From d9df79b2e2f72415c11dde46b09d4db5d5833f81 Mon Sep 17 00:00:00 2001
From: ferbas <ferbas@7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c>
Date: Fri, 13 Nov 2009 12:48:33 +0000
Subject: baik support

git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@399 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c
---
 .../binary/BinaryVerificator_1_0_0.java            | 65 ++++++++++++++++++----
 1 file changed, 55 insertions(+), 10 deletions(-)

(limited to 'src/main/java/at')

diff --git a/src/main/java/at/gv/egiz/pdfas/impl/verificator/binary/BinaryVerificator_1_0_0.java b/src/main/java/at/gv/egiz/pdfas/impl/verificator/binary/BinaryVerificator_1_0_0.java
index 3107368..9ca2246 100644
--- a/src/main/java/at/gv/egiz/pdfas/impl/verificator/binary/BinaryVerificator_1_0_0.java
+++ b/src/main/java/at/gv/egiz/pdfas/impl/verificator/binary/BinaryVerificator_1_0_0.java
@@ -109,6 +109,12 @@ public class BinaryVerificator_1_0_0 implements Verificator
    * The /Cert key in the EGIZ Dict.
    */
   public static final byte[] EGIZ_CERT_NAME = new byte[] { 'C', 'e', 'r', 't' };
+  
+  /**
+   * The /TimeStamp key in the EGIZ Dict.
+   */
+  public static final byte[] EGIZ_TIMESTAMP_NAME = new byte[] { 'T', 'i', 'm', 'e', 'S', 't', 'a', 'm', 'p' };
+  
 
   /**
    * The logger definition.
@@ -152,7 +158,8 @@ public class BinaryVerificator_1_0_0 implements Verificator
     ArrayParseResult kz_apr = (ArrayParseResult) getRequiredValueOfKey(pdf, egiz_dict, EGIZ_KZ_NAME);
     PdfASID kz = null;
 //    String kz_string = VerificationFilter.restoreKZ(pdf, kz_apr);
-    String kz_string = VerificationFilterBinaryHelper.restoreKZ(pdf, kz_apr);
+    String kz_string = VerificationFilterBinaryHelper.restoreKZ(pdf, kz_apr);  // dferbas hack baik test
+    // TODO baik hack kz_string = "urn:pdfsigfilter:bka.gv.at:binaer:v1.0.0";
     kz = new PdfASID(kz_string);
     if (!kz_string.equals(getMyId().toString()))
     {
@@ -176,6 +183,25 @@ public class BinaryVerificator_1_0_0 implements Verificator
 
       cert = Placeholder.unescapePDFString(encoded);
     }
+    
+    //timestamp
+    ArrayParseResult timestamp_apr = (ArrayParseResult) getValueOfKey(pdf, egiz_dict, EGIZ_TIMESTAMP_NAME);
+    byte[] timestamp = null;
+    if (timestamp_apr != null) {
+       logger_.debug("found /TimeStamp in egiz dict. Extracting...");    
+       
+       if (timestamp_apr != null && !timestamp_apr.elements.isEmpty())
+       {
+         LiteralStringParseResult lspr = (LiteralStringParseResult) timestamp_apr.elements.get(0);
+         int str_length = lspr.content_end_index - lspr.content_start_index;
+         byte[] encoded = new byte[str_length];
+         System.arraycopy(pdf, lspr.content_start_index, encoded, 0, encoded.length);
+   
+         timestamp = Placeholder.unescapePDFString(encoded);
+                  
+       }
+    }
+    
 
     int num_byte_ranges = byte_ranges_apr.elements.size() / 2;
     List byte_ranges = new ArrayList();
@@ -247,6 +273,14 @@ public class BinaryVerificator_1_0_0 implements Verificator
     signature_object.initByType();
 
     signature_object.setKZ(kz);
+    
+    if (timestamp != null) {
+       String ts = new String(trimZeroBytes(timestamp));
+       signature_object.setTimeStamp(ts);
+       if (logger_.isDebugEnabled()) {
+          logger_.debug("extracted timestamp " + ts);
+       }
+    }
 
     if (cert != null)
     {
@@ -258,15 +292,7 @@ public class BinaryVerificator_1_0_0 implements Verificator
         // cf.generateCertificate(bais);
 
         // trim zero bytes. - the base 64 cert must not have zero bytes.
-        ByteArrayOutputStream baos = new ByteArrayOutputStream();
-        for (int i = 0; i < cert.length; i++)
-        {
-          if (cert[i] != 0)
-          {
-            baos.write(cert[i]);
-          }
-        }
-        byte[] b64 = baos.toByteArray();
+        byte[] b64 = trimZeroBytes(cert);
 
         signature_object.storeNewCertificateInLocalStore(b64);
       }
@@ -314,6 +340,12 @@ public class BinaryVerificator_1_0_0 implements Verificator
         signature_object.setSignationIDs(ri.value);
         continue;
       }
+      
+      if (type.equals(SignatureTypes.SIG_ALG))
+      {
+        signature_object.setSigAlg(ri.value);
+        continue;
+      }      
     }
 
     int iu_length = signed_pdf.length - start_of_whole_block;
@@ -332,6 +364,19 @@ public class BinaryVerificator_1_0_0 implements Verificator
     return holders;
   }
 
+   private byte[] trimZeroBytes(byte[] arr) {
+      ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        for (int i = 0; i < arr.length; i++)
+        {
+          if (arr[i] != 0)
+          {
+            baos.write(arr[i]);
+          }
+        }
+        byte[] b64 = baos.toByteArray();
+      return b64;
+   }
+
   /**
    * Retrieves the value of the key from the dictionary.
    * 
-- 
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