Implement PDF-AS 4 changes

1 files changed, 158 insertions, 0 deletions

diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/bku/LocalBKUConnector.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/bku/LocalBKUConnector.java
new file mode 100644
index 00000000..f862455c
--- /dev/null
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/bku/LocalBKUConnector.java
@@ -0,0 +1,158 @@
+/*

+ * Copyright 2012 by A-SIT, Secure Information Technology Center Austria

+ *

+ * 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://joinup.ec.europa.eu/software/page/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.

+ */

+package at.asit.pdfover.gui.bku;

+

+// Imports

+import java.io.IOException;

+

+import org.apache.commons.httpclient.HttpClient;

+import org.apache.commons.httpclient.HttpException;

+import org.apache.commons.httpclient.HttpMethod;

+import org.apache.commons.httpclient.HttpStatus;

+import org.apache.commons.httpclient.methods.PostMethod;

+import org.apache.commons.httpclient.methods.multipart.FilePart;

+import org.apache.commons.httpclient.methods.multipart.MultipartRequestEntity;

+import org.apache.commons.httpclient.methods.multipart.Part;

+import org.apache.commons.httpclient.methods.multipart.StringPart;

+import org.slf4j.Logger;

+import org.slf4j.LoggerFactory;

+

+import at.asit.pdfover.gui.Constants;

+import at.asit.pdfover.gui.utils.FileUploadSource;

+import at.asit.pdfover.signator.BkuSlConnector;

+import at.asit.pdfover.signator.SLRequest;

+import at.asit.pdfover.signator.SLResponse;

+import at.asit.pdfover.signator.SignatureException;

+

+/**

+ * 

+ */

+public class LocalBKUConnector implements BkuSlConnector {

+	/**

+	 * SLF4J Logger instance

+	 **/

+	private static final Logger log = LoggerFactory

+			.getLogger(LocalBKUConnector.class);

+

+	/** Whether to use Base64 or FileUpload Request */

+	private boolean useBase64Request = false;

+

+	/**

+	 * HTTP Response server HEADER

+	 */

+	public final static String BKU_RESPONSE_HEADER_SERVER = "server"; //$NON-NLS-1$

+

+	/**

+	 * HTTP Response user-agent HEADER

+	 */

+	public final static String BKU_RESPONSE_HEADER_USERAGENT = "user-agent"; //$NON-NLS-1$

+

+	/**

+	 * HTTP Response SignatureLayout HEADER

+	 */

+	public final static String BKU_RESPONSE_HEADER_SIGNATURE_LAYOUT = "SignatureLayout"; //$NON-NLS-1$

+

+	/**

+	 * Null-Operation SL-Request

+	 */

+	private final static String NULL_OPERATION_REQUEST = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" + //$NON-NLS-1$

+			"<sl:NullOperationRequest xmlns:sl=\"http://www.buergerkarte.at/namespaces/securitylayer/1.2#\"/>"; //$NON-NLS-1$

+

+	/* (non-Javadoc)

+	 * @see at.asit.pdfover.signator.BkuSlConnector#handleSLRequest(java.lang.String)

+	 */

+	@Override

+	public SLResponse handleSLRequest(SLRequest request) throws SignatureException {

+		try {

+			HttpClient client = BKUHelper.getHttpClient();

+

+			PostMethod method = new PostMethod(Constants.LOCAL_BKU_URL);

+

+			String sl_request = NULL_OPERATION_REQUEST;

+			method.addParameter("XMLRequest", sl_request); //$NON-NLS-1$

+			int returnCode = client.executeMethod(method);

+

+			String userAgent = getResponseHeader(method, BKU_RESPONSE_HEADER_USERAGENT);

+			String server = getResponseHeader(method, BKU_RESPONSE_HEADER_SERVER);

+			if (server != null && server.contains("trustDeskbasic")) //$NON-NLS-1$

+				this.useBase64Request = true; // TDB doesn't support MultiPart requests

+

+			method = new PostMethod(Constants.LOCAL_BKU_URL);

+

+			if (request.getSignatureData() != null) {

+				if (this.useBase64Request)

+				{

+					sl_request = request.getBase64Request();

+					method.addParameter("XMLRequest", sl_request); //$NON-NLS-1$

+				} else {

+					sl_request = request.getFileUploadRequest();

+					StringPart xmlpart = new StringPart(

+							"XMLRequest", sl_request, "UTF-8"); //$NON-NLS-1$ //$NON-NLS-2$

+	

+					FilePart filepart = new FilePart("fileupload",	//$NON-NLS-1$

+							new FileUploadSource(request.getSignatureData()));

+	

+					Part[] parts = { xmlpart, filepart };

+	

+					method.setRequestEntity(new MultipartRequestEntity(parts, method

+							.getParams()));

+				}

+			} else {

+				method.addParameter("XMLRequest", request.getRequest()); //$NON-NLS-1$

+			}

+			log.debug("SL REQUEST: " + sl_request); //$NON-NLS-1$

+

+			returnCode = client.executeMethod(method);

+

+			if (returnCode != HttpStatus.SC_OK) {

+				throw new HttpException(

+						method.getResponseBodyAsString());

+			}

+				

+			server = getResponseHeader(method, BKU_RESPONSE_HEADER_SERVER);

+			if (server == null)

+				server = ""; //$NON-NLS-1$

+			userAgent = getResponseHeader(method, BKU_RESPONSE_HEADER_USERAGENT);

+			if (userAgent == null)

+				userAgent = ""; //$NON-NLS-1$

+			String signatureLayout = getResponseHeader(method, BKU_RESPONSE_HEADER_SIGNATURE_LAYOUT);

+

+			String response = method.getResponseBodyAsString();

+			log.debug("SL Response: " + response); //$NON-NLS-1$

+			SLResponse slResponse = new SLResponse(response, server,

+					userAgent, signatureLayout);

+			return slResponse;

+		} catch (HttpException e) {

+			log.error("LocalBKUConnector: ", e); //$NON-NLS-1$

+			throw new SignatureException(e);

+		} catch (IOException e) {

+			log.error("LocalBKUConnector: ", e); //$NON-NLS-1$

+			throw new SignatureException(e);

+		}

+	}

+

+	/**

+	 * Returns the value corresponding to the given header name

+	 * @param method the HTTP method

+	 * @param headerName the header name

+	 * @return the header value (or null if not found)

+	 */

+	private static String getResponseHeader(HttpMethod method, String headerName) {

+		if (method.getResponseHeader(headerName) == null)

+			return null;

+		return method.getResponseHeader(headerName).getValue();

+	}

+}