Author: robertdzeigler
Date: Mon Nov  9 17:23:10 2009
New Revision: 834151

URL: http://svn.apache.org/viewvc?rev=834151&view=rev
Log:
TAP5-815: Asset dispatcher allows any file inside the webapp visible and 
downloadable (5.2 branch)

Added:
    
tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/internal/services/AssetProtectionDispatcher.java
    
tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/internal/services/RegexAuthorizer.java
    
tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/internal/services/WhitelistAuthorizer.java
    
tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/services/AssetPathAuthorizer.java
    
tapestry/tapestry5/trunk/tapestry-core/src/test/java/org/apache/tapestry5/internal/services/AssetProtectionDispatcherTest.java
    
tapestry/tapestry5/trunk/tapestry-core/src/test/java/org/apache/tapestry5/internal/services/RegexAuthorizerTest.java
    
tapestry/tapestry5/trunk/tapestry-core/src/test/java/org/apache/tapestry5/internal/services/WhitelistAuthorizerTest.java
Modified:
    tapestry/tapestry5/trunk/src/site/apt/guide/assets.apt
    
tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/services/TapestryModule.java
    
tapestry/tapestry5/trunk/tapestry-core/src/test/java/org/apache/tapestry5/integration/app1/services/AppModule.java

Modified: tapestry/tapestry5/trunk/src/site/apt/guide/assets.apt
URL: 
http://svn.apache.org/viewvc/tapestry/tapestry5/trunk/src/site/apt/guide/assets.apt?rev=834151&r1=834150&r2=834151&view=diff
==============================================================================
--- tapestry/tapestry5/trunk/src/site/apt/guide/assets.apt (original)
+++ tapestry/tapestry5/trunk/src/site/apt/guide/assets.apt Mon Nov  9 17:23:10 
2009
@@ -138,6 +138,31 @@
   In addition, context assets will use the URL prefix 
<<</assets/ctx/>>><app-version><<</>>>.
 
 
+Securing Assets
+
+  Securing assets is an important consideration for any web application.  Many 
assets, such as hibernate configuration
+  files, sit in the classpath and are exposable via the Asset service, which 
is not desirable.  To protect these and
+  other sensitive assets, Tapestry provides the AssetProtectionDispatcher.  
This dispatcher sits in front of the
+  AssetDispatcher, the service responsible for streaming assets to the client, 
and watches for Asset requests.
+  When an asset request comes in, the protection dispatcher checks for 
authorization to view the file against a
+  contributed list of AssetPathAuthorizer implementations.  Determination of 
whether the client can view the requested
+  resource is then made based on whether any of the contributed 
AssetPathAuthorizer implementations explicitly allowed
+  or denied access to the resource.
+
+  Tapestry provides two AssetPathAuthorizer implemenations "out of the box" to 
which users may contribute: RegexAuthorizer
+  and WhitelistAuthorizer.  RegexAuthorizer uses regular expressions to 
determine assets which are viewable by the
+  client; any assets that match one of its (contributed) regular expressions 
are authorized. Anything not matched is
+  passed through to the WhitelistAuthorizer.  WhitelistAuthorizer uses an 
exact-matching whitelist.  Anything matching
+  exactly one its contributions is allowed; all other asset requests are 
denied.  The default tapestry configuration
+  contributes nothing to WhitelistAuthorizer (access will be denied to all 
asset requests passed through to it), and
+  explicitly allows access to css, jpg, jpeg, js, png, and gif files 
associated with tapestry (tapestry.js, blackbird
+  files, date picker files, etc.).  The default contribution also enables 
access to the css, jpg, jpeg, js, png, and gif
+  files provided by the popular chenille-kit 3rd party library. The default 
configuration denies access to all other
+  assets.  To enable access to your application's assets, either contribute a 
custom AssetPathAnalyzer, or contribute
+  appropriate regular expression or exact path contributions to 
RegexAuthorizer or WhitelistAuthorizer, respectively.
+  See TapestryModule.contribteRegexAuthorizer for examples.
+  
+
 Performance Notes
 
   Assets are expected to be entirely static (not changing while the 
application is deployed). When Tapestry generates a URL
@@ -146,4 +171,4 @@
   asset.
 
   In addition, Tapestry will {{{compress.html}GZIP compress}} the content of 
<all> assets (if the asset
-  is compressable, and the client supports it).
\ No newline at end of file
+  is compressable, and the client supports it).

Added: 
tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/internal/services/AssetProtectionDispatcher.java
URL: 
http://svn.apache.org/viewvc/tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/internal/services/AssetProtectionDispatcher.java?rev=834151&view=auto
==============================================================================
--- 
tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/internal/services/AssetProtectionDispatcher.java
 (added)
+++ 
tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/internal/services/AssetProtectionDispatcher.java
 Mon Nov  9 17:23:10 2009
@@ -0,0 +1,92 @@
+// Copyright 2009 The Apache Software Foundation
+//
+// Licensed 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.tapestry5.internal.services;
+
+import java.io.IOException;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.tapestry5.internal.services.RequestConstants;
+import org.apache.tapestry5.services.*;
+import org.slf4j.Logger;
+
+/**
+ * Dispatcher that handles whether to allow or deny access to particular 
+ * assets. Actual work of authorizing a particular url is handled by
+ * implementations of AssetPathAuthorizer. Configuration is an ordered
+ * list of AssetPathAuthorizers.  Each authorizer specifies an order of
+ * operations as a list (see AssetPathAuthorizer.Order).
+ *
+ */
+public class AssetProtectionDispatcher implements Dispatcher
+{
+    
+    private final Collection<AssetPathAuthorizer> authorizers;
+    private final ClasspathAssetAliasManager assetAliasManager;
+    private final Logger logger;
+    
+    public AssetProtectionDispatcher(
+            List<AssetPathAuthorizer> auths,
+            ClasspathAssetAliasManager manager,
+            Logger logger)
+    {
+        this.authorizers = Collections.unmodifiableList(auths);
+        this.assetAliasManager = manager;
+        this.logger = logger;
+    }
+
+    public boolean dispatch(Request request, Response response)
+            throws IOException
+    {
+        String path = request.getPath();
+        //we only protect assets, and don't examine any other url's.
+        if (!path.startsWith(RequestConstants.ASSET_PATH_PREFIX))
+        {
+            return false;
+        }
+        String resourcePath = assetAliasManager.toResourcePath(path);
+        for(AssetPathAuthorizer auth : authorizers)
+        {
+            for(AssetPathAuthorizer.Order o : auth.order())
+            {
+                if (o == AssetPathAuthorizer.Order.ALLOW)
+                {
+                    if (auth.accessAllowed(resourcePath))
+                    {
+                        logger.debug("Allowing access to " + resourcePath);
+                        return false;
+                    }
+                }
+                else
+                {
+                    if (auth.accessDenied(resourcePath))
+                    {
+                        logger.debug("Denying access to " + resourcePath);
+                        
response.sendError(HttpServletResponse.SC_FORBIDDEN,resourcePath);
+                        return true;
+                    }
+                }
+            }
+        }
+        //if we get here, no Authorizer had anything useful to say about the 
resourcePath.
+        //so let it fall through.
+        logger.debug("Fell through the list of authorizers. Allowing access 
to: " + resourcePath);
+        return false;
+    }
+
+}

Added: 
tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/internal/services/RegexAuthorizer.java
URL: 
http://svn.apache.org/viewvc/tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/internal/services/RegexAuthorizer.java?rev=834151&view=auto
==============================================================================
--- 
tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/internal/services/RegexAuthorizer.java
 (added)
+++ 
tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/internal/services/RegexAuthorizer.java
 Mon Nov  9 17:23:10 2009
@@ -0,0 +1,76 @@
+// Copyright 2009 The Apache Software Foundation
+//
+// Licensed 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.tapestry5.internal.services;
+
+import org.apache.tapestry5.services.AssetPathAuthorizer;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.regex.Pattern;
+
+/**
+ * Provides a regex-based authorization scheme for asset-access authorization.
+ * Note that this implementation doesn't actually deny access to anything.
+ * But it's placement within the chain of command of authorizers is just before
+ * the whitelist authorizer, which has an explicit deny policy.
+ * Hence, as long as the whitelist authorizer is being used in conjunction with
+ * the regex authorizer, there is no need to worry about accessDenied in this 
authorizer.
+ *
+ */
+public class RegexAuthorizer implements AssetPathAuthorizer
+{
+    
+    private final Collection<Pattern> _regexes;
+    
+    public RegexAuthorizer(final Collection<String> regex)
+    {
+        //an alternate way to construct this would be to make sure that each 
pattern is grouped
+        //and then to regex or the various patterns together into a single 
pattern.
+        //that might be faster, but probably not enough to make a difference, 
and this is cleaner.
+        List<Pattern> tmp = new ArrayList<Pattern>();
+        for(String exp : regex)
+        {
+            tmp.add(Pattern.compile(exp));
+        }
+        _regexes = Collections.unmodifiableCollection(tmp);
+        
+    }
+
+    public boolean accessAllowed(String resourcePath)
+    {
+        for(Pattern regex : _regexes)
+        {
+            if (regex.matcher(resourcePath).matches())
+            {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public boolean accessDenied(String resourcePath)
+    {
+        return false;
+    }
+
+    public List<Order> order() 
+    {
+        return Arrays.asList(Order.ALLOW);
+    }
+
+}

Added: 
tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/internal/services/WhitelistAuthorizer.java
URL: 
http://svn.apache.org/viewvc/tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/internal/services/WhitelistAuthorizer.java?rev=834151&view=auto
==============================================================================
--- 
tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/internal/services/WhitelistAuthorizer.java
 (added)
+++ 
tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/internal/services/WhitelistAuthorizer.java
 Mon Nov  9 17:23:10 2009
@@ -0,0 +1,59 @@
+// Copyright 2009 The Apache Software Foundation
+//
+// Licensed 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.tapestry5.internal.services;
+
+import org.apache.tapestry5.services.AssetPathAuthorizer;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+/**
+ * AssetPathAuthorizer that determines access rights based on exact matching 
to a contributed whitelist. 
+ * Any resource not explicitly specified in the whitelist is denied access.
+ */
+public class WhitelistAuthorizer implements AssetPathAuthorizer
+{
+    
+    public List<Order> order()
+    {
+        return Arrays.asList(Order.ALLOW, Order.DENY);
+    }
+
+    //hash the resource paths for fast lookups.
+    private final Map<String, Boolean> _paths;
+    
+    public WhitelistAuthorizer(Collection<String> paths)
+    {
+        _paths = new ConcurrentHashMap<String, Boolean>();
+        for(String path : paths)
+        {
+            _paths.put(path, true);
+        }
+    }
+    
+    public boolean accessAllowed(String resourcePath)
+    {
+        return (_paths.containsKey(resourcePath));
+    }
+
+    public boolean accessDenied(String resourcePath)
+    {
+        return !_paths.containsKey(resourcePath);
+    }
+
+}

Added: 
tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/services/AssetPathAuthorizer.java
URL: 
http://svn.apache.org/viewvc/tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/services/AssetPathAuthorizer.java?rev=834151&view=auto
==============================================================================
--- 
tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/services/AssetPathAuthorizer.java
 (added)
+++ 
tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/services/AssetPathAuthorizer.java
 Mon Nov  9 17:23:10 2009
@@ -0,0 +1,76 @@
+// Copyright 2009 The Apache Software Foundation
+//
+// Licensed 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.tapestry5.services;
+
+import java.util.List;
+
+/**
+ * Determines whether access to an asset is allowed, denied, or undetermined.
+ * Each contributed authorizer makes up part of a chain of command for 
determining access.
+ * Access is explicitly allowed if accessAllowed returns true.
+ * Access is explicitly denied if accessDenied returns true.
+ * Ordering depends on the order specified by the "order" parameter.
+ * Hence, an implementation which specifies an order of:
+ * ALLOW, DENY, and returns true from both accessAllowed and accessDenied
+ * will allow access for all resources. With the same return values for the
+ * access* methods but the order switched to DENY, ALLOW, access to all 
resources
+ * would be denied.  It is possible for an authorizer to have "nothing 
+ * to say" regarding a particular resource.  If accessAllowed returns false,
+ * it does not mean that access is denied, merely that it is not explicitly 
allowed.
+ * If accessDenied returns false, it does not mean that access is allowed, 
merely that
+ * it is not explicitly denied.  Hence, if both accessAllowed and accessDenied 
return false,
+ * control will pass to the next authorizer in the chain.
+ * 
+ */
+public interface AssetPathAuthorizer
+{
+    
+    /**
+     * Types of orderings, either ALLOW or DENY.
+     */
+    enum Order {ALLOW, DENY;}
+    
+    /**
+     * Specify the ordering for this authorizer.
+     * @return the operations for this authorizer. 
+     * Operations will be performed in the order returned by the iterator.
+     * It is assumed that the authorizer correctly implements each form of
+     * ordering returned. It is acceptable to only return only ALLOW or DENY.
+     */
+    List<Order> order();
+
+    /**
+     * Determines whether a request to "resourcePath" is allowed. 
+     * @param resourcePath
+     * @return true if access is explicitly allowed for the path. False 
otherwise.
+     * For example, a whitelist implementation would return true if the 
resource
+     * was listed, and false otherwise.  A blacklist implementation would 
return
+     * false regardless of whether the path was in the blacklist.
+     * Alternatively, if the blacklist specified an order of DENY, ALLOW, it 
could
+     * return true from accessAllowed if the resource was not explicitly 
listed in its
+     * blacklist.
+     */
+    boolean accessAllowed(String resourcePath);
+
+    /**
+     * 
+     * @param resourcePath
+     * @return true if access is explicitly prohibited for the path. False 
otherwise.
+     * For example, a whitelist implementation would return true if the 
resource was
+     * not explicitly listed, and false otherwise. A blacklist implementation 
would 
+     * return true if the resource was explicitly denied, and false otherwise.
+     */
+    boolean accessDenied(String resourcePath);
+}

Modified: 
tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/services/TapestryModule.java
URL: 
http://svn.apache.org/viewvc/tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/services/TapestryModule.java?rev=834151&r1=834150&r2=834151&view=diff
==============================================================================
--- 
tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/services/TapestryModule.java
 (original)
+++ 
tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/services/TapestryModule.java
 Mon Nov  9 17:23:10 2009
@@ -305,6 +305,9 @@
         binder.bind(PageRenderLinkSource.class, 
PageRenderLinkSourceImpl.class);
         binder.bind(ClientInfrastructure.class, 
ClientInfrastructureImpl.class);
         binder.bind(URLRewriter.class, URLRewriterImpl.class);
+        binder.bind(Dispatcher.class, 
AssetProtectionDispatcher.class).withId("AssetProtectionDispatcher");
+        binder.bind(AssetPathAuthorizer.class, 
WhitelistAuthorizer.class).withId("WhitelistAuthorizer");
+        binder.bind(AssetPathAuthorizer.class, 
RegexAuthorizer.class).withId("RegexAuthorizer");
     }
 
     // ========================================================================
@@ -1572,13 +1575,17 @@
      * and forwards onto {...@link PageRenderRequestHandler}</dd> 
<dt>ComponentEvent</dt> <dd>Identifies the {...@link
      * ComponentEventRequestParameters} and forwards onto the {...@link 
ComponentEventRequestHandler}</dd> </dl>
      */
-    public static void 
contributeMasterDispatcher(OrderedConfiguration<Dispatcher> configuration)
+    public static void 
contributeMasterDispatcher(OrderedConfiguration<Dispatcher> configuration,
+                                                  
@InjectService("AssetProtectionDispatcher") Dispatcher assetProt)
     {
         // Looks for the root path and renders the start page. This is 
maintained for compatibility
         // with earlier versions of Tapestry 5, it is recommended that an 
Index page be used instead.
 
         configuration.addInstance("RootPath", RootPathDispatcher.class, 
"before:Asset");
 
+        //this goes before asset to make sure that only allowed assets are 
streamed to the client.
+        configuration.add("AssetProtection", assetProt, "before:Asset");
+
         // This goes first because an asset to be streamed may have an file 
extension, such as
         // ".html", that will confuse the later dispatchers.
 
@@ -1591,6 +1598,7 @@
         configuration.addInstance("PageRender", PageRenderDispatcher.class);
     }
 
+
     /**
      * Contributes a default object renderer for type Object, plus specialized 
renderers for {...@link
      * org.apache.tapestry5.services.Request}, {...@link 
org.apache.tapestry5.ioc.Location}, {...@link
@@ -2480,4 +2488,41 @@
         };
     }
 
+    /**
+     * Contributes the default set of AssetPathAuthorizers into the 
AssetProtectionDispatcher.
+     * @param whitelist authorization based on explicit whitelisting.
+     * @param regex authorization based on pattern matching.
+     * @param conf
+     */
+    public static void contributeAssetProtectionDispatcher(
+            @InjectService("WhitelistAuthorizer") AssetPathAuthorizer 
whitelist,
+            @InjectService("RegexAuthorizer") AssetPathAuthorizer regex,
+            OrderedConfiguration<AssetPathAuthorizer> conf)
+    {
+        //putting whitelist after everything ensures that, in fact, nothing 
falls through.
+        //also ensures that whitelist gives other authorizers the chance to 
act...
+        conf.add("regex",regex,"before:whitelist");
+        conf.add("whitelist", whitelist,"after:*");
+    }
+
+    public void contributeRegexAuthorizer(Configuration<String> regex,
+                @Symbol("tapestry.scriptaculous.path") String scriptPath,
+                @Symbol("tapestry.blackbird.path") String blackbirdPath,
+                @Symbol("tapestry.datepicker.path") String datepickerPath)
+    {
+        //allow any js, jpg, jpeg, png, or css under org/chenillekit/tapstry. 
The funky bit of ([^/.]+/)* is what allows
+        //multiple paths, while not allowing any of those paths to contains ./ 
or ../ thereby preventing paths like:
+        //org/chenillekit/tapestry/../../../foo.js
+        String pathPattern = 
"([^/.]+/)*[^/.]+\\.((css)|(js)|(jpg)|(jpeg)|(png)|(gif))$";
+        regex.add("^org/chenillekit/tapestry/" + pathPattern);
+
+        regex.add("^org/apache/tapestry5/" + pathPattern);
+
+        regex.add(blackbirdPath + "/" + pathPattern);
+        regex.add(datepickerPath + "/" + pathPattern);
+        regex.add(scriptPath + "/" + pathPattern);
+        //allow access to virtual assets. Critical for tapestry-combined js 
files.
+        regex.add("virtual/" + pathPattern);
+    }
+
 }

Modified: 
tapestry/tapestry5/trunk/tapestry-core/src/test/java/org/apache/tapestry5/integration/app1/services/AppModule.java
URL: 
http://svn.apache.org/viewvc/tapestry/tapestry5/trunk/tapestry-core/src/test/java/org/apache/tapestry5/integration/app1/services/AppModule.java?rev=834151&r1=834150&r2=834151&view=diff
==============================================================================
--- 
tapestry/tapestry5/trunk/tapestry-core/src/test/java/org/apache/tapestry5/integration/app1/services/AppModule.java
 (original)
+++ 
tapestry/tapestry5/trunk/tapestry-core/src/test/java/org/apache/tapestry5/integration/app1/services/AppModule.java
 Mon Nov  9 17:23:10 2009
@@ -257,4 +257,22 @@
     {
         configuration.add("ReverseStringsWorker", new ReverseStringsWorker());
     }
+
+    public static void contributeRegexAuthorizer(Configuration<String> 
configuration) {
+        //use this rather than a blanket regex (^.*.jpg$, etc.); want to be 
sure that tests pass from the default
+        //configuration setup, (eg: this way, I realized that the "virtual" 
assets folder
+        //needed to be opened up in the tapestry-provided contributions) 
rather than from some blanket configuration in the appmodule
+        //opening up all css, js, etc. files.
+        //would contribute to whitelist except that the resource path between 
ctxt and the rest of the path can change.
+        configuration.add("^ctx/[^/]+/css/app\\.css$");
+        configuration.add("^ctx/[^/]+/layout/style\\.css$");
+        configuration.add("^ctx/[^/]+/layout/images/bg\\.gif$");
+        configuration.add("^ctx/[^/]+/layout/images/header\\.gif$");
+        configuration.add("^ctx/[^/]+/layout/images/rightsmall\\.gif$");
+        configuration.add("^ctx/[^/]+/layout/images/rightbig\\.gif$");
+        configuration.add("^ctx/[^/]+/layout/images/bottom\\.gif$");
+        configuration.add("^ctx/[^/]+/layout/images/footer\\.gif$");
+        configuration.add("^ctx/[^/]+/images/tapestry_banner\\.gif$");
+        configuration.add("^ctx/[^/]+/images/asf_logo_wide\\.gif$");
+    }
 }

Added: 
tapestry/tapestry5/trunk/tapestry-core/src/test/java/org/apache/tapestry5/internal/services/AssetProtectionDispatcherTest.java
URL: 
http://svn.apache.org/viewvc/tapestry/tapestry5/trunk/tapestry-core/src/test/java/org/apache/tapestry5/internal/services/AssetProtectionDispatcherTest.java?rev=834151&view=auto
==============================================================================
--- 
tapestry/tapestry5/trunk/tapestry-core/src/test/java/org/apache/tapestry5/internal/services/AssetProtectionDispatcherTest.java
 (added)
+++ 
tapestry/tapestry5/trunk/tapestry-core/src/test/java/org/apache/tapestry5/internal/services/AssetProtectionDispatcherTest.java
 Mon Nov  9 17:23:10 2009
@@ -0,0 +1,92 @@
+// Copyright 2009 The Apache Software Foundation
+//
+// Licensed 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.tapestry5.internal.services;
+
+import static org.easymock.EasyMock.createMock;
+import static org.easymock.EasyMock.expect;
+import static org.easymock.EasyMock.*;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.tapestry5.internal.services.RequestConstants;
+import org.apache.tapestry5.internal.services.AssetProtectionDispatcher;
+import org.apache.tapestry5.services.ClasspathAssetAliasManager;
+import org.apache.tapestry5.services.Request;
+import org.apache.tapestry5.services.Response;
+import org.apache.tapestry5.services.AssetPathAuthorizer;
+import org.testng.Assert;
+import org.testng.annotations.Test;
+import org.slf4j.Logger;
+
+public class AssetProtectionDispatcherTest extends Assert
+{
+
+    @Test
+    public void ignores_nonassets() throws IOException
+    {
+        //shouldn't need any configuration here...
+        List<AssetPathAuthorizer> auths = Collections.emptyList();
+        Logger logger = createMock(Logger.class);
+        AssetProtectionDispatcher disp = new 
AssetProtectionDispatcher(auths,null,logger);
+        Request request = createMock(Request.class);
+        expect(request.getPath()).andReturn("start");
+        Response response = createMock(Response.class);
+        replay(request,response,logger);
+        assertFalse(disp.dispatch(request, response));
+        verify(request,response,logger);
+    }
+    
+    @Test
+    public void checks_authorizers() throws IOException
+    {
+        Logger logger = createMock(Logger.class);
+        List<AssetPathAuthorizer> auths = new ArrayList<AssetPathAuthorizer>();
+        AssetPathAuthorizer auth = createMock(AssetPathAuthorizer.class);
+
+        
expect(auth.order()).andReturn(Arrays.asList(AssetPathAuthorizer.Order.ALLOW, 
AssetPathAuthorizer.Order.DENY)).times(2);
+
+        expect(auth.accessAllowed("/cayenne.xml")).andReturn(false);
+        expect(auth.accessDenied("/cayenne.xml")).andReturn(true);
+        
expect(auth.accessAllowed("/org/apache/tapestry/default.css")).andReturn(true);
+        auths.add(auth);
+
+        logger.debug("Denying access to /cayenne.xml");
+        logger.debug("Allowing access to /org/apache/tapestry/default.css");
+
+        Request request = createMock(Request.class);
+        Response response = createMock(Response.class);
+        expect(request.getPath()).andReturn(RequestConstants.ASSET_PATH_PREFIX 
+ "/cayenne.xml");
+        expect(request.getPath()).andReturn(RequestConstants.ASSET_PATH_PREFIX 
+ "/org/apache/tapestry/default.css");
+        response.sendError(HttpServletResponse.SC_FORBIDDEN, "/cayenne.xml");
+        
+        ClasspathAssetAliasManager manager = 
createMock(ClasspathAssetAliasManager.class);
+        expect(manager.toResourcePath(RequestConstants.ASSET_PATH_PREFIX + 
"/cayenne.xml")).andReturn("/cayenne.xml");
+        expect(manager.toResourcePath(
+                RequestConstants.ASSET_PATH_PREFIX + 
"/org/apache/tapestry/default.css"))
+            .andReturn("/org/apache/tapestry/default.css");
+        replay(auth,request,response,manager,logger);
+        AssetProtectionDispatcher disp = new 
AssetProtectionDispatcher(auths,manager,logger);
+        
+        assertTrue(disp.dispatch(request,response));
+        assertFalse(disp.dispatch(request, response));
+        verify(auth,request,response,logger);
+    }
+}

Added: 
tapestry/tapestry5/trunk/tapestry-core/src/test/java/org/apache/tapestry5/internal/services/RegexAuthorizerTest.java
URL: 
http://svn.apache.org/viewvc/tapestry/tapestry5/trunk/tapestry-core/src/test/java/org/apache/tapestry5/internal/services/RegexAuthorizerTest.java?rev=834151&view=auto
==============================================================================
--- 
tapestry/tapestry5/trunk/tapestry-core/src/test/java/org/apache/tapestry5/internal/services/RegexAuthorizerTest.java
 (added)
+++ 
tapestry/tapestry5/trunk/tapestry-core/src/test/java/org/apache/tapestry5/internal/services/RegexAuthorizerTest.java
 Mon Nov  9 17:23:10 2009
@@ -0,0 +1,53 @@
+// Copyright 2009 The Apache Software Foundation
+//
+// Licensed 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.tapestry5.internal.services;
+
+import java.util.Arrays;
+import java.util.List;
+
+import org.testng.Assert;
+import org.testng.annotations.Test;
+import org.apache.tapestry5.internal.services.RegexAuthorizer;
+
+public class RegexAuthorizerTest extends Assert
+{
+
+    @Test
+    public void test_regexes()
+    {
+        List<String> patterns = 
Arrays.asList("^.*\\.png$","^.*\\.jpg","^.*\\.jpeg");
+        RegexAuthorizer auth = new RegexAuthorizer(patterns);
+        String pkg = "assets/com/saiwaisolutions/resources/";
+        String png = pkg + "foo.png";
+        String jpg = pkg + "foo.jpg";
+        String jpeg = pkg + "foo.jpeg";
+        String xml = pkg + "foo.xml";
+        test(auth,png,true);
+        test(auth,jpg,true);
+        test(auth,jpeg,true);
+        test(auth,xml,false);
+    }
+    
+    private static void test(RegexAuthorizer auth, String one,boolean allowed)
+    {
+        assertEquals(auth.accessAllowed(one),allowed);
+        assertEquals(
+                auth.accessAllowed(
+                        "http://localhost:8080"; + one),
+                allowed);
+        assertFalse(auth.accessDenied(one));
+        assertFalse(auth.accessDenied("http://localhost:8080"; + one));
+    }
+}

Added: 
tapestry/tapestry5/trunk/tapestry-core/src/test/java/org/apache/tapestry5/internal/services/WhitelistAuthorizerTest.java
URL: 
http://svn.apache.org/viewvc/tapestry/tapestry5/trunk/tapestry-core/src/test/java/org/apache/tapestry5/internal/services/WhitelistAuthorizerTest.java?rev=834151&view=auto
==============================================================================
--- 
tapestry/tapestry5/trunk/tapestry-core/src/test/java/org/apache/tapestry5/internal/services/WhitelistAuthorizerTest.java
 (added)
+++ 
tapestry/tapestry5/trunk/tapestry-core/src/test/java/org/apache/tapestry5/internal/services/WhitelistAuthorizerTest.java
 Mon Nov  9 17:23:10 2009
@@ -0,0 +1,45 @@
+// Copyright 2009 The Apache Software Foundation
+//
+// Licensed 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.
+
+/*
+ * Created on Jul 28, 2007
+ * 
+ * 
+ */
+package org.apache.tapestry5.internal.services;
+
+import java.util.Arrays;
+
+import org.testng.Assert;
+import org.testng.annotations.Test;
+import org.apache.tapestry5.internal.services.WhitelistAuthorizer;
+import org.apache.tapestry5.services.AssetPathAuthorizer;
+
+public class WhitelistAuthorizerTest extends Assert {
+    
+    @Test
+    public void run()
+    {
+        WhitelistAuthorizer auth = new 
WhitelistAuthorizer(Arrays.asList("foo"));
+        assertEquals(auth.order().get(0), AssetPathAuthorizer.Order.ALLOW);
+        assertEquals(auth.order().get(1), AssetPathAuthorizer.Order.DENY);
+        assertEquals(auth.order().size(),2);
+        assertTrue(auth.accessAllowed("foo"));
+        assertFalse(auth.accessDenied("foo"));
+        
+        assertFalse(auth.accessAllowed("bar"));
+        assertTrue(auth.accessDenied("bar"));
+    }
+
+}


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