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-rw-r--r--community/xulrunner-oss/port_gnomevfs_to_gio.patch1316
1 files changed, 1316 insertions, 0 deletions
diff --git a/community/xulrunner-oss/port_gnomevfs_to_gio.patch b/community/xulrunner-oss/port_gnomevfs_to_gio.patch
new file mode 100644
index 000000000..797baff42
--- /dev/null
+++ b/community/xulrunner-oss/port_gnomevfs_to_gio.patch
@@ -0,0 +1,1316 @@
+diff -r 49a1b2aa43c5 extensions/gio/Makefile.in
+--- /dev/null Thu Jan 01 00:00:00 1970 +0000
++++ b/extensions/gio/Makefile.in Tue Jan 11 11:17:52 2011 +0100
+@@ -0,0 +1,69 @@
++# vim:set ts=8 sw=8 sts=8 noet:
++# ***** BEGIN LICENSE BLOCK *****
++# Version: MPL 1.1/GPL 2.0/LGPL 2.1
++#
++# The contents of this file are subject to the Mozilla Public License Version
++# 1.1 (the "License"); you may not use this file except in compliance with
++# the License. You may obtain a copy of the License at
++# http://www.mozilla.org/MPL/
++#
++# Software distributed under the License is distributed on an "AS IS" basis,
++# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
++# for the specific language governing rights and limitations under the
++# License.
++#
++# The Original Code is the Mozilla gnome-vfs extension.
++#
++# The Initial Developer of the Original Code is IBM Corporation.
++#
++# Portions created by IBM Corporation are Copyright (C) 2004
++# IBM Corporation. All Rights Reserved.
++#
++# Contributor(s):
++# Darin Fisher <darin@meer.net>
++# Jan Horak <jhorak@redhat.com>
++#
++# Alternatively, the contents of this file may be used under the terms of
++# either the GNU General Public License Version 2 or later (the "GPL"), or
++# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
++# in which case the provisions of the GPL or the LGPL are applicable instead
++# of those above. If you wish to allow use of your version of this file only
++# under the terms of either the GPL or the LGPL, and not to allow others to
++# use your version of this file under the terms of the MPL, indicate your
++# decision by deleting the provisions above and replace them with the notice
++# and other provisions required by the GPL or the LGPL. If you do not delete
++# the provisions above, a recipient may use your version of this file under
++# the terms of any one of the MPL, the GPL or the LGPL.
++#
++# ***** END LICENSE BLOCK *****
++
++DEPTH = ../..
++topsrcdir = @top_srcdir@
++srcdir = @srcdir@
++VPATH = @srcdir@
++
++include $(DEPTH)/config/autoconf.mk
++
++MODULE = nkgio
++LIBRARY_NAME = nkgio
++SHORT_LIBNAME = nkgio
++IS_COMPONENT = 1
++
++CPPSRCS = \
++ nsGIOProtocolHandler.cpp \
++ $(NULL)
++
++LOCAL_INCLUDES = $(MOZ_GIO_CFLAGS)
++
++EXTRA_DSO_LDOPTS = \
++ $(XPCOM_GLUE_LDOPTS) \
++ $(NSPR_LIBS) \
++ $(MOZ_GIO_LIBS) \
++ $(NULL)
++
++# make sure this component is never statically linked into the main
++# application. this is necessary since we don't want to force users
++# to install gio in order to use the rest of mozilla ;-)
++FORCE_SHARED_LIB= 1
++
++include $(topsrcdir)/config/rules.mk
+diff -r 49a1b2aa43c5 extensions/gio/makefiles.sh
+--- /dev/null Thu Jan 01 00:00:00 1970 +0000
++++ b/extensions/gio/makefiles.sh Tue Jan 11 11:17:52 2011 +0100
+@@ -0,0 +1,41 @@
++#! /bin/sh
++# ***** BEGIN LICENSE BLOCK *****
++# Version: MPL 1.1/GPL 2.0/LGPL 2.1
++#
++# The contents of this file are subject to the Mozilla Public License Version
++# 1.1 (the "License"); you may not use this file except in compliance with
++# the License. You may obtain a copy of the License at
++# http://www.mozilla.org/MPL/
++#
++# Software distributed under the License is distributed on an "AS IS" basis,
++# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
++# for the specific language governing rights and limitations under the
++# License.
++#
++# The Original Code is Mozilla Build System
++#
++# The Initial Developer of the Original Code is
++# Ben Turner <mozilla@songbirdnest.com>
++#
++# Portions created by the Initial Developer are Copyright (C) 2007
++# the Initial Developer. All Rights Reserved.
++#
++# Contributor(s):
++#
++# Alternatively, the contents of this file may be used under the terms of
++# either the GNU General Public License Version 2 or later (the "GPL"), or
++# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
++# in which case the provisions of the GPL or the LGPL are applicable instead
++# of those above. If you wish to allow use of your version of this file only
++# under the terms of either the GPL or the LGPL, and not to allow others to
++# use your version of this file under the terms of the MPL, indicate your
++# decision by deleting the provisions above and replace them with the notice
++# and other provisions required by the GPL or the LGPL. If you do not delete
++# the provisions above, a recipient may use your version of this file under
++# the terms of any one of the MPL, the GPL or the LGPL.
++#
++# ***** END LICENSE BLOCK *****
++
++add_makefiles "
++ extensions/gio/Makefile
++"
+diff -r 49a1b2aa43c5 extensions/gio/nsGIOProtocolHandler.cpp
+--- /dev/null Thu Jan 01 00:00:00 1970 +0000
++++ b/extensions/gio/nsGIOProtocolHandler.cpp Tue Jan 11 11:17:52 2011 +0100
+@@ -0,0 +1,1163 @@
++/* vim:set ts=2 sw=2 et cindent: */
++/* ***** BEGIN LICENSE BLOCK *****
++ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
++ *
++ * The contents of this file are subject to the Mozilla Public License Version
++ * 1.1 (the "License"); you may not use this file except in compliance with
++ * the License. You may obtain a copy of the License at
++ * http://www.mozilla.org/MPL/
++ *
++ * Software distributed under the License is distributed on an "AS IS" basis,
++ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
++ * for the specific language governing rights and limitations under the
++ * License.
++ *
++ * The Original Code is the Mozilla gnome-vfs extension.
++ *
++ * The Initial Developer of the Original Code is IBM Corporation.
++ *
++ * Portions created by IBM Corporation are Copyright (C) 2004
++ * IBM Corporation. All Rights Reserved.
++ *
++ * Contributor(s):
++ * Darin Fisher <darin@meer.net>
++ * Jan Horak <jhorak@redhat.com>
++ *
++ * Alternatively, the contents of this file may be used under the terms of
++ * either the GNU General Public License Version 2 or later (the "GPL"), or
++ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
++ * in which case the provisions of the GPL or the LGPL are applicable instead
++ * of those above. If you wish to allow use of your version of this file only
++ * under the terms of either the GPL or the LGPL, and not to allow others to
++ * use your version of this file under the terms of the MPL, indicate your
++ * decision by deleting the provisions above and replace them with the notice
++ * and other provisions required by the GPL or the LGPL. If you do not delete
++ * the provisions above, a recipient may use your version of this file under
++ * the terms of any one of the MPL, the GPL or the LGPL.
++ *
++ * ***** END LICENSE BLOCK ***** */
++
++/*
++ * This code is based on original Mozilla gnome-vfs extension. It implements
++ * input stream provided by GVFS/GIO.
++*/
++#include "mozilla/ModuleUtils.h"
++#include "nsIPrefService.h"
++#include "nsIPrefBranch2.h"
++#include "nsIObserver.h"
++#include "nsThreadUtils.h"
++#include "nsProxyRelease.h"
++#include "nsIStringBundle.h"
++#include "nsIStandardURL.h"
++#include "nsMimeTypes.h"
++#include "nsNetUtil.h"
++#include "mozilla/Monitor.h"
++#include <gio/gio.h>
++
++#define MOZ_GIO_SCHEME "moz-gio"
++#define MOZ_GIO_SUPPORTED_PROTOCOLS "network.gio.supported-protocols"
++
++//-----------------------------------------------------------------------------
++
++// NSPR_LOG_MODULES=gio:5
++#ifdef PR_LOGGING
++static PRLogModuleInfo *sGIOLog;
++#define LOG(args) PR_LOG(sGIOLog, PR_LOG_DEBUG, args)
++#else
++#define LOG(args)
++#endif
++
++
++//-----------------------------------------------------------------------------
++static nsresult
++MapGIOResult(gint code)
++{
++ switch (code)
++ {
++ case G_IO_ERROR_NOT_FOUND: return NS_ERROR_FILE_NOT_FOUND; // shows error
++ case G_IO_ERROR_INVALID_ARGUMENT: return NS_ERROR_INVALID_ARG;
++ case G_IO_ERROR_NOT_SUPPORTED: return NS_ERROR_NOT_AVAILABLE;
++ case G_IO_ERROR_NO_SPACE: return NS_ERROR_FILE_NO_DEVICE_SPACE;
++ case G_IO_ERROR_READ_ONLY: return NS_ERROR_FILE_READ_ONLY;
++ case G_IO_ERROR_PERMISSION_DENIED: return NS_ERROR_FILE_ACCESS_DENIED; // wrong password/login
++ case G_IO_ERROR_CLOSED: return NS_BASE_STREAM_CLOSED; // was EOF
++ case G_IO_ERROR_NOT_DIRECTORY: return NS_ERROR_FILE_NOT_DIRECTORY;
++ case G_IO_ERROR_PENDING: return NS_ERROR_IN_PROGRESS;
++ case G_IO_ERROR_EXISTS: return NS_ERROR_FILE_ALREADY_EXISTS;
++ case G_IO_ERROR_IS_DIRECTORY: return NS_ERROR_FILE_IS_DIRECTORY;
++ case G_IO_ERROR_NOT_MOUNTED: return NS_ERROR_NOT_CONNECTED; // shows error
++ case G_IO_ERROR_HOST_NOT_FOUND: return NS_ERROR_UNKNOWN_HOST; // shows error
++ case G_IO_ERROR_CANCELLED: return NS_ERROR_ABORT;
++ case G_IO_ERROR_NOT_EMPTY: return NS_ERROR_FILE_DIR_NOT_EMPTY;
++ case G_IO_ERROR_FILENAME_TOO_LONG: return NS_ERROR_FILE_NAME_TOO_LONG;
++ case G_IO_ERROR_INVALID_FILENAME: return NS_ERROR_FILE_INVALID_PATH;
++ case G_IO_ERROR_TIMED_OUT: return NS_ERROR_NET_TIMEOUT; // shows error
++ case G_IO_ERROR_WOULD_BLOCK: return NS_BASE_STREAM_WOULD_BLOCK;
++ case G_IO_ERROR_FAILED_HANDLED: return NS_ERROR_ABORT; // Cancel on login dialog
++
++/* unhandled:
++ G_IO_ERROR_NOT_REGULAR_FILE,
++ G_IO_ERROR_NOT_SYMBOLIC_LINK,
++ G_IO_ERROR_NOT_MOUNTABLE_FILE,
++ G_IO_ERROR_TOO_MANY_LINKS,
++ G_IO_ERROR_ALREADY_MOUNTED,
++ G_IO_ERROR_CANT_CREATE_BACKUP,
++ G_IO_ERROR_WRONG_ETAG,
++ G_IO_ERROR_WOULD_RECURSE,
++ G_IO_ERROR_BUSY,
++ G_IO_ERROR_WOULD_MERGE,
++ G_IO_ERROR_TOO_MANY_OPEN_FILES
++*/
++ // Make GCC happy
++ default:
++ return NS_ERROR_FAILURE;
++ }
++
++ return NS_ERROR_FAILURE;
++}
++
++static nsresult
++MapGIOResult(GError *result)
++{
++ if (!result)
++ return NS_OK;
++ else
++ return MapGIOResult(result->code);
++}
++/** Return values for mount operation.
++ * These enums are used as mount operation return values.
++ */
++typedef enum {
++ MOUNT_OPERATION_IN_PROGRESS, /** \enum operation in progress */
++ MOUNT_OPERATION_SUCCESS, /** \enum operation successful */
++ MOUNT_OPERATION_FAILED /** \enum operation not successful */
++} MountOperationResult;
++//-----------------------------------------------------------------------------
++/**
++ * Sort function compares according to file type (directory/file)
++ * and alphabethical order
++ * @param a pointer to GFileInfo object to compare
++ * @param b pointer to GFileInfo object to compare
++ * @return -1 when first object should be before the second, 0 when equal,
++ * +1 when second object should be before the first
++ */
++static gint
++FileInfoComparator(gconstpointer a, gconstpointer b)
++{
++ GFileInfo *ia = ( GFileInfo *) a;
++ GFileInfo *ib = ( GFileInfo *) b;
++ if (g_file_info_get_file_type(ia) == G_FILE_TYPE_DIRECTORY
++ && g_file_info_get_file_type(ib) != G_FILE_TYPE_DIRECTORY)
++ return -1;
++ if (g_file_info_get_file_type(ib) == G_FILE_TYPE_DIRECTORY
++ && g_file_info_get_file_type(ia) != G_FILE_TYPE_DIRECTORY)
++ return 1;
++
++ return strcasecmp(g_file_info_get_name(ia), g_file_info_get_name(ib));
++}
++
++/* Declaration of mount callback functions */
++static void mount_enclosing_volume_finished (GObject *source_object,
++ GAsyncResult *res,
++ gpointer user_data);
++static void mount_operation_ask_password (GMountOperation *mount_op,
++ const char *message,
++ const char *default_user,
++ const char *default_domain,
++ GAskPasswordFlags flags,
++ gpointer user_data);
++//-----------------------------------------------------------------------------
++
++class nsGIOInputStream : public nsIInputStream
++{
++ public:
++ NS_DECL_ISUPPORTS
++ NS_DECL_NSIINPUTSTREAM
++
++ nsGIOInputStream(const nsCString &uriSpec)
++ : mSpec(uriSpec)
++ , mChannel(nsnull)
++ , mHandle(nsnull)
++ , mStream(nsnull)
++ , mBytesRemaining(PR_UINT32_MAX)
++ , mStatus(NS_OK)
++ , mDirList(nsnull)
++ , mDirListPtr(nsnull)
++ , mDirBufCursor(0)
++ , mDirOpen(PR_FALSE)
++ , mMonitorMountInProgress("GIOInputStream::MountFinished") { }
++
++ ~nsGIOInputStream() { Close(); }
++
++ void SetChannel(nsIChannel *channel)
++ {
++ // We need to hold an owning reference to our channel. This is done
++ // so we can access the channel's notification callbacks to acquire
++ // a reference to a nsIAuthPrompt if we need to handle an interactive
++ // mount operation.
++ //
++ // However, the channel can only be accessed on the main thread, so
++ // we have to be very careful with ownership. Moreover, it doesn't
++ // support threadsafe addref/release, so proxying is the answer.
++ //
++ // Also, it's important to note that this likely creates a reference
++ // cycle since the channel likely owns this stream. This reference
++ // cycle is broken in our Close method.
++
++ NS_ADDREF(mChannel = channel);
++ }
++ void SetMountResult(MountOperationResult result, gint error_code);
++ private:
++ nsresult DoOpen();
++ nsresult DoRead(char *aBuf, PRUint32 aCount, PRUint32 *aCountRead);
++ nsresult SetContentTypeOfChannel(const char *contentType);
++ nsresult MountVolume();
++ nsresult DoOpenDirectory();
++ nsresult DoOpenFile(GFileInfo *info);
++ nsCString mSpec;
++ nsIChannel *mChannel; // manually refcounted
++ GFile *mHandle;
++ GFileInputStream *mStream;
++ PRUint64 mBytesRemaining;
++ nsresult mStatus;
++ GList *mDirList;
++ GList *mDirListPtr;
++ nsCString mDirBuf;
++ PRUint32 mDirBufCursor;
++ PRPackedBool mDirOpen;
++ MountOperationResult mMountRes;
++ mozilla::Monitor mMonitorMountInProgress;
++ gint mMountErrorCode;
++};
++/**
++ * Set result of mount operation and notify monitor waiting for results.
++ * This method is called in main thread as long as it is used only
++ * in mount_enclosing_volume_finished function.
++ * @param result Result of mount operation
++ */
++void
++nsGIOInputStream::SetMountResult(MountOperationResult result, gint error_code)
++{
++ mozilla::MonitorAutoEnter mon(mMonitorMountInProgress);
++ mMountRes = result;
++ mMountErrorCode = error_code;
++ mon.Notify();
++}
++
++/**
++ * Start mount operation and wait in loop until it is finished. This method is
++ * called from thread which is trying to read from location.
++ */
++nsresult
++nsGIOInputStream::MountVolume() {
++ GMountOperation* mount_op = g_mount_operation_new();
++ g_signal_connect (mount_op, "ask-password",
++ G_CALLBACK (mount_operation_ask_password), mChannel);
++ mMountRes = MOUNT_OPERATION_IN_PROGRESS;
++ /* g_file_mount_enclosing_volume uses a dbus request to mount the volume.
++ Callback mount_enclosing_volume_finished is called in main thread
++ (not this thread on which this method is called). */
++ g_file_mount_enclosing_volume(mHandle,
++ G_MOUNT_MOUNT_NONE,
++ mount_op,
++ NULL,
++ mount_enclosing_volume_finished,
++ this);
++ mozilla::MonitorAutoEnter mon(mMonitorMountInProgress);
++ /* Waiting for finish of mount operation thread */
++ while (mMountRes == MOUNT_OPERATION_IN_PROGRESS)
++ mon.Wait();
++
++ g_object_unref(mount_op);
++
++ if (mMountRes == MOUNT_OPERATION_FAILED) {
++ return MapGIOResult(mMountErrorCode);
++ } else {
++ return NS_OK;
++ }
++}
++
++/**
++ * Create list of infos about objects in opened directory
++ * Return: NS_OK when list obtained, otherwise error code according
++ * to failed operation.
++ */
++nsresult
++nsGIOInputStream::DoOpenDirectory()
++{
++ GError *error = NULL;
++
++ GFileEnumerator *f_enum = g_file_enumerate_children(mHandle,
++ "standard::*,time::*",
++ G_FILE_QUERY_INFO_NONE,
++ NULL,
++ &error);
++ if (!f_enum) {
++ nsresult rv = MapGIOResult(error);
++ g_warning("Cannot read from directory: %s", error->message);
++ g_error_free(error);
++ return rv;
++ }
++ // fill list of file infos
++ GFileInfo *info = g_file_enumerator_next_file(f_enum, NULL, &error);
++ while (info) {
++ mDirList = g_list_append(mDirList, info);
++ info = g_file_enumerator_next_file(f_enum, NULL, &error);
++ }
++ g_object_unref(f_enum);
++ if (error) {
++ g_warning("Error reading directory content: %s", error->message);
++ nsresult rv = MapGIOResult(error);
++ g_error_free(error);
++ return rv;
++ }
++ mDirOpen = PR_TRUE;
++
++ // Sort list of file infos by using FileInfoComparator function
++ mDirList = g_list_sort(mDirList, FileInfoComparator);
++ mDirListPtr = mDirList;
++
++ // Write base URL (make sure it ends with a '/')
++ mDirBuf.Append("300: ");
++ mDirBuf.Append(mSpec);
++ if (mSpec.get()[mSpec.Length() - 1] != '/')
++ mDirBuf.Append('/');
++ mDirBuf.Append('\n');
++
++ // Write column names
++ mDirBuf.Append("200: filename content-length last-modified file-type\n");
++
++ // Write charset (assume UTF-8)
++ // XXX is this correct?
++ mDirBuf.Append("301: UTF-8\n");
++ SetContentTypeOfChannel(APPLICATION_HTTP_INDEX_FORMAT);
++ return NS_OK;
++}
++
++/**
++ * Create file stream and set mime type for channel
++ * @param info file info used to determine mime type
++ * @return NS_OK when file stream created successfuly, error code otherwise
++ */
++nsresult
++nsGIOInputStream::DoOpenFile(GFileInfo *info)
++{
++ GError *error = NULL;
++
++ mStream = g_file_read(mHandle, NULL, &error);
++ if (!mStream) {
++ nsresult rv = MapGIOResult(error);
++ g_warning("Cannot read from file: %s", error->message);
++ g_error_free(error);
++ return rv;
++ }
++
++ const char * content_type = g_file_info_get_content_type(info);
++ if (content_type) {
++ char *mime_type = g_content_type_get_mime_type(content_type);
++ if (mime_type) {
++ if (strcmp(mime_type, APPLICATION_OCTET_STREAM) != 0) {
++ SetContentTypeOfChannel(mime_type);
++ }
++ g_free(mime_type);
++ }
++ } else {
++ g_warning("Missing content type.");
++ }
++
++ mBytesRemaining = g_file_info_get_size(info);
++ // Update the content length attribute on the channel. We do this
++ // synchronously without proxying. This hack is not as bad as it looks!
++ mChannel->SetContentLength(mBytesRemaining);
++
++ return NS_OK;
++}
++
++/**
++ * Start file open operation, mount volume when needed and according to file type
++ * create file output stream or read directory content.
++ * @return NS_OK when file or directory opened successfully, error code otherwise
++ */
++nsresult
++nsGIOInputStream::DoOpen()
++{
++ nsresult rv;
++ GError *error = NULL;
++
++ NS_ASSERTION(mHandle == nsnull, "already open");
++
++ mHandle = g_file_new_for_uri( mSpec.get() );
++
++ GFileInfo *info = g_file_query_info(mHandle,
++ "standard::*",
++ G_FILE_QUERY_INFO_NONE,
++ NULL,
++ &error);
++
++ if (error) {
++ if (error->domain == G_IO_ERROR && error->code == G_IO_ERROR_NOT_MOUNTED) {
++ // location is not yet mounted, try to mount
++ g_error_free(error);
++ if (NS_IsMainThread())
++ return NS_ERROR_NOT_CONNECTED;
++ error = NULL;
++ rv = MountVolume();
++ if (rv != NS_OK) {
++ return rv;
++ }
++ // get info again
++ info = g_file_query_info(mHandle,
++ "standard::*",
++ G_FILE_QUERY_INFO_NONE,
++ NULL,
++ &error);
++ // second try to get file info from remote files after media mount
++ if (!info) {
++ g_warning("Unable to get file info: %s", error->message);
++ rv = MapGIOResult(error);
++ g_error_free(error);
++ return rv;
++ }
++ } else {
++ g_warning("Unable to get file info: %s", error->message);
++ rv = MapGIOResult(error);
++ g_error_free(error);
++ return rv;
++ }
++ }
++ // Get file type to handle directories and file differently
++ GFileType f_type = g_file_info_get_file_type(info);
++ if (f_type == G_FILE_TYPE_DIRECTORY) {
++ // directory
++ rv = DoOpenDirectory();
++ } else if (f_type != G_FILE_TYPE_UNKNOWN) {
++ // file
++ rv = DoOpenFile(info);
++ } else {
++ g_warning("Unable to get file type.");
++ rv = NS_ERROR_FILE_NOT_FOUND;
++ }
++ if (info)
++ g_object_unref(info);
++ return rv;
++}
++
++/**
++ * Read content of file or create file list from directory
++ * @param aBuf read destination buffer
++ * @param aCount length of destination buffer
++ * @param aCountRead number of read characters
++ * @return NS_OK when read successfully, NS_BASE_STREAM_CLOSED when end of file,
++ * error code otherwise
++ */
++nsresult
++nsGIOInputStream::DoRead(char *aBuf, PRUint32 aCount, PRUint32 *aCountRead)
++{
++ nsresult rv = NS_ERROR_NOT_AVAILABLE;
++ if (mStream) {
++ // file read
++ GError *error = NULL;
++ PRUint32 bytes_read = g_input_stream_read(G_INPUT_STREAM(mStream),
++ aBuf,
++ aCount,
++ NULL,
++ &error);
++ if (error) {
++ rv = MapGIOResult(error);
++ *aCountRead = 0;
++ g_warning("Cannot read from file: %s", error->message);
++ g_error_free(error);
++ return rv;
++ }
++ *aCountRead = bytes_read;
++ mBytesRemaining -= *aCountRead;
++ return NS_OK;
++ }
++ else if (mDirOpen) {
++ // directory read
++ while (aCount && rv != NS_BASE_STREAM_CLOSED)
++ {
++ // Copy data out of our buffer
++ PRUint32 bufLen = mDirBuf.Length() - mDirBufCursor;
++ if (bufLen)
++ {
++ PRUint32 n = PR_MIN(bufLen, aCount);
++ memcpy(aBuf, mDirBuf.get() + mDirBufCursor, n);
++ *aCountRead += n;
++ aBuf += n;
++ aCount -= n;
++ mDirBufCursor += n;
++ }
++
++ if (!mDirListPtr) // Are we at the end of the directory list?
++ {
++ rv = NS_BASE_STREAM_CLOSED;
++ }
++ else if (aCount) // Do we need more data?
++ {
++ GFileInfo *info = (GFileInfo *) mDirListPtr->data;
++
++ // Prune '.' and '..' from directory listing.
++ const char * fname = g_file_info_get_name(info);
++ if (fname && fname[0] == '.' &&
++ (fname[1] == '\0' || (fname[1] == '.' && fname[2] == '\0')))
++ {
++ mDirListPtr = mDirListPtr->next;
++ continue;
++ }
++
++ mDirBuf.Assign("201: ");
++
++ // The "filename" field
++ nsCString escName;
++ nsCOMPtr<nsINetUtil> nu = do_GetService(NS_NETUTIL_CONTRACTID);
++ if (nu && fname) {
++ nu->EscapeString(nsDependentCString(fname),
++ nsINetUtil::ESCAPE_URL_PATH, escName);
++
++ mDirBuf.Append(escName);
++ mDirBuf.Append(' ');
++ }
++
++ // The "content-length" field
++ // XXX truncates size from 64-bit to 32-bit
++ mDirBuf.AppendInt(PRInt32(g_file_info_get_size(info)));
++ mDirBuf.Append(' ');
++
++ // The "last-modified" field
++ //
++ // NSPR promises: PRTime is compatible with time_t
++ // we just need to convert from seconds to microseconds
++ GTimeVal gtime;
++ g_file_info_get_modification_time(info, &gtime);
++
++ PRExplodedTime tm;
++ PRTime pt = ((PRTime) gtime.tv_sec) * 1000000;
++ PR_ExplodeTime(pt, PR_GMTParameters, &tm);
++ {
++ char buf[64];
++ PR_FormatTimeUSEnglish(buf, sizeof(buf),
++ "%a,%%20%d%%20%b%%20%Y%%20%H:%M:%S%%20GMT ", &tm);
++ mDirBuf.Append(buf);
++ }
++
++ // The "file-type" field
++ switch (g_file_info_get_file_type(info))
++ {
++ case G_FILE_TYPE_REGULAR:
++ mDirBuf.Append("FILE ");
++ break;
++ case G_FILE_TYPE_DIRECTORY:
++ mDirBuf.Append("DIRECTORY ");
++ break;
++ case G_FILE_TYPE_SYMBOLIC_LINK:
++ mDirBuf.Append("SYMBOLIC-LINK ");
++ break;
++ default:
++ break;
++ }
++ mDirBuf.Append('\n');
++
++ mDirBufCursor = 0;
++ mDirListPtr = mDirListPtr->next;
++ }
++ }
++ }
++ return rv;
++}
++
++/**
++ * This class is used to implement SetContentTypeOfChannel.
++ */
++class nsGIOSetContentTypeEvent : public nsRunnable
++{
++ public:
++ nsGIOSetContentTypeEvent(nsIChannel *channel, const char *contentType)
++ : mChannel(channel), mContentType(contentType)
++ {
++ // stash channel reference in mChannel. no AddRef here! see note
++ // in SetContentTypeOfchannel.
++ }
++
++ NS_IMETHOD Run()
++ {
++ mChannel->SetContentType(mContentType);
++ return NS_OK;
++ }
++
++ private:
++ nsIChannel *mChannel;
++ nsCString mContentType;
++};
++
++nsresult
++nsGIOInputStream::SetContentTypeOfChannel(const char *contentType)
++{
++ // We need to proxy this call over to the main thread. We post an
++ // asynchronous event in this case so that we don't delay reading data, and
++ // we know that this is safe to do since the channel's reference will be
++ // released asynchronously as well. We trust the ordering of the main
++ // thread's event queue to protect us against memory corruption.
++
++ nsresult rv;
++ nsCOMPtr<nsIRunnable> ev =
++ new nsGIOSetContentTypeEvent(mChannel, contentType);
++ if (!ev)
++ {
++ rv = NS_ERROR_OUT_OF_MEMORY;
++ }
++ else
++ {
++ rv = NS_DispatchToMainThread(ev);
++ }
++ return rv;
++}
++
++NS_IMPL_THREADSAFE_ISUPPORTS1(nsGIOInputStream, nsIInputStream)
++
++/**
++ * Free all used memory and close stream.
++ */
++NS_IMETHODIMP
++nsGIOInputStream::Close()
++{
++ if (mStream)
++ {
++ g_object_unref(mStream);
++ mStream = nsnull;
++ }
++
++ if (mHandle)
++ {
++ g_object_unref(mHandle);
++ mHandle = nsnull;
++ }
++
++ if (mDirList)
++ {
++ // Destroy the list of GIOFileInfo objects...
++ g_list_foreach(mDirList, (GFunc) g_object_unref, nsnull);
++ g_list_free(mDirList);
++ mDirList = nsnull;
++ mDirListPtr = nsnull;
++ }
++
++ if (mChannel)
++ {
++ nsresult rv = NS_OK;
++
++ nsCOMPtr<nsIThread> thread = do_GetMainThread();
++ if (thread)
++ rv = NS_ProxyRelease(thread, mChannel);
++
++ NS_ASSERTION(thread && NS_SUCCEEDED(rv), "leaking channel reference");
++ mChannel = nsnull;
++ }
++
++ mSpec.Truncate(); // free memory
++
++ // Prevent future reads from re-opening the handle.
++ if (NS_SUCCEEDED(mStatus))
++ mStatus = NS_BASE_STREAM_CLOSED;
++
++ return NS_OK;
++}
++
++/**
++ * Return number of remaining bytes available on input
++ * @param aResult remaining bytes
++ */
++NS_IMETHODIMP
++nsGIOInputStream::Available(PRUint32 *aResult)
++{
++ if (NS_FAILED(mStatus))
++ return mStatus;
++
++ /* When remaining bytes are bigger than max PRUint32 value an aResult must
++ be set to PRUint32 maximum */
++ if (mBytesRemaining > PR_UINT32_MAX)
++ *aResult = PR_UINT32_MAX;
++ else
++ *aResult = mBytesRemaining;
++
++ return NS_OK;
++}
++
++/**
++ * Trying to read from stream. When location is not available it tries to mount it.
++ * @param aBuf buffer to put read data
++ * @param aCount length of aBuf
++ * @param aCountRead number of bytes actually read
++ */
++NS_IMETHODIMP
++nsGIOInputStream::Read(char *aBuf,
++ PRUint32 aCount,
++ PRUint32 *aCountRead)
++{
++ *aCountRead = 0;
++ // Check if file is already opened, otherwise open it
++ if (!mStream && !mDirOpen && mStatus == NS_OK) {
++ mStatus = DoOpen();
++ if (NS_FAILED(mStatus)) {
++ return mStatus;
++ }
++ }
++
++ mStatus = DoRead(aBuf, aCount, aCountRead);
++ // Check if all data has been read
++ if (mStatus == NS_BASE_STREAM_CLOSED)
++ return NS_OK;
++
++ // Check whenever any error appears while reading
++ return mStatus;
++}
++
++NS_IMETHODIMP
++nsGIOInputStream::ReadSegments(nsWriteSegmentFun aWriter,
++ void *aClosure,
++ PRUint32 aCount,
++ PRUint32 *aResult)
++{
++ // There is no way to implement this using GnomeVFS, but fortunately
++ // that doesn't matter. Because we are a blocking input stream, Necko
++ // isn't going to call our ReadSegments method.
++ NS_NOTREACHED("nsGIOInputStream::ReadSegments");
++ return NS_ERROR_NOT_IMPLEMENTED;
++}
++
++NS_IMETHODIMP
++nsGIOInputStream::IsNonBlocking(PRBool *aResult)
++{
++ *aResult = PR_FALSE;
++ return NS_OK;
++}
++
++//-----------------------------------------------------------------------------
++
++/**
++ * Called when finishing mount operation. Result of operation is set in
++ * nsGIOInputStream. This function is called in main thread as an async request
++ * typically from dbus.
++ * @param source_object GFile object which requested the mount
++ * @param res result object
++ * @param user_data pointer to nsGIOInputStream
++ */
++static void
++mount_enclosing_volume_finished (GObject *source_object,
++ GAsyncResult *res,
++ gpointer user_data)
++{
++ GError *error = NULL;
++
++ nsGIOInputStream* istream = static_cast<nsGIOInputStream*>(user_data);
++
++ g_file_mount_enclosing_volume_finish(G_FILE (source_object), res, &error);
++
++ if (error) {
++ g_warning("Mount failed: %s %d", error->message, error->code);
++ istream->SetMountResult(MOUNT_OPERATION_FAILED, error->code);
++ g_error_free(error);
++ } else {
++ istream->SetMountResult(MOUNT_OPERATION_SUCCESS, 0);
++ }
++}
++
++/**
++ * This function is called when username or password are requested from user.
++ * This function is called in main thread as async request from dbus.
++ * @param mount_op mount operation
++ * @param message message to show to user
++ * @param default_user preffered user
++ * @param default_domain domain name
++ * @param flags what type of information is required
++ * @param user_data nsIChannel
++ */
++static void
++mount_operation_ask_password (GMountOperation *mount_op,
++ const char *message,
++ const char *default_user,
++ const char *default_domain,
++ GAskPasswordFlags flags,
++ gpointer user_data)
++{
++ nsIChannel *channel = (nsIChannel *) user_data;
++ if (!channel) {
++ g_mount_operation_reply(mount_op, G_MOUNT_OPERATION_ABORTED);
++ return;
++ }
++ // We can't handle request for domain
++ if (flags & G_ASK_PASSWORD_NEED_DOMAIN) {
++ g_mount_operation_reply(mount_op, G_MOUNT_OPERATION_ABORTED);
++ return;
++ }
++
++ nsCOMPtr<nsIAuthPrompt> prompt;
++ NS_QueryNotificationCallbacks(channel, prompt);
++
++ // If no auth prompt, then give up. We could failover to using the
++ // WindowWatcher service, but that might defeat a consumer's purposeful
++ // attempt to disable authentication (for whatever reason).
++ if (!prompt) {
++ g_mount_operation_reply(mount_op, G_MOUNT_OPERATION_ABORTED);
++ return;
++ }
++ // Parse out the host and port...
++ nsCOMPtr<nsIURI> uri;
++ channel->GetURI(getter_AddRefs(uri));
++ if (!uri) {
++ g_mount_operation_reply(mount_op, G_MOUNT_OPERATION_ABORTED);
++ return;
++ }
++
++ nsCAutoString scheme, hostPort;
++ uri->GetScheme(scheme);
++ uri->GetHostPort(hostPort);
++
++ // It doesn't make sense for either of these strings to be empty. What kind
++ // of funky URI is this?
++ if (scheme.IsEmpty() || hostPort.IsEmpty()) {
++ g_mount_operation_reply(mount_op, G_MOUNT_OPERATION_ABORTED);
++ return;
++ }
++ // Construct the single signon key. Altering the value of this key will
++ // cause people's remembered passwords to be forgotten. Think carefully
++ // before changing the way this key is constructed.
++ nsAutoString key, realm;
++
++ NS_ConvertUTF8toUTF16 dispHost(scheme);
++ dispHost.Append(NS_LITERAL_STRING("://"));
++ dispHost.Append(NS_ConvertUTF8toUTF16(hostPort));
++
++ key = dispHost;
++ if (*default_domain != '\0')
++ {
++ // We assume the realm string is ASCII. That might be a bogus assumption,
++ // but we have no idea what encoding GnomeVFS is using, so for now we'll
++ // limit ourselves to ISO-Latin-1. XXX What is a better solution?
++ realm.Append('"');
++ realm.Append(NS_ConvertASCIItoUTF16(default_domain));
++ realm.Append('"');
++ key.Append(' ');
++ key.Append(realm);
++ }
++ // Construct the message string...
++ //
++ // We use Necko's string bundle here. This code really should be encapsulated
++ // behind some Necko API, after all this code is based closely on the code in
++ // nsHttpChannel.cpp.
++ nsCOMPtr<nsIStringBundleService> bundleSvc =
++ do_GetService(NS_STRINGBUNDLE_CONTRACTID);
++ if (!bundleSvc) {
++ g_mount_operation_reply(mount_op, G_MOUNT_OPERATION_ABORTED);
++ return;
++ }
++ nsCOMPtr<nsIStringBundle> bundle;
++ bundleSvc->CreateBundle("chrome://global/locale/commonDialogs.properties",
++ getter_AddRefs(bundle));
++ if (!bundle) {
++ g_mount_operation_reply(mount_op, G_MOUNT_OPERATION_ABORTED);
++ return;
++ }
++ nsAutoString nsmessage;
++
++ if (flags & G_ASK_PASSWORD_NEED_PASSWORD) {
++ if (flags & G_ASK_PASSWORD_NEED_USERNAME) {
++ if (!realm.IsEmpty()) {
++ const PRUnichar *strings[] = { realm.get(), dispHost.get() };
++ bundle->FormatStringFromName(NS_LITERAL_STRING("EnterLoginForRealm").get(),
++ strings, 2, getter_Copies(nsmessage));
++ } else {
++ const PRUnichar *strings[] = { dispHost.get() };
++ bundle->FormatStringFromName(NS_LITERAL_STRING("EnterUserPasswordFor").get(),
++ strings, 1, getter_Copies(nsmessage));
++ }
++ } else {
++ NS_ConvertUTF8toUTF16 userName(default_user);
++ const PRUnichar *strings[] = { userName.get(), dispHost.get() };
++ bundle->FormatStringFromName(NS_LITERAL_STRING("EnterPasswordFor").get(),
++ strings, 2, getter_Copies(nsmessage));
++ }
++ } else {
++ g_warning("Unknown mount operation request (flags: %x)", flags);
++ }
++
++ if (nsmessage.IsEmpty()) {
++ g_mount_operation_reply(mount_op, G_MOUNT_OPERATION_ABORTED);
++ return;
++ }
++ // Prompt the user...
++ nsresult rv;
++ PRBool retval = PR_FALSE;
++ PRUnichar *user = nsnull, *pass = nsnull;
++ if (default_user) {
++ // user will be freed by PromptUsernameAndPassword
++ user = ToNewUnicode(NS_ConvertUTF8toUTF16(default_user));
++ }
++ if (flags & G_ASK_PASSWORD_NEED_USERNAME) {
++ rv = prompt->PromptUsernameAndPassword(nsnull, nsmessage.get(),
++ key.get(),
++ nsIAuthPrompt::SAVE_PASSWORD_PERMANENTLY,
++ &user, &pass, &retval);
++ } else {
++ rv = prompt->PromptPassword(nsnull, nsmessage.get(),
++ key.get(),
++ nsIAuthPrompt::SAVE_PASSWORD_PERMANENTLY,
++ &pass, &retval);
++ }
++ if (NS_FAILED(rv) || !retval) { // was || user == '\0' || pass == '\0'
++ g_mount_operation_reply(mount_op, G_MOUNT_OPERATION_ABORTED);
++ return;
++ }
++ /* GIO should accept UTF8 */
++ g_mount_operation_set_username(mount_op, NS_ConvertUTF16toUTF8(user).get());
++ g_mount_operation_set_password(mount_op, NS_ConvertUTF16toUTF8(pass).get());
++ nsMemory::Free(user);
++ nsMemory::Free(pass);
++ g_mount_operation_reply(mount_op, G_MOUNT_OPERATION_HANDLED);
++}
++
++//-----------------------------------------------------------------------------
++
++class nsGIOProtocolHandler : public nsIProtocolHandler
++ , public nsIObserver
++{
++ public:
++ NS_DECL_ISUPPORTS
++ NS_DECL_NSIPROTOCOLHANDLER
++ NS_DECL_NSIOBSERVER
++
++ nsresult Init();
++
++ private:
++ void InitSupportedProtocolsPref(nsIPrefBranch *prefs);
++ PRBool IsSupportedProtocol(const nsCString &spec);
++
++ nsCString mSupportedProtocols;
++};
++
++NS_IMPL_ISUPPORTS2(nsGIOProtocolHandler, nsIProtocolHandler, nsIObserver)
++
++nsresult
++nsGIOProtocolHandler::Init()
++{
++#ifdef PR_LOGGING
++ sGIOLog = PR_NewLogModule("gio");
++#endif
++
++ nsCOMPtr<nsIPrefBranch2> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
++ if (prefs)
++ {
++ InitSupportedProtocolsPref(prefs);
++ prefs->AddObserver(MOZ_GIO_SUPPORTED_PROTOCOLS, this, PR_FALSE);
++ }
++
++ return NS_OK;
++}
++
++void
++nsGIOProtocolHandler::InitSupportedProtocolsPref(nsIPrefBranch *prefs)
++{
++ // Get user preferences to determine which protocol is supported.
++ // Gvfs/GIO has a set of supported protocols like obex, network, archive,
++ // computer, dav, cdda, gphoto2, trash, etc. Some of these seems to be
++ // irrelevant to process by browser. By default accept only smb and sftp
++ // protocols so far.
++ nsresult rv = prefs->GetCharPref(MOZ_GIO_SUPPORTED_PROTOCOLS,
++ getter_Copies(mSupportedProtocols));
++ if (NS_SUCCEEDED(rv)) {
++ mSupportedProtocols.StripWhitespace();
++ ToLowerCase(mSupportedProtocols);
++ }
++ else
++ mSupportedProtocols.Assign("smb:,sftp:"); // use defaults
++
++ LOG(("gio: supported protocols \"%s\"\n", mSupportedProtocols.get()));
++}
++
++PRBool
++nsGIOProtocolHandler::IsSupportedProtocol(const nsCString &aSpec)
++{
++ const char *specString = aSpec.get();
++ const char *colon = strchr(specString, ':');
++ if (!colon)
++ return PR_FALSE;
++
++ PRUint32 length = colon - specString + 1;
++
++ // <scheme> + ':'
++ nsCString scheme(specString, length);
++
++ char *found = PL_strcasestr(mSupportedProtocols.get(), scheme.get());
++ if (!found)
++ return PR_FALSE;
++
++ if (found[length] != ',' && found[length] != '\0')
++ return PR_FALSE;
++
++ return PR_TRUE;
++}
++
++NS_IMETHODIMP
++nsGIOProtocolHandler::GetScheme(nsACString &aScheme)
++{
++ aScheme.Assign(MOZ_GIO_SCHEME);
++ return NS_OK;
++}
++
++NS_IMETHODIMP
++nsGIOProtocolHandler::GetDefaultPort(PRInt32 *aDefaultPort)
++{
++ *aDefaultPort = -1;
++ return NS_OK;
++}
++
++NS_IMETHODIMP
++nsGIOProtocolHandler::GetProtocolFlags(PRUint32 *aProtocolFlags)
++{
++ // Is URI_STD true of all GnomeVFS URI types?
++ *aProtocolFlags = URI_STD | URI_DANGEROUS_TO_LOAD;
++ return NS_OK;
++}
++
++NS_IMETHODIMP
++nsGIOProtocolHandler::NewURI(const nsACString &aSpec,
++ const char *aOriginCharset,
++ nsIURI *aBaseURI,
++ nsIURI **aResult)
++{
++ const nsCString flatSpec(aSpec);
++ LOG(("gio: NewURI [spec=%s]\n", flatSpec.get()));
++
++ if (!aBaseURI)
++ {
++ // XXX Is it good to support all GIO protocols?
++ if (!IsSupportedProtocol(flatSpec))
++ return NS_ERROR_UNKNOWN_PROTOCOL;
++
++ PRInt32 colon_location = flatSpec.FindChar(':');
++ if (colon_location <= 0)
++ return NS_ERROR_UNKNOWN_PROTOCOL;
++
++ // Verify that GIO supports this URI scheme.
++ PRBool uri_scheme_supported = PR_FALSE;
++
++ GVfs *gvfs = g_vfs_get_default();
++
++ if (!gvfs) {
++ g_warning("Cannot get GVfs object.");
++ return NS_ERROR_UNKNOWN_PROTOCOL;
++ }
++
++ const gchar* const * uri_schemes = g_vfs_get_supported_uri_schemes(gvfs);
++
++ while (*uri_schemes != NULL) {
++ // While flatSpec ends with ':' the uri_scheme does not. Therefore do not
++ // compare last character.
++ if (StringHead(flatSpec, colon_location).Equals(*uri_schemes)) {
++ uri_scheme_supported = PR_TRUE;
++ break;
++ }
++ uri_schemes++;
++ }
++
++ if (!uri_scheme_supported) {
++ return NS_ERROR_UNKNOWN_PROTOCOL;
++ }
++ }
++
++ nsresult rv;
++ nsCOMPtr<nsIStandardURL> url =
++ do_CreateInstance(NS_STANDARDURL_CONTRACTID, &rv);
++ if (NS_FAILED(rv))
++ return rv;
++
++ rv = url->Init(nsIStandardURL::URLTYPE_STANDARD, -1, flatSpec,
++ aOriginCharset, aBaseURI);
++ if (NS_SUCCEEDED(rv))
++ rv = CallQueryInterface(url, aResult);
++ return rv;
++
++}
++
++NS_IMETHODIMP
++nsGIOProtocolHandler::NewChannel(nsIURI *aURI, nsIChannel **aResult)
++{
++ NS_ENSURE_ARG_POINTER(aURI);
++ nsresult rv;
++
++ nsCAutoString spec;
++ rv = aURI->GetSpec(spec);
++ if (NS_FAILED(rv))
++ return rv;
++
++ nsRefPtr<nsGIOInputStream> stream = new nsGIOInputStream(spec);
++ if (!stream)
++ {
++ rv = NS_ERROR_OUT_OF_MEMORY;
++ }
++ else
++ {
++ // start out assuming an unknown content-type. we'll set the content-type
++ // to something better once we open the URI.
++ rv = NS_NewInputStreamChannel(aResult,
++ aURI,
++ stream,
++ NS_LITERAL_CSTRING(UNKNOWN_CONTENT_TYPE));
++ if (NS_SUCCEEDED(rv))
++ stream->SetChannel(*aResult);
++ }
++ return rv;
++}
++
++NS_IMETHODIMP
++nsGIOProtocolHandler::AllowPort(PRInt32 aPort,
++ const char *aScheme,
++ PRBool *aResult)
++{
++ // Don't override anything.
++ *aResult = PR_FALSE;
++ return NS_OK;
++}
++
++NS_IMETHODIMP
++nsGIOProtocolHandler::Observe(nsISupports *aSubject,
++ const char *aTopic,
++ const PRUnichar *aData)
++{
++ if (strcmp(aTopic, NS_PREFBRANCH_PREFCHANGE_TOPIC_ID) == 0) {
++ nsCOMPtr<nsIPrefBranch> prefs = do_QueryInterface(aSubject);
++ InitSupportedProtocolsPref(prefs);
++ }
++ return NS_OK;
++}
++
++//-----------------------------------------------------------------------------
++
++#define NS_GIOPROTOCOLHANDLER_CID \
++{ /* ee706783-3af8-4d19-9e84-e2ebfe213480 */ \
++ 0xee706783, \
++ 0x3af8, \
++ 0x4d19, \
++ {0x9e, 0x84, 0xe2, 0xeb, 0xfe, 0x21, 0x34, 0x80} \
++}
++
++NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsGIOProtocolHandler, Init)
++NS_DEFINE_NAMED_CID(NS_GIOPROTOCOLHANDLER_CID);
++
++static const mozilla::Module::CIDEntry kVFSCIDs[] = {
++ { &kNS_GIOPROTOCOLHANDLER_CID, false, NULL, nsGIOProtocolHandlerConstructor },
++ { NULL }
++};
++
++static const mozilla::Module::ContractIDEntry kVFSContracts[] = {
++ { NS_NETWORK_PROTOCOL_CONTRACTID_PREFIX MOZ_GIO_SCHEME, &kNS_GIOPROTOCOLHANDLER_CID },
++ { NULL }
++};
++
++static const mozilla::Module kVFSModule = {
++ mozilla::Module::kVersion,
++ kVFSCIDs,
++ kVFSContracts
++};
++
++NSMODULE_DEFN(nsGIOModule) = &kVFSModule;
+diff -r 49a1b2aa43c5 netwerk/base/src/nsIOService.cpp
+--- a/netwerk/base/src/nsIOService.cpp Tue Dec 21 12:42:59 2010 +0100
++++ b/netwerk/base/src/nsIOService.cpp Tue Jan 11 11:17:52 2011 +0100
+@@ -454,6 +454,27 @@
+ }
+
+ #ifdef MOZ_X11
++ // check to see whether GVFS can handle this URI scheme. if it can
++ // create a nsIURI for the "scheme:", then we assume it has support for
++ // the requested protocol. otherwise, we failover to using the default
++ // protocol handler.
++
++ rv = CallGetService(NS_NETWORK_PROTOCOL_CONTRACTID_PREFIX"moz-gio",
++ result);
++ if (NS_SUCCEEDED(rv)) {
++ nsCAutoString spec(scheme);
++ spec.Append(':');
++
++ nsIURI *uri;
++ rv = (*result)->NewURI(spec, nsnull, nsnull, &uri);
++ if (NS_SUCCEEDED(rv)) {
++ NS_RELEASE(uri);
++ return rv;
++ }
++
++ NS_RELEASE(*result);
++ }
++
+ // check to see whether GnomeVFS can handle this URI scheme. if it can
+ // create a nsIURI for the "scheme:", then we assume it has support for
+ // the requested protocol. otherwise, we failover to using the default