diff options
Diffstat (limited to 'pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas')
| -rw-r--r-- | pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/verify/pdfbox/PDFBOXVerifier.java | 56 |
1 files changed, 21 insertions, 35 deletions
diff --git a/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/verify/pdfbox/PDFBOXVerifier.java b/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/verify/pdfbox/PDFBOXVerifier.java index 4d0c3cbb..a44986f5 100644 --- a/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/verify/pdfbox/PDFBOXVerifier.java +++ b/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/verify/pdfbox/PDFBOXVerifier.java @@ -28,11 +28,10 @@ import at.gv.egiz.pdfas.lib.impl.verify.VerifyBackend; public class PDFBOXVerifier implements VerifyBackend { - private static final Logger logger = LoggerFactory - .getLogger(PDFBOXVerifier.class); + private static final Logger logger = LoggerFactory.getLogger(PDFBOXVerifier.class); + @Override - public List<VerifyResult> verify(VerifyParameter parameter) - throws PDFASError { + public List<VerifyResult> verify(VerifyParameter parameter) throws PDFASError { int signatureToVerify = parameter.getWhichSignature(); int currentSignature = 0; PDDocument doc = null; @@ -47,20 +46,17 @@ public class PDFBOXVerifier implements VerifyBackend { // No signatures ... return result; } - COSDictionary root = (COSDictionary) trailer - .getDictionaryObject(COSName.ROOT); + COSDictionary root = (COSDictionary) trailer.getDictionaryObject(COSName.ROOT); if (root == null) { // No signatures ... return result; } - COSDictionary acroForm = (COSDictionary) root - .getDictionaryObject(COSName.ACRO_FORM); + COSDictionary acroForm = (COSDictionary) root.getDictionaryObject(COSName.ACRO_FORM); if (acroForm == null) { // No signatures ... return result; } - COSArray fields = (COSArray) acroForm - .getDictionaryObject(COSName.FIELDS); + COSArray fields = (COSArray) acroForm.getDictionaryObject(COSName.FIELDS); if (fields == null) { // No signatures ... return result; @@ -75,8 +71,7 @@ public class PDFBOXVerifier implements VerifyBackend { } } - byte[] inputData = IOUtils.toByteArray(parameter.getDataSource() - .getInputStream()); + byte[] inputData = IOUtils.toByteArray(parameter.getDataSource().getInputStream()); for (int i = 0; i < fields.size(); i++) { COSDictionary field = (COSDictionary) fields.getObject(i); @@ -99,13 +94,10 @@ public class PDFBOXVerifier implements VerifyBackend { COSDictionary dict = (COSDictionary) base; logger.debug("Signer: " + dict.getNameAsString("Name")); - logger.debug("SubFilter: " - + dict.getNameAsString("SubFilter")); - logger.debug("Filter: " - + dict.getNameAsString("Filter")); + logger.debug("SubFilter: " + dict.getNameAsString("SubFilter")); + logger.debug("Filter: " + dict.getNameAsString("Filter")); logger.debug("Modified: " + dict.getNameAsString("M")); - COSArray byteRange = (COSArray) dict - .getDictionaryObject("ByteRange"); + COSArray byteRange = (COSArray) dict.getDictionaryObject("ByteRange"); StringBuilder sb = new StringBuilder(); int[] bytes = new int[byteRange.size()]; @@ -116,8 +108,7 @@ public class PDFBOXVerifier implements VerifyBackend { logger.debug("ByteRange" + sb.toString()); - COSString content = (COSString) dict - .getDictionaryObject("Contents"); + COSString content = (COSString) dict.getDictionaryObject("Contents"); ByteArrayOutputStream contentData = new ByteArrayOutputStream(); for (int j = 0; j < bytes.length; j = j + 2) { @@ -128,23 +119,18 @@ public class PDFBOXVerifier implements VerifyBackend { } contentData.close(); - IVerifyFilter verifyFilter = verifier.getVerifier( - dict.getNameAsString("Filter"), + IVerifyFilter verifyFilter = verifier.getVerifier(dict.getNameAsString("Filter"), dict.getNameAsString("SubFilter")); - IVerifier lvlVerifier = verifier - .getVerifierByLevel(parameter - .getSignatureVerificationLevel()); - lvlVerifier.setConfiguration(parameter - .getConfiguration()); - if (verifyFilter != null) { - List<VerifyResult> results = verifyFilter.verify( - contentData.toByteArray(), - content.getBytes(), - parameter.getVerificationTime(), bytes, - lvlVerifier); - if (results != null && !results.isEmpty()) { - result.addAll(results); + IVerifier lvlVerifier = verifier.getVerifierByLevel(parameter.getSignatureVerificationLevel()); + synchronized (lvlVerifier) { + lvlVerifier.setConfiguration(parameter.getConfiguration()); + if (verifyFilter != null) { + List<VerifyResult> results = verifyFilter.verify(contentData.toByteArray(), + content.getBytes(), parameter.getVerificationTime(), bytes, lvlVerifier); + if (results != null && !results.isEmpty()) { + result.addAll(results); + } } } } |