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| author | tknall <tknall@7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c> | 2009-12-02 18:10:49 +0000 |
|---|---|---|
| committer | tknall <tknall@7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c> | 2009-12-02 18:10:49 +0000 |
| commit | 840d6a4b71e5c8c0273be231a85306be26356933 (patch) | |
| tree | d8f884e5b574f3b8b3e6bb4493a1b5527304346e /src/main/java/demo/SignatureVerificationDemo.java | |
| parent | 1fba63b7c5a897881096fe1f7f3ec19872ef5fdb (diff) | |
| download | pdf-as-3-840d6a4b71e5c8c0273be231a85306be26356933.tar.gz pdf-as-3-840d6a4b71e5c8c0273be231a85306be26356933.tar.bz2 pdf-as-3-840d6a4b71e5c8c0273be231a85306be26356933.zip | |
Two demos added, showing extraction of non-textual objects during signature and verification
git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@484 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c
Diffstat (limited to 'src/main/java/demo/SignatureVerificationDemo.java')
| -rw-r--r-- | src/main/java/demo/SignatureVerificationDemo.java | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/src/main/java/demo/SignatureVerificationDemo.java b/src/main/java/demo/SignatureVerificationDemo.java new file mode 100644 index 0000000..498849d --- /dev/null +++ b/src/main/java/demo/SignatureVerificationDemo.java @@ -0,0 +1,115 @@ +package demo;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.util.Iterator;
+import java.util.List;
+
+import at.gv.egiz.pdfas.PdfAsFactory;
+import at.gv.egiz.pdfas.api.PdfAs;
+import at.gv.egiz.pdfas.api.analyze.AnalyzeParameters;
+import at.gv.egiz.pdfas.api.analyze.AnalyzeResult;
+import at.gv.egiz.pdfas.api.analyze.NonTextObjectInfo;
+import at.gv.egiz.pdfas.api.commons.Constants;
+import at.gv.egiz.pdfas.api.exceptions.PdfAsException;
+import at.gv.egiz.pdfas.api.io.DataSource;
+import at.gv.egiz.pdfas.api.verify.VerifyAfterAnalysisParameters;
+import at.gv.egiz.pdfas.api.verify.VerifyResult;
+import at.gv.egiz.pdfas.api.verify.VerifyResults;
+import at.gv.egiz.pdfas.commandline.Main;
+import at.gv.egiz.pdfas.framework.config.SettingsHelper;
+import at.gv.egiz.pdfas.framework.vfilter.VerificationFilterParameters;
+import at.gv.egiz.pdfas.io.FileBasedDataSource;
+
+public class SignatureVerificationDemo {
+
+ /**
+ * Starts a demo that verifies a document.
+ *
+ * @param args
+ * The parameter(s).
+ */
+ public static void main(String[] args) {
+
+ if (args == null || args.length == 0) {
+ System.err.println("Please provide path of file to be verified.");
+ System.exit(1);
+ }
+
+ File configdir = new File("./work");
+ File signedFile = new File(args[0]);
+
+ try {
+
+ // instantiate api
+ PdfAs pdfasAPI = PdfAsFactory.createPdfAs(configdir);
+
+ // set source
+ DataSource dataSource = new FileBasedDataSource(signedFile, "application/pdf");
+
+ // evaluate settings
+ VerificationFilterParameters parameters = SettingsHelper.readVerificationFilterParametersFromSettings();
+ String verifyMode = Constants.VERIFY_MODE_FULL_CONSERVATIVE;
+
+ if (parameters.extractBinarySignaturesOnly()) {
+ verifyMode = Constants.VERIFY_MODE_BINARY_ONLY;
+ } else if (parameters.assumeOnlySignatureUpdateBlocks()) {
+ verifyMode = Constants.VERIFY_MODE_SEMI_CONSERVATIVE;
+ } else {
+ verifyMode = Constants.VERIFY_MODE_FULL_CONSERVATIVE;
+ }
+
+ // configure analyze parameters
+ AnalyzeParameters analyzeParameters = new AnalyzeParameters();
+ analyzeParameters.setDocument(dataSource);
+ analyzeParameters.setVerifyMode(verifyMode);
+ analyzeParameters.setReturnNonTextualObjects(true);
+
+ // analyze
+ System.out.println("Analyzing...");
+ AnalyzeResult analyzeResult = pdfasAPI.analyze(analyzeParameters);
+ System.out.println("Successfully analyzed.");
+
+ // setup verification
+ VerifyAfterAnalysisParameters vaap = new VerifyAfterAnalysisParameters();
+ vaap.setAnalyzeResult(analyzeResult);
+ vaap.setReturnHashInputData(true);
+ vaap.setSignatureDevice(Constants.SIGNATURE_DEVICE_MOA);
+ vaap.setVerificationTime(null);
+
+ // invoke verification
+ System.out.println("Verifying...");
+ VerifyResults verifyResults = pdfasAPI.verify(vaap);
+ List verifyResultList = verifyResults.getResults();
+ System.out.println("Verification complete.");
+
+ // iterate over results
+ PrintWriter out = new PrintWriter(System.out);
+ Iterator it = verifyResultList.iterator();
+ while (it.hasNext()) {
+ VerifyResult result = (VerifyResult) it.next();
+ Main.formatVerifyResult(result, out);
+ }
+ out.flush();
+
+ // check if non textual elements have been detected
+ if (analyzeResult.hasNonTextualObjects()) {
+ System.out.println("\nWARNING: Non textual objects detected.");
+ Iterator noit = analyzeResult.getNonTextualObjects().iterator();
+ while (noit.hasNext()) {
+ NonTextObjectInfo info = (NonTextObjectInfo) noit.next();
+ System.out.println(" -> " + info.toString());
+ }
+ System.out.println();
+ }
+
+ } catch (PdfAsException e) {
+ e.printStackTrace();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+
+ }
+
+}
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