From 8e3ed85168edaeadcd4f3ec92450036a399d6ede Mon Sep 17 00:00:00 2001 From: knowcenter Date: Sat, 12 May 2007 17:37:16 +0000 Subject: Detached Multipart BKU for Auftrag "Support" git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@73 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c --- .../bku/DetachedMultipartBKUConnector.java | 1125 ++++++++++++++++++++ 1 file changed, 1125 insertions(+) create mode 100644 src/main/java/at/knowcenter/wag/egov/egiz/sig/connectors/bku/DetachedMultipartBKUConnector.java (limited to 'src/main/java/at/knowcenter/wag/egov/egiz/sig/connectors/bku/DetachedMultipartBKUConnector.java') diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/sig/connectors/bku/DetachedMultipartBKUConnector.java b/src/main/java/at/knowcenter/wag/egov/egiz/sig/connectors/bku/DetachedMultipartBKUConnector.java new file mode 100644 index 0000000..b30c9e2 --- /dev/null +++ b/src/main/java/at/knowcenter/wag/egov/egiz/sig/connectors/bku/DetachedMultipartBKUConnector.java @@ -0,0 +1,1125 @@ +/** + * + */ +package at.knowcenter.wag.egov.egiz.sig.connectors.bku; + +import java.io.ByteArrayInputStream; +import java.io.FileOutputStream; +import java.io.IOException; +import java.io.OutputStreamWriter; +import java.io.UnsupportedEncodingException; +import java.security.cert.CertificateException; +import java.security.cert.CertificateFactory; +import java.security.cert.X509Certificate; +import java.util.Properties; +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +import org.apache.commons.logging.Log; +import org.apache.commons.logging.LogFactory; + +import at.knowcenter.wag.egov.egiz.cfg.SettingsReader; +import at.knowcenter.wag.egov.egiz.exceptions.SettingsException; +import at.knowcenter.wag.egov.egiz.exceptions.SignatureException; +import at.knowcenter.wag.egov.egiz.sig.SignatureData; +import at.knowcenter.wag.egov.egiz.sig.SignatureObject; +import at.knowcenter.wag.egov.egiz.sig.SignatureResponse; +import at.knowcenter.wag.egov.egiz.sig.X509Cert; +import at.knowcenter.wag.egov.egiz.sig.connectors.TemplateReplaces; +import at.knowcenter.wag.egov.egiz.tools.CodingHelper; +import at.knowcenter.wag.egov.egiz.tools.FileHelper; + +/** + * Connects to the BKU using the detached multipart/formdata requests. + * + *

+ * This feature is available since BKU version 2.7.4. + *

+ * + * @author wprinz + */ +public class DetachedMultipartBKUConnector +{ + /** + * The SIG_ID prefix. + */ + public static final String SIG_ID_PREFIX = "etsi-bku-detached@"; //$NON-NLS-1$ + + /** + * The log. + */ + private static Log log = LogFactory.getLog(DetachedMultipartBKUConnector.class); + + /** + * The environemnt configuration of this connector containing templates and + * other configurable elements. + */ + protected Environment environment = null; + + /** + * Constructor that builds the configuration environment for this connector + * according to the given profile. + * + *

+ * If confuguration parameters are not defined on that profile, the default + * parameters defined in the configuration are used. + *

+ * + * @param profile + * The profile from which the Environment should be assembled. + * @throws SettingsException + * f.e. + * @throws SignatureException + * f.e. + */ + public DetachedMultipartBKUConnector(String profile) throws SignatureException, SettingsException + { + this.environment = new Environment(profile); + } + + /** + * Prepares the sign request xml to be sent using the sign request template. + * + * @param data + * The SignatureData. + * @return Returns the sign request xml to be sent. + * @throws SignatureException + * f.e. + */ + protected String prepareSignRequestDetached(SignatureData data) throws SignatureException + { + log.debug("prepareSignRequestDetached:"); //$NON-NLS-1$ + + String sign_request_template = this.environment.getSignRequestTemplate(); + + String sign_keybox_identifier = this.environment.getSignKeyboxIdentifier(); + String mime_type = data.getMimeType(); + if (log.isDebugEnabled()) + { + log.debug("signn keybox identifier = " + sign_keybox_identifier); //$NON-NLS-1$ + log.debug("mime type = " + mime_type); //$NON-NLS-1$ + } + + String sign_request_xml = sign_request_template.replace(TemplateReplaces.KEYBOX_IDENTIFIER_REPLACE, sign_keybox_identifier); + sign_request_xml = sign_request_xml.replace(TemplateReplaces.MIME_TYPE_REPLACE, mime_type); + + log.debug("prepareSignRequestDetached finished."); //$NON-NLS-1$ + return sign_request_xml; + } + + /** + * Analyzes the sign response xml and extracts the signature data. + * + * @param response_properties + * The response properties containing the response String and + * transport related information. + * @return Returns the extracted data encapsulated in a SignatureObject. + * @throws SignatureException + * f.e. + */ + public SignSignatureObject analyzeSignResponse(Properties response_properties) throws SignatureException + { + log.debug("analyzeSignResponse:"); //$NON-NLS-1$ + + String response_string = response_properties.getProperty(BKUPostConnection.RESPONSE_STRING_KEY); + + // TODO debug + try + { + FileOutputStream fos = new FileOutputStream("C:\\wprinz\\Filer\\egiz2\\sign_response.utf8.xml"); //$NON-NLS-1$ + OutputStreamWriter osw = new OutputStreamWriter(fos, "UTF-8"); //$NON-NLS-1$ + osw.write(response_string); + osw.close(); + } + catch (Exception e) + { + log.error(e); + } + + checkResponseForError(response_string); + + SignSignatureObject so = parseCreateXMLResponse(response_string); + + log.debug("analyzeSignResponse finished."); //$NON-NLS-1$ + return so; + } + + /** + * Checks the response xml for an error description and if found throws an + * appropriate exception. + * + * @param response_string + * The response xml. + * @throws SignatureException + * f.e. + */ + protected void checkResponseForError(String response_string) throws SignatureException + { + Pattern erc_p_s = Pattern.compile("<[\\w]*:?ErrorCode>"); //$NON-NLS-1$ + Pattern erc_p_e = Pattern.compile(""); //$NON-NLS-1$ + Matcher erc_m_s = erc_p_s.matcher(response_string); + Matcher erc_m_e = erc_p_e.matcher(response_string); + + if (erc_m_s.find() && erc_m_e.find()) + { + log.error("Found error in response: " + response_string); //$NON-NLS-1$ + + Pattern erm_p_s = Pattern.compile("<[\\w]*:?Info>"); //$NON-NLS-1$ + Pattern erm_p_e = Pattern.compile(""); //$NON-NLS-1$ + Matcher erm_m_s = erm_p_s.matcher(response_string); + Matcher erm_m_e = erm_p_e.matcher(response_string); + SignatureException se = new SignatureException(0, "BKUSigExc"); //$NON-NLS-1$ + String error_code = response_string.substring(erc_m_s.end(), erc_m_e.start()); + se.setExternalErrorCode(error_code); + if (erm_m_s.find() && erm_m_e.find()) + { + String error_mess = response_string.substring(erm_m_s.end(), erm_m_e.start()); + se.setExternalErrorMessage(error_mess); + } + throw se; + } + } + + /** + * This method parses the BKU-Response string. + * + *

+ * It separates the SignatureValue, X509IssuerName, SigningTime, + * X509SerialNumber, X509Certificate, CertDigest, DigestValue and the + * signation id-s. If the X509Certificate is extracted it would be stored in + * the certificates directory. + *

+ * + * @param xmlResponse + * The response string. + * @return Returns the parsed signature object holding the data. + * + * @throws SignatureException + * ErrorCode (303, 304) + * @see SignatureObject + * @see CodingHelper + * @see X509Cert + */ + private SignSignatureObject parseCreateXMLResponse( + String xmlResponse) throws SignatureException + { + Pattern sig_val_p_s = Pattern.compile("<[\\w]*:?SignatureValue>"); //$NON-NLS-1$ + Pattern sig_val_p_e = Pattern.compile(""); //$NON-NLS-1$ + Pattern iss_nam_p_s = Pattern.compile("<[\\w]*:?X509IssuerName>"); //$NON-NLS-1$ + Pattern iss_nam_p_e = Pattern.compile(""); //$NON-NLS-1$ + Pattern sig_tim_p_s = Pattern.compile("<[\\w]*:?SigningTime>"); //$NON-NLS-1$ + Pattern sig_tim_p_e = Pattern.compile(""); //$NON-NLS-1$ + Pattern ser_num_p_s = Pattern.compile("<[\\w]*:?X509SerialNumber>"); //$NON-NLS-1$ + Pattern ser_num_p_e = Pattern.compile(""); //$NON-NLS-1$ + Pattern sig_cer_p_s = Pattern.compile("<[\\w]*:?X509Certificate>"); //$NON-NLS-1$ + Pattern sig_cer_p_e = Pattern.compile(""); //$NON-NLS-1$ + + // Pattern sig_cer_d_p_s = Pattern.compile("<[\\w]*:?CertDigest>"); + // //$NON-NLS-1$ + // Pattern sig_cer_d_p_e = Pattern.compile(""); + // //$NON-NLS-1$ + // Pattern dig_val_p_s = Pattern.compile("<[\\w]*:?DigestValue>"); + // //$NON-NLS-1$ + // Pattern dig_val_p_e = Pattern.compile(""); + // //$NON-NLS-1$ + + Matcher sig_val_m_s = sig_val_p_s.matcher(xmlResponse); + Matcher sig_val_m_e = sig_val_p_e.matcher(xmlResponse); + Matcher iss_nam_m_s = iss_nam_p_s.matcher(xmlResponse); + Matcher iss_nam_m_e = iss_nam_p_e.matcher(xmlResponse); + Matcher sig_tim_m_s = sig_tim_p_s.matcher(xmlResponse); + Matcher sig_tim_m_e = sig_tim_p_e.matcher(xmlResponse); + Matcher ser_num_m_s = ser_num_p_s.matcher(xmlResponse); + Matcher ser_num_m_e = ser_num_p_e.matcher(xmlResponse); + Matcher sig_cer_m_s = sig_cer_p_s.matcher(xmlResponse); + Matcher sig_cer_m_e = sig_cer_p_e.matcher(xmlResponse); + + // Matcher sig_cer_d_m_s = sig_cer_d_p_s.matcher(xmlResponse); + // Matcher sig_cer_d_m_e = sig_cer_d_p_e.matcher(xmlResponse); + // Matcher dig_val_m_s = dig_val_p_s.matcher(xmlResponse); + // Matcher dig_val_m_e = dig_val_p_e.matcher(xmlResponse); + + // SignatureValue + String sig_val = null; + if (sig_val_m_s.find() && sig_val_m_e.find()) + { + sig_val = removeAllWhitespace(xmlResponse.substring(sig_val_m_s.end(), sig_val_m_e.start())); + } + log.debug("sig_val = " + sig_val); //$NON-NLS-1$ + + // X509IssuerName + String iss_nam = null; + if (iss_nam_m_s.find() && iss_nam_m_e.find()) + { + iss_nam = xmlResponse.substring(iss_nam_m_s.end(), iss_nam_m_e.start()); + } + log.debug("iss_nam = " + iss_nam); //$NON-NLS-1$ + + // X509SerialNumber + String ser_num = null; + if (ser_num_m_s.find() && ser_num_m_e.find()) + { + ser_num = removeAllWhitespace(xmlResponse.substring(ser_num_m_s.end(), ser_num_m_e.start())); + } + log.debug("ser_num = " + ser_num); //$NON-NLS-1$ + + // SigningTime + String sig_tim = null; + if (sig_tim_m_s.find() && sig_tim_m_e.find()) + { + sig_tim = xmlResponse.substring(sig_tim_m_s.end(), sig_tim_m_e.start()); + } + log.debug("sig_tim = " + sig_tim); //$NON-NLS-1$ + + // CertDigest + // if (sig_cer_d_m_s.find() && sig_cer_d_m_e.find()) + // { + // String cert_digest = xmlResponse.substring(sig_cer_d_m_s.end(), + // sig_cer_d_m_e.start()); + // if (dig_val_m_s.find() && dig_val_m_e.find()) + // { + // sig_dig = cert_digest.substring(dig_val_m_s.end(), dig_val_m_e.start()); + // //sigObj.setX509CertificateDigest(sig_dig); + // } + // } + + // X509Certificate + X509Certificate cert = null; + if (sig_cer_m_s.find() && sig_cer_m_e.find()) + { + String sig_cer = removeAllWhitespace(xmlResponse.substring(sig_cer_m_s.end(), sig_cer_m_e.start())); + + try + { + byte[] der = CodingHelper.decodeBase64(sig_cer); + ByteArrayInputStream bais = new ByteArrayInputStream(der); + CertificateFactory cf = CertificateFactory.getInstance("X.509"); //$NON-NLS-1$ + cert = (X509Certificate) cf.generateCertificate(bais); + bais.close(); + } + catch (UnsupportedEncodingException e) + { + log.error(e); + throw new SignatureException(300, e); + } + catch (CertificateException e) + { + log.error(e); + throw new SignatureException(300, e); + } + catch (IOException e) + { + log.error(e); + throw new SignatureException(300, e); + } + } + log.debug("X509Certificate = " + cert); //$NON-NLS-1$ + + if (log.isDebugEnabled()) + { + + String cert_iss = cert.getIssuerDN().getName(); + log.debug("certificate's issuer = " + cert_iss); //$NON-NLS-1$ + log.debug("response's issuer = " + iss_nam); //$NON-NLS-1$ + log.debug("issuer matches = " + cert_iss.equals(iss_nam)); //$NON-NLS-1$ + log.debug("ser number matches = " + cert.getSerialNumber().toString().equals(ser_num)); //$NON-NLS-1$ + } + + // extract Subject Name from X509Certificate + // if (sig_cer_m_s.find() && sig_cer_m_e.find()) + // { + // sig_cer = xmlResponse.substring(sig_cer_m_s.end(), sig_cer_m_e.start()); + // sig_cer = sig_cer.replaceAll("\\s", ""); + // //sigObj.setX509Certificate(sig_cer); + // X509Cert cert = X509Cert.initByString(sig_cer); + // if (cert.isX509Cert()) + // { + // //sigObj.setX509Certificate(cert.getCertString()); + // String serial_num = cert.getSerialNumber(); + // String subject_name = cert.getSubjectName(); + // if (!ser_num.equals(serial_num)) + // { + // SignatureException se = new SignatureException(303, "Serialnumber of + // certificate and tag X509SerialNumber differs!"); + // throw se; + // } + // //sigObj.setSignationName(subject_name); + // } + // } + + // extract Signature Id's + String[] ids = new String[5]; + ids[0] = extractId(xmlResponse, "signature-"); //$NON-NLS-1$ + ids[1] = extractId(xmlResponse, "signed-data-reference-"); //$NON-NLS-1$ + ids[2] = extractId(xmlResponse, "signed-data-object-"); //$NON-NLS-1$ + ids[3] = extractId(xmlResponse, "etsi-data-reference-"); //$NON-NLS-1$ + ids[4] = extractId(xmlResponse, "etsi-data-object-"); //$NON-NLS-1$ + String final_ids = formatSigIds(ids); + + SignSignatureObject so = new SignSignatureObject(); + so.date = sig_tim; + so.issuer = iss_nam; + so.signatureValue = sig_val; + so.x509Certificate = cert; + + so.id = final_ids; + + return so; + } + + /** + * Removes all whitespaces ("\\s") from the String. + * + * @param str + * The String. + * @return The String with all whitespaces removed. + */ + protected static String removeAllWhitespace(String str) + { + return str.replaceAll("\\s", ""); //$NON-NLS-1$ //$NON-NLS-2$ + } + + /** + * This emthod extracts id-values from a text. The id is given by the name. + * + * @param text + * the id-value that should extract from + * @param name + * the id-key + * @return the value of the given key in the text + */ + private String extractId(String text, String name) + { + String id = null; + int start_idx = text.indexOf(name) + name.length(); + int end_idx = text.indexOf("\"", start_idx); //$NON-NLS-1$ + + final int quot_end_idx = end_idx; + final int squot_end_idx = text.indexOf("'", start_idx); //$NON-NLS-1$ + end_idx = Math.min(quot_end_idx, squot_end_idx); + id = text.substring(start_idx, end_idx); + log.info("extract id:" + name + id); //$NON-NLS-1$ + if (log.isDebugEnabled()) + { + log.debug("extract id:" + name + id); //$NON-NLS-1$ + } + return id; + } + + protected String formatSigIds(String[] sigIds) throws SignatureException + { + // ids algorithm: + String join = ""; //$NON-NLS-1$ + String base = null; + for (int arr_idx = 0; arr_idx < sigIds.length; arr_idx++) + { + String id = sigIds[arr_idx]; + if (log.isDebugEnabled()) + { + log.debug("Set BKU id:" + id); //$NON-NLS-1$ + } + int id_idx = id.lastIndexOf("-"); //$NON-NLS-1$ + if (arr_idx == 0) + { + base = id.substring(0, id_idx); + } + String cur_id = id.substring(id_idx + 1); + if (cur_id.equalsIgnoreCase("")) //$NON-NLS-1$ + { + cur_id = "0"; //$NON-NLS-1$ + } + + join += "-" + cur_id; //$NON-NLS-1$ + } + String ids = base + "@" + join.substring(1); //$NON-NLS-1$ + String final_ids = SIG_ID_PREFIX + ids; + return final_ids; + } + + public static String[] parseSigIds(String sig_ids) + { + 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 etsi_string = null; + if (ids_str.length == 3) + { + etsi_string = ids_str[0]; + String[] rest_ids = new String[] { ids_str[1], ids_str[2] }; + ids_str = rest_ids; + } + + String base = ids_str[0]; + String[] ids = ids_str[1].split("-"); + String[] real_ids = new String[6]; // the last one contains the etsi string + 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]; + real_ids[5] = etsi_string; + + if (log.isDebugEnabled()) + { + for (int id_idx = 0; id_idx < real_ids.length; id_idx++) + { + log.debug("real_ids[" + id_idx + "] = " + real_ids[id_idx]); + } + } + + return real_ids; + } + + /** + * Sends the request and data to the given URL. + * + *

+ * This method mainly handles communication exceptions. The actual send work + * is done by doPostRequestMultipart. + *

+ * + * @see BKUPostConnection#doPostRequestMultipart(String, String, SignatureData) + * + * @param url + * The URL to send the request to. + * @param request_string + * The request XML. + * @param data + * The data. + * @return Returns the response properties containing among others the + * response XML. + * @throws SignatureException + * f.e. + */ + protected Properties sendRequest(String url, String request_string, + SignatureData data) throws SignatureException + { + try + { + Properties response_properties = BKUPostConnection.doPostRequestMultipart(url, request_string, data); + return response_properties; + } + catch (Exception e) + { + SignatureException se = new SignatureException(320, e); + throw se; + } + } + + /** + * Performs a sign. + * + * @param data + * The data to be signed. + * @return Returns the signature object containing the signature data. + * @throws SignatureException + * f.e. + */ + public SignSignatureObject doSign(SignatureData data) throws SignatureException + { + log.debug("doSign:"); //$NON-NLS-1$ + + String sign_request_xml = prepareSignRequestDetached(data); + log.debug("sign_request_xml = " + sign_request_xml); //$NON-NLS-1$ + + String url = this.environment.getSignURL(); + Properties response_properties = sendRequest(url, sign_request_xml, data); + + try + { + FileOutputStream fos = new FileOutputStream("C:\\wprinz\\Filer\\egiz2\\sign_response.utf8.xml"); //$NON-NLS-1$ + fos.write(response_properties.getProperty("response_string").getBytes("UTF-8")); //$NON-NLS-1$ //$NON-NLS-2$ + fos.close(); + } + catch (Exception e) + { + log.error(e); + } + + SignSignatureObject sso = analyzeSignResponse(response_properties); + + // TODO this could be made more generic + sso.response_properties = response_properties; + + log.debug("doSign finished."); //$NON-NLS-1$ + return sso; + } + + /** + * Performs a verification. + * + * @param data + * The data to be verified. + * @param so + * The signature object with the signature information. + * @return Returns the SignatureResponse with the result of the verification. + * @throws SignatureException + * f.e. + */ + public SignatureResponse doVerify(SignatureData data, SignSignatureObject so) throws SignatureException + { + log.debug("doVerify:"); //$NON-NLS-1$ + + String verify_request_xml = prepareVerifyRequestDetached(data, so); + log.debug("verify_request_xml = " + verify_request_xml); //$NON-NLS-1$ + + try + { + FileOutputStream fos = new FileOutputStream("C:\\wprinz\\Filer\\egiz2\\verify_request.utf8.xml"); //$NON-NLS-1$ + fos.write(verify_request_xml.getBytes("UTF-8")); //$NON-NLS-1$ + fos.close(); + } + catch (Exception e) + { + log.error(e); + } + + String url = this.environment.getVerifyURL(); + Properties response_properties = sendRequest(url, verify_request_xml, data); + + SignatureResponse signature_response = analyzeVerifyResponse(response_properties); + + log.debug("doVerify finished."); //$NON-NLS-1$ + return signature_response; + } + + /** + * Prepares the verify request xml to be sent using the verify request + * template. + * + * @param data + * The SignatureData. + * @param so + * The signature information object. + * @return Returns the verify request xml to be sent. + * @throws SignatureException + * f.e. + */ + public String prepareVerifyRequestDetached(SignatureData data, + SignSignatureObject so) throws SignatureException + { + String verify_request_template = this.environment.getVerifyRequestTemplate(); + + String xml_content = null; + // TODO implement MOA + // if (sigObject.isMOASigned()) + // { + // MOAConnector moa_conn = new MOAConnector(); + // // get the MOA-template + // verify_template_str = moa_conn.getVerifyTemplate(normalizedText, + // sigObject); + // } + // else + // { + // get the BKU-template + xml_content = prepareXMLContent(data, so); + // } + + String verify_request_xml = verify_request_template.replaceFirst(TemplateReplaces.XML_CONTENT_REPLACE, xml_content); + + return verify_request_xml; + } + + /** + * Prepares the XML content the holds the actual signature data. + * + *

+ * This strongly rebuilds the XML content as retuned from a sign request. + *

+ * + * @param data + * The data. + * @param so + * The signature object containing the signature information. + * @return Returns the XML content. + * @throws SignatureException + * f.e. + */ + public String prepareXMLContent(SignatureData data, SignSignatureObject so) throws SignatureException + { + log.debug("prepareXMLContent:"); //$NON-NLS-1$ + try + { + + String verify_template = this.environment.getVerifyTemplate(); + + String ids_string = so.getSigID(); + String[] ids = SignatureObject.parseSigIds(ids_string); + + X509Certificate cert = so.getX509Certificate(); + String cert_alg = this.environment.getCertAlgEcdsa(); + if (cert.getPublicKey().getAlgorithm().indexOf("RSA") >= 0) //$NON-NLS-1$ + { + cert_alg = this.environment.getCertAlgRsa(); + } + + // cert alg replace + String verify_xml = verify_template.replace(TemplateReplaces.CERT_ALG_REPLACE, cert_alg); + + // data digest replace + { + byte[] data_value = data.getData(); + byte[] data_value_hash = CodingHelper.buildDigest(data_value); + String object_data_hash = CodingHelper.encodeBase64(data_value_hash); + + verify_xml = verify_xml.replace(TemplateReplaces.DIGEST_VALUE_SIGNED_DATA_REPLACE, object_data_hash); + } + + // SIG id replaces + verify_xml = verify_xml.replaceAll(TemplateReplaces.SIG_DATA_REF_REPLACE, ids[1]); + verify_xml = verify_xml.replaceAll(TemplateReplaces.ETSI_DATA_REF_REPLACE, ids[3]); + verify_xml = verify_xml.replaceAll(TemplateReplaces.SIG_DATA_OBJ_URI_REPLACE, ids[2]); + + verify_xml = verify_xml.replace(TemplateReplaces.SIGNATURE_VALUE_REPLACE, so.getSignatureValue()); + + // X.509 Certificate replace + byte[] der = cert.getEncoded(); + byte[] cert_hash = CodingHelper.buildDigest(der); + String certDigest = CodingHelper.encodeBase64(cert_hash); + String x509_cert_string = CodingHelper.encodeBase64(der); + verify_xml = verify_xml.replaceFirst(TemplateReplaces.X509_CERTIFICATE_REPLACE, x509_cert_string); + + // Qualified Properties replaces + verify_xml = verify_xml.replaceAll(TemplateReplaces.ETSI_DATA_OBJ_URI_REPLACE, ids[4]); + verify_xml = verify_xml.replaceAll(TemplateReplaces.SIG_ID_REPLACE, ids[0]); + verify_xml = verify_xml.replaceFirst(TemplateReplaces.SIGNING_TIME_REPLACE, so.getDate()); + verify_xml = verify_xml.replaceFirst(TemplateReplaces.DIGEST_VALUE_CERTIFICATE_REPLACE, certDigest); + verify_xml = verify_xml.replaceFirst(TemplateReplaces.X509_ISSUER_NAME_REPLACE, so.getIssuer()); + verify_xml = verify_xml.replaceFirst(TemplateReplaces.X509_SERIAL_NUMBER_REPLACE, so.getSerialNumber()); + // SigDataRefReplace already done above + verify_xml = verify_xml.replaceFirst(TemplateReplaces.MIME_TYPE_REPLACE, data.getMimeType()); + + // Signed Properties hash + { + final String ETSI_SIGNED_PROPERTIES_START_TAG = "= 0; + final int hash_end = verify_xml.indexOf(ETSI_SIGNED_PROPERTIES_END_TAG, hash_start) + ETSI_SIGNED_PROPERTIES_END_TAG.length(); + assert hash_end - ETSI_SIGNED_PROPERTIES_END_TAG.length() >= 0; + assert hash_end > hash_start; + + final String string_to_be_hashed = verify_xml.substring(hash_start, hash_end); + log.debug("etsi:SignedProperties string to be hashed: " + string_to_be_hashed); //$NON-NLS-1$ + + final byte[] bytes_to_be_hashed = string_to_be_hashed.getBytes("UTF-8"); //$NON-NLS-1$ + byte[] sig_prop_code = CodingHelper.buildDigest(bytes_to_be_hashed); + String sig_prop_hash = CodingHelper.encodeBase64(sig_prop_code); + + verify_xml = verify_xml.replaceFirst(TemplateReplaces.DIGEST_VALUE_SIGNED_PROPERTIES_REPLACE, sig_prop_hash); + } + + log.debug("prepareXMLContent finished."); //$NON-NLS-1$ + return verify_xml; + } + catch (Exception e) + { + log.debug(e); + throw new SignatureException(310, e); + } + } + + /** + * Analyzes the verify response string. + * + * @param response_properties + * The response properties containing the response XML. + * @return Returns the SignatureResponse containing the verification result. + * @throws SignatureException + * f.e. + */ + public SignatureResponse analyzeVerifyResponse(Properties response_properties) throws SignatureException + { + log.debug("analyzeVerifyResponse:"); //$NON-NLS-1$ + + String response_string = response_properties.getProperty(BKUPostConnection.RESPONSE_STRING_KEY); + + checkResponseForError(response_string); + + SignatureResponse signature_response = parseVerifyXMLResponse(response_string); + + log.debug("analyzeVerifyResponse finished."); //$NON-NLS-1$ + return signature_response; + } + + /** + * This method parses the verify response string and return a + * SignatureResponse object. The SignatureResponse object is filled out by the + * response values from the BKU-response. + * + * @param xmlResponse + * the response values from the BKU-verify request + * @return SignatureResponse object + * @see SignatureResponse + */ + private SignatureResponse parseVerifyXMLResponse(String xmlResponse) + { + log.debug("parseVerifyXMLResponse:"); //$NON-NLS-1$ + + Pattern sub_nam_p_s = Pattern.compile(""); //$NON-NLS-1$ + Pattern sub_nam_p_e = Pattern.compile(""); //$NON-NLS-1$ + Pattern iss_nam_p_s = Pattern.compile(""); //$NON-NLS-1$ + Pattern iss_nam_p_e = Pattern.compile(""); //$NON-NLS-1$ + Pattern ser_num_p_s = Pattern.compile(""); //$NON-NLS-1$ + Pattern ser_num_p_e = Pattern.compile(""); //$NON-NLS-1$ + + Pattern sig_chk_p_s = Pattern.compile(""); //$NON-NLS-1$ + Pattern sig_chk_p_e = Pattern.compile(""); //$NON-NLS-1$ + Pattern man_chk_p_s = Pattern.compile(""); //$NON-NLS-1$ + Pattern man_chk_p_e = Pattern.compile(""); //$NON-NLS-1$ + Pattern cer_chk_p_s = Pattern.compile(""); //$NON-NLS-1$ + Pattern cer_chk_p_e = Pattern.compile(""); //$NON-NLS-1$ + + // [tknall] start qualified certificate + Pattern cert_qualified_p = Pattern.compile(""); //$NON-NLS-1$ + Matcher cert_qualified_m = cert_qualified_p.matcher(xmlResponse); + // [tknall] stop qualified certificate + + Pattern code_p_s = Pattern.compile(""); //$NON-NLS-1$ + Pattern code_p_e = Pattern.compile(""); //$NON-NLS-1$ + Pattern info_p_s = Pattern.compile(""); //$NON-NLS-1$ + Pattern info_p_e = Pattern.compile(""); //$NON-NLS-1$ + + Pattern cert_p_s = Pattern.compile(""); //$NON-NLS-1$ + Pattern cert_p_e = Pattern.compile(""); //$NON-NLS-1$ + + Matcher sub_nam_m_s = sub_nam_p_s.matcher(xmlResponse); + Matcher sub_nam_m_e = sub_nam_p_e.matcher(xmlResponse); + Matcher iss_nam_m_s = iss_nam_p_s.matcher(xmlResponse); + Matcher iss_nam_m_e = iss_nam_p_e.matcher(xmlResponse); + Matcher ser_num_m_s = ser_num_p_s.matcher(xmlResponse); + Matcher ser_num_m_e = ser_num_p_e.matcher(xmlResponse); + + Matcher sig_chk_m_s = sig_chk_p_s.matcher(xmlResponse); + Matcher sig_chk_m_e = sig_chk_p_e.matcher(xmlResponse); + Matcher man_chk_m_s = man_chk_p_s.matcher(xmlResponse); + Matcher man_chk_m_e = man_chk_p_e.matcher(xmlResponse); + Matcher cer_chk_m_s = cer_chk_p_s.matcher(xmlResponse); + Matcher cer_chk_m_e = cer_chk_p_e.matcher(xmlResponse); + + Matcher cert_m_s = cert_p_s.matcher(xmlResponse); + Matcher cert_m_e = cert_p_e.matcher(xmlResponse); + + SignatureResponse sig_res = new SignatureResponse(); + + // [tknall] start qualified certificate + sig_res.setQualifiedCertificate(cert_qualified_m.find()); + // [tknall] stop qualified certificate + + if (sub_nam_m_s.find() && sub_nam_m_e.find()) + { + String sub_nam = xmlResponse.substring(sub_nam_m_s.end(), sub_nam_m_e.start()); + sig_res.setX509SubjectName(sub_nam); + } + if (iss_nam_m_s.find() && iss_nam_m_e.find()) + { + String iss_nam = xmlResponse.substring(iss_nam_m_s.end(), iss_nam_m_e.start()); + sig_res.setX509IssuerName(iss_nam); + } + if (ser_num_m_s.find() && ser_num_m_e.find()) + { + String ser_num = xmlResponse.substring(ser_num_m_s.end(), ser_num_m_e.start()); + sig_res.setX509SerialNumber(ser_num); + } + if (sig_chk_m_s.find() && sig_chk_m_e.find()) + { + String sig_chk = xmlResponse.substring(sig_chk_m_s.end(), sig_chk_m_e.start()); + Matcher code_m_s = code_p_s.matcher(sig_chk); + Matcher code_m_e = code_p_e.matcher(sig_chk); + Matcher info_m_s = info_p_s.matcher(sig_chk); + Matcher info_m_e = info_p_e.matcher(sig_chk); + if (code_m_s.find() && code_m_e.find()) + { + String code = sig_chk.substring(code_m_s.end(), code_m_e.start()); + sig_res.setSignatureCheckCode(code); + } + if (info_m_s.find() && info_m_e.find()) + { + String info = sig_chk.substring(info_m_s.end(), info_m_e.start()); + sig_res.setSignatureCheckInfo(info); + } + } + if (man_chk_m_s.find() && man_chk_m_e.find()) + { + String man_chk = xmlResponse.substring(man_chk_m_s.end(), man_chk_m_e.start()); + Matcher code_m_s = code_p_s.matcher(man_chk); + Matcher code_m_e = code_p_e.matcher(man_chk); + Matcher info_m_s = info_p_s.matcher(man_chk); + Matcher info_m_e = info_p_e.matcher(man_chk); + if (code_m_s.find() && code_m_e.find()) + { + String code = man_chk.substring(code_m_s.end(), code_m_e.start()); + sig_res.setSignatureManifestCheckCode(code); + } + if (info_m_s.find() && info_m_e.find()) + { + String info = man_chk.substring(info_m_s.end(), info_m_e.start()); + sig_res.setSignatureManifestCheckInfo(info); + } + } + if (cer_chk_m_s.find() && cer_chk_m_e.find()) + { + String cer_chk = xmlResponse.substring(cer_chk_m_s.end(), cer_chk_m_e.start()); + Matcher code_m_s = code_p_s.matcher(cer_chk); + Matcher code_m_e = code_p_e.matcher(cer_chk); + Matcher info_m_s = info_p_s.matcher(cer_chk); + Matcher info_m_e = info_p_e.matcher(cer_chk); + if (code_m_s.find() && code_m_e.find()) + { + String code = cer_chk.substring(code_m_s.end(), code_m_e.start()); + sig_res.setCertificateCheckCode(code); + } + if (info_m_s.find() && info_m_e.find()) + { + String info = cer_chk.substring(info_m_s.end(), info_m_e.start()); + sig_res.setCertificateCheckInfo(info); + } + } + if (cert_m_s.find() && cert_m_e.find()) + { + String cert_string = xmlResponse.substring(cert_m_s.end(), cert_m_e.start()); + + X509Cert resp_cert = X509Cert.initByString(cert_string); + sig_res.setCertificate(resp_cert); + } + + log.debug("parseVerifyXMLResponse finished."); //$NON-NLS-1$ + return sig_res; + } + + + /** + * Holds environment configuration information like templates. + * + * @author wprinz + */ + public static class Environment + { + /** + * The configuration key of the sign keybox identifier. + */ + protected static final String SIGN_KEYBOX_IDENTIFIER_KEY = "bku.sign.KeyboxIdentifier"; //$NON-NLS-1$ + + /** + * The configuration key of the sign request template. + */ + protected static final String SIGN_REQUEST_TEMPLATE_KEY = "bku.sign.request.detached"; //$NON-NLS-1$ + + /** + * The configuration key of the sign URL. + */ + protected static final String SIGN_URL_KEY = "bku.sign.url"; //$NON-NLS-1$ + + /** + * The configuration key of the verify request template. + */ + protected static final String VERIFY_REQUEST_TEMPLATE_KEY = "bku.verify.request.detached"; //$NON-NLS-1$ + + /** + * The configuration key of the verify template. + */ + protected static final String VERIFY_TEMPLATE_KEY = "bku.verify.template.detached"; //$NON-NLS-1$ + + /** + * The configuration key of the verify URL. + */ + protected static final String VERIFY_URL_KEY = "bku.verify.url"; //$NON-NLS-1$ + + /** + * The configuration key for the ECDSA cert alg property. + */ + protected static final String ECDSA_CERT_ALG_KEY = "cert.alg.ecdsa"; //$NON-NLS-1$ + + /** + * The configuration key for the RSA cert alg property. + */ + protected static final String RSA_CERT_ALG_KEY = "cert.alg.rsa"; //$NON-NLS-1$ + + protected String sign_keybox_identifier = null; + + protected String sign_request_template = null; + + protected String sign_url = null; + + protected String verify_request_template = null; + + protected String verify_template = null; + + protected String verify_url = null; + + protected String cert_alg_ecdsa = null; + + protected String cert_alg_rsa = null; + + /** + * Initializes the environment with a given profile. + * + * @param profile + * The configuration profile. + * @throws SettingsException + * f.e. + * @throws SignatureException + * f.e. + */ + public Environment(String profile) throws SettingsException, SignatureException + { + SettingsReader settings = SettingsReader.getInstance(); + + this.sign_keybox_identifier = getConnectorValueFromProfile(settings, profile, SIGN_KEYBOX_IDENTIFIER_KEY); + + String sign_request_filename = getConnectorValueFromProfile(settings, profile, SIGN_REQUEST_TEMPLATE_KEY); + this.sign_request_template = FileHelper.readFromFile(SettingsReader.relocateFile(sign_request_filename)); + if (this.sign_request_template == null) + { + // TODO make this a settings exception + throw new SignatureException(300, "Can not read the create xml request template"); //$NON-NLS-1$ + } + + this.sign_url = getConnectorValueFromProfile(settings, profile, SIGN_URL_KEY); + + String verify_request_filename = getConnectorValueFromProfile(settings, profile, VERIFY_REQUEST_TEMPLATE_KEY); + this.verify_request_template = FileHelper.readFromFile(SettingsReader.relocateFile(verify_request_filename)); + if (this.verify_request_template == null) + { + // TODO make this a settings exception + throw new SignatureException(300, "Can not read the verify xml request template"); //$NON-NLS-1$ + } + + String verify_filename = getConnectorValueFromProfile(settings, profile, VERIFY_TEMPLATE_KEY); + this.verify_template = FileHelper.readFromFile(SettingsReader.relocateFile(verify_filename)); + if (this.verify_template == null) + { + // TODO make this a settings exception + throw new SignatureException(300, "Can not read the verify template"); //$NON-NLS-1$ + } + + this.verify_url = getConnectorValueFromProfile(settings, profile, VERIFY_URL_KEY); + + this.cert_alg_ecdsa = settings.getValueFromKey(ECDSA_CERT_ALG_KEY); + + this.cert_alg_rsa = settings.getValueFromKey(RSA_CERT_ALG_KEY); + + } + + /** + * Returns the sign keybox identifier. + * + * @return Returns the sign keybox identifier. + */ + public String getSignKeyboxIdentifier() + { + return this.sign_keybox_identifier; + } + + /** + * Returns the sign request template. + * + * @return Returns the sign request template. + */ + public String getSignRequestTemplate() + { + return this.sign_request_template; + } + + /** + * Returns the sign URL. + * + * @return Returns the sign URL. + */ + public String getSignURL() + { + return this.sign_url; + } + + /** + * Returns the verify request template. + * + * @return Returns the verify request template. + */ + public String getVerifyRequestTemplate() + { + return this.verify_request_template; + } + + /** + * Returns the verify template. + * + * @return Returns the verify template. + */ + public String getVerifyTemplate() + { + return this.verify_template; + } + + /** + * Returns the verify URL. + * + * @return Returns the verify URL. + */ + public String getVerifyURL() + { + return this.verify_url; + } + + /** + * Returns the ecdsa cert alg property. + * + * @return Returns the ecdsa cert alg property. + */ + public String getCertAlgEcdsa() + { + return this.cert_alg_ecdsa; + } + + /** + * Returns the rsa cert alg property. + * + * @return Returns the rsa cert alg property. + */ + public String getCertAlgRsa() + { + return this.cert_alg_rsa; + } + + /** + * Reads the configuration entry given by the key, first from the given + * profile, if not found from the defaults. + * + * @param settings + * The settings. + * @param profile + * The profile. + * @param key + * The configuration key. + * @return Returns the configuration entry. + */ + public static String getConnectorValueFromProfile(SettingsReader settings, + String profile, String key) + { + String value = settings.getValueFromKey("sig_obj." + profile + "." + key); //$NON-NLS-1$//$NON-NLS-2$ + if (value == null) + { + value = settings.getValueFromKey(key); + } + return value; + } + + } +} -- cgit v1.2.3