зеркало из https://github.com/mozilla/pjs.git
1464 строки
52 KiB
C++
1464 строки
52 KiB
C++
/* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is the Mozilla browser.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications, Inc. Portions created by Netscape are
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* Copyright (C) 1999, Mozilla. All Rights Reserved.
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*
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* Contributor(s):
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* Scott MacGregor <mscott@netscape.com>
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* Boris Zbarsky <bzbarsky@mit.edu> (Added mailcap and mime.types support)
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*/
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#include "nsOSHelperAppService.h"
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#include "nsISupports.h"
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#include "nsString.h"
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#include "nsReadableUtils.h"
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#include "nsUnicharUtils.h"
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#include "nsXPIDLString.h"
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#include "nsIURL.h"
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#include "nsIFileStreams.h"
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#include "nsILineInputStream.h"
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#include "nsILocalFile.h"
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#include "nsIProcess.h"
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#include "nsIPrefService.h"
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#include "nsIPrefBranch.h"
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#include "nsNetCID.h"
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#include "nsXPCOM.h"
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#include "nsISupportsPrimitives.h"
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#include "nsHashtable.h"
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#include "nsCRT.h"
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#include "prenv.h" // for PR_GetEnv()
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#include <stdlib.h> // for system()
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#define LOG(args) PR_LOG(mLog, PR_LOG_DEBUG, args)
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#define LOG_ENABLED() PR_LOG_TEST(mLog, PR_LOG_DEBUG)
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static nsresult
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FindSemicolon(nsAString::const_iterator& aSemicolon_iter,
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const nsAString::const_iterator& aEnd_iter);
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static nsresult
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ParseMIMEType(const nsAString::const_iterator& aStart_iter,
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nsAString::const_iterator& aMajorTypeStart,
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nsAString::const_iterator& aMajorTypeEnd,
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nsAString::const_iterator& aMinorTypeStart,
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nsAString::const_iterator& aMinorTypeEnd,
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const nsAString::const_iterator& aEnd_iter);
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inline PRBool
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IsNetscapeFormat(const nsAString& aBuffer);
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nsOSHelperAppService::nsOSHelperAppService() : nsExternalHelperAppService()
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{
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}
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nsOSHelperAppService::~nsOSHelperAppService()
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{}
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NS_IMETHODIMP nsOSHelperAppService::LaunchAppWithTempFile(nsIMIMEInfo * aMIMEInfo, nsIFile * aTempFile)
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{
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LOG(("-- nsOSHelperAppService::LaunchAppWithTempFile"));
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nsresult rv = NS_OK;
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if (aMIMEInfo)
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{
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nsCOMPtr<nsIFile> application;
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nsCAutoString path;
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aTempFile->GetNativePath(path);
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LOG(("Launching helper on '%s'\n", path.get()));
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nsMIMEInfoHandleAction action = nsIMIMEInfo::useSystemDefault;
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aMIMEInfo->GetPreferredAction(&action);
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if (action == nsIMIMEInfo::useHelperApp)
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{
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aMIMEInfo->GetPreferredApplicationHandler(getter_AddRefs(application));
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}
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else
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{
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aMIMEInfo->GetDefaultApplicationHandler(getter_AddRefs(application));
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}
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// The nsIMIMEInfo should have either the default or preferred
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// application handler attribute set to match the preferredAction!
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if (!application)
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return NS_ERROR_FAILURE;
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if (LOG_ENABLED()) {
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nsCAutoString appPath;
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application->GetNativePath(appPath);
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LOG(("The helper is '%s'\n", appPath.get()));
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}
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// if we were given an application to use then use it....otherwise
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// make the registry call to launch the app
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const char * strPath = path.get();
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nsCOMPtr<nsIProcess> process = do_CreateInstance(NS_PROCESS_CONTRACTID);
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if (NS_FAILED(rv = process->Init(application)))
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return rv;
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PRUint32 pid;
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if (NS_FAILED(rv = process->Run(PR_FALSE, &strPath, 1, &pid)))
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return rv;
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}
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return rv;
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}
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/*
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* Take a command with all the mailcap escapes in it and unescape it
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* Ideally this needs the mime type, mime type options, and location of the
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* temporary file, but this last can't be got from here
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*/
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// static
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nsresult
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nsOSHelperAppService::UnescapeCommand(const nsAString& aEscapedCommand,
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const nsAString& aMajorType,
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const nsAString& aMinorType,
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nsHashtable& aTypeOptions,
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nsACString& aUnEscapedCommand) {
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LOG(("-- UnescapeCommand"));
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LOG(("Command to escape: '%s'\n",
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NS_LossyConvertUCS2toASCII(aEscapedCommand).get()));
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// XXX This function will need to get the mime type and various stuff like that being passed in to work properly
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LOG(("UnescapeCommand really needs some work -- it should actually do some unescaping\n"));
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aUnEscapedCommand = NS_ConvertUCS2toUTF8(aEscapedCommand);
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LOG(("Escaped command: '%s'\n",
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PromiseFlatCString(aUnEscapedCommand).get()));
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return NS_OK;
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}
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/* Put aSemicolon_iter at the first non-escaped semicolon after
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* aStart_iter but before aEnd_iter
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*/
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static nsresult
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FindSemicolon(nsAString::const_iterator& aSemicolon_iter,
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const nsAString::const_iterator& aEnd_iter) {
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PRBool semicolonFound = PR_FALSE;
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while (aSemicolon_iter != aEnd_iter && !semicolonFound) {
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switch(*aSemicolon_iter) {
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case '\\':
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aSemicolon_iter.advance(2);
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break;
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case ';':
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semicolonFound = PR_TRUE;
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break;
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default:
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++aSemicolon_iter;
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break;
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}
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}
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return NS_OK;
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}
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static nsresult
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ParseMIMEType(const nsAString::const_iterator& aStart_iter,
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nsAString::const_iterator& aMajorTypeStart,
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nsAString::const_iterator& aMajorTypeEnd,
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nsAString::const_iterator& aMinorTypeStart,
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nsAString::const_iterator& aMinorTypeEnd,
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const nsAString::const_iterator& aEnd_iter) {
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nsAString::const_iterator iter(aStart_iter);
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// skip leading whitespace
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while (iter != aEnd_iter && nsCRT::IsAsciiSpace(*iter)) {
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++iter;
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}
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if (iter == aEnd_iter) {
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return NS_ERROR_INVALID_ARG;
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}
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aMajorTypeStart = iter;
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// find major/minor separator ('/')
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while (iter != aEnd_iter && *iter != '/') {
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++iter;
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}
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if (iter == aEnd_iter) {
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return NS_ERROR_INVALID_ARG;
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}
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aMajorTypeEnd = iter;
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// skip '/'
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++iter;
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if (iter == aEnd_iter) {
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return NS_ERROR_INVALID_ARG;
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}
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aMinorTypeStart = iter;
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// find end of minor type, delimited by whitespace or ';'
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while (iter != aEnd_iter && !nsCRT::IsAsciiSpace(*iter) && *iter != ';') {
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++iter;
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}
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aMinorTypeEnd = iter;
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return NS_OK;
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}
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// static
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nsresult
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nsOSHelperAppService::GetFileLocation(const char* aPrefName,
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const char* aEnvVarName,
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PRUnichar** aFileLocation) {
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LOG(("-- GetFileLocation. Pref: '%s' EnvVar: '%s'\n",
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aPrefName,
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aEnvVarName));
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NS_PRECONDITION(aPrefName, "Null pref name passed; don't do that!");
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nsresult rv;
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*aFileLocation = nsnull;
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/* The lookup order is:
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1) user pref
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2) env var
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3) pref
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*/
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nsCOMPtr<nsIPrefService> prefService(do_GetService(NS_PREFSERVICE_CONTRACTID, &rv));
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NS_ENSURE_SUCCESS(rv, rv);
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nsCOMPtr<nsIPrefBranch> prefBranch;
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rv = prefService->GetBranch(nsnull, getter_AddRefs(prefBranch));
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NS_ENSURE_SUCCESS(rv, rv);
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/*
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If we have an env var we should check whether the pref is a user
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pref. If we do not, we don't care.
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*/
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nsCOMPtr<nsISupportsString> prefFileName;
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PRBool isUserPref = PR_FALSE;
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prefBranch->PrefHasUserValue(aPrefName, &isUserPref);
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if (isUserPref) {
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rv = prefBranch->GetComplexValue(aPrefName,
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NS_GET_IID(nsISupportsString),
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getter_AddRefs(prefFileName));
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if (NS_SUCCEEDED(rv)) {
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return prefFileName->ToString(aFileLocation);
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}
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}
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if (aEnvVarName && *aEnvVarName) {
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char* prefValue = PR_GetEnv(aEnvVarName);
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if (prefValue && *prefValue) {
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// the pref is in the system charset and it's a filepath... The
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// natural way to do the charset conversion is by just initing
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// an nsIFile with the native path and asking it for the Unicode
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// version.
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nsCOMPtr<nsILocalFile> file(do_CreateInstance(NS_LOCAL_FILE_CONTRACTID, &rv));
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NS_ENSURE_SUCCESS(rv, rv);
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rv = file->InitWithNativePath(nsDependentCString(prefValue));
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NS_ENSURE_SUCCESS(rv, rv);
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nsAutoString unicodePath;
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rv = file->GetPath(unicodePath);
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NS_ENSURE_SUCCESS(rv, rv);
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*aFileLocation = ToNewUnicode(unicodePath);
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if (!*aFileLocation)
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return NS_ERROR_OUT_OF_MEMORY;
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return NS_OK;
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}
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}
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rv = prefBranch->GetComplexValue(aPrefName,
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NS_GET_IID(nsISupportsString),
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getter_AddRefs(prefFileName));
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if (NS_SUCCEEDED(rv)) {
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return prefFileName->ToString(aFileLocation);
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}
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return rv;
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}
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/* Get the mime.types file names from prefs and look up info in them
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based on extension */
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// static
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nsresult
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nsOSHelperAppService::LookUpTypeAndDescription(const nsAString& aFileExtension,
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nsAString& aMajorType,
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nsAString& aMinorType,
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nsAString& aDescription) {
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LOG(("-- LookUpTypeAndDescription for extension '%s'\n",
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NS_LossyConvertUCS2toASCII(aFileExtension).get()));
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nsresult rv = NS_OK;
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nsXPIDLString mimeFileName;
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rv = GetFileLocation("helpers.private_mime_types_file",
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nsnull,
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getter_Copies(mimeFileName));
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if (NS_SUCCEEDED(rv) && !mimeFileName.IsEmpty()) {
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rv = GetTypeAndDescriptionFromMimetypesFile(mimeFileName,
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aFileExtension,
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aMajorType,
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aMinorType,
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aDescription);
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} else {
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rv = NS_ERROR_NOT_AVAILABLE;
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}
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if (NS_FAILED(rv) || aMajorType.IsEmpty()) {
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rv = GetFileLocation("helpers.global_mime_types_file",
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nsnull,
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getter_Copies(mimeFileName));
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if (NS_SUCCEEDED(rv) && !mimeFileName.IsEmpty()) {
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rv = GetTypeAndDescriptionFromMimetypesFile(mimeFileName,
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aFileExtension,
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aMajorType,
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aMinorType,
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aDescription);
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} else {
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rv = NS_ERROR_NOT_AVAILABLE;
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}
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}
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return rv;
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}
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inline PRBool
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IsNetscapeFormat(const nsAString& aBuffer) {
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NS_NAMED_LITERAL_STRING(netscapeHeader,
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"#--Netscape Communications Corporation MIME Information");
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NS_NAMED_LITERAL_STRING(MCOMHeader, "#--MCOM MIME Information");
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return StringBeginsWith(aBuffer, netscapeHeader) ||
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StringBeginsWith(aBuffer, MCOMHeader);
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}
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/*
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* Create a file stream and line input stream for the filename.
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* Leaves the first line of the file in aBuffer and sets the format to
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* PR_TRUE for netscape files and false for normail ones
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*/
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// static
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nsresult
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nsOSHelperAppService::CreateInputStream(const nsAString& aFilename,
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nsIFileInputStream ** aFileInputStream,
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nsILineInputStream ** aLineInputStream,
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nsAString& aBuffer,
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PRBool * aNetscapeFormat,
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PRBool * aMore) {
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LOG(("-- CreateInputStream"));
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nsresult rv = NS_OK;
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nsCOMPtr<nsILocalFile> file(do_CreateInstance(NS_LOCAL_FILE_CONTRACTID, &rv));
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if (NS_FAILED(rv))
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return rv;
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rv = file->InitWithPath(aFilename);
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if (NS_FAILED(rv))
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return rv;
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nsCOMPtr<nsIFileInputStream> fileStream(do_CreateInstance(NS_LOCALFILEINPUTSTREAM_CONTRACTID, &rv));
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if (NS_FAILED(rv))
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return rv;
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rv = fileStream->Init(file, -1, -1, PR_FALSE);
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if (NS_FAILED(rv))
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return rv;
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nsCOMPtr<nsILineInputStream> lineStream(do_QueryInterface(fileStream, &rv));
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if (NS_FAILED(rv)) {
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LOG(("Interface trouble in stream land!"));
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return rv;
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}
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rv = lineStream->ReadLine(aBuffer, aMore);
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if (NS_FAILED(rv)) {
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fileStream->Close();
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return rv;
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}
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*aNetscapeFormat = IsNetscapeFormat(aBuffer);
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*aFileInputStream = fileStream;
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NS_ADDREF(*aFileInputStream);
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*aLineInputStream = lineStream;
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NS_ADDREF(*aLineInputStream);
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return NS_OK;
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}
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/* Open the file, read the first line, decide what type of file it is,
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then get info based on extension */
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// static
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nsresult
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nsOSHelperAppService::GetTypeAndDescriptionFromMimetypesFile(const nsAString& aFilename,
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const nsAString& aFileExtension,
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nsAString& aMajorType,
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nsAString& aMinorType,
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nsAString& aDescription) {
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LOG(("-- GetTypeAndDescriptionFromMimetypesFile\n"));
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LOG(("Getting type and description from types file '%s'\n",
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NS_LossyConvertUCS2toASCII(aFilename).get()));
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LOG(("Using extension '%s'\n",
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NS_LossyConvertUCS2toASCII(aFileExtension).get()));
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nsresult rv = NS_OK;
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nsCOMPtr<nsIFileInputStream> mimeFile;
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nsCOMPtr<nsILineInputStream> mimeTypes;
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PRBool netscapeFormat;
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nsAutoString buf;
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PRBool more = PR_FALSE;
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rv = CreateInputStream(aFilename, getter_AddRefs(mimeFile), getter_AddRefs(mimeTypes),
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buf, &netscapeFormat, &more);
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if (NS_FAILED(rv)) {
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return rv;
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}
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nsAutoString extensions;
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nsString entry;
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entry.SetCapacity(100);
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nsAString::const_iterator majorTypeStart, majorTypeEnd,
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minorTypeStart, minorTypeEnd,
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descriptionStart, descriptionEnd;
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do {
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// read through, building up an entry. If we finish an entry, check for
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// a match and return out of the loop if we match
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// skip comments and empty lines
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if (!buf.IsEmpty() && buf.First() != '#') {
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entry.Append(buf);
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if (entry.Last() == '\\') {
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entry.Truncate(entry.Length() - 1);
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entry.Append(PRUnichar(' ')); // in case there is no trailing whitespace on this line
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} else { // we have a full entry
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LOG(("Current entry: '%s'\n",
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NS_LossyConvertUCS2toASCII(entry).get()));
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if (netscapeFormat) {
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rv = ParseNetscapeMIMETypesEntry(entry,
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majorTypeStart, majorTypeEnd,
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minorTypeStart, minorTypeEnd,
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extensions,
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descriptionStart, descriptionEnd);
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if (NS_FAILED(rv)) {
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// We sometimes get things like RealPlayer appending
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// "normal" entries to "Netscape" .mime.types files. Try
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// to handle that. Bug 106381.
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LOG(("Bogus entry; trying 'normal' mode\n"));
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rv = ParseNormalMIMETypesEntry(entry,
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majorTypeStart, majorTypeEnd,
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minorTypeStart, minorTypeEnd,
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extensions,
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descriptionStart, descriptionEnd);
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}
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} else {
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rv = ParseNormalMIMETypesEntry(entry,
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majorTypeStart, majorTypeEnd,
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minorTypeStart, minorTypeEnd,
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extensions,
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descriptionStart, descriptionEnd);
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if (NS_FAILED(rv)) {
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// We sometimes get things like StarOffice prepending
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// "normal" entries to "Netscape" .mime.types files. Try
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// to handle that. Bug 136670.
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LOG(("Bogus entry; trying 'Netscape' mode\n"));
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rv = ParseNetscapeMIMETypesEntry(entry,
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majorTypeStart, majorTypeEnd,
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minorTypeStart, minorTypeEnd,
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extensions,
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descriptionStart, descriptionEnd);
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}
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}
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if (NS_SUCCEEDED(rv)) { // entry parses
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nsAString::const_iterator start, end;
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extensions.BeginReading(start);
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extensions.EndReading(end);
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nsAString::const_iterator iter(start);
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while (start != end) {
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FindCharInReadable(',', iter, end);
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if (Substring(start, iter).Equals(aFileExtension,
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nsCaseInsensitiveStringComparator())) {
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// it's a match. Assign the type and description and run
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aMajorType.Assign(Substring(majorTypeStart, majorTypeEnd));
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aMinorType.Assign(Substring(minorTypeStart, minorTypeEnd));
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aDescription.Assign(Substring(descriptionStart, descriptionEnd));
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mimeFile->Close();
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return NS_OK;
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}
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if (iter != end) {
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++iter;
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}
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start = iter;
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}
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} else {
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LOG(("Failed to parse entry: %s\n", NS_LossyConvertUCS2toASCII(entry).get()));
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}
|
|
// truncate the entry for the next iteration
|
|
entry.Truncate();
|
|
}
|
|
}
|
|
if (!more) {
|
|
rv = NS_ERROR_NOT_AVAILABLE;
|
|
break;
|
|
}
|
|
// read the next line
|
|
rv = mimeTypes->ReadLine(buf, &more);
|
|
} while (NS_SUCCEEDED(rv));
|
|
|
|
mimeFile->Close();
|
|
return rv;
|
|
}
|
|
|
|
/* Get the mime.types file names from prefs and look up info in them
|
|
based on mimetype */
|
|
// static
|
|
nsresult
|
|
nsOSHelperAppService::LookUpExtensionsAndDescription(const nsAString& aMajorType,
|
|
const nsAString& aMinorType,
|
|
nsAString& aFileExtensions,
|
|
nsAString& aDescription) {
|
|
LOG(("-- LookUpExtensionsAndDescription for type '%s/%s'\n",
|
|
NS_LossyConvertUCS2toASCII(aMajorType).get(),
|
|
NS_LossyConvertUCS2toASCII(aMinorType).get()));
|
|
nsresult rv = NS_OK;
|
|
nsXPIDLString mimeFileName;
|
|
|
|
rv = GetFileLocation("helpers.private_mime_types_file",
|
|
nsnull,
|
|
getter_Copies(mimeFileName));
|
|
if (NS_SUCCEEDED(rv) && !mimeFileName.IsEmpty()) {
|
|
rv = GetExtensionsAndDescriptionFromMimetypesFile(mimeFileName,
|
|
aMajorType,
|
|
aMinorType,
|
|
aFileExtensions,
|
|
aDescription);
|
|
} else {
|
|
rv = NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
if (NS_FAILED(rv) || aFileExtensions.IsEmpty()) {
|
|
rv = GetFileLocation("helpers.global_mime_types_file",
|
|
nsnull,
|
|
getter_Copies(mimeFileName));
|
|
if (NS_SUCCEEDED(rv) && !mimeFileName.IsEmpty()) {
|
|
rv = GetExtensionsAndDescriptionFromMimetypesFile(mimeFileName,
|
|
aMajorType,
|
|
aMinorType,
|
|
aFileExtensions,
|
|
aDescription);
|
|
} else {
|
|
rv = NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
/* Open the file, read the first line, decide what type of file it is,
|
|
then get info based on extension */
|
|
// static
|
|
nsresult
|
|
nsOSHelperAppService::GetExtensionsAndDescriptionFromMimetypesFile(const nsAString& aFilename,
|
|
const nsAString& aMajorType,
|
|
const nsAString& aMinorType,
|
|
nsAString& aFileExtensions,
|
|
nsAString& aDescription) {
|
|
LOG(("-- GetExtensionsAndDescriptionFromMimetypesFile\n"));
|
|
LOG(("Getting extensions and description from types file '%s'\n",
|
|
NS_LossyConvertUCS2toASCII(aFilename).get()));
|
|
LOG(("Using type '%s/%s'\n",
|
|
NS_LossyConvertUCS2toASCII(aMajorType).get(),
|
|
NS_LossyConvertUCS2toASCII(aMinorType).get()));
|
|
|
|
nsresult rv = NS_OK;
|
|
nsCOMPtr<nsIFileInputStream> mimeFile;
|
|
nsCOMPtr<nsILineInputStream> mimeTypes;
|
|
PRBool netscapeFormat;
|
|
nsAutoString buf;
|
|
PRBool more = PR_FALSE;
|
|
rv = CreateInputStream(aFilename, getter_AddRefs(mimeFile), getter_AddRefs(mimeTypes),
|
|
buf, &netscapeFormat, &more);
|
|
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
nsAutoString extensions;
|
|
nsString entry;
|
|
entry.SetCapacity(100);
|
|
nsAString::const_iterator majorTypeStart, majorTypeEnd,
|
|
minorTypeStart, minorTypeEnd,
|
|
descriptionStart, descriptionEnd;
|
|
|
|
do {
|
|
// read through, building up an entry. If we finish an entry, check for
|
|
// a match and return out of the loop if we match
|
|
|
|
// skip comments and empty lines
|
|
if (!buf.IsEmpty() && buf.First() != '#') {
|
|
entry.Append(buf);
|
|
if (entry.Last() == '\\') {
|
|
entry.Truncate(entry.Length() - 1);
|
|
entry.Append(PRUnichar(' ')); // in case there is no trailing whitespace on this line
|
|
} else { // we have a full entry
|
|
LOG(("Current entry: '%s'\n",
|
|
NS_LossyConvertUCS2toASCII(entry).get()));
|
|
if (netscapeFormat) {
|
|
rv = ParseNetscapeMIMETypesEntry(entry,
|
|
majorTypeStart, majorTypeEnd,
|
|
minorTypeStart, minorTypeEnd,
|
|
extensions,
|
|
descriptionStart, descriptionEnd);
|
|
|
|
if (NS_FAILED(rv)) {
|
|
// We sometimes get things like RealPlayer appending
|
|
// "normal" entries to "Netscape" .mime.types files. Try
|
|
// to handle that. Bug 106381.
|
|
LOG(("Bogus entry; trying 'normal' mode\n"));
|
|
rv = ParseNormalMIMETypesEntry(entry,
|
|
majorTypeStart, majorTypeEnd,
|
|
minorTypeStart, minorTypeEnd,
|
|
extensions,
|
|
descriptionStart, descriptionEnd);
|
|
}
|
|
} else {
|
|
rv = ParseNormalMIMETypesEntry(entry,
|
|
majorTypeStart, majorTypeEnd,
|
|
minorTypeStart,
|
|
minorTypeEnd, extensions,
|
|
descriptionStart, descriptionEnd);
|
|
|
|
if (NS_FAILED(rv)) {
|
|
// We sometimes get things like StarOffice prepending
|
|
// "normal" entries to "Netscape" .mime.types files. Try
|
|
// to handle that. Bug 136670.
|
|
LOG(("Bogus entry; trying 'Netscape' mode\n"));
|
|
rv = ParseNetscapeMIMETypesEntry(entry,
|
|
majorTypeStart, majorTypeEnd,
|
|
minorTypeStart, minorTypeEnd,
|
|
extensions,
|
|
descriptionStart, descriptionEnd);
|
|
}
|
|
}
|
|
|
|
if (NS_SUCCEEDED(rv) &&
|
|
Substring(majorTypeStart,
|
|
majorTypeEnd).Equals(aMajorType,
|
|
nsCaseInsensitiveStringComparator())&&
|
|
Substring(minorTypeStart,
|
|
minorTypeEnd).Equals(aMinorType,
|
|
nsCaseInsensitiveStringComparator())) {
|
|
// it's a match
|
|
aFileExtensions.Assign(extensions);
|
|
aDescription.Assign(Substring(descriptionStart, descriptionEnd));
|
|
mimeFile->Close();
|
|
return NS_OK;
|
|
} else if (NS_FAILED(rv)) {
|
|
LOG(("Failed to parse entry: %s\n", NS_LossyConvertUCS2toASCII(entry).get()));
|
|
}
|
|
|
|
entry.Truncate();
|
|
}
|
|
}
|
|
if (!more) {
|
|
rv = NS_ERROR_NOT_AVAILABLE;
|
|
break;
|
|
}
|
|
// read the next line
|
|
rv = mimeTypes->ReadLine(buf, &more);
|
|
} while (NS_SUCCEEDED(rv));
|
|
|
|
mimeFile->Close();
|
|
return rv;
|
|
}
|
|
|
|
/*
|
|
* This parses a Netscape format mime.types entry. There are two
|
|
* possible formats:
|
|
*
|
|
* type=foo/bar; options exts="baz" description="Some type"
|
|
*
|
|
* and
|
|
*
|
|
* type=foo/bar; options description="Some type" exts="baz"
|
|
*/
|
|
// static
|
|
nsresult
|
|
nsOSHelperAppService::ParseNetscapeMIMETypesEntry(const nsAString& aEntry,
|
|
nsAString::const_iterator& aMajorTypeStart,
|
|
nsAString::const_iterator& aMajorTypeEnd,
|
|
nsAString::const_iterator& aMinorTypeStart,
|
|
nsAString::const_iterator& aMinorTypeEnd,
|
|
nsAString& aExtensions,
|
|
nsAString::const_iterator& aDescriptionStart,
|
|
nsAString::const_iterator& aDescriptionEnd) {
|
|
LOG(("-- ParseNetscapeMIMETypesEntry\n"));
|
|
NS_ASSERTION(!aEntry.IsEmpty(), "Empty Netscape MIME types entry being parsed.");
|
|
|
|
nsAString::const_iterator start_iter, end_iter, match_start, match_end;
|
|
|
|
aEntry.BeginReading(start_iter);
|
|
aEntry.EndReading(end_iter);
|
|
|
|
// skip trailing whitespace
|
|
do {
|
|
--end_iter;
|
|
} while (end_iter != start_iter &&
|
|
nsCRT::IsAsciiSpace(*end_iter));
|
|
// if we're pointing to a quote, don't advance -- we don't want to
|
|
// include the quote....
|
|
if (*end_iter != '"')
|
|
++end_iter;
|
|
match_start = start_iter;
|
|
match_end = end_iter;
|
|
|
|
// Get the major and minor types
|
|
// First the major type
|
|
if (! FindInReadable(NS_LITERAL_STRING("type="), match_start, match_end)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
match_start = match_end;
|
|
|
|
while (match_end != end_iter &&
|
|
*match_end != '/') {
|
|
++match_end;
|
|
}
|
|
if (match_end == end_iter) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
aMajorTypeStart = match_start;
|
|
aMajorTypeEnd = match_end;
|
|
|
|
// now the minor type
|
|
if (++match_end == end_iter) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
match_start = match_end;
|
|
|
|
while (match_end != end_iter &&
|
|
!nsCRT::IsAsciiSpace(*match_end) &&
|
|
*match_end != ';') {
|
|
++match_end;
|
|
}
|
|
if (match_end == end_iter) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
aMinorTypeStart = match_start;
|
|
aMinorTypeEnd = match_end;
|
|
|
|
// ignore everything up to the end of the mime type from here on
|
|
start_iter = match_end;
|
|
|
|
// get the extensions
|
|
match_start = match_end;
|
|
match_end = end_iter;
|
|
if (FindInReadable(NS_LITERAL_STRING("exts="), match_start, match_end)) {
|
|
nsAString::const_iterator extStart, extEnd;
|
|
|
|
if (match_end == end_iter ||
|
|
(*match_end == '"' && ++match_end == end_iter)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
extStart = match_end;
|
|
match_start = extStart;
|
|
match_end = end_iter;
|
|
if (FindInReadable(NS_LITERAL_STRING("desc=\""), match_start, match_end)) {
|
|
// exts= before desc=, so we have to find the actual end of the extensions
|
|
extEnd = match_start;
|
|
if (extEnd == extStart) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
do {
|
|
--extEnd;
|
|
} while (extEnd != extStart &&
|
|
nsCRT::IsAsciiSpace(*extEnd));
|
|
|
|
if (extEnd != extStart && *extEnd == '"') {
|
|
--extEnd;
|
|
}
|
|
} else {
|
|
// desc= before exts=, so we can use end_iter as the end of the extensions
|
|
extEnd = end_iter;
|
|
}
|
|
aExtensions = Substring(extStart, extEnd);
|
|
} else {
|
|
// no extensions
|
|
aExtensions.Truncate();
|
|
}
|
|
|
|
// get the description
|
|
match_start = start_iter;
|
|
match_end = end_iter;
|
|
if (FindInReadable(NS_LITERAL_STRING("desc=\""), match_start, match_end)) {
|
|
aDescriptionStart = match_end;
|
|
match_start = aDescriptionStart;
|
|
match_end = end_iter;
|
|
if (FindInReadable(NS_LITERAL_STRING("exts="), match_start, match_end)) {
|
|
// exts= after desc=, so have to find actual end of description
|
|
aDescriptionEnd = match_start;
|
|
if (aDescriptionEnd == aDescriptionStart) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
do {
|
|
--aDescriptionEnd;
|
|
} while (aDescriptionEnd != aDescriptionStart &&
|
|
nsCRT::IsAsciiSpace(*aDescriptionEnd));
|
|
|
|
if (aDescriptionStart != aDescriptionStart && *aDescriptionEnd == '"') {
|
|
--aDescriptionEnd;
|
|
}
|
|
} else {
|
|
// desc= after exts=, so use end_iter for the description end
|
|
aDescriptionEnd = end_iter;
|
|
}
|
|
} else {
|
|
// no description
|
|
aDescriptionStart = start_iter;
|
|
aDescriptionEnd = start_iter;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
/*
|
|
* This parses a normal format mime.types entry. The format is:
|
|
*
|
|
* major/minor ext1 ext2 ext3
|
|
*/
|
|
// static
|
|
nsresult
|
|
nsOSHelperAppService::ParseNormalMIMETypesEntry(const nsAString& aEntry,
|
|
nsAString::const_iterator& aMajorTypeStart,
|
|
nsAString::const_iterator& aMajorTypeEnd,
|
|
nsAString::const_iterator& aMinorTypeStart,
|
|
nsAString::const_iterator& aMinorTypeEnd,
|
|
nsAString& aExtensions,
|
|
nsAString::const_iterator& aDescriptionStart,
|
|
nsAString::const_iterator& aDescriptionEnd) {
|
|
LOG(("-- ParseNormalMIMETypesEntry\n"));
|
|
NS_ASSERTION(!aEntry.IsEmpty(), "Empty Normal MIME types entry being parsed.");
|
|
|
|
nsAString::const_iterator start_iter, end_iter, iter;
|
|
|
|
aEntry.BeginReading(start_iter);
|
|
aEntry.EndReading(end_iter);
|
|
|
|
// no description
|
|
aDescriptionStart = start_iter;
|
|
aDescriptionEnd = start_iter;
|
|
|
|
// skip leading whitespace
|
|
while (start_iter != end_iter && nsCRT::IsAsciiSpace(*start_iter)) {
|
|
++start_iter;
|
|
}
|
|
if (start_iter == end_iter) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
// skip trailing whitespace
|
|
do {
|
|
--end_iter;
|
|
} while (end_iter != start_iter && nsCRT::IsAsciiSpace(*end_iter));
|
|
|
|
++end_iter; // point to first whitespace char (or to end of string)
|
|
iter = start_iter;
|
|
|
|
// get the major type
|
|
if (! FindCharInReadable('/', iter, end_iter))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsAString::const_iterator equals_sign_iter(start_iter);
|
|
if (FindCharInReadable('=', equals_sign_iter, iter))
|
|
return NS_ERROR_FAILURE; // see bug 136670
|
|
|
|
aMajorTypeStart = start_iter;
|
|
aMajorTypeEnd = iter;
|
|
|
|
// get the minor type
|
|
if (++iter == end_iter) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
start_iter = iter;
|
|
|
|
while (iter != end_iter && !nsCRT::IsAsciiSpace(*iter)) {
|
|
++iter;
|
|
}
|
|
aMinorTypeStart = start_iter;
|
|
aMinorTypeEnd = iter;
|
|
|
|
// get the extensions
|
|
aExtensions.Truncate();
|
|
while (iter != end_iter) {
|
|
while (iter != end_iter && nsCRT::IsAsciiSpace(*iter)) {
|
|
++iter;
|
|
}
|
|
|
|
start_iter = iter;
|
|
while (iter != end_iter && !nsCRT::IsAsciiSpace(*iter)) {
|
|
++iter;
|
|
}
|
|
aExtensions.Append(Substring(start_iter, iter));
|
|
if (iter != end_iter) { // not the last extension
|
|
aExtensions.Append(PRUnichar(','));
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
// static
|
|
nsresult
|
|
nsOSHelperAppService::LookUpHandlerAndDescription(const nsAString& aMajorType,
|
|
const nsAString& aMinorType,
|
|
nsHashtable& aTypeOptions,
|
|
nsAString& aHandler,
|
|
nsAString& aDescription,
|
|
nsAString& aMozillaFlags) {
|
|
|
|
/*
|
|
* The mailcap lookup is two-pass to handle the case of mailcap files
|
|
* that have something like:
|
|
*
|
|
* text/*; emacs %s
|
|
* text/rtf; soffice %s
|
|
*
|
|
* in that order. We want to pick up "soffice" for text/rtf in such cases
|
|
*/
|
|
nsresult rv = DoLookUpHandlerAndDescription(aMajorType,
|
|
aMinorType,
|
|
aTypeOptions,
|
|
aHandler,
|
|
aDescription,
|
|
aMozillaFlags);
|
|
if (NS_FAILED(rv)) {
|
|
// maybe we have an entry for "aMajorType/*"?
|
|
rv = DoLookUpHandlerAndDescription(aMajorType,
|
|
NS_LITERAL_STRING("*"),
|
|
aTypeOptions,
|
|
aHandler,
|
|
aDescription,
|
|
aMozillaFlags);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
// static
|
|
nsresult
|
|
nsOSHelperAppService::DoLookUpHandlerAndDescription(const nsAString& aMajorType,
|
|
const nsAString& aMinorType,
|
|
nsHashtable& aTypeOptions,
|
|
nsAString& aHandler,
|
|
nsAString& aDescription,
|
|
nsAString& aMozillaFlags) {
|
|
LOG(("-- LookUpHandlerAndDescription for type '%s/%s'\n",
|
|
NS_LossyConvertUCS2toASCII(aMajorType).get(),
|
|
NS_LossyConvertUCS2toASCII(aMinorType).get()));
|
|
nsresult rv = NS_OK;
|
|
nsXPIDLString mailcapFileName;
|
|
|
|
rv = GetFileLocation("helpers.private_mailcap_file",
|
|
"PERSONAL_MAILCAP",
|
|
getter_Copies(mailcapFileName));
|
|
if (NS_SUCCEEDED(rv) && !mailcapFileName.IsEmpty()) {
|
|
rv = GetHandlerAndDescriptionFromMailcapFile(mailcapFileName,
|
|
aMajorType,
|
|
aMinorType,
|
|
aTypeOptions,
|
|
aHandler,
|
|
aDescription,
|
|
aMozillaFlags);
|
|
} else {
|
|
rv = NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
if (NS_FAILED(rv) || aHandler.IsEmpty()) {
|
|
rv = GetFileLocation("helpers.global_mailcap_file",
|
|
"MAILCAP",
|
|
getter_Copies(mailcapFileName));
|
|
if (NS_SUCCEEDED(rv) && !mailcapFileName.IsEmpty()) {
|
|
rv = GetHandlerAndDescriptionFromMailcapFile(mailcapFileName,
|
|
aMajorType,
|
|
aMinorType,
|
|
aTypeOptions,
|
|
aHandler,
|
|
aDescription,
|
|
aMozillaFlags);
|
|
} else {
|
|
rv = NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
// static
|
|
nsresult
|
|
nsOSHelperAppService::GetHandlerAndDescriptionFromMailcapFile(const nsAString& aFilename,
|
|
const nsAString& aMajorType,
|
|
const nsAString& aMinorType,
|
|
nsHashtable& aTypeOptions,
|
|
nsAString& aHandler,
|
|
nsAString& aDescription,
|
|
nsAString& aMozillaFlags) {
|
|
|
|
LOG(("-- GetHandlerAndDescriptionFromMailcapFile\n"));
|
|
LOG(("Getting handler and description from mailcap file '%s'\n",
|
|
NS_LossyConvertUCS2toASCII(aFilename).get()));
|
|
LOG(("Using type '%s/%s'\n",
|
|
NS_LossyConvertUCS2toASCII(aMajorType).get(),
|
|
NS_LossyConvertUCS2toASCII(aMinorType).get()));
|
|
|
|
nsresult rv = NS_OK;
|
|
PRBool more = PR_FALSE;
|
|
|
|
nsCOMPtr<nsILocalFile> file(do_CreateInstance(NS_LOCAL_FILE_CONTRACTID, &rv));
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
rv = file->InitWithPath(aFilename);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
nsCOMPtr<nsIFileInputStream> mailcapFile(do_CreateInstance(NS_LOCALFILEINPUTSTREAM_CONTRACTID, &rv));
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
rv = mailcapFile->Init(file, -1, -1, PR_FALSE);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
nsCOMPtr<nsILineInputStream> mailcap (do_QueryInterface(mailcapFile, &rv));
|
|
|
|
if (NS_FAILED(rv)) {
|
|
LOG(("Interface trouble in stream land!"));
|
|
return rv;
|
|
}
|
|
|
|
nsString entry, buffer;
|
|
entry.SetCapacity(128);
|
|
buffer.SetCapacity(80);
|
|
rv = mailcap->ReadLine(buffer, &more);
|
|
if (NS_FAILED(rv)) {
|
|
mailcapFile->Close();
|
|
return rv;
|
|
}
|
|
|
|
do { // return on end-of-file in the loop
|
|
|
|
if (!buffer.IsEmpty() && buffer.First() != '#') {
|
|
entry.Append(buffer);
|
|
if (entry.Last() == '\\') { // entry continues on next line
|
|
entry.Truncate(entry.Length()-1);
|
|
entry.Append(PRUnichar(' ')); // in case there is no trailing whitespace on this line
|
|
} else { // we have a full entry in entry. Check it for the type
|
|
LOG(("Current entry: '%s'\n",
|
|
NS_LossyConvertUCS2toASCII(entry).get()));
|
|
|
|
nsAString::const_iterator semicolon_iter,
|
|
start_iter, end_iter,
|
|
majorTypeStart, majorTypeEnd,
|
|
minorTypeStart, minorTypeEnd;
|
|
entry.BeginReading(start_iter);
|
|
entry.EndReading(end_iter);
|
|
semicolon_iter = start_iter;
|
|
FindSemicolon(semicolon_iter, end_iter);
|
|
if (semicolon_iter != end_iter) { // we have something resembling a valid entry
|
|
rv = ParseMIMEType(start_iter, majorTypeStart, majorTypeEnd,
|
|
minorTypeStart, minorTypeEnd, semicolon_iter);
|
|
if (NS_SUCCEEDED(rv) &&
|
|
Substring(majorTypeStart,
|
|
majorTypeEnd).Equals(aMajorType,
|
|
nsCaseInsensitiveStringComparator()) &&
|
|
Substring(minorTypeStart,
|
|
minorTypeEnd).Equals(aMinorType,
|
|
nsCaseInsensitiveStringComparator())) { // we have a match
|
|
PRBool match = PR_TRUE;
|
|
++semicolon_iter; // point at the first char past the semicolon
|
|
start_iter = semicolon_iter; // handler string starts here
|
|
FindSemicolon(semicolon_iter, end_iter);
|
|
while (start_iter != semicolon_iter &&
|
|
nsCRT::IsAsciiSpace(*start_iter)) {
|
|
++start_iter;
|
|
}
|
|
|
|
LOG(("The real handler is: '%s'\n",
|
|
NS_LossyConvertUCS2toASCII(Substring(start_iter,
|
|
semicolon_iter)).get()));
|
|
|
|
// XXX ugly hack. Just grab the executable name
|
|
nsAString::const_iterator end_handler_iter = semicolon_iter;
|
|
nsAString::const_iterator end_executable_iter = start_iter;
|
|
while (end_executable_iter != end_handler_iter &&
|
|
!nsCRT::IsAsciiSpace(*end_executable_iter)) {
|
|
++end_executable_iter;
|
|
}
|
|
// XXX End ugly hack
|
|
|
|
aHandler = Substring(start_iter, end_executable_iter);
|
|
|
|
nsAString::const_iterator start_option_iter, end_optionname_iter, equal_sign_iter;
|
|
PRBool equalSignFound;
|
|
while (match &&
|
|
semicolon_iter != end_iter &&
|
|
++semicolon_iter != end_iter) { // there are options left and we still match
|
|
start_option_iter = semicolon_iter;
|
|
// skip over leading whitespace
|
|
while (start_option_iter != end_iter &&
|
|
nsCRT::IsAsciiSpace(*start_option_iter)) {
|
|
++start_option_iter;
|
|
}
|
|
if (start_option_iter == end_iter) { // nothing actually here
|
|
break;
|
|
}
|
|
semicolon_iter = start_option_iter;
|
|
FindSemicolon(semicolon_iter, end_iter);
|
|
equal_sign_iter = start_option_iter;
|
|
equalSignFound = PR_FALSE;
|
|
while (equal_sign_iter != semicolon_iter && !equalSignFound) {
|
|
switch(*equal_sign_iter) {
|
|
case '\\':
|
|
equal_sign_iter.advance(2);
|
|
break;
|
|
case '=':
|
|
equalSignFound = PR_TRUE;
|
|
break;
|
|
default:
|
|
++equal_sign_iter;
|
|
break;
|
|
}
|
|
}
|
|
end_optionname_iter = start_option_iter;
|
|
// find end of option name
|
|
while (end_optionname_iter != equal_sign_iter &&
|
|
!nsCRT::IsAsciiSpace(*end_optionname_iter)) {
|
|
++end_optionname_iter;
|
|
}
|
|
nsDependentSubstring optionName(start_option_iter, end_optionname_iter);
|
|
if (equalSignFound) {
|
|
// This is an option that has a name and value
|
|
if (optionName.Equals(NS_LITERAL_STRING("description"))) {
|
|
aDescription = Substring(++equal_sign_iter, semicolon_iter);
|
|
} else if (optionName.Equals(NS_LITERAL_STRING("x-mozilla-flags"))) {
|
|
aMozillaFlags = Substring(++equal_sign_iter, semicolon_iter);
|
|
} else if (optionName.Equals(NS_LITERAL_STRING("test"))) {
|
|
nsCAutoString testCommand;
|
|
rv = UnescapeCommand(Substring(++equal_sign_iter, semicolon_iter),
|
|
aMajorType,
|
|
aMinorType,
|
|
aTypeOptions,
|
|
testCommand);
|
|
LOG(("Running Test: %s\n", testCommand.get()));
|
|
// XXX this should not use system(), since that can block the UI thread!
|
|
if (NS_SUCCEEDED(rv) && system(testCommand.get()) != 0) {
|
|
match = PR_FALSE;
|
|
}
|
|
}
|
|
} else {
|
|
// This is an option that just has a name but no value (eg "copiousoutput")
|
|
}
|
|
}
|
|
|
|
|
|
if (match) { // we did not fail any test clauses; all is good
|
|
// get out of here
|
|
mailcapFile->Close();
|
|
return NS_OK;
|
|
} else { // pretend that this match never happened
|
|
aDescription.Truncate();
|
|
aMozillaFlags.Truncate();
|
|
aHandler.Truncate();
|
|
}
|
|
}
|
|
}
|
|
// zero out the entry for the next cycle
|
|
entry.Truncate();
|
|
}
|
|
}
|
|
if (!more) {
|
|
rv = NS_ERROR_NOT_AVAILABLE;
|
|
break;
|
|
}
|
|
rv = mailcap->ReadLine(buffer, &more);
|
|
} while (NS_SUCCEEDED(rv));
|
|
mailcapFile->Close();
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP nsOSHelperAppService::ExternalProtocolHandlerExists(const char * aProtocolScheme, PRBool * aHandlerExists)
|
|
{
|
|
LOG(("-- nsOSHelperAppService::ExternalProtocolHandlerExists for '%s'\n",
|
|
aProtocolScheme));
|
|
// look up the protocol scheme in the windows registry....if we find a match then we have a handler for it...
|
|
*aHandlerExists = PR_FALSE;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP nsOSHelperAppService::LoadUrl(nsIURI * aURL)
|
|
{
|
|
LOG(("-- nsOSHelperAppService::LoadUrl\n"));
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
nsresult nsOSHelperAppService::GetFileTokenForPath(const PRUnichar * platformAppPath, nsIFile ** aFile)
|
|
{
|
|
LOG(("-- nsOSHelperAppService::GetFileTokenForPath: '%s'\n",
|
|
NS_LossyConvertUCS2toASCII(platformAppPath).get()));
|
|
if (! *platformAppPath) { // empty filename--return error
|
|
NS_WARNING("Empty filename passed in.");
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
nsCOMPtr<nsILocalFile> localFile (do_CreateInstance(NS_LOCAL_FILE_CONTRACTID));
|
|
nsresult rv;
|
|
|
|
if (!localFile) return NS_ERROR_NOT_INITIALIZED;
|
|
|
|
// first check if this is a full path
|
|
PRBool exists = PR_FALSE;
|
|
if (*platformAppPath == '/') {
|
|
localFile->InitWithPath(nsDependentString(platformAppPath));
|
|
localFile->Exists(&exists);
|
|
} else {
|
|
|
|
// ugly hack. Walk the PATH variable...
|
|
char* unixpath = PR_GetEnv("PATH");
|
|
nsCAutoString path(unixpath);
|
|
nsACString::const_iterator start_iter, end_iter, colon_iter;
|
|
|
|
path.BeginReading(start_iter);
|
|
colon_iter = start_iter;
|
|
path.EndReading(end_iter);
|
|
|
|
while (start_iter != end_iter && !exists) {
|
|
while (colon_iter != end_iter && *colon_iter != ':') {
|
|
++colon_iter;
|
|
}
|
|
// XXX provided the string code has all it's bugs fixed, we should be able to
|
|
// remove this PromiseFlatCString call.
|
|
localFile->InitWithNativePath(PromiseFlatCString(Substring(start_iter, colon_iter)));
|
|
rv = localFile->AppendRelativePath(nsDependentString(platformAppPath));
|
|
if (NS_SUCCEEDED(rv)) {
|
|
localFile->Exists(&exists);
|
|
if (!exists) {
|
|
if (colon_iter == end_iter) {
|
|
break;
|
|
}
|
|
++colon_iter;
|
|
start_iter = colon_iter;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (exists) {
|
|
rv = NS_OK;
|
|
} else {
|
|
rv = NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
*aFile = localFile;
|
|
NS_IF_ADDREF(*aFile);
|
|
|
|
return rv;
|
|
}
|
|
|
|
already_AddRefed<nsIMIMEInfo>
|
|
nsOSHelperAppService::GetFromExtension(const char *aFileExt) {
|
|
// if the extension is null, return immediately
|
|
if (!aFileExt || !*aFileExt)
|
|
return nsnull;
|
|
|
|
LOG(("Here we do an extension lookup for '%s'\n", aFileExt));
|
|
|
|
nsAutoString mimeType, majorType, minorType,
|
|
mime_types_description, mailcap_description,
|
|
handler, mozillaFlags;
|
|
|
|
nsresult rv = LookUpTypeAndDescription(NS_ConvertUTF8toUCS2(aFileExt),
|
|
majorType,
|
|
minorType,
|
|
mime_types_description);
|
|
if (NS_FAILED(rv))
|
|
return nsnull;
|
|
|
|
LOG(("Type/Description results: majorType='%s', minorType='%s', description='%s'\n",
|
|
NS_LossyConvertUCS2toASCII(majorType).get(),
|
|
NS_LossyConvertUCS2toASCII(minorType).get(),
|
|
NS_LossyConvertUCS2toASCII(mime_types_description).get()));
|
|
|
|
if (majorType.IsEmpty() && minorType.IsEmpty()) {
|
|
// we didn't get a type mapping, so we can't do anything useful
|
|
return nsnull;
|
|
}
|
|
|
|
nsIMIMEInfo* mimeInfo = nsnull;
|
|
rv = CallCreateInstance(NS_MIMEINFO_CONTRACTID, &mimeInfo);
|
|
if (NS_FAILED(rv))
|
|
return nsnull;
|
|
|
|
mimeType = majorType + NS_LITERAL_STRING("/") + minorType;
|
|
mimeInfo->SetMIMEType(NS_ConvertUCS2toUTF8(mimeType).get());
|
|
mimeInfo->AppendExtension(aFileExt);
|
|
nsHashtable typeOptions; // empty hash table
|
|
rv = LookUpHandlerAndDescription(majorType, minorType, typeOptions,
|
|
handler, mailcap_description,
|
|
mozillaFlags);
|
|
LOG(("Handler/Description results: handler='%s', description='%s', mozillaFlags='%s'\n",
|
|
NS_LossyConvertUCS2toASCII(handler).get(),
|
|
NS_LossyConvertUCS2toASCII(mailcap_description).get(),
|
|
NS_LossyConvertUCS2toASCII(mozillaFlags).get()));
|
|
mailcap_description.Trim(" \t\"");
|
|
mozillaFlags.Trim(" \t");
|
|
if (!mime_types_description.IsEmpty()) {
|
|
mimeInfo->SetDescription(mime_types_description.get());
|
|
} else {
|
|
mimeInfo->SetDescription(mailcap_description.get());
|
|
}
|
|
|
|
if (NS_SUCCEEDED(rv) && handler.IsEmpty()) {
|
|
rv = NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
if (NS_SUCCEEDED(rv)) {
|
|
nsCOMPtr<nsIFile> handlerFile;
|
|
rv = GetFileTokenForPath(handler.get(), getter_AddRefs(handlerFile));
|
|
|
|
if (NS_SUCCEEDED(rv)) {
|
|
mimeInfo->SetDefaultApplicationHandler(handlerFile);
|
|
mimeInfo->SetPreferredAction(nsIMIMEInfo::useSystemDefault);
|
|
mimeInfo->SetDefaultDescription(handler.get());
|
|
}
|
|
}
|
|
|
|
if (NS_FAILED(rv)) {
|
|
mimeInfo->SetPreferredAction(nsIMIMEInfo::saveToDisk);
|
|
}
|
|
|
|
return mimeInfo;
|
|
}
|
|
|
|
already_AddRefed<nsIMIMEInfo>
|
|
nsOSHelperAppService::GetFromType(const char *aMIMEType) {
|
|
// if the type is null, return immediately
|
|
if (!aMIMEType || !*aMIMEType)
|
|
return nsnull;
|
|
|
|
LOG(("Here we do a mimetype lookup for '%s'\n", aMIMEType));
|
|
// extract the major and minor types
|
|
NS_ConvertASCIItoUTF16 mimeType(aMIMEType);
|
|
nsAString::const_iterator start_iter, end_iter,
|
|
majorTypeStart, majorTypeEnd,
|
|
minorTypeStart, minorTypeEnd;
|
|
|
|
mimeType.BeginReading(start_iter);
|
|
mimeType.EndReading(end_iter);
|
|
|
|
// XXX FIXME: add typeOptions parsing in here
|
|
nsHashtable typeOptions;
|
|
nsresult rv = ParseMIMEType(start_iter, majorTypeStart, majorTypeEnd,
|
|
minorTypeStart, minorTypeEnd, end_iter);
|
|
|
|
if (NS_FAILED(rv)) {
|
|
return nsnull;
|
|
}
|
|
|
|
nsAutoString mailcap_description, handler, mozillaFlags;
|
|
|
|
nsDependentSubstring majorType(majorTypeStart, majorTypeEnd);
|
|
nsDependentSubstring minorType(minorTypeStart, minorTypeEnd);
|
|
LookUpHandlerAndDescription(majorType,
|
|
minorType,
|
|
typeOptions,
|
|
handler,
|
|
mailcap_description,
|
|
mozillaFlags);
|
|
LOG(("Handler/Description results: handler='%s', description='%s', mozillaFlags='%s'\n",
|
|
NS_LossyConvertUCS2toASCII(handler).get(),
|
|
NS_LossyConvertUCS2toASCII(mailcap_description).get(),
|
|
NS_LossyConvertUCS2toASCII(mozillaFlags).get()));
|
|
|
|
mailcap_description.Trim(" \t\"");
|
|
mozillaFlags.Trim(" \t");
|
|
|
|
nsAutoString extensions, mime_types_description;
|
|
LookUpExtensionsAndDescription(majorType,
|
|
minorType,
|
|
extensions,
|
|
mime_types_description);
|
|
|
|
if (handler.IsEmpty() && extensions.IsEmpty() &&
|
|
mailcap_description.IsEmpty() && mime_types_description.IsEmpty()) {
|
|
// No real useful info
|
|
return nsnull;
|
|
}
|
|
|
|
nsIMIMEInfo* mimeInfo = nsnull;
|
|
rv = CallCreateInstance(NS_MIMEINFO_CONTRACTID, &mimeInfo);
|
|
if (NS_FAILED(rv))
|
|
return nsnull;
|
|
|
|
mimeInfo->SetFileExtensions(NS_ConvertUCS2toUTF8(extensions).get());
|
|
mimeInfo->SetMIMEType(aMIMEType);
|
|
if (! mime_types_description.IsEmpty()) {
|
|
mimeInfo->SetDescription(mime_types_description.get());
|
|
} else {
|
|
mimeInfo->SetDescription(mailcap_description.get());
|
|
}
|
|
|
|
rv = NS_ERROR_NOT_AVAILABLE;
|
|
nsCOMPtr<nsIFile> handlerFile;
|
|
if (!handler.IsEmpty()) {
|
|
rv = GetFileTokenForPath(handler.get(), getter_AddRefs(handlerFile));
|
|
}
|
|
|
|
if (NS_SUCCEEDED(rv)) {
|
|
mimeInfo->SetDefaultApplicationHandler(handlerFile);
|
|
mimeInfo->SetPreferredAction(nsIMIMEInfo::useSystemDefault);
|
|
mimeInfo->SetDefaultDescription(handler.get());
|
|
} else {
|
|
mimeInfo->SetPreferredAction(nsIMIMEInfo::saveToDisk);
|
|
}
|
|
|
|
return mimeInfo;
|
|
}
|
|
|
|
|
|
already_AddRefed<nsIMIMEInfo>
|
|
nsOSHelperAppService::GetMIMEInfoFromOS(const char *aType,
|
|
const char *aFileExt) {
|
|
nsIMIMEInfo* retval = GetFromType(aType).get();
|
|
PRBool hasDefault = PR_FALSE;
|
|
if (retval)
|
|
retval->GetHasDefaultHandler(&hasDefault);
|
|
if (!retval || !hasDefault) {
|
|
nsCOMPtr<nsIMIMEInfo> miByExt = GetFromExtension(aFileExt);
|
|
if (!miByExt)
|
|
return retval;
|
|
if (!retval) {
|
|
if (aType)
|
|
miByExt->SetMIMEType(aType);
|
|
miByExt.swap(retval);
|
|
return retval;
|
|
}
|
|
|
|
// Copy default handler
|
|
nsCOMPtr<nsIFile> defaultHandler;
|
|
nsXPIDLString desc;
|
|
miByExt->GetDefaultApplicationHandler(getter_AddRefs(defaultHandler));
|
|
miByExt->GetDefaultDescription(getter_Copies(desc));
|
|
|
|
retval->SetDefaultApplicationHandler(defaultHandler);
|
|
retval->SetDefaultDescription(desc.get());
|
|
}
|
|
return retval;
|
|
}
|
|
|