Merged V2.0 to HEAD

svn merge svn://svn.alfresco.com:3691/alfresco/BRANCHES/V2.0@5118 svn://svn.alfresco.com:3691/alfresco/BRANCHES/V2.0@5119 . - OpenSearch Proxy svn merge svn://svn.alfresco.com:3691/alfresco/BRANCHES/V2.0@5121 svn://svn.alfresco.com:3691/alfresco/BRANCHES/V2.0@5122 . - Extract sample OpenSearch engine registrations into extension config file. git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5125 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
2025-08-07 17:49:17 +00:00 · 2007-02-13 21:21:48 +00:00
parent 2d5a480d85
commit 9067948404
14 changed files with 861 additions and 25 deletions
--- a/source/java/org/alfresco/web/app/servlet/HTTPProxyServlet.java
+++ b/source/java/org/alfresco/web/app/servlet/HTTPProxyServlet.java
@@ -0,0 +1,119 @@
+/*
+ * Copyright (C) 2005 Alfresco, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+package org.alfresco.web.app.servlet;
+
+import java.io.IOException;
+import java.util.Map;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+
+/**
+ * HTTP Proxy Servlet
+ * 
+ * Provides the ability to submit a URL request via the Alfresco Server i.e.
+ * the Alfresco server acts as a proxy.
+ * 
+ * This servlet accepts:
+ * 
+ * /proxy?endpoint=<endpointUrl>[&<argName>=<argValue>]*
+ * 
+ * Where:
+ * 
+ * - endpointUrl is the URL to make a request against
+ * - argName is the name of a URL argument to append to the request
+ * - argValue is the value of URL argument
+ * 
+ * E.g.:
+ * 
+ * /proxy?endpoint=http://www.alfresco.com&arg1=value1&arg2=value2
+ * 
+ * @author davidc
+ */
+public class HTTPProxyServlet extends BaseServlet
+{
+    private static final long serialVersionUID = -576405943603122206L;
+
+    /**
+     * @see javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
+     */
+    protected void doGet(HttpServletRequest req, HttpServletResponse res)
+            throws ServletException, IOException
+    {
+        String endpoint = null;
+        String args = null;
+        
+        Map<String, String[]> parameters = req.getParameterMap();
+        for (Map.Entry<String, String[]> parameter : parameters.entrySet())
+        {
+            String[] values = parameter.getValue();
+            int startIdx = 0;
+            
+            if (parameter.getKey().equals("endpoint") && values.length > 0)
+            {
+                endpoint = values[0];
+                startIdx++;
+            }
+            
+            for (int i = startIdx; i < values.length; i++)
+            {
+                String arg = parameter.getKey() + "=" + values[i];
+                args = (args == null) ? arg : args + "&" + arg;
+            }
+        }
+
+        if (endpoint == null || endpoint.length() == 0)
+        {
+            throw new IllegalArgumentException("endpoint argument not specified");
+        }
+        
+        String url = endpoint + ((args == null) ? "" : "?" + args);
+        HTTPProxy proxy = new HTTPProxy(url, res);
+        proxy.service();
+    }
+
+    /**
+     * Construct a "proxied" URL
+     * 
+     * Note: the "proxied" URL is a relative url 
+     * 
+     * @param url  the URL to proxy
+     * @return  the "proxied" url
+     */
+    public static String createProxyUrl(String url)
+    {
+        String proxy = "/proxy";
+        if (url != null && url.length() > 0)
+        {
+            int argIndex = url.lastIndexOf("?");
+            if (argIndex == -1)
+            {
+                proxy += "?endpoint=" + url;
+            }
+            else
+            {
+                proxy += "?endpoint=" + url.substring(0, argIndex) + "&" + url.substring(argIndex + 1);
+            }
+        }
+        
+        return proxy;
+    }
+    
+}