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From bdelacre...@apache.org
Subject svn commit: r1126545 - in /sling/trunk: bundles/api/src/main/java/org/apache/sling/api/servlets/ launchpad/integration-tests/src/main/java/org/apache/sling/launchpad/webapp/integrationtest/issues/ launchpad/test-services/src/main/java/org/apache/sling/...
Date Mon, 23 May 2011 15:44:36 GMT
Author: bdelacretaz
Date: Mon May 23 15:44:36 2011
New Revision: 1126545

URL: http://svn.apache.org/viewvc?rev=1126545&view=rev
Log:
SLING-2082 - escape html characters in HtmlResponse output, with tests

Added:
    sling/trunk/launchpad/test-services/src/main/java/org/apache/sling/launchpad/testservices/servlets/HtmlResponseServlet.java
  (with props)
Modified:
    sling/trunk/bundles/api/src/main/java/org/apache/sling/api/servlets/HtmlResponse.java
    sling/trunk/launchpad/integration-tests/src/main/java/org/apache/sling/launchpad/webapp/integrationtest/issues/SLING2082Test.java

Modified: sling/trunk/bundles/api/src/main/java/org/apache/sling/api/servlets/HtmlResponse.java
URL: http://svn.apache.org/viewvc/sling/trunk/bundles/api/src/main/java/org/apache/sling/api/servlets/HtmlResponse.java?rev=1126545&r1=1126544&r2=1126545&view=diff
==============================================================================
--- sling/trunk/bundles/api/src/main/java/org/apache/sling/api/servlets/HtmlResponse.java
(original)
+++ sling/trunk/bundles/api/src/main/java/org/apache/sling/api/servlets/HtmlResponse.java
Mon May 23 15:44:36 2011
@@ -476,7 +476,7 @@ public class HtmlResponse {
                         state = 0;
                         Object prop = properties.get(varBuffer.toString());
                         if (prop != null) {
-                            out.write(prop.toString());
+                            out.write(htmlEscape(prop.toString()));
                         }
                         varBuffer.setLength(0);
                     } else {
@@ -487,5 +487,25 @@ public class HtmlResponse {
         in.close();
         out.flush();
     }
+    
+    static String htmlEscape(String str) {
+        if(str == null) {
+            return null;
+        }
+        final StringBuilder out = new StringBuilder();
+        for(int i=0; i < str.length(); i++) {
+            final char c = str.charAt(i);
+            if(c == '<') {
+                out.append("&lt;");
+            } else if (c == '>') {
+                out.append("&gt;");
+            } else if(c == '&') {
+                out.append("&amp;");
+            } else {
+                out.append(c);
+            }
+        }
+        return out.toString();
+    }
 
 }
\ No newline at end of file

Modified: sling/trunk/launchpad/integration-tests/src/main/java/org/apache/sling/launchpad/webapp/integrationtest/issues/SLING2082Test.java
URL: http://svn.apache.org/viewvc/sling/trunk/launchpad/integration-tests/src/main/java/org/apache/sling/launchpad/webapp/integrationtest/issues/SLING2082Test.java?rev=1126545&r1=1126544&r2=1126545&view=diff
==============================================================================
--- sling/trunk/launchpad/integration-tests/src/main/java/org/apache/sling/launchpad/webapp/integrationtest/issues/SLING2082Test.java
(original)
+++ sling/trunk/launchpad/integration-tests/src/main/java/org/apache/sling/launchpad/webapp/integrationtest/issues/SLING2082Test.java
Mon May 23 15:44:36 2011
@@ -18,19 +18,33 @@
  */
 package org.apache.sling.launchpad.webapp.integrationtest.issues;
 
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.commons.httpclient.HttpMethodBase;
+import org.apache.commons.httpclient.methods.GetMethod;
 import org.apache.commons.httpclient.methods.PostMethod;
 import org.apache.sling.commons.testing.integration.HttpTestBase;
 
 public class SLING2082Test extends HttpTestBase {
     
-    public void testPOST() throws Exception {
-        final String url = HTTP_BASE_URL + "/" + getClass().getSimpleName() + "/" + Math.random()
+ ".html/%22%3e%3cscript%3ealert(29679)%3c/script%3e";
-        final PostMethod post = new PostMethod(url);
-        post.setFollowRedirects(false);
-        final int status = httpClient.executeMethod(post);
-        assertEquals(201, status);
-        final String content = getResponseBodyAsStream(post, 0);
+    private void runTest(HttpMethodBase m, int expectedStatus) throws Exception {
+        m.setFollowRedirects(false);
+        final int status = httpClient.executeMethod(m);
+        assertEquals(expectedStatus, status);
+        final String content = getResponseBodyAsStream(m, 0);
         final String scriptTag = "<script>";
         assertFalse("Content should not contain '" + scriptTag + "'", content.contains(scriptTag));
     }
+    
+    public void testPOST() throws Exception {
+        final String path = "/" + getClass().getSimpleName() + "/" + Math.random() + ".html/%22%3e%3cscript%3ealert(29679)%3c/script%3e";
+        final PostMethod post = new PostMethod(HTTP_BASE_URL + path);
+        runTest(post, HttpServletResponse.SC_CREATED);
+    }
+    
+    public void testOptingServletPost() throws Exception {
+        final String path = "/testing/HtmlResponseServlet";
+        final GetMethod post = new GetMethod(HTTP_BASE_URL + path);
+        runTest(post, HttpServletResponse.SC_GATEWAY_TIMEOUT);
+    }
 }

Added: sling/trunk/launchpad/test-services/src/main/java/org/apache/sling/launchpad/testservices/servlets/HtmlResponseServlet.java
URL: http://svn.apache.org/viewvc/sling/trunk/launchpad/test-services/src/main/java/org/apache/sling/launchpad/testservices/servlets/HtmlResponseServlet.java?rev=1126545&view=auto
==============================================================================
--- sling/trunk/launchpad/test-services/src/main/java/org/apache/sling/launchpad/testservices/servlets/HtmlResponseServlet.java
(added)
+++ sling/trunk/launchpad/test-services/src/main/java/org/apache/sling/launchpad/testservices/servlets/HtmlResponseServlet.java
Mon May 23 15:44:36 2011
@@ -0,0 +1,57 @@
+/*
+ * 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.sling.launchpad.testservices.servlets;
+
+import java.io.IOException;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Properties;
+import org.apache.felix.scr.annotations.Property;
+import org.apache.felix.scr.annotations.Service;
+import org.apache.sling.api.SlingHttpServletRequest;
+import org.apache.sling.api.SlingHttpServletResponse;
+import org.apache.sling.api.servlets.HtmlResponse;
+import org.apache.sling.api.servlets.SlingSafeMethodsServlet;
+
+/** Servlet used to test HtmlResponse escaping */
+@Component(immediate=true, metatype=false)
+@Service(value=javax.servlet.Servlet.class)
+@Properties({
+    @Property(name="service.description", value="Paths Test Servlet"),
+    @Property(name="service.vendor", value="The Apache Software Foundation"),
+    @Property(name="sling.servlet.paths", value={
+            "/testing/HtmlResponseServlet" 
+    })
+})
+@SuppressWarnings("serial")
+public class HtmlResponseServlet extends SlingSafeMethodsServlet {
+
+    @Override
+    protected void doGet(SlingHttpServletRequest request, SlingHttpServletResponse response)

+    throws ServletException,IOException {
+        final HtmlResponse hr = new HtmlResponse();
+        // Specific status to help recognize this servlet in tests
+        final int status = HttpServletResponse.SC_GATEWAY_TIMEOUT;
+        hr.setStatus(status, getClass().getName() + ": GET always fails with status " + status);
+        hr.setLocation("Location: some <script>");
+        hr.setTitle(getClass().getName() + ": fake response to test <escaping>");
+        hr.send(response, true);
+    }
+}

Propchange: sling/trunk/launchpad/test-services/src/main/java/org/apache/sling/launchpad/testservices/servlets/HtmlResponseServlet.java
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    svn:eol-style = native

Propchange: sling/trunk/launchpad/test-services/src/main/java/org/apache/sling/launchpad/testservices/servlets/HtmlResponseServlet.java
------------------------------------------------------------------------------
    svn:keywords = Author Date Id Revision Rev URL



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