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#!/bin/sh
#---------------------------------------------
# xdg-open
#
# Utility script to open a URL in the registered default application.
#
# Refer to the usage() function below for usage.
#
# Copyright 2006, Kevin Krammer <kevin.krammer@gmx.at>
# Copyright 2006, Jeremy White <jwhite@codeweavers.com>
#
# LICENSE:
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
#
#---------------------------------------------
manualpage()
{
cat << _MANUALPAGE
Name
xdg-open ? opens a file or URL in the user's preferred application
Synopsis
xdg-open { file | URL }
xdg-open { --help | --manual | --version }
Description
xdg-open opens a file or URL in the user's preferred application. If a URL is
provided the URL will be opened in the user's preferred web browser. If a file
is provided the file will be opened in the preferred application for files of
that type. xdg-open supports file, ftp, http and https URLs.
xdg-open is for use inside a desktop session only. It is not recommended to use
xdg-open as root.
Options
--help
Show command synopsis.
--manual
Show this manualpage.
--version
Show the xdg-utils version information.
Exit Codes
An exit code of 0 indicates success while a non-zero exit code indicates
failure. The following failure codes can be returned:
1
Error in command line syntax.
2
One of the files passed on the command line did not exist.
3
A required tool could not be found.
4
The action failed.
Examples
xdg-open 'http://www.freedesktop.org/'
Opens the Freedesktop.org website in the user's default browser
xdg-open /tmp/foobar.png
Opens the PNG image file /tmp/foobar.png in the user's default image viewing
application.
_MANUALPAGE
}
usage()
{
cat << _USAGE
xdg-open ? opens a file or URL in the user's preferred application
Synopsis
xdg-open { file | URL }
xdg-open { --help | --manual | --version }
_USAGE
}
#@xdg-utils-common@
#----------------------------------------------------------------------------
# Common utility functions included in all XDG wrapper scripts
#----------------------------------------------------------------------------
DEBUG()
{
[ -z "${XDG_UTILS_DEBUG_LEVEL}" ] && return 0;
[ ${XDG_UTILS_DEBUG_LEVEL} -lt $1 ] && return 0;
shift
echo "$@" >&2
}
#-------------------------------------------------------------
# Exit script on successfully completing the desired operation
exit_success()
{
if [ $# -gt 0 ]; then
echo "$@"
echo
fi
exit 0
}
#-----------------------------------------
# Exit script on malformed arguments, not enough arguments
# or missing required option.
# prints usage information
exit_failure_syntax()
{
if [ $# -gt 0 ]; then
echo "xdg-open: $@" >&2
echo "Try 'xdg-open --help' for more information." >&2
else
usage
echo "Use 'man xdg-open' or 'xdg-open --manual' for additional info."
fi
exit 1
}
#-------------------------------------------------------------
# Exit script on missing file specified on command line
exit_failure_file_missing()
{
if [ $# -gt 0 ]; then
echo "xdg-open: $@" >&2
fi
exit 2
}
#-------------------------------------------------------------
# Exit script on failure to locate necessary tool applications
exit_failure_operation_impossible()
{
if [ $# -gt 0 ]; then
echo "xdg-open: $@" >&2
fi
exit 3
}
#-------------------------------------------------------------
# Exit script on failure returned by a tool application
exit_failure_operation_failed()
{
if [ $# -gt 0 ]; then
echo "xdg-open: $@" >&2
fi
exit 4
}
#------------------------------------------------------------
# Exit script on insufficient permission to read a specified file
exit_failure_file_permission_read()
{
if [ $# -gt 0 ]; then
echo "xdg-open: $@" >&2
fi
exit 5
}
#------------------------------------------------------------
# Exit script on insufficient permission to read a specified file
exit_failure_file_permission_write()
{
if [ $# -gt 0 ]; then
echo "xdg-open: $@" >&2
fi
exit 6
}
check_input_file()
{
if [ ! -e "$1" ]; then
exit_failure_file_missing "file '$1' does not exist"
fi
if [ ! -r "$1" ]; then
exit_failure_file_permission_read "no permission to read file '$1'"
fi
}
check_vendor_prefix()
{
file_label="$2"
[ -n "$file_label" ] || file_label="filename"
file=`basename "$1"`
case "$file" in
[a-zA-Z]*-*)
return
;;
esac
echo "xdg-open: $file_label '$file' does not have a proper vendor prefix" >&2
echo 'A vendor prefix consists of alpha characters ([a-zA-Z]) and is terminated' >&2
echo 'with a dash ("-"). An example '"$file_label"' is '"'example-$file'" >&2
echo "Use --novendor to override or 'xdg-open --manual' for additional info." >&2
exit 1
}
check_output_file()
{
# if the file exists, check if it is writeable
# if it does not exists, check if we are allowed to write on the directory
if [ -e "$1" ]; then
if [ ! -w "$1" ]; then
exit_failure_file_permission_write "no permission to write to file '$1'"
fi
else
DIR=`dirname "$1"`
if [ ! -w "$DIR" -o ! -x "$DIR" ]; then
exit_failure_file_permission_write "no permission to create file '$1'"
fi
fi
}
#----------------------------------------
# Checks for shared commands, e.g. --help
check_common_commands()
{
while [ $# -gt 0 ] ; do
parm="$1"
shift
case "$parm" in
--help)
usage
echo "Use 'man xdg-open' or 'xdg-open --manual' for additional info."
exit_success
;;
--manual)
manualpage
exit_success
;;
--version)
echo "xdg-open 1.0.2"
exit_success
;;
esac
done
}
check_common_commands "$@"
[ -z "${XDG_UTILS_DEBUG_LEVEL}" ] && unset XDG_UTILS_DEBUG_LEVEL;
if [ ${XDG_UTILS_DEBUG_LEVEL-0} -lt 1 ]; then
# Be silent
xdg_redirect_output=" > /dev/null 2> /dev/null"
else
# All output to stderr
xdg_redirect_output=" >&2"
fi
#--------------------------------------
# Checks for known desktop environments
# set variable DE to the desktop environments name, lowercase
detectDE()
{
if [ x"$KDE_FULL_SESSION" = x"true" ]; then DE=kde;
elif [ x"$GNOME_DESKTOP_SESSION_ID" != x"" ]; then DE=gnome;
elif `dbus-send --print-reply --dest=org.freedesktop.DBus /org/freedesktop/DBus org.freedesktop.DBus.GetNameOwner string:org.gnome.SessionManager > /dev/null 2>&1` ; then DE=gnome;
elif xprop -root _DT_SAVE_MODE 2> /dev/null | grep ' = \"xfce4\"$' >/dev/null 2>&1; then DE=xfce;
fi
}
#----------------------------------------------------------------------------
# kfmclient exec/openURL can give bogus exit value in KDE <= 3.5.4
# It also always returns 1 in KDE 3.4 and earlier
# Simply return 0 in such case
kfmclient_fix_exit_code()
{
version=`kde${KDE_SESSION_VERSION}-config --version 2>/dev/null | grep KDE`
major=`echo $version | sed 's/KDE: \([0-9]\).*/\1/'`
minor=`echo $version | sed 's/KDE: [0-9]*\.\([0-9]\).*/\1/'`
release=`echo $version | sed 's/KDE: [0-9]*\.[0-9]*\.\([0-9]\).*/\1/'`
test "$major" -gt 3 && return $1
test "$minor" -gt 5 && return $1
test "$release" -gt 4 && return $1
return 0
}
open_kde()
{
if kde-open -v 2>/dev/null 1>&2; then
kde-open "$1"
else
if [ x"$KDE_SESSION_VERSION" = x"4" ]; then
kfmclient openURL "$1"
else
kfmclient exec "$1"
kfmclient_fix_exit_code $?
fi
fi
if [ $? -eq 0 ]; then
exit_success
else
exit_failure_operation_failed
fi
}
open_gnome()
{
if gvfs-open --help 2>/dev/null 1>&2; then
gvfs-open "$1"
else
gnome-open "$1"
fi
if [ $? -eq 0 ]; then
exit_success
else
exit_failure_operation_failed
fi
}
open_xfce()
{
exo-open "$1"
if [ $? -eq 0 ]; then
exit_success
else
exit_failure_operation_failed
fi
}
open_generic()
{
if mimeopen -v 2>/dev/null 1>&2; then
mimeopen -n "$1"
if [ $? -eq 0 ]; then
exit_success
fi
fi
if which run-mailcap 2>/dev/null 1>&2 &&
(echo "$1" | grep -q '^file://' ||
! echo "$1" | egrep -q '^[a-zA-Z+\.\-]+:'); then
local file=$(echo "$1" | sed 's%^file://%%')
run-mailcap --action=view "$file"
if [ $? -eq 0 ]; then
exit_success
fi
fi
IFS=":"
for browser in $BROWSER; do
if [ x"$browser" != x"" ]; then
browser_with_arg=`printf "$browser" "$1" 2>/dev/null`
if [ $? -ne 0 ]; then browser_with_arg=$browser;
fi
if [ x"$browser_with_arg" = x"$browser" ]; then "$browser" "$1";
else $browser_with_arg;
fi
if [ $? -eq 0 ]; then exit_success;
fi
fi
done
exit_failure_operation_impossible "no method available for opening '$1'"
}
[ x"$1" != x"" ] || exit_failure_syntax
url=
while [ $# -gt 0 ] ; do
parm="$1"
shift
case "$parm" in
-*)
exit_failure_syntax "unexpected option '$parm'"
;;
*)
if [ -n "$url" ] ; then
exit_failure_syntax "unexpected argument '$parm'"
fi
url="$parm"
;;
esac
done
if [ -z "${url}" ] ; then
exit_failure_syntax "file or URL argument missing"
fi
detectDE
if [ x"$DE" = x"" ]; then
# if BROWSER variable is not set, check some well known browsers instead
if [ x"$BROWSER" = x"" ]; then
BROWSER=htmlview:firefox:mozilla:netscape:links:lynx
fi
DE=generic
fi
case "$DE" in
kde)
open_kde "$url"
;;
gnome)
open_gnome "$url"
;;
xfce)
open_xfce "$url"
;;
generic)
open_generic "$url"
;;
*)
exit_failure_operation_impossible "no method available for opening '$url'"
;;
esac