#!/usr/bin/bash
#
# The contents of this file are subject to the Netscape 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/NPL/
#
# 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.org code.
#
# The Initial Developer of the Original Code is Netscape
# Communications Corporation.  Portions created by Netscape are
# Copyright (C) 1998 Netscape Communications Corporation. All
# Rights Reserved.
#
# Contributor(s): 
#

## 
## Usage:
##
## $ firefox
##
## This script is meant to run a mozilla program from the mozilla
## rpm installation.
##
## The script will setup all the environment voodoo needed to make
## mozilla work.

cmdname=`basename $0`

##
## Variables
##
MOZ_ARCH=$(uname -m)
case $MOZ_ARCH in
	x86_64 | s390x | sparc64)
		MOZ_LIB_DIR="/usr/lib64"
		SECONDARY_LIB_DIR="/usr/lib"
		;;
	* )
		MOZ_LIB_DIR="/usr/lib"
		SECONDARY_LIB_DIR="/usr/lib64"
		;;
esac

MOZ_FIREFOX_FILE="firefox"

if [ ! -r $MOZ_LIB_DIR/firefox/$MOZ_FIREFOX_FILE ]; then
    if [ ! -r $SECONDARY_LIB_DIR/firefox/$MOZ_FIREFOX_FILE ]; then
	echo "Error: $MOZ_LIB_DIR/firefox/$MOZ_FIREFOX_FILE not found"
	if [ -d $SECONDARY_LIB_DIR ]; then
	    echo "       $SECONDARY_LIB_DIR/firefox/$MOZ_FIREFOX_FILE not found"
	fi
	exit 1
    fi
    MOZ_LIB_DIR="$SECONDARY_LIB_DIR"
fi
MOZ_DIST_BIN="$MOZ_LIB_DIR/firefox"
MOZ_LANGPACKS_DIR="$MOZ_DIST_BIN/langpacks"
MOZ_EXTENSIONS_PROFILE_DIR="$HOME/.mozilla/extensions/{ec8030f7-c20a-464f-9b0e-13a3a9e97384}"
MOZ_PROGRAM="$MOZ_DIST_BIN/$MOZ_FIREFOX_FILE"
GETENFORCE_FILE="/usr/sbin/getenforce"

##
## Enable Wayland backend?
##
export MOZ_DISABLE_WAYLAND=1

if ! [ $MOZ_DISABLE_WAYLAND ] && [ "$WAYLAND_DISPLAY" ]; then
  if [ "$XDG_CURRENT_DESKTOP" == "GNOME" ]; then
    export MOZ_ENABLE_WAYLAND=1
  fi
##  Enable Wayland on KDE/Sway
##
  if [ "$XDG_SESSION_TYPE" == "wayland" ]; then
    export MOZ_ENABLE_WAYLAND=1
  fi
fi

##
## Use D-Bus remote exclusively when there's Wayland display.
##
if [ "$WAYLAND_DISPLAY" ]; then
  export MOZ_DBUS_REMOTE=1
fi

##
## Set MOZ_GRE_CONF
##
MOZ_GRE_CONF=/etc/gre.d/gre.conf
if [ "$MOZ_LIB_DIR" == "/usr/lib64" ]; then
  MOZ_GRE_CONF=/etc/gre.d/gre64.conf
fi
export MOZ_GRE_CONF

##
## Set MOZILLA_FIVE_HOME
##
MOZILLA_FIVE_HOME="$MOZ_DIST_BIN"

export MOZILLA_FIVE_HOME

##
## Make sure that we set the plugin path
##
MOZ_PLUGIN_DIR="plugins"

if [ "$MOZ_PLUGIN_PATH" ]
then
  MOZ_PLUGIN_PATH=$MOZ_PLUGIN_PATH:$MOZ_LIB_DIR/mozilla/$MOZ_PLUGIN_DIR:$MOZ_DIST_BIN/$MOZ_PLUGIN_DIR
else
  MOZ_PLUGIN_PATH=$MOZ_LIB_DIR/mozilla/$MOZ_PLUGIN_DIR:$MOZ_DIST_BIN/$MOZ_PLUGIN_DIR
fi
export MOZ_PLUGIN_PATH

##
## Set MOZ_APP_LAUNCHER for gnome-session
##
export MOZ_APP_LAUNCHER="/usr/bin/firefox"

##
## Set FONTCONFIG_PATH for Xft/fontconfig
##
FONTCONFIG_PATH="/etc/fonts:${MOZILLA_FIVE_HOME}/res/Xft"
export FONTCONFIG_PATH

##
## We want Firefox to use Openh264 provided by Fedora
##
export MOZ_GMP_PATH=$MOZ_LIB_DIR/mozilla/plugins/gmp-gmpopenh264/system-installed

##
## In order to better support certain scripts (such as Indic and some CJK 
## scripts), Fedora builds its Firefox, with permission from the Mozilla 
## Corporation, with the Pango system as its text renderer.  This change 
## may negatively impact performance on some pages.  To disable the use of
## Pango, set MOZ_DISABLE_PANGO=1 in your environment before launching
## Firefox.
##
#
# MOZ_DISABLE_PANGO=1
# export MOZ_DISABLE_PANGO
#

##
## Disable the GNOME crash dialog, Moz has it's own
##
GNOME_DISABLE_CRASH_DIALOG=1
export GNOME_DISABLE_CRASH_DIALOG

##
## Disable the SLICE allocator (rhbz#1014858)
##
export G_SLICE=always-malloc

##
## Enable Xinput2 (mozbz#1207973)
##
export MOZ_USE_XINPUT2=1

# OK, here's where all the real work gets done


##
## To disable the use of Firefox localization, set MOZ_DISABLE_LANGPACKS=1
## in your environment before launching Firefox.
##
#
# MOZ_DISABLE_LANGPACKS=1
# export MOZ_DISABLE_LANGPACKS
#

##
## Automatically installed langpacks are tracked by .fedora-langpack-install
## config file.
##
FEDORA_LANGPACK_CONFIG="$MOZ_EXTENSIONS_PROFILE_DIR/.fedora-langpack-install"

# MOZ_DISABLE_LANGPACKS disables language packs completely
MOZILLA_DOWN=0
if ! [ $MOZ_DISABLE_LANGPACKS ] || [ $MOZ_DISABLE_LANGPACKS -eq 0 ]; then
    if [ -x $MOZ_DIST_BIN/$MOZ_FIREFOX_FILE ]; then
        # Is firefox running?
        /usr/bin/pidof $MOZ_PROGRAM > /dev/null 2>&1
        MOZILLA_DOWN=$?
    fi
fi

# When Firefox is not running, restore SELinux labels for profile files
# (rhbz#1731371)
if [ $MOZILLA_DOWN -ne 0 ]; then
  if [ -x $GETENFORCE_FILE ] && [ `$GETENFORCE_FILE` != "Disabled" ] && [ -d ~/.mozilla/firefox ]; then
    (/usr/sbin/restorecon -vr ~/.mozilla/firefox &)
  fi
fi

# Modify language pack configuration only when firefox is not running 
# and language packs are not disabled
if [ $MOZILLA_DOWN -ne 0 ]; then

    # Clear already installed langpacks
    mkdir -p $MOZ_EXTENSIONS_PROFILE_DIR
    if [ -f $FEDORA_LANGPACK_CONFIG ]; then
        rm `cat $FEDORA_LANGPACK_CONFIG` > /dev/null 2>&1
        rm $FEDORA_LANGPACK_CONFIG > /dev/null 2>&1
        # remove all empty langpacks dirs while they block installation of langpacks
        rmdir $MOZ_EXTENSIONS_PROFILE_DIR/langpack* > /dev/null 2>&1
    fi

    # Get locale from system
    CURRENT_LOCALE=$LC_ALL
    CURRENT_LOCALE=${CURRENT_LOCALE:-$LC_MESSAGES}
    CURRENT_LOCALE=${CURRENT_LOCALE:-$LANG}

    # Try with a local variant first, then without a local variant
    SHORTMOZLOCALE=`echo $CURRENT_LOCALE | sed "s|_\([^.]*\).*||g" | sed "s|\..*||g"`
    MOZLOCALE=`echo $CURRENT_LOCALE | sed "s|_\([^.]*\).*|-\1|g" | sed "s|\..*||g"`

    function create_langpack_link() {
        local language=$*
        local langpack=langpack-${language}@firefox.mozilla.org.xpi
        if [ -f $MOZ_LANGPACKS_DIR/$langpack ]; then
            rm -rf $MOZ_EXTENSIONS_PROFILE_DIR/$langpack
            # If the target file is a symlink (the fallback langpack), 
            # install the original file instead of the fallback one
            if [ -h $MOZ_LANGPACKS_DIR/$langpack ]; then
                langpack=`readlink $MOZ_LANGPACKS_DIR/$langpack`
            fi
            ln -s $MOZ_LANGPACKS_DIR/$langpack \
                  $MOZ_EXTENSIONS_PROFILE_DIR/$langpack
            echo $MOZ_EXTENSIONS_PROFILE_DIR/$langpack > $FEDORA_LANGPACK_CONFIG
            return 0
        fi
        return 1
    }

    create_langpack_link $MOZLOCALE || create_langpack_link $SHORTMOZLOCALE || true
fi

# BEAST fix (rhbz#1005611)
NSS_SSL_CBC_RANDOM_IV=${NSS_SSL_CBC_RANDOM_IV-1}
export NSS_SSL_CBC_RANDOM_IV

# Flatpak specific environment variables


# Don't throw "old profile" dialog box.
export MOZ_ALLOW_DOWNGRADE=1

# Run the browser
debugging=0
if [ $debugging = 1 ]
then
  echo $MOZ_PROGRAM "$@"
fi

exec $MOZ_PROGRAM "$@"