LCOV - code coverage report
Current view: directory - netwerk/protocol/viewsource - nsViewSourceHandler.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 50 21 42.0 %
Date: 2012-06-02 Functions: 9 4 44.4 %

       1                 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2                 : /* vim:set ts=4 sw=4 sts=4 et: */
       3                 : /* ***** BEGIN LICENSE BLOCK *****
       4                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       5                 :  *
       6                 :  * The contents of this file are subject to the Mozilla Public License Version
       7                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       8                 :  * the License. You may obtain a copy of the License at
       9                 :  * http://www.mozilla.org/MPL/
      10                 :  *
      11                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      12                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      13                 :  * for the specific language governing rights and limitations under the
      14                 :  * License.
      15                 :  *
      16                 :  * The Original Code is mozilla.org code.
      17                 :  *
      18                 :  * The Initial Developer of the Original Code is
      19                 :  * Netscape Communications Corporation.
      20                 :  * Portions created by the Initial Developer are Copyright (C) 1998
      21                 :  * the Initial Developer. All Rights Reserved.
      22                 :  *
      23                 :  * Contributor(s):
      24                 :  *   Chak Nanga <chak@netscape.com>
      25                 :  *   Darin Fisher <darin@meer.net>
      26                 :  *
      27                 :  * Alternatively, the contents of this file may be used under the terms of
      28                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      29                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      30                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      31                 :  * of those above. If you wish to allow use of your version of this file only
      32                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      33                 :  * use your version of this file under the terms of the MPL, indicate your
      34                 :  * decision by deleting the provisions above and replace them with the notice
      35                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      36                 :  * the provisions above, a recipient may use your version of this file under
      37                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      38                 :  *
      39                 :  * ***** END LICENSE BLOCK ***** */
      40                 : 
      41                 : #include "nsViewSourceHandler.h"
      42                 : #include "nsViewSourceChannel.h"
      43                 : #include "nsNetUtil.h"
      44                 : #include "nsSimpleNestedURI.h"
      45                 : 
      46                 : #define VIEW_SOURCE "view-source"
      47                 : 
      48                 : ////////////////////////////////////////////////////////////////////////////////
      49                 : 
      50             377 : NS_IMPL_ISUPPORTS1(nsViewSourceHandler, nsIProtocolHandler)
      51                 : 
      52                 : ////////////////////////////////////////////////////////////////////////////////
      53                 : // nsIProtocolHandler methods:
      54                 : 
      55                 : NS_IMETHODIMP
      56               0 : nsViewSourceHandler::GetScheme(nsACString &result)
      57                 : {
      58               0 :     result.AssignLiteral(VIEW_SOURCE);
      59               0 :     return NS_OK;
      60                 : }
      61                 : 
      62                 : NS_IMETHODIMP
      63               0 : nsViewSourceHandler::GetDefaultPort(PRInt32 *result)
      64                 : {
      65               0 :     *result = -1;
      66               0 :     return NS_OK;
      67                 : }
      68                 : 
      69                 : NS_IMETHODIMP
      70               0 : nsViewSourceHandler::GetProtocolFlags(PRUint32 *result)
      71                 : {
      72                 :     *result = URI_NORELATIVE | URI_NOAUTH | URI_LOADABLE_BY_ANYONE |
      73               0 :         URI_NON_PERSISTABLE;
      74               0 :     return NS_OK;
      75                 : }
      76                 : 
      77                 : NS_IMETHODIMP
      78              44 : nsViewSourceHandler::NewURI(const nsACString &aSpec,
      79                 :                             const char *aCharset,
      80                 :                             nsIURI *aBaseURI,
      81                 :                             nsIURI **aResult)
      82                 : {
      83              44 :     *aResult = nsnull;
      84                 : 
      85                 :     // Extract inner URL and normalize to ASCII.  This is done to properly
      86                 :     // support IDN in cases like "view-source:http://www.szalagavató.hu/"
      87                 : 
      88              44 :     PRInt32 colon = aSpec.FindChar(':');
      89              44 :     if (colon == kNotFound)
      90               0 :         return NS_ERROR_MALFORMED_URI;
      91                 : 
      92              88 :     nsCOMPtr<nsIURI> innerURI;
      93              44 :     nsresult rv = NS_NewURI(getter_AddRefs(innerURI),
      94              88 :                             Substring(aSpec, colon + 1), aCharset, aBaseURI);
      95              44 :     if (NS_FAILED(rv))
      96               0 :         return rv;
      97                 : 
      98              88 :     nsCAutoString asciiSpec;
      99              44 :     rv = innerURI->GetAsciiSpec(asciiSpec);
     100              44 :     if (NS_FAILED(rv))
     101               0 :         return rv;
     102                 : 
     103                 :     // put back our scheme and construct a simple-uri wrapper
     104                 : 
     105              44 :     asciiSpec.Insert(VIEW_SOURCE ":", 0);
     106                 : 
     107                 :     // We can't swap() from an nsRefPtr<nsSimpleNestedURI> to an nsIURI**,
     108                 :     // sadly.
     109              88 :     nsSimpleNestedURI* ourURI = new nsSimpleNestedURI(innerURI);
     110              88 :     nsCOMPtr<nsIURI> uri = ourURI;
     111              44 :     if (!uri)
     112               0 :         return NS_ERROR_OUT_OF_MEMORY;
     113                 : 
     114              44 :     rv = ourURI->SetSpec(asciiSpec);
     115              44 :     if (NS_FAILED(rv))
     116               0 :         return rv;
     117                 : 
     118                 :     // Make the URI immutable so it's impossible to get it out of sync
     119                 :     // with its inner URI.
     120              44 :     ourURI->SetMutable(false);
     121                 : 
     122              44 :     uri.swap(*aResult);
     123              44 :     return rv;
     124                 : }
     125                 : 
     126                 : NS_IMETHODIMP
     127               0 : nsViewSourceHandler::NewChannel(nsIURI* uri, nsIChannel* *result)
     128                 : {
     129               0 :     NS_ENSURE_ARG_POINTER(uri);
     130               0 :     nsViewSourceChannel *channel = new nsViewSourceChannel();
     131               0 :     if (!channel)
     132               0 :         return NS_ERROR_OUT_OF_MEMORY;
     133               0 :     NS_ADDREF(channel);
     134                 : 
     135               0 :     nsresult rv = channel->Init(uri);
     136               0 :     if (NS_FAILED(rv)) {
     137               0 :         NS_RELEASE(channel);
     138               0 :         return rv;
     139                 :     }
     140                 : 
     141               0 :     *result = static_cast<nsIViewSourceChannel*>(channel);
     142               0 :     return NS_OK;
     143                 : }
     144                 : 
     145                 : NS_IMETHODIMP 
     146               0 : nsViewSourceHandler::AllowPort(PRInt32 port, const char *scheme, bool *_retval)
     147                 : {
     148                 :     // don't override anything.  
     149               0 :     *_retval = false;
     150               0 :     return NS_OK;
     151                 : }

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