diff options
Diffstat (limited to 'src/main/java/at/gv/egiz')
4 files changed, 93 insertions, 174 deletions
diff --git a/src/main/java/at/gv/egiz/pdfas/commandline/Main.java b/src/main/java/at/gv/egiz/pdfas/commandline/Main.java index 8330238..d65ef45 100644 --- a/src/main/java/at/gv/egiz/pdfas/commandline/Main.java +++ b/src/main/java/at/gv/egiz/pdfas/commandline/Main.java @@ -182,7 +182,7 @@ public abstract class Main } else {
System.out.println("Default configuration has NOT been deployed. Maybe the configuration already exists.");
}
- System.exit(0);
+// System.exit(0);
} catch (ConfigUtilsException e) {
System.err.println("Deployment of default configuration failed: " + e.getMessage());
System.exit(1);
@@ -221,6 +221,11 @@ public abstract class Main {
String cur_arg = args[i].trim();
+ if (cur_arg.equals(PARAMETER_DEPLOY_DEFAULT_CONFIGURATION)) {
+ // already applied
+ continue;
+ }
+
if (cur_arg.equals(PARAMETER_MODE))
{
i++;
diff --git a/src/main/java/at/gv/egiz/pdfas/impl/vfilter/VerificationFilterImpl.java b/src/main/java/at/gv/egiz/pdfas/impl/vfilter/VerificationFilterImpl.java index d353b9a..3ca497b 100644 --- a/src/main/java/at/gv/egiz/pdfas/impl/vfilter/VerificationFilterImpl.java +++ b/src/main/java/at/gv/egiz/pdfas/impl/vfilter/VerificationFilterImpl.java @@ -4,8 +4,10 @@ package at.gv.egiz.pdfas.impl.vfilter;
import java.util.ArrayList;
+import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
+import java.util.Set;
import org.apache.commons.lang.time.StopWatch;
import org.apache.commons.logging.Log;
@@ -54,7 +56,6 @@ public class VerificationFilterImpl implements VerificationFilter private static final Log log = LogFactory.getLog(VerificationFilterImpl.class);
- // tzefferer: added
public static final String CHECK_DOCUMENT = "check_document";
public static final String BINARY_ONLY = "binary_only";
public static final String ASSUME_ONLY_SIGNATURE_BLOCKS = "assume_only_signature_blocks";
@@ -93,7 +94,7 @@ public class VerificationFilterImpl implements VerificationFilter }
String check_doc = settings.getSetting(CHECK_DOCUMENT, "false");
- // tzefferer: check document for textual sigs here here if binary_only is set
+ // check document for textual sigs here here if binary_only is set
if ("true".equalsIgnoreCase(check_doc) &&
parameters.extractBinarySignaturesOnly()) {
@@ -215,8 +216,8 @@ public class VerificationFilterImpl implements VerificationFilter if (linearization_index >= 0)
{
- // logger_.debug("The document is linearized - unrolling
- // linearization block " + linearization_index);
+// logger_.debug("The document is linearized - unrolling
+// linearization block " + linearization_index);
blocks.remove(linearization_index);
}
}
@@ -259,6 +260,19 @@ public class VerificationFilterImpl implements VerificationFilter {
List binarySignatures = extractBinarySignaturesOnly(pdf, blocks);
+ // extract signature values of found binary signature blocks and store these values in a Set
+ // this set is later used to filter out the binary signatures that are recognized as text
+ // signatures.
+ Set binarySigValues = new HashSet();
+ Iterator iterator = binarySignatures.iterator();
+ while(iterator.hasNext()) {
+
+ SignatureHolder sh = (SignatureHolder)iterator.next();
+
+ String sigVal = sh.getSignatureObject().getSignationValue();
+ binarySigValues.add(sigVal);
+ }
+
SignatureHolder oldSignature = null;
//List originalPartitions = partitions;
@@ -278,23 +292,35 @@ public class VerificationFilterImpl implements VerificationFilter }
String check_doc = settings.getSetting(CHECK_DOCUMENT, "false");
- // flags for determination of illegal incremental update
- int sigsFound = 0;
- int sigsFoundPrev = 0;
+ // flag indicating that the last IU-block of the document is a non-signature IU-block
boolean lastBlockWasModified = false;
+ // counter of all signatures (textual and binary) of this document
+ int signatureCounter = 0;
+
+ // counter of all textual signatures in this document
+ int txtSigsSoFar = 0;
+
+ // counter of all textual signatures in the current partition
+ int txtSigsThisPartition = 0;
+
List partitionResults = new ArrayList(partitions.size());
- List nshList = new ArrayList();
+ List nshList = new ArrayList();
+
+ boolean sigFound = false;
for (int i = 0; i < partitions.size(); i++)
{
Partition p = (Partition) partitions.get(i);
-
+ // updating flag and counter
+ boolean partitionContainsNewTextSignatures = true;
+ txtSigsSoFar = txtSigsThisPartition;
+
if (p instanceof TextPartition)
{
TextPartition tp = (TextPartition) p;
-
+
List partitionResult = null;
boolean scanThisPartitionForOldSignature = (i == 0) && scanForOldSignatures;
@@ -309,27 +335,59 @@ public class VerificationFilterImpl implements VerificationFilter partitionResult = extractSignaturesFromPartition(pdf, tp);
}
- sigsFoundPrev = sigsFound;
- sigsFound = partitionResult.size();
+ // binary signature blocks that have been detected as well are identified by comparing their signature values
+ // with those stored in our Set above and are not considered for our IU-check
+ List onlyTextSignatures = new ArrayList();
+ Iterator iter = partitionResult.iterator();
+ while(iter.hasNext()) {
+
+ SignatureHolder sh = (SignatureHolder)iter.next();
+ if(!binarySigValues.contains(sh.getSignatureObject().getSignationValue())) {
+
+ onlyTextSignatures.add(sh);
+ }
+ }
+
+ // update signature counters
+ txtSigsThisPartition = onlyTextSignatures.size();
+ int newTextSignatures = txtSigsThisPartition - txtSigsSoFar;
+ signatureCounter = signatureCounter + newTextSignatures;
+
+ // update sigFound flag
+ if(txtSigsThisPartition > 0) {
+
+ sigFound = true;
+ }
+
+ // TextPartition is only valid, if at least one more text signature has been found than in the previous text partition
+ if(!(newTextSignatures > 0)) {
+
+ partitionContainsNewTextSignatures = false;
+ }
+
partitionResults.add(partitionResult);
} else {
// should be binary partition
if(p instanceof BinaryPartition) {
+
BinaryPartition binpart = (BinaryPartition)p;
- // add number (n) of found binary signatures - if there is a subsequent textual partition,
- // at least n+1 sigs have to be found (note: sig-blocks of binary signatures are also extracted and detected)
- sigsFound = sigsFound + binpart.blocks.size();
+
+ // updating counter and flag
+ signatureCounter = signatureCounter + binpart.blocks.size();
+ sigFound = true;
}
}
- // add NoSignatureHolder object if there were already signatures, but current block does not contain any signatures
- if((check_doc.equalsIgnoreCase("true"))&& ((sigsFoundPrev > 0) && !(sigsFound > sigsFoundPrev)) ) {
-
- nshList.add(new NoSignatureHolder(sigsFound));
-
+ // if document checking is enabled, at least one signature has been found so far, we are dealing with a
+ // non-signature IU-block
+ if((check_doc.equalsIgnoreCase("true"))&& (sigFound && !partitionContainsNewTextSignatures)) {
+
+ nshList.add(new NoSignatureHolder(signatureCounter));
lastBlockWasModified = true;
+
} else {
+
lastBlockWasModified = false;
}
@@ -669,10 +727,10 @@ public class VerificationFilterImpl implements VerificationFilter {
int endOfDocument = VerificationFilterHelper.getEndOfPartition(partition);
- log.debug("Extracting text from 0 to " + endOfDocument + " (total document size = " + pdf.getLength() + "):");
+// log.debug("Extracting text from 0 to " + endOfDocument + " (total document size = " + pdf.getLength() + "):");
String extractedText = extractText(pdf, endOfDocument);
- log.debug("Extracting text finished.");
- log.debug("extracted text: " + extractedText);
+// log.debug("Extracting text finished.");
+// log.debug("extracted text: " + extractedText);
SignaturesAndOld sao = extractSignaturesAndOld(extractedText);
@@ -684,91 +742,6 @@ public class VerificationFilterImpl implements VerificationFilter }
}
-// // tzefferer: added method
-// protected void checkDocument(PdfDataSource pdf, List blocks, VerificationFilterParameters parameters) throws VerificationFilterException {
-//
-// boolean consider_old_sigs = parameters.scanForOldSignatures();
-// boolean binary_only = parameters.extractBinarySignaturesOnly();
-// boolean assume_sigs_only = parameters.assumeOnlySignatureUpdateBlocks();
-//
-// if(binary_only) {
-// // check if document contains textual signatures
-// checkBinaryOnly(pdf, consider_old_sigs);
-// }
-// if(!assume_sigs_only) {
-// // check if document contains post-sign modifications
-// checkUpdateBlocks(pdf, blocks, consider_old_sigs);
-// }
-// }
- // tzefferer: added method
-// protected void checkUpdateBlocks(PdfDataSource pdf, List blocks, boolean considerOldSigs) throws VerificationFilterException {
-//
-// boolean sig_detected = false;
-//
-// if (considerOldSigs) {
-//
-// DelimitedPdfDataSource dds = new DelimitedPdfDataSource(pdf, pdf.getLength());
-// String text = null;
-// try {
-// text = PdfAS.extractNormalizedTextTextual(dds);
-// } catch (PresentableException e) {
-// throw new VerificationFilterException(e);
-// }
-//
-// SignaturesAndOld sao = extractSignaturesAndOld(text);
-//
-// if ((sao != null) && (sao.oldSignature != null)) {
-// sig_detected = true;
-// }
-// }
-//
-//
-// Iterator it = blocks.iterator();
-// String prev_text = null;
-//
-// while (it.hasNext())
-// {
-// boolean sig_in_current_block = false;
-//
-// FooterParseResult fpr = (FooterParseResult) it.next();
-//
-// DelimitedPdfDataSource dds = new DelimitedPdfDataSource(pdf, fpr.next_index);
-//
-// String text;
-// try {
-// text = PdfAS.extractNormalizedTextTextual(dds);
-// } catch (PresentableException e) {
-// throw new VerificationFilterException(e);
-// }
-//
-// if (prev_text == null) {
-// prev_text = text;
-// } else {
-// String texttmp = text.substring(prev_text.length());
-// prev_text = text;
-// text = texttmp;
-// }
-//
-// List sig_holders = null;
-// try {
-// sig_holders = AbsoluteTextSignature.extractSignatureHoldersFromText(text);
-// } catch (SignatureException e) {
-// throw new VerificationFilterException(e);
-// } catch (SignatureTypesException e) {
-// throw new VerificationFilterException(e);
-// }
-//
-// if((sig_holders != null) && (sig_holders.size() > 0)) {
-// sig_detected = true;
-// sig_in_current_block = true;
-// }
-//
-// if((sig_detected) && (!sig_in_current_block)) {
-// throw new VerificationFilterException(ErrorCode.MODIFIED_AFTER_SIGNATION, "The document has been modified after being signed.");
-// }
-// }
-// }
- // tzefferer: added method
protected void checkBinaryOnly(PdfDataSource pdf, boolean considerOldSigs) throws VerificationFilterException {
DelimitedPdfDataSource dds = new DelimitedPdfDataSource(pdf, pdf.getLength());
diff --git a/src/main/java/at/gv/egiz/pdfas/test/APITest.java b/src/main/java/at/gv/egiz/pdfas/test/APITest.java deleted file mode 100644 index 9e52a41..0000000 --- a/src/main/java/at/gv/egiz/pdfas/test/APITest.java +++ /dev/null @@ -1,65 +0,0 @@ -package at.gv.egiz.pdfas.test;
-
-import java.io.File;
-import java.io.IOException;
-
-import at.gv.egiz.pdfas.PdfAsFactory;
-import at.gv.egiz.pdfas.api.PdfAs;
-import at.gv.egiz.pdfas.api.commons.Constants;
-import at.gv.egiz.pdfas.api.exceptions.PdfAsException;
-import at.gv.egiz.pdfas.api.io.DataSource;
-import at.gv.egiz.pdfas.api.sign.SignParameters;
-import at.gv.egiz.pdfas.api.sign.pos.SignaturePositioning;
-import at.gv.egiz.pdfas.io.FileBasedDataSink;
-import at.gv.egiz.pdfas.io.FileBasedDataSource;
-
-public final class APITest {
-
- private APITest() {
- }
-
- public static void main(String[] args) {
- File configdir = new File("D:/downloads/testpdfas");
- File unsignedFile = new File("./test-files/blindtext.pdf");
- File signedFile = new File("d:/temp/blindtext_signed.pdf");
- String signatureMode = Constants.SIGNATURE_TYPE_BINARY;
- String signatureDevice = Constants.SIGNATURE_DEVICE_MOA;
- String signatureProfile = "SIGNATURBLOCK_MINIMAL_DE";
- SignaturePositioning signaturePos = null;
-
- PdfAs pdfasAPI = null;
-
- try {
-
- // instantiate api
- pdfasAPI = PdfAsFactory.createPdfAs(configdir);
-
- // set source
- DataSource dataSource = new FileBasedDataSource(unsignedFile, "application/pdf");
-
- // set output
- FileBasedDataSink dataSink = new FileBasedDataSink(signedFile);
-
- // configure signature
- SignParameters signParameters = new SignParameters();
- signParameters.setDocument(dataSource);
- signParameters.setOutput(dataSink);
- signParameters.setSignatureType(signatureMode);
- signParameters.setSignatureDevice(signatureDevice);
- signParameters.setSignatureProfileId(signatureProfile);
- signParameters.setSignaturePositioning(signaturePos);
-
- // sign
- pdfasAPI.sign(signParameters);
-
- System.out.println("Successfully signed.");
-
- } catch (PdfAsException e) {
- e.printStackTrace();
- } catch (IOException e) {
- e.printStackTrace();
- }
-
- }
-
-}
diff --git a/src/main/java/at/gv/egiz/pdfas/web/helper/SignServletHelper.java b/src/main/java/at/gv/egiz/pdfas/web/helper/SignServletHelper.java index 341b97c..f9cb809 100644 --- a/src/main/java/at/gv/egiz/pdfas/web/helper/SignServletHelper.java +++ b/src/main/java/at/gv/egiz/pdfas/web/helper/SignServletHelper.java @@ -22,6 +22,7 @@ import at.gv.egiz.pdfas.impl.output.ByteArrayDataSink; import at.gv.egiz.pdfas.impl.output.FileBasedDataSink;
import at.gv.egiz.pdfas.web.SignSessionInformation;
import at.knowcenter.wag.egov.egiz.PdfASID;
+import at.knowcenter.wag.egov.egiz.exceptions.PDFDocumentException;
import at.knowcenter.wag.egov.egiz.exceptions.PresentableException;
import at.knowcenter.wag.egov.egiz.framework.signators.DetachedSignator_1_0_0;
import at.knowcenter.wag.egov.egiz.sig.ConnectorFactory;
@@ -109,6 +110,11 @@ public class SignServletHelper {
log.debug("finishSign:"); //$NON-NLS-1$
+ // check if document is empty
+ if (si.si.getSignatureData() == null || si.si.getSignatureData().getDataSource().getLength() == 0) {
+ throw new PDFDocumentException(250, "The document is empty.");
+ }
+
log.debug("connector = " + si.connector); //$NON-NLS-1$
if (ConnectorFactory.isConnectorLocal(si.connector))
{
|