Author: ivaynberg
Date: Fri Aug  8 15:12:53 2008
New Revision: 684127

URL: http://svn.apache.org/viewvc?rev=684127&view=rev
Log:
WICKET-1782: CSRF safe encryption

Added:
    
wicket/branches/wicket-1.3.x/jdk-1.4/wicket/src/main/java/org/apache/wicket/util/crypt/KeyInSessionSunJceCryptFactory.java
   (with props)
Modified:
    
wicket/branches/wicket-1.3.x/jdk-1.4/wicket/src/main/java/org/apache/wicket/settings/Settings.java

Modified: 
wicket/branches/wicket-1.3.x/jdk-1.4/wicket/src/main/java/org/apache/wicket/settings/Settings.java
URL: 
http://svn.apache.org/viewvc/wicket/branches/wicket-1.3.x/jdk-1.4/wicket/src/main/java/org/apache/wicket/settings/Settings.java?rev=684127&r1=684126&r2=684127&view=diff
==============================================================================
--- 
wicket/branches/wicket-1.3.x/jdk-1.4/wicket/src/main/java/org/apache/wicket/settings/Settings.java
 (original)
+++ 
wicket/branches/wicket-1.3.x/jdk-1.4/wicket/src/main/java/org/apache/wicket/settings/Settings.java
 Fri Aug  8 15:12:53 2008
@@ -52,8 +52,8 @@
 import org.apache.wicket.session.DefaultPageFactory;
 import org.apache.wicket.session.pagemap.IPageMapEvictionStrategy;
 import org.apache.wicket.session.pagemap.LeastRecentlyAccessedEvictionStrategy;
-import org.apache.wicket.util.crypt.CachingSunJceCryptFactory;
 import org.apache.wicket.util.crypt.ICryptFactory;
+import org.apache.wicket.util.crypt.KeyInSessionSunJceCryptFactory;
 import org.apache.wicket.util.file.IResourceFinder;
 import org.apache.wicket.util.file.IResourcePath;
 import org.apache.wicket.util.file.Path;
@@ -310,12 +310,12 @@
 
        private boolean addLastModifiedTimeToResourceReferenceUrl = false;
 
-  /**
-   * escape string for '..' within resource keys
-   */
-  private CharSequence parentFolderPlaceholder = "$up$";
+       /**
+        * escape string for '..' within resource keys
+        */
+       private CharSequence parentFolderPlaceholder = "$up$";
 
-  /**
+       /**
         * Create the application settings, carrying out any necessary 
initializations.
         * 
         * @param application
@@ -480,7 +480,7 @@
        {
                if (cryptFactory == null)
                {
-                       cryptFactory = new 
CachingSunJceCryptFactory(ISecuritySettings.DEFAULT_ENCRYPTION_KEY);
+                       cryptFactory = new KeyInSessionSunJceCryptFactory();
                }
                return cryptFactory;
        }
@@ -1360,20 +1360,20 @@
                throwExceptionOnMissingXmlDeclaration = throwException;
        }
 
-  /**
-   * @see 
org.apache.wicket.settings.IResourceSettings#getParentFolderPlaceholder()
-   */
-  public CharSequence getParentFolderPlaceholder()
-  {
-    return parentFolderPlaceholder;
-  }
-
-  /**
-   * @see 
org.apache.wicket.settings.IResourceSettings#setParentFolderPlaceholder(CharSequence)
-   */
-  public void setParentFolderPlaceholder(final CharSequence sequence)
-  {
-    parentFolderPlaceholder = sequence;
-  }
+       /**
+        * @see 
org.apache.wicket.settings.IResourceSettings#getParentFolderPlaceholder()
+        */
+       public CharSequence getParentFolderPlaceholder()
+       {
+               return parentFolderPlaceholder;
+       }
+
+       /**
+        * @see 
org.apache.wicket.settings.IResourceSettings#setParentFolderPlaceholder(CharSequence)
+        */
+       public void setParentFolderPlaceholder(final CharSequence sequence)
+       {
+               parentFolderPlaceholder = sequence;
+       }
 
 }

Added: 
wicket/branches/wicket-1.3.x/jdk-1.4/wicket/src/main/java/org/apache/wicket/util/crypt/KeyInSessionSunJceCryptFactory.java
URL: 
http://svn.apache.org/viewvc/wicket/branches/wicket-1.3.x/jdk-1.4/wicket/src/main/java/org/apache/wicket/util/crypt/KeyInSessionSunJceCryptFactory.java?rev=684127&view=auto
==============================================================================
--- 
wicket/branches/wicket-1.3.x/jdk-1.4/wicket/src/main/java/org/apache/wicket/util/crypt/KeyInSessionSunJceCryptFactory.java
 (added)
+++ 
wicket/branches/wicket-1.3.x/jdk-1.4/wicket/src/main/java/org/apache/wicket/util/crypt/KeyInSessionSunJceCryptFactory.java
 Fri Aug  8 15:12:53 2008
@@ -0,0 +1,59 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.wicket.util.crypt;
+
+import java.util.UUID;
+
+import javax.servlet.http.HttpSession;
+
+import org.apache.wicket.RequestCycle;
+import org.apache.wicket.protocol.http.WebRequestCycle;
+
+/**
+ * Crypt factory that produces [EMAIL PROTECTED] SunJceCrypt} instances based 
on http session-specific
+ * encryption key. This allows each user to have their own encryption key, 
hardening against CSRF
+ * attacks.
+ * 
+ * Note that the use of this crypt factory will result in an immediate 
creation of a http session
+ * 
+ * @author igor.vaynberg
+ */
+public class KeyInSessionSunJceCryptFactory implements ICryptFactory
+{
+       public ICrypt newCrypt()
+       {
+               WebRequestCycle rc = (WebRequestCycle)RequestCycle.get();
+
+               // get http session, create if necessary
+               HttpSession session = 
rc.getWebRequest().getHttpServletRequest().getSession(true);
+
+               // retrieve or generate encryption key from session
+               final String keyAttr = rc.getApplication().getApplicationKey() 
+ "." + getClass().getName();
+               String key = (String)session.getAttribute(keyAttr);
+               if (key == null)
+               {
+                       // generate new key
+                       key = session.getId() + "." + 
UUID.randomUUID().toString();
+                       session.setAttribute(keyAttr, key);
+               }
+
+               // build the crypt based on session key
+               ICrypt crypt = new SunJceCrypt();
+               crypt.setKey(key);
+               return crypt;
+       }
+}

Propchange: 
wicket/branches/wicket-1.3.x/jdk-1.4/wicket/src/main/java/org/apache/wicket/util/crypt/KeyInSessionSunJceCryptFactory.java
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    svn:mime-type = text/plain


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