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+/*
+ * <copyright> Copyright (c) 2006 by Know-Center, Graz, Austria </copyright>
+ *
+ * This software is the confidential and proprietary information of Know-Center,
+ * Graz, Austria. You shall not disclose such Confidential Information and shall
+ * use it only in accordance with the terms of the license agreement you entered
+ * into with Know-Center.
+ *
+ * KNOW-CENTER MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
+ * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
+ * NON-INFRINGEMENT. KNOW-CENTER SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY
+ * LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
+ * DERIVATIVES.
+ *
+ * $Id: SignatureObject.java,v 1.7 2006/10/31 08:18:56 wprinz Exp $
+ */
+package at.knowcenter.wag.egov.egiz.sig;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.Serializable;
+import java.io.UnsupportedEncodingException;
+import java.util.ArrayList;
+import java.util.Hashtable;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.Vector;
+
+import org.apache.log4j.Logger;
+
+import at.knowcenter.wag.egov.egiz.PdfASID;
+import at.knowcenter.wag.egov.egiz.cfg.ConfigLogger;
+import at.knowcenter.wag.egov.egiz.cfg.SettingsReader;
+import at.knowcenter.wag.egov.egiz.exceptions.InvalidIDException;
+import at.knowcenter.wag.egov.egiz.exceptions.NormalizeException;
+import at.knowcenter.wag.egov.egiz.exceptions.SettingNotFoundException;
+import at.knowcenter.wag.egov.egiz.exceptions.SettingsException;
+import at.knowcenter.wag.egov.egiz.exceptions.SignatureException;
+import at.knowcenter.wag.egov.egiz.exceptions.SignatureTypesException;
+import at.knowcenter.wag.egov.egiz.framework.SignatorFactory;
+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 at.knowcenter.wag.egov.egiz.tools.CodingHelper;
+import at.knowcenter.wag.egov.egiz.tools.FileHelper;
+import at.knowcenter.wag.egov.egiz.tools.Normalizer;
+
+/**
+ * This class represents the abstract signature object. It contains all methods
+ * reading the definitions from the settings file, analyse them and build the
+ * abstract signature table. <br>
+ * All values that build or used by the signation creation process, call the
+ * external services, can read or set separately. All other values are defined
+ * in the settings file.
+ *
+ * @author wlackner
+ */
+public class SignatureObject implements Serializable
+{
+
+ /**
+ * SVUID.
+ */
+ private static final long serialVersionUID = -3257189232362254713L;
+
+ /**
+ * The system file separator char
+ */
+ private static final String FILE_SEP = System.getProperty("file.separator");
+
+ /**
+ * The certificate extension
+ */
+ private static final String CERT_FILE_EXTENSION = ".der";
+
+ /**
+ * certificate import dir
+ */
+ private static final String CERT_ADD_DIR = "tobeadded";
+
+ /**
+ * The default style definition for images.
+ */
+ private Style defaultImageStyle_ = new Style();
+
+ /**
+ * The default style definition for captions.
+ */
+ private Style defaultCaptionStyle_ = new Style();
+
+ /**
+ * The default style definition for values.
+ */
+ private Style defaultValueStyle_ = new Style();
+
+ /**
+ * Standard key get/set the signature meta informations
+ */
+ public static final String SIG_META = "SIG_META";
+
+ /**
+ * Standard key get/set the certification value
+ */
+ public static final String SIG_CER = "SIG_CER";
+
+ /**
+ * Standard key get/set the certification digest value
+ */
+ public static final String SIG_CER_DIG = "SIG_CER_DIG";
+
+ private X509Cert x509Cert_ = null;
+
+ // public static final String SIG_RES = "SIG_RES";
+ // dummy value for debugging only
+ private String sigResponse_ = null;
+
+ /**
+ * The logger definition.
+ */
+ private static final Logger logger_ = ConfigLogger.getLogger(SignatureObject.class);
+
+ /**
+ * The normalizer reference
+ */
+ private Normalizer normalizer_ = null;
+
+ /**
+ * The settings reader reference
+ */
+ private SettingsReader settings_ = null;
+
+ // /**
+ // * The reference to the settings property tree
+ // */
+ // private PropertyTree pTree_ = null;
+ /**
+ * The current signature type used reading and analysing the property tree
+ */
+ private String sigType_ = null;
+
+ /**
+ * Reference from signature key to there corresponding value
+ */
+ private Hashtable sigEntries_ = new Hashtable(8);
+
+ /**
+ * The abstract table representation
+ */
+ private Table sigTable_ = null;
+
+ // private HashMap sigIndexMap_ = new HashMap();
+
+ /**
+ * Path value storing and fetching the certificates
+ */
+ private String certPath_ = null;
+
+ /**
+ * the signature definition object
+ */
+ private SignatureTypeDefinition signatureDefinition_ = null;
+
+ /**
+ * The raw xml response from the connector that was used to set the values in
+ * this SignatureObject.
+ *
+ * <p>
+ * This is set by the Connector so that signing Applications can use the
+ * returned XML values.
+ * </p>
+ */
+ protected String raw_signature_response = null;
+
+ /**
+ * The empty constructor. It initilize the normlizer, load the settings and
+ * set the default styles.
+ *
+ * @throws SignatureException
+ * ErrorCode:101, 400
+ */
+ public SignatureObject() throws SignatureException
+ {
+ initNormalizer();
+ loadSettings();
+ setDefaultStyles();
+ }
+
+ /**
+ * This method initialize the normalizer
+ *
+ * @throws SignatureException
+ * ErrorCode:400
+ */
+ private void initNormalizer() throws SignatureException
+ {
+ try
+ {
+ normalizer_ = new Normalizer();
+ }
+ catch (NormalizeException e)
+ {
+ SignatureException se = new SignatureException(400, "Normalizer can not be initialized", e);
+ throw se;
+ }
+ }
+
+ /**
+ * This method load the signature definitions
+ *
+ * @throws SignatureException
+ * ErrorCode:101
+ */
+ private void loadSettings() throws SignatureException
+ {
+ 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);
+ SignatureException se = new SignatureException(101, log_message, e);
+ se.setErrorCode(101);
+ throw se;
+ }
+ }
+ // pTree_ = settings_.getPTree();
+
+ certPath_ = SettingsReader.CERT_PATH;
+ }
+
+ /**
+ * This method set the default styles for images, captions and values.
+ */
+ private void setDefaultStyles()
+ {
+ defaultImageStyle_.setPadding(3);
+ defaultImageStyle_.setHAlign(Style.CENTER);
+ defaultImageStyle_.setVAlign(Style.MIDDLE);
+ defaultImageStyle_.setBgColor(null);
+
+ defaultCaptionStyle_.setHAlign(Style.CENTER);
+ defaultCaptionStyle_.setVAlign(Style.MIDDLE);
+
+ defaultValueStyle_.setVAlign(Style.MIDDLE);
+ }
+
+ /**
+ * Dummy getter Method for debugging only
+ *
+ * @return response string
+ */
+ public String getSigResponse()
+ {
+ return sigResponse_;
+ }
+
+ /**
+ * Dummy setter Method for debugging only
+ *
+ * @param sigRespone
+ * store the response string
+ */
+ public void setSigResponse(String sigRespone)
+ {
+ sigResponse_ = sigRespone;
+ }
+
+ /**
+ * This method set the signature type.
+ *
+ * @param sigType
+ * the signature type to be set
+ * @throws SignatureTypesException
+ */
+ public void setSigType(String sigType) throws SignatureTypesException
+ {
+ SignatureTypes sig_types = SignatureTypes.getInstance();
+ signatureDefinition_ = sig_types.getSignatureTypeDefinition(sigType_);
+ sigType_ = sigType;
+ }
+
+ /**
+ * Returns the default signation type
+ *
+ * @return the key for the default signature definition, if the key is not
+ * found it returns null
+ */
+ private String getDefaultSigType()
+ {
+ return settings_.getSetting(SignatureTypes.DEFAULT_TYPE, null);
+ }
+
+ /**
+ * This method checks if a given signature key is realy a defined signature
+ * key.
+ *
+ * @param sigKey
+ * the key to check
+ * @return true if the key is correct, false if the given key is not defined
+ */
+ public boolean isSigKey(String sigKey)
+ {
+ return signatureDefinition_.contains(sigKey);
+ }
+
+ /**
+ * This method adds an signaton value to the entry cache. If a key is not in
+ * the cache a new signature entry is createad. Therefor the method return
+ * true. <br>
+ * The value that has to be set would be normalized! <br>
+ * <b>If the key equals to <code>SIG_VALUE</code> all whitespaces are
+ * removed! </b> <br>
+ *
+ * @param key
+ * the key to be set
+ * @param value
+ * the value to be set
+ * @return <code>true</code> if a new signature value is created,
+ * <code>false</code> otherwise
+ */
+ public boolean setSigValue(String key, String value)
+ {
+ SignatureEntry sig_entry = null;
+ boolean is_new = false;
+ if (sigEntries_.containsKey(key))
+ {
+ sig_entry = (SignatureEntry) sigEntries_.get(key);
+ }
+ else
+ {
+ sig_entry = new SignatureEntry(key);
+ sigEntries_.put(key, sig_entry);
+ is_new = true;
+ }
+ value = normalizer_.normalize(value);
+ if (SignatureTypes.SIG_VALUE.equals(key) || SignatureTypes.SIG_ID.equals(key) || SignatureTypes.SIG_NUMBER.equals(key))
+ {
+ value = removeAllWhiteSpaces(value);
+ }
+ sig_entry.setValue(value);
+ return is_new;
+ }
+
+ public boolean setValueBruteForce(String key, String value)
+ {
+ SignatureEntry sig_entry = null;
+ boolean is_new = false;
+ if (sigEntries_.containsKey(key))
+ {
+ sig_entry = (SignatureEntry) sigEntries_.get(key);
+ }
+ else
+ {
+ sig_entry = new SignatureEntry(key);
+ sigEntries_.put(key, sig_entry);
+ is_new = true;
+ }
+ sig_entry.setValue(value);
+ return is_new;
+ }
+
+ /**
+ * Set the value and the caption to given key.
+ *
+ * @param key
+ * the key of the signature object
+ * @param value
+ * the value of the given key
+ * @param caption
+ * the caption of the given key
+ */
+ public void setSigValueCaption(String key, String value, String caption)
+ {
+ setSigValue(key, value);
+ SignatureEntry sig_entry = (SignatureEntry) sigEntries_.get(key);
+ sig_entry.setCaption(caption);
+ }
+
+ /**
+ * This method returns a value for a given signature key. If the key equals to
+ * <code>SIG_NORM</code> and the value is <code>null</code> the version
+ * string of the current normalizer is returned!
+ *
+ * @param key
+ * the key to get the value for
+ * @return a value for the given key
+ */
+ public String getSigValue(String key)
+ {
+ String value = null;
+ if (sigEntries_.containsKey(key))
+ {
+ value = ((SignatureEntry) sigEntries_.get(key)).getValue();
+ }
+ if (value == null && SignatureTypes.SIG_NORM.equals(key))
+ {
+ value = normalizer_.getVersion();
+ }
+ return value;
+ }
+
+ /**
+ * Sets the "Kennzeichnung".
+ *
+ * @param kz
+ * The "Kennzeichnung" to be set.
+ */
+ public void setKZ(PdfASID kz)
+ {
+ setSigValue(SignatureTypes.SIG_KZ, kz.toString());
+ }
+
+ /**
+ * Returns the "Kennzeichnung" of this signature.
+ *
+ * @return Returns the "Kennzeichnung" of this signature. Returns null if
+ * there is no "Kennzeichnung" or it is not recognized by this
+ * application.
+ */
+ public PdfASID getKZ() throws InvalidIDException
+ {
+ String kz_string = getSigValue(SignatureTypes.SIG_KZ);
+ if (kz_string == null)
+ {
+ return null;
+ }
+ PdfASID kz = null;
+ try
+ {
+ kz = new PdfASID(kz_string);
+ }
+ catch (InvalidIDException e)
+ {
+ e.printStackTrace();
+ }
+ return kz;
+ }
+
+ /**
+ * This method returns a caption for a given signature key. If the key exists
+ * and the coresponding value is <code>null</code> the key itself is
+ * returned as caption! If the key does not exist the method returns
+ * <code>null</code>.
+ *
+ * @param key
+ * the key to get the caption for
+ * @return a caption for the given key
+ */
+ private String getSigCaption(String key)
+ {
+ String caption = null;
+ if (sigEntries_.containsKey(key))
+ {
+ caption = ((SignatureEntry) sigEntries_.get(key)).getCaption();
+ if (caption == null)
+ {
+ caption = key;
+ }
+ }
+ return caption;
+ }
+
+ /**
+ * @return Returns the SignationType.
+ */
+ public String getSignationType()
+ {
+ if (sigType_ == null)
+ {
+ sigType_ = getDefaultSigType();
+ }
+ return sigType_;
+ }
+
+ /**
+ * @return Returns the SignationDate.
+ */
+ public String getSignationDate()
+ {
+ return getSigValue(SignatureTypes.SIG_DATE);
+ }
+
+ /**
+ * @param sigDate
+ * The SignationDate to set.
+ */
+ public void setSignationDate(String sigDate)
+ {
+ setSigValue(SignatureTypes.SIG_DATE, sigDate);
+ }
+
+ /**
+ * @return Returns the SignationName.
+ */
+ public String getSignationName()
+ {
+ return getSigValue(SignatureTypes.SIG_NAME);
+ }
+
+ /**
+ * @param sigName
+ * The SignationName to set.
+ */
+ public void setSignationName(String sigName)
+ {
+ setSigValue(SignatureTypes.SIG_NAME, sigName);
+ }
+
+ /**
+ * @return Returns the SignationNormVersion.
+ */
+ public String getSignationNormVersion()
+ {
+ return getSigValue(SignatureTypes.SIG_NORM);
+ }
+
+ /**
+ * @param sigNormVersion
+ * The SignationNormVersion to set.
+ */
+ public void setSignationNormVersion(String sigNormVersion)
+ {
+ setSigValue(SignatureTypes.SIG_NORM, sigNormVersion);
+ }
+
+ /**
+ * @return Returns the SignationIssuer.
+ */
+ public String getSignationIssuer()
+ {
+ String issuer = getSigValue(SignatureTypes.SIG_ISSUER);
+ X509Cert cert = loadCertificate(getSigValue(SignatureTypes.SIG_NUMBER), issuer);
+ if (cert != null)
+ {
+ setSigValue(SignatureTypes.SIG_ISSUER, cert.getIssuerName());
+ setSigValue(SIG_CER, cert.getCertString());
+ setSigValue(SIG_CER_DIG, cert.getCertDigest());
+ x509Cert_ = cert;
+ }
+ issuer = getSigValue(SignatureTypes.SIG_ISSUER);
+ return issuer;
+ }
+
+ /**
+ * @param sigIssuer
+ * The SignationIssuer to set.
+ */
+ public void setSignationIssuer(String sigIssuer)
+ {
+ setSigValue(SignatureTypes.SIG_ISSUER, sigIssuer);
+ }
+
+ /**
+ * @return Returns the SignationValue.
+ */
+ public String getSignationValue()
+ {
+ return getSigValue(SignatureTypes.SIG_VALUE);
+ }
+
+ /**
+ * @param sigValue
+ * The SignationValue to set.
+ */
+ public void setSignationValue(String sigValue)
+ {
+ setSigValue(SignatureTypes.SIG_VALUE, sigValue);
+ }
+
+ /**
+ * @return the reference to the signature label
+ */
+ public String getOfficialSeal()
+ {
+ return getSigValue(SignatureTypes.SIG_LABEL);
+ }
+
+ /**
+ * @param serialNumber
+ * The serial number of the signature to set
+ */
+ public void setSignationSerialNumber(String serialNumber)
+ {
+ setSigValue(SignatureTypes.SIG_NUMBER, serialNumber);
+ }
+
+ /**
+ * @return sigNumber the serial number of the signature
+ */
+ public String getSignationSerialNumber()
+ {
+ return getSigValue(SignatureTypes.SIG_NUMBER);
+ }
+
+ /**
+ * @param certDigest
+ * set the digest value for the X509Certificate
+ */
+ public void setX509CertificateDigest(String certDigest)
+ {
+ setSigValue(SIG_CER_DIG, certDigest);
+ }
+
+ /**
+ * This method load the current certificate getting the current SerialNumber
+ * and the current SignationIssuer. <br>
+ * It stores back the SignationIssuer, X509Certificate and
+ * X509CertificateDigest
+ */
+ private void loadCurrentCert()
+ {
+ X509Cert cert = loadCertificate(getSignationSerialNumber(), getSignationIssuer());
+ if (cert != null)
+ {
+ setSigValue(SignatureTypes.SIG_ISSUER, cert.getIssuerName());
+ setSigValue(SIG_CER, cert.getCertString());
+ setSigValue(SIG_CER_DIG, cert.getCertDigest());
+ x509Cert_ = cert;
+ }
+ }
+
+ /**
+ * @return the current X509CertificateDigest value.
+ */
+ public String getX509CertificateDigest()
+ {
+ String dig = getSigValue(SIG_CER_DIG);
+ if (dig == null)
+ {
+ loadCurrentCert();
+ dig = getSigValue(SIG_CER_DIG);
+ }
+ return dig;
+ }
+
+ /**
+ * @return the current X509v3 certificate string
+ */
+ public String getX509CertificateString()
+ {
+ String cert = getSigValue(SIG_CER);
+ if (cert == null)
+ {
+ loadCurrentCert();
+ cert = getSigValue(SIG_CER);
+ }
+ return cert;
+ }
+
+ /**
+ * @param x509Certificate
+ * The X509v3 certificate of the signature to set
+ */
+ public void setX509Certificate(String x509Certificate)
+ {
+ setSigValue(SIG_CER, x509Certificate);
+ storeCertificate(getSignationSerialNumber(), getSignationIssuer(), x509Certificate, getX509CertificateDigest());
+ }
+
+ /**
+ * return the 509v3 certificate of the given serialNumber and the given issuer
+ * string
+ *
+ * @param serialNumber
+ * the serialNumber which the certificates should load
+ * @param issuer
+ * the issuer which the certificates should load
+ * @return the X509v3 certificate string
+ */
+ public String getX509CertificateString(String serialNumber, String issuer)
+ {
+ X509Cert cert = loadCertificate(serialNumber, issuer);
+ if (cert != null)
+ {
+ return cert.getCertString();
+ }
+ return null;
+ }
+
+ public X509Cert getX509Cert(String serialNumber, String issuer)
+ {
+ return loadCertificate(serialNumber, issuer);
+ }
+
+ public X509Cert getX509Cert()
+ {
+ if (x509Cert_ == null)
+ {
+ loadCurrentCert();
+ }
+ return x509Cert_;
+ }
+
+ /**
+ * Set the signation id's build by a BKU signated SignatureObject.
+ *
+ * @param sigIds
+ * the string to store.
+ */
+ public void setSignationIDs(String sigIds)
+ {
+ setSigValue(SignatureTypes.SIG_ID, sigIds);
+ }
+
+ /**
+ * Set the signation id's build by a BKU signated SignatureObject.
+ *
+ * @param sigIds
+ * The sination id's are defined into five parts, that have the same
+ * base as prefix. Therefore the ids's are reduced by the base prefix
+ * and stored in the SignatureObject.
+ */
+ public void setSignationIDs(String[] sigIds)
+ {
+ String join = "";
+ String base = null;
+ for (int arr_idx = 0; arr_idx < sigIds.length; arr_idx++)
+ {
+ String id = sigIds[arr_idx];
+ if (logger_.isDebugEnabled())
+ {
+ logger_.debug("Set BKU id:" + id);
+ }
+ int id_idx = id.lastIndexOf("-");
+ if (arr_idx == 0)
+ {
+ base = id.substring(0, id_idx);
+ }
+ String cur_id = id.substring(id_idx + 1);
+ join += "-" + cur_id;
+ }
+ setSignationIDs(base + "@" + join.substring(1));
+ }
+
+ /**
+ * Checks if the current SignatureObject is siganted by MOA. It checks if the
+ * current SignatureObject has a signation id value.
+ *
+ * @return true if no signation id value is found, false otherwise
+ */
+ public boolean isMOASigned()
+ {
+ return getSignationIds() == null;
+ }
+
+ /**
+ * Tells if this SignatureObject is textual.
+ *
+ * @return Returns true, if it is textual.
+ */
+ public boolean isTextual()
+ {
+ PdfASID kz = null;
+ try
+ {
+ kz = getKZ();
+ }
+ catch (InvalidIDException e)
+ {
+ e.printStackTrace();
+ }
+ if (kz == null)
+ {
+ return true; // must be an old Signature
+ }
+
+ boolean textual = kz.getType().equals(SignatorFactory.TYPE_TEXTUAL);
+ return textual;
+ }
+
+ /**
+ * Tells, if this SignatureObject is binary.
+ *
+ * @return Returns true, if it is binary.
+ */
+ public boolean isBinary()
+ {
+ PdfASID kz = null;
+ try
+ {
+ kz = getKZ();
+ }
+ catch (InvalidIDException e)
+ {
+ e.printStackTrace();
+ }
+ if (kz == null)
+ {
+ return false; // must be an old Signature
+ }
+
+ boolean binary = kz.getType().equals(SignatorFactory.TYPE_BINARY);
+ return binary;
+ }
+
+ /**
+ * Takes the signation id value of the current SignatureObject and split them
+ * into the corresponding id array added with the id-base.
+ *
+ * @return the id array
+ */
+ public String[] getSignationIds()
+ {
+ String sig_ids = getSigValue(SignatureTypes.SIG_ID);
+ if (sig_ids == null || sig_ids.length() == 0)
+ {
+ return null;
+ }
+
+ // int index = sig_ids.indexOf(PdfAS.IDS);
+ // if (index < 0)
+ // {
+ // return null;
+ // }
+ // sig_ids = sig_ids.substring(index + PdfAS.IDS.length());
+ //
+ // if (sig_ids == null || sig_ids.length() == 0)
+ // {
+ // return null;
+ // }
+
+ String[] ids_str = sig_ids.split("@");
+ String base = ids_str[0];
+ String[] ids = ids_str[1].split("-");
+ String[] real_ids = new String[5];
+ real_ids[0] = base + "-" + ids[0];
+ real_ids[1] = "0-" + base + "-" + ids[1];
+ real_ids[2] = "0-" + base + "-" + ids[2];
+ real_ids[3] = "0-" + base + "-" + ids[3];
+ real_ids[4] = "0-" + base + "-" + ids[4];
+ if (logger_.isDebugEnabled())
+ {
+ for (int id_idx = 0; id_idx < real_ids.length; id_idx++)
+ {
+ logger_.debug("Set BKU id:" + real_ids[id_idx]);
+ }
+ }
+ return real_ids;
+ }
+
+ /**
+ * This method normalizes the issuer string to support unique issuer string
+ * for equition. Used to store and find corresponting certificates.
+ * Normalzing: normalizing the string using the normalizer, remove all white
+ * spaces, encode as base64 and replace all "/" chars with "_".
+ *
+ * @param issuer
+ * the issuer string to normalize
+ * @return the normalized issuer string
+ */
+ private String getIssuerFileHash(String issuer)
+ {
+ try
+ {
+ if (issuer != null)
+ {
+ issuer = normalizer_.normalize(issuer);
+ issuer = removeAllWhiteSpaces(issuer);
+ // added the ("UTF-8")
+ issuer = CodingHelper.encodeBase64(CodingHelper.buildDigest(issuer.getBytes("UTF-8")));
+ issuer = issuer.replaceAll("/", "_");
+ }
+ return issuer;
+ }
+ catch (UnsupportedEncodingException e)
+ {
+ e.printStackTrace();
+ throw new RuntimeException(e);
+ }
+ }
+
+ /**
+ * This method imports new certificates into the certstore path.
+ */
+ private void addNewCertificates()
+ {
+ String cert_add_path = certPath_ + CERT_ADD_DIR;
+ File cert_add_dir = new File(cert_add_path);
+ if (cert_add_dir.isDirectory())
+ {
+ File[] cert_files = cert_add_dir.listFiles();
+ for (int cert_file_idx = 0; cert_file_idx < cert_files.length; cert_file_idx++)
+ {
+ File cert_file = cert_files[cert_file_idx];
+ if (cert_file.isFile() && cert_file.canRead())
+ {
+ X509Cert cert = X509Cert.initByFile(cert_file);
+ // System.err.println("isCert:" + cert.isX509Cert() + ":" +
+ // cert_file.getAbsolutePath());
+ if (cert.isX509Cert())
+ {
+ String issuer = cert.getIssuerName();
+ String serial_number = cert.getSerialNumber();
+ String iss_hash = getIssuerFileHash(issuer);
+ String cert_store_path = certPath_ + iss_hash;
+
+ File cert_store_dir = new File(cert_store_path);
+ if (!cert_store_dir.exists())
+ {
+ cert_store_dir.mkdir();
+ }
+ if (cert_store_dir.isDirectory())
+ {
+ String cert_file_name = cert_store_path + FILE_SEP + serial_number + CERT_FILE_EXTENSION;
+ // boolean store =
+ FileHelper.writeToFile(cert_file_name, cert.getCertString());
+ // System.err.println("store:" + store + ":" +
+ // cert_file.getAbsolutePath());
+ }
+ }
+ boolean deleted = cert_file.delete();
+ if (deleted == false)
+ {
+ System.err.println("couldn't delete:" + cert_file.getAbsolutePath());
+ }
+ }
+ }
+ }
+ }
+
+ /**
+ * This method load a X509v3 certificate from the filesystem. The reference to
+ * the stored certificate is build by the serialNumber and the issuer string.
+ * The issuer string is normalized because if getting this value from a pdf
+ * extraction it can be splited into more sections or necessary spaces are
+ * removed. The real issuer value is stored in the certificates meta file. The
+ * certficate is devided into two files: certificate.der (the binary value)
+ * and the meta information used in SignatureObjects as well in
+ * SignatureImages of a signed pdf-document. The storing path of the
+ * certificate is build by:
+ * <ol>
+ * <li>normalize the issuer string</li>
+ * <li>reduce all white spaces in the normalized issuer string</li>
+ * <li>build a hash value of this reduced string</li>
+ * <li>code this hash value as base64 value</li>
+ * <li>add the base64 normalized issuer hash value to the certificate base
+ * store path</li>
+ * <li>add the serialNumber to the cert path</li>
+ * <li>add the <code>.der</code> extension to get the certificate binary</li>
+ * <li>add the <code>.txt</code> extension to get the meta information of
+ * the certificate</li>
+ * </ol>
+ *
+ * The certificate meta file is build by the base64 coded issuer string and
+ * the cert digest value devided by the <code>@</code> char.
+ *
+ * @param serialNumber
+ * the file name of the certificate .der|.txt
+ * @param issuer
+ * the file path value of the certificate
+ * @return String array: [0]--> issuer string; [1]-->certificate binary;
+ * [2]--> cert digest value
+ */
+ private X509Cert loadCertificate(String serialNumber, String issuer)
+ {
+ addNewCertificates();
+ X509Cert cert = null;
+ if (issuer != null && serialNumber != null)
+ {
+ String iss_hash = getIssuerFileHash(issuer);
+ String cert_store_path = certPath_ + iss_hash;
+ String cert_file_name = cert_store_path + FILE_SEP + serialNumber + CERT_FILE_EXTENSION;
+ if (logger_.isDebugEnabled())
+ {
+ logger_.debug("load certificate:" + cert_file_name);
+ }
+ cert = X509Cert.initByFilePath(cert_file_name);
+
+ if (cert == null)
+ {
+ logger_.info("The certificate '" + issuer + "', '" + serialNumber + "' wasn't found in the local certificate store - connecting to LDAP.");
+
+ // the certificate wasn't found in the local store
+ // - load it from the LDAP server.
+ String normalized_issuer = normalizer_.normalize(issuer);
+
+ byte[] cert_data = loadCertificateFromLDAP(serialNumber, normalized_issuer);
+ if (cert_data == null)
+ {
+ logger_.info("The certificate '" + issuer + "', '" + serialNumber + "' wasn't found on the LDAP server either.");
+
+ return null;
+ }
+
+ storeNewCertificateInLocalStore(cert_data);
+
+ // load the local cert
+ cert = X509Cert.initByFilePath(cert_file_name);
+
+ if (cert == null)
+ {
+ logger_.debug("The certificate should be loaded here, but is null - something's wrong.");
+ }
+ }
+ }
+ return cert;
+ }
+
+ /**
+ * This is an internal counter for added certificates.
+ */
+ protected static int new_cert_num = 0;
+
+ /**
+ * Writes the certificate data to a file and stores the file in the local
+ * certificate store.
+ *
+ * @param cert_data
+ * The binary certificate data.
+ */
+ public void storeNewCertificateInLocalStore(byte[] cert_data)
+ {
+ // write the loaded certificate to the add directory
+ String cert_add_path = certPath_ + CERT_ADD_DIR;
+ File cert_add_dir = new File(cert_add_path);
+ if (!cert_add_dir.exists())
+ {
+ cert_add_dir.mkdirs();
+ }
+ File save_file = new File(cert_add_dir, "newcert_" + new_cert_num + ".der");
+ new_cert_num++;
+ try
+ {
+ FileOutputStream fos = new FileOutputStream(save_file);
+ fos.write(cert_data);
+ fos.close();
+ }
+ catch (IOException e)
+ {
+ e.printStackTrace();
+ return;
+ }
+
+ // add the new certificate to the local store
+ addNewCertificates();
+ }
+
+ /**
+ * Connects to the LDAP server to look for the certificate.
+ *
+ * @param serialNumber
+ * The serial number String of the certificate being sought. E.g.
+ * "123455676744123432".
+ * @param issuer
+ * The issuer String of the certificate being sought.
+ *
+ * @return Returns the DER certificate file as can be stored in the local
+ * repository. Returns null, if the document wasn't found on the
+ * server.
+ */
+ protected byte[] loadCertificateFromLDAP(String serialNumber, String issuer)
+ {
+ String ldap_server_url = null;
+ try
+ {
+ ldap_server_url = settings_.getSetting("ldap.url");
+ }
+ catch (SettingNotFoundException e)
+ {
+ e.printStackTrace();
+ logger_.info("LDAP server url setting not found.");
+ return null;
+ }
+ logger_.debug("LDAP server url = " + ldap_server_url);
+
+ // TODO connect to LDAP using the EGIZ API.
+ DummyLDAPAPI api = new DummyLDAPAPI(ldap_server_url);
+ byte[] cert = api.loadCertificateFromLDAP(serialNumber, issuer);
+
+ return cert;
+ }
+
+ /**
+ * This method stores a X509v3 certificate to the filesystem. The reference to
+ * the stored certificate is build by the serialNumber and the issuer string.
+ * The issuer string is normalized because if getting this value from a pdf
+ * extraction it can be splited into more sections or necessary spaces are
+ * removed. The real issuer value is stored in the certificates meta file. The
+ * certficate is devided into two files: certificate.der (the binary value)
+ * and the meta information used in SignatureObjects as well in
+ * SignatureImages of a signed pdf-document. The storing path of the
+ * certificate is build by:
+ * <ol>
+ * <li>normalize the issuer string</li>
+ * <li>reduce all white spaces in the normalized issuer string</li>
+ * <li>build a hash value of this reduced string</li>
+ * <li>code this hash value as base64 value</li>
+ * <li>add the base64 normalized issuer hash value to the certificate base
+ * store path</li>
+ * <li>add the serialNumber to the cert path</li>
+ * <li>add the <code>.der</code> extension to get the certificate binary</li>
+ * <li>add the <code>.txt</code> extension to get the meta information of
+ * the certificate</li>
+ * </ol>
+ *
+ * The certificate meta file is build by the base64 coded issuer string and
+ * the cert digest value devided by the <code>@</code> char.
+ *
+ * @param serialNumber
+ * the file name of the certificate .der|.txt
+ * @param issuer
+ * the issuer string for the file path value of the certificate and
+ * for metainformation
+ * @param x509Certificate
+ * the x509v3 binary string
+ * @param x509Digest
+ * the digest value of the given x509Certificate
+ * @return true the certificate is stored completely, false otherwise
+ */
+ private boolean storeCertificate(String serialNumber, String issuer,
+ String x509Certificate, String x509Digest)
+ {
+ boolean store_complete = false;
+ if (issuer != null && serialNumber != null)
+ {
+ // String issuer_b64 = CodingHelper.encodeBase64(issuer.getBytes());
+ String iss_hash = getIssuerFileHash(issuer);
+ File cert_path_dir = new File(certPath_);
+ if (!cert_path_dir.exists())
+ {
+ cert_path_dir.mkdir();
+ }
+ String cert_store_path = certPath_ + iss_hash;
+ File cert_store_dir = new File(cert_store_path);
+ if (!cert_store_dir.exists())
+ {
+ cert_store_dir.mkdir();
+ }
+ if (cert_store_dir.isDirectory())
+ {
+ String cert_file_name = cert_store_path + FILE_SEP + serialNumber + CERT_FILE_EXTENSION;
+ if (logger_.isInfoEnabled())
+ {
+ logger_.info("store certificate:" + cert_file_name);
+ }
+ boolean store_cert_file = FileHelper.writeToFile(cert_file_name, x509Certificate);
+ store_complete = store_cert_file;// && store_cert_meta;
+ }
+ }
+ return store_complete;
+ }
+
+ /**
+ * @return Returns the AbstractTable.
+ * @see at.knowcenter.wag.egov.egiz.table.Table
+ */
+ public Table getAbstractTable()
+ {
+ if (sigTable_ == null)
+ {
+ sigTable_ = createSigTable(SignatureTypes.MAIN_TABLE);
+ }
+ return sigTable_;
+ }
+
+ /**
+ * This method read the style definitions from the settings file.
+ *
+ * @param styleKey
+ * the key to read the style definitions
+ * @return the defined style informations
+ * @see at.knowcenter.wag.egov.egiz.table.Style
+ */
+ private Style readStyle(String styleKey)
+ {
+ ArrayList styles = settings_.getKeys(styleKey);
+ Style style = new Style();
+ for (int style_idx = 0; style_idx < styles.size(); style_idx++)
+ {
+ String style_id = (String) styles.get(style_idx);
+ String style_val = settings_.getSetting(styleKey + "." + style_id, null);
+ style.setStyle(style_id, style_val);
+ }
+ return style;
+ }
+
+ /**
+ * This method creates an abstract signature table object. It takes all keys
+ * and values set by the signature object to create the corresponding abstract
+ * table object. The table definition is read from the settings file.
+ *
+ * @param tableKey
+ * is the name of the table definition in the settings file
+ * @return a new abstract signature table
+ * @see at.knowcenter.wag.egov.egiz.table.Style
+ * @see at.knowcenter.wag.egov.egiz.table.Table
+ * @see at.knowcenter.wag.egov.egiz.table.Entry
+ */
+ private Table createSigTable(String tableKey)
+ {
+ String table_key_prefix = SignatureTypes.SIG_OBJ + getSignationType() + "." + SignatureTypes.TABLE;
+ String table_key = table_key_prefix + tableKey;
+ // String caption_prefix = SignatureTypes.SIG_OBJ + getSignationType() +
+ // ".key.";
+ // String value_prefix = SignatureTypes.SIG_OBJ + getSignationType() +
+ // ".value.";
+ // ArrayList table_def_keys = settings_.getKeys(table_key);
+ Vector table_def_keys = settings_.getSettingKeys(table_key);
+ if (table_def_keys == null)
+ {
+ return null;
+ }
+ Table sig_table = new Table(tableKey);
+ boolean found_style = false;
+ for (int table_key_idx = table_def_keys.size() - 1; table_key_idx >= 0; table_key_idx--)
+ {
+ String table_def = (String) table_def_keys.get(table_key_idx);
+ int dot_idx = (table_def.indexOf(".") > 0 ? table_def.indexOf(".") : table_def.length());
+ table_def = table_def.substring(0, dot_idx);
+ String table_def_keys_prefix = table_key + "." + table_def;
+ String table_def_string = settings_.getSetting(table_def_keys_prefix, null);
+ if (table_def.matches("\\D*"))
+ {
+ // if the table key is not a number (row number index)
+ if (SignatureTypes.COLS_WITH.equals(table_def))
+ {
+ String[] cols_s = table_def_string.split(" ");
+ float[] cols_f = new float[cols_s.length];
+ for (int i = 0; i < cols_s.length; i++)
+ {
+ cols_f[i] = Float.parseFloat(cols_s[i]);
+ }
+ sig_table.setColsRelativeWith(cols_f);
+ }
+ if (SignatureTypes.STYLE.equals(table_def) && !found_style)
+ {
+ Style style = readStyle(table_def_keys_prefix);
+ sig_table.setStyle(style);
+ found_style = true;
+ }
+ continue;
+ }
+ if (table_def_string != null)
+ {
+ // analyse the row definition
+ String[] elems = table_def_string.split("\\|");
+ ArrayList row = new ArrayList();
+ for (int elem_idx = 0; elem_idx < elems.length; elem_idx++)
+ {
+ String elem = elems[elem_idx];
+ String[] key_type = elem.split("-");
+ if (key_type.length < 2)
+ {
+ return null;
+ }
+ String key = key_type[0];
+ String type = key_type[1];
+ if (SignatureTypes.TYPE_TABLE.equals(key))
+ {
+ // add a table entry
+ Table table = createSigTable(type);
+ if (table != null)
+ {
+ Entry entry = new Entry(Entry.TYPE_TABLE, table, key);
+ row.add(entry);
+ }
+ }
+ if (SignatureTypes.TYPE_IMAGE.equals(type))
+ {
+ // add an image entry
+ String value = getSigValue(key);
+ if (value != null)
+ {
+ Entry entry = new Entry(Entry.TYPE_IMAGE, value, key);
+ entry.setStyle(defaultImageStyle_);
+ row.add(entry);
+ }
+ }
+ if (SignatureTypes.TYPE_VALUE.equals(type))
+ {
+ // add a single value entry
+ String value = getSigValue(key);
+ Entry entry = new Entry(Entry.TYPE_VALUE, value, key);
+ if (entry != null)
+ {
+ entry.setColSpan(2);
+ entry.setStyle(defaultCaptionStyle_);
+ row.add(entry);
+ }
+ }
+ if ((SignatureTypes.TYPE_VALUE + SignatureTypes.TYPE_CAPTION).equals(type) || (SignatureTypes.TYPE_CAPTION + SignatureTypes.TYPE_VALUE).equals(type))
+ {
+ // add a caption value pair
+ String caption = getSigCaption(key);
+ String value = getSigValue(key);
+ if (value != null)
+ {
+ Entry c_entry = new Entry(Entry.TYPE_CAPTION, caption, key);
+ // c_entry.setNoWrap(true);
+ c_entry.setStyle(defaultCaptionStyle_);
+
+ Entry v_entry = new Entry(Entry.TYPE_VALUE, value, key);
+ v_entry.setStyle(defaultValueStyle_);
+ if (c_entry != null && v_entry != null)
+ {
+ row.add(c_entry);
+ row.add(v_entry);
+ }
+ }
+ }
+ }
+ sig_table.addRow(table_def, row);
+ }
+ }
+
+ return sig_table;
+ }
+
+ /**
+ * This method inits the signature object by the given type. It loads the
+ * configured values and captions from the config.properties file.
+ */
+ public void initByType() throws SignatureTypesException
+ {
+ if (sigType_ == null)
+ {
+ sigType_ = getDefaultSigType();
+ }
+ SignatureTypes sig_types = SignatureTypes.getInstance();
+ signatureDefinition_ = sig_types.getSignatureTypeDefinition(sigType_);
+ Map key_cap_map = signatureDefinition_.getKeyCaptionMap();
+ if (key_cap_map != null)
+ {
+ Iterator key_cap = key_cap_map.entrySet().iterator();
+ while (key_cap.hasNext())
+ {
+ Map.Entry entry = (Map.Entry) key_cap.next();
+ String key = (String) entry.getKey();
+ String caption = (String) entry.getValue();
+ SignatureEntry sig_entry = null;
+ if (sigEntries_.containsKey(key))
+ {
+ sig_entry = (SignatureEntry) sigEntries_.get(key);
+ }
+ else
+ {
+ sig_entry = new SignatureEntry(key);
+ sigEntries_.put(key, sig_entry);
+ }
+ sig_entry.setCaption(caption);
+ }
+ }
+
+ Map key_val_map = signatureDefinition_.getKeyValueMap();
+ if (key_val_map != null)
+ {
+ Set key_val_set = key_val_map.entrySet();
+ Iterator key_val = key_val_set.iterator();
+ while (key_val.hasNext())
+ {
+ Map.Entry entry = (Map.Entry) key_val.next();
+ String key = (String) entry.getKey();
+ String value = (String) entry.getValue();
+ if (SignatureTypes.SIG_NORM.equals(key))
+ {
+ try
+ {
+ normalizer_.setVersion(value);
+ }
+ catch (NormalizeException e)
+ {
+ throw new SignatureTypesException("Can not set normalizer Version:" + value);
+ }
+ }
+ // value = new String(CodingHelper.encodeUTF8(value));
+ if (logger_.isDebugEnabled())
+ {
+ logger_.debug("key:" + key + " value:" + value);
+ }
+ setSigValue(key, value);
+ }
+ }
+ }
+
+ /**
+ * This method returns a signature entry object.
+ *
+ * @param key
+ * the corresponding key
+ * @return the signature entry object of the given key, null if the key does
+ * not exist
+ */
+ public SignatureEntry getSigEntry(String key)
+ {
+ return (SignatureEntry) sigEntries_.get(key);
+ }
+
+ /**
+ * This method is a helper function to remove all white spaces from a text.
+ *
+ * @param text
+ * the white spaces should remove from
+ * @return a text without white spaces
+ */
+ private static String removeAllWhiteSpaces(String text)
+ {
+ return text.replaceAll("\\s", "");
+ }
+
+ public SignatureTypeDefinition getSignatureTypeDefinition()
+ {
+ return this.signatureDefinition_;
+ }
+
+ /**
+ *
+ * @param placeholder
+ * @return Returns the list of SignatureFieldDefinitions that's values in the
+ * SignatureObject have been filled out with placeholders.
+ */
+ public List fillValues(final char placeholder, boolean has_SIG_ID)
+ {
+ List variable_fields = new ArrayList();
+
+ List field_definitions = this.signatureDefinition_.getFieldDefinitions();
+ Iterator it = field_definitions.iterator();
+ while (it.hasNext())
+ {
+ SignatureFieldDefinition sfd = (SignatureFieldDefinition) it.next();
+ String value_string = null;
+ if (sfd.placeholder_length > 0)
+ {
+ if (sfd.field_name.equals(SignatureTypes.SIG_ID) && has_SIG_ID == false)
+ {
+ setValueBruteForce(SignatureTypes.SIG_ID, null);
+ continue;
+ }
+
+ char[] placeholder_chars = new char[sfd.placeholder_length];
+ for (int i = 0; i < placeholder_chars.length; i++)
+ {
+ placeholder_chars[i] = placeholder;
+ }
+ value_string = new String(placeholder_chars);
+
+ variable_fields.add(sfd);
+
+ setSigValue(sfd.field_name, value_string);
+ }
+ }
+
+ return variable_fields;
+ }
+
+ /**
+ * Returns the raw signature response XML string as set by the signing
+ * Connector.
+ *
+ * @return Returns the XML response String.
+ */
+ public String getRawSignatureResponse()
+ {
+ return this.raw_signature_response;
+ }
+
+ /**
+ * Sets the raw signature response XML string.
+ *
+ * <p>
+ * This should be used by the Connector to pass the response String to the
+ * signer.
+ * </p>
+ *
+ * @param raw_response_string
+ * The new raw signature response string.
+ */
+ public void setRawSignatureResponse(String raw_response_string)
+ {
+ this.raw_signature_response = raw_response_string;
+ }
+
+ /**
+ * The toString method, used for tests or debugging.
+ */
+ public String toString()
+ {
+ String strg = "";
+ Iterator it = sigEntries_.values().iterator();
+ while (it.hasNext())
+ {
+ SignatureEntry sig_entry = (SignatureEntry) it.next();
+ String key = sig_entry.getKey();
+ String caption = sig_entry.getCaption();
+ String value = sig_entry.getValue();
+ strg += key + "=" + caption + ":" + value + "\n";
+ }
+ strg += "Signation Type:" + getSignationType() + "\n";
+ return strg;
+ }
+
+} \ No newline at end of file