Add MyAlfrescoApiConnector connector which extends HttpOAuth2Connector, and also removes any Origin header to work against the public API and avoid the CORS filter

Author: wabson

share-oauth/src/main/java/org/sharextras/webscripts/connector/MyAlfrescoApiConnector.java

@@ -0,0 +1,60 @@
+package org.sharextras.webscripts.connector;
+
+import java.util.Enumeration;
+import java.util.Vector;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletRequestWrapper;
+import javax.servlet.http.HttpServletResponse;
+
+import org.springframework.extensions.config.RemoteConfigElement.ConnectorDescriptor;
+import org.springframework.extensions.webscripts.connector.ConnectorContext;
+import org.springframework.extensions.webscripts.connector.Response;
+
+public class MyAlfrescoApiConnector extends HttpOAuth2Connector
+{
+    private static final String HEADER_ORIGIN = "Origin";
+
+    public MyAlfrescoApiConnector(ConnectorDescriptor descriptor, String endpoint)
+    {
+        super(descriptor, endpoint);
+    }
+
+    @Override
+    public Response call(String uri, ConnectorContext context, HttpServletRequest req, HttpServletResponse res)
+    {
+        return super.call(uri, context, new NoOriginRequest(req), res);
+    }
+
+    private static final class NoOriginRequest extends HttpServletRequestWrapper
+    {
+        public NoOriginRequest(HttpServletRequest request)
+        {
+            super((HttpServletRequest)request);
+        }
+
+        @Override
+        public String getHeader(String name)
+        {
+            return !HEADER_ORIGIN.toLowerCase().equals(name) ? super.getHeader(name) : null;
+        }
+
+        @Override
+        @SuppressWarnings("rawtypes")
+        public Enumeration getHeaderNames()
+        {
+            Enumeration headers = super.getHeaderNames();
+            Vector<String> list = new Vector<String>();
+            while(headers.hasMoreElements())
+            {
+                String name = (String) headers.nextElement();
+                if (!HEADER_ORIGIN.toLowerCase().equals(name))
+                {
+                    list.add(name);
+                }
+            }
+            return list.elements();
+        }
+    }
+
+}