LCOV - code coverage report
Current view: directory - modules/libjar - nsJARProtocolHandler.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 65 41 63.1 %
Date: 2012-06-02 Functions: 16 11 68.8 %

       1                 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is mozilla.org code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 1998
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *   Benjamin Smedberg <benjamin@smedbergs.us>
      24                 :  *
      25                 :  * Alternatively, the contents of this file may be used under the terms of
      26                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      27                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      28                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      29                 :  * of those above. If you wish to allow use of your version of this file only
      30                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      31                 :  * use your version of this file under the terms of the MPL, indicate your
      32                 :  * decision by deleting the provisions above and replace them with the notice
      33                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      34                 :  * the provisions above, a recipient may use your version of this file under
      35                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      36                 :  *
      37                 :  * ***** END LICENSE BLOCK ***** */
      38                 : 
      39                 : #include "nsAutoPtr.h"
      40                 : #include "nsJARProtocolHandler.h"
      41                 : #include "nsIIOService.h"
      42                 : #include "nsCRT.h"
      43                 : #include "nsIComponentManager.h"
      44                 : #include "nsIServiceManager.h"
      45                 : #include "nsJARURI.h"
      46                 : #include "nsIURL.h"
      47                 : #include "nsJARChannel.h"
      48                 : #include "nsXPIDLString.h"
      49                 : #include "nsString.h"
      50                 : #include "nsNetCID.h"
      51                 : #include "nsIMIMEService.h"
      52                 : #include "nsMimeTypes.h"
      53                 : 
      54                 : static NS_DEFINE_CID(kZipReaderCacheCID, NS_ZIPREADERCACHE_CID);
      55                 : 
      56                 : #define NS_JAR_CACHE_SIZE 32
      57                 : 
      58                 : //-----------------------------------------------------------------------------
      59                 : 
      60                 : nsJARProtocolHandler *gJarHandler = nsnull;
      61                 : 
      62            1419 : nsJARProtocolHandler::nsJARProtocolHandler()
      63                 : {
      64            1419 : }
      65                 : 
      66            2838 : nsJARProtocolHandler::~nsJARProtocolHandler()
      67                 : {
      68            5676 : }
      69                 : 
      70                 : nsresult
      71            1419 : nsJARProtocolHandler::Init()
      72                 : {
      73                 :     nsresult rv;
      74                 : 
      75            1419 :     mJARCache = do_CreateInstance(kZipReaderCacheCID, &rv);
      76            1419 :     if (NS_FAILED(rv)) return rv;
      77                 : 
      78            1419 :     rv = mJARCache->Init(NS_JAR_CACHE_SIZE);
      79            1419 :     return rv;
      80                 : }
      81                 : 
      82                 : nsIMIMEService * 
      83               0 : nsJARProtocolHandler::MimeService()
      84                 : {
      85               0 :     if (!mMimeService)
      86               0 :         mMimeService = do_GetService("@mozilla.org/mime;1");
      87                 : 
      88               0 :     return mMimeService.get();
      89                 : }
      90                 : 
      91           58367 : NS_IMPL_THREADSAFE_ISUPPORTS3(nsJARProtocolHandler,
      92                 :                               nsIJARProtocolHandler,
      93                 :                               nsIProtocolHandler,
      94                 :                               nsISupportsWeakReference)
      95                 : 
      96                 : nsJARProtocolHandler*
      97            1419 : nsJARProtocolHandler::GetSingleton()
      98                 : {
      99            1419 :     if (!gJarHandler) {
     100            1419 :         gJarHandler = new nsJARProtocolHandler();
     101            1419 :         if (!gJarHandler)
     102               0 :             return nsnull;
     103                 : 
     104            1419 :         NS_ADDREF(gJarHandler);
     105            1419 :         nsresult rv = gJarHandler->Init();
     106            1419 :         if (NS_FAILED(rv)) {
     107               0 :             NS_RELEASE(gJarHandler);
     108               0 :             return nsnull;
     109                 :         }
     110                 :     }
     111            1419 :     NS_ADDREF(gJarHandler);
     112            1419 :     return gJarHandler;
     113                 : }
     114                 : 
     115                 : NS_IMETHODIMP
     116               0 : nsJARProtocolHandler::GetJARCache(nsIZipReaderCache* *result)
     117                 : {
     118               0 :     *result = mJARCache;
     119               0 :     NS_ADDREF(*result);
     120               0 :     return NS_OK;
     121                 : }
     122                 : 
     123                 : ////////////////////////////////////////////////////////////////////////////////
     124                 : // nsIProtocolHandler methods:
     125                 : 
     126                 : NS_IMETHODIMP
     127               0 : nsJARProtocolHandler::GetScheme(nsACString &result)
     128                 : {
     129               0 :     result.AssignLiteral("jar");
     130               0 :     return NS_OK;
     131                 : }
     132                 : 
     133                 : NS_IMETHODIMP
     134               0 : nsJARProtocolHandler::GetDefaultPort(PRInt32 *result)
     135                 : {
     136               0 :     *result = -1;        // no port for JAR: URLs
     137               0 :     return NS_OK;
     138                 : }
     139                 : 
     140                 : NS_IMETHODIMP
     141             416 : nsJARProtocolHandler::GetProtocolFlags(PRUint32 *result)
     142                 : {
     143                 :     // URI_LOADABLE_BY_ANYONE, since it's our inner URI that will matter
     144                 :     // anyway.
     145             416 :     *result = URI_NORELATIVE | URI_NOAUTH | URI_LOADABLE_BY_ANYONE;
     146                 :     /* Although jar uris have their own concept of relative urls
     147                 :        it is very different from the standard behaviour, so we
     148                 :        have to say norelative here! */
     149             416 :     return NS_OK;
     150                 : }
     151                 : 
     152                 : NS_IMETHODIMP
     153            2144 : nsJARProtocolHandler::NewURI(const nsACString &aSpec,
     154                 :                              const char *aCharset,
     155                 :                              nsIURI *aBaseURI,
     156                 :                              nsIURI **result)
     157                 : {
     158            2144 :     nsresult rv = NS_OK;
     159                 : 
     160            4288 :     nsRefPtr<nsJARURI> jarURI = new nsJARURI();
     161            2144 :     if (!jarURI)
     162               0 :         return NS_ERROR_OUT_OF_MEMORY;
     163                 : 
     164            2144 :     rv = jarURI->Init(aCharset);
     165            2144 :     NS_ENSURE_SUCCESS(rv, rv);
     166                 : 
     167            2144 :     rv = jarURI->SetSpecWithBase(aSpec, aBaseURI);
     168            2144 :     if (NS_FAILED(rv))
     169              50 :         return rv;
     170                 : 
     171            2094 :     NS_ADDREF(*result = jarURI);
     172            2094 :     return rv;
     173                 : }
     174                 : 
     175                 : NS_IMETHODIMP
     176             399 : nsJARProtocolHandler::NewChannel(nsIURI *uri, nsIChannel **result)
     177                 : {
     178             399 :     nsJARChannel *chan = new nsJARChannel();
     179             399 :     if (!chan)
     180               0 :         return NS_ERROR_OUT_OF_MEMORY;
     181             399 :     NS_ADDREF(chan);
     182                 : 
     183             399 :     nsresult rv = chan->Init(uri);
     184             399 :     if (NS_FAILED(rv)) {
     185               0 :         NS_RELEASE(chan);
     186               0 :         return rv;
     187                 :     }
     188                 : 
     189             399 :     *result = chan;
     190             399 :     return NS_OK;
     191                 : }
     192                 : 
     193                 : 
     194                 : NS_IMETHODIMP
     195               0 : nsJARProtocolHandler::AllowPort(PRInt32 port, const char *scheme, bool *_retval)
     196                 : {
     197                 :     // don't override anything.
     198               0 :     *_retval = false;
     199               0 :     return NS_OK;
     200                 : }
     201                 : 
     202                 : ////////////////////////////////////////////////////////////////////////////////

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