Changeset 14524 for greenstone3/trunk

Timestamp:

2007-09-17T15:18:14+12:00 (17 years ago)

Author:

qq6

Message:

the web page is redirect to an external link of "el=" is found from the querystring

File:

• greenstone3/trunk/src/java/org/greenstone/gsdl3/LibraryServlet.java (modified) (2 diffs)

greenstone3/trunk/src/java/org/greenstone/gsdl3/LibraryServlet.java

@@ -162 +162 @@
       
       message_router.setSiteName(site_name);
+      message_router.setLibraryName(library_name);
       message_router.configure();
       this.recept.setMessageRouter(message_router);
@@ -272 +273 @@
     throws ServletException, IOException {
     logUsageInfo (request);
-    //logger.info("---------------------------------------------------");
+
+    String query_string = request.getQueryString();
+    if (query_string!=null){
+    String[] query_arr = query_string.split("&");
+    boolean redirect = false;
+    String href = null;
+    String rl = null;
+    for (int i=0;i<query_arr.length;i++){
+        if (query_arr[i].startsWith("el")){
+        redirect = true;
+        }else if(query_arr[i].startsWith("href")){
+        href = query_arr[i].substring(query_arr[i].indexOf("=")+1,query_arr[i].length());
+        href = href.replaceAll("%2f", "/");
+        href = href.replaceAll("%7e", "~");
+        href = href.replaceAll("%3f", "?");
+        href = href.replaceAll("%3A", "\\:");
+        }else if(query_arr[i].startsWith("rl")){
+        rl = query_arr[i].substring(query_arr[i].indexOf("=")+1,query_arr[i].length());
+        }
+    }
+    //if query_string contains "el=", the web page will be redirected to the external URl, otherwise a greenstone page with an external URL will be displayed
+    //"rl=0" this is an external link
+    //"rl=1" this is an internal link
+    if ((redirect) && (href != null) && (rl.equals("0"))){// This is an external link, the web page is re-directed to the external URL (&el=&rl=0&href="http://...")
+        response.setContentType("text/xml");
+        response.sendRedirect(href);
+    }
+    }
     // Nested Diagnostic Configurator to identify the client for