Java tutorial
/******************************************************************************* * <copyright> Copyright 2014 by E-Government Innovation Center EGIZ, 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.gv.egiz.sl.util; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.nio.charset.Charset; import java.util.regex.Matcher; import java.util.regex.Pattern; import javax.xml.bind.JAXBElement; import javax.xml.bind.JAXBException; import org.apache.http.Header; import org.apache.http.HttpResponse; import org.apache.http.client.ClientProtocolException; import org.apache.http.client.methods.HttpPost; import org.apache.http.entity.ContentType; import org.apache.http.entity.mime.MultipartEntityBuilder; import org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.impl.client.HttpClientBuilder; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import at.gv.egiz.pdfas.common.exceptions.ErrorConstants; import at.gv.egiz.pdfas.common.exceptions.PDFIOException; import at.gv.egiz.pdfas.common.exceptions.PdfAsException; import at.gv.egiz.pdfas.common.exceptions.PdfAsWrappedIOException; import at.gv.egiz.pdfas.common.exceptions.SLPdfAsException; import at.gv.egiz.pdfas.common.utils.PDFUtils; import at.gv.egiz.pdfas.lib.api.Configuration; import at.gv.egiz.pdfas.lib.api.sign.SignParameter; import at.gv.egiz.pdfas.lib.impl.BKUHeaderHolder; import at.gv.egiz.sl.schema.BulkRequestType; import at.gv.egiz.sl.schema.BulkRequestType.CreateSignatureRequest; import at.gv.egiz.sl.schema.BulkResponseType; import at.gv.egiz.sl.schema.CreateCMSSignatureResponseType; import at.gv.egiz.sl.schema.ErrorResponseType; import at.gv.egiz.sl.schema.InfoboxReadRequestType; import at.gv.egiz.sl.schema.InfoboxReadResponseType; public class BKUSLConnector extends BaseSLConnector { private static final Logger logger = LoggerFactory.getLogger(BKUSLConnector.class); public static final String SIGNATURE_DEVICE = "BKU"; public static final String PATTERN_ERROR_CODE = "<.*:?ErrorCode>\\s*([0-9]+)\\s*</.*:?ErrorCode>"; public static final String PATTERN_ERROR_INFO = "<.*:?Info>\\s*(.*)\\s*</.*:?Info>"; private String bkuUrl; public BKUSLConnector(Configuration config) { this.bkuUrl = config.getValue(CONFIG_BKU_URL); } private CloseableHttpClient buildHttpClient() { HttpClientBuilder builder = HttpClientBuilder.create(); return builder.build(); } public static SLPdfAsException generateLegacySLException(String xmlResponse) { if (xmlResponse != null) { if (xmlResponse.contains("ErrorResponse")) { int errorCode = -1; String errorInfo = null; // Probably an ErrorResponse Pattern patternErrorCode = Pattern.compile(PATTERN_ERROR_CODE, Pattern.CASE_INSENSITIVE); Matcher matcherErrorCode = patternErrorCode.matcher(xmlResponse); if (matcherErrorCode.find()) { if (matcherErrorCode.groupCount() == 1) { String errorCodeString = matcherErrorCode.group(1); try { errorCode = Integer.parseInt(errorCodeString); } catch (NumberFormatException e) { // Ignore logger.trace("Failed to convert ErrorCode [{}] into number", errorCodeString); } } } if (errorCode > 0) { Pattern patternErrorInfo = Pattern.compile(PATTERN_ERROR_INFO, Pattern.CASE_INSENSITIVE); Matcher matcherErrorInfo = patternErrorInfo.matcher(xmlResponse); if (matcherErrorInfo.find()) { if (matcherErrorInfo.groupCount() == 1) { errorInfo = matcherErrorInfo.group(1); } } return new SLPdfAsException(errorCode, errorInfo); } } } return null; } private String performHttpRequestToBKU(String xmlRequest, RequestPackage pack, SignParameter parameter) throws ClientProtocolException, IOException, IllegalStateException { CloseableHttpClient client = null; try { client = buildHttpClient(); HttpPost post = new HttpPost(this.bkuUrl); MultipartEntityBuilder entityBuilder = MultipartEntityBuilder.create(); entityBuilder.setCharset(Charset.forName("UTF-8")); entityBuilder.addTextBody(XMLREQUEST, xmlRequest, ContentType.TEXT_XML.withCharset(Charset.forName("UTF-8"))); if (parameter != null) { String transactionId = parameter.getTransactionId(); if (transactionId != null) { entityBuilder.addTextBody("TransactionId_", transactionId); } } if (pack != null && pack.getSignatureData() != null) { entityBuilder.addBinaryBody("fileupload", PDFUtils.blackOutSignature(pack.getSignatureData(), pack.getByteRange())); } post.setEntity(entityBuilder.build()); HttpResponse response = client.execute(post); logger.debug("Response Code : " + response.getStatusLine().getStatusCode()); if (parameter instanceof BKUHeaderHolder) { BKUHeaderHolder holder = (BKUHeaderHolder) parameter; Header[] headers = response.getAllHeaders(); if (headers != null) { for (int i = 0; i < headers.length; i++) { BKUHeader hdr = new BKUHeader(headers[i].getName(), headers[i].getValue()); logger.debug("Response Header : {}", hdr.toString()); if (hdr.toString().contains("Server")) { BaseSLConnector.responseHeader = hdr.toString(); } holder.getProcessInfo().add(hdr); } } BKUHeader hdr = new BKUHeader(ErrorConstants.STATUS_INFO_SIGDEVICE, SIGNATURE_DEVICE); logger.debug("Response Header : {}", hdr.toString()); holder.getProcessInfo().add(hdr); } BufferedReader rd = new BufferedReader(new InputStreamReader(response.getEntity().getContent())); StringBuffer result = new StringBuffer(); String line = ""; while ((line = rd.readLine()) != null) { result.append(line); } rd.close(); response = null; rd = null; logger.trace(result.toString()); return result.toString(); } catch (PDFIOException e) { throw new PdfAsWrappedIOException(e); } finally { if (client != null) { client.close(); } } } public InfoboxReadResponseType sendInfoboxReadRequest(InfoboxReadRequestType request, SignParameter parameter) throws PdfAsException { JAXBElement<?> element = null; String slRequest; String slResponse = null; try { slRequest = SLMarschaller.marshalToString(of.createInfoboxReadRequest(request)); logger.trace(slRequest); slResponse = performHttpRequestToBKU(slRequest, null, parameter); element = (JAXBElement<?>) SLMarschaller.unmarshalFromString(slResponse); } catch (JAXBException e) { SLPdfAsException slError = generateLegacySLException(slResponse); if (slError != null) { throw slError; } throw new PDFIOException("error.pdf.io.03", e); } catch (ClientProtocolException e) { SLPdfAsException slError = generateLegacySLException(slResponse); if (slError != null) { throw slError; } throw new PDFIOException("error.pdf.io.03", e); } catch (IOException e) { SLPdfAsException slError = generateLegacySLException(slResponse); if (slError != null) { throw slError; } throw new PDFIOException("error.pdf.io.03", e); } if (element == null) { throw new PDFIOException("error.pdf.io.04"); } if (element.getValue() instanceof InfoboxReadResponseType) { InfoboxReadResponseType infoboxReadResponseType = (InfoboxReadResponseType) element.getValue(); return infoboxReadResponseType; } else if (element.getValue() instanceof ErrorResponseType) { ErrorResponseType errorResponseType = (ErrorResponseType) element.getValue(); throw new SLPdfAsException(errorResponseType.getErrorCode(), errorResponseType.getInfo()); } throw new PdfAsException("error.pdf.io.03"); } public CreateCMSSignatureResponseType sendCMSRequest(RequestPackage pack, SignParameter parameter) throws PdfAsException { JAXBElement<?> element = null; String slRequest; String slResponse = null; try { slRequest = SLMarschaller.marshalToString(of.createCreateCMSSignatureRequest(pack.getRequestType())); logger.debug(slRequest); slResponse = performHttpRequestToBKU(slRequest, pack, parameter); element = (JAXBElement<?>) SLMarschaller.unmarshalFromString(slResponse); } catch (JAXBException e) { SLPdfAsException slError = generateLegacySLException(slResponse); if (slError != null) { throw slError; } throw new PDFIOException("error.pdf.io.03", e); } catch (ClientProtocolException e) { SLPdfAsException slError = generateLegacySLException(slResponse); if (slError != null) { throw slError; } throw new PDFIOException("error.pdf.io.03", e); } catch (IOException e) { SLPdfAsException slError = generateLegacySLException(slResponse); if (slError != null) { throw slError; } throw new PDFIOException("error.pdf.io.03", e); } if (element == null) { throw new PDFIOException("error.pdf.io.05"); } if (element.getValue() instanceof CreateCMSSignatureResponseType) { CreateCMSSignatureResponseType createCMSSignatureResponseType = (CreateCMSSignatureResponseType) element .getValue(); logger.debug(createCMSSignatureResponseType.toString()); return createCMSSignatureResponseType; } else if (element.getValue() instanceof ErrorResponseType) { ErrorResponseType errorResponseType = (ErrorResponseType) element.getValue(); throw new SLPdfAsException(errorResponseType.getErrorCode(), errorResponseType.getInfo()); } throw new PdfAsException("error.pdf.io.03"); } @Override public BulkResponseType sendBulkRequest(BulkRequestPackage pack, SignParameter parameter) throws PdfAsException { JAXBElement<?> element = null; String slRequest; String slResponse = null; try { BulkRequestType bulkRequest = new BulkRequestType(); for (SignRequestPackage signRequestPackage : pack.getSignRequestPackages()) { CreateSignatureRequest signRequest = new CreateSignatureRequest(); signRequest.setDisplayName(signRequestPackage.getDisplayName()); signRequest.setCreateCMSSignatureRequest(signRequestPackage.getCmsRequest().getRequestType()); bulkRequest.getCreateSignatureRequest().add(signRequest); } slRequest = SLMarschaller.marshalToString(of.createBulkRequest(bulkRequest)); logger.debug(slRequest); slResponse = performHttpBulkRequestToBKU(slRequest, pack, parameter); element = (JAXBElement<?>) SLMarschaller.unmarshalFromString(slResponse); } catch (JAXBException e) { SLPdfAsException slError = generateLegacySLException(slResponse); if (slError != null) { throw slError; } throw new PDFIOException("error.pdf.io.03", e); } catch (ClientProtocolException e) { SLPdfAsException slError = generateLegacySLException(slResponse); if (slError != null) { throw slError; } throw new PDFIOException("error.pdf.io.03", e); } catch (IOException e) { SLPdfAsException slError = generateLegacySLException(slResponse); if (slError != null) { throw slError; } throw new PDFIOException("error.pdf.io.03", e); } if (element.getValue() instanceof BulkResponseType) { BulkResponseType bulkResponseType = (BulkResponseType) element.getValue(); logger.debug(bulkResponseType.toString()); return bulkResponseType; } else if (element.getValue() instanceof ErrorResponseType) { ErrorResponseType errorResponseType = (ErrorResponseType) element.getValue(); throw new SLPdfAsException(errorResponseType.getErrorCode(), errorResponseType.getInfo()); } throw new PdfAsException("error.pdf.io.03"); } private String performHttpBulkRequestToBKU(String xmlRequest, BulkRequestPackage pack, SignParameter parameter) throws ClientProtocolException, IOException, IllegalStateException { CloseableHttpClient client = null; try { client = buildHttpClient(); HttpPost post = new HttpPost(this.bkuUrl); MultipartEntityBuilder entityBuilder = MultipartEntityBuilder.create(); entityBuilder.setCharset(Charset.forName("UTF-8")); entityBuilder.addTextBody(XMLREQUEST, xmlRequest, ContentType.TEXT_XML.withCharset(Charset.forName("UTF-8"))); if (parameter != null) { String transactionId = parameter.getTransactionId(); if (transactionId != null) { entityBuilder.addTextBody("TransactionId_", transactionId); } } for (SignRequestPackage signRequestPackage : pack.getSignRequestPackages()) { if (pack != null && signRequestPackage != null && signRequestPackage.getCmsRequest().getSignatureData() != null) { entityBuilder.addBinaryBody("fileupload", PDFUtils.blackOutSignature(signRequestPackage.getCmsRequest().getSignatureData(), signRequestPackage.getCmsRequest().getByteRange())); } } post.setEntity(entityBuilder.build()); HttpResponse response = client.execute(post); logger.debug("Response Code : " + response.getStatusLine().getStatusCode()); if (parameter instanceof BKUHeaderHolder) { BKUHeaderHolder holder = (BKUHeaderHolder) parameter; Header[] headers = response.getAllHeaders(); if (headers != null) { for (int i = 0; i < headers.length; i++) { BKUHeader hdr = new BKUHeader(headers[i].getName(), headers[i].getValue()); logger.debug("Response Header : {}", hdr.toString()); holder.getProcessInfo().add(hdr); } } BKUHeader hdr = new BKUHeader(ErrorConstants.STATUS_INFO_SIGDEVICE, SIGNATURE_DEVICE); logger.debug("Response Header : {}", hdr.toString()); holder.getProcessInfo().add(hdr); } BufferedReader rd = new BufferedReader(new InputStreamReader(response.getEntity().getContent())); StringBuffer result = new StringBuffer(); String line = ""; while ((line = rd.readLine()) != null) { result.append(line); } rd.close(); response = null; rd = null; logger.trace(result.toString()); return result.toString(); } catch (PDFIOException e) { throw new PdfAsWrappedIOException(e); } finally { if (client != null) { client.close(); } } } }