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Posted to commits@chemistry.apache.org by fm...@apache.org on 2012/02/08 21:31:30 UTC

svn commit: r1242078 - in /chemistry/opencmis/trunk/chemistry-opencmis-server/chemistry-opencmis-server-bindings/src/main: java/org/apache/chemistry/opencmis/server/impl/atompub/ webapp/WEB-INF/

Author: fmui
Date: Wed Feb  8 20:31:30 2012
New Revision: 1242078

URL: http://svn.apache.org/viewvc?rev=1242078&view=rev
Log:
CMIS-500: support for X-Forwarded-Host and X-Forwarded-Proto headers

Added:
    chemistry/opencmis/trunk/chemistry-opencmis-server/chemistry-opencmis-server-bindings/src/main/java/org/apache/chemistry/opencmis/server/impl/atompub/ProxyHttpServletRequestWrapper.java   (with props)
Modified:
    chemistry/opencmis/trunk/chemistry-opencmis-server/chemistry-opencmis-server-bindings/src/main/java/org/apache/chemistry/opencmis/server/impl/atompub/CmisAtomPubServlet.java
    chemistry/opencmis/trunk/chemistry-opencmis-server/chemistry-opencmis-server-bindings/src/main/webapp/WEB-INF/web.xml

Modified: chemistry/opencmis/trunk/chemistry-opencmis-server/chemistry-opencmis-server-bindings/src/main/java/org/apache/chemistry/opencmis/server/impl/atompub/CmisAtomPubServlet.java
URL: http://svn.apache.org/viewvc/chemistry/opencmis/trunk/chemistry-opencmis-server/chemistry-opencmis-server-bindings/src/main/java/org/apache/chemistry/opencmis/server/impl/atompub/CmisAtomPubServlet.java?rev=1242078&r1=1242077&r2=1242078&view=diff
==============================================================================
--- chemistry/opencmis/trunk/chemistry-opencmis-server/chemistry-opencmis-server-bindings/src/main/java/org/apache/chemistry/opencmis/server/impl/atompub/CmisAtomPubServlet.java (original)
+++ chemistry/opencmis/trunk/chemistry-opencmis-server/chemistry-opencmis-server-bindings/src/main/java/org/apache/chemistry/opencmis/server/impl/atompub/CmisAtomPubServlet.java Wed Feb  8 20:31:30 2012
@@ -45,6 +45,7 @@ import static org.apache.chemistry.openc
 
 import java.io.IOException;
 import java.io.PrintWriter;
+import java.util.regex.Pattern;
 
 import javax.servlet.ServletConfig;
 import javax.servlet.ServletException;
@@ -85,6 +86,7 @@ import org.apache.commons.logging.LogFac
 public class CmisAtomPubServlet extends HttpServlet {
 
     public static final String PARAM_CALL_CONTEXT_HANDLER = "callContextHandler";
+    public static final String PARAM_TRUSTED_PROXIES = "trustedProxies";
 
     private static final Log LOG = LogFactory.getLog(CmisAtomPubServlet.class.getName());
 
@@ -92,6 +94,7 @@ public class CmisAtomPubServlet extends 
 
     private Dispatcher dispatcher;
     private CallContextHandler callContextHandler;
+    private Pattern trustedProxies;
 
     @Override
     public void init(ServletConfig config) throws ServletException {
@@ -108,6 +111,17 @@ public class CmisAtomPubServlet extends 
             }
         }
 
+        // initialize trusted proxy pattern 
+        trustedProxies = null;
+        String trustedProxiesString = config.getInitParameter(PARAM_TRUSTED_PROXIES);
+        if (trustedProxiesString != null) {
+            try {
+                trustedProxies = Pattern.compile(trustedProxiesString);
+            } catch (Exception e) {
+                throw new ServletException("Could not compile trustedProxies parameter: " + e, e);
+            }
+        }
+
         // initialize the dispatcher
         dispatcher = new Dispatcher();
 
@@ -155,6 +169,11 @@ public class CmisAtomPubServlet extends 
     protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException,
             IOException {
 
+        // check for trusted proxy
+        if (trustedProxies != null && trustedProxies.matcher(request.getRemoteAddr()).matches()) {
+            request = new ProxyHttpServletRequestWrapper(request);
+        }
+
         // set default headers
         response.addHeader("Cache-Control", "private, max-age=0");
         response.addHeader("Server", ServerVersion.OPENCMIS_SERVER);

Added: chemistry/opencmis/trunk/chemistry-opencmis-server/chemistry-opencmis-server-bindings/src/main/java/org/apache/chemistry/opencmis/server/impl/atompub/ProxyHttpServletRequestWrapper.java
URL: http://svn.apache.org/viewvc/chemistry/opencmis/trunk/chemistry-opencmis-server/chemistry-opencmis-server-bindings/src/main/java/org/apache/chemistry/opencmis/server/impl/atompub/ProxyHttpServletRequestWrapper.java?rev=1242078&view=auto
==============================================================================
--- chemistry/opencmis/trunk/chemistry-opencmis-server/chemistry-opencmis-server-bindings/src/main/java/org/apache/chemistry/opencmis/server/impl/atompub/ProxyHttpServletRequestWrapper.java (added)
+++ chemistry/opencmis/trunk/chemistry-opencmis-server/chemistry-opencmis-server-bindings/src/main/java/org/apache/chemistry/opencmis/server/impl/atompub/ProxyHttpServletRequestWrapper.java Wed Feb  8 20:31:30 2012
@@ -0,0 +1,76 @@
+/*
+ * 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.chemistry.opencmis.server.impl.atompub;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletRequestWrapper;
+
+public class ProxyHttpServletRequestWrapper extends HttpServletRequestWrapper {
+
+    private static final String FORWARDED_HOST_HEADER = "X-Forwarded-Host";
+    private static final String FORWARDED_PROTO_HEADER = "X-Forwarded-Proto";
+    private static final String HTTPS_SCHEME = "https";
+    private static final String HTTP_SCHEME = "http";
+
+    private String scheme;
+    private String serverName;
+    private int serverPort;
+
+    public ProxyHttpServletRequestWrapper(HttpServletRequest request) {
+        super(request);
+
+        scheme = request.getHeader(FORWARDED_PROTO_HEADER);
+
+        if (!HTTP_SCHEME.equals(scheme) && !HTTPS_SCHEME.equals(scheme)) {
+            scheme = request.getScheme();
+        }
+
+        serverName = request.getServerName();
+        serverPort = request.getServerPort();
+
+        String host = request.getHeader(FORWARDED_HOST_HEADER);
+        if ((host != null) && (host.length() > 0)) {
+            int index = host.indexOf(':');
+            if (index < 0) {
+                serverName = host;
+            } else {
+                serverName = host.substring(0, index);
+                try {
+                    serverPort = Integer.parseInt(host.substring(index + 1));
+                } catch (NumberFormatException e) {
+                }
+            }
+        }
+    }
+
+    @Override
+    public String getScheme() {
+        return scheme;
+    }
+
+    @Override
+    public String getServerName() {
+        return serverName;
+    }
+
+    @Override
+    public int getServerPort() {
+        return serverPort;
+    }
+}

Propchange: chemistry/opencmis/trunk/chemistry-opencmis-server/chemistry-opencmis-server-bindings/src/main/java/org/apache/chemistry/opencmis/server/impl/atompub/ProxyHttpServletRequestWrapper.java
------------------------------------------------------------------------------
    svn:eol-style = native

Modified: chemistry/opencmis/trunk/chemistry-opencmis-server/chemistry-opencmis-server-bindings/src/main/webapp/WEB-INF/web.xml
URL: http://svn.apache.org/viewvc/chemistry/opencmis/trunk/chemistry-opencmis-server/chemistry-opencmis-server-bindings/src/main/webapp/WEB-INF/web.xml?rev=1242078&r1=1242077&r2=1242078&view=diff
==============================================================================
--- chemistry/opencmis/trunk/chemistry-opencmis-server/chemistry-opencmis-server-bindings/src/main/webapp/WEB-INF/web.xml (original)
+++ chemistry/opencmis/trunk/chemistry-opencmis-server/chemistry-opencmis-server-bindings/src/main/webapp/WEB-INF/web.xml Wed Feb  8 20:31:30 2012
@@ -82,10 +82,19 @@
 			<param-name>callContextHandler</param-name>
 			<param-value>org.apache.chemistry.opencmis.server.shared.BasicAuthCallContextHandler</param-value>
 		</init-param>
+		<!--
+			Uncomment the following parameter if the OpenCMIS server runs behind a proxy server or a load balancer.
+			The value of the parameter is a regular expression. It must match the IP address of the proxy or load balancer.
+		-->
+		<!--
+		<init-param>
+			<param-name>trustedProxies</param-name>
+			<param-value>10\.\d{1,3}\.\d{1,3}\.\d{1,3}|192\.168\.\d{1,3}\.\d{1,3}|169\.254\.\d{1,3}\.\d{1,3}|127\.\d{1,3}\.\d{1,3}\.\d{1,3}</param-value>
+		</init-param>
+		-->
 		<load-on-startup>2</load-on-startup>
 	</servlet>
 	
-	<!-- Browser Binding is deactivated until the implementation is complete. -->
 	<servlet>
 		<servlet-name>cmisbrowser</servlet-name>
 		<servlet-class>org.apache.chemistry.opencmis.server.impl.browser.CmisBrowserBindingServlet</servlet-class>
@@ -106,7 +115,6 @@
 		<url-pattern>/atom/*</url-pattern>
 	</servlet-mapping>
 
-	<!-- Browser Binding is deactivated until the implementation is complete. -->
 	<servlet-mapping>
 		<servlet-name>cmisbrowser</servlet-name>
 		<url-pattern>/browser/*</url-pattern>