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author | Tobias Kellner <tobias.kellner@iaik.tugraz.at> | 2014-11-27 20:57:33 +0100 |
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committer | Tobias Kellner <tobias.kellner@iaik.tugraz.at> | 2014-11-27 20:57:33 +0100 |
commit | 9e50f1a103a37d9dcfbeb5ea45bcf6c6c0c0f6dd (patch) | |
tree | 03355244de7f50fc75f0ccffb51cd0073ba92340 /pdf-over-gui/src/main/java/at/asit/pdfover/gui/bku/mobile/MobileBKUHandler.java | |
parent | 896fbe4a5643bf8c29968f8514a1c14fd51c4d9e (diff) | |
download | pdf-over-9e50f1a103a37d9dcfbeb5ea45bcf6c6c0c0f6dd.tar.gz pdf-over-9e50f1a103a37d9dcfbeb5ea45bcf6c6c0c0f6dd.tar.bz2 pdf-over-9e50f1a103a37d9dcfbeb5ea45bcf6c6c0c0f6dd.zip |
Implement PDF-AS 4 changes
Diffstat (limited to 'pdf-over-gui/src/main/java/at/asit/pdfover/gui/bku/mobile/MobileBKUHandler.java')
-rw-r--r-- | pdf-over-gui/src/main/java/at/asit/pdfover/gui/bku/mobile/MobileBKUHandler.java | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/bku/mobile/MobileBKUHandler.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/bku/mobile/MobileBKUHandler.java new file mode 100644 index 00000000..3c2609a7 --- /dev/null +++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/bku/mobile/MobileBKUHandler.java @@ -0,0 +1,264 @@ +/* + * 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.mobile; + +import java.io.ByteArrayOutputStream; +import java.io.IOException; +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +import org.apache.commons.httpclient.Header; +import org.apache.commons.httpclient.HttpClient; +import org.apache.commons.httpclient.HttpException; +import org.apache.commons.httpclient.HttpStatus; +import org.apache.commons.httpclient.methods.GetMethod; +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.bku.BKUHelper; +import at.asit.pdfover.gui.utils.FileUploadSource; +import at.asit.pdfover.gui.workflow.states.LocalBKUState; +import at.asit.pdfover.gui.workflow.states.MobileBKUState; +import at.asit.pdfover.signator.SLRequest; +import at.asit.pdfover.signator.SigningState; + +/** + * A mobile BKU Handler + */ +public abstract class MobileBKUHandler { + /** + * SLF4J Logger instance + **/ + static final Logger log = LoggerFactory + .getLogger(MobileBKUHandler.class); + + private MobileBKUState state; + + /** + * Constructor + * @param state the MobileBKUState + */ + public MobileBKUHandler(MobileBKUState state) + { + this.state = state; + } + + /** + * Post the SL request + * @param mobileBKUUrl mobile BKU URL + * @param request SLRequest + * @return the response + * @throws IOException IO error + */ + public String postSLRequest(String mobileBKUUrl, SLRequest request) throws IOException { + MobileBKUHelper.registerTrustedSocketFactory(); + HttpClient client = BKUHelper.getHttpClient(); + + PostMethod post = new PostMethod(mobileBKUUrl); + String sl_request; + if (request.getSignatureData() != null) { + if (useBase64Request()) + { + sl_request = request.getBase64Request(); + post.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 }; + + post.setRequestEntity(new MultipartRequestEntity(parts, post + .getParams())); + } + } else { + sl_request = request.getRequest(); + post.addParameter("XMLRequest", sl_request); //$NON-NLS-1$ + } + log.debug("SL Request: " + sl_request); //$NON-NLS-1$ + + getState().getStatus().setBaseURL( + MobileBKUHelper.stripQueryString(mobileBKUUrl)); + + return executePost(client, post); + } + + /** + * Handle the response to the SL request post + * @param responseData response data + * @throws Exception Error during handling + */ + public abstract void handleSLRequestResponse(String responseData) throws Exception; + + + /** + * Post the credentials + * @return the response + * @throws Exception Error during posting + */ + public abstract String postCredentials() throws Exception; + + /** + * Handle the response to credentials post + * @param responseData response data + * @throws Exception Error during handling + */ + public abstract void handleCredentialsResponse(String responseData) throws Exception; + + /** + * Post the TAN + * @return the response + * @throws Exception Error during posting + */ + public abstract String postTAN() throws Exception; + + /** + * Handle the response to TAN post + * @param responseData response data + * @throws Exception Error during handling + */ + public abstract void handleTANResponse(String responseData) throws Exception; + + /** + * Get the MobileBKUState + * @return the MobileBKUState + */ + protected MobileBKUState getState() { + return this.state; + } + + /** + * Get the MobileBKUStatus + * @return the MobileBKUStatus + */ + protected MobileBKUStatus getStatus() { + return this.state.getStatus(); + } + + /** + * Get the SigningState + * @return the SigningState + */ + protected SigningState getSigningState() { + return getState().getSigningState(); + } + + /** + * Whether to use a Base64 request + * @return true if base64 request shall be used + */ + protected abstract boolean useBase64Request(); + + /** + * Execute a post to the mobile BKU, following redirects + * @param client the HttpClient + * @param post the PostMethod + * @return the response + * @throws IOException IO error + */ + protected String executePost(HttpClient client, PostMethod post) throws IOException { + if (log.isDebugEnabled()) { + String req; + if (post.getRequestEntity().getContentLength() < 1024) { + ByteArrayOutputStream os = new ByteArrayOutputStream(); + post.getRequestEntity().writeRequest(os); + req = os.toString(); + if (req.contains("passwort=")) //$NON-NLS-1$ + req = req.replaceAll("passwort=[^&]*", "passwort=******"); //$NON-NLS-1$ //$NON-NLS-2$ + if (req.contains(":pwd=")) //$NON-NLS-1$ + req = req.replaceAll(":pwd=[^&]*", ":pwd=******"); //$NON-NLS-1$ //$NON-NLS-2$ + os.close(); + } else { + req = post.getRequestEntity().getContentLength() + " bytes"; //$NON-NLS-1$ + } + log.debug("Posting to " + post.getURI() + ": " + req); //$NON-NLS-1$ //$NON-NLS-2$ + } + int returnCode = client.executeMethod(post); + + String redirectLocation = null; + + GetMethod get = null; + + String responseData = null; + + String server = null; + + // Follow redirects + do { + // check return code + if (returnCode == HttpStatus.SC_MOVED_TEMPORARILY || + returnCode == HttpStatus.SC_MOVED_PERMANENTLY) { + + Header locationHeader = post.getResponseHeader("location"); //$NON-NLS-1$ + if (locationHeader != null) { + redirectLocation = locationHeader.getValue(); + } else { + throw new IOException( + "Got HTTP 302 but no location to follow!"); //$NON-NLS-1$ + } + } else if (returnCode == HttpStatus.SC_OK) { + if (get != null) { + responseData = get.getResponseBodyAsString(); + Header serverHeader = get.getResponseHeader( + LocalBKUState.BKU_RESPONSE_HEADER_SERVER); + if (serverHeader != null) + server = serverHeader.getValue(); + } else { + responseData = post.getResponseBodyAsString(); + + Header serverHeader = post.getResponseHeader( + LocalBKUState.BKU_RESPONSE_HEADER_SERVER); + if (serverHeader != null) + server = serverHeader.getValue(); + } + redirectLocation = null; + String p = "<meta [^>]*http-equiv=\"refresh\" [^>]*content=\"([^\"]*)\""; //$NON-NLS-1$ + Pattern pat = Pattern.compile(p); + Matcher m = pat.matcher(responseData); + if (m.find()) { + String content = m.group(1); + int start = content.indexOf("URL=") +9; //$NON-NLS-1$ + redirectLocation = content.substring(start, content.length() - 5); + } + } else { + throw new HttpException( + HttpStatus.getStatusText(returnCode)); + } + + if (redirectLocation != null) { + redirectLocation = getStatus().ensureSessionID(redirectLocation); + log.debug("Redirected to " + redirectLocation); //$NON-NLS-1$ + get = new GetMethod(redirectLocation); + get.setFollowRedirects(true); + returnCode = client.executeMethod(get); + } + } while (redirectLocation != null); + + getStatus().setServer(server); + if (server != null) + log.info("Server: " + server); //$NON-NLS-1$ + + return responseData; + } +} |