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| author | tknall <tknall@7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c> | 2013-01-09 15:41:29 +0000 |
|---|---|---|
| committer | tknall <tknall@7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c> | 2013-01-09 15:41:29 +0000 |
| commit | 535a04fa05f739ec16dd81666e3b0f82dfbd442d (patch) | |
| tree | 0804f301c1a9ceb303a8441b7b29244fc8eb7ff0 /src/main/java/at/knowcenter/wag/egov/egiz/pdf | |
| parent | 1efaf6fd5619dfa95c9d7e8c71eda4c2ffba4998 (diff) | |
| download | pdf-as-3-535a04fa05f739ec16dd81666e3b0f82dfbd442d.tar.gz pdf-as-3-535a04fa05f739ec16dd81666e3b0f82dfbd442d.tar.bz2 pdf-as-3-535a04fa05f739ec16dd81666e3b0f82dfbd442d.zip | |
pdf-as-lib maven project files moved to pdf-as-lib
git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/pdf-as/trunk@926 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c
Diffstat (limited to 'src/main/java/at/knowcenter/wag/egov/egiz/pdf')
27 files changed, 0 insertions, 8659 deletions
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/AbsoluteTextSignature.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/AbsoluteTextSignature.java deleted file mode 100644 index fd59d34..0000000 --- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/AbsoluteTextSignature.java +++ /dev/null @@ -1,956 +0,0 @@ -/**
- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
- * joint initiative of the Federal Chancellery Austria and Graz University of
- * Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- *
- * $Id: AbsoluteTextSignature.java,v 1.1 2006/10/31 08:08:33 wprinz Exp $
- */
-package at.knowcenter.wag.egov.egiz.pdf;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Vector;
-
-import org.apache.log4j.Logger;
-
-import at.knowcenter.wag.egov.egiz.PdfAS;
-import at.knowcenter.wag.egov.egiz.cfg.ConfigLogger;
-import at.knowcenter.wag.egov.egiz.exceptions.SignatureException;
-import at.knowcenter.wag.egov.egiz.exceptions.SignatureTypesException;
-import at.knowcenter.wag.egov.egiz.framework.FoundBlock;
-import at.knowcenter.wag.egov.egiz.framework.FoundKey;
-import at.knowcenter.wag.egov.egiz.sig.SignatureObject;
-import at.knowcenter.wag.egov.egiz.sig.SignatureTypeDefinition;
-import at.knowcenter.wag.egov.egiz.sig.SignatureTypes;
-
-/**
- * Contains methods and helpers that implement the absolute text signature.
- *
- * @author wprinz
- */
-public class AbsoluteTextSignature
-{
-
- /**
- * The logger definition.
- */
- private static final Logger logger = ConfigLogger.getLogger(AbsoluteTextSignature.class);
-
- /**
- * Returns a List of SignatureTypeDefinitions that can be extracted from text.
- *
- * <p>
- * These SignatureTypeDefinitions are all text extractable, which means that they define all required fields as visible.
- * </p>
- * <p>
- * This method filters out all SignatureTypeDefinitions that are not text extractable.
- * </p>
- *
- * @return Returns a List of SignatureTypeDefinitions that can be extracted from text.
- * @throws SignatureTypesException F.e.
- */
- public static List getSignatureTypesForTextAnalysis() throws SignatureTypesException
- {
- SignatureTypes sig_types = SignatureTypes.getInstance();
- List allSignatureTypes = sig_types.getSignatureTypeDefinitions();
-
- List textSignatureTypes = new ArrayList(allSignatureTypes.size());
- Iterator it = allSignatureTypes.iterator();
- while (it.hasNext())
- {
- SignatureTypeDefinition std = (SignatureTypeDefinition) it.next();
- if (!std.isTextExtractable())
- {
- logger.debug("The profile " + std.getType() + " is not text extractable and is thereby not used for text analysis.");
- continue;
- }
- textSignatureTypes.add(std);
- }
-
- return textSignatureTypes;
- }
-
- /**
- * Extracts all signature holders from a given text.
- *
- * <p>
- * First the latest signature holder is extracted. Then the latest signature
- * holder in the rest text, which is the second latest one, is extracted. Then
- * the third latest signature holder is extracted and so forth until no more
- * signature holders are found.
- * </p>
- *
- * @param text
- * The text.
- * @return Returns the List of extracted signature holders ordered by their
- * date ascendingly (the lowest, earliest date first, the latest,
- * newest date last). An empty list is returned if no signature
- * holders were found.
- * @throws SignatureException
- * F.e.
- * @throws SignatureTypesException
- * F.e.
- */
- public static List extractSignatureHoldersFromText(String text) throws SignatureException, SignatureTypesException
- {
- List holders = new ArrayList();
- String current_text = text;
- for (;;)
- {
- TextualSignatureHolder signature_holder = extractLatestBlock(current_text);
- if (signature_holder == null)
- {
- break;
- }
- holders.add(0, signature_holder);
- current_text = signature_holder.getSignedText();
- }
- return holders;
- }
-
- /**
- * Extracts the latest signature block from the given text and creates a
- * SignatureHolder object that can be verified.
- *
- * @param text
- * The text.
- * @return Returns the SignatureObject extracted from the text, or null, if no
- * latest block was found.
- * @throws SignatureException
- * F.e.
- * @throws SignatureTypesException
- * F.e.
- */
- public static TextualSignatureHolder extractLatestBlock(String text) throws SignatureException, SignatureTypesException
- {
- FoundBlock latest_block = findLatestBlock(text);
- if (latest_block == null)
- {
- return null;
- }
- String reconstructed_text = cutOutBlock(text, latest_block);
- SignatureObject so = createSignatureObjectFromFoundBlock(text, latest_block);
- TextualSignatureHolder tsh = new TextualSignatureHolder(reconstructed_text, so);
- return tsh;
- }
-
- /**
- * Finds the latest signature block for a given text.
- *
- * <p>
- * The latest block is the one with the highest, most recent date. Usually
- * this block will be extracted (cut out) of the text which will result in the
- * originally signed text of this signature to be verified using the cut out
- * data.
- * </p>
- *
- * @param text
- * The text to be analyzed.
- * @return Returns the latest found block or null, if there was none.
- * @throws SignatureException
- * F.e.
- * @throws SignatureTypesException
- * F.e.
- */
- public static FoundBlock findLatestBlock(String text) throws SignatureException, SignatureTypesException
- {
- List signatureTypes_ = getSignatureTypesForTextAnalysis();
-
- List found_potential_candidates = new ArrayList();
-
- for (int i = 0; i < signatureTypes_.size(); i++)
- {
- SignatureTypeDefinition block_type = (SignatureTypeDefinition) signatureTypes_.get(i);
- List found_candidates_for_type = findPotentialSignaturesForProfile(text, block_type);
-
- found_potential_candidates.addAll(found_candidates_for_type);
- }
-
- if (found_potential_candidates.isEmpty())
- {
- logger.debug("no candidates found at all");
- return null;
- }
-
- List found_candidates = new ArrayList();
- logger.debug("checking block integrity");
- for (int i = 0; i < found_potential_candidates.size(); i++)
- {
- FoundBlock found_block = (FoundBlock) found_potential_candidates.get(i);
- String date_value = getDateValue(text, found_block);
- try
- {
- EGIZDate date = EGIZDate.parseFromString(date_value);
-
- logger.debug("found_block = " + date + " - " + found_block);
-
- checkBlockIntegrity(text, found_block);
- found_candidates.add(found_block);
- }
- catch (Exception e)
- {
- logger.debug("Exception while checking the integrity of the found block " + found_block + ". Ignoring this block.", e);
- }
- }
-
- sortFoundBlocksByDate(text, found_candidates);
- if (logger.isDebugEnabled())
- {
- logger.debug("sorted blocks:");
- for (int i = 0; i < found_candidates.size(); i++)
- {
- FoundBlock found_block = (FoundBlock) found_candidates.get(i);
-
- String date_value = getDateValue(text, found_block);
- EGIZDate date = EGIZDate.parseFromString(date_value);
-
- logger.debug(" #" + i + ": " + date + " - " + found_block);
- }
- }
-
- List latest_blocks = filterLastDateEqualBlocks(text, found_candidates);
- if (logger.isDebugEnabled())
- {
- logger.debug("latest blocks:");
- for (int i = 0; i < latest_blocks.size(); i++)
- {
- FoundBlock found_block = (FoundBlock) latest_blocks.get(i);
-
- String date_value = getDateValue(text, found_block);
- EGIZDate date = EGIZDate.parseFromString(date_value);
-
- logger.debug(" #" + i + ": " + date + " - " + found_block);
- }
- }
-
- // The semantic equality check has been outdated by the
- // advanced choosing algorithm.
- // boolean semantic_equality =
- // PdfAS.checkForSemanticEquality(latest_blocks);
- // logger.debug("semantic_equality = " + semantic_equality);
- // if (!semantic_equality)
- // {
- // throw new SignatureException(314, "The latest blocks weren't semantically
- // equal.");
- // }
-
- FoundBlock latest_block = chooseMostPossibleBlock(latest_blocks);
-
- logger.debug("latest block = " + latest_block);
- return latest_block;
- }
-
- /**
- * Finds the List of potential blocks within the given text for the given
- * profile.
- *
- * @param text
- * The text, in which potential block are to be sought.
- * @param block_type
- * The profile for which the text is to be sought.
- * @return Returns the List of potential FoundBlocks or an empty List if none
- * could be found.
- */
- public static List findPotentialSignaturesForProfile(String text,
- SignatureTypeDefinition block_type)
- {
- logger.debug("find potential signatures for " + block_type.getType());
- List found_blocks = new ArrayList();
-
- final boolean old_style = false;
-
- Vector keys = block_type.getRevertSortedKeys();
- Vector captions = block_type.getRevertSortedCaptions();
-
- String last_key = (String) keys.get(0);
- logger.debug("last_key = " + last_key);
- String last_caption = (String) captions.get(0);
- logger.debug("last_caption = " + last_caption);
- String current_last_caption= last_caption;
- List found_last_captions = findIndicesWithStartingNL(text, last_caption);
- if (last_key.equals(SignatureTypes.SIG_ID))
- {
- logger.debug("Last key is SIG_ID, so it may not be present. Searching for the previous to last key.");
- String prevlast_key = (String) keys.get(1);
- String prevlast_caption = (String) captions.get(1);
- current_last_caption = prevlast_caption;
- List found_prevlast_captions = findIndicesWithStartingNL(text, prevlast_caption);
- if (!found_prevlast_captions.isEmpty())
- {
- found_last_captions.addAll(found_prevlast_captions);
- }
- }
- if (logger.isDebugEnabled())
- {
- logger.debug("found " + found_last_captions.size() + " last captions.");
- for (int i = 0; i < found_last_captions.size(); i++)
- {
- logger.debug(" found last caption at index " + found_last_captions.get(i));
- }
- }
-
- for (int lci = 0; lci < found_last_captions.size(); lci++)
- {
- int last_caption_index = ((Integer) found_last_captions.get(lci)).intValue();
- logger.debug("resolving signature block from last caption index " + last_caption_index);
- int potential_block_end = findEndOfValue(text, last_caption_index);
- if (potential_block_end == (last_caption_index + current_last_caption.length()+1))
- {
- potential_block_end = findEndOfValue(text, potential_block_end);
- }
-
- // FIXME: complete HOTFIX
- /*
- int extendedValueEnd = potential_block_end;
- String cv;
- do {
- extendedValueEnd = findEndOfValue(text, extendedValueEnd);
- cv = text.substring(last_caption_index + current_last_caption.length()+1, extendedValueEnd);
- } while (extendedValueEnd < text.length());
- */
-
- logger.debug("potential_block_end = " + potential_block_end);
- List found_keys = PdfAS.findBlockInText(text.substring(0, potential_block_end), block_type, old_style); // findRestKeys(text,
- // keys,
- // captions,
- // last_caption_index);
-
- if (found_keys == null)
- {
- logger.debug("Not all other captions could be found for the last_caption_index " + last_caption_index + " ==> discarding this index.");
-
- continue;
- }
-
- // sort found keys ascendingly
- PdfAS.sortFoundKeysAscendingly(found_keys);
-
- boolean reverse_check_ok = reverseCheckFoundKeys(text, found_keys);
- if (!reverse_check_ok)
- {
- logger.debug("The reverse check ruled this list of found keys out ==> they are discarded.");
-
- continue;
- }
-
- logger.debug("The reverse check proved this list of found keys out ==> adding them as potential candidates.");
-
- FoundBlock found_block = new FoundBlock();
- found_block.std = block_type;
- found_block.found_keys = found_keys;
- found_block.end_index = potential_block_end;//findEndOfValue(text, last_caption_index);
- found_blocks.add(found_block);
- }
-
- logger.debug("found " + found_blocks.size() + " potential signatures for " + block_type.getType());
- return found_blocks;
- }
-
- /**
- * Finds all indices of the given subtext (starting at a new line) within a
- * given text.
- *
- * <p>
- * This is usually used to find the indices of the last captions.
- * </p>
- *
- * @param text
- * The text to be searched.
- * @param subtext
- * The subtext to be sought.
- * @return Returns the List of found indices.
- */
- public static List findIndicesWithStartingNL(String text, String subtext)
- {
- List found_indices = new ArrayList();
-
- // // for some reason "^" + subtext doesn't work as a pattern
- // String pattern = "\n" + subtext;
- // Pattern p = Pattern.compile(pattern);
- // Matcher m = p.matcher(text);
- //
- // while (m.find())
- // {
- // int found_index = m.start() + 1; // +1 removes the newline
- // found_indices.add(new Integer(found_index));
- // }
-
- int search_from_index = 0;
- for (;;)
- {
- int found_index = text.indexOf("\n" + subtext, search_from_index);
- if (found_index < 0)
- {
- break;
- }
- found_index += 1; // The +1 compensates the "\n"
- found_indices.add(new Integer(found_index));
- search_from_index = found_index + subtext.length();
- }
- return found_indices;
- }
-
- /**
- * Finds the other keys/captions according to their order starting from the
- * last_caption index upwards.
- *
- * @param text
- * The text.
- * @param keys
- * The list of keys.
- * @param captions
- * The list of captions.
- * @param last_caption_index
- * The index of the last caption.
- * @return Returns the List of found keys, if all keys could be found, or null
- * if not all keys could be found.
- */
- public static List findRestKeys(String text, List keys, List captions,
- int last_caption_index)
- {
- List found_keys = new ArrayList();
-
- FoundKey last_caption_found_key = new FoundKey((String) keys.get(0), (String) captions.get(0), last_caption_index);
- found_keys.add(last_caption_found_key);
-
- String rest_text = text.substring(0, last_caption_index);
-
- for (int i = 1; i < captions.size(); i++)
- {
- String sought_caption = (String) captions.get(i);
- int index = rest_text.lastIndexOf(sought_caption);
-
- if (index < 0)
- {
- return null;
- }
- FoundKey found_key = new FoundKey((String) keys.get(i), (String) captions.get(i), index);
- found_keys.add(0, found_key);
-
- rest_text = rest_text.substring(0, index);
- }
-
- return found_keys;
- }
-
- /**
- * Performs a reverse (top to bottom) search for the found keys and checks
- * that these indices are the same as those that were found during the regular
- * (bottom up) search.
- * <p>
- * If a reverse check proves that the found keys are not at the same positions
- * as during regular search, this list of found keys should be discarded.
- * </p>
- *
- * @param text
- * The text.
- * @param found_keys
- * The found keys to be reversely checked.
- * @return Returns true, if all (also the non required) captions could be
- * found at the same indices as during regular search, false
- * otherwise.
- */
- public static boolean reverseCheckFoundKeys(String text, List found_keys)
- {
- int search_from_index = ((FoundKey) found_keys.get(0)).start_index;
- for (int i = 0; i < found_keys.size(); i++)
- {
- FoundKey found_key = (FoundKey) found_keys.get(i);
-
- int reverse_found_index = text.indexOf(found_key.caption, search_from_index);
-
- // dferbas fix #331 ??
-
- if (reverse_found_index < 0)
- {
- throw new RuntimeException("The caption " + found_key.caption + " wasn't found in the text during reverse checking - there is something wrong.");
- }
-
- if (reverse_found_index != found_key.start_index)
- {
- logger.debug("The index for caption " + found_key.caption + " wasn't proved during reverse checking.");
- return false;
- }
- search_from_index = found_key.start_index + found_key.caption.length();
- }
- return true;
- }
-
- /**
- * Finds the end of the value in the text.
- *
- * <p>
- * This simply scans for a '\n' from a given start index. The line up to and
- * inclusive the '\n' is considered to be the value.
- * </p>
- * <p>
- * Note that this method does NOT find the accurate value, if the value goes
- * over multiple lines! This may bear a serious problem. Usually this method
- * is only used to finding the end of the last value in a found block, because
- * mid- values are exactly determined by their start index and the start of
- * the next caption. Nevertheless, if the last value spans over multiple
- * lines, this method will not retrieve it completely.
- * </p>
- *
- * @param text
- * The text.
- * @param start_index
- * The start index from where the end of the value is sought.
- * @return Returns the end index of the value, which is the index of the first
- * character not belonging to the value anymore (the character after
- * the '\n').
- */
- public static int findEndOfValue(String text, int start_index)
- {
- int newline_index = text.indexOf('\n', start_index);
- if (newline_index < 0)
- {
- return text.length();
- }
- return newline_index + 1;
- }
-
- /**
- * Checks the integrity of a found block.
- *
- * <p>
- * This is an assertive function.
- * </p>
- *
- * @param text
- * The text.
- * @param found_block
- * The found block.
- */
- public static void checkBlockIntegrity(String text, FoundBlock found_block)
- {
- for (int i = 0; i < found_block.found_keys.size() - 1; i++)
- {
- FoundKey this_key = (FoundKey) found_block.found_keys.get(i);
- FoundKey next_key = (FoundKey) found_block.found_keys.get(i + 1);
-
- int this_end_index = findEndOfValue(text, this_key.start_index);
- if (this_end_index != next_key.start_index)
- {
- logger.debug("multi line value: " + this_key);
- // throw new RuntimeException("The end index of found key " + this_key +
- // " doesn't match the start index of found key " + next_key);
- }
- }
-
- FoundKey last_key = (FoundKey) found_block.found_keys.get(found_block.found_keys.size() - 1);
- int end_of_block = findEndOfValue(text, last_key.start_index);
- if (end_of_block == (last_key.start_index+last_key.caption.length()+1))
- {
- end_of_block = findEndOfValue(text,end_of_block);
- }
- if (end_of_block != found_block.end_index)
- {
- throw new RuntimeException("The end index of last key " + last_key + " doesn't match the end index of the block " + found_block);
- }
- }
-
- /**
- * Cuts out the given found block from the text.
- *
- * @param text
- * The text.
- * @param block
- * The found block.
- * @return Returns the rest text without the block.
- */
- public static String cutOutBlock(String text, FoundBlock block)
- {
- int block_start_index = ((FoundKey) block.found_keys.get(0)).getStartIndex();
- int block_end_index = block.end_index;
-
- if (block_start_index == 0 && block_end_index == text.length())
- {
- // the block is the whole text - the rest text is empty.
- // This may happen if a (no-text) empty document contains a binary signature.
- // Then the "signed text" of the binary signature is empty.
- return "";
- }
-
- if (block_end_index == text.length())
- {
- // if the block is at the end of the text, remove the "\n" before the
- // block as well.
- String pre = text.substring(0, block_start_index - 1);
- return pre;
- }
-
- String pre = text.substring(0, block_start_index);
- String post = text.substring(block_end_index);
-
- String rest_text = pre + post;
- return rest_text;
- }
-
- /**
- * Returns the value of the date field as String.
- *
- * @param text
- * The text.
- * @param block
- * The found block.
- * @return Returns the date value.
- */
- public static String getDateValue(String text, FoundBlock block)
- {
- FoundKey date_key = block.getDateFoundKey();
- int date_value_start_index = date_key.start_index + date_key.caption.length();
- int date_value_end_index = findEndOfValue(text, date_value_start_index);
- if (date_value_end_index == (date_value_start_index+1))
- {
- date_value_end_index = findEndOfValue(text, date_value_end_index);
- }
- String date_value = text.substring(date_value_start_index, date_value_end_index).trim();
- logger.debug("DateString="+date_value);
- return date_value;
- }
-
- /**
- * Creates a SignatureObject from a found block by extracting the
- * corresponding values.
- *
- * @param text
- * The text.
- * @param found_block
- * The found block.
- * @return Returns the created SignatureObject.
- * @throws SignatureTypesException
- * F.e.
- * @throws SignatureException
- * F.e.
- */
- public static SignatureObject createSignatureObjectFromFoundBlock(
- String text, FoundBlock found_block) throws SignatureTypesException, SignatureException
- {
- SignatureObject signatureObject = new SignatureObject();
-
- signatureObject.setSigType(found_block.std.getType());
- signatureObject.initByType();
-
- int end_index = found_block.end_index;
- for (int i = found_block.found_keys.size() - 1; i >= 0; i--)
- {
- FoundKey cur_key = (FoundKey) found_block.found_keys.get(i);
- int start_index = cur_key.getStartIndex() + cur_key.caption.length();
-
- String value = text.substring(start_index, end_index);
-
- signatureObject.setSigValueCaption(cur_key.getKey(), value, cur_key.caption);
-
- end_index = cur_key.getStartIndex();
- }
-
- return signatureObject;
-
- }
-
- /**
- * Parses the EGIZDate from a found block and the given text.
- *
- * @param text
- * The text.
- * @param found_block
- * The found block.
- * @return Returns the parsed EGIZDate.
- */
- public static EGIZDate getDateFromFoundBlock(String text,
- FoundBlock found_block)
- {
- String date_value = getDateValue(text, found_block);
- EGIZDate date = EGIZDate.parseFromString(date_value);
- return date;
- }
-
- /**
- * Sorts the List of found blocks by date.
- *
- * @param text
- * The text.
- * @param found_blocks
- * The List of found blocks.
- */
- public static void sortFoundBlocksByDate(final String text, List found_blocks)
- {
- Collections.sort(found_blocks, new Comparator()
- {
- public int compare(Object arg0, Object arg1)
- {
- FoundBlock fb0 = (FoundBlock) arg0;
- FoundBlock fb1 = (FoundBlock) arg1;
-
- EGIZDate date0 = getDateFromFoundBlock(text, fb0);
- EGIZDate date1 = getDateFromFoundBlock(text, fb1);
- return date0.compareTo(date1);
- }
- });
- }
-
- /**
- * Given a List of FoundBlock objects, this method returns the last blocks of
- * this list that have the same date.
- *
- * <p>
- * Usually a date sorted list (earliest first, latest last) will be provided
- * to this method. Then the last date equal blocks are returned, which are the
- * last blocks.
- * </p>
- *
- * @param text
- * The text to retrieve the values of the fields from.
- * @param found_blocks
- * The List of FoundBlock objects.
- * @return Returns the List of the last date equal blocks.
- */
- public static List filterLastDateEqualBlocks(String text, List found_blocks)
- {
- List latest_blocks = new ArrayList();
- latest_blocks.add(found_blocks.get(found_blocks.size() - 1));
- for (int i = found_blocks.size() - 2; i >= 0; i--)
- {
- FoundBlock this_block = (FoundBlock) found_blocks.get(i);
- FoundBlock succ_block = (FoundBlock) found_blocks.get(i + 1);
-
- EGIZDate this_date = getDateFromFoundBlock(text, this_block);
- EGIZDate succ_date = getDateFromFoundBlock(text, succ_block);
-
- if (!this_date.equals(succ_date))
- {
- break;
- }
- latest_blocks.add(0, this_block);
- }
-
- return latest_blocks;
- }
- /**
- * Chooses the most possible (best choice) block of the list of blocks.
- *
- * <p>
- * The strategy to find the most possible block is to choose the very one
- * block with the maximum number of captions. This block has extracted most
- * information from the text.
- * </p>
- * <p>
- * If there are still multiple blocks with the same number of cations, the
- * blocks are compared caption-wise. The block with all captions being longer
- * or equal to all other blocks' captions wins.
- * </p>
- *
- * @param found_blocks
- * The List of semantically equal blocks.
- * @return Returns the best choice FoundBlock.
- * @throws SignatureException
- */
- public static FoundBlock chooseMostPossibleBlock(List found_blocks) throws SignatureException
- {
- // int largest_block_index = 0;
- // FoundBlock largest_block = (FoundBlock) found_blocks.get(0);
- //
- // for (int i = 1; i < found_blocks.size(); i++)
- // {
- // FoundBlock current_block = (FoundBlock) found_blocks.get(i);
- //
- // if (current_block.found_keys.size() > largest_block.found_keys.size())
- // {
- // largest_block = current_block;
- // largest_block_index = i;
- // }
- // }
-
- List vertically_largest = filterVerticallyLargestBlocks(found_blocks);
- if (logger.isDebugEnabled())
- {
- logger.debug("vertically largest blocks:");
- for (int i = 0; i < vertically_largest.size(); i++)
- {
- FoundBlock found_block = (FoundBlock) vertically_largest.get(i);
- logger.debug(" #" + i + ": " + found_block);
- }
- }
-
- List horizontally_largest = filterHorizontallyLargestBlocks(vertically_largest);
- if (logger.isDebugEnabled())
- {
- logger.debug("horizontally largest blocks:");
- for (int i = 0; i < horizontally_largest.size(); i++)
- {
- FoundBlock found_block = (FoundBlock) horizontally_largest.get(i);
- logger.debug(" #" + i + ": " + found_block);
- }
- }
- FoundBlock largest_block = (FoundBlock) horizontally_largest.get(0);
- logger.debug("Chose largest block: " + largest_block);
- return largest_block;
- }
-
- /**
- * Filters out all blocks but the vertically largest ones.
- *
- * <p>
- * A vertically largest block has the most found keys.
- * </p>
- *
- * @param found_blocks
- * The List of FoundBlock objects to be filtered.
- * @return Returns the List of the vertically largest FoundBlock objects.
- */
- public static List filterVerticallyLargestBlocks(List found_blocks)
- {
- // determine the size of the largest block(s)
- int largest_size = Integer.MIN_VALUE;
- for (int i = 0; i < found_blocks.size(); i++)
- {
- FoundBlock fb = (FoundBlock) found_blocks.get(i);
- final int current_size = fb.found_keys.size();
- if (current_size > largest_size)
- {
- largest_size = current_size;
- }
- }
-
- // keep all blocks that have the largest_size
- List largest_blocks = new ArrayList();
- for (int i = 0; i < found_blocks.size(); i++)
- {
- FoundBlock fb = (FoundBlock) found_blocks.get(i);
- if (fb.found_keys.size() < largest_size)
- {
- continue;
- }
- largest_blocks.add(fb);
- }
- return largest_blocks;
- }
-
- /**
- * Filters out all blocks but the horizonally largest ones.
- *
- * <p>
- * A vertically largest block has the most found keys.
- * </p>
- *
- * @param found_blocks
- * The List of FoundBlock objects to be filtered. All of these
- * FoundBlock objects must have the same number of found keys.
- * @return Returns the List of the horizontally largest FoundBlock objects.
- * @throws SignatureException
- */
- public static List filterHorizontallyLargestBlocks(List found_blocks) throws SignatureException
- {
- List horizontally_largest = new ArrayList();
- FoundBlock largest_block = (FoundBlock) found_blocks.get(0);
- horizontally_largest.add(largest_block);
-
- for (int i = 1; i < found_blocks.size(); i++)
- {
- FoundBlock fb = (FoundBlock) found_blocks.get(i);
-
- if (isHorizontallyEqual(fb, largest_block))
- {
- horizontally_largest.add(fb);
- continue;
- }
-
- if (isHorizontallyLarger(fb, largest_block))
- {
- horizontally_largest = new ArrayList();
- largest_block = fb;
- horizontally_largest.add(largest_block);
- }
- else
- {
- if (!isHorizontallyLarger(largest_block, fb))
- {
- // The block is neither equal nor larger nor lower.
- // We cannot exactly determine which one to use.
- throw new SignatureException(315, "The blocks are neither larger nor lower nor equal. Cannot decide which one to pick. fb = " + fb + ", largest_block = " + largest_block);
- }
- }
-
- }
-
- return horizontally_largest;
- }
-
- protected static boolean isHorizontallyEqual(FoundBlock fb0, FoundBlock fb1)
- {
- final int num_keys = fb0.found_keys.size();
- if (num_keys != fb1.found_keys.size())
- {
- throw new IllegalArgumentException("Cannot compare FoundBlock keys: fb0 doesn't have the same number of keys as fb1. " + fb0.found_keys.size() + " vs. " + fb1.found_keys.size());
- }
-
- for (int i = 0; i < num_keys; i++)
- {
- FoundKey fk0 = (FoundKey) fb0.found_keys.get(i);
- FoundKey fk1 = (FoundKey) fb1.found_keys.get(i);
-
- if (fk0.caption.length() != fk1.caption.length())
- {
- return false;
- }
- }
-
- return true;
- }
-
- protected static boolean isHorizontallyLarger(FoundBlock fb0, FoundBlock fb1)
- {
- final int num_keys = fb0.found_keys.size();
- if (num_keys != fb1.found_keys.size())
- {
- throw new IllegalArgumentException("Cannot compare FoundBlock keys: fb0 doesn't have the same number of keys as fb1. " + fb0.found_keys.size() + " vs. " + fb1.found_keys.size());
- }
-
- boolean larger = false;
-
- for (int i = 0; i < num_keys; i++)
- {
- FoundKey fk0 = (FoundKey) fb0.found_keys.get(i);
- FoundKey fk1 = (FoundKey) fb1.found_keys.get(i);
-
- if (fk0.caption.length() == fk1.caption.length())
- {
- continue;
- }
-
- if (fk0.caption.length() > fk1.caption.length())
- {
- larger = true;
- continue;
- }
-
- // if (fk0.caption.length() < fk1.caption.length())
- return false;
- }
-
- return larger;
- }
-
-}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/ActualTablePos.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/ActualTablePos.java deleted file mode 100644 index 6c0e56c..0000000 --- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/ActualTablePos.java +++ /dev/null @@ -1,42 +0,0 @@ -/**
- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
- * joint initiative of the Federal Chancellery Austria and Graz University of
- * Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- */
-package at.knowcenter.wag.egov.egiz.pdf;
-
-/**
- * The actual table position where the signature was placed after signation.
- * @author wprinz
- */
-public class ActualTablePos
-{
- public int page;
-
- public float x;
-
- public float y;
-
- public float width;
-
- public float height;
-
-}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/AdobeSignatureHelper.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/AdobeSignatureHelper.java deleted file mode 100644 index e337e71..0000000 --- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/AdobeSignatureHelper.java +++ /dev/null @@ -1,272 +0,0 @@ -/**
- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
- * joint initiative of the Federal Chancellery Austria and Graz University of
- * Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- */
-package at.knowcenter.wag.egov.egiz.pdf;
-
-import java.util.HashMap;
-import java.util.Iterator;
-
-import org.apache.commons.lang.StringUtils;
-import org.apache.log4j.Logger;
-
-import at.gv.egiz.pdfas.exceptions.ErrorCode;
-import at.gv.egiz.pdfas.framework.signator.SignatorInformation;
-import at.gv.egiz.pdfas.utils.OgnlUtil;
-import at.knowcenter.wag.egov.egiz.cfg.SettingsReader;
-import at.knowcenter.wag.egov.egiz.exceptions.PresentableException;
-import at.knowcenter.wag.egov.egiz.exceptions.SettingsException;
-import at.knowcenter.wag.egov.egiz.sig.SignatureObject;
-
-import com.lowagie.text.Rectangle;
-import com.lowagie.text.pdf.AcroFields;
-import com.lowagie.text.pdf.PdfDictionary;
-import com.lowagie.text.pdf.PdfFormField;
-import com.lowagie.text.pdf.PdfName;
-import com.lowagie.text.pdf.PdfNumber;
-import com.lowagie.text.pdf.PdfObject;
-import com.lowagie.text.pdf.PdfSignature;
-import com.lowagie.text.pdf.PdfSignatureAppearance;
-import com.lowagie.text.pdf.PdfStamper;
-import com.lowagie.text.pdf.PdfString;
-
-/**
- * Helper class for creating adobe signature attributes.
- *
- * @author dferbas
- *
- */
-public class AdobeSignatureHelper {
- private static final String ADOBE_SIGN_FIELDNAME_KEY = "adobeSignFieldValue";
-
- private static final String ADOBE_SIGN_REASONNAME_KEY = "adobeSignReasonValue";
-
- private static final String ADOBE_SIG_ENABLED_KEY = "adobeSignEnabled";
-
- private static Logger logger = Logger.getLogger(AdobeSignatureHelper.class);
-
- public static final String ADOBE_SIG_FILTER = "Adobe.PDF-AS";
-
- public static final String ADOBE_SIG_TEXT_KEY = "adobeSignText";
-
- private static final String ADOBE_VERIFY_URL_KEY = "verifyURL";
-
- /**
- * Writes Adobe-pdf signature entry with itext
- *
- * @param stamper
- * @param si
- * @param so
- * @param atp
- * @throws PresentableException
- */
- public static void createAdobeSignatureField(PdfStamper stamper, SignatorInformation si,
- SignatureObject so, ActualTablePos atp, StructContentHelper structHelper) throws PresentableException {
-
- try {
- logger.debug("Creating adobe signature field.");
- PdfSignatureAppearance sap = stamper.getSignatureAppearance();
-
- String profileId = so.getSignatureTypeDefinition().getType();
- String fieldName = getAdobeFieldName(profileId);
- // find field num
- /*
- int nexSigNum = 1;
- String finalFieldName = fieldName + " #" + nexSigNum;
-
- while (stamper.getAcroFields().getField(finalFieldName) != null) {
- nexSigNum++;
- finalFieldName = fieldName + " #" + nexSigNum;
- }
- */
-
- AcroFields af = stamper.getAcroFields();
- Iterator signatureNamesIt = af.getSignatureNames().iterator();
- PdfName referenceFilterName = new PdfName(ADOBE_SIG_FILTER);
- int nextSigNum = 1;
- while (signatureNamesIt.hasNext()) {
- PdfDictionary dictionary = (PdfDictionary) af.getSignatureDictionary((String) signatureNamesIt.next());
- PdfObject filterName = dictionary.get(PdfName.FILTER);
- if (filterName != null && filterName.isName()) {
- PdfName name = (PdfName) filterName;
- if (referenceFilterName.equals(name)) {
- nextSigNum++;
- }
- }
- }
- String finalFieldName = fieldName + " #" + nextSigNum;
-
- sap.setCrypto(null, null, null, null);
- // supress overlay text for visible signatures
- sap.setLayer2Text("");
- sap.setLayer4Text("");
-
- // the following line marks the sig block as adobe sig
- // sap.setVisibleSignature(createRectangleFromTablePos(iui.actualTablePos),
- // iui.actualTablePos.page, "PDF-AS-Signatur");
- sap.setVisibleSignature(new Rectangle(0, 0, 0, 0), atp.page, finalFieldName);
- String subfilter = "unknown";
- if (so != null && so.getKZ() != null) {
- subfilter = so.getKZ().toString();
- } else if (si != null) {
- subfilter = si.getSignSignatureObject().kz;
- }
- PdfSignature sig = new PdfSignature(new PdfName(ADOBE_SIG_FILTER), new PdfName(subfilter));
- // the following fields are not shown by the reader, because its is no
- // Standard filter
- // sig.setLocation("location is not visible");
- // sig.setReason("reason is not visible");
-
- // contact field is used to embed signature verification url for adobe handler
- String verifyURL = getVerifyUrl(profileId);
- if (!StringUtils.isEmpty(verifyURL)) {
- sig.setContact(getVerifyUrl(profileId));
- } else {
- logger.debug("No verify URL set -> verify URL is not embedded.");
- }
- // sig.setDate(new PdfDate());
-
- String reason = getAdobeReasonName(profileId);
- if (!StringUtils.isEmpty(reason)) {
- sig.setReason(reason);
- }
-
-
- /* disabled in order to align adobe signature appearance for textual signatures with binary signatures
- if (si != null) {
- XMLGregorianCalendar c = DatatypeFactory.newInstance().newXMLGregorianCalendar(
- si.getSignSignatureObject().date);
- sig.setDate(new PdfDate(c.toGregorianCalendar()));
- }
- */
-
- sig.setName(getAdobeSignText(profileId, si));
- sap.setCryptoDictionary(sig);
- sap.setCertificationLevel(PdfSignatureAppearance.NOT_CERTIFIED);
-
- // content element is mandatory but empty
- HashMap exc = new HashMap();
- exc.put(PdfName.CONTENTS, new Integer(2));
-
- PdfNumber parentNum = structHelper.buildAdobeSigStructParent();
- if (parentNum != null) {
- PdfFormField sigField = PdfFormField.createSignature(stamper.getWriter());
- sap.setSigFormField(sigField);
- sigField.put(PdfName.STRUCTPARENT, parentNum);
- structHelper.buildAdobeSigStruct(sigField, finalFieldName);
- }
- sap.preClose(exc); // *2+2
-
- PdfDictionary dic = new PdfDictionary();
- dic.put(PdfName.CONTENTS, new PdfString((String) null).setHexWriting(true));
- sap.close(dic);
- } catch (Exception ex) {
- logger.error("error", ex);
- throw new PresentableException(ErrorCode.CANNOT_WRITE_PDF,
- "Error creating adobe signature attribute", ex);
- }
- }
-
-
- /**
- * Returns if adobe signature is enabled for the passed signature profile.
- * Config key: {@value #ADOBE_SIG_ENABLED_KEY}
- * @param sigProfile
- * @return
- */
- public static boolean isAdobeSignatureFieldEnabled(String sigProfile) {
- return "true".equalsIgnoreCase(
- getDefaultableConfigProperty(sigProfile, ADOBE_SIG_ENABLED_KEY, "false"));
- }
-
- protected static Rectangle createRectangleFromTablePos(ActualTablePos pos) {
- return new Rectangle(pos.x, pos.y, pos.x + pos.width, pos.y - pos.height);
- }
-
- private static String getAdobeFieldName(String sigProfile) {
- return getDefaultableConfigProperty(sigProfile, ADOBE_SIGN_FIELDNAME_KEY, "PDF-AS Signatur");
- }
-
- private static String getAdobeReasonName(String sigProfile) {
- return getDefaultableConfigProperty(sigProfile, ADOBE_SIGN_REASONNAME_KEY, "Informationen zur Prüfung finden Sie unter http://www.signaturpruefung.gv.at");
- }
-
- private static String getVerifyUrl(String sigProfile) {
- return getDefaultableConfigProperty(sigProfile, ADOBE_VERIFY_URL_KEY, "http://www.signaturpruefung.gv.at");
- }
-
- public static String getDefaultableConfigProperty(String sigProfile, String propName, String defaultValue) {
- String confVal;
- try {
- confVal = SettingsReader.getInstance().getSetting(
- "sig_obj." + sigProfile + "." + propName,
- "default." + propName,
- defaultValue);
- } catch (SettingsException e) {
- logger.warn("error reading " + propName + " from config. Using default: " + defaultValue, e);
- return defaultValue;
- }
- return confVal;
- }
-
- /**
- * Evaluate name for adobe signature field. Get from config. Evaluate ognl if
- * ok.
- *
- * @param sigProfile
- * @param si
- * @return
- */
- private static String getAdobeSignText(String sigProfile, SignatorInformation si) {
- String defaultName = "PDF-AS";
- try {
- logger.debug("reading adobe sig name for profile: " + sigProfile);
- String propKey = ADOBE_SIG_TEXT_KEY + ".textual";
- if (si == null) {
- propKey = propKey.replaceAll("textual", "binary");
- }
- String adobeStr = getDefaultableConfigProperty(sigProfile, propKey, defaultName);
-
- HashMap ognlCtx = new HashMap();
- OgnlUtil ognl = new OgnlUtil(ognlCtx);
- if (ognl.containsExpression(adobeStr)) {
- if (si == null) {
- logger
- .error(ADOBE_SIG_TEXT_KEY
- + " ognl expressions not allowed for binary signatures (SignatorInformation not available)");
- return defaultName;
- }
- ognlCtx.put("si", si);
- ognlCtx.put("sso", si.getSignSignatureObject());
- String res = ognl.compileMessage(adobeStr);
- return res;
- } else {
- return adobeStr;
- }
-
- } catch (Exception ex) {
- logger.warn("error creating adobe sign text, using default '" + defaultName + "'", ex);
- return defaultName;
- }
- }
-
-}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/BinaryBlockInfo.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/BinaryBlockInfo.java deleted file mode 100644 index 2087712..0000000 --- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/BinaryBlockInfo.java +++ /dev/null @@ -1,61 +0,0 @@ -/**
- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
- * joint initiative of the Federal Chancellery Austria and Graz University of
- * Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- *
- * $Id: BinaryBlockInfo.java,v 1.1 2006/08/25 17:10:08 wprinz Exp $
- */
-package at.knowcenter.wag.egov.egiz.pdf;
-
-import java.util.List;
-
-/**
- * Helper class that holds information about a binary signature block.
- *
- * @author wprinz
- */
-public class BinaryBlockInfo
-{
- /**
- * The signed size, in bytes.
- *
- * <p>
- * This includes the block itself.
- * </p>
- */
- public int signed_size = -1;
-
- /**
- * The List of ReplaceInfo objects that specify the replaced strings.
- */
- public List replaces = null;
-
-// /**
-// * The start of the /ODS number in the PDF.
-// */
-// public int ods_start = -1;
-//
-// /**
-// * The start of the \replaces array in the PDF.
-// */
-// public int array_start = -1;
-
-}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/BinarySignature.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/BinarySignature.java deleted file mode 100644 index ece9525..0000000 --- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/BinarySignature.java +++ /dev/null @@ -1,2145 +0,0 @@ -/**
- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
- * joint initiative of the Federal Chancellery Austria and Graz University of
- * Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- *
- * $Id: BinarySignature.java,v 1.4 2006/10/11 07:57:58 wprinz Exp $
- */
-package at.knowcenter.wag.egov.egiz.pdf;
-
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.OutputStream;
-import java.io.UnsupportedEncodingException;
-import java.net.MalformedURLException;
-import java.security.MessageDigest;
-import java.security.NoSuchAlgorithmException;
-import java.security.cert.CertificateEncodingException;
-import java.security.cert.X509Certificate;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.Iterator;
-import java.util.List;
-
-import org.apache.commons.lang.ArrayUtils;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-
-import at.gv.egiz.pdfas.api.timestamp.TimeStamper;
-import at.gv.egiz.pdfas.exceptions.ErrorCode;
-import at.gv.egiz.pdfas.exceptions.pdf.CaptionNotFoundException;
-import at.gv.egiz.pdfas.exceptions.pdf.KZSettingNotFoundException;
-import at.gv.egiz.pdfas.framework.input.PdfDataSource;
-import at.gv.egiz.pdfas.framework.output.DataSink;
-import at.gv.egiz.pdfas.framework.signator.SignatorInformation;
-import at.gv.egiz.pdfas.placeholder.SignaturePlaceholderContext;
-import at.gv.egiz.pdfas.placeholder.SignaturePlaceholderData;
-import at.gv.egiz.pdfas.utils.PDFASUtils;
-import at.knowcenter.wag.egov.egiz.cfg.SettingsReader;
-import at.knowcenter.wag.egov.egiz.exceptions.PDFDocumentException;
-import at.knowcenter.wag.egov.egiz.exceptions.PlaceholderException;
-import at.knowcenter.wag.egov.egiz.exceptions.PresentableException;
-import at.knowcenter.wag.egov.egiz.exceptions.SettingNotFoundException;
-import at.knowcenter.wag.egov.egiz.exceptions.SettingsException;
-import at.knowcenter.wag.egov.egiz.sig.SignatureFieldDefinition;
-import at.knowcenter.wag.egov.egiz.sig.SignatureObject;
-import at.knowcenter.wag.egov.egiz.sig.SignatureTypeDefinition;
-import at.knowcenter.wag.egov.egiz.sig.SignatureTypes;
-import at.knowcenter.wag.egov.egiz.tools.CodingHelper;
-import at.knowcenter.wag.exactparser.ByteArrayUtils;
-
-import com.lowagie.text.BadElementException;
-import com.lowagie.text.Document;
-import com.lowagie.text.DocumentException;
-import com.lowagie.text.Image;
-import com.lowagie.text.Rectangle;
-import com.lowagie.text.pdf.BadPdfFormatException;
-import com.lowagie.text.pdf.PRStream;
-import com.lowagie.text.pdf.PdfArray;
-import com.lowagie.text.pdf.PdfContentByte;
-import com.lowagie.text.pdf.PdfDictionary;
-import com.lowagie.text.pdf.PdfImage;
-import com.lowagie.text.pdf.PdfIndirectObject;
-import com.lowagie.text.pdf.PdfIndirectReference;
-import com.lowagie.text.pdf.PdfName;
-import com.lowagie.text.pdf.PdfNumber;
-import com.lowagie.text.pdf.PdfObject;
-import com.lowagie.text.pdf.PdfPTable;
-import com.lowagie.text.pdf.PdfReader;
-import com.lowagie.text.pdf.PdfStamper;
-import com.lowagie.text.pdf.PdfStamperImp;
-import com.lowagie.text.pdf.PdfString;
-import com.lowagie.text.pdf.PdfTemplate;
-
-/**
- * Contains various extension functions to digitally sign documents.
- *
- * <p>
- * These functions are used to replace parts of the original Egiz plain text
- * signature mechanism.
- * </p>
- *
- * @author wprinz
- */
-public abstract class BinarySignature
-{
-//23.11.2010 changed by exthex - added replacePlaceholder(PdfStamper stamper, int pageNr, String placeholderName) method
-
- protected static Log logger = LogFactory.getLog(BinarySignature.class);
- /**
- * The tolerance area of the line break algorithm.
- *
- * @see Placeholder#replacePlaceholderWithTolerance(byte[], List, byte[], int)
- */
- public static final int LINE_BREAK_TOLERANCE = 10;
-
- /**
- * The number of bytes left out for the certificate placeholder.
- */
- public static final int CERTIFICATE_PLACEHOLDER_LENGTH = 10000;
-
- /**
- * The number of bytes left out for the timestamp placeholder.
- */
- public static final int TIMESTAMP_PLACEHOLDER_LENGTH = 5000;
-
- /**
- * The placeholder character used to fill out Strings in the layout process.
- */
- public static final byte LAYOUT_PLACEHOLDER = 'w';
-
- /**
- * This placeholder is used to fill out holes between the byte ranges before
- * the document is signed.
- */
- public static final byte SIGN_PLACEHOLDER = 0;
-
- /**
- * The nil brev used to define an unrecognized value.
- */
- public static final byte[] BREV_NIL = { 'n', 'i', 'l' };
-
- /**
- * The date brev.
- */
- public static final byte[] BREV_DAT = { 'd', 'a', 't' };
-
- /**
- * The issure brev.
- */
- public static final byte[] BREV_ISS = { 'i', 's', 's' };
-
- /**
- * The serial number brev.
- */
- public static final byte[] BREV_SNR = { 's', 'n', 'r' };
-
- /**
- * The value brev.
- */
- public static final byte[] BREV_VAL = { 'v', 'a', 'l' };
-
- /**
- * The SIG_ID brev.
- */
- public static final byte[] BREV_SID = { 's', 'i', 'd' };
-
- /**
- * The SIG_ALG brev.
- */
- public static final byte[] BREV_ALG = { 'a', 'l', 'g' };
-
- /**
- * No explicit encoding.
- */
- public static final byte[] ENCODING_NIL = { 'n', 'i', 'l' };
-
- /**
- * PDF WinAnsiEncoding.
- */
- public static final byte[] ENCODING_WIN = { 'w', 'i', 'n' };
-
- /**
- * URL encoding.
- */
- public static final byte[] ENCODING_URL = { 'u', 'r', 'l' };
-
- /**
- * The PDFName of the Egiz Dictionary.
- *
- * <p>
- * Used to locate and identify the Egiz Dictionary in the document.
- * </p>
- */
- public static final PdfName EGIZ_DICT_NAME = new PdfName("EGIZSigDict");
-
- /**
- * The PDFName of the Original Document Size (ODS) field in an Egiz
- * Dictionary.
- *
- * <p>
- * The ODS must be a positive integral number.
- * </p>
- */
- public static final PdfName EGIZ_ODS_NAME = new PdfName("ODS");
-
- /**
- * The PDFName of the Kennzeichnung attribute.
- */
- public static final PdfName EGIZ_KZ_NAME = new PdfName("ID");
-
- /**
- * The PDFName of the /replaces field in an Egiz Dictionary.
- */
- public static final PdfName EGIZ_REPLACES_NAME = new PdfName("replaces");
-
- /**
- * The PDFName of the /encodings field in an Egiz Dictionary.
- */
- public static final PdfName EGIZ_ENCODINGS_NAME = new PdfName("encodings");
-
- /**
- * The PDFName of the byte ranges array.
- */
- public static final PdfName EGIZ_BYTERANGES_NAME = new PdfName("ByteRange");
-
- /**
- * The PdfName of the certificate array.
- */
- public static final PdfName EGIZ_CERTIFICATE_NAME = new PdfName("Cert");
-
- /**
- * The PdfName of the Timestamp
- */
- public static final PdfName EGIZ_TIMESTAMP_NAME = new PdfName("TimeStamp");
-
- /**
- * The PdfName of the data array that contains various egiz-dict data.
- */
- public static final PdfName EGIZ_DATA_NAME = new PdfName("Data");
-
- /**
- * The PDFName of the Signature XObject field in an Egiz Dictionary.
- *
- * <p>
- * This must be an indirect reference to the XObject containing the Signature
- * table.
- * </p>
- */
- public static final PdfName EGIZ_XOBJ_NAME = new PdfName("SigXObject");
-
- /**
- * The number placeholder that is used to give numbers a fixed length.
- */
- protected static final PdfNumber NUMBER_PLACEHOLDER = new PdfNumber(999999999);
-
- /**
- * Extracts the signature text only.
- *
- * <p>
- * The signature text is the text of the Signature XObject.
- * </p>
- *
- * @param egiz_dict
- * The Egiz Dictionary.
- *
- * @return Returns the signature text.
- */
- public static String extractSignatureTextOnly(PdfDictionary egiz_dict) throws IOException
- {
- PdfIndirectReference xobj_ir = (PdfIndirectReference) egiz_dict.get(EGIZ_XOBJ_NAME);
- PRStream temp_stream = (PRStream) PdfReader.getPdfObject(xobj_ir);
-
- byte[] stream_bytes = PdfReader.getStreamBytes(temp_stream);
-
- return Utils.extractPureTextFromContentStream(stream_bytes);
- }
-
- /**
- * Retrieves the size of the original document from the Egiz Dictionary.
- *
- * @param egiz_dict
- * The Egiz Dictionary.
- * @return Returns the size (in bytes) of the original document.
- */
- public static int getOriginalDocumentSizeFromEgizDict(PdfDictionary egiz_dict)
- {
- PdfObject ods_obj = egiz_dict.get(EGIZ_ODS_NAME);
- PdfNumber ods_number = (PdfNumber) PdfReader.getPdfObject(ods_obj);
-
- return ods_number.intValue();
- }
-
- /**
- * Retrieves the previous Egiz dictionary from the given one, if a previous
- * dictionary exists.
- *
- * @param egiz_dict
- * The Egiz Dictionary.
- * @return Returns the previous Egiz Dictionary, or null if there is none.
- */
- public static PdfDictionary getPreviousFromEgizDict(PdfDictionary egiz_dict)
- {
- PdfObject prev_obj = egiz_dict.get(PdfName.PREV);
- PdfDictionary previous_dict = (PdfDictionary) PdfReader.getPdfObject(prev_obj);
- return previous_dict;
- }
-
- /**
- * Retrieves the Egiz Dictionary from the document if present.
- *
- * @param reader
- * The reader to retrieve the dictionary from.
- * @return Returns the Egiz Dictionary, if present, or returns null, if no
- * egiz dictionary was found.
- */
- public static PdfDictionary getEgizDictFromReader(PdfReader reader)
- {
- PdfIndirectReference dict_ir = getEgizDictIndRefFromReader(reader);
- if (dict_ir == null)
- {
- return null;
- }
-
- PdfDictionary egiz_dict = (PdfDictionary) PdfReader.getPdfObject(dict_ir);
-
- return egiz_dict;
- }
-
- /**
- * Retrieves the Egiz Dictionary's indirect reference from the reader.
- *
- * @param reader
- * The reader.
- * @return Returns the indirect reference of the Egiz Dictionary, or null, if
- * none exists.
- */
- public static PdfIndirectReference getEgizDictIndRefFromReader(PdfReader reader)
- {
- PdfDictionary catalog = reader.getCatalog();
- PdfIndirectReference dict_ir = (PdfIndirectReference) catalog.get(EGIZ_DICT_NAME);
- return dict_ir;
- }
-
- /**
- * Retrieves the chain of Egiz Dictionaries from the reader.
- *
- * <p>
- * The first element in the List will be the top most (oldest) Egiz
- * Dictionary. The last element in the List will be the bottom most (latest)
- * Egiz Dictionary. If the list is empty, no dictionary could be found at all,
- * which means that the document is not digitally signed.
- * </p>
- *
- * @param reader
- * The reader.
- * @return Returns the List of PdfDictionaries from the document.
- */
- public static List getEgizDictChainFromReader(PdfReader reader)
- {
- List dicts = new ArrayList();
-
- PdfDictionary current_dict = getEgizDictFromReader(reader);
- if (current_dict != null)
- {
- dicts.add(0, current_dict);
-
- while ((current_dict = getPreviousFromEgizDict(current_dict)) != null)
- {
- dicts.add(0, current_dict);
- }
- }
-
- return dicts;
- }
-
- /**
- * Builds a digest of the given data.
- *
- * @param data
- * The data to be digested.
- * @param length
- * The length of the data portion that should be used for digesting.
- * This allows to build the digest only over parts of the data.
- * @return Returns the created digest.
- * @throws PDFDocumentException
- * Forwarded exception.
- */
- public static byte[] buildDigest(final byte[] data, final int length) throws PDFDocumentException
- {
- MessageDigest sha_512 = null;
- try
- {
- sha_512 = MessageDigest.getInstance("SHA-512");
- }
- catch (NoSuchAlgorithmException e)
- {
- e.printStackTrace();
- throw new PDFDocumentException(202, "Digest algorithm not supported - NoSuchAlgorithmException", e);
- }
-
- sha_512.reset();
- sha_512.update(data, 0, length);
- byte[] digest = sha_512.digest();
-
- return digest;
- }
-
- /**
- * Retrieves the signable text from the given document.
- *
- * @param data
- * The data.
- * @param ods
- * The original document size.
- * @return Returns the signable text.
- */
- public static String retrieveSignableTextFromData(final byte[] data, final int ods)
- {
- // byte[] digest = buildDigest(data, ods);
- String raw_text = CodingHelper.encodeBase64(data);// digest); // data);
-
- return raw_text;
- }
-
- /**
- * Fills the holes in the byte ranges with the SIGN_PLACEHOLDER.
- *
- * @param data
- * The given byte ranged data.
- * @param byte_ranges
- * The byte ranges.
- * @return Returns the filled text.
- */
- public static byte[] prepareDataToSign(final byte[] data, final List byte_ranges)
- {
- ByteArrayOutputStream baos = new ByteArrayOutputStream();
- Iterator it = byte_ranges.iterator();
- int last_end = 0;
- while (it.hasNext())
- {
- StringInfo si = (StringInfo) it.next();
-
- for (int i = last_end; i < si.string_start; i++)
- {
- baos.write(SIGN_PLACEHOLDER);
- }
-
- baos.write(data, si.string_start, si.string_length);
-
- last_end = si.string_start + si.string_length;
- }
- byte[] data_to_sign = baos.toByteArray();
-
- return data_to_sign;
- }
-
- // TODO old code - remove
- // /**
- // * Extracts the binary 'text' of a document.
- // *
- // * <p>
- // * If the document contains an Egiz Dictionary, which means that it is
- // already
- // * signed, the binary text is the Base64 coded string of the original
- // document
- // * followed by the Ascii representation of the signature block.
- // * </p>
- // * <p>
- // * If the document does not contain an Egiz Dictionary, which means that it
- // is
- // * unsigned, only the binary Base64 coded original document is returned as
- // * binary text.
- // * </p>
- // * <p>
- // * This function is intented for being used instead of the "text extraction"
- // * mechanism used in the plain text Egiz project.
- // * </p>
- // *
- // * @param doc
- // * The file.
- // * @return Returns the binary text of the document.
- // * @throws PDFDocumentException
- // * Forwarded exception.
- // */
- // public static String extractTextBinary(File doc) throws
- // PDFDocumentException
- // {
- // try
- // {
- // FileInputStream fis = new FileInputStream(doc);
- // return extractTextBinary(fis);
- // }
- // catch (FileNotFoundException e)
- // {
- // throw new PDFDocumentException(202, e);
- // }
- // }
- //
- // /**
- // * Extracts the text binary.
- // *
- // * @param is
- // * @return Returns the binary text.
- // * @throws PDFDocumentException
- // */
- // public static String extractTextBinary(InputStream is) throws
- // PDFDocumentException
- // {
- // try
- // {
- // // for some stupid reason this produces a read error if the is comes from
- // // a
- // // multipart servlet form..???
- // ByteArrayOutputStream baos = new ByteArrayOutputStream();
- // int i = -1;
- // int acc = 0;
- // byte[] b = new byte[1000];
- // while ((i = is.read(b)) > 0)
- // {
- // acc += i;
- // System.out.print(" " + i);
- // baos.write(b, 0, i);
- // }
- // System.out.println("acc = " + acc);
- // byte[] pdf = baos.toByteArray();
- //
- // return extractTextBinary(pdf);
- // }
- // catch (IOException e)
- // {
- // throw new PDFDocumentException(202, e);
- // }
- // }
- //
- // /**
- // * Extracts the signable text from a binary pdf document.
- // *
- // * <p>
- // * The signable text is the text that will be signed or verified afterwards.
- // * </p>
- // *
- // * @param pdf
- // * The pdf document.
- // * @return Returns the extracted text String.
- // * @throws PDFDocumentException
- // * Forwarded exception.
- // */
- // public static String extractTextBinary(final byte[] pdf) throws
- // PDFDocumentException
- // {
- // try
- // {
- // PdfReader reader = new PdfReader(new ByteArrayInputStream(pdf));
- // PdfDictionary egiz_dict = getEgizDictFromReader(reader);
- // if (egiz_dict == null)
- // {
- // System.out.println("NO Egiz Dict found - whole doc = original doc");
- //
- // int ods = pdf.length;
- // return retrieveSignableTextFromData(pdf, ods);
- // }
- //
- // String sig_text = extractSignatureTextOnly(egiz_dict);
- //
- // int ods = getOriginalDocumentSizeFromEgizDict(egiz_dict);
- //
- // String raw_text = retrieveSignableTextFromData(pdf, ods);
- // raw_text += "\n";
- // raw_text += sig_text;
- //
- // return raw_text;
- // }
- // catch (IOException e)
- // {
- // throw new PDFDocumentException(202, e);
- // }
- // }
-
- // TODO obsolete code - remove
- // /**
- // * Retrieves the List of SignatureHolders containing the information of all
- // * digital signatures of the given document.
- // *
- // * <p>
- // * If the List of SignatureHolders is empty, the document is not signed
- // * anyways.
- // * </p>
- // *
- // * @param pdf
- // * The complete pdf document.
- // * @return Returns the List of SignatureHolders.
- // * @throws PDFDocumentException
- // * @throws SignatureTypesException
- // * @throws SignatureException
- // */
- // public static List extractSignatureHoldersBinary(final byte[] pdf) throws
- // PDFDocumentException, SignatureTypesException, SignatureException
- // {
- // try
- // {
- // PdfReader reader = new PdfReader(new ByteArrayInputStream(pdf));
- // List chain = getEgizDictChainFromReader(reader);
- //
- // List signatures = new ArrayList();
- // Iterator it = chain.iterator();
- // while (it.hasNext())
- // {
- // PdfDictionary dict = (PdfDictionary) it.next();
- //
- // int ods = getOriginalDocumentSizeFromEgizDict(dict);
- // String signature_text = extractSignatureTextOnly(dict);
- //
- // SignatureTypes sig_types = SignatureTypes.getInstance();
- // List types = sig_types.getSignatureTypeDefinitions();
- // SignatureBlock sig_block = new SignatureBlock(types);
- // boolean could_separate = sig_block.separateBlockFromRawText(signature_text,
- // false);
- //
- // if (could_separate)
- // {
- // SignatureObject sig_object = sig_block.getSignatureObject();
- //
- // SignatureHolder holder = new BinarySignatureHolder(pdf, ods, sig_object);
- // signatures.add(holder);
- // }
- // }
- //
- // return signatures;
- // }
- // catch (IOException e)
- // {
- // throw new PDFDocumentException(201, e);
- // }
- // }
-
- // /**
- // * Signs a document with the given signature table using the Incremental
- // * Update method.
- // *
- // * <p>
- // * The table containing the signature text will be appended. As specified by
- // * the parameters, the signature will be appended to the last page, or a
- // plain
- // * new page will be created for the signature to hold.
- // * </p>
- // * <p>
- // * The table will be completely wrapped by an XObject, which will also be
- // * indirectly referenced by the Egiz Dictionary. This will ease the
- // * verification process.
- // * </p>
- // * <p>
- // * An Egiz Dictionary will be added to the new document that contains
- // * information about the signature. Basically the size of the original
- // * document and the reference of the signature table.
- // * </p>
- // *
- // * @param original_document
- // * The file name of the original document.
- // * @param new_document
- // * The file name of the new document to be created.
- // * @param pdf_table
- // * The PdfPTable that contains the signature block.
- // * @param pos_x
- // * The x position where the table should be inserted.
- // * @param pos_y
- // * The y position where the table should be inserted (on the last
- // * page). If this is negative, a new page will be appended to the
- // * document. Then the table will be inserted on that new page using
- // * the absolute value of pos_y. Note that pos_y specifies the top
- // * line of the table.
- // * @throws PresentableException
- // * Forwarded exception.
- // *
- // * @see #writeIncrementalUpdate(byte[], PdfPTable, float, float, boolean)
- // */
- // public static void writeIncrementalUpdate(String original_document,
- // String new_document, PdfPTable pdf_table, float pos_x, float pos_y,
- // int egiz_dict_num_replaces) throws PresentableException
- // {
- // try
- // {
- // File original_document_file = new File(original_document);
- // FileInputStream fis = new FileInputStream(original_document_file);
- // byte[] pdf = new byte[(int) original_document_file.length()];
- // fis.read(pdf);
- // fis.close();
- //
- // byte[] signed_pdf = writeIncrementalUpdate(pdf, pdf_table, pos_x, pos_y,
- // egiz_dict_num_replaces);
- //
- // File new_document_file = new File(new_document);
- // FileOutputStream fos = new FileOutputStream(new_document_file);
- // fos.write(signed_pdf);
- // fos.close();
- // }
- // catch (IOException e)
- // {
- // throw new PresentableException(e);
- // }
- // }
-
- protected static int getLineBreakTolerance(IncrementalUpdateInformation iui) throws PDFDocumentException
- {
- SettingsReader settings;
- try
- {
- settings = SettingsReader.getInstance();
- }
- catch (SettingsException e)
- {
- throw new PDFDocumentException(e.getErrorCode(), e);
- }
- String phLineBreakTolerance = SignatureTypeDefinition.readPhLenStringFromSettings(settings, iui.signProfile, "line_break_tolerance");
- int lineBreakTolerance = LINE_BREAK_TOLERANCE;
- if (phLineBreakTolerance != null)
- {
- lineBreakTolerance = Integer.parseInt(phLineBreakTolerance);
- }
- return lineBreakTolerance;
- }
-
- protected static int getCertificatePlaceholderLength(IncrementalUpdateInformation iui) throws SettingNotFoundException
- {
- SettingsReader settings;
- try
- {
- settings = SettingsReader.getInstance();
- }
- catch (SettingsException e)
- {
- throw new SettingNotFoundException(e);
- }
- String certPhLen = SignatureTypeDefinition.readPhLenStringFromSettings(settings, iui.signProfile, "certificate");
- int certLen = CERTIFICATE_PLACEHOLDER_LENGTH;
- if (certPhLen != null)
- {
- certLen = Integer.parseInt(certPhLen);
- }
- return certLen;
- }
-
- protected static int getTimestampPlaceholderLength(IncrementalUpdateInformation iui) throws SettingNotFoundException
- {
- SettingsReader settings;
- try
- {
- settings = SettingsReader.getInstance();
- }
- catch (SettingsException e)
- {
- throw new SettingNotFoundException(e);
- }
- String phLen = SignatureTypeDefinition.readPhLenStringFromSettings(settings, iui.signProfile, "timestamp");
- int tsLen = TIMESTAMP_PLACEHOLDER_LENGTH;
- if (phLen != null)
- {
- tsLen = Integer.parseInt(phLen);
- }
- return tsLen;
- }
-
- /**
- * Signs a document with the given signature table using the Incremental
- * Update method.
- *
- * <p>
- * The table containing the signature text will be appended. As specified by
- * the parameters, the signature will be appended to the last page, or a plain
- * new page will be created for the signature to hold.
- * </p>
- * <p>
- * The table will be completely wrapped by an XObject, which will also be
- * indirectly referenced by the Egiz Dictionary. This will ease the
- * verification process.
- * </p>
- * <p>
- * An Egiz Dictionary will be added to the new document that contains
- * information about the signature. Basically the size of the original
- * document and the reference of the signature table.
- * </p>
- *
- * @param original_document
- * The original document.
- * @param pdf_table
- * The PdfPTable that contains the signature block.
- * @param pi
- * The PositioningInstruction telling the algorithm where to place
- * the signature block.
- * @param invisible_field_definitions
- * List of invisible field definitions to be added to the egiz dict.
- * May be null or empty, if there are no invisible fields.
- * @param invisibleKZString
- * If not null, thins String is the KZ String to be written into the
- * /Data array.
- * @return Returns the new document.
- * @throws PresentableException
- * Forwarded exception.
- */
- public static IncrementalUpdateInformation writeIncrementalUpdate(PdfDataSource original_document, DataSink written_pdf, PdfPTable pdf_table, String profile, PositioningInstruction pi,
- List variable_field_definitions, List all_field_definitions, List invisible_field_definitions, String invisibleKZString, TimeStamper timeStamper, SignatorInformation si, SignatureObject so) throws PresentableException
- {
- try
- {
- IncrementalUpdateInformation iui = new IncrementalUpdateInformation();
- iui.original_document = original_document;
- iui.start_index = original_document.getLength();
- iui.signProfile = profile;
- iui.timeStamper = timeStamper;
-
- Document.compress = true; // exthex : compress now, excluding the xobject later
-
- // System.out.println("wprinz: STAMPING PDF");
-
- // InputStream is = original_document.createInputStream();
- byte[] pdf_data = original_document.getAsByteArray();
- PdfReader reader = new PdfReader(pdf_data);
- PDFASUtils.checkReaderPermissions(reader);
- // is.close();
-
- OutputStream baos = written_pdf.createOutputStream("application/pdf");
- // ByteArrayOutputStream baos = new ByteArrayOutputStream();
-
- // IMPORTANT: append the new content to the original document using
- // incremental updated
- // The stamper allows this by setting append = true
- boolean adobeSigField = AdobeSignatureHelper.isAdobeSignatureFieldEnabled(so.getSignatureTypeDefinition().getType());
- PdfStamper stamper = null;
- if (adobeSigField) {
- stamper = PdfStamper.createSignature(reader, baos, '\0', null, true);
- } else {
- stamper = new PdfStamper(reader, baos, '\0', true);
- }
-
- if (pi.isMakeNewPage())
- {
- int pdf_page_num = reader.getNumberOfPages();
-
- Rectangle psize = reader.getPageSizeWithRotation(pdf_page_num);
- Rectangle rect = new Rectangle(psize);
- stamper.insertPage(pdf_page_num + 1, rect);
- }
-
- if (pi.getPage() < 1 || pi.getPage() > stamper.getReader().getNumberOfPages())
- {
- throw new PDFDocumentException(224, "The provided page (=" + pi.getPage() + ") is out of range.");
- }
-
- if (SignaturePlaceholderContext.isSignaturePlaceholderDataSet() &&
- SignaturePlaceholderContext.getSignaturePlaceholderData().getPlaceholderName() != null)
- {
- replacePlaceholder(stamper, pi.getPage(), SignaturePlaceholderContext.getSignaturePlaceholderData().getPlaceholderName());
- }
-
- PdfContentByte content = stamper.getOverContent(pi.getPage());
- // content = StampContent einer PageStamp.
-
- // System.out.println("table_width = " + pdf_table.getTotalWidth() + ",
- // table_height = " + pdf_table.getTotalHeight());
-
- PdfTemplate table_template = content.createTemplate(pdf_table.getTotalWidth(), pdf_table.getTotalHeight());
- table_template.setCompress(Boolean.FALSE); // do not compress sigblock because we rewrite it afterwards for bin sig
-
- // exthex
- StructContentHelper structHelper = new StructContentHelper(stamper, content, pi.getPage());
- structHelper.prepareStructData(table_template);
-
- pdf_table.writeSelectedRows(0, -1, 0, pdf_table.getTotalHeight(), table_template);
-
- // table_template.moveTo(0, 0);
- // table_template.lineTo(pdf_table.getTotalWidth(),
- // pdf_table.getTotalHeight());
- // table_template.stroke();
- // table_template.moveTo(0, 0);
- // table_template.lineTo(100, 100);
- // table_template.stroke();
-
- // pdf_table.writeSelectedRows(0, -1, SIGNATURE_BORDER / 2,
- // table_position, content);
-
-
- structHelper.beginSigBlockContent();
-
- content.addTemplate(table_template, pi.getX(), pi.getY() - pdf_table.getTotalHeight());
-
- structHelper.endSigBlockContent();
-
-
- ActualTablePos atp = new ActualTablePos();
- atp.page = pi.getPage();
- atp.x = pi.getX();
- atp.y = pi.getY(); // TODO is this correct or flipped?
- atp.width = pdf_table.getTotalWidth();
- atp.height = pdf_table.getTotalHeight();
- iui.actualTablePos = atp;
-
- structHelper.buildFigureStructData(so, table_template);
- structHelper.buildSigBlockStructData();
- structHelper.finishMainStructData();
-
- structHelper.buildVerifyLinkStructData(table_template, atp);
-
- // For debugging print a 100x100 grid
- // {
- // Rectangle psize = reader.getPageSizeWithRotation(pos.page);
- // float page_width = psize.width();
- // float page_height = psize.height();
- // for (float x = 0; x < page_width; x += 100)
- // {
- // content.moveTo(x, 0);
- // content.lineTo(x, page_height);
- // content.stroke();
- // }
- // for (float y = 0; y < page_height; y += 100)
- // {
- // content.moveTo(0, y);
- // content.lineTo(page_width, y);
- // content.stroke();
- // }
- // }
-
- // content.setLineWidth(10.0f);
- // content.moveTo(0, 0);
- // content.lineTo(100, 100);
- // content.stroke();
-
- // PdfIndirectReference page_ref =
- // stamper.getWriter().getPageReference(signature_page);
- // System.out.println("page_ref = " + page_ref.toString());
-
- // PdfObject page_obj = PdfReader.getPdfObject(page_ref);
- // System.out.println("page_obj = " + page_obj);
-
- // PdfDictionary page_dict = (PdfDictionary) page_obj;
- // PdfObject resources_obj = page_dict.get(PdfName.RESOURCES);
- // System.out.println("resources_obj = " + resources_obj);
- // PdfDictionary resources = (PdfDictionary)
- // PdfReader.getPdfObject(resources_obj);
- // for (Iterator it = resources.getKeys().iterator(); it.hasNext();)
- // {
- // PdfName key = (PdfName) it.next();
- // PdfObject value = resources.get(key);
- // System.out.println(" " + key + " = " + value);
- // }
-
- // add the EGIZ dict:
- if (variable_field_definitions != null)
- {
- createEgizDict(stamper, table_template, iui, variable_field_definitions, all_field_definitions, invisible_field_definitions, invisibleKZString);
- }
-
- if (adobeSigField) {
- AdobeSignatureHelper.createAdobeSignatureField(stamper, si, so, atp, structHelper); // here..., stamper is closed
- } else {
- stamper.close();
- }
- // System.out.println("wprinz: STAMPING FINISHED");
-
- // just to make sure the stream is really closed
- baos.close();//
- //org.apache.commons.io.FileUtils.writeByteArrayToFile(new java.io.File("C:/out.pdf"), ((at.gv.egiz.pdfas.impl.output.ByteArrayDataSink) written_pdf).getByteArray());
- // iui.signed_pdf = baos.toByteArray();
-
- structHelper.removeCurrent();
- return iui;
- }
- catch (IOException e)
- {
- e.printStackTrace();
- throw new PresentableException(ErrorCode.CANNOT_WRITE_PDF, e);
- }
- catch (DocumentException e)
- {
- e.printStackTrace();
- throw new PresentableException(ErrorCode.CANNOT_WRITE_PDF, e);
- }
- }
-
- private static void replacePlaceholder(PdfStamper stamper, int pageNr, String placeholderName) throws BadElementException, MalformedURLException, IOException, BadPdfFormatException, PresentableException {
- Image img = Image.getInstance(SignaturePlaceholderData.class.getResource("empty.jpg"));
- PdfImage pImg = new PdfImage(img, "Imwurscht", null);
- PdfStamperImp stamperImp = (PdfStamperImp)stamper.getWriter();
- PdfIndirectObject ind = stamperImp.addToBody(pImg);
-
- PdfDictionary resources = stamper.getReader().getPageN(pageNr).getAsDict(PdfName.RESOURCES);
- if (ind != null && resources != null)
- {
- PdfDictionary xobjDict = resources.getAsDict(PdfName.XOBJECT);
- if (xobjDict != null)
- {
- xobjDict.put(new PdfName(placeholderName), ind.getIndirectReference());
- stamperImp.markUsed(resources);
- }
- else
- {
- throw new PresentableException(ErrorCode.CANNOT_WRITE_PDF, new NullPointerException("Image dictionary not found in document structure!"));
- }
- }
- else
- {
- throw new PresentableException(ErrorCode.CANNOT_WRITE_PDF, new NullPointerException("Resource dictionary not found in document structure!"));
- }
- }
-
-
- /**
- * Creates the EGIZ Dictionary and adds it to the document.
- *
- * @param stamper
- * The PdfStamper.
- * @param table_template
- * The Template of the Signature block.
- * @param iui
- * The IncrementalUpdateInformation.
- * @param variable_field_definitions
- * The field definitions.
- * @throws IOException
- * @throws SettingNotFoundException
- * @throws CaptionNotFoundException
- */
- protected static void createEgizDict(PdfStamper stamper, PdfTemplate table_template, IncrementalUpdateInformation iui, List variable_field_definitions, List all_field_definitions,
- List invisible_field_definitions, String invisibleKZString) throws IOException, SettingNotFoundException, CaptionNotFoundException
- {
- // iui.temp_ir = table_template.getIndirectReference();
- iui.temp_ir_number = table_template.getIndirectReference().getNumber();
- iui.temp_ir_generation = table_template.getIndirectReference().getGeneration();
-
- byte[] content_stream = table_template.toPdf(null);
- iui.content_stream_length = content_stream.length;
-
- iui.replaces = determineReplacesInContentStream(content_stream, 0, content_stream.length, variable_field_definitions);
- if (invisibleKZString == null)
- {
- iui.kz_list = determineKZ(content_stream, 0, content_stream.length, all_field_definitions);
- }
- else
- {
- StringInfo si = new StringInfo();
- si.string_start = -1;
- si.string_length = invisibleKZString.length();
-
- iui.kz_list = new ArrayList();
- iui.kz_list.add(si);
- }
-
- // PdfIndirectReference previous_egiz_dict_ind_ref =
- // getEgizDictIndRefFromReader(reader);
-
- PdfDictionary egiz_dict = new PdfDictionary(EGIZ_DICT_NAME);
- egiz_dict.put(EGIZ_XOBJ_NAME, table_template.getIndirectReference());
- egiz_dict.put(EGIZ_ODS_NAME, NUMBER_PLACEHOLDER);
-
- // /ID
- PdfArray kz_array = new PdfArray();
- for (int i = 0; i < iui.kz_list.size(); i++)
- {
- kz_array.add(NUMBER_PLACEHOLDER); // start
- kz_array.add(NUMBER_PLACEHOLDER); // length
- }
- egiz_dict.put(EGIZ_KZ_NAME, kz_array);
-
- // ByteRanges
- int num_replaces = calcNumReps(iui.replaces);
- int num_holes = num_replaces + 1 + 1;
- // +1 = the /encodings hole
- // +1 = the /Cert
- // +1 = the /Timestamp
- if (iui.timeStamper != null) {
- num_holes += 1;
- }
- boolean has_hidden_variable_fields = invisible_field_definitions != null && !invisible_field_definitions.isEmpty();
- if (has_hidden_variable_fields)
- {
- num_holes += invisible_field_definitions.size();
- }
- int num_byte_ranges = num_holes + 1;
-
- PdfArray byte_ranges_array = new PdfArray();
- for (int i = 0; i < num_byte_ranges; i++)
- {
- byte_ranges_array.add(NUMBER_PLACEHOLDER); // start
- byte_ranges_array.add(NUMBER_PLACEHOLDER); // length
- }
- egiz_dict.put(EGIZ_BYTERANGES_NAME, byte_ranges_array);
-
- PdfArray encodings_array = new PdfArray();
- encodings_array.add(new PdfName(new String(ENCODING_NIL))); // the
- // /encodings
- encodings_array.add(new PdfName(new String(ENCODING_NIL))); // the /Cert
-
- // array itself
- PdfArray replaces_array = new PdfArray();
- replaces_array.add(new PdfName(new String(BREV_NIL, "US-ASCII"))); // the
- // /encodings
- replaces_array.add(new PdfName(new String(BREV_NIL, "US-ASCII"))); // the
- // /Cert
-
- if (iui.timeStamper != null) {
- encodings_array.add(new PdfName(new String(ENCODING_NIL))); // the /Timestamp
- replaces_array.add(new PdfName(new String(BREV_NIL, "US-ASCII"))); // the /timestamp
-
- }
-
- // hidden replaces
- List hidden_replaces = null;
- if (has_hidden_variable_fields)
- {
- hidden_replaces = new ArrayList();
-
- Iterator it = invisible_field_definitions.iterator();
- while (it.hasNext())
- {
- SignatureFieldDefinition sfd = (SignatureFieldDefinition) it.next();
- byte[] brev = typeToBrev(sfd.field_name);
- encodings_array.add(new PdfName(new String(ENCODING_WIN, "US-ASCII")));
- replaces_array.add(new PdfName(new String(brev, "US-ASCII")));
-
- ReplaceInfo ri = new ReplaceInfo();
- ri.brev = brev;
- ri.enc = ENCODING_WIN;
- ri.sfd = sfd;
- ri.replaces = new ArrayList();
-
- StringInfo si = new StringInfo();
- si.string_start = -1; // to be determined later on
- si.string_length = sfd.placeholder_length;
- ri.replaces.add(si);
-
- hidden_replaces.add(ri);
- }
- }
-
- // content stream replaces
- Iterator it = iui.replaces.iterator();
- while (it.hasNext())
- {
- ReplaceInfo ri = (ReplaceInfo) it.next();
- for (int i = 0; i < ri.replaces.size(); i++)
- {
- byte[] brev = typeToBrev(ri.sfd.field_name);
- encodings_array.add(new PdfName(new String(ENCODING_WIN, "US-ASCII")));
- replaces_array.add(new PdfName(new String(brev, "US-ASCII")));
- }
- }
- egiz_dict.put(EGIZ_REPLACES_NAME, replaces_array);
-
- egiz_dict.put(EGIZ_ENCODINGS_NAME, encodings_array);
-
- PdfArray cert_array = new PdfArray();
- iui.cert_length = getCertificatePlaceholderLength(iui);
- byte[] cert_bytes = new byte[iui.cert_length];
- for (int i = 0; i < cert_bytes.length; i++)
- {
- cert_bytes[i] = 0;
- }
- PdfString cert_placeholder = new PdfString(cert_bytes);
- cert_array.add(cert_placeholder);
- egiz_dict.put(EGIZ_CERTIFICATE_NAME, cert_array);
-
- // Timestamp
- if (iui.timeStamper != null) {
- // only if handler is available
- PdfArray timestamp_array = new PdfArray();
- iui.timestamp_length = getTimestampPlaceholderLength(iui);
- byte[] timestamp_bytes = new byte[iui.timestamp_length];
- for (int i = 0; i < timestamp_bytes.length; i++)
- {
- timestamp_bytes[i] = 0;
- }
- PdfString timestamp_placeholder = new PdfString(timestamp_bytes);
- timestamp_array.add(timestamp_placeholder);
- egiz_dict.put(EGIZ_TIMESTAMP_NAME, timestamp_array);
- }
-
-
- // /Data array with hidden information
- if (has_hidden_variable_fields || invisibleKZString != null)
- {
- PdfArray hidden_fields_array = new PdfArray();
-
- if (invisibleKZString != null)
- {
- PdfString str = new PdfString(invisibleKZString);
- hidden_fields_array.add(str);
- }
-
- if (has_hidden_variable_fields)
- {
- iui.replaces.addAll(0, hidden_replaces);
-
- for (int i = 0; i < invisible_field_definitions.size(); i++)
- {
- SignatureFieldDefinition sfd = (SignatureFieldDefinition) invisible_field_definitions.get(i);
- byte[] placeholder = new byte[sfd.placeholder_length];
- for (int phIdx = 0; phIdx < placeholder.length; phIdx++)
- {
- placeholder[phIdx] = SIGN_PLACEHOLDER;
- }
- PdfString str = new PdfString(placeholder);
- hidden_fields_array.add(str);
- }
- }
-
- egiz_dict.put(EGIZ_DATA_NAME, hidden_fields_array);
- }
-
-
- PdfIndirectObject dict_ref = stamper.getWriter().addToBody(egiz_dict);
- // iui.egiz_dict_ir = dict_ref.getIndirectReference();
- iui.egiz_dict_ir_number = dict_ref.getIndirectReference().getNumber();
- iui.egiz_dict_ir_generation = dict_ref.getIndirectReference().getGeneration();
-
- PdfIndirectReference root_ref = (PdfIndirectReference) stamper.getReader().getTrailer().get(PdfName.ROOT);
- PdfDictionary root = (PdfDictionary) PdfReader.getPdfObject(root_ref);
- // root.put(EGIZ_DICT_NAME, dict_ref.getIndirectReference());
- ((PdfStamperImp) stamper.getWriter()).markUsed(root);
-
- // PdfDictionary extra_cata = stamper.getWriter().getExtraCatalog();
- // extra_cata.put(dict_type, dict_ref.getIndirectReference());
-
- ((PdfStamperImp) stamper.getWriter()).setEgizDictTrailerInfo(EGIZ_DICT_NAME, dict_ref.getIndirectReference());
- }
-
- /**
- * Converts a field name (type) to the corresponding BREV.
- *
- * @param type
- * The field name (type).
- * @return Returns the corresponding BREV, or BREV_NIL if the type is not
- * recognized.
- */
- protected static byte[] typeToBrev(String type)
- {
- if (type.equals(SignatureTypes.SIG_DATE))
- {
- return BREV_DAT;
- }
- if (type.equals(SignatureTypes.SIG_ISSUER))
- {
- return BREV_ISS;
- }
- if (type.equals(SignatureTypes.SIG_VALUE))
- {
- return BREV_VAL;
- }
- if (type.equals(SignatureTypes.SIG_NUMBER))
- {
- return BREV_SNR;
- }
- if (type.equals(SignatureTypes.SIG_ID))
- {
- return BREV_SID;
- }
- if (type.equals(SignatureTypes.SIG_ALG))
- {
- return BREV_ALG;
- }
-
-
- return BREV_NIL;
- }
-
- /**
- * Updates the information in the egiz dictionary to reflect the real offsets
- * of the byte ranges.
- *
- * <p>
- * This replaces the "dummy numbers" in the egiz dictionary with the correct
- * values.
- * </p>
- *
- * @param iui
- * The IncrementalUpdateInformation.
- * @throws PDFDocumentException
- */
- public static void markByteRanges(IncrementalUpdateInformation iui) throws PDFDocumentException
- {
- try
- {
- iui.byte_ranges = new ArrayList();
-
- int num_digits = Integer.toString(NUMBER_PLACEHOLDER.intValue()).length();
- byte[] signed_pdf = iui.signed_pdf;
-
- String str = iui.egiz_dict_ir_number + " " + iui.egiz_dict_ir_generation + " obj";
- byte[] obj_bytes = ArrayUtils.add(str.getBytes("US-ASCII"), 0, (byte) 0x0A);
- int obj_index = ByteArrayUtils.lastIndexOf(signed_pdf, obj_bytes);
- int obj_start = obj_index + obj_bytes.length;
-
- String ods_str = "/ODS ";
- byte[] ods_bytes = ods_str.getBytes("US-ASCII");
- int ods_index = ByteArrayUtils.indexOf(signed_pdf, obj_start, ods_bytes);
- int ods_start = ods_index + ods_bytes.length;
-
- String kz_str = "/ID[";
- byte[] kz_bytes = kz_str.getBytes("US-ASCII");
- int kz_index = ByteArrayUtils.indexOf(signed_pdf, obj_start, kz_bytes);
- int kz_start = kz_index + kz_bytes.length;
-
- String br_str = "/ByteRange[";
- byte[] br_bytes = br_str.getBytes("US-ASCII");
- int br_index = ByteArrayUtils.indexOf(signed_pdf, obj_start, br_bytes);
- int array_start = br_index + br_bytes.length;
-
- String enc_str = "/encodings[";
- byte[] enc_bytes = enc_str.getBytes("US-ASCII");
- int enc_index = ByteArrayUtils.indexOf(signed_pdf, obj_start, enc_bytes);
- int enc_start = enc_index + enc_bytes.length;
-
- String cert_str = "/Cert[(";
- byte[] cert_bytes = cert_str.getBytes("US-ASCII");
- int cert_index = ByteArrayUtils.indexOf(signed_pdf, obj_start, cert_bytes);
- int cert_start = cert_index + cert_bytes.length;
-
- //Timestamp
- int timestamp_index = 0;
- int timestamp_start = 0;
- if (iui.timeStamper != null) {
- String timestamp_str = "/TimeStamp[(";
- byte[] timestamp_bytes = timestamp_str.getBytes("US-ASCII");
- timestamp_index = ByteArrayUtils.indexOf(signed_pdf, obj_start, timestamp_bytes);
- timestamp_start = timestamp_index + timestamp_bytes.length;
- }
-
- replaceNumber(signed_pdf, ods_start, signed_pdf.length, num_digits);
-
-
- int cur_pos = array_start;
- int cur_br_start = 0;
-
-
- // write the /encodings byte range
- {
- int num_replaces = calcNumReps(iui.replaces);
- int num_holes = num_replaces + 1 + 1;
- // +1 = the /encodings hole
- // +1 = the /Cert
- // +1 = the /Timestamp
- if (iui.timeStamper != null) {
- num_holes += 1;
- }
-
- int enc_length = (1 + 3) * num_holes;
-
- StringInfo byte_range = new StringInfo();
- byte_range.string_start = cur_br_start;
- byte_range.string_length = enc_start;
- iui.byte_ranges.add(byte_range);
-
- replaceNumber(signed_pdf, cur_pos, byte_range.string_start, num_digits);
- cur_pos += num_digits;
- cur_pos += 1;
- replaceNumber(signed_pdf, cur_pos, byte_range.string_length, num_digits);
- cur_pos += num_digits;
- cur_pos += 1;
-
- cur_br_start = enc_start + enc_length;
-
- iui.enc_start = enc_start;
- iui.enc_length = enc_length;
- }
-
- // write the /Cert byte range
- {
- StringInfo byte_range = new StringInfo();
- byte_range.string_start = cur_br_start;
- byte_range.string_length = cert_start - cur_br_start;
- iui.byte_ranges.add(byte_range);
-
- replaceNumber(signed_pdf, cur_pos, byte_range.string_start, num_digits);
- cur_pos += num_digits;
- cur_pos += 1;
- replaceNumber(signed_pdf, cur_pos, byte_range.string_length, num_digits);
- cur_pos += num_digits;
- cur_pos += 1;
-
- cur_br_start = cert_start + iui.cert_length;
-
- iui.cert_start = cert_start;
- }
-
- // write the /Timestamp byte range
- if (iui.timeStamper != null) {
- StringInfo byte_range = new StringInfo();
- byte_range.string_start = cur_br_start;
- byte_range.string_length = timestamp_start - cur_br_start;
- iui.byte_ranges.add(byte_range);
-
- replaceNumber(signed_pdf, cur_pos, byte_range.string_start, num_digits);
- cur_pos += num_digits;
- cur_pos += 1;
- replaceNumber(signed_pdf, cur_pos, byte_range.string_length, num_digits);
- cur_pos += num_digits;
- cur_pos += 1;
-
- cur_br_start = timestamp_start + iui.timestamp_length;
-
- iui.timestamp_start = timestamp_start;
- }
-
- // determine the /Data byte ranges if any
- List ifd = iui.invisible_field_definitions;
- if (!ifd.isEmpty() || iui.invisibleKZString != null)
- {
- String data_str = "/Data[(";
- byte[] data_bytes = data_str.getBytes("US-ASCII");
- int data_index = ByteArrayUtils.indexOf(signed_pdf, obj_start, data_bytes);
- int data_start = data_index + data_bytes.length;
-
- int hole_start = data_start;
-
- if (iui.invisibleKZString != null)
- {
- StringInfo si = (StringInfo) iui.kz_list.get(0);
- si.string_start = hole_start;
-
- hole_start += si.string_length + 2;
- }
-
- for (int i = 0; i < ifd.size(); i++)
- {
- ReplaceInfo ri = (ReplaceInfo) iui.replaces.get(i);
- StringInfo si = (StringInfo) ri.replaces.get(0);
- si.string_start = hole_start;
-
- hole_start += si.string_length + 2;
- }
-
- }
-
- Iterator rit = iui.replaces.iterator();
- while (rit.hasNext())
- {
- ReplaceInfo ri = (ReplaceInfo) rit.next();
-
- // byte [] value_bytes = ri.value.getBytes("ISO-8859-1");
- // int write_pos = 0;
-
- Iterator sit = ri.replaces.iterator();
- while (sit.hasNext())
- {
- StringInfo si = (StringInfo) sit.next();
-
- StringInfo byte_range = new StringInfo();
- byte_range.string_start = cur_br_start;
- byte_range.string_length = si.string_start - cur_br_start;
- iui.byte_ranges.add(byte_range);
-
- replaceNumber(signed_pdf, cur_pos, byte_range.string_start, num_digits);
- cur_pos += num_digits;
- cur_pos += 1;
- replaceNumber(signed_pdf, cur_pos, byte_range.string_length, num_digits);
- cur_pos += num_digits;
- cur_pos += 1;
-
- cur_br_start = si.string_start + si.string_length;
- }
-
- }
-
- StringInfo byte_range = new StringInfo();
- byte_range.string_start = cur_br_start;
- byte_range.string_length = signed_pdf.length - cur_br_start;
- iui.byte_ranges.add(byte_range);
-
- replaceNumber(signed_pdf, cur_pos, byte_range.string_start, num_digits);
- cur_pos += num_digits;
- cur_pos += 1;
- replaceNumber(signed_pdf, cur_pos, byte_range.string_length, num_digits);
- cur_pos += num_digits;
- cur_pos += 1;
-
-
- // update the Kennzeichnung byte ranges
- cur_pos = kz_start;
- for (int i = 0; i < iui.kz_list.size(); i++)
- {
- StringInfo si = (StringInfo) iui.kz_list.get(i);
-
- replaceNumber(signed_pdf, cur_pos, si.string_start, num_digits);
- cur_pos += num_digits;
- cur_pos += 1;
- replaceNumber(signed_pdf, cur_pos, si.string_length, num_digits);
- cur_pos += num_digits;
- cur_pos += 1;
- }
-
- }
- catch (IOException e)
- {
- throw new PDFDocumentException(201, e);
- }
-
- }
-
- /**
- * Replaces the certificate placeholder with the certificate from the signed
- * Signature Object.
- *
- * @param iui
- * The IncrementalUpdateInformation.
- * @throws PDFDocumentException
- */
- public static void replaceCertificate(IncrementalUpdateInformation iui) throws PDFDocumentException
- {
- X509Certificate certificate = iui.signed_signature_object.getX509Certificate();
- try
- {
- byte[] der = certificate.getEncoded();
- byte[] encoded = CodingHelper.encodeBase64(der).getBytes("US-ASCII");
- byte[] escaped = Placeholder.escapePDFString(encoded);
- if (escaped.length > iui.cert_length)
- {
- throw new PlaceholderException("certificate", escaped.length - iui.cert_length);
- }
- System.arraycopy(escaped, 0, iui.signed_pdf, iui.cert_start, escaped.length);
- }
- catch (CertificateEncodingException e)
- {
- throw new PDFDocumentException(300, e);
- }
- catch (UnsupportedEncodingException e)
- {
- throw new PDFDocumentException(300, e);
- }
-
- // X509Cert cert = iui.signed_signature_object.getX509Cert();
- // // X509Certificate certificate = cert.getX509Certificate();
- // try
- // {
- // byte[] encoded = cert.getCertString().getBytes("US-ASCII"); //
- // certificate.getEncoded();
- // byte[] escaped = Placeholder.escapePDFString(encoded);
- // if (escaped.length > iui.cert_length)
- // {
- // throw new PlaceholderException("certificate", escaped.length -
- // iui.cert_length);
- // }
- // System.arraycopy(escaped, 0, iui.signed_pdf, iui.cert_start,
- // escaped.length);
- // }
- // // catch (CertificateEncodingException e)
- // // {
- // // throw new PDFDocumentException(300, e);
- // // }
- // catch (UnsupportedEncodingException e)
- // {
- // throw new PDFDocumentException(300, e);
- // }
- }
-
- /**
- * Replaces the timestam placeholder with the timestamp from the signed
- * Signature Object.
- *
- * @param iui
- * The IncrementalUpdateInformation.
- * @throws PDFDocumentException
- */
- public static void replaceTimestamp(IncrementalUpdateInformation iui) throws PDFDocumentException
- {
- String timestamp = iui.signed_signature_object.getSigTimeStamp();
- if (timestamp != null) {
- byte[] escaped = Placeholder.escapePDFString(timestamp.getBytes());
- if (escaped.length > iui.timestamp_length)
- {
- throw new PlaceholderException("timestamp", escaped.length - iui.timestamp_length);
- }
- System.arraycopy(escaped, 0, iui.signed_pdf, iui.timestamp_start, escaped.length);
- }
- }
-
- /**
- * Replaces the placeholders with values from the signed SignatureObject.
- *
- * @param iui
- * The IncrementalUpdateInformation.
- * @throws PDFDocumentException
- */
- public static void replacePlaceholders(IncrementalUpdateInformation iui) throws PDFDocumentException
- {
- final int lineBreakTolerance = getLineBreakTolerance(iui);
-
- final byte[] signed_pdf = iui.signed_pdf;
-
- // int num_replaces = calcNumReps(iui.replaces);
- // int num_holes = num_replaces + 1 + 1; // +1 = the /encodings hole; +1 =
- // the
- // /Cert
-
- int encoding_entry_index = 0;
- {// /encodings itself
- int enc_offset = iui.enc_start + encoding_entry_index * 4;
- signed_pdf[enc_offset] = '/';
- System.arraycopy(ENCODING_NIL, 0, signed_pdf, enc_offset + 1, ENCODING_NIL.length);
- encoding_entry_index++;
- }
- {// /Cert itself
- int enc_offset = iui.enc_start + encoding_entry_index * 4;
- signed_pdf[enc_offset] = '/';
- System.arraycopy(ENCODING_NIL, 0, signed_pdf, enc_offset + 1, ENCODING_NIL.length);
- encoding_entry_index++;
- }
- if (iui.signed_signature_object.getSigTimeStamp() != null)
- {// /Timestamp itself
- int enc_offset = iui.enc_start + encoding_entry_index * 4;
- signed_pdf[enc_offset] = '/';
- System.arraycopy(ENCODING_NIL, 0, signed_pdf, enc_offset + 1, ENCODING_NIL.length);
- encoding_entry_index++;
- }
-
- for (int i = 0; i < iui.replaces.size(); i++)
- {
- ReplaceInfo ri = (ReplaceInfo) iui.replaces.get(i);
-
- try
- {
- String value = ri.value;
-
- if (value == null)
- {
- value = "";
- }
-
- byte[] encoding = ENCODING_WIN;
- byte[] replace_bytes = Placeholder.applyWinAnsiEncoding(value);
-
- String restored_value = Placeholder.unapplyWinAnsiEncoding(replace_bytes);
- if (!value.equals(restored_value))
- {
- // debug:
- logger.warn("WinAnsiEncoding doesn't fit - using URL instead!");
- // /debug!
-
- replace_bytes = Placeholder.applyURLEncoding(value);
-
- encoding = ENCODING_URL;
- }
-
- for (int string_index = 0; string_index < ri.replaces.size(); string_index++)
- {
- int enc_offset = iui.enc_start + encoding_entry_index * 4;
- signed_pdf[enc_offset] = '/';
- System.arraycopy(encoding, 0, signed_pdf, enc_offset + 1, encoding.length);
- encoding_entry_index++;
- }
-
- Placeholder.replacePlaceholderWithTolerance(signed_pdf, ri.replaces, replace_bytes, lineBreakTolerance);
- }
- catch (PlaceholderException e)
- {
- throw new PlaceholderException(ri.sfd.field_name, e.getMissing());
- }
-
- }
- }
-
- /**
- * Calculates the number of actual String replaces from a given ReplaceInfo
- * list.
- * <p>
- * This is used to determine the number of actual replaces that has to be
- * carried out. Accordingly to this number, entries in the dictionary are
- * created.
- * </p>
- *
- * @param replaces
- * The ReplaceInfo list.
- * @return Returns the number of string replaces.
- */
- protected static int calcNumReps(List replaces)
- {
- int number = 0;
- Iterator it = replaces.iterator();
- while (it.hasNext())
- {
- ReplaceInfo ri = (ReplaceInfo) it.next();
- number += ri.replaces.size();
- }
- return number;
- }
-
- /**
- * Determines the List of ReplaceInfo objects of replaces in the content
- * stream regarding the given field definitions.
- *
- * <p>
- * This method collects all variable String fields in a content stream and
- * orders them according to their start offset.
- * </p>
- *
- * @param pdf
- * The PDF.
- * @param begin
- * The start of the content stream.
- * @param end
- * The end of the content stream.
- * @param field_definitions
- * The field definitions that are counceled to find out which and
- * where varaible strings are.
- * @return Returns the list of ReplaceInfo objects specifying the variable
- * areas.
- * @throws CaptionNotFoundException
- */
- protected static List determineReplacesInContentStream(final byte[] pdf, int begin, int end, List field_definitions) throws CaptionNotFoundException
- {
- List replaces = new ArrayList();
- try
- {
-
- List strings = Placeholder.parseStrings(pdf, begin, end);
-
- for (int index = 0; index < field_definitions.size(); index++)
- {
- SignatureFieldDefinition sfd = (SignatureFieldDefinition) field_definitions.get(index);
-
- if (sfd.placeholder_length > 0)
- {
- ReplaceInfo ri = new ReplaceInfo();
- ri.sfd = sfd;
- ri.replaces = new ArrayList();
-
- byte[] caption = sfd.caption.getBytes("ISO-8859-1");
-
- int caption_index = findIndex(strings, caption);
- if (caption_index < 0)
- {
- throw new CaptionNotFoundException(sfd.caption);
- }
- int start_index = skipStrings(strings, caption_index, caption);
- int next_index = findFirstNotPlaceholder(strings, start_index);
-
- for (int i = start_index; i < next_index; i++)
- {
- StringInfo si = (StringInfo) strings.get(i);
- ri.replaces.add(si);
- }
-
- replaces.add(ri);
- }
- }
- }
- catch (UnsupportedEncodingException e)
- {
- logger.error(e.getMessage(), e);
- }
-
- // sort replaces
- Collections.sort(replaces, new Comparator() {
- public int compare(Object arg0, Object arg1)
- {
- ReplaceInfo ri0 = (ReplaceInfo) arg0;
- ReplaceInfo ri1 = (ReplaceInfo) arg1;
- int start0 = ((StringInfo) ri0.replaces.get(0)).string_start;
- int start1 = ((StringInfo) ri1.replaces.get(0)).string_start;
- return start0 - start1;
- }
- });
-
- return replaces;
- }
-
- /**
- * Determines the Kennzeichnug in the content stream.
- *
- * @param pdf
- * The PDF.
- * @param begin
- * The start of the content stream.
- * @param end
- * The end of the content stream.
- * @param field_definitions
- * The field definitions.
- * @return Returns the List of StringInfo objects representing the KZ field.
- * @throws SettingNotFoundException
- * F.e.
- */
- protected static List determineKZ(final byte[] pdf, int begin, int end, List field_definitions) throws SettingNotFoundException
- {
- try
- {
- List strings = Placeholder.parseStrings(pdf, begin, end);
-
- for (int index = 0; index < field_definitions.size(); index++)
- {
- SignatureFieldDefinition sfd = (SignatureFieldDefinition) field_definitions.get(index);
-
- if (sfd.field_name.equals(SignatureTypes.SIG_KZ))
- {
- List kz_list = new ArrayList();
-
- byte[] caption = sfd.caption.getBytes("ISO-8859-1");
-
- int caption_index = findIndex(strings, caption);
- int start_index = skipStrings(strings, caption_index, caption);
-
- int end_index = -1;
- for (end_index = start_index; end_index < strings.size(); end_index++)
- {
- StringInfo si = (StringInfo) strings.get(end_index);
-
- if (startsWithCaption(si, field_definitions))
- {
- break;
- }
-
- kz_list.add(si);
- }
-
- return kz_list;
- }
- }
- }
- catch (UnsupportedEncodingException e)
- {
- logger.error(e.getMessage(), e);
- }
- throw new KZSettingNotFoundException("Field " + SignatureTypes.SIG_KZ + " not found.");
- }
-
- /**
- * Finds the index of the StringInfo within the StringInfo list that has the
- * given content (caption).
- *
- * @param strings
- * The list of StringInfos.
- * @param caption
- * The text to be matched to the strings.
- * @return Returns the index of the found string, or -1 if no string matched.
- */
- protected static int findIndex(List strings, byte[] caption)
- {
- for (int i = 0; i < strings.size(); i++)
- {
- if (isCaption(strings, i, caption))
- {
- return i;
- }
- }
- return -1;
- }
-
- protected static boolean isCaption(List strings, int index, byte[] caption)
- {
- try
- {
-
- ByteArrayOutputStream baos = new ByteArrayOutputStream();
- for (int i = index; i < strings.size(); i++)
- {
- StringInfo si = (StringInfo) strings.get(i);
- baos.write(si.copyStringBytes());
- }
- byte[] str_data = baos.toByteArray();
- byte[] unescaped = Placeholder.unescapePDFString(str_data);
- if (ByteArrayUtils.compareByteArrays(unescaped, 0, caption))
- {
- return true;
- }
- else
- {
- return false;
- }
- }
- catch (IOException e)
- {
- logger.error(e.getMessage(), e);
- return false;
- }
-
- }
-
- protected static int skipStrings(List strings, int index, byte[] caption)
- {
- int length = 0;
- for (int i = index; i < strings.size(); i++)
- {
- StringInfo si = (StringInfo) strings.get(i);
- length += si.string_length;
-
- if (length >= caption.length)
- {
- return i + 1;
- }
- }
- return -1;
- }
-
- /**
- * Tells, if the given StringInfo contains only placeholder characters.
- *
- * @param si
- * The StringInfo.
- * @param placeholder
- * The placeholder character.
- * @return Returns true, if the string contains only the given placeholder
- * characters, false otherwise.
- */
- protected static boolean isPlaceholder(StringInfo si, byte placeholder)
- {
- byte[] string_bytes = si.copyStringBytes();
- for (int i = 0; i < string_bytes.length; i++)
- {
- if (string_bytes[i] != placeholder)
- {
- return false;
- }
- }
- return true;
- }
-
- protected static boolean startsWithCaption(StringInfo si, List field_definitions)
- {
- try
- {
- for (int i = 0; i < field_definitions.size(); i++)
- {
- SignatureFieldDefinition sfd = (SignatureFieldDefinition) field_definitions.get(i);
-
- String caption = sfd.caption;
- String str = si.getString("ISO-8859-1");
-
- if (caption.startsWith(str))
- {
- return true;
- }
- }
- return false;
- }
- catch (UnsupportedEncodingException e)
- {
- logger.error(e.getMessage(), e);
- return false;
- }
- }
-
- /**
- * Finds the first string after and at the given index not being a placeholder
- * string.
- *
- * @param strings
- * The list of StringInfos.
- * @param start
- * The index where to start the search.
- * @return Returns the index of the first not placeholder string, or
- * strings.size() if no more non placeholder strings could be found.
- */
- protected static int findFirstNotPlaceholder(List strings, int start)
- {
- for (int i = start; i < strings.size(); i++)
- {
- StringInfo si = (StringInfo) strings.get(i);
- if (!isPlaceholder(si, LAYOUT_PLACEHOLDER))
- {
- return i;
- }
- }
- return strings.size();
- }
-
- /**
- * Restores the given String to its placeholder.
- *
- * @param pdf
- * The PDF.
- * @param si
- * The string.
- * @param placeholder
- * The placeholder the string should be filled with.
- */
- public static void restorePlaceholder(final byte[] pdf, StringInfo si, final byte placeholder)
- {
- byte[] ph = new byte[si.string_length];
- for (int i = 0; i < ph.length; i++)
- {
- ph[i] = placeholder;
- }
- System.arraycopy(ph, 0, pdf, si.string_start, ph.length);
- }
-
- /**
- * Reconstructs the replaces from the PDF and forms suitable value strings.
- *
- * @param pdf
- * The PDF.
- * @param brevs
- * The brevs.
- * @param sis
- * The StringInfo objects of the strings.
- * @return Returns the List of ReplaceInfo objects containing the restored
- * values.
- * @throws PDFDocumentException
- */
- public static List reconstructReplaces(final byte[] pdf, byte[][] brevs, StringInfo[] sis, byte[][] encodings) throws PDFDocumentException
- {
- try
- {
- List replaces = new ArrayList();
-
- ReplaceInfo cur_ri = null;
-
- for (int cur = 0; cur < brevs.length; cur++)
- {
- if (ByteArrayUtils.compareByteArrays(brevs[cur], 0, BREV_NIL))
- {
- continue;
- }
-
- if (cur_ri == null || !ByteArrayUtils.compareByteArrays(cur_ri.brev, 0, brevs[cur]))
- {
- if (cur >= encodings.length) {
- throw new PDFDocumentException(ErrorCode.INVALID_SIGNATURE_DICTIONARY, "Invalid EGIZ signature dictionary.");
- }
- cur_ri = new ReplaceInfo();
-
- cur_ri.replaces = new ArrayList();
-
- cur_ri.brev = brevs[cur];
- cur_ri.enc = encodings[cur];
-
- replaces.add(cur_ri);
- }
-
- cur_ri.replaces.add(sis[cur]);
- }
-
- // restore value Strings
- Iterator rit = replaces.iterator();
- while (rit.hasNext())
- {
- ReplaceInfo ri = (ReplaceInfo) rit.next();
- ri.value = Placeholder.reconstructStringFromPartition(pdf, ri.replaces, ri.enc);
-
- // System.out.println(new String(ri.brev, "US-ASCII") + ": " +
- // ri.value);
- }
-
- return replaces;
- }
- catch (IOException e)
- {
- throw new PDFDocumentException(310, e);
- }
-
- }
-
- /**
- * Reads an unsigned integer number.
- *
- * @param pdf
- * The PDF.
- * @param start_index
- * The start index of the number.
- * @param num_digits
- * The number of digits.
- * @return Returns the read number.
- */
- public static int readNumber(final byte[] pdf, final int start_index, final int num_digits)
- {
- try
- {
- byte[] n_bytes = new byte[num_digits];
- System.arraycopy(pdf, start_index, n_bytes, 0, num_digits);
- String n_string = new String(n_bytes, "US-ASCII");
-
- int n = Integer.parseInt(n_string);
- return n;
- }
- catch (UnsupportedEncodingException e)
- {
- logger.error(e.getMessage(), e);
- return -1;
- }
- }
-
- /**
- * Replaces a number by the new value.
- *
- * @param pdf
- * The PDF.
- * @param start_index
- * The start index of the number.
- * @param number
- * The new number.
- * @param num_digits
- * The number of digits.
- */
- public static void replaceNumber(final byte[] pdf, final int start_index, final int number, final int num_digits)
- {
- try
- {
- if (number < 0)
- {
- throw new IllegalArgumentException("The given number " + number + " must not be negative.");
- }
- String number_string = Integer.toString(number);
- if (number_string.length() > num_digits)
- {
- throw new IllegalArgumentException("The given number " + number + " has more than " + num_digits + " digits.");
- }
-
- int leading_zeros = num_digits - number_string.length();
- String zeros_string = "";
- for (int i = 0; i < leading_zeros; i++)
- {
- zeros_string += "0";
- }
-
- String total_string = zeros_string + number_string;
- byte[] total_bytes = total_string.getBytes("US-ASCII");
- System.arraycopy(total_bytes, 0, pdf, start_index, num_digits);
- }
- catch (UnsupportedEncodingException e)
- {
- logger.error(e.getMessage(), e);
- }
- }
-
-
- // TODO old code - remove
- // /**
- // * For debugging purposes.
- // *
- // * @param args
- // * @throws IOException
- // */
- // public static void main(String[] args) throws IOException
- // {
- // File signed_doc = new File("C:/wprinz/temp.pdf");
- //
- // PdfReader reader = new PdfReader(new FileInputStream(signed_doc));
- // PdfDictionary egiz_dict = getEgizDictFromReader(reader);
- // if (egiz_dict == null)
- // {
- // System.out.println("NO Egiz Dict");
- // return;
- // }
- //
- // String sig_text = extractSignatureTextOnly(egiz_dict);
- // System.out.println("Sig Text:");
- // System.out.println(sig_text);
- //
- // int ods = getOriginalDocumentSizeFromEgizDict(egiz_dict);
- // System.out.println("Original Document Size = " + ods);
- // }
-
-}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/BinarySignatureHolder.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/BinarySignatureHolder.java deleted file mode 100644 index 7dc49ef..0000000 --- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/BinarySignatureHolder.java +++ /dev/null @@ -1,185 +0,0 @@ -/**
- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
- * joint initiative of the Federal Chancellery Austria and Graz University of
- * Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- *
- * $Id: BinarySignatureHolder.java,v 1.1 2006/10/11 07:58:28 wprinz Exp $
- */
-package at.knowcenter.wag.egov.egiz.pdf;
-
-import java.io.Serializable;
-
-import at.gv.egiz.pdfas.impl.input.ByteArrayPdfDataSourceImpl;
-import at.gv.egiz.pdfas.framework.input.DataSource;
-import at.gv.egiz.pdfas.framework.input.PdfDataSource;
-
-import at.knowcenter.wag.egov.egiz.sig.SignatureObject;
-
-/**
- * Data structure that holds the information of one binary signature block,
- * which is the signed/signable pdf and the corresponding SignatureObject.
- *
- * <p>
- * The actual signed text is computed by Base64 encoding the binary data when
- * first requested.
- * </p>
- * <p>
- * The corresponding getters can be used to retrieve the signed document (e.g.
- * for displaying a preview).
- * </p>
- *
- * @author wprinz
- */
-public class BinarySignatureHolder implements Serializable, SignatureHolder
-{
-
- /**
- * SVUID.
- */
- private static final long serialVersionUID = -7208103904479272760L;
-
-// /**
-// * The whole pdf this holder was extracted from.
-// */
-// private byte[] signed_pdf = null;
-
- private PdfDataSource pdfDataSource = null;
-
-// /**
-// * The number of bytes that give the signed document.
-// */
-// private int signed_pdf_length = -1;
-
-// /**
-// * The signed text of this object.
-// *
-// * <p>
-// * This is the value that will be signed by the Connector.
-// * </p>
-// */
-// private String signed_text = null;
-
- /**
- * The signature object.
- */
- private SignatureObject signature_object = null;
-
-// /**
-// * Constructor that takes the pdf and the SignatureObject as parameters.
-// *
-// * @param pdf
-// * The pdf data.
-// * @param length
-// * The length (number of bytes) of the pdf data to be used for being
-// * converted into "signed text".
-// * @param so
-// * The signed signature object.
-// */
-// public BinarySignatureHolder(final byte[] pdf, final int length, SignatureObject so)
-// {
-//// this.signed_pdf = pdf;
-// this.pdfDataSource = new ByteArrayPdfDataSourceImpl(pdf);
-// // streaming byte array
-// this.signed_pdf_length = length;
-// this.signature_object = so;
-//
-//// this.signed_text = null;
-// }
-
- public BinarySignatureHolder(PdfDataSource pdf, SignatureObject so)
- {
- this.pdfDataSource = pdf;
- this.signature_object = so;
- }
-
- /**
- * @see at.knowcenter.wag.egov.egiz.pdf.SignatureHolder#getSignedText()
- */
- public String getSignedText()
- {
- throw new RuntimeException("BinarySignatureHolder must not return text.");
-// if (this.signed_text == null)
-// {
-// computeSignedText();
-// }
-// return this.signed_text;
- }
-
- /**
- * @see at.knowcenter.wag.egov.egiz.pdf.SignatureHolder#getSignatureObject()
- */
- public SignatureObject getSignatureObject()
- {
- return this.signature_object;
- }
-
- /**
- * @see at.knowcenter.wag.egov.egiz.pdf.SignatureHolder#getDataSource()
- */
- public DataSource getDataSource()
- {
- return getSignedPdf();
- }
-
-
-
- // TODO obsolete funtction - remove;
-// /**
-// * Computes or recomputes the signed text from the underlying binary data.
-// *
-// * <p>
-// * This usually encodes the binary data of given length in Base64.
-// * </p>
-// *
-// * <p>
-// * This is usually called automatically when the signed text is first
-// * requested.
-// * </p>
-// */
-// protected void computeSignedText()
-// {
-// this.signed_text = BinarySignature.retrieveSignableTextFromData(this.signed_pdf, this.signed_pdf_length);
-// }
-
-// /**
-// * Returns the signed_pdf.
-// * @return Returns the signed_pdf.
-// */
-// public byte[] getSignedPdf()
-// {
-// return this.signed_pdf;
-// }
-
- public PdfDataSource getSignedPdf ()
- {
- return this.pdfDataSource;
- }
-
-// /**
-// * Returns the signed_pdf_length.
-// * @return Returns the signed_pdf_length.
-// */
-// public int getSignedPdfLength()
-// {
-// return this.signed_pdf_length;
-// }
-
-}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/EGIZDate.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/EGIZDate.java deleted file mode 100644 index d2b29b6..0000000 --- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/EGIZDate.java +++ /dev/null @@ -1,284 +0,0 @@ -/**
- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
- * joint initiative of the Federal Chancellery Austria and Graz University of
- * Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- *
- * $Id: EGIZDate.java,v 1.1 2006/10/31 08:08:33 wprinz Exp $
- */
-package at.knowcenter.wag.egov.egiz.pdf;
-
-import java.text.ParseException;
-import java.util.Calendar;
-import java.util.Date;
-import java.util.GregorianCalendar;
-
-import org.apache.commons.lang.time.DateUtils;
-import org.apache.log4j.Logger;
-
-/**
- * Represents a signature date and the signing time as can be found in the
- * SIG_DATE field.
- *
- * <p>
- * This is used to compare date values of signatures.
- * </p>
- *
- * @author wprinz
- */
-public class EGIZDate {
-
- private static final Logger LOG = Logger.getLogger(EGIZDate.class);
-
- protected Date date = null;
-
- // TODO remove deprecated old code
-// /**
-// * The year.
-// */
-// protected int year;
-//
-// /**
-// * The month.
-// */
-// protected int month;
-//
-// /**
-// * The day.
-// */
-// protected int day;
-//
-// /**
-// * The hour.
-// */
-// protected int hour;
-//
-// /**
-// * The minute.
-// */
-// protected int minute;
-//
-// /**
-// * The second.
-// */
-// protected int second;
-//
-// /**
-// * Constructor that fills the date with values.
-// *
-// * @param year
-// * The year.
-// * @param month
-// * The month.
-// * @param day
-// * The day.
-// * @param hour
-// * The hour.
-// * @param minute
-// * The minute.
-// * @param second
-// * The second.
-// */
-// public EGIZDate(int year, int month, int day, int hour, int minute,
-// int second) {
-// this.year = year;
-// this.month = month;
-// this.day = day;
-// this.hour = hour;
-// this.minute = minute;
-// this.second = second;
-// }
-
-
- /**
- * @param date
- */
- protected EGIZDate(Date date)
- {
- this.date = date;
- }
-
- /**
- * Parses the date information from a given date value.
- *
- * <p>
- * Usually the date value is one extracted from the value of the SIG_DATE
- * field.
- * </p>
- *
- * @param date_value
- * The date value String.
- * @return Returns the parsed EGIZDate. An IllegalArgumentException is
- * thrown if the date String has an illegal format.
- */
- public static EGIZDate parseFromString(String date_value) {
- Date date = parseDateFromString(date_value);
-// Calendar calendar = new GregorianCalendar();
-// calendar.setTime(date);
-
- LOG.debug("Parsing date string \"" + date_value + "\" returns: " + date);
-
-// return new EGIZDate(calendar.get(Calendar.YEAR), calendar
-// .get(Calendar.MONTH), calendar.get(Calendar.DAY_OF_MONTH),
-// calendar.get(Calendar.HOUR), calendar.get(Calendar.MINUTE),
-// calendar.get(Calendar.SECOND));
- return new EGIZDate(date);
-
- }
-
- public static Date parseDateFromString (String date_value)
- {
- // find the according RFC standard and cite it
-
- /*
- * Pattern date_pattern =
- * Pattern.compile("^\\d\\d\\d\\d-\\d\\d-\\d\\dT\\d\\d:\\d\\d:\\d\\d(Z|((\\+|\\-)\\d\\d:\\d\\d))?$");
- * Matcher date_matcher = date_pattern.matcher(date_value); if
- * (!date_matcher.matches()) { throw new IllegalArgumentException("The
- * date_value (" + date_value + ") has an illegal format."); } // for
- * some strange reasons capture groups don't work
- *
- * int year = Integer.parseInt(date_value.substring(0, 4)); int month =
- * Integer.parseInt(date_value.substring(5, 7)); int day =
- * Integer.parseInt(date_value.substring(8, 10)); int hour =
- * Integer.parseInt(date_value.substring(11, 13)); int minute =
- * Integer.parseInt(date_value.substring(14, 16)); int second =
- * Integer.parseInt(date_value.substring(17, 19)); return new
- * EGIZDate(year, month, day, hour, minute, second);
- */
-
- String[] parsePatterns = { "yyyy-MM-dd'T'HH:mm:ss",
- "yyyy-MM-dd'T'HH:mm:ssZ", "yyyy-MM-dd'T'HH:mm:ssZZ" };
- if (date_value.length() > 19) {
- int li = date_value.lastIndexOf(":");
- if (li >= 19) {
- date_value = new StringBuffer(date_value).deleteCharAt(li).toString();
- }
- // FIXME: @iaik: wenn man bei UTC+"Z" die letzten -2 Zeichen durch "UTC" ersetzt verliert die Zeit ihre Sekunden-Einerstelle!!!!!!!
- // alter code:
-// if (date_value.endsWith("Z")) {
-// date_value = date_value.substring(0, date_value.length()-2) + "UTC";
-// }
- // neuer code:
- if (date_value.endsWith("ZZ")) {
- date_value = date_value.substring(0, date_value.length()-2) + "UTC";
- }
- if (date_value.endsWith("Z")) {
- date_value = date_value.substring(0, date_value.length()-1) + "UTC";
- }
-
- } else {
- date_value += "UTC";
- }
-
- Date date;
- try {
- date = DateUtils.parseDate(date_value, parsePatterns);
- } catch (ParseException e) {
- throw new IllegalArgumentException("The date_value (" + date_value
- + ") has an illegal format.");
- }
-
-
-// return new EGIZDate(calendar.get(Calendar.YEAR), calendar
-// .get(Calendar.MONTH), calendar.get(Calendar.DAY_OF_MONTH),
-// calendar.get(Calendar.HOUR), calendar.get(Calendar.MINUTE),
-// calendar.get(Calendar.SECOND));
-
- // fixed by tknall: really bad bug: Calendar.HOUR means hour in 12-hour-mode instead f 24-hour. !!!!
- // this leads to false comparison of two dates where one date is prior noon and one after noon.
-// return new EGIZDate(calendar.get(Calendar.YEAR), calendar
-// .get(Calendar.MONTH), calendar.get(Calendar.DAY_OF_MONTH),
-// calendar.get(Calendar.HOUR_OF_DAY), calendar.get(Calendar.MINUTE),
-// calendar.get(Calendar.SECOND));
- return date;
-
- }
-
- /**
- * @see java.lang.Object#equals(java.lang.Object)
- */
- public boolean equals(Object obj) {
- if (!(obj instanceof EGIZDate)) {
- return false;
- }
-
- EGIZDate other = (EGIZDate)obj;
- return this.date.equals(other.date);
- }
-
- /**
- * @see java.lang.Object#hashCode()
- */
- public int hashCode() {
- return this.date.hashCode();
- }
-
- /**
- * @see java.lang.Object#toString()
- */
- public String toString()
- {
- return this.date.toString();
- }
-
-
-// /**
-// * Converts the date to a long integer.
-// *
-// * <p>
-// * An earlier date is lower than a later date.
-// * </p>
-// * <p>
-// * E.g. a date in 1999 will get a smaller number than a date in 2006.
-// * </p>
-// *
-// * @return Returns the compareable long.
-// */
-// protected long toCompareableLong() {
-// return +this.year * 12 * 31 * 24 * 60 * 60 + this.month * 31 * 24 * 60
-// * 60 + this.day * 24 * 60 * 60 + this.hour * 60 * 60
-// + this.minute * 60 + this.second;
-// }
-
- /**
- * Compares this EGIZDate to another EXIZDate.
- *
- * @param other
- * The other EGIZDate.
- * @return Returns negative if this date is earlier (lower) than the other
- * date. Returns 0 if both dates are equal. Returns positive if this
- * date is later (higher) than the other date.
- */
- public int compareTo(EGIZDate other) {
- return this.date.compareTo(other.date);
-// long diff = toCompareableLong() - other.toCompareableLong();
-// return (int) diff;
- }
-
- /**
- * @return the date
- */
- public Date getDate()
- {
- return this.date;
- }
-
-}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/IncrementalUpdateInformation.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/IncrementalUpdateInformation.java deleted file mode 100644 index 3714684..0000000 --- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/IncrementalUpdateInformation.java +++ /dev/null @@ -1,252 +0,0 @@ -/**
- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
- * joint initiative of the Federal Chancellery Austria and Graz University of
- * Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- *
- * $Id: IncrementalUpdateInformation.java,v 1.2 2006/10/31 08:09:33 wprinz Exp $
- */
-package at.knowcenter.wag.egov.egiz.pdf;
-
-import java.io.IOException;
-import java.io.Serializable;
-import java.util.List;
-
-import org.apache.log4j.Logger;
-
-import at.gv.egiz.pdfas.api.analyze.NonTextObjectInfo;
-import at.gv.egiz.pdfas.api.timestamp.TimeStamper;
-import at.gv.egiz.pdfas.framework.input.PdfDataSource;
-import at.gv.egiz.pdfas.utils.PdfAUtil;
-import at.knowcenter.wag.egov.egiz.sig.SignatureData;
-import at.knowcenter.wag.egov.egiz.sig.connectors.bku.SignSignatureObject;
-
-import com.lowagie.text.pdf.PdfReader;
-
-/**
- * This parameter object contains all useful inforamtion the binary incremental
- * update methods need to create and replace a binary singature block.
- *
- * <p>
- * This class is basically used to transport information about the document from
- * the prepareSign to the finishSign of the Signator. In future, this could be
- * extended and encapsulated to task proprietary IUI instances. E.g. a
- * BinarySignatorIUI, a TextualSignatorIUI, both implementing the core IUI
- * interface, but encapsulating Binary or Textual specialities.
- * </p>
- *
- * @author wprinz
- */
-public class IncrementalUpdateInformation implements Serializable
-{
- public static final Logger log = Logger.getLogger(IncrementalUpdateInformation.class);
-
- /**
- * SVUID.
- */
- private static final long serialVersionUID = -5904526956127108035L;
-
- /**
- * The original PDF document.
- */
- //public byte[] original_document = null;
- public PdfDataSource original_document = null;
-
- /**
- * The Singature type to be created.
- */
- public String signature_type = null;
-
- /**
- * The signed pdf document.
- *
- * <p>
- * This is the original document plus the incremental update block.
- * </p>
- */
- public byte[] signed_pdf = null;
- // this is only valid during prepare
-
- // holds the variable iui data for bin sigs.
- public byte [] sign_iui_block = null;
-
- /**
- * The start index of this incremental update block.
- */
- int start_index = -1;
-
- /**
- * The indirect reference of the egiz dict.
- */
- // PdfIndirectReference egiz_dict_ir = null;
- public int egiz_dict_ir_number;
-
- public int egiz_dict_ir_generation;
-
- /**
- * The List of ReplaceInfo objects specifying the byte ranges where the
- * variable data has to be fille in.
- */
- public List replaces = null;
-
- /**
- * The List of StringInfo objects specifying the byte ranges that should
- * be/were signed.
- */
- public List byte_ranges = null;
-
- /**
- * The indirect reference of the signature x-object.
- */
- // public PdfIndirectReference temp_ir;
- public int temp_ir_number;
-
- public int temp_ir_generation;
-
- /**
- * The start index of the content stream of the signature x-object.
- */
- public int content_stream_start = -1;
-
- /**
- * The length of the content stream of the signature x-object.
- */
- public int content_stream_length = -1;
-
-// /**
-// * The document text for signing.
-// */
-// public String document_text;
- /**
- * The data to be signed or verified.
- *
- * <p>
- * For text signature this is the document text.
- * For binary signature this is the PDF document.
- * </p>
- */
- public SignatureData signature_data = null;
-
- /**
- * The SignatureObject containing the variable values after the document text
- * has been signed.
- * <p>
- * These values have to be filled in.
- * </p>
- */
- public SignSignatureObject signed_signature_object;
-
- /**
- * The start of the /encodings array.
- */
- public int enc_start = -1;
-
- /**
- * The length of the /encodings array.
- */
- public int enc_length = -1;
-
- /**
- * The start of the first /Cert
- */
- public int cert_start = -1;
-
- /**
- * The length of the /cert placeholder.
- */
- public int cert_length = -1;
-
- /**
- * The length of the /TimeStamp placeholder.
- */
- public int timestamp_length = -1;
-
- /**
- * The start of the first /Timestamp
- */
- public int timestamp_start = -1;
-
- /**
- * The list of strings of the KZ.
- */
- public List kz_list;
-
- /**
- * The table position.
- */
- public TablePos pos;
-
- /**
- * For signing: the profile.
- */
- public String signProfile;
-
- /**
- * The actual position where the table was written.
- */
- public ActualTablePos actualTablePos;
-
- /**
- * The field definitions of invisible fields, which data should be stored in /Data.
- */
- public List invisible_field_definitions;
-
- /**
- * The invisible KZ String, if KZ is invisible.
- */
- public String invisibleKZString = null;
-
- /**
- * List {@link NonTextObjectInfo} of non text objects if available (text signature only).
- *
- */
- public List nonTextObjectInfos;
-
-
- /**
- * The timestamper if any
- */
- public TimeStamper timeStamper;
-
- // dferbas
-
- public String getPdfVersion() {
- byte[] pdf_data = this.original_document.getAsByteArray();
- PdfReader reader;
- String pdfVersion = null;
- try {
- reader = new PdfReader(pdf_data);
- // is.close();
-
- byte[] metaData = reader.getMetadata();
- if (metaData != null) {
- pdfVersion = PdfAUtil.findPdfAVersion(new String(metaData));
- }
- if (pdfVersion == null) {
- pdfVersion = "PDF 1." + reader.getPdfVersion();
- }
-
- reader.close();
- } catch (IOException e) {
- log.error(e.getMessage(), e);
- }
- return pdfVersion;
- }
-}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/NoSignatureHolder.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/NoSignatureHolder.java deleted file mode 100644 index 97a6111..0000000 --- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/NoSignatureHolder.java +++ /dev/null @@ -1,84 +0,0 @@ -/**
- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
- * joint initiative of the Federal Chancellery Austria and Graz University of
- * Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- */
-package at.knowcenter.wag.egov.egiz.pdf;
-
-import java.io.Serializable;
-
-import at.gv.egiz.pdfas.framework.input.DataSource;
-import at.knowcenter.wag.egov.egiz.sig.SignatureObject;
-
-public class NoSignatureHolder implements Serializable, SignatureHolder {
-
- private static final long serialVersionUID = 1L;
-
- // # sigs before modification
- private int position;
-
- public NoSignatureHolder(int pos) {
- this.position = pos;
- }
-
- public DataSource getDataSource() {
- return null;
- }
-
- public SignatureObject getSignatureObject() {
- return null;
- }
-
- public int getPosition() {
- return this.position;
- }
-
- public int hashCode() {
- final int prime = 31;
- int result = 1;
- result = prime * result + this.position;
- return result;
- }
-
- public boolean equals(Object obj) {
-
- if (this == obj) {
- return true;
- }
-
- if (obj == null) {
- return false;
- }
-
- if (getClass() != obj.getClass()) {
- return false;
- }
-
- final NoSignatureHolder other = (NoSignatureHolder) obj;
-
- if (this.position != other.position) {
- return false;
- }
-
- return true;
- }
-
-}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/ObjectExtractor.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/ObjectExtractor.java deleted file mode 100644 index eb7377a..0000000 --- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/ObjectExtractor.java +++ /dev/null @@ -1,233 +0,0 @@ -/**
- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
- * joint initiative of the Federal Chancellery Austria and Graz University of
- * Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- */
-package at.knowcenter.wag.egov.egiz.pdf;
-
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
-
-import org.apache.log4j.Logger;
-import org.apache.pdfbox.cos.COSDictionary;
-import org.apache.pdfbox.cos.COSName;
-import org.apache.pdfbox.pdmodel.PDDocument;
-import org.apache.pdfbox.pdmodel.PDPage;
-import org.apache.pdfbox.pdmodel.PDResources;
-import org.apache.pdfbox.pdmodel.graphics.xobject.PDXObjectImage;
-import org.apache.pdfbox.pdmodel.interactive.annotation.PDAnnotation;
-
-import at.gv.egiz.pdfas.api.analyze.NonTextObjectInfo;
-import at.gv.egiz.pdfas.framework.input.PdfDataSource;
-
-/**
- * Method for object extraction from pdf documents.
- * This uses pdf-box 0.8.0, not 0.7.2. Packages org.apache.pdfbox instead org.pdfbox!
- * @author dferbas
- *
- */
-public class ObjectExtractor {
- private static Logger log = Logger.getLogger(ObjectExtractor.class);
-
- /*
- * If set <code>true</code> signature annotations are not extracted otherwise
- * all signatures except PDF-AS signatures are extracted.
- */
- private final static boolean SKIP_NON_PDFAS_SIGNATURES = false;
-
- /**
- * Find annotation objects in pdf documents
- * @param objectInfos
- * @param pageNr
- * @param page
- */
- private static void doExtractAnnotations(List objectInfos, int pageNr, PDPage page) {
- List annotations;
- try {
- annotations = page.getAnnotations();
- } catch (IOException e) {
- log.error("Error extracting annotations from pdf. No NonTextObjectInfo-annotations available.", e);
- return;
- }
- for (Iterator it = annotations.iterator(); it.hasNext();) {
- try {
- PDAnnotation anno = (PDAnnotation) it.next();
- log.debug("found annotation: " +anno);
- if (log.isTraceEnabled()) {
- log.trace("annotation def: " + dictToString(anno.getDictionary()));
- }
- String ft = anno.getDictionary().getNameAsString("FT");
- if (ft != null && ft.equals("Sig")) { // skip signature widgets
- if (SKIP_NON_PDFAS_SIGNATURES) {
- log.debug("found signature widged, skip extraction");
- continue;
- } else {
- COSDictionary sigDict = (COSDictionary) anno.getDictionary().getDictionaryObject("V");
- if (sigDict != null && AdobeSignatureHelper.ADOBE_SIG_FILTER.equals(sigDict.getNameAsString("Filter"))) {
- log.debug("found PDF-AS signature widged, skip extraction");
- continue;
- }
- }
- }
-
- NonTextObjectInfo objInfo = new NonTextObjectInfo();
- objInfo.setName(anno.getDictionary().getString( "NM" ));
- objInfo.setObjectType(NonTextObjectInfo.TYPE_ANNOTATION);
-
- String subtype = anno.getDictionary().getNameAsString("Subtype");
- String subj = anno.getDictionary().getString("Subj");
- if (subj != null) {
- subtype+= "/" + subj;
- }
- objInfo.setSubType(subtype);
-
- objInfo.setPageNr(pageNr);
- objInfo.setHeight(anno.getRectangle().getHeight());
- objInfo.setWidth(anno.getRectangle().getWidth());
- objectInfos.add(objInfo);
- } catch (Exception ex) {
- log.info("error reading non text object info key " + ex);
- }
- }
- }
-
- /**
- * Create string representation from COSDictionary
- * @param dict
- * @return
- */
- public static String dictToString(COSDictionary dict)
- {
- try {
- String retVal = "COSDictionary{";
- for (int i = 0; i<dict.size(); i++)
- {
- COSName key = (COSName)dict.keyList().get(i);
- retVal = retVal + "(" + key + ":" + dict.getItem(key) + ") ";
- }
- retVal = retVal + "}";
- return retVal;
- } catch (Exception e) {
- return "no detail available";
- }
- }
-
- /**
- * Find resources (images) in pdf documents
- * @param objectInfos
- * @param pageNr
- * @param page
- */
- private static void doExtractFromResources(List objectInfos, int pageNr, PDPage page) {
- PDResources resources = page.getResources();
-
- Map images;
- try {
- images = resources.getImages();
- } catch (IOException e) {
- log.error("Error extracting images from pdf. No NonTextObjectInfo-Images available.", e);
- return;
- }
- if (images != null) {
- Iterator imageIter = images.keySet().iterator();
- while (imageIter.hasNext()) {
- NonTextObjectInfo objInfo = new NonTextObjectInfo();
- String key = (String) imageIter.next();
- PDXObjectImage image = (PDXObjectImage) images.get(key);
-
- objInfo.setHeight(image.getHeight());
- objInfo.setWidth(image.getWidth());
- objInfo.setName(key + image.getSuffix());
- objInfo.setObjectType(NonTextObjectInfo.TYPE_IMAGE);
- objInfo.setPageNr(pageNr);
- objectInfos.add(objInfo);
- objInfo.setSubType(image.getSuffix());
-
- if (log.isDebugEnabled()) {
- log.debug("Found non text object: " + objInfo.toString());
- }
- }
- }
- }
-
- /**
- * Extract non textual data from pdf.
- *
- * @see org.pdfbox.ExtractImages
- *
- * @param document
- * @return List of {@link NonTextObjectInfo}
- */
- public static List extractNonTextInfo(PDDocument document) {
- // extraction does not work with the normalized pdf from extractTextTextual
- log.debug("going to extract non text objects");
- List objectInfos = new ArrayList();
- List pages = document.getDocumentCatalog().getAllPages();
- Iterator iter = pages.iterator();
- int pageNr = 0;
- while (iter.hasNext()) {
- pageNr++;
- PDPage page = (PDPage) iter.next();
- doExtractFromResources(objectInfos, pageNr, page);
- doExtractAnnotations(objectInfos, pageNr, page); // does not work with pdf-box 0.7.2 -> 0.8.0 needed
- }
- if (log.isDebugEnabled()) {
- log.debug("extracted non textual objects count: " + objectInfos.size());
- }
- return objectInfos;
-
- }
-
- /**
- * Extract non textual data from pdf.
- * @param pdfDataSource
- *
- * @see org.pdfbox.ExtractImages
- *
- * @return List of {@link NonTextObjectInfo}
- */
- public static List extractNonTextInfo(PdfDataSource pdfDataSource) {
-
- PDDocument doc = null;
- try {
- doc = PDDocument.load(pdfDataSource.createInputStream());
- List res = extractNonTextInfo(doc);
- doc.close();
- return res;
- } catch (IOException e) {
- log.error("Error extracting images from pdf. No NonTextObjectInfo available.", e);
- return new ArrayList();
- } finally {
- if (doc != null) {
- try {
- doc.close();
- } catch (IOException e) {
- log.error("error closing pddocument", e);
- }
- }
- }
-
- }
-
-}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFPage.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFPage.java deleted file mode 100644 index a0311da..0000000 --- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFPage.java +++ /dev/null @@ -1,377 +0,0 @@ -/**
- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
- * joint initiative of the Federal Chancellery Austria and Graz University of
- * Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- *
- * $Id: PDFPage.java,v 1.5 2006/10/31 08:09:33 wprinz Exp $
- */
-package at.knowcenter.wag.egov.egiz.pdf;
-
-import java.io.IOException;
-import java.util.List;
-import java.util.Map;
-
-import org.apache.log4j.Logger;
-import org.pdfbox.cos.COSName;
-import org.pdfbox.cos.COSStream;
-import org.pdfbox.pdmodel.PDPage;
-import org.pdfbox.pdmodel.PDResources;
-import org.pdfbox.pdmodel.common.PDStream;
-import org.pdfbox.pdmodel.graphics.xobject.PDXObject;
-import org.pdfbox.pdmodel.graphics.xobject.PDXObjectForm;
-import org.pdfbox.util.Matrix;
-import org.pdfbox.util.PDFOperator;
-import org.pdfbox.util.PDFTextStripper;
-import org.pdfbox.util.TextPosition;
-import org.pdfbox.util.operator.OperatorProcessor;
-
-import at.knowcenter.wag.egov.egiz.cfg.ConfigLogger;
-
-/**
- * PDFPage is an inner class that is used to calculate the page length of a PDF
- * Document page. It extends the PDFTextStripper class and implement one
- * interested method: {@link PDFPage#showCharacter(TextPosition)}<br>
- * This method is called when processing the FileStream. By calling the method
- * {@link org.pdfbox.util.PDFStreamEngine#processStream(org.pdfbox.pdmodel.PDPage, org.pdfbox.pdmodel.PDResources, org.pdfbox.cos.COSStream)}
- * the implemented method showCharacter is called.
- *
- * @author wlackner
- * @see PDFTextStripper
- */
-public class PDFPage extends PDFTextStripper
-{
- /**
- * The logger definition.
- */
- private static final Logger logger_ = ConfigLogger.getLogger(PDFPage.class);
-
- /**
- * The maximum (lowest) y position of a character.
- */
- protected float max_character_ypos = Float.NEGATIVE_INFINITY;
-
- /**
- * The maximum (lowest y position of an image.
- */
- protected float max_image_ypos = Float.NEGATIVE_INFINITY;
-
- /**
- * The y coordinate of the footer line. PDF elements below this footer line will not be regarded.
- */
- protected float footer_line = 0.0f;
-
- /**
- * Constructor.
- *
- * @param footer_line The y coordinate of the footer line. PDF elements below this footer line will not be regarded.
- *
- * @throws IOException
- */
- public PDFPage(float footer_line) throws IOException
- {
- super();
-
- this.footer_line = footer_line;
-
- OperatorProcessor newInvoke = new MyInvoke();
- newInvoke.setContext(this);
- operators.put("Do", newInvoke);
- }
-
-
- protected void processOperator(PDFOperator operator, List arguments) throws IOException
- {
- //logger_.debug("operator = " + operator);
-
- super.processOperator(operator, arguments);
- }
-
- // exthex
- /**
- * A method provided as an event interface to allow a subclass to perform some
- * specific functionality when a character needs to be displayed. This method
- * is used to calculate the latest position of a text in the page. Sorry for
- * this missinterpretation of the method, but it is the only way to do this
- * (provided by PDFBox)!!!
- *
- * @param text
- * the character to be displayed -> calculate there y position.
- */
- protected void showCharacter(TextPosition text)
- {
- float current_y = text.getY();
- final String character = text.getCharacter();
-
- int pageRotation = page.findRotation();
- //logger_.debug("PageRotation = " + pageRotation);
- if (pageRotation == 0)
- {
- current_y = text.getY();
- }
- if (pageRotation == 90)
- {
- current_y = text.getX();
- }
- if (pageRotation == 180)
- {
- float page_height = page.findMediaBox().getHeight();
- current_y = page_height - text.getY();
- }
- if (pageRotation == 270)
- {
- float page_height = page.findMediaBox().getHeight();
- current_y = page_height - text.getX();
- }
-
-
- if (current_y > this.footer_line)
- {
- //logger_.debug("character is below footer_line. footer_line = " + this.footer_line + ", text.character=" + character + ", y=" + current_y);
- return;
- }
-
- // store ypos of the char if it is not empty
- if (!character.equals(" ") && current_y > this.max_character_ypos)
- {
- this.max_character_ypos = current_y;
- //logger_.debug("text.character=" + character + ", y=" + current_y);
- // System.err.println(character + "|" + current_y);
- }
-
- //logger_.error("text.character=" + character + ", y=" + current_y + " max_c=" + this.max_character_ypos);
- // System.err.println(character + "|" + current_y);
- }
-
- // use this funtion getting an unsorted text output
- // public void showString(byte[] string) {
- // logger_.debug(new String(string));
- // }
-
- /**
- * Returns the calculated page length.
- *
- * @return the max page length value
- */
- public float getMaxPageLength()
- {
- float max_ypos = Float.NEGATIVE_INFINITY;
-
- if (this.max_character_ypos > this.max_image_ypos)
- {
- max_ypos = this.max_character_ypos;
- }
- else
- {
- max_ypos = this.max_image_ypos;
- }
- //logger_.error("max len=" + max_ypos);
- return max_ypos;
- }
-
- public class MyInvoke extends OperatorProcessor
- {
-
- public void process(PDFOperator operator, List arguments) throws IOException
- {
- COSName name = (COSName) arguments.get(0);
- //logger_.error("<Do name=\"" + name.getName() + "\">");
-
- // PDResources res = context.getResources();
-
- Map xobjects = context.getXObjects();
- PDXObject xobject = (PDXObject) xobjects.get(name.getName());
-
- PDStream stream = xobject.getPDStream();
- COSStream cos_stream = stream.getStream();
-
- COSName subtype = (COSName) cos_stream.getDictionaryObject(COSName.SUBTYPE);
- //logger_.error("<Do subtype name=\"" + subtype.getName() + "\">");
- if (subtype.equals(COSName.IMAGE))
- {
- //logger_.error("XObject Image");
-
- Matrix ctm = context.getGraphicsState().getCurrentTransformationMatrix();
- //logger_.debug("ctm = " + ctm);
-
- Pos [] coordinates = new Pos [] {
- new Pos(0, 0, 1),
- new Pos(1, 0, 1),
- new Pos(0, 1, 1),
- new Pos(1, 1, 1) };
-
- Pos [] transformed_coordinates = transtormCoordinates(coordinates, ctm);
-
- /**********************************************************
- * pdf-as fix:
- * calculating min and max point of an image to look where
- * the signature should be placed
- * fix solves problems with footer and images and
- * placement of the signature in an image only pdf document
- **********************************************************/
-
- float actual_lowest_point = Float.NaN;
- float actual_starting_point = Float.NaN;
-
- int pageRotation = page.findRotation();
- logger_.debug("PageRotation = " + pageRotation);
- if (pageRotation == 0)
- {
- float min_y = findMinY(transformed_coordinates);
- logger_.debug("min_y = " + min_y);
- float page_height = page.findMediaBox().getHeight();
- logger_.debug("page_height = " + page_height);
-
- actual_lowest_point = page_height - min_y;
- actual_starting_point = page_height - findMaxY(transformed_coordinates);
- }
- if (pageRotation == 90)
- {
- float max_x = findMaxX(transformed_coordinates);
- logger_.debug("max_x = " + max_x);
- float page_width = page.findMediaBox().getWidth();
- logger_.debug("page_width = " + page_width);
-
- actual_lowest_point = max_x;
- actual_starting_point = findMinX(transformed_coordinates);
- }
- if (pageRotation == 180)
- {
- float min_y = findMinY(transformed_coordinates);
- logger_.debug("min_y = " + min_y);
- float page_height = page.findMediaBox().getHeight();
- actual_lowest_point = page_height - findMaxY(transformed_coordinates);
- actual_starting_point = page_height - min_y;
- }
- if (pageRotation == 270)
- {
- float min_x = findMinX(transformed_coordinates);
- logger_.debug("min_x = " + min_x);
-
- float page_width = page.findMediaBox().getWidth();
- logger_.debug("page_width = " + page_width);
-
- actual_lowest_point = page_width - min_x;
- actual_starting_point = page_width - findMaxX(transformed_coordinates);
- }
-
-
- logger_.debug("actual_lowest_point = " + actual_lowest_point);
-
- if (actual_lowest_point > PDFPage.this.footer_line && actual_starting_point > PDFPage.this.footer_line)
- {
- logger_.debug("image is below footer_line. footer_line = " + PDFPage.this.footer_line);
- return;
- }
-
- if (actual_lowest_point > PDFPage.this.max_image_ypos)
- {
- PDFPage.this.max_image_ypos = actual_lowest_point;
- }
-
- return;
- }
-
- if (xobject instanceof PDXObjectForm)
- {
- PDXObjectForm form = (PDXObjectForm) xobject;
- COSStream invoke = (COSStream) form.getCOSObject();
- PDResources pdResources = form.getResources();
- PDPage page = context.getCurrentPage();
- if (pdResources == null)
- {
- pdResources = page.findResources();
- }
-
- getContext().processSubStream(page, pdResources, invoke);
- }
- }
- }
-
- public static Pos [] transtormCoordinates (Pos [] coordinates, Matrix m)
- {
- Pos [] transformed = new Pos [coordinates.length];
- for (int i = 0; i < coordinates.length; i++)
- {
- transformed[i] = transtormCoordinate(coordinates[i], m);
- }
- return transformed;
- }
-
- public static Pos transtormCoordinate (Pos pos, Matrix m)
- {
- Pos transformed = new Pos();
- transformed.x = pos.x * m.getValue(0, 0) + pos.y * m.getValue(1, 0) + pos.z * m.getValue(2, 0);
- transformed.y = pos.x * m.getValue(0, 1) + pos.y * m.getValue(1, 1) + pos.z * m.getValue(2, 1);
- transformed.z = pos.x * m.getValue(0, 2) + pos.y * m.getValue(1, 2) + pos.z * m.getValue(2, 2);
-
- logger_.debug(" transformed " + pos + " --> " + transformed);
- return transformed;
- }
-
- public static float findMinY (Pos [] coordinates)
- {
- float min = Float.POSITIVE_INFINITY;
- for (int i = 0; i < coordinates.length; i++)
- {
- if (coordinates[i].y < min)
- {
- min = coordinates[i].y;
- }
- }
- return min;
- }
-
- public static float findMaxY(Pos[] coordinates) {
- float max = 0;
- for (int i = 0; i < coordinates.length; i++) {
- if (coordinates[i].y > max) {
- max = coordinates[i].y;
- }
- }
- return max;
- }
-
- public static float findMaxX (Pos [] coordinates)
- {
- float max = Float.NEGATIVE_INFINITY;
- for (int i = 0; i < coordinates.length; i++)
- {
- if (coordinates[i].x > max)
- {
- max = coordinates[i].x;
- }
- }
- return max;
- }
- public static float findMinX (Pos [] coordinates)
- {
- float min = Float.POSITIVE_INFINITY;
- for (int i = 0; i < coordinates.length; i++)
- {
- if (coordinates[i].x < min)
- {
- min = coordinates[i].x;
- }
- }
- return min;
- }
-
-}
\ No newline at end of file diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFSignatureCreation.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFSignatureCreation.java deleted file mode 100644 index d6e6966..0000000 --- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFSignatureCreation.java +++ /dev/null @@ -1,176 +0,0 @@ -/**
- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
- * joint initiative of the Federal Chancellery Austria and Graz University of
- * Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- *
- * $Id: PDFSignatureCreation.java,v 1.6 2006/10/31 08:09:33 wprinz Exp $
- */
-package at.knowcenter.wag.egov.egiz.pdf;
-
-import org.apache.log4j.Level;
-import org.apache.log4j.Logger;
-
-import at.knowcenter.wag.egov.egiz.cfg.ConfigLogger;
-import at.knowcenter.wag.egov.egiz.cfg.SettingsReader;
-import at.knowcenter.wag.egov.egiz.exceptions.PDFDocumentException;
-import at.knowcenter.wag.egov.egiz.exceptions.SettingsException;
-import at.knowcenter.wag.egov.egiz.sig.SignatureObject;
-
-/**
- * This class provides wrapper methods to get an access to abstract PDF documents (PDFSignator).
- * There exists many open source libraries and commercial libraries that can implement the abstract
- * interface. <br>
- * This class is to load the corresponding implementation of an abstract PDFSignator class. Therefor
- * it seams to be a factory. The factory settings are read from the configuration file calling the
- * SettingsReader.
- *
- * @author wlackner
- * @see at.knowcenter.wag.egov.egiz.cfg.SettingsReader
- */
-public class PDFSignatureCreation {
- /**
- * The abstract signature object
- */
- private SignatureObject sigObject_ = null;
- /**
- * The abstract pdf siganture object
- */
- private PDFSignatureObject pdfSigObject_ = null;
- /**
- * The SettingsReader instance
- */
- private SettingsReader settings_ = null;
- /**
- * The factory class prefix
- */
- private final static String CLASS_PREFIX = ".PDFSignatureObject";
- /**
- * The factory class prefix of the default library
- */
- protected final static String DEFAULT_LIBRARY = "IText";
- /**
- * The settings key defined in the settings file
- *
- * @see SettingsReader
- */
- protected final static String SETTINGS_KEY = "pdf.signature.library";
- /**
- * The logger definition.
- */
- private static final Logger logger_ = ConfigLogger.getLogger(PDFSignatureCreation.class);
-
- /**
- * Load the configuration settings. Load the corresponding class implementation for the abstract
- * PDFSignature class. Init with a signature object.
- *
- * @param sigObject the native signature object
- * @throws PDFDocumentException ErrorCode:101
- */
- public PDFSignatureCreation(SignatureObject sigObject) throws PDFDocumentException {
-// try {
- loadSettings();
-// } catch (PDFDocumentException e) {
-// e.setErrorCode(101);
-// throw e;
-// }
- sigObject_ = sigObject;
- }
-
- /**
- * Load the factory implementation. This method trys to load the configured PDF library.
- *
- * @throws PDFDocumentException
- */
- private PDFSignatureObject createPDFSignatureObject() throws PDFDocumentException {
- PDFSignatureObject pdf_sig_object = null;
- String class_name = this.getClass().getPackage().getName() + getClassName();
- Class pdf_sig_obj_class = null;
- try {
- pdf_sig_obj_class = Class.forName(class_name);
- } catch (ClassNotFoundException e) {
- if (logger_.isEnabledFor(Level.FATAL)) {
- logger_.fatal("Class not found:" + class_name);
- }
- throw new PDFDocumentException(203, "Can not load pdf signator library", e);
- }
- try {
- pdf_sig_object = (PDFSignatureObject) pdf_sig_obj_class.newInstance();
- } catch (InstantiationException e) {
- if (logger_.isEnabledFor(Level.FATAL)) {
- logger_.fatal("Can not instantiate:" + class_name);
- }
- throw new PDFDocumentException(203, "Can not load pdf signator library", e);
- } catch (IllegalAccessException e) {
- if (logger_.isEnabledFor(Level.FATAL)) {
- logger_.fatal("Can not access:" + class_name);
- }
- throw new PDFDocumentException(203, "Can not load pdf signator library", e);
- }
- return pdf_sig_object;
- }
-
- /**
- * load the class settings
- *
- * @throws PDFDocumentException
- * @see SettingsReader
- */
- private void loadSettings() throws PDFDocumentException {
- if (settings_ == null) {
- try {
- settings_ = SettingsReader.getInstance();
- } catch (SettingsException e) {
- String log_message = "Can not load pdf signature settings. Cause:\n" + e.getMessage();
- logger_.error(log_message);
- throw new PDFDocumentException(101, log_message, e);
- }
- }
- }
-
- /**
- * Read the class postfix from the configuration file
- *
- * @return the full qualified class name
- */
- private String getClassName() {
- String extract_class = settings_.getSetting(SETTINGS_KEY, DEFAULT_LIBRARY);
- return CLASS_PREFIX + extract_class;
- }
-
- /**
- * Creates a new pdf signature object using the configured pdf library.
- *
- * @return a new pdf signature object
- * @throws PDFDocumentException ErrorCode:203
- */
- public PDFSignatureObject getPDFSignatureObject() throws PDFDocumentException {
- if (pdfSigObject_ == null) {
-// try {
- pdfSigObject_ = createPDFSignatureObject();
-// } catch (PDFDocumentException e) {
-// e.setErrorCode(203);
-// throw e;
-// }
- pdfSigObject_.setSignatorObject(sigObject_);
- }
- return pdfSigObject_;
- }
-}
\ No newline at end of file diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFSignatureObject.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFSignatureObject.java deleted file mode 100644 index bd5b6a3..0000000 --- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFSignatureObject.java +++ /dev/null @@ -1,56 +0,0 @@ -/**
- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
- * joint initiative of the Federal Chancellery Austria and Graz University of
- * Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- *
- * $Id: PDFSignatureObject.java,v 1.3 2006/10/31 08:09:33 wprinz Exp $
- */
-package at.knowcenter.wag.egov.egiz.pdf;
-
-import at.knowcenter.wag.egov.egiz.exceptions.PDFDocumentException;
-import at.knowcenter.wag.egov.egiz.sig.SignatureObject;
-
-/**
- * Defines an interface to get access to PDF documents. There exists many open source libraries and
- * commercial libraries.
- *
- * @author wlackner
- */
-public interface PDFSignatureObject {
- public void setSignatorObject(SignatureObject signatorObject);
-
- /**
- * Converts the current abstract signature object in a pdf signature object implementation
- *
- * @return the converted pdf signature object
- * @throws PDFDocumentException
- */
- public Object getSignatureObject() throws PDFDocumentException;
-
- /**
- * Converts a abstract signature object in a pdf signature object implementation
- *
- * @param signatorObject the abstract signatorObject to convert
- * @return the converted pdf signature object
- * @throws PDFDocumentException
- */
- public Object getSignatureObject(SignatureObject signatorObject) throws PDFDocumentException;
-}
\ No newline at end of file diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFSignatureObjectIText.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFSignatureObjectIText.java deleted file mode 100644 index 1145619..0000000 --- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFSignatureObjectIText.java +++ /dev/null @@ -1,618 +0,0 @@ -/**
- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
- * joint initiative of the Federal Chancellery Austria and Graz University of
- * Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- *
- * $Id: PDFSignatureObjectIText.java,v 1.5 2006/10/31 08:09:33 wprinz Exp $
- */
-package at.knowcenter.wag.egov.egiz.pdf;
-
-import java.io.File;
-import java.io.IOException;
-import java.net.MalformedURLException;
-import java.util.ArrayList;
-import java.util.HashMap;
-
-import org.apache.log4j.Level;
-import org.apache.log4j.Logger;
-
-import at.gv.egiz.pdfas.exceptions.ErrorCode;
-import at.knowcenter.wag.egov.egiz.cfg.ConfigLogger;
-import at.knowcenter.wag.egov.egiz.cfg.SettingsReader;
-import at.knowcenter.wag.egov.egiz.exceptions.PDFDocumentException;
-import at.knowcenter.wag.egov.egiz.exceptions.SettingsException;
-import at.knowcenter.wag.egov.egiz.sig.SignatureObject;
-import at.knowcenter.wag.egov.egiz.table.Entry;
-import at.knowcenter.wag.egov.egiz.table.Style;
-import at.knowcenter.wag.egov.egiz.table.Table;
-
-import com.lowagie.text.BadElementException;
-import com.lowagie.text.DocumentException;
-import com.lowagie.text.Element;
-import com.lowagie.text.Font;
-import com.lowagie.text.Image;
-import com.lowagie.text.Phrase;
-import com.lowagie.text.pdf.BaseFont;
-import com.lowagie.text.pdf.PdfPCell;
-import com.lowagie.text.pdf.PdfPTable;
-import com.lowagie.text.pdf.SubsetLocal;
-
-/**
- * This class is the IText implementation of the PDFSignatureObject interface.
- * The class takes an abstract definition of a signature object and convert them
- * into a pdf table that is used to sign a pdf document.
- *
- * @author wlackner
- * @see at.knowcenter.wag.egov.egiz.sig.SignatureObject
- * @see at.knowcenter.wag.egov.egiz.table.Table
- * @see at.knowcenter.wag.egov.egiz.table.Entry
- * @see at.knowcenter.wag.egov.egiz.table.Style
- * @see com.lowagie.text.pdf.PdfPTable
- * @see at.knowcenter.wag.egov.egiz.cfg.SettingsReader
- */
-public class PDFSignatureObjectIText implements PDFSignatureObject
-{
-
-// 03.11.2010 changed by exthex to allow setting separate hAlign and vAlign for value and non-value cells.
-// If no value for valuevalign or valuehalign is set the values from valign and halign are taken.
-// Also fixed a minor bug which prevented proper style inheritment (Bug Nr. #534).
-// 04.11.2010 changed by exthex - allow setting separate hAlign and vAlign for image cells analog to value cells.
-
- private static final String SIG_PDFA1_B_VALID = "SIG_PDFA1B_VALID";
-
-/**
- * The default font definition
- */
- private static Font DEFAULT_FONT = new Font(Font.HELVETICA, 8, Font.NORMAL);
-
- /**
- * The abstract signature object
- */
- private SignatureObject sigObject_ = null;
-
- /**
- * The IText pdf table object
- */
- private PdfPTable pdfSigObject_ = null;
-
- /**
- * The SettingsReader instance
- */
- private SettingsReader settings_ = null;
-
- /**
- * The logger definition.
- */
- private static final Logger logger_ = ConfigLogger.getLogger(PDFSignatureObjectIText.class);
-
- /**
- * Map the style align definitions to IText's align statements
- */
- private static HashMap alignMap_ = new HashMap();
-
- /**
- * Map the font definitions to IText's font statements
- */
- private static HashMap fontMap_ = new HashMap();
-
- /**
- * The empty constructor. It loads the ui definitions from signature tables
- * and init the align map.
- *
- * @throws PDFDocumentException
- */
- public PDFSignatureObjectIText() throws PDFDocumentException
- {
- loadSettings();
- initStyleMaps();
- }
-
- /**
- * load the class settings
- *
- * @throws PDFDocumentException
- * @see SettingsReader
- */
- private void loadSettings() throws PDFDocumentException
- {
- if (settings_ == null)
- {
- try
- {
- settings_ = SettingsReader.getInstance();
- }
- catch (SettingsException e)
- {
- String log_message = "Can not load pdf signature settings. Cause:\n" + e.getMessage();
- logger_.error(log_message);
- throw new PDFDocumentException(101, log_message, e);
- }
- }
- }
-
- /**
- * This method initialize the style maps. It maps the style style definitions
- * to IText styles.
- */
- private void initStyleMaps()
- {
- alignMap_.put(Style.TOP, new Integer(Element.ALIGN_TOP));
- alignMap_.put(Style.MIDDLE, new Integer(Element.ALIGN_MIDDLE));
- alignMap_.put(Style.BOTTOM, new Integer(Element.ALIGN_BOTTOM));
- alignMap_.put(Style.LEFT, new Integer(Element.ALIGN_LEFT));
- alignMap_.put(Style.CENTER, new Integer(Element.ALIGN_CENTER));
- alignMap_.put(Style.RIGHT, new Integer(Element.ALIGN_RIGHT));
-
- fontMap_.put(Style.HELVETICA, new Integer(Font.HELVETICA));
- fontMap_.put(Style.TIMES_ROMAN, new Integer(Font.TIMES_ROMAN));
- fontMap_.put(Style.COURIER, new Integer(Font.COURIER));
- fontMap_.put(Style.NORMAL, new Integer(Font.NORMAL));
- fontMap_.put(Style.BOLD, new Integer(Font.BOLD));
- fontMap_.put(Style.ITALIC, new Integer(Font.ITALIC));
- fontMap_.put(Style.BOLDITALIC, new Integer(Font.BOLDITALIC));
- fontMap_.put(Style.UNDERLINE, new Integer(Font.UNDERLINE));
- fontMap_.put(Style.STRIKETHRU, new Integer(Font.STRIKETHRU));
- }
-
- /**
- * Set the abstract signature definition.
- *
- * @param signatorObject
- * the abstract signator object
- * @see at.knowcenter.wag.egov.egiz.pdf.PDFSignatureObject#setSignatorObject(at.knowcenter.wag.egov.egiz.sig.SignatureObject)
- */
- public void setSignatorObject(SignatureObject signatorObject)
- {
- sigObject_ = signatorObject;
- }
-
- /**
- * This method maps the table cell definitions to the pdfCell element.
- *
- * @param pdfCell
- * the pdf cell to be styled
- * @param cellStyle
- * the abstract style definition
- * @param type
- * type of the cell to render - the appropriate style will be set
- * @see com.lowagie.text.pdf.PdfPCell
- * @see at.knowcenter.wag.egov.egiz.table.Style
- */
- private void setCellStyle(PdfPCell pdfCell, Style cellStyle, int type)
- {
- if (cellStyle != null)
- {
- if (cellStyle.getBgColor() != null)
- {
- pdfCell.setBackgroundColor(cellStyle.getBgColor());
- }
- pdfCell.setPadding(cellStyle.getPadding());
- //exthex - fix for not exactly vertically centered text
- pdfCell.setUseAscender(true);
-
- if (cellStyle.getBorder() > 0)
- {
- pdfCell.setBorderWidth(cellStyle.getBorder());
- }
- else
- {
- pdfCell.setBorder(0);
- }
- int align = -1;
- if (type == Entry.TYPE_VALUE && cellStyle.getValueVAlign() != null)
- align = ((Integer) alignMap_.get(cellStyle.getValueVAlign())).intValue();
- //Note: to change the default valign of images to those of values, change the if construct below
- else if (type == Entry.TYPE_IMAGE && cellStyle.getImageVAlign() != null)
- align = ((Integer) alignMap_.get(cellStyle.getImageVAlign())).intValue();
- else if (cellStyle.getVAlign() != null)
- align = ((Integer) alignMap_.get(cellStyle.getVAlign())).intValue();
- if (align != -1)
- pdfCell.setVerticalAlignment(align);
-
- align = -1;
- if (type == Entry.TYPE_VALUE && cellStyle.getValueHAlign() != null)
- align = ((Integer) alignMap_.get(cellStyle.getValueHAlign())).intValue();
- //Note: to change the default halign of images to those of values, change the if construct below
- else if (type == Entry.TYPE_IMAGE && cellStyle.getImageHAlign() != null)
- align = ((Integer) alignMap_.get(cellStyle.getImageHAlign())).intValue();
- else if (cellStyle.getHAlign() != null)
- align = ((Integer) alignMap_.get(cellStyle.getHAlign())).intValue();
- if (align != -1)
- pdfCell.setHorizontalAlignment(align);
- }
- }
-
- /**
- * This method maps the cell font definition to the iText Font Object
- *
- * @param fontString
- * @return the corresponding iText Font Object
- * @see com.lowagie.text.Font
- */
- private Font getCellFont(String fontString)
- {
- Font font = DEFAULT_FONT;
- if (fontString == null)
- {
- return font;
- }
- Object cache_font = fontMap_.get(fontString);
- if (cache_font != null)
- {
- return (Font) cache_font;
- }
- String[] font_arr = fontString.split(",");
- if (font_arr.length != 3)
- {
- return font;
- }
- Object font_face = fontMap_.get(font_arr[0]);
- if (font_face == null)
- {
- return font;
- }
- Object font_weight = fontMap_.get(font_arr[2]);
- if (font_weight == null)
- {
- return font;
- }
- int face = ((Integer) font_face).intValue();
- float height = Float.parseFloat(font_arr[1]);
- int weight = ((Integer) font_weight).intValue();
-
- font = new Font(face, height, weight);
- fontMap_.put(fontString, font);
- return font;
- }
-
- /**
- * Creates a custom
- * @param fontString
- * @return
- * @throws PDFDocumentException
- */
- private Font getCellTrueTypeFont(String fontString) throws PDFDocumentException {
- float fontSize=8;
- String fontName = fontString.replaceFirst("TTF:", "");
- String[] split = fontName.split(",");
- if(split.length>1)
- {
- fontName = split[0].trim();
- try
- {
- fontSize = Float.parseFloat(split[1].trim());
- }catch (NumberFormatException e)
- {
- logger_.error("Unable to parse fontsize:"+fontString);
- }
- }
- logger_.debug("TrueType Font detected:"+fontName +" ("+fontSize+")");
-
- try {
- Font font = (Font) fontMap_.get(fontString);
-
- if (font == null) {
- logger_.debug("Font \"" + fontString + "\" not in cache. Instantiating font.");
- String fontPath = SettingsReader.RESOURCES_PATH + "fonts" + File.separator + fontName;
- logger_.debug("Instantiating \"" + fontPath + "\".");
-
- font = new Font(BaseFont.createFont(fontPath, BaseFont.WINANSI, true), fontSize);
- fontMap_.put(fontString, font);
- }
- return font;
- } catch (DocumentException e) {
- throw new PDFDocumentException(ErrorCode.FONT_NOT_FOUND, e.getMessage());
- } catch (IOException e) {
- throw new PDFDocumentException(ErrorCode.FONT_NOT_FOUND, e.getMessage());
- }
- }
-
- /**
- * This method visualize an abstract table cell into a corresponding pdf table
- * cell. The new pdf table cell is redered and get the style information from
- * the abstract cell. Following types can be rendered:
- * <ul>
- * <li>text statements</li>
- * <li>images</li>
- * <li>tables</li>
- * </ul>
- *
- * @param abstractCell
- * the abstract cell definition
- * @return the new redererd pdf table cell
- * @throws PDFDocumentException
- * ErrorCode:220, 221, 222
- * @see com.lowagie.text.pdf.PdfPCell
- * @see at.knowcenter.wag.egov.egiz.table.Entry
- */
- private PdfPCell renderCell(Entry abstractCell) throws PDFDocumentException
- {
- boolean pdfaValid =false;
- try
- {
- String profileid = sigObject_.getSignatureTypeDefinition().getType();
- String pdfa = SettingsReader.getInstance().getSetting("sig_obj." +profileid+".key."+SIG_PDFA1_B_VALID, "default."+SIG_PDFA1_B_VALID, "false");
- pdfaValid= "true".equalsIgnoreCase(pdfa);
-
-// exthex test
- //SubsetLocal.set(!pdfaValid);
-
-// boolean forceSubset = true; // get this from config, default to false
- //String
-
- //SubsetLocal.set(true); // exthex
-
- logger_.trace("Sign PDF/A compliant:"+pdfa);
- } catch (SettingsException e1)
- {
- logger_.error(e1);
- }
-
- PdfPCell pdf_cell = null;
- Style cell_style = abstractCell.getStyle();
- boolean isValue = true;
- switch (abstractCell.getType())
- {
- case Entry.TYPE_CAPTION:
- isValue = false;
- case Entry.TYPE_VALUE:
- String text = (String) abstractCell.getValue();
- if (text == null)
- {
- text = "";
- }
- String font_string = cell_style.getFont();
- if (abstractCell.getType() == Entry.TYPE_VALUE && cell_style.getValueFont() != null)
- {
- font_string = cell_style.getValueFont();
- }
-
- logger_.trace("using cell font: "+font_string);
-
- Font cell_font;
- if(font_string.startsWith("TTF:"))
- {
- cell_font = getCellTrueTypeFont(font_string);
- }
- else
- {
- if (pdfaValid) {
- throw new PDFDocumentException(ErrorCode.NO_EMBEDABLE_TTF_CONFIGURED_FOR_PDFA, "PDF/A modus requires an embedable true type font");
- }
- cell_font = getCellFont(font_string);
-
- }
- // exthex
- if (pdfaValid && abstractCell.getType() == Entry.TYPE_VALUE) {
- SubsetLocal.addNonSubsetFont(cell_font.getBaseFont());
- }
- Phrase text_phrase = new Phrase(text, cell_font);
- pdf_cell = new PdfPCell(text_phrase);
- setCellStyle(pdf_cell, cell_style, (isValue?Entry.TYPE_VALUE:Entry.TYPE_CAPTION));
- break;
- case Entry.TYPE_IMAGE:
- try
- {
- String img_ref = (String) abstractCell.getValue();
- // fixed by tknall start
- File img_file = new File(img_ref);
- if (!img_file.isAbsolute()) {
- logger_.debug("Image file declaration is relative. Prepending path of resources directory.");
- img_file = new File(SettingsReader.relocateFile(img_ref));
- } else {
- logger_.debug("Image file declaration is absolute. Skipping file relocation.");
- }
-// String img_location = SettingsReader.relocateFile(img_ref);
-// File img_file = new File (img_location);
- if (!img_file.exists())
- {
- logger_.debug("Image file \"" + img_file.getCanonicalPath() + "\" doesn't exist.");
- throw new PDFDocumentException(220, "Image file \"" + img_file.getCanonicalPath() + "\" doesn't exist.");
- }
- Image image = Image.getInstance(img_file.getCanonicalPath());
- logger_.debug("Using image file \"" + img_file.getCanonicalPath() + "\".");
-
- image.scaleToFit(80.0f, 80.0f);
- boolean fit = true;
- Style.ImageScaleToFit istf = cell_style.getImageScaleToFit();
- if (istf != null)
- {
- image.scaleToFit(istf.getWidth(), istf.getHeight());
- fit = false;
- }
- pdf_cell = new PdfPCell(image, fit);
- setCellStyle(pdf_cell, cell_style, Entry.TYPE_IMAGE);
- }
- catch (BadElementException e)
- {
- if (logger_.isEnabledFor(Level.ERROR))
- {
- logger_.error("BadElementException:" + e.getMessage());
- }
- PDFDocumentException pde = new PDFDocumentException(220, "PDF table can not created");
- throw pde;
- }
- catch (MalformedURLException e)
- {
- if (logger_.isEnabledFor(Level.ERROR))
- {
- logger_.error("MalformedURLException:" + e.getMessage());
- }
- PDFDocumentException pde = new PDFDocumentException(221, "PDF table can not created");
- throw pde;
- }
- catch (IOException e)
- {
- if (logger_.isEnabledFor(Level.ERROR))
- {
- logger_.error("Error Code: 222, IOException:" + e.getMessage());
- }
- PDFDocumentException pde = new PDFDocumentException(222, "PDF table can not created: Image can not loaded");
- throw pde;
- }
- break;
- case Entry.TYPE_TABLE:
- Table table = (Table) abstractCell.getValue();
- // inherit the style from the parent table
- Style inherit_style = Style.doInherit(table.getStyle(), cell_style);
- table.setStyle(inherit_style);
- PdfPTable pdf_table = renderTable(table);
- pdf_cell = new PdfPCell(pdf_table);
- // The default new PdfPCell has a default border of 15.
- // For blocks without border and subtables this results
- // in a border to be drawn around the cell.
- // ==> no border on default
- pdf_cell.setBorder(0);
- break;
- }
- return pdf_cell;
- }
-
- /**
- * This method visualize an abstract table into a corresponding pdf table. The
- * new pdf table is redered and get the style information from the abstract
- * cell.
- *
- * @param abstractTable
- * the abstract table definition
- * @return the new redererd pdf table cell
- * @throws PDFDocumentException
- * ErrorCode:220, 221, 222, 223
- * @see com.lowagie.text.pdf.PdfPTable
- * @see at.knowcenter.wag.egov.egiz.table.Table
- */
- private PdfPTable renderTable(Table abstractTable) throws PDFDocumentException
- {
- if (abstractTable == null)
- {
- PDFDocumentException pde = new PDFDocumentException(223, "Table is not defined.");
- throw pde;
- }
- PdfPTable pdf_table = null;
- float[] cols = abstractTable.getColsRelativeWith();
- int max_cols = abstractTable.getMaxCols();
- if (cols == null)
- {
- cols = new float[max_cols];
- // set the column ratio for all columns to 1
- for (int cols_idx = 0; cols_idx < cols.length; cols_idx++)
- {
- cols[cols_idx] = 1;
- }
- }
- pdf_table = new PdfPTable(cols);
- pdf_table.setWidthPercentage(abstractTable.getWidth());
- Style table_style = abstractTable.getStyle();
- setCellStyle(pdf_table.getDefaultCell(), table_style, Entry.TYPE_TABLE);
-
- ArrayList rows = abstractTable.getRows();
- for (int row_idx = 0; row_idx < rows.size(); row_idx++)
- {
- ArrayList row = (ArrayList) rows.get(row_idx);
- // logger_.debug("## Row:" + row_idx + " ## of table:" +
- // abstractTable.getName());
- for (int entry_idx = 0; entry_idx < row.size(); entry_idx++)
- {
- Entry cell = (Entry) row.get(entry_idx);
- // 03.11.2010 changed by exthex - swapped the two params, was probably a bug
- Style inherit_style = Style.doInherit(table_style, cell.getStyle());
- cell.setStyle(inherit_style);
- // logger_.debug(cell.toString());
- PdfPCell pdf_cell = renderCell(cell);
- if (cell.getColSpan() > 1)
- {
- pdf_cell.setColspan(cell.getColSpan());
- }
- if (cell.isNoWrap())
- {
- pdf_cell.setNoWrap(true);
- }
- // System.err.println("valign:" + pdf_cell.getVerticalAlignment() + "
- // halign:" +
- // pdf_cell.getHorizontalAlignment());
- pdf_table.addCell(pdf_cell);
- }
- }
- // logger_.debug("render table:" + abstractTable.getName());
- return pdf_table;
- }
-
- /**
- * This method creates the pdf table object. It takes the abstract table
- * definition from the signature object and render the abstract table.
- *
- * @param sigObject
- * the signature object, the base for the abstract table definition
- * @return R
- * @throws PDFDocumentException
- * ErrorCode:220, 221, 222, 223
- */
- private PdfPTable createPDFSignatureObject(SignatureObject sigObject) throws PDFDocumentException
- {
- SubsetLocal.clear();
- Table table = sigObject.getAbstractTable();
- PdfPTable pdf_table = renderTable(table);
- return pdf_table;
- }
-
- /*
- * This method search for the table definitions in the settings file an init
- * @param sigObject
- */
- /*
- * private void initTableSettings(SignatureObject sigObject) { String sig_type =
- * sigObject.getSignationType(); String table_key = SignatureObject.SIG_OBJ +
- * sig_type + ".table."; ArrayList main_rows = settings_.getKeys(table_key +
- * "main"); }
- */
-
- /**
- * Converts the current abstract signature object in a pdf signature object
- * implementation
- *
- * @return the converted pdf signature object
- * @see at.knowcenter.wag.egov.egiz.pdf.PDFSignatureObject#getSignatureObject()
- */
- public Object getSignatureObject() throws PDFDocumentException
- {
- if (pdfSigObject_ == null)
- {
- pdfSigObject_ = (PdfPTable) getSignatureObject(sigObject_);
- }
- return pdfSigObject_;
- }
-
- /**
- * Converts a abstract signature object in a pdf signature object
- * implementation
- *
- * @param sigObject
- * the abstract signatorObject to convert
- * @return the converted pdf signature object
- * @throws PDFDocumentException
- * @see at.knowcenter.wag.egov.egiz.pdf.PDFSignatureObject#getSignatureObject(at.knowcenter.wag.egov.egiz.sig.SignatureObject)
- */
- public Object getSignatureObject(SignatureObject sigObject) throws PDFDocumentException
- {
- // initTableSettings(sigObject);
- return createPDFSignatureObject(sigObject);
- }
-}
\ No newline at end of file diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFUtilities.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFUtilities.java deleted file mode 100644 index e2a3d06..0000000 --- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFUtilities.java +++ /dev/null @@ -1,148 +0,0 @@ -/**
- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
- * joint initiative of the Federal Chancellery Austria and Graz University of
- * Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- *
- * $Id: PDFUtilities.java,v 1.3 2006/10/31 08:09:33 wprinz Exp $
- */
-package at.knowcenter.wag.egov.egiz.pdf;
-
-import java.io.ByteArrayInputStream;
-import java.io.File;
-import java.io.IOException;
-import java.util.List;
-
-import at.gv.egiz.pdfas.framework.input.PdfDataSource;
-import at.gv.egiz.pdfas.impl.input.ByteArrayPdfDataSourceImpl;
-
-import org.pdfbox.pdfparser.PDFParser;
-import org.pdfbox.pdmodel.PDDocument;
-import org.pdfbox.pdmodel.PDPage;
-
-import at.knowcenter.wag.egov.egiz.cfg.SettingsReader;
-import at.knowcenter.wag.egov.egiz.exceptions.PDFDocumentException;
-
-import com.lowagie.text.DocumentException;
-
-/**
- * Contains useful helpers for accessing PDF documents.
- *
- * @author wprinz
- * @author mruhmer
- */
-public abstract class PDFUtilities
-{
- public static float calculatePageLength(final PdfDataSource pdfDataSource,int page ,float footer_line, int pagerotation) throws PDFDocumentException
- {
- try
- {
- //ByteArrayInputStream original_bais = new ByteArrayInputStream(pdf);
- //byte [] normalized_pdf = TextualSignature.normalizePDF(original_bais);
- byte [] normalized_pdf = TextualSignature.normalizePDF(pdfDataSource);
-
- // PERF: The whole PDF normalization process is costy
- ByteArrayInputStream bais = new ByteArrayInputStream(normalized_pdf);
-
- PDFParser parser = new PDFParser(bais);
- File temporary_dir = SettingsReader.getTemporaryDirectory();
- parser.setTempDirectory(temporary_dir);
- parser.parse();
-
- PDDocument pdfDocument_ = parser.getPDDocument();
- float page_length = calculatePageLength(pdfDocument_,page , footer_line, pagerotation);
- pdfDocument_.close();
- return page_length;
- }
- catch (IOException e)
- {
- throw new PDFDocumentException(201, e);
- }
- catch (DocumentException e)
- {
- throw new PDFDocumentException(201, e);
- }
- }
- public static float calculatePageLength(PDDocument document,int page ,float footer_line, int pagerotation) throws IOException
- {
- //int last_page_id = document.getNumberOfPages();
- List allPages = document.getDocumentCatalog().getAllPages();
- PDPage pdpage = (PDPage) allPages.get(page);
- pdpage.setRotation(pagerotation);
- return calculatePageLength(pdpage, footer_line);
- }
-
- /**
- * @deprecated
- * @param pdf
- * @param footer_line
- * @return
- * @throws PDFDocumentException
- */
- public static float calculateLastPageLength(final byte[] pdf, float footer_line) throws PDFDocumentException
- {
- try
- {
- //ByteArrayInputStream original_bais = new ByteArrayInputStream(pdf);
- PdfDataSource dataSource = new ByteArrayPdfDataSourceImpl(pdf);
- byte [] normalized_pdf = TextualSignature.normalizePDF(dataSource);
-
- ByteArrayInputStream bais = new ByteArrayInputStream(normalized_pdf);
-
- PDFParser parser = new PDFParser(bais);
- File temporary_dir = SettingsReader.getTemporaryDirectory();
- parser.setTempDirectory(temporary_dir);
- parser.parse();
-
- PDDocument pdfDocument_ = parser.getPDDocument();
- float last_page_length = calculateLastPageLength(pdfDocument_, footer_line);
- pdfDocument_.close();
-
- return last_page_length;
- }
- catch (IOException e)
- {
- throw new PDFDocumentException(201, e);
- }
- catch (DocumentException e)
- {
- throw new PDFDocumentException(201, e);
- }
- }
-
- public static float calculateLastPageLength(PDDocument document, float footer_line) throws IOException
- {
- int last_page_id = document.getNumberOfPages();
- List allPages = document.getDocumentCatalog().getAllPages();
- PDPage last_page = (PDPage) allPages.get(last_page_id - 1);
-
- return calculatePageLength(last_page, footer_line);
- }
-
- public static float calculatePageLength(PDPage page, float footer_line) throws IOException
- {
- // logger_.debug("Last Page id:" + last_page_id);
- // PDPage last_page = (PDPage) allPages.get(0);
- PDFPage my_page = new PDFPage(footer_line);
- my_page.processStream(page, page.findResources(), page.getContents().getStream());
- return my_page.getMaxPageLength();
- }
-
-}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/Placeholder.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/Placeholder.java deleted file mode 100644 index 9249985..0000000 --- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/Placeholder.java +++ /dev/null @@ -1,572 +0,0 @@ -/**
- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
- * joint initiative of the Federal Chancellery Austria and Graz University of
- * Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- *
- * $Id: Placeholder.java,v 1.5 2006/10/31 08:17:50 wprinz Exp $
- */
-package at.knowcenter.wag.egov.egiz.pdf;
-
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.UnsupportedEncodingException;
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-
-import javax.sound.midi.SysexMessage;
-
-import org.apache.commons.codec.net.URLCodec;
-import org.apache.log4j.Logger;
-
-import at.knowcenter.wag.egov.egiz.cfg.ConfigLogger;
-import at.knowcenter.wag.egov.egiz.exceptions.PDFDocumentException;
-import at.knowcenter.wag.egov.egiz.exceptions.PlaceholderException;
-import at.knowcenter.wag.exactparser.ByteArrayUtils;
-
-/**
- * Helper class that provides functionality for dealing with placeholders and
- * replacements in pdf.
- *
- * @author wprinz
- */
-public abstract class Placeholder
-{
- /**
- * The logger definition.
- */
- private static final Logger logger_ = ConfigLogger.getLogger(Placeholder.class);
-
- /**
- * Escapes the String to be a suitable Literal String..
- *
- * @param data
- * The String to be escaped.
- * @return Returns the escaped PDF String.
- */
- public static byte[] escapePDFString(byte[] data)
- {
- try
- {
- ByteArrayOutputStream baos = new ByteArrayOutputStream();
- for (int i = 0; i < data.length; i++)
- {
- byte[] escaped_bytes = escapeByte(data[i]);
- baos.write(escaped_bytes);
- }
- return baos.toByteArray();
- }
- catch (IOException e)
- {
- logger_.error(e.getMessage(), e);
- return null;
- }
- }
-
- /**
- * Unescapes the PDF String.
- *
- * @param data
- * The escaped String.
- * @return Returns the unescaped String.
- */
- public static byte[] unescapePDFString(byte[] data)
- {
- ByteArrayOutputStream baos = new ByteArrayOutputStream();
- for (int i = 0; i < data.length; i++)
- {
- if (data[i] == '\\' && data[i + 1] == '\\')
- {
- baos.write('\\');
- i++;
- continue;
- }
- if (data[i] == '\\' && data[i + 1] == '(')
-
- {
- baos.write('(');
- i++;
- continue;
- }
- if (data[i] == '\\' && data[i + 1] == ')')
- {
- baos.write(')');
- i++;
- continue;
- }
- baos.write(data[i]);
- }
- return baos.toByteArray();
- }
-
- /**
- * Reconstructs the string from a partition of placeholders.
- *
- * @param pdf
- * The PDF to read the string from.
- * @param sis
- * The list of StringInfo objects that specify the bytes of the
- * string in the pdf.
- * @return Returns the extracted and reconverted string.
- * @throws IOException
- * Forwarded exception.
- */
- public static String reconstructStringFromPartition(byte[] pdf, List sis,
- byte[] enc) throws IOException
- {
- ByteArrayOutputStream baos = new ByteArrayOutputStream();
-
- Iterator it = sis.iterator();
- while (it.hasNext())
- {
- StringInfo si = (StringInfo) it.next();
-
- for (int i = si.string_start; i < si.string_start + si.string_length; i++)
- {
- if (pdf[i] != 0)
- {
- baos.write(pdf[i]);
- }
- }
- }
-
- baos.close();
- byte[] bytes = baos.toByteArray();
-
- byte[] unescaped_bytes = unescapePDFString(bytes);
-
- if (!ByteArrayUtils.compareByteArrays(enc, 0, BinarySignature.ENCODING_WIN) && !ByteArrayUtils.compareByteArrays(enc, 0, BinarySignature.ENCODING_URL))
- {
- String enc_str = new String(enc, "US-ASCII");
- logger_.warn("The encoding " + enc_str + " is not known by this application - trying to proceed anyways.");
- }
-
- String text = new String(unescaped_bytes, "windows-1252");
-
- String str = text;
- if (ByteArrayUtils.compareByteArrays(enc, 0, BinarySignature.ENCODING_URL))
- {
- str = unapplyURLEncoding(str);
- }
-
- return str;
- }
-
- /**
- * Prepares the given String to a byte array that can be substituted into the
- * placeholder.
- *
- * @param text
- * The text to be prepared for substitution.
- * @return Returns the prepared byte array.
- */
- public static byte[] applyWinAnsiEncoding(String text)
- {
- // text = text.replace("\\", "\\\\");
- // text = text.replace("(", "\\(");
- // text = text.replace(")", "\\)");
-
- byte[] replace_bytes;
- try
- {
- replace_bytes = text.getBytes("windows-1252");// CP1252 = WinAnsiEncoding
-
- // test the opposite way:
- // String restored_string = new String (replace_bytes, "windows-1252");
- // if (!restored_string.equals(text))
- // {
- // String url_encoded = URLEncoder.encode(text);
- // replace_bytes = url_encoded.getBytes("windows-1252");
- // }
- }
- catch (UnsupportedEncodingException e)
- {
- logger_.error(e.getMessage(), e);
- return null;
- }
- return replace_bytes;
- }
-
- /**
- * Unapplies the WinAnsi encoding.
- *
- * @param replace_bytes
- * The bytes.
- * @return Returns the decoded String.
- */
- public static String unapplyWinAnsiEncoding(byte[] replace_bytes)
- {
- try
- {
- String text = new String(replace_bytes, "windows-1252");
-
- return text;
- }
- catch (UnsupportedEncodingException e)
- {
- logger_.error(e.getMessage(), e);
- return null;
- }
-
- }
-
- /**
- * Applies the URL encoding to the text.
- *
- * @param text
- * The text
- * @return Returns the URL and WinAnsi encoded text.
- */
- public static byte[] applyURLEncoding(String text)
- {
- URLCodec utf8_url_codec = new URLCodec("UTF-8");
- String url_encoded = null;
- try
- {
- url_encoded = utf8_url_codec.encode(text, "UTF-8");
- }
- catch (UnsupportedEncodingException e)
- {
- throw new RuntimeException("Couldn't url encode : " + text, e);
- }
- // String url_encoded = URLEncoder.encode(text);
- return applyWinAnsiEncoding(url_encoded);
- }
-
- /**
- * Unapplies the WinAnsi and URL encoding.
- *
- * @param winansi_str
- * The Winansi and URL text.
- * @return Returns the decoded text.
- */
- public static String unapplyURLEncoding(String winansi_str)
- {
- URLCodec utf8_url_codec = new URLCodec("UTF-8");
- String url_decoded = null;
- try
- {
- url_decoded = utf8_url_codec.decode(winansi_str, "UTF-8");
- }
- catch (Exception e)
- {
- throw new RuntimeException("Couldn't url decode : " + winansi_str, e);
- }
- // String url_decoded = URLDecoder.decode(winansi_str);
- return url_decoded;
- }
-
- /**
- * Restores the String from a previously prepared byte array.
- *
- * @param pdf_string
- * The byte array.
- * @return Returns the unprepared String.
- */
- public static String unprepareAndUnescapeString(byte[] pdf_string)
- {
- try
- {
- String text = new String(pdf_string, "windows-1252");
-
- // This makes problems when "+" appears.
- // if (isURLEncoded(text))
- // {
- // text = URLDecoder.decode(text);
- // }
-
-// text = text.replace("\\)", ")");
-// text = text.replace("\\(", "(");
-// text = text.replace("\\\\", "\\");
-
- // TODO: replace jdk1.5-code with jdf1.4-code (should be tested)
- /* */
- text = text.replaceAll("\\\\\\)", ")");
- text = text.replaceAll("\\\\\\(", "(");
- text = text.replaceAll("\\\\\\\\", "\\\\");
-
-
- return text;
- }
- catch (UnsupportedEncodingException e)
- {
- logger_.error(e.getMessage(), e);
- return null;
- }
- }
-
- /**
- * Checks the presence of typical URL encoded characters to tell if the string
- * is URL encoded.
- *
- * <p>
- * This heuristic checks if there are any non URL encoded characters in the
- * String, like ASCII control characters, which aren't allowed in the
- * URLEncoding characterset.
- * </p>
- *
- * @param text
- * The text under suspicion.
- * @return Returns true if the String is URL encoded, false otherwise.
- */
- protected static boolean isURLEncoded(String text)
- {
- if (text.indexOf(' ') >= 0)
- {
- return false;
- }
- for (int i = 0; i < text.length(); i++)
- {
- char c = text.charAt(i);
- if (0x00 <= c && c <= 0x1f)
- {
- return false;
- }
- if (c == 0x7F)
- {
- return false;
- }
- if (0x80 <= c)
- {
- return false;
- }
- }
- return true;
- }
-
- /**
- * Tells, if a break can occur behind the given character.
- *
- * @param character
- * The character.
- * @return Returns true, if a break may occur behind the character, false
- * otherwise.
- */
- protected static boolean canBreakAfter(byte character)
- {
- return (character == ' ' || character == '.' || character == ',' || character == ';' || character == '-' || character == '\n') ;
- }
-
- /**
- * Scans the given PDF content stream for literal PDF strings.
- *
- * @param pdf
- * The PDF.
- * @param stream_start
- * The start of the content stream to be scanned.
- * @param stream_next
- * The end of the content stream.
- * @return Returns a list of StringInfo objects specifying the strings that
- * could be found.
- */
- public static List parseStrings(byte[] pdf, int stream_start, int stream_next)
- {
- List strings = new ArrayList();
- StringInfo cur_string = null;
- for (int i = stream_start; i < stream_next; i++)
- {
- byte cur_byte = pdf[i];
-
- if (cur_byte == '(' && pdf[i - 1] != '\\')
- {
- cur_string = new StringInfo();
- cur_string.pdf = pdf;
- cur_string.string_start = i + 1;
- cur_string.string_length = -1;
- // logger_.debug("String start = " + cur_string.string_start);
- continue;
- }
- if (cur_byte == ')' && pdf[i - 1] != '\\')
- {
- cur_string.string_length = i - cur_string.string_start;
- // logger_.debug("String length = " + cur_string.string_length);
- strings.add(cur_string);
-
- cur_string = null;
- continue;
- }
- }
-
- return strings;
- }
-
- /**
- * Escapes the data byte if necessary.
- *
- * <p>
- * Before bytes can be written into the pdf Strings, they have to be escaped.
- * Special care has to be taken that escaped sequences are not split due to
- * line breaks. This could have fatal consequences and usually renders the
- * whole document invalid.
- * </p>
- *
- * @param data
- * The data byte to be escaped.
- * @return Returns a new byte array escaping the data byte. If the byte needs
- * not to be escaped, this new array will contain only the original
- * data byte.
- */
- public static byte[] escapeByte(byte data)
- {
- if (data == '\\')
- {
- return new byte[] { '\\', '\\' };
- }
- if (data == '(')
- {
- return new byte[] { '\\', '(' };
- }
- if (data == ')')
- {
- return new byte[] { '\\', ')' };
- }
- return new byte[] { data };
- }
-
- /**
- * Replaces the placeholder with the given String breaking lines with a given
- * tolerance.
- *
- * @param pdf
- * The PDF.
- * @param sis
- * The list of StringInfo objects describing the positions where the
- * String should be filled in.
- * @param replace_bytes
- * The unescaped bytes to be filled in. Escaping is performed by this
- * method.
- * @param tolerance
- * The tolerance for line wrapping. The tolerance counts from the end
- * of a StringInfo backwards to its start. If a word that starts
- * within the tolerance doesn't fit, it is wrapped into the next
- * line.
- * @throws PDFDocumentException
- * Forwarded exception.
- */
- public static void replacePlaceholderWithTolerance(byte[] pdf, List sis,
- byte[] replace_bytes, int tolerance) throws PDFDocumentException
- {
- try
- {
- // String rep_str = new String(replace_bytes);
-
- SplitStrings ss = new SplitStrings(pdf, sis);
-
- int read_index = 0;
- while (read_index < replace_bytes.length)
- {
- if (!ss.isValidLine())
- {
- break;
- }
-
- byte[] token = readToken(replace_bytes, read_index);
- // String token_str = new String(token);
- byte[] escaped_token = escapeToken(token);
-
- if (ss.fits(escaped_token))
- {
- ss.write(escaped_token);
- read_index += token.length;
- continue;
- }
- else
- {
- if (ss.getAvailable() < tolerance)
- {
- ss.newline();
- continue;
- }
- else
- {
- // break the token
- for (; read_index < replace_bytes.length; read_index++)
- {
- byte data = replace_bytes[read_index];
-
- byte[] escaped_data = escapeByte(data);
-
- if (ss.fits(escaped_data))
- {
- ss.write(escaped_data);
- }
- else
- {
- ss.newline();
- break;
- }
- }
- continue;
-
- }
- }
- }
- ss.fillRest();
-
- if (read_index < replace_bytes.length)
- {
- logger_.error("The replace string was longer than the reserved placeholder.");
- throw new PlaceholderException(null, replace_bytes.length - read_index);
- }
-
- }
- catch (IOException e)
- {
- throw new PDFDocumentException(201, e);
- }
-
- }
-
- protected static byte[] readToken(byte[] bytes, int index)
- {
- ByteArrayOutputStream baos = new ByteArrayOutputStream();
- for (; index < bytes.length; index++)
- {
- byte data = bytes[index];
-
-
- // byte [] escaped_data = escapeByte(data);
- baos.write(data);
-
- if (canBreakAfter(data))
- {
- break;
- }
- }
-
- return baos.toByteArray();
- }
-
-
-
-protected static byte[] escapeToken(byte[] token) throws IOException
- {
- ByteArrayOutputStream baos = new ByteArrayOutputStream();
-
- for (int i = 0; i < token.length; i++)
- {
- byte[] escaped_data = escapeByte(token[i]);
- baos.write(escaped_data);
- }
-
- return baos.toByteArray();
- }
-}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/Pos.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/Pos.java deleted file mode 100644 index c0b3ecd..0000000 --- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/Pos.java +++ /dev/null @@ -1,70 +0,0 @@ -/**
- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
- * joint initiative of the Federal Chancellery Austria and Graz University of
- * Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- *
- * $Id: Pos.java,v 1.1 2006/08/25 17:10:08 wprinz Exp $
- */
-package at.knowcenter.wag.egov.egiz.pdf;
-
-/**
- * Encapsulation of a position on a PDF page.
- *
- * @author wprinz
- */
-public class Pos
-{
-
- public float x;
-
- public float y;
-
- public float z;
-
- /**
- * Default constructor.
- */
- public Pos()
- {
- }
-
- /**
- * Constructor that sets the coordinates.
- * @param xx
- * @param yy
- * @param zz
- */
- public Pos(float xx, float yy, float zz)
- {
- this.x = xx;
- this.y = yy;
- this.z = zz;
- }
-
- /**
- * @see java.lang.Object#toString()
- */
- public String toString()
- {
- return "(" + this.x + "," + this.y + "," + this.z + ")";
- }
-
-}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PositioningInstruction.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PositioningInstruction.java deleted file mode 100644 index 7af4ce7..0000000 --- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PositioningInstruction.java +++ /dev/null @@ -1,139 +0,0 @@ -/**
- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
- * joint initiative of the Federal Chancellery Austria and Graz University of
- * Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- *
- * $Id: $
- */
-package at.knowcenter.wag.egov.egiz.pdf;
-
-/**
- * The positioning instruction holds information of where to place the signature
- * block.
- *
- * <p>
- * This instruction is given to the PDF writer in order to place the signature.
- * </p>
- *
- * @author wprinz
- */
-public class PositioningInstruction
-{
-
- /**
- * Tells, if a new plain page should be appended.
- *
- * <p>
- * This command is executed before the signature block is positioned according
- * to page, x and y.
- * </p>
- */
- protected boolean make_new_page = false;
-
- /**
- * The number of the page on which the signature block is to be placed. If
- * specified to make a new page, the number of this newly created page can be
- * used here as well.
- */
- protected int page = 0;
-
- /**
- * The x coordinate where the upper left corner of the signature block should
- * be placed.
- */
- protected float x = 0.0f;
-
- /**
- * The y coordinate where the upper left corner of the signature block should
- * be placed.
- */
- protected float y = 0.0f;
-
- /**
- *
- * @param make_new_page
- * Tells, if a new plain page should be appended. This command is
- * executed before the signature block is positioned according to
- * page, x and y.
- * @param page
- * The number of the page on which the signature block is to be
- * placed. If specified to make a new page, the number of this newly
- * created page can be used here as well.
- * @param x
- * The x coordinate where the upper left corner of the signature
- * block should be placed.
- * @param y
- * The y coordinate where the upper left corner of the signature
- * block should be placed.
- */
- public PositioningInstruction(boolean make_new_page, int page, float x, float y)
- {
- this.make_new_page = make_new_page;
- this.page = page;
- this.x = x;
- this.y = y;
- }
-
- /**
- * Tells, if a new plain page should be appended to the document.
- *
- * @return Returns true, if a new plain page should be appended.
- */
- public boolean isMakeNewPage()
- {
- return this.make_new_page;
- }
-
- /**
- * Returns the page on which the signature is to be printed.
- *
- * @return Returns the page on which the signature is to be printed.
- */
- public int getPage()
- {
- return this.page;
- }
-
- /**
- * Returns the x coordinate where the upper left corner of the signature block
- * should be placed.
- *
- * @return Returns the x coordinate where the upper left corner of the
- * signature block should be placed.
- */
- public float getX()
- {
- return this.x;
- }
-
- /**
- * Returns the y coordinate where the upper left corner of the signature block
- * should be placed.
- *
- * @return Returns the y coordinate where the upper left corner of the
- * signature block should be placed.
- */
- public float getY()
- {
- return this.y;
- }
-
-}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/ReplaceInfo.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/ReplaceInfo.java deleted file mode 100644 index 520d987..0000000 --- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/ReplaceInfo.java +++ /dev/null @@ -1,93 +0,0 @@ -/**
- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
- * joint initiative of the Federal Chancellery Austria and Graz University of
- * Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- *
- * $Id: ReplaceInfo.java,v 1.1 2006/08/25 17:10:08 wprinz Exp $
- */
-package at.knowcenter.wag.egov.egiz.pdf;
-
-import java.io.Serializable;
-import java.util.List;
-
-import at.knowcenter.wag.egov.egiz.sig.SignatureFieldDefinition;
-
-/**
- * Holds the information requeired to replace a certain value in the document
- * completely.
- *
- * @author wprinz
- */
-public class ReplaceInfo implements Serializable
-{
-
- /**
- * SVUID.
- */
- private static final long serialVersionUID = 7307210282876750431L;
-
- /**
- * The field definition of this value.
- */
- public SignatureFieldDefinition sfd = null;
-
- /**
- * The value itself.
- */
- public String value = null;
-
- /**
- * The list of Strings this value must be splitted to.
- */
- public List replaces = null;
-
- /**
- * The brev of this value.
- */
- public byte[] brev = null;
-
- /**
- * The encoding of this value.
- */
- public byte[] enc = null;
-
- public String toString() {
- return "ReplaceInfo [brev=" + (brev != null ? arrayToString(brev, brev.length) : null)
- + ", enc=" + (enc != null ? arrayToString(enc, enc.length) : null) + ", sfd=" + sfd
- + ", value=" + value + "]";
- }
-
- private String arrayToString(Object array, int len) {
- StringBuffer buffer = new StringBuffer();
- buffer.append("[");
- for (int i = 0; i < len; i++) {
- if (i > 0)
- buffer.append(", ");
- if (array instanceof byte[])
- buffer.append(((byte[]) array)[i]);
- }
- buffer.append("]");
- return buffer.toString();
- }
-
-
-
-}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/SignatureHolder.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/SignatureHolder.java deleted file mode 100644 index 54cac64..0000000 --- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/SignatureHolder.java +++ /dev/null @@ -1,76 +0,0 @@ -/**
- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
- * joint initiative of the Federal Chancellery Austria and Graz University of
- * Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- *
- * $Id: SignatureHolder.java,v 1.3 2006/10/11 07:57:58 wprinz Exp $
- */
-package at.knowcenter.wag.egov.egiz.pdf;
-
-import at.gv.egiz.pdfas.framework.input.DataSource;
-import at.knowcenter.wag.egov.egiz.sig.SignatureObject;
-
-/**
- * Data structure that holds the information of one signature block, which is
- * the signed/signable text and the corresponding SignatureObject.
- *
- * <p>
- * Signators and Verifiactors should implement own classes for this interface
- * that generate the text to be signed from the underlying data. For example a
- * binary signature holder could generate the text to be signed by Base64
- * encoding the binary data. Furthermore this allows to cache the text to be
- * signed.
- * </p>
- *
- * @author wprinz
- */
-public interface SignatureHolder
-{
-
-// /**
-// * Returns the signed text (verification) or the to-be-signed signable text
-// * (signation).
-// *
-// * <p>
-// * Note that this text must be the one that was actually signed. This text is
-// * directly passed to the connector for signation/verification. No
-// * normalization or modification will be / must be done to this text between
-// * reading out from the signature holder and passing the text to the
-// * connector.
-// * </p>
-// *
-// * @return Returns the signed text or the to-be-signed signable text.
-// */
-// public String getSignedText();
-
- /**
- *
- * @return Returns the SignatureObject containing the issuer, serial number,
- * etc.
- */
- public SignatureObject getSignatureObject();
-
- /**
- * Returns the DataSource providing the data.
- * @return
- */
- public DataSource getDataSource();
-}
\ No newline at end of file diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/SplitStrings.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/SplitStrings.java deleted file mode 100644 index be2b2b4..0000000 --- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/SplitStrings.java +++ /dev/null @@ -1,177 +0,0 @@ -/**
- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
- * joint initiative of the Federal Chancellery Austria and Graz University of
- * Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- *
- * $Id: SplitStrings.java,v 1.1 2006/08/30 14:02:35 wprinz Exp $
- */
-package at.knowcenter.wag.egov.egiz.pdf;
-
-import java.util.List;
-
-import org.apache.commons.lang.ArrayUtils;
-
-
-/**
- * Class that helps filling out the placeholders.
- *
- * <p>
- * This class treats a sequence of placeholder StringInfos like a continuous
- * data area that can be filled out regarding the boundaries.
- * </p>
- *
- * @author wprinz
- */
-public class SplitStrings
-{
- /**
- * The byte used to fill unused bytes in the placeholders.
- */
-
- public static final byte FILL_BYTE = ' ';
-
- /**
- * The underlying PDF.
- */
- protected byte[] pdf = null;
-
- /**
- * The strings to be filled out.
- */
- protected StringInfo[] strings = null;
-
- /**
- * The current string which is written to.
- */
- protected int cur_string = 0;
-
- /**
- * The current write position within the current string.
- */
- protected int cur_pos = 0;
-
- /**
- * Constructor.
- *
- * @param pdf
- * The underlying PDF.
- * @param strings
- * The strings to be filled out.
- */
- public SplitStrings(byte[] pdf, List strings)
- {
- this.pdf = pdf;
- this.strings = new StringInfo[strings.size()];
- for (int i = 0; i < strings.size(); i++)
- {
- StringInfo si = (StringInfo) strings.get(i);
- this.strings[i] = si;
- }
- }
-
- /**
- * Returns how many bytes are still available in the current string.
- *
- * @return Returns the number of bytes that are still available. (positive
- * integer, or zero if none are available)
- */
- public int getAvailable()
- {
- return this.strings[this.cur_string].string_length - this.cur_pos;
- }
-
- /**
- * Tells, if the whole data would fit into the current string.
- *
- * @param data
- * The data to be matched for fitting
- * @return Returns true, if the whole data fits, false otherwise.
- */
- public boolean fits(byte[] data)
- {
- return getAvailable() >= data.length;
- }
-
- /**
- * Writes the data into the current string.
- *
- * <p>
- * Note that the data must fit in.
- * </p>
- * @param data The data to be written.
- */
- public void write(byte[] data)
- {
- if (!fits(data))
- {
- throw new IllegalArgumentException("The data doesn't fit in.");
- }
-
- System.arraycopy(data, 0, this.pdf, this.strings[this.cur_string].string_start + this.cur_pos, data.length);
- this.cur_pos += data.length;
-
- if (data[data.length-1] == '\n') {
- this.cur_pos -= 1; // remove \n from output
- newline();
- }
- }
-
- /**
- * Fills the current string with the fill character and moves on to the next
- * string.
- *
- */
- public void newline()
- {
- int end = this.strings[this.cur_string].string_start + this.strings[this.cur_string].string_length;
- for (int i = this.strings[this.cur_string].string_start + this.cur_pos; i < end; i++)
- {
- pdf[i] = FILL_BYTE;
- }
-
- this.cur_string++;
- this.cur_pos = 0;
- }
-
- /**
- * Fills all rest bytes with the fill character.
- *
- * <p>
- * This should be called when everything is finished to fill all strings properly.
- * </p>
- */
- public void fillRest()
- {
- while (this.cur_string < this.strings.length)
- {
- newline();
- }
- }
-
- /**
- * Tells, if the current line is valid.
- * @return Returns true, if this is a line that can be written to.
- */
- public boolean isValidLine ()
- {
- return this.cur_string < this.strings.length;
- }
-}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/StringInfo.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/StringInfo.java deleted file mode 100644 index 1982077..0000000 --- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/StringInfo.java +++ /dev/null @@ -1,106 +0,0 @@ -/**
- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
- * joint initiative of the Federal Chancellery Austria and Graz University of
- * Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- *
- * $Id: StringInfo.java,v 1.2 2006/10/11 07:57:58 wprinz Exp $
- */
-package at.knowcenter.wag.egov.egiz.pdf;
-
-import java.io.Serializable;
-import java.io.UnsupportedEncodingException;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-
-/**
- * Specifies a certain data area within the pdf.
- *
- * <p>
- * Actually this is a byte range, which is used to hold the placeholder ranges
- * for later replacement.
- * </p>
- *
- * @author wprinz
- */
-public class StringInfo implements Serializable
-{
- /**
- * SVUID.
- */
- private static final long serialVersionUID = 5834801907046737048L;
-
- protected static Log logger = LogFactory.getLog(StringInfo.class);
-
- /**
- * The PDF document this range belongs to.
- */
- public byte[] pdf = null;
-
- /**
- * The start offset of the range.
- */
- public int string_start = -1;
-
- /**
- * The length of the range.
- */
- public int string_length = -1;
-
- /**
- * Copies the bytes of this range to a new byte array.
- *
- * @return Returns the new byte array.
- */
- public byte[] copyStringBytes()
- {
- byte[] bytes = new byte[this.string_length];
- System.arraycopy(this.pdf, this.string_start, bytes, 0, this.string_length);
- return bytes;
- }
-
- /**
- * Converts the range into a String.
- *
- * @return Returns the String.
- * @throws UnsupportedEncodingException
- * Forwarded exception.
- */
- public String getString(String encoding) throws UnsupportedEncodingException
- {
- byte[] bytes = copyStringBytes();
- return new String(bytes, encoding);
- }
-
- public String toString()
- {
- try
- {
- return "(" + this.string_start + "," + this.string_length + ")" + getString("ISO-8859-1");
- }
- catch (UnsupportedEncodingException e)
- {
- logger.error(e.getMessage(), e);
- return "(" + this.string_start + "," + this.string_length + ")";
- }
- }
-
-}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/StructContentHelper.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/StructContentHelper.java deleted file mode 100644 index 7ca5a0a..0000000 --- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/StructContentHelper.java +++ /dev/null @@ -1,716 +0,0 @@ -/**
- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
- * joint initiative of the Federal Chancellery Austria and Graz University of
- * Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- */
-package at.knowcenter.wag.egov.egiz.pdf;
-
-import java.io.IOException;
-import java.util.HashMap;
-import java.util.Map;
-
-import org.apache.log4j.Logger;
-
-import at.gv.egiz.pdfas.exceptions.ErrorCode;
-import at.knowcenter.wag.egov.egiz.exceptions.PresentableException;
-import at.knowcenter.wag.egov.egiz.sig.SignatureObject;
-
-import com.lowagie.text.Rectangle;
-import com.lowagie.text.pdf.PdfArray;
-import com.lowagie.text.pdf.PdfContentByte;
-import com.lowagie.text.pdf.PdfDictionary;
-import com.lowagie.text.pdf.PdfFormField;
-import com.lowagie.text.pdf.PdfIndirectReference;
-import com.lowagie.text.pdf.PdfName;
-import com.lowagie.text.pdf.PdfNumber;
-import com.lowagie.text.pdf.PdfObject;
-import com.lowagie.text.pdf.PdfStamper;
-import com.lowagie.text.pdf.PdfStamperImp;
-import com.lowagie.text.pdf.PdfString;
-import com.lowagie.text.pdf.PdfTemplate;
-import com.lowagie.text.pdfas.StructContentWriter;
-import com.lowagie.text.pdfas.StructContentWriterHolder;
-import com.lowagie.text.pdfas.UrlInTextFinder;
-
-/**
- * Helper class for writing the structure hierarchy of the signature elements.
- * Everything is written with the PdfObject low level API because there is no better support.
- * The structured content is only written for structured (==tagged) input documents. The methods have to be called in the
- * defined order. The object cannot be reused for several signatures.<br>
- * See pdf spec "Logical Structure" for details.<br>
- * The struct writing could be a little more abstracted, but this would include quite some itext extension work. And like this it
- * fits better to PDF-AS / wprinz coding style :-(
- * @author exthex
- *
- */
-public class StructContentHelper implements StructContentWriter {
- private static final Logger logger = Logger.getLogger(StructContentHelper.class);
-
- private static final String SIGBLOCK_STRUCT_TYPE = "P";
- private static final PdfName PARENTTREENEXTKEY = new PdfName("ParentTreeNextKey");
- private static final String ALT_TEXT_DEFAULT = "Signaturbildmarke";
- private final static String ALT_TEXT_CONF_KEY = "sigLogoAltText";
-
-
- private int nextMcid = 0;
- /**
- * MCID value used for the sigblock marked contend identifier
- */
- private int sigBlockMcid =-1;
- /**
- * MCID value for "Bildmarke" marked content sequence
- */
- private int figureMcid = -1;
- /**
- * MCID value for verify link marked content sequence
- */
- private int linkMcid = -1;
- private String linkUrlString = null;
- private boolean isTagged = false;
- private Map linkPosMap = new HashMap();
- private Map tmpMap = new HashMap();
-
- private PdfStamper stamper;
- private PdfStamperImp stamperImp;
- private PdfContentByte content;
- private PdfDictionary page;
- private PdfNumber parentTreeNextKey = null;
- private PdfNumber annotationParentTreeKey = null;
-
- /**
- * Temporary save a pos
- */
- private Rectangle tempMarkedPos = null;
- /**
- * Cell position of the signature verify link overlay
- */
- private Rectangle verifyLinkCellPos = null;
-
- /**
- * Kids array (K) of the <code>StructTreeRoot</code>
- */
- private PdfArray structTreeRootKids = null;
-
- /**
- * Entry in the ParentTree.Nums array used for sigtable structs
- */
- private PdfArray mainParentTreeNumEntry;
-
- /**
- * Create new helper for one signature, and bind it to {@link StructContentWriterHolder}
- * for thread local access from itext.
- *
- * @param stamper
- * @param content
- * @param pageNr
- */
- StructContentHelper(PdfStamper stamper, PdfContentByte content, int pageNr) {
- this.stamper = stamper;
- this.content = content;
- stamperImp = ((PdfStamperImp) stamper.getWriter());
- page = stamper.getReader().getPageN(pageNr);
- StructContentWriterHolder.setThreadLocalWriter(this);
- }
-
- /**
- * Remove thread local helper
- */
- public void removeCurrent() {
- StructContentWriterHolder.removeThreadLocalWriter();
- }
-
- /**
- * Prepare structured content for signature block. This method initializes the whole StructTreeRoot stuff.
- * @param sigBlockObj
- * @throws PresentableException
- */
- void prepareStructData(PdfTemplate sigBlockObj) throws PresentableException {
-
- try {
- checkTagging();
- if (!isTagged) {
- return;
- }
-
- doAnnoTabOrder();
-
- PdfDictionary structTreeRoot = getStructTreeRoot();
- stamperImp.markUsed(structTreeRoot);
-
- PdfArray parentTreeNums = getParentTreeNums();
-
- PdfNumber structParentsNr = page.getAsNumber(PdfName.STRUCTPARENTS); // read StructParents entry from current page
-
- mainParentTreeNumEntry = obtainParentTreeEntry(structTreeRoot, parentTreeNums, structParentsNr, sigBlockObj);
-
- nextMcid = mainParentTreeNumEntry.size();
- sigBlockMcid = nextMcid;
- nextMcid++;
-
- this.structTreeRootKids = obtainStructTreeRootKids(structTreeRoot);
-
- if(this.structTreeRootKids == null)
- {
- this.structTreeRootKids = this.createStructTreeRootKids(structTreeRoot);
- }
-
- } catch (Exception ex) {
- logger.error("error", ex);
- throw new PresentableException(ErrorCode.CANNOT_WRITE_PDF,
- "error writing structured signature content", ex);
- }
- }
-
- PdfArray createStructTreeRootKids(PdfDictionary structTreeRoot) {
- PdfArray tmp = new PdfArray();
- structTreeRoot.put(PdfName.K, tmp);
- return tmp;
- }
-
- /**
- * Create struct data for main signature block
- * @throws PresentableException
- */
- void buildSigBlockStructData() throws PresentableException {
- if (!isTagged) return;
- try {
- PdfIndirectReference newStructRef = createStructElem(SIGBLOCK_STRUCT_TYPE, new PdfNumber(
- sigBlockMcid), getStructTreeRoot().getIndRef());
-
- // ADD everything at the end because nothing can be written afterwards
- structTreeRootKids.add(newStructRef);
- mainParentTreeNumEntry.add(newStructRef);
-
- stamperImp.markUsed(mainParentTreeNumEntry);
-
- } catch (Exception ex) {
- logger.error("error", ex);
- throw new PresentableException(ErrorCode.CANNOT_WRITE_PDF,
- "error writing structured signature content", ex);
- }
- }
-
-
- /**
- * Finish struct data for signblock and it's elements (NOT for the external link and annot!)
- * @throws PresentableException
- */
- void finishMainStructData() throws PresentableException {
- try {
- if (isTagged && mainParentTreeNumEntry.getIndRef() == null) {
- getParentTreeNums().add(
- stamper.getWriter().addToBody(mainParentTreeNumEntry).getIndirectReference());
- stamperImp.markUsed(getParentTreeNums());
- stamperImp.markUsed(getStructTreeRoot().getAsDict(PdfName.PARENTTREE));
- }
- } catch (Exception ex) {
- logger.error("error", ex);
- throw new PresentableException(ErrorCode.CANNOT_WRITE_PDF,
- "error writing structured signature content", ex);
- }
- }
-
- /**
- * Build the structured content for the signature logo (bildmarke). {@link #beginFigureContent(PdfContentByte)} and
- * {@link #endFigureContent(PdfContentByte)} have to be called before this method to mark the logo in the stream. This
- * is done implicitly in the modified itext source (see {@link StructContentWriterHolder}).
- * @param so
- * @param sigBlockObj
- * @throws PresentableException
- */
- void buildFigureStructData(SignatureObject so, PdfTemplate sigBlockObj) throws PresentableException {
- try {
- if (isTagged && isFigureMarked()) {
-
- PdfDictionary structTreeRoot = getStructTreeRoot();
- PdfIndirectReference mcrRef = createMcrStructElem(this.figureMcid, sigBlockObj.getIndirectReference());
- PdfIndirectReference figureRef = createStructElem("Figure", mcrRef,
- getAltText(so.getSignatureTypeDefinition().getType()), structTreeRoot.getIndRef());
-
- structTreeRootKids.add(figureRef);
- mainParentTreeNumEntry.add(figureRef);
-
- stamperImp.markUsed(structTreeRootKids);
- stamperImp.markUsed(structTreeRoot);
- stamperImp.markUsed(mainParentTreeNumEntry);
-
- }
-
- } catch (Exception ex) {
- logger.error("error", ex);
- throw new PresentableException(ErrorCode.CANNOT_WRITE_PDF,
- "error writing structured signature content", ex);
- }
-
- }
-
- /**
- * Build the link annotation for the signature verification link and the structured content accordingly.<br>
- * The tagging does NOT work if the link is placed in a binary signature replace cell (phlengh for this cell)!!
- * @param sigBlockObj
- * @param atp
- * @throws PresentableException
- */
- void buildVerifyLinkStructData(PdfTemplate sigBlockObj, ActualTablePos atp) throws PresentableException {
- if (!this.isTagged || !this.isLinkMarked() || !isLinkFound()) return;
-
- try {
- PdfNumber parentTreeKey = getNewParentTreeKey();
-
- PdfArray annots = obrainAnnotsFromPage();
-
- PdfIndirectReference linkAnnotRef = createLinkAnnot(parentTreeKey, atp);
- annots.add(linkAnnotRef);
-
- PdfIndirectReference objr = createObjrStructElem(linkAnnotRef);
- PdfIndirectReference mcr = createMcrStructElem(this.linkMcid, sigBlockObj.getIndirectReference());
-
- PdfDictionary structTreeRoot = getStructTreeRoot();
-
- PdfArray linkKids = new PdfArray();
- PdfIndirectReference linkKidsRef = stamper.getWriter().getPdfIndirectReference();
-
- PdfIndirectReference linkRef = createStructElem("Link", linkKidsRef, structTreeRoot.getIndRef());
- linkKids.add(objr);
-
- PdfIndirectReference span = createStructElem("Span", mcr, linkRef);
- linkKids.add(span);
-
- stamper.getWriter().addToBody(linkKids, linkKidsRef);
- structTreeRootKids.add(linkRef);
-
- // create new entry in ParentTree
- PdfArray parentTreeNums = getParentTreeNums();
- parentTreeNums.add(parentTreeKey);
- parentTreeNums.add(linkRef);
-
- stamperImp.markUsed(parentTreeNums);
- stamperImp.markUsed(structTreeRoot.getAsDict(PdfName.PARENTTREE));
- stamperImp.markUsed(structTreeRootKids);
- stamperImp.markUsed(linkKids);
-
- stamperImp.markUsed(structTreeRoot);
-
- } catch (IOException e) {
- logger.error("error", e);
- throw new PresentableException(ErrorCode.CANNOT_WRITE_PDF,
- "error writing structured signature content", e);
- }
- }
-
- private boolean isLinkFound() {
- return this.linkUrlString != null && this.verifyLinkCellPos != null && this.linkPosMap.size() > 0 && this.linkMcid >= 0;
- }
-
- /**
- * Build new StructParent entry for signature annotation.
- * @return
- */
- PdfNumber buildAdobeSigStructParent() {
- if (this.isTagged) {
- this.annotationParentTreeKey = getNewParentTreeKey();
- return annotationParentTreeKey;
- } else {
- return null;
- }
- }
-
- /**
- * Build and write structured content for adobe signature annotation
- *
- * @param sigFormField
- * @param title
- * @throws PresentableException
- */
- void buildAdobeSigStruct(PdfFormField sigFormField, String title) throws PresentableException {
- if (!isTagged)
- return;
- try {
-
- PdfDictionary root = getStructTreeRoot();
-
- PdfIndirectReference objrRef = createObjrStructElem(sigFormField.getIndirectReference());
-
- PdfIndirectReference adobeSigStructRef = createStructElem("Link", objrRef, root.getIndRef());
-
- PdfArray parentTreeNums = getParentTreeNums();
- // create new entry in ParentTree
- parentTreeNums.add(annotationParentTreeKey);
- parentTreeNums.add(adobeSigStructRef);
-
- structTreeRootKids.add(adobeSigStructRef);
- stamperImp.markUsed(structTreeRootKids);
-
- stamperImp.markUsed(parentTreeNums);
- stamperImp.markUsed(root.getAsDict(PdfName.PARENTTREE));
-
- } catch (Exception ex) {
- logger.error("error", ex);
- throw new PresentableException(ErrorCode.CANNOT_WRITE_PDF,
- "error writing structured signature content", ex);
- }
-
- }
-
- /**
- * Start tag for signature block content stream. Place this before the signature block is written to a content stream.
- * Call {@link #endSigBlockContent()} afterwards
- */
- void beginSigBlockContent() {
- if (isTagged) {
- content.getInternalBuffer().append(new PdfName(SIGBLOCK_STRUCT_TYPE).getBytes()).append(" <</MCID ")
- .append(sigBlockMcid).append(">> BDC").append('\n');
- }
- }
-
- /**
- * End tag for signature block content stream. Place this after the signature block is written to a content stream
- */
- void endSigBlockContent() {
- if (isTagged) {
- content.endMarkedContentSequence();
- }
- }
-
- /**
- * Writes start tag for signature logo marked content sequence.
- */
- public void beginFigureContent(PdfContentByte localContent) {
- if (isTagged) {
- if (!isFigureMarked()) {
- this.figureMcid = this.nextMcid++;
- localContent.getInternalBuffer().append("/Figure <</MCID ").append(this.figureMcid).append(">> BDC\n");
- } else {
- logger.warn("cannot tag multiple figures (bildmarken)");
- }
- }
- }
-
- /**
- * Writes end tag for signature logo marked content sequence.
- */
- public void endFigureContent(PdfContentByte localContent) {
- if (isTagged && isFigureMarked()) {
- localContent.endMarkedContentSequence();
- }
- }
-
- /**
- * Writes start tag for verify link marked content sequence.
- */
- public void beginLinkContent(PdfContentByte localContent, String urlString) {
- // it's called from here com.lowagie.text.pdf.PdfContentByte.showText(String)
-
- if (isTagged) {
- if (!isLinkMarked()) {
- this.linkUrlString = urlString;
- this.linkMcid = this.nextMcid++;
- localContent.getInternalBuffer().append("/Span <</MCID ").append(this.linkMcid).append(">> BDC\n");
- } else {
- logger.warn("cannot tag multiple verify links");
- }
- }
- }
-
- /**
- * Writes end tag for verify link marked content sequence.
- */
- public void endLinkContent(PdfContentByte localContent) {
- if (isTagged && isLinkMarked()) {
- localContent.endMarkedContentSequence();
- }
- }
-
- /**
- * Implements {@link StructContentWriter#markPos(Rectangle)}
- */
- public void markPos(Rectangle pos) {
- this.tempMarkedPos = pos;
- }
-
- /**
- * Implements {@link StructContentWriter#storeCurrentPosAsLink()}
- */
- public void storeCurrentPosAsLink() {
- this.verifyLinkCellPos = new Rectangle(this.tempMarkedPos);
- }
-
- public void putVal(String key, Object val) {
- tmpMap.put(key, val);
- }
-
- public void storeVals() {
- linkPosMap = new HashMap(tmpMap);
- }
-
- /**
- * set explicit annotation tab order if missing
- */
- private void doAnnoTabOrder() {
- if (page.getAsName(new PdfName("Tabs")) == null) {
- page.put(new PdfName("Tabs"), PdfName.S); // set explicit annotation TAB order
- stamperImp.markUsed(page);
- }
- }
-
- private void checkTagging() {
- PdfDictionary markDict = stamper.getReader().getCatalog().getAsDict(PdfName.MARKINFO);
- if (markDict != null) {
- isTagged = markDict.getAsBoolean(PdfName.MARKED).booleanValue();
- }
- if (!isTagged) {
- logger.debug("input document is not tagged. no structure/wai information is written");
- }
- logger.debug("Input is tagged. Writing structure/WAI data.");
- }
-
-
-
- private PdfIndirectReference createLinkAnnot(PdfNumber structParentNr, ActualTablePos atp) throws IOException {
- PdfDictionary linkAnnot = new PdfDictionary();
-
- PdfDictionary a = new PdfDictionary();
- a.put(PdfName.S, new PdfName("URI"));
- a.put(PdfName.TYPE, PdfName.ACTION);
- a.put(PdfName.URI, new PdfString(this.linkUrlString));
- linkAnnot.put(PdfName.A, a);
-
- PdfDictionary bs = new PdfDictionary();
- bs.put(PdfName.W, new PdfNumber(0));
- linkAnnot.put(PdfName.BS, bs);
- linkAnnot.put(PdfName.F, new PdfNumber(4));
-
- // iText "converts" 0.0f to an integer, therefore we cannot use 0, not nice...
- //linkAnnot.put(PdfName.RECT, new PdfArray(new float[] {0.01f, 0.01f, 0.01f, 0.01f}));
- // take cell pos as link pos
- linkAnnot.put(PdfName.RECT, new PdfArray(calcLinkPos(atp)));
-
- linkAnnot.put(PdfName.STRUCTPARENT, structParentNr);
- linkAnnot.put(PdfName.SUBTYPE, PdfName.LINK);
-
- return stamper.getWriter().addToBody(linkAnnot).getIndirectReference();
- }
-
-
- private PdfArray calcLinkPos(ActualTablePos atp) {
- PdfArray res = new PdfArray();
-
- float downY = atp.y - atp.height;
-
- float startX = atp.x + this.verifyLinkCellPos.getLeft();
- float yLine = getPosMapVal("yLine");
- float lineHigh = getPosMapVal("maxSize");
- float lineWidth = getPosMapVal("lineWidth");
- UrlInTextFinder finder = (UrlInTextFinder) this.linkPosMap.get("urlFinder");
-
- // maybe one could calc the link pos even more exactly with char width counting
- // but this should be close enough (see BidiLine.processLine and chunk.getcharwith)
- float lineCorr = -2;
- float xCorr = 5;
- res.add(new PdfNumber(1 + startX + finder.calcLinkPosXStart(lineWidth)));
- res.add(new PdfNumber(downY + yLine + lineHigh + lineCorr));
- res.add(new PdfNumber(xCorr + startX + finder.calcLinkPosXEnd(lineWidth)));
- res.add(new PdfNumber(downY + yLine + lineCorr));
-
- return res;
- }
-
- private float getPosMapVal(String key) {
- return ((Float) this.linkPosMap.get(key)).floatValue();
- }
-
- protected static PdfArray createPdfArrayFromTablePos(ActualTablePos pos) {
- return new PdfArray( new float[] {pos.x, pos.y, pos.x + pos.width, pos.y - pos.height});
- }
-
- private PdfArray obrainAnnotsFromPage() throws IOException {
- PdfArray annots = this.page.getAsArray(PdfName.ANNOTS);
- if (annots == null) {
- annots = new PdfArray();
- page.put(PdfName.ANNOTS, annots);
- stamperImp.markUsed(this.page);
- stamper.getWriter().addToBody(annots);
- }
- return annots;
- }
-
- private PdfArray obtainStructTreeRootKids(PdfDictionary structTreeRoot) {
- PdfArray rk = null;
- PdfObject root_k = structTreeRoot.getDirectObject(PdfName.K);
- stamperImp.markUsed(root_k);
- if (root_k instanceof PdfDictionary) {
- rk = new PdfArray();
- stamperImp.markUsed(structTreeRootKids);
- rk.add(root_k.getIndRef());
- structTreeRoot.put(PdfName.K, structTreeRootKids);
-
- } else if(root_k != null) { // has to be array
- rk = (PdfArray) root_k;
- }
- return rk;
- }
-
- private PdfArray obtainParentTreeEntry(PdfDictionary structTreeRoot, PdfArray parentTreeNums,
- PdfNumber structParentsNr, PdfTemplate sigBlockObj) {
- int numsIdx = -1;
- PdfArray parentTreeEntry = null;
-
- if (structParentsNr == null) { // no StructParents entry yet, make new one and add new parenttree entry
- PdfNumber parentTreeKey = null;
- parentTreeNextKey = structTreeRoot.getAsNumber(PARENTTREENEXTKEY); // read next proposed key
- if (parentTreeNextKey == null) { // this can be null if a non-perfect pdf creator was at work
- // find the next key by counting
- int nextI = ((int) parentTreeNums.size() / 2); // know the "Number Trees" data structure from pdf-ref
- this.parentTreeNextKey = new PdfNumber(nextI);
- structTreeRoot.put(PARENTTREENEXTKEY, this.parentTreeNextKey); // write ParentTreeNextKey entry
- }
-
- parentTreeKey = new PdfNumber(parentTreeNextKey.intValue());
- parentTreeNextKey.increment();
- page.put(PdfName.STRUCTPARENTS, parentTreeKey); // write /StructParents entry to page
- structParentsNr = parentTreeKey;
-
- stamperImp.markUsed(page);
- // create new entry in ParentTree
- parentTreeNums.add(parentTreeKey);
- parentTreeEntry = new PdfArray();
- numsIdx = parentTreeNums.size() - 1;
-
- } else { // structparents entry already available, find parenttree entry
- //parentTreeKey = structParentsNr;
- parentTreeNextKey = structTreeRoot.getAsNumber(PARENTTREENEXTKEY); // read next proposed key
- if (parentTreeNextKey == null) { // this can be null if a non-perfact pdf creator was at work
- // find the next key by counting
- int nextI = 0;
- if (parentTreeNums != null) {
- nextI = ((int) parentTreeNums.size() / 2);
- }
- this.parentTreeNextKey = new PdfNumber(nextI);
- structTreeRoot.put(PARENTTREENEXTKEY, this.parentTreeNextKey);
- }
- }
-
- // add Structparents entry to xobject content stream
- sigBlockObj.addAttribute(PdfName.STRUCTPARENTS, structParentsNr);
-
- // find my structParentEntry
- if (numsIdx < 0) {
- // it's a weird data structure: "number tree", see pdf reference if you really want to understand
-
- // if the array has no gaps it is easy:
- numsIdx = structParentsNr.intValue() * 2;
- if (parentTreeNums.getAsNumber(numsIdx).intValue() != structParentsNr.intValue()) { // there seem to be gaps
- for (numsIdx = 0; numsIdx < parentTreeNums.size(); numsIdx += 2) { // search manually
- if (parentTreeNums.getAsNumber(numsIdx).intValue() == structParentsNr.intValue()) {
- break;
- }
- }
- }
- numsIdx += 1;
- }
- if (parentTreeEntry == null) {
- parentTreeEntry = parentTreeNums.getAsArray(numsIdx);
- }
- return parentTreeEntry;
- }
-
-// private PdfIndirectReference createStructElem(String structType, PdfObject kid) throws IOException {
-// return createStructElem(structType, kid, null);
-// }
-
- private PdfIndirectReference createStructElem(String structType, PdfObject kid, PdfIndirectReference parentRef) throws IOException {
- return createStructElem(structType, kid, null, parentRef);
- }
-
- private PdfIndirectReference createStructElem(String structType, PdfObject kid, String altText,
- PdfIndirectReference parentRef) throws IOException {
-
- PdfDictionary newStruct = new PdfDictionary();
- newStruct.put(PdfName.S, new PdfName(structType));
- //newStruct.put(PdfName.T, new PdfString("PDF-AS Signaturblock"));// eher nicht
- if (parentRef != null) {
- newStruct.put(PdfName.P, parentRef);
- }
- newStruct.put(PdfName.TYPE, new PdfName("StructElem"));
-
- newStruct.put(PdfName.PG, page.getIndRef());
- if (altText != null) {
- newStruct.put(PdfName.ALT, new PdfString(altText));
- }
- // newStruct.put(PdfName.ALT, new PdfString(getAltText(so.getSignatureTypeDefinition().getType())));
- //newStruct.put(PdfName.K, new PdfNumber(nextMcid));
- newStruct.put(PdfName.K, kid);
-
- return stamper.getWriter().addToBody(newStruct).getIndirectReference();
- }
-
- private boolean isFigureMarked() {
- return this.figureMcid > -1;
- }
-
- private boolean isLinkMarked() {
- return this.linkMcid > -1;
- }
-
-
- private PdfNumber getNewParentTreeKey() {
- // new parent tree entry
- if (parentTreeNextKey == null) {
- parentTreeNextKey = getStructTreeRoot().getAsNumber(PARENTTREENEXTKEY); // read next proposed key
- }
- PdfNumber res = new PdfNumber(parentTreeNextKey.intValue());
- parentTreeNextKey.increment();
- return res;
- }
-
-
- private PdfIndirectReference createObjrStructElem(PdfIndirectReference objRef) throws IOException {
- PdfDictionary objr = new PdfDictionary();
- objr.put(PdfName.TYPE, new PdfName("OBJR"));
- objr.put(PdfName.PG, page.getIndRef());
- objr.put(new PdfName("Obj"), objRef);
-
- return stamper.getWriter().addToBody(objr).getIndirectReference();
- }
-
- private PdfIndirectReference createMcrStructElem(int mcid, PdfIndirectReference streamRef) throws IOException {
- PdfDictionary objr = new PdfDictionary();
- objr.put(PdfName.TYPE, new PdfName("MCR"));
- objr.put(PdfName.PG, page.getIndRef());
- objr.put(PdfName.MCID, new PdfNumber(mcid));
- objr.put(new PdfName("Stm"), streamRef);
-
- return stamper.getWriter().addToBody(objr).getIndirectReference();
- }
-
- private PdfArray getParentTreeNums() {
- return getStructTreeRoot().getAsDict(PdfName.PARENTTREE).getAsArray(PdfName.NUMS);
- }
-
- private PdfDictionary getStructTreeRoot() {
- return stamper.getReader().getCatalog().getAsDict(PdfName.STRUCTTREEROOT);
- }
-
- private static String getAltText(String sigProfile) {
- return AdobeSignatureHelper.getDefaultableConfigProperty(sigProfile, ALT_TEXT_CONF_KEY, ALT_TEXT_DEFAULT);
- }
-
-}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/TablePos.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/TablePos.java deleted file mode 100644 index 53d6609..0000000 --- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/TablePos.java +++ /dev/null @@ -1,262 +0,0 @@ -/**
- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
- * joint initiative of the Federal Chancellery Austria and Graz University of
- * Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- *
- * $Id: TablePos.java,v 1.1 2006/08/25 17:10:08 wprinz Exp $
- */
-package at.knowcenter.wag.egov.egiz.pdf;
-
-import java.io.Serializable;
-
-import at.gv.egiz.pdfas.exceptions.ErrorCode;
-import at.knowcenter.wag.egov.egiz.exceptions.PDFDocumentException;
-
-/**
- * Class that holds the exact position where the table should be written to the
- * document.
- *
- * @author wprinz
- * @author mruhmer
- */
-public class TablePos implements Serializable
-{
-
- /**
- * SVUID.
- */
- private static final long serialVersionUID = -5299027706623518059L;
-
- /**
- * The page on which the block should be displayed.
- *
- */
- private int page = 0;
-
- /**
- * The x position.
- */
- private float pos_x = 0.0f;
-
- /**
- * The y position.
- */
- private float pos_y = 0.0f;
-
- /**
- * The width of the block.
- */
- private float width = 0.0f;
- /**
- * The top y position of the footer line.
- */
- public float footer_line = 0.0f;
-
- /**
- * The y position.
- */
- public String myposstring = "";
-
- private boolean newpage = false;
- private boolean autoX = true;
- private boolean autoY = true;
- private boolean autoW = true;
- private boolean autoP = true;
-
- public boolean isXauto()
- {
- return this.autoX;
- }
- public boolean isYauto()
- {
- return this.autoY;
- }
- public boolean isWauto()
- {
- return this.autoW;
- }
- public boolean isPauto()
- {
- return this.autoP;
- }
- public boolean isNewPage()
- {
- return this.newpage;
- }
- public int getPage()
- {
- return this.page;
- }
- public float getFooterLine()
- {
- //ignore if newpage and y is not auto
- if (!this.autoY || this.newpage)
- {
- return 0.0f;
- }
- return this.footer_line;
- }
- public float getPosX()
- {
- return this.pos_x;
- }
- public float getPosY()
- {
- return this.pos_y;
- }
- public float getWidth()
- {
- return this.width;
- }
- public TablePos()
- {
- //nothing to do --> default
- }
-
- /**
- * Constructor.
- *
- * @param pos_string The pos instruction.
- * format : [x:x_algo];[y:y_algo];[w:w_algo][p:p_algo];[f:f_algo]
- * x_algo:='auto' ... automatic positioning x
- * floatvalue ... absolute x
- * y_algo:='auto' ... automatic positioning y
- * floatvalue ... absolute y
- * w_algo:='auto' ... automatic width
- * floatvalue ... absolute width
- * p_algo:='auto' ... automatic last page
- * 'new' ... new page
- * intvalue ... pagenumber
- * f_algo floatvalue ... consider footerline (only if y_algo is auto and p_algo is not 'new')
- * @throws PDFDocumentException
- */
- public TablePos(String pos_string) throws PDFDocumentException
- {
- //parse posstring and throw exception
- //[x:x_algo];[y:y_algo];[w:w_algo][p:p_algo];[f:f_algo]
-
- String[] strs = pos_string.split(";");
- try
- {
- for (int cmds = 0;cmds<strs.length;cmds++)
- {
-
- String cmd_kvstring = strs[cmds];
- String[] cmd_kv = cmd_kvstring.split(":");
- if (cmd_kv.length != 2)
- {
- throw new PDFDocumentException(ErrorCode.INVALID_SIGNATURE_POSITION, "Pos string (=" + pos_string + ") is invalid.");
- }
- String cmdstr = cmd_kv[0];
- if (cmdstr.length() != 1)
- {
- throw new PDFDocumentException(ErrorCode.INVALID_SIGNATURE_POSITION, "Pos string (=" + pos_string + ") is invalid.");
- }
- char command = cmdstr.charAt(0);
- String commandval= cmd_kv[1];
- switch (command)
- {
- case 'x': {
- if (!commandval.equalsIgnoreCase("auto"))
- {
- float xval= Float.parseFloat(commandval);
- if (xval<0)
- {
- throw new PDFDocumentException(228, "Pos string (x:" + xval + ") is invalid.");
- }
- this.pos_x = xval;
- this.autoX = false;
- }
- break;
- }
- case 'y': {
- if (!commandval.equalsIgnoreCase("auto"))
- {
- float yval= Float.parseFloat(commandval);
- if (yval<0)
- {
- throw new PDFDocumentException(229, "Pos string (y:" + yval + ") is invalid.");
- }
- this.pos_y = yval;
- this.autoY = false;
- }
- break;
- }
- case 'w': {
- if (!commandval.equalsIgnoreCase("auto"))
- {
- float wval= Float.parseFloat(commandval);
- if (wval<=0)
- {
- throw new PDFDocumentException(226, "pos.width (w:" + wval + ") must not be lower or equal 0.");
- }
- this.width = wval;
- this.autoW = false;
- }
- break;
- }
- case 'p': {
- if (!commandval.equalsIgnoreCase("auto"))
- {
- if (commandval.equalsIgnoreCase("new"))
- {
- this.newpage = true;
- }
- else
- {
- int pval = Integer.parseInt(commandval);
- if (pval<1)
- {
- throw new PDFDocumentException(225, "Page (p:" + pval + ") must not be lower than 1.");
- }
- this.page = pval;
- this.autoP = false;
- }
- }
- break;
- }
- case 'f': {
- float flval=Float.parseFloat(commandval);
- if (flval<0)
- {
- throw new PDFDocumentException(ErrorCode.INVALID_SIGNATURE_POSITION, "Pos string (=" + pos_string + ") is invalid.");
- }
- this.footer_line = flval;
- break;
- }
- default : {
- throw new PDFDocumentException(ErrorCode.INVALID_SIGNATURE_POSITION, "Pos string (=" + pos_string + ") is invalid.");
- }
- }
- }
- this.myposstring=pos_string;
- }
- catch (NumberFormatException e)
- {
- throw new PDFDocumentException(ErrorCode.INVALID_SIGNATURE_POSITION, "Pos string (=" + pos_string + ") cannot be parsed.");
- }
- }
- public String toString()
- {
- String thatsme = "cmd:"+this.myposstring+" pos_x:"+this.pos_x+" pos_y:"+this.pos_y+" page:"+this.page+" width:"+this.width+" footer:"+this.footer_line+"\n "+" autoX:"+this.autoX+" autoY:"+this.autoY+" autoW:"+this.autoW+" Newpage:"+this.newpage+" autoP:"+this.autoP;
- return thatsme;
- }
-}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/TextualSignature.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/TextualSignature.java deleted file mode 100644 index 35a0768..0000000 --- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/TextualSignature.java +++ /dev/null @@ -1,282 +0,0 @@ -/**
- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
- * joint initiative of the Federal Chancellery Austria and Graz University of
- * Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- *
- * $Id: TextualSignature.java,v 1.4 2006/10/31 08:12:45 wprinz Exp $
- */
-package at.knowcenter.wag.egov.egiz.pdf;
-
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.IOException;
-
-import org.apache.log4j.Logger;
-import org.pdfbox.pdfparser.PDFParser;
-import org.pdfbox.pdmodel.PDDocument;
-import org.pdfbox.util.PDFTextStripper;
-
-import at.gv.egiz.pdfas.exceptions.ErrorCode;
-import at.gv.egiz.pdfas.framework.input.PdfDataSource;
-import at.gv.egiz.pdfas.performance.PerformanceCounters;
-import at.gv.egiz.pdfas.utils.PDFASUtils;
-import at.knowcenter.wag.egov.egiz.cfg.ConfigLogger;
-import at.knowcenter.wag.egov.egiz.cfg.SettingsReader;
-import at.knowcenter.wag.egov.egiz.exceptions.PDFDocumentException;
-
-import com.lowagie.text.Document;
-import com.lowagie.text.DocumentException;
-import com.lowagie.text.Rectangle;
-import com.lowagie.text.pdf.PdfContentByte;
-import com.lowagie.text.pdf.PdfImportedPage;
-import com.lowagie.text.pdf.PdfReader;
-import com.lowagie.text.pdf.PdfWriter;
-
-/**
- * Contains helper function for textual signatures.
- *
- * @author wprinz
- */
-public class TextualSignature
-{
- /**
- * The logger definition.
- */
- private static final Logger logger_ = ConfigLogger.getLogger(TextualSignature.class);
-
- /**
- * Extracts the document text from a given pdf.
- *
- * @param pdf_stream
- * The pdf_input stream.
- * @return Returns the extracted document text.
- * @throws PDFDocumentException
- * @throws TextExtractionException
- * Forwarded exception.
- */
- public static String extractTextTextual(PdfDataSource pdfDataSource, String encoding) throws PDFDocumentException
- {
- PerformanceCounters.textExtractions.increment();
-
- try
- {
- int first_page_rotation = 0;
- // logger_.debug("====================================================");
- // logger_.debug("extractText:");
-
- // For text extraction, create a temporary object with iText just as the
- // one
- // created
- // when being signed, but of course without adding content.
-
-
- // byte[] bytes = normalizePDF(pdf_stream);
- //iText
-
- byte [] pdf_data = pdfDataSource.getAsByteArray();
- PdfReader reader = new PdfReader(pdf_data);
- PDFASUtils.checkReaderPermissions(reader);
- //pdf_stream.close();
-
- // PERF: PDF normalization needs byte array - this is costy
- ByteArrayOutputStream baos = new ByteArrayOutputStream(4096);
-
- // For some reason the Reader -> ImportPage -> Writer mechanism produces
- // problems en mass.
- // The text extractor may not be able to extract proper text from
- // documents
- // created with
- // this method (although it works when a Table is appended)... very
- // fragile.
-
- Document document = new Document();
-
- PdfWriter writer = PdfWriter.getInstance(document, baos);
- document.open();
-
- PdfContentByte cb = writer.getDirectContent();
- for (int page_num = 1; page_num <= reader.getNumberOfPages(); page_num++)
- {
- //Rectangle new_size = reader.getPageSize(page_num);
- //logger_.info("PageSize with no rotaion: Pagenr:"+page_num+" Size: "+new_size);
- //document.setPageSize(new_size);
- Rectangle new_size_withrot =reader.getPageSizeWithRotation(page_num);
- if (page_num == 1)
- {
- //setFirstPageRotation(new_size_withrot.getRotation());
- first_page_rotation = new_size_withrot.getRotation();
- //logger_.info("iText first_page_rotation="+new_size_withrot.getRotation());
- }
- //logger_.info("iText set PageSize of page:"+page_num+" to: "+new_size_withrot);
- //document.setPageSize(new_size);
- document.setPageSize(new_size_withrot);
- document.newPage();
-
- PdfImportedPage page = writer.getImportedPage(reader, page_num);
- // note that this will add an xobject form to the doc.
- // the xobject form contains the content of the page.
- cb.addTemplate(page, 0, 0);
-
- // wprinz: debugging
- // cb.beginText();
- // cb.setFontAndSize(BaseFont.createFont(BaseFont.HELVETICA,
- // BaseFont.CP1252, BaseFont.NOT_EMBEDDED), 14);
- // cb.showText("page " + page_num);
- // cb.endText();
- // wprinz: end debugging
- }
-
- document.close();
-
- // for (int i = 1; i <= reader.getNumberOfPages(); i++)
- // {
- // Rectangle rect = reader.getBoxSize(i, "bleed");
- // logger_.debug("rect[" + i + "] = " + rect);
- // }
-
- baos.close();
- byte[] normalizedPDF = baos.toByteArray();
-
- ByteArrayInputStream bais = new ByteArrayInputStream(normalizedPDF);
- //PDFBox-parser
- PDFParser parser = new PDFParser(bais);
- File temporary_dir = SettingsReader.getTemporaryDirectory();
- //logger_.info("temporary_dir="+temporary_dir.getAbsolutePath());
- parser.setTempDirectory(temporary_dir);
- parser.parse();
-
- PDDocument doc = parser.getPDDocument();
- //System.out.println("pdfBox.getNumberOfPages()"+doc.getNumberOfPages());
-
- PDFTextStripper stripper = new PDFTextStripper();
- stripper.setSortByPosition(false);
- stripper.setGetFirstPageRotationFromThis(true);
- stripper.setFirstPageRotation(first_page_rotation);
-
- // stripper.setStartPage(4);
- // stripper.setEndPage(4);
- logger_.debug("TextualSignator extractTextTextual: Begin stripping text");
- String text;
- try {
- text = stripper.getText(doc, encoding);
- } catch (Exception e) {
- throw new PDFDocumentException(ErrorCode.TEXT_EXTRACTION_EXCEPTION, "Unable to extract textual content.", e);
- }
- logger_.debug("TextualSignator extractTextTextual: Stripping text ended");
-
- doc.close();
- //logger_.debug("TextualSignator extractTextTextual="+text);
- return text;
-
- }
- catch (IllegalArgumentException e)
- {
- throw new PDFDocumentException(ErrorCode.DOCUMENT_CANNOT_BE_READ, e);
- }
- catch (IOException e)
- {
- throw new PDFDocumentException(ErrorCode.DOCUMENT_CANNOT_BE_READ, e);
- }
- catch (DocumentException e)
- {
- throw new PDFDocumentException(ErrorCode.DOCUMENT_CANNOT_BE_READ, e);
- }
- }
-
- /**
- * Normalizes a given binary PDF to a version PDFbox can handle correctly.
- *
- * <p>
- * PDFbox has serious problems with documents that use incremental updates or
- * XObject forms. Therefor use this to remove incremental updates and create a
- * streamlined document.
- * </p>
- *
- * <p>
- * Note that this has nothing to do with text normalization. It just unifies
- * the PDF documents that are fed into PDFbox for text extraction and page
- * length determination.
- * </p>
- *
- * @param input_pdf
- * The input pdf to be normalized.
- * @return Returns the normalized pdf.
- * @throws IOException
- * @throws DocumentException
- * @throws PDFDocumentException
- */
- public static byte[] normalizePDF(PdfDataSource pdfDataSource) throws IOException, DocumentException, PDFDocumentException
- {
- //iText
- byte [] pdf_data = pdfDataSource.getAsByteArray();
- PdfReader reader = new PdfReader(pdf_data);
- PDFASUtils.checkReaderPermissions(reader);
- //input_pdf.close();
-
- // PERF: PDF Normalization needs byte array
- ByteArrayOutputStream baos = new ByteArrayOutputStream();
- // For some reason the Reader -> ImportPage -> Writer mechanism produces
- // problems en mass.
- // The text extractor may not be able to extract proper text from
- // documents
- // created with
- // this method (although it works when a Table is appended)... very
- // fragile.
-
- Document document = new Document();
-
- PdfWriter writer = PdfWriter.getInstance(document, baos);
- document.open();
-
- PdfContentByte cb = writer.getDirectContent();
- for (int page_num = 1; page_num <= reader.getNumberOfPages(); page_num++)
- {
- Rectangle new_size_withrot =reader.getPageSizeWithRotation(page_num);
- document.setPageSize(new_size_withrot);
- document.newPage();
- PdfImportedPage page = writer.getImportedPage(reader, page_num);
- // note that this will add an xobject form to the doc.
- // the xobject form contains the content of the page.
- cb.addTemplate(page, 0, 0);
-
- // wprinz: debugging
- // cb.beginText();
- // cb.setFontAndSize(BaseFont.createFont(BaseFont.HELVETICA,
- // BaseFont.CP1252, BaseFont.NOT_EMBEDDED), 14);
- // cb.showText("page " + page_num);
- // cb.endText();
- // wprinz: end debugging
- }
-
- document.close();
-
- // for (int i = 1; i <= reader.getNumberOfPages(); i++)
- // {
- // Rectangle rect = reader.getBoxSize(i, "bleed");
- // logger_.debug("rect[" + i + "] = " + rect);
- // }
-
- baos.close();
- byte[] normalizedPDF = baos.toByteArray();
- return normalizedPDF;
- }
-}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/TextualSignatureHolder.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/TextualSignatureHolder.java deleted file mode 100644 index 165de05..0000000 --- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/TextualSignatureHolder.java +++ /dev/null @@ -1,153 +0,0 @@ -/**
- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
- * joint initiative of the Federal Chancellery Austria and Graz University of
- * Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- *
- * $Id: TextualSignatureHolder.java,v 1.1 2006/10/11 07:58:17 wprinz Exp $
- */
-package at.knowcenter.wag.egov.egiz.pdf;
-
-import java.io.Serializable;
-import java.util.Iterator;
-import java.util.List;
-
-import at.gv.egiz.pdfas.framework.input.DataSource;
-import at.gv.egiz.pdfas.framework.input.TextDataSource;
-import at.gv.egiz.pdfas.impl.input.TextDataSourceImpl;
-import at.knowcenter.wag.egov.egiz.sig.SignatureObject;
-
-/**
- * Data structure that holds the information of one signature block, which is
- * the signed/signable text and the corresponding SignatureObject.
- *
- * @author wprinz
- */
-public class TextualSignatureHolder implements Serializable, SignatureHolder
-{
-
- /**
- * SVUID.
- */
- private static final long serialVersionUID = -7208103904479272760L;
-
-// /**
-// * The signed text of this object.
-// *
-// * <p>
-// * This is the value that will be signed by the Connector.
-// * </p>
-// */
-// private String signed_text = null;
-
- /**
- * The signature object.
- */
- private SignatureObject signature_object = null;
-
- private TextDataSource textDataSource = null;
-
- private int uiBlockEndPos = 0;
-
- public TextualSignatureHolder(String text, SignatureObject so)
- {
- //this.signed_text = text;
- this.signature_object = so;
- this.textDataSource = new TextDataSourceImpl(text);
- }
-
- public TextualSignatureHolder(TextDataSource text, SignatureObject so)
- {
- //this.signed_text = text;
- this.signature_object = so;
- this.textDataSource = text;
- }
-
-// /**
-// * @see at.knowcenter.wag.egov.egiz.pdf.SignatureHolder#getSignedText()
-// */
-// public String getSignedText()
-// {
-// return this.signed_text;
-// }
-
- /**
- * @see at.knowcenter.wag.egov.egiz.pdf.SignatureHolder#getSignatureObject()
- */
- public SignatureObject getSignatureObject()
- {
- return this.signature_object;
- }
-
- /**
- * @see at.knowcenter.wag.egov.egiz.pdf.SignatureHolder#getDataSource()
- */
- public DataSource getDataSource()
- {
- return this.textDataSource;
- }
-
- /**
- * This is used to replace the DataSource.
- *
- * <p>
- * After processing the text, data sources containing large texts are usually replaced by a FileBased ones to save memory.
- * </p>
- *
- * @param tds
- */
- public void exchangeDataSource(TextDataSource tds)
- {
- this.textDataSource = tds;
- }
-
- /**
- * This is just a shortcut to getDataSource().getText()
- * @return Returns the text of this data source.
- */
- public String getSignedText()
- {
- return this.textDataSource.getText();
- }
-
- public int getUiBlockEndPos() {
- return this.uiBlockEndPos;
- }
-
- public void setUiBlockEndPos(int uiBlockEndPos) {
- this.uiBlockEndPos = uiBlockEndPos;
- }
-
- public static void mulitSetUiBlockEndPos(List signatureHolders, int uiBlockEndPos) {
- for (Iterator it = signatureHolders.iterator(); it.hasNext();) {
- SignatureHolder sh = (SignatureHolder) it.next();
- trySetUiBlockEndPos(sh, uiBlockEndPos);
- }
- }
-
- public static void trySetUiBlockEndPos(SignatureHolder sh, int uiBlockEndPos ) {
- if (sh != null && sh instanceof TextualSignatureHolder) {
- ((TextualSignatureHolder)sh).setUiBlockEndPos(uiBlockEndPos);
- }
- }
-
-
-
-}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/Utils.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/Utils.java deleted file mode 100644 index 519d0b5..0000000 --- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/Utils.java +++ /dev/null @@ -1,124 +0,0 @@ -/**
- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
- * joint initiative of the Federal Chancellery Austria and Graz University of
- * Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- *
- * $Id: Utils.java,v 1.3 2006/10/31 08:13:02 wprinz Exp $
- */
-package at.knowcenter.wag.egov.egiz.pdf;
-
-import java.io.File;
-import java.io.IOException;
-import java.io.PrintWriter;
-import java.io.StringWriter;
-
-/**
- * Abstract class that contains helpful utility functions used by the digital
- * signatures.
- *
- * @author wprinz
- */
-public abstract class Utils
-{
-
- /**
- * Extracts the pure content text from a given content stream.
- *
- * <p>
- * The pure content text is just an assembly of all strings that occur within the content stream in
- * stream order.
- * Each of these strings will be set on a new line.
- * </p>
- *
- * @param stream_bytes The content stream.
- * @return Returns the extracted string.
- * @throws IOException Forwarded exception.
- */
- public static String extractPureTextFromContentStream(
- final byte[] stream_bytes) throws IOException
- {
-
- // logger_.debug("stream_bytes:");
- // logger_.debug(new String(stream_bytes, "US-ASCII"));
- // logger_.debug(":end of stream_bytes");
-
- final byte OPEN = '(';
- final byte CLOSE = ')';
-
- StringWriter strwrtr = new StringWriter();
- PrintWriter printer = new PrintWriter(strwrtr);
- int open_index = -1;
- int close_index = -1;
- for (int i = 0; i < stream_bytes.length; i++)
- {
- if (stream_bytes[i] == OPEN)
- {
- open_index = i;
- continue;
- }
- if (stream_bytes[i] == CLOSE)
- {
- close_index = i;
-
- // logger_.debug("open = " + open_index + ", close = " +
- // close_index);
-
- int len = close_index - open_index - 1;
- // logger_.debug("len = " + len);
-
- byte[] bytes = new byte[len];
- System.arraycopy(stream_bytes, open_index + 1, bytes, 0, len);
-
- String str = new String(bytes, "ISO-8859-1");
- // logger_.debug("string = " + str);
-
- printer.println(str);
-
- continue;
- }
- }
- strwrtr.close();
- String signature_text = new String(strwrtr.getBuffer());
- // logger_.debug(signature_text);
-
- return signature_text;
- }
-
- public static int max(int[] ints) {
- int max = Integer.MIN_VALUE;
- for (int i = 0; i < ints.length; i++) {
- if (ints[i] > max) {
- max = ints[i];
- }
- }
- return max;
- }
-
- public static String resolveCanonical(String path) {
- File file = new File(path);
- try {
- return file.getCanonicalPath();
- } catch (IOException e) {
- return file.getPath();
- }
- }
-
-}
|