Issue 4160 - Return headers in AndroidWebRequest

libadblockplus-android/src/org/adblockplus/android/AndroidWebRequest.java

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2016 Eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus 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 Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.adblockplus.android;
 
 import java.io.BufferedReader;
 import java.io.InputStreamReader;
 import java.net.HttpURLConnection;
 import java.net.URL;
 import java.util.HashSet;
+import java.util.LinkedList;
 import java.util.List;
+import java.util.Map;
 
 import org.adblockplus.libadblockplus.AdblockPlusException;
 import org.adblockplus.libadblockplus.FilterEngine;
 import org.adblockplus.libadblockplus.HeaderEntry;
 import org.adblockplus.libadblockplus.ServerResponse;
 import org.adblockplus.libadblockplus.ServerResponse.NsStatus;
 import org.adblockplus.libadblockplus.WebRequest;
 
 import android.util.Log;
 
@@ skipping 81 matching lines @@
         else
         {
           int character;
 
           while ((character = reader.read()) != -1)
           {
             sb.append((char) character);
           }
         }
 
-        connection.disconnect();
-
         response.setStatus(NsStatus.OK);
         response.setResponse(sb.toString());
+
+        if (connection.getHeaderFields().size() > 0)
+        {
+          List<HeaderEntry> responseHeaders = new LinkedList<HeaderEntry>();
+          for (Map.Entry<String, List<String>> eachEntry : connection.getHeaderFields().entrySet())
+          {
+            for (String eachValue : eachEntry.getValue())
+            {
+              if (eachEntry.getKey() != null && eachValue != null)
+              {
+                responseHeaders.add(new HeaderEntry(eachEntry.getKey(), eachValue));
+              }
+            }
+          }
+          response.setReponseHeaders(responseHeaders);
+        }
+
+        connection.disconnect();
       }
       else
       {
         response.setStatus(NsStatus.ERROR_FAILURE);
       }
       return response;
     }
     catch (final Throwable t)
     {
       throw new AdblockPlusException("WebRequest failed", t);
     }
   }
 }