Issue 4209 - Lower case of HTTP header names 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
@@ skipping 118 matching lines @@
         response.setStatus(NsStatus.OK);
         response.setResponse(sb.toString());
 
         //  headers
         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));
+                  responseHeaders.add(new HeaderEntry(eachEntry.getKey().toLowerCase(), eachValue));
           response.setReponseHeaders(responseHeaders);
         }
 
         connection.disconnect();
       }
       else
       {
         response.setStatus(NsStatus.ERROR_FAILURE);
       }
       return response;
     }
     catch (final Throwable t)
     {
       throw new AdblockPlusException("WebRequest failed", t);
     }
   }
 }