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-rw-r--r--pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/verify/pdfbox/PDFBOXVerifier.java56
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);
+ }
}
}
}