Implementations for pdf-as-web and pdf-as-legacy

5 files changed, 137 insertions, 54 deletions

diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/PdfAsFactory.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/PdfAsFactory.java
index b73cc9af..284573e0 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/PdfAsFactory.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/PdfAsFactory.java
@@ -10,6 +10,10 @@ import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.net.URL;
+import java.util.Enumeration;
+import java.util.jar.Attributes;
+import java.util.jar.Manifest;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipInputStream;
 
@@ -30,9 +34,20 @@ public class PdfAsFactory {
 
 	private static final String DEFAULT_CONFIG_RES = "config/config.zip";
 
+	private static final String MAN_ATTRIBUTE = "JARMANIFEST";
+	private static final String PDF_AS_LIB = "PDF-AS-LIB";
+	private static final String IMPL_VERSION = "Implementation-Version";
+	
+
 	static {
-		/*PropertyConfigurator.configure(ClassLoader
-				.getSystemResourceAsStream("resources/log4j.properties"));*/
+		System.out.println("+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++");
+		System.out.println("+ PDF-AS: " + getVersion());
+		System.out.println("+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++");
+		
+		/*
+		 * PropertyConfigurator.configure(ClassLoader
+		 * .getSystemResourceAsStream("resources/log4j.properties"));
+		 */
 		IAIK.addAsProvider();
 		ECCelerate.addAsProvider();
 	}
@@ -53,10 +68,12 @@ public class PdfAsFactory {
 					File log4j = new File(configuration.getAbsolutePath()
 							+ File.separator + "cfg" + File.separator
 							+ "log4j.properties");
-					logger.info("Loading log4j configuration: " + log4j.getAbsolutePath());
+					logger.info("Loading log4j configuration: "
+							+ log4j.getAbsolutePath());
 					if (log4j.exists()) {
 						try {
-							System.setProperty("pdf-as.work-dir", configuration.getAbsolutePath());
+							System.setProperty("pdf-as.work-dir",
+									configuration.getAbsolutePath());
 							PropertyConfigurator.configure(new FileInputStream(
 									log4j));
 						} catch (FileNotFoundException e) {
@@ -87,9 +104,9 @@ public class PdfAsFactory {
 	/**
 	 * Deploy default configuration to targetDirectory
 	 * 
-	 * The targetDirectory will be deleted and 
+	 * The targetDirectory will be deleted and
 	 * 
-	 * @param targetDirectory 
+	 * @param targetDirectory
 	 * @throws Exception
 	 */
 	public static void deployDefaultConfiguration(File targetDirectory)
@@ -157,4 +174,35 @@ public class PdfAsFactory {
 			}
 		}
 	}
+
+	public static String getVersion() {
+		Package pack = PdfAsFactory.class.getPackage();
+		return pack.getImplementationVersion();
+		/*
+		try {
+			
+			
+			Enumeration<URL> resources = PdfAsFactory.class.getClassLoader()
+					.getResources("META-INF/MANIFEST.MF");
+			while (resources.hasMoreElements()) {
+				Manifest manifest = new Manifest(resources.nextElement()
+						.openStream());
+				Attributes attributes = manifest.getAttributes(MAN_ATTRIBUTE);
+				if (attributes != null) {
+					if(attributes.isEmpty()) {
+						String value = attributes.getValue(new Attributes.Name(MAN_ATTRIBUTE));
+						if(value != null && value.equals(PDF_AS_LIB)) {
+							// Got my manifest
+							return manifest.getAttributes(IMPL_VERSION).getValue(IMPL_VERSION);
+						}
+					}
+				}
+			}
+		} catch (Throwable e) {
+			e.printStackTrace();
+			logger.error("Failed to read Version!");
+			return "0.0.0";
+		}
+		return "0.0.0";*/
+	}
 }
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/verify/VerifyParameter.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/verify/VerifyParameter.java
index d319e373..da777343 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/verify/VerifyParameter.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/verify/VerifyParameter.java
@@ -1,5 +1,7 @@
 package at.gv.egiz.pdfas.lib.api.verify;
 
+import java.util.Date;
+
 import at.gv.egiz.pdfas.lib.api.PdfAsParameter;
 
 public interface VerifyParameter extends PdfAsParameter {
@@ -7,4 +9,8 @@ public interface VerifyParameter extends PdfAsParameter {
 	public int getWhichSignature();
 	
 	public void setWhichSignature(int which);
+	
+	public Date getVerificationTime();
+	
+	public void setVerificationTime(Date verificationTime);
 }
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/PdfAsImpl.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/PdfAsImpl.java
index e9332bc2..04b385f7 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/PdfAsImpl.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/PdfAsImpl.java
@@ -76,26 +76,27 @@ public class PdfAsImpl implements PdfAs, IConfigurationConstants {
 		if (!(parameter.getConfiguration() instanceof ISettings)) {
 			throw new PdfAsSettingsException("Invalid settings object!");
 		}
-		
+
 		ISettings settings = (ISettings) parameter.getConfiguration();
-		
+
 		String signatureProfile = parameter.getSignatureProfileId();
-		if(signatureProfile != null) {
-			if(!settings.hasPrefix("sig_obj." + signatureProfile + ".key")) {
-				throw new PdfAsValidationException("error.pdf.sig.09", signatureProfile);
+		if (signatureProfile != null) {
+			if (!settings.hasPrefix("sig_obj." + signatureProfile + ".key")) {
+				throw new PdfAsValidationException("error.pdf.sig.09",
+						signatureProfile);
 			}
 		}
-		
+
 		// TODO: verify Sign Parameter
 	}
-	
+
 	private void verifyVerifyParameter(VerifyParameter parameter)
 			throws PdfAsException {
 		// Status initialization
 		if (!(parameter.getConfiguration() instanceof ISettings)) {
 			throw new PdfAsSettingsException("Invalid settings object!");
 		}
-		
+
 		// TODO: verify Verify Parameter
 	}
 
@@ -170,9 +171,11 @@ public class PdfAsImpl implements PdfAs, IConfigurationConstants {
 
 	public List<VerifyResult> verify(VerifyParameter parameter)
 			throws PdfAsException {
-		
+
 		verifyVerifyParameter(parameter);
-		
+
+		int signatureToVerify = parameter.getWhichSignature();
+		int currentSignature = 0;
 		PDDocument doc = null;
 		try {
 			List<VerifyResult> result = new ArrayList<VerifyResult>();
@@ -192,50 +195,63 @@ public class PdfAsImpl implements PdfAs, IConfigurationConstants {
 				COSDictionary field = (COSDictionary) fields.getObject(i);
 				String type = field.getNameAsString("FT");
 				if ("Sig".equals(type)) {
-					logger.trace("Found Signature: ");
-					COSBase base = field.getDictionaryObject("V");
-					COSDictionary dict = (COSDictionary) base;
-
-					logger.debug("Signer: " + dict.getNameAsString("Name"));
-					logger.debug("SubFilter: "
-							+ dict.getNameAsString("SubFilter"));
-					logger.debug("Filter: " + dict.getNameAsString("Filter"));
-					logger.debug("Modified: " + dict.getNameAsString("M"));
-					COSArray byteRange = (COSArray) dict
-							.getDictionaryObject("ByteRange");
-
-					StringBuilder sb = new StringBuilder();
-					int[] bytes = new int[byteRange.size()];
-					for (int j = 0; j < byteRange.size(); j++) {
-						bytes[j] = byteRange.getInt(j);
-						sb.append(" " + bytes[j]);
-					}
+					boolean verifyThis = true;
 
-					logger.debug("ByteRange" + sb.toString());
+					if (signatureToVerify >= 0) {
+						// verify only specific siganture!
+						verifyThis = signatureToVerify == currentSignature;
+					}
 
-					COSString content = (COSString) dict
-							.getDictionaryObject("Contents");
+					if (verifyThis) {
+						logger.trace("Found Signature: ");
+						COSBase base = field.getDictionaryObject("V");
+						COSDictionary dict = (COSDictionary) base;
+
+						logger.debug("Signer: " + dict.getNameAsString("Name"));
+						logger.debug("SubFilter: "
+								+ dict.getNameAsString("SubFilter"));
+						logger.debug("Filter: "
+								+ dict.getNameAsString("Filter"));
+						logger.debug("Modified: " + dict.getNameAsString("M"));
+						COSArray byteRange = (COSArray) dict
+								.getDictionaryObject("ByteRange");
+
+						StringBuilder sb = new StringBuilder();
+						int[] bytes = new int[byteRange.size()];
+						for (int j = 0; j < byteRange.size(); j++) {
+							bytes[j] = byteRange.getInt(j);
+							sb.append(" " + bytes[j]);
+						}
 
-					ByteArrayOutputStream contentData = new ByteArrayOutputStream();
-					for (int j = 0; j < bytes.length; j = j + 2) {
-						int offset = bytes[j];
-						int length = bytes[j + 1];
-						contentData.write(parameter.getDataSource()
-								.getByteData(), offset, length);
-					}
-					contentData.close();
+						logger.debug("ByteRange" + sb.toString());
 
-					IVerifyFilter verifyFilter = verifier.getVerifier(
-							dict.getNameAsString("Filter"),
-							dict.getNameAsString("SubFilter"));
+						COSString content = (COSString) dict
+								.getDictionaryObject("Contents");
 
-					if (verifyFilter != null) {
-						List<VerifyResult> results = verifyFilter.verify(
-								contentData.toByteArray(), content.getBytes());
-						if (results != null && !results.isEmpty()) {
-							result.addAll(results);
+						ByteArrayOutputStream contentData = new ByteArrayOutputStream();
+						for (int j = 0; j < bytes.length; j = j + 2) {
+							int offset = bytes[j];
+							int length = bytes[j + 1];
+							contentData.write(parameter.getDataSource()
+									.getByteData(), offset, length);
+						}
+						contentData.close();
+
+						IVerifyFilter verifyFilter = verifier.getVerifier(
+								dict.getNameAsString("Filter"),
+								dict.getNameAsString("SubFilter"));
+
+						if (verifyFilter != null) {
+							List<VerifyResult> results = verifyFilter.verify(
+									contentData.toByteArray(),
+									content.getBytes(), 
+									parameter.getVerificationTime());
+							if (results != null && !results.isEmpty()) {
+								result.addAll(results);
+							}
 						}
 					}
+					currentSignature++;
 				}
 			}
 			return result;
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/VerifyParameterImpl.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/VerifyParameterImpl.java
index 3b264938..d754c032 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/VerifyParameterImpl.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/VerifyParameterImpl.java
@@ -1,5 +1,7 @@
 package at.gv.egiz.pdfas.lib.impl;
 
+import java.util.Date;
+
 import at.gv.egiz.pdfas.lib.api.Configuration;
 import at.gv.egiz.pdfas.lib.api.DataSource;
 import at.gv.egiz.pdfas.lib.api.verify.VerifyParameter;
@@ -8,6 +10,8 @@ public class VerifyParameterImpl extends PdfAsParameterImpl implements VerifyPar
 	
 	protected int which = - 1;
 	
+	protected Date verificationTime = null;
+	
 	public VerifyParameterImpl(Configuration configuration,
 			DataSource dataSource) {
 		super(configuration, dataSource);
@@ -20,4 +24,12 @@ public class VerifyParameterImpl extends PdfAsParameterImpl implements VerifyPar
 	public void setWhichSignature(int which) {
 		this.which = which;
 	}
+
+	public Date getVerificationTime() {
+		return verificationTime;
+	}
+
+	public void setVerificationTime(Date verificationTime) {
+		this.verificationTime = verificationTime;
+	}
 }
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/verify/IVerifyFilter.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/verify/IVerifyFilter.java
index 53c2e342..e83b6132 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/verify/IVerifyFilter.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/verify/IVerifyFilter.java
@@ -1,5 +1,6 @@
 package at.gv.egiz.pdfas.lib.impl.verify;
 
+import java.util.Date;
 import java.util.List;
 
 import at.gv.egiz.pdfas.common.exceptions.PdfAsException;
@@ -8,6 +9,6 @@ import at.gv.egiz.pdfas.lib.api.verify.VerifyResult;
 
 public interface IVerifyFilter {
 	public void setConfiguration(Configuration config);
-	public List<VerifyResult> verify(byte[] contentData, byte[] signatureContent) throws PdfAsException;
+	public List<VerifyResult> verify(byte[] contentData, byte[] signatureContent, Date verificationTime) throws PdfAsException;
 	public List<FilterEntry> getFiters();
 }