From 6025b6016517c6d898d8957d1d7e03ba71431912 Mon Sep 17 00:00:00 2001
From: tknall <tknall@7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c>
Date: Fri, 1 Dec 2006 12:20:24 +0000
Subject: Initial import of release 2.2.

git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@4 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c
---
 src/main/java/org/pdfbox/Decrypt.java | 122 ++++++++++++++++++++++++++++++++++
 1 file changed, 122 insertions(+)
 create mode 100644 src/main/java/org/pdfbox/Decrypt.java

(limited to 'src/main/java/org/pdfbox/Decrypt.java')

diff --git a/src/main/java/org/pdfbox/Decrypt.java b/src/main/java/org/pdfbox/Decrypt.java
new file mode 100644
index 0000000..b338552
--- /dev/null
+++ b/src/main/java/org/pdfbox/Decrypt.java
@@ -0,0 +1,122 @@
+/**
+ * Copyright (c) 2003-2005, www.pdfbox.org
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of pdfbox; nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * http://www.pdfbox.org
+ *
+ */
+package org.pdfbox;
+
+import java.io.IOException;
+
+import org.pdfbox.pdmodel.PDDocument;
+
+/**
+ * This will read a document from the filesystem, decrypt it and and then write
+ * the results to the filesystem. <br/><br/>
+ *
+ * usage: java org.pdfbox.Decrypt &lt;password&gt; &lt;inputfile&gt; &lt;outputfile&gt;
+ *
+ * @author  Ben Litchfield (ben@csh.rit.edu)
+ * @version $Revision: 1.3 $
+ */
+public class Decrypt
+{
+
+    /**
+     * This is the entry point for the application.
+     *
+     * @param args The command-line arguments.
+     *
+     * @throws Exception If there is an error decrypting the document.
+     */
+    public static void main( String[] args ) throws Exception
+    {
+        Decrypt decrypt = new Decrypt();
+        decrypt.decrypt( args );
+    }
+
+    private void decrypt( String[] args ) throws Exception
+    {
+        if( args.length < 2 || args.length > 3 )
+        {
+            usage();
+        }
+        else
+        {
+            String password = args[0];
+            String infile = args[1];
+            String outfile = args[1];
+            if( args.length == 3 )
+            {
+                outfile = args[2];
+            }
+            
+
+            PDDocument document = null;
+
+            try
+            {
+                document = PDDocument.load( infile );
+
+                if( document.isEncrypted() )
+                {
+                    if( document.isOwnerPassword( password ) )
+                    {
+                        document.decrypt( password );
+                        document.save( outfile );
+                    }
+                    else
+                    {
+                        throw new IOException(
+                            "Error: You are only allowed to decrypt a document with the owner password." );
+                    }
+                }
+                else
+                {
+                    System.err.println( "Error: Document is not encrypted." );
+                }
+            }
+            finally
+            {
+                if( document != null )
+                {
+                    document.close();
+                }
+            }
+        }
+    }
+
+    /**
+     * This will print a usage message.
+     */
+    private static void usage()
+    {
+        System.err.println( "usage: java org.pdfbox.Decrypt " +
+                            "<password> <inputfile> [outputfile]" );
+    }
+
+}
\ No newline at end of file
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