mirror of
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357 lines
10 KiB
C++
357 lines
10 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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// vim:ts=4 sw=4 sts=4 et cin:
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Rich Walsh <dragtext@e-vertise.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsFileProtocolHandler.h"
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#include "nsFileChannel.h"
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#include "nsInputStreamChannel.h"
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#include "nsStandardURL.h"
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#include "nsURLHelper.h"
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#include "nsNetCID.h"
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#include "nsIServiceManager.h"
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#include "nsIURL.h"
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#include "nsNetUtil.h"
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// URL file handling, copied and modified from xpfe/components/bookmarks/src/nsBookmarksService.cpp
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#ifdef XP_WIN
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#ifndef WINCE
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// Windows mobile does not support internet shortcuts including
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// CLSID_InternetShortcut and IUniformResourceLocator used in
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// this file
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#include <shlobj.h>
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#include <intshcut.h>
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#endif
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#include "nsIFileURL.h"
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#ifdef CompareString
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#undef CompareString
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#endif
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#endif
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// URL file handling for OS/2
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#ifdef XP_OS2
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#include "prio.h"
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#include "nsIFileURL.h"
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#include "nsILocalFileOS2.h"
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#endif
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// URL file handling for freedesktop.org
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#ifdef XP_UNIX
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#include "nsINIParser.h"
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#define DESKTOP_ENTRY_SECTION "Desktop Entry"
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#endif
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//-----------------------------------------------------------------------------
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nsFileProtocolHandler::nsFileProtocolHandler()
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{
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}
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nsresult
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nsFileProtocolHandler::Init()
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{
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return NS_OK;
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}
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NS_IMPL_THREADSAFE_ISUPPORTS3(nsFileProtocolHandler,
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nsIFileProtocolHandler,
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nsIProtocolHandler,
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nsISupportsWeakReference)
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//-----------------------------------------------------------------------------
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// nsIProtocolHandler methods:
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#if defined(XP_WIN)
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NS_IMETHODIMP
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nsFileProtocolHandler::ReadURLFile(nsIFile* aFile, nsIURI** aURI)
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{
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// IUniformResourceLocator isn't supported by VC5 (bless its little heart)
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#if _MSC_VER < 1200 || defined (WINCE)
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return NS_ERROR_NOT_AVAILABLE;
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#else
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nsAutoString path;
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nsresult rv = aFile->GetPath(path);
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if (NS_FAILED(rv))
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return rv;
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if (path.Length() < 4)
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return NS_ERROR_NOT_AVAILABLE;
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if (!StringTail(path, 4).LowerCaseEqualsLiteral(".url"))
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return NS_ERROR_NOT_AVAILABLE;
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HRESULT result;
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rv = NS_ERROR_NOT_AVAILABLE;
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IUniformResourceLocatorW* urlLink = nsnull;
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result = ::CoCreateInstance(CLSID_InternetShortcut, NULL, CLSCTX_INPROC_SERVER,
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IID_IUniformResourceLocatorW, (void**)&urlLink);
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if (SUCCEEDED(result) && urlLink) {
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IPersistFile* urlFile = nsnull;
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result = urlLink->QueryInterface(IID_IPersistFile, (void**)&urlFile);
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if (SUCCEEDED(result) && urlFile) {
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result = urlFile->Load(path.get(), STGM_READ);
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if (SUCCEEDED(result) ) {
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LPWSTR lpTemp = nsnull;
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// The URL this method will give us back seems to be already
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// escaped. Hence, do not do escaping of our own.
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result = urlLink->GetURL(&lpTemp);
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if (SUCCEEDED(result) && lpTemp) {
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rv = NS_NewURI(aURI, nsDependentString(lpTemp));
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// free the string that GetURL alloc'd
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CoTaskMemFree(lpTemp);
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}
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}
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urlFile->Release();
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}
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urlLink->Release();
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}
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return rv;
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#endif //_MSC_VER < 1200 || defined (WINCE)
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}
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#elif defined(XP_OS2)
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NS_IMETHODIMP
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nsFileProtocolHandler::ReadURLFile(nsIFile* aFile, nsIURI** aURI)
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{
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nsresult rv;
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nsCOMPtr<nsILocalFileOS2> os2File (do_QueryInterface(aFile, &rv));
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if (NS_FAILED(rv))
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return NS_ERROR_NOT_AVAILABLE;
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// see if this file is a WPS UrlObject
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PRBool isUrl;
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rv = os2File->IsFileType(NS_LITERAL_CSTRING("UniformResourceLocator"),
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&isUrl);
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if (NS_FAILED(rv) || !isUrl)
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return NS_ERROR_NOT_AVAILABLE;
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// if so, open it & get its size
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PRFileDesc *file;
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rv = os2File->OpenNSPRFileDesc(PR_RDONLY, 0, &file);
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if (NS_FAILED(rv))
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return NS_ERROR_NOT_AVAILABLE;
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PRInt64 fileSize;
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os2File->GetFileSize(&fileSize);
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rv = NS_ERROR_NOT_AVAILABLE;
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// get a buffer, read the entire file, then create
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// an nsURI; we assume the string is already escaped
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char * buffer = (char*)NS_Alloc(fileSize+1);
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if (buffer) {
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PRInt32 cnt = PR_Read(file, buffer, fileSize);
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if (cnt > 0) {
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buffer[cnt] = '\0';
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if (NS_SUCCEEDED(NS_NewURI(aURI, nsDependentCString(buffer))))
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rv = NS_OK;
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}
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NS_Free(buffer);
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}
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PR_Close(file);
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return rv;
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}
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#elif defined(XP_UNIX) && !defined(__SYMBIAN32__)
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NS_IMETHODIMP
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nsFileProtocolHandler::ReadURLFile(nsIFile* aFile, nsIURI** aURI)
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{
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// We only support desktop files that end in ".desktop" like the spec says:
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// http://standards.freedesktop.org/desktop-entry-spec/latest/ar01s02.html
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nsCAutoString leafName;
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nsresult rv = aFile->GetNativeLeafName(leafName);
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if (NS_FAILED(rv) ||
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!StringEndsWith(leafName, NS_LITERAL_CSTRING(".desktop")))
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return NS_ERROR_NOT_AVAILABLE;
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nsCOMPtr<nsILocalFile> file(do_QueryInterface(aFile, &rv));
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if (NS_FAILED(rv))
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return rv;
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nsINIParser parser;
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rv = parser.Init(file);
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if (NS_FAILED(rv))
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return rv;
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nsCAutoString type;
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parser.GetString(DESKTOP_ENTRY_SECTION, "Type", type);
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if (!type.EqualsLiteral("Link"))
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return NS_ERROR_NOT_AVAILABLE;
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nsCAutoString url;
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rv = parser.GetString(DESKTOP_ENTRY_SECTION, "URL", url);
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if (NS_FAILED(rv) || url.IsEmpty())
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return NS_ERROR_NOT_AVAILABLE;
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return NS_NewURI(aURI, url);
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}
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#else // other platforms
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NS_IMETHODIMP
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nsFileProtocolHandler::ReadURLFile(nsIFile* aFile, nsIURI** aURI)
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{
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return NS_ERROR_NOT_AVAILABLE;
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}
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#endif // ReadURLFile()
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NS_IMETHODIMP
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nsFileProtocolHandler::GetScheme(nsACString &result)
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{
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result.AssignLiteral("file");
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return NS_OK;
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}
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NS_IMETHODIMP
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nsFileProtocolHandler::GetDefaultPort(PRInt32 *result)
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{
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*result = -1; // no port for file: URLs
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return NS_OK;
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}
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NS_IMETHODIMP
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nsFileProtocolHandler::GetProtocolFlags(PRUint32 *result)
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{
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*result = URI_NOAUTH | URI_IS_LOCAL_FILE | URI_IS_LOCAL_RESOURCE;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsFileProtocolHandler::NewURI(const nsACString &spec,
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const char *charset,
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nsIURI *baseURI,
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nsIURI **result)
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{
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nsCOMPtr<nsIStandardURL> url = new nsStandardURL(PR_TRUE);
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if (!url)
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return NS_ERROR_OUT_OF_MEMORY;
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const nsACString *specPtr = &spec;
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#if defined(XP_WIN) || defined(XP_OS2)
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nsCAutoString buf;
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if (net_NormalizeFileURL(spec, buf))
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specPtr = &buf;
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#endif
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nsresult rv = url->Init(nsIStandardURL::URLTYPE_NO_AUTHORITY, -1,
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*specPtr, charset, baseURI);
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if (NS_FAILED(rv)) return rv;
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return CallQueryInterface(url, result);
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}
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NS_IMETHODIMP
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nsFileProtocolHandler::NewChannel(nsIURI *uri, nsIChannel **result)
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{
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nsFileChannel *chan = new nsFileChannel(uri);
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if (!chan)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(chan);
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nsresult rv = chan->Init();
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if (NS_FAILED(rv)) {
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NS_RELEASE(chan);
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return rv;
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}
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*result = chan;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsFileProtocolHandler::AllowPort(PRInt32 port, const char *scheme, PRBool *result)
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{
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// don't override anything.
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*result = PR_FALSE;
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return NS_OK;
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}
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//-----------------------------------------------------------------------------
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// nsIFileProtocolHandler methods:
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NS_IMETHODIMP
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nsFileProtocolHandler::NewFileURI(nsIFile *file, nsIURI **result)
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{
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NS_ENSURE_ARG_POINTER(file);
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nsresult rv;
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nsCOMPtr<nsIFileURL> url = new nsStandardURL(PR_TRUE);
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if (!url)
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return NS_ERROR_OUT_OF_MEMORY;
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// NOTE: the origin charset is assigned the value of the platform
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// charset by the SetFile method.
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rv = url->SetFile(file);
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if (NS_FAILED(rv)) return rv;
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return CallQueryInterface(url, result);
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}
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NS_IMETHODIMP
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nsFileProtocolHandler::GetURLSpecFromFile(nsIFile *file, nsACString &result)
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{
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NS_ENSURE_ARG_POINTER(file);
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return net_GetURLSpecFromFile(file, result);
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}
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NS_IMETHODIMP
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nsFileProtocolHandler::GetURLSpecFromActualFile(nsIFile *file,
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nsACString &result)
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{
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NS_ENSURE_ARG_POINTER(file);
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return net_GetURLSpecFromActualFile(file, result);
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}
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NS_IMETHODIMP
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nsFileProtocolHandler::GetURLSpecFromDir(nsIFile *file, nsACString &result)
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{
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NS_ENSURE_ARG_POINTER(file);
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return net_GetURLSpecFromDir(file, result);
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}
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NS_IMETHODIMP
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nsFileProtocolHandler::GetFileFromURLSpec(const nsACString &spec, nsIFile **result)
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{
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return net_GetFileFromURLSpec(spec, result);
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}
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