#!/bin/bash
# 
# Run Firefox in Kiosk mode for lwat
# Author:       2008 Jose Ricardo Pla Pons
# Re-structure: 2009 Luis Garcia Gisbert <garcia_luigis@gva.es>
# Minor fixes:  2009 Fco Javier Lopez Perez <lopez_frajav@gva.es>

declare -a PROFILE_LIST

chromefile='/usr/share/lliurex-lwat/profile/userChrome.css'
profilefile='/usr/share/lliurex-lwat/profile/profilelwat'
FIRE_PATH="$HOME/.mozilla/firefox"
PROFILE_PATH="$FIRE_PATH/lwat-client"
chromepath="$FIRE_PATH/lwat-client/chrome"
mozillaprofileini="$FIRE_PATH/profiles.ini"

mozillaprofilename='lwat-client'
numberprofile=0
#PROFILE_REGEXP="^[[:blank:]]*\[Profile.*\][[:blank:]]*$"
COPY_LIST="cert8.db secmod.db key3.db"
export TEXTDOMAIN="lwat-client"
MSG_ERROR="$(gettext "You must close firefox before running lwat")"

profile_regexp(){
   PNAME="$1"
   [ "$PNAME" ] || PNAME="Profile.*"
   echo "^[[:blank:]]*\[$PNAME\][[:blank:]]*$"
   return 0
}

list_profile_names(){
   sed -ne "/$(profile_regexp)/{s%^.*\[%%;s%\].*$%%;p}" "$mozillaprofileini"
   return 0
}

get_profile_data(){
   sed -ne "/$(profile_regexp "$1")/,/$(profile_regexp)/{/^$2=/s%^$2=%%p}" "$mozillaprofileini"
   return 0
}

get_profile_name(){
   get_profile_data "$1" Name
   return 0
}

get_profile_path(){
   get_profile_data "$1" Path
   return 0
}

get_default_profile(){
   NUM_PROF=$(sed -ne "/^Default=/s%^.*=%%p" "$mozillaprofileini")
   [ "$NUM_PROF" ] || NUM_PROF=1
   NUM_PROF=$(($NUM_PROF - 1))
   echo ${PROFILE_LIST[$NUM_PROF]}
   return 0
}


lwat_profile_test(){
	[ -d "$chromepath" ] || return 1
	grep -q "$mozillaprofilename" "$mozillaprofileini" || return 1
	return 0
}

lwat_profile_make(){
	numberprofile=$(grep -c "$(profile_regexp)" "$mozillaprofileini") || numberprofile=0
        TMP_FILE="$(tempfile)"
	cp -a "$mozillaprofileini" "$TMP_FILE"
	for p in ${PROFILE_LIST[@]} ; do
		if [ "$(get_profile_name "$p")" = "$mozillaprofilename" ] ; then
			sed -i -e "/$(profile_regexp "$p")/,/$(profile_regexp)/d" "$TMP_FILE"
		fi
	done
	sed -i -e "/^Default=/d" "$TMP_FILE"
	sed -e "s/_@_PROFILE_NUMBER_@_/$numberprofile/" "$profilefile"  >> "$TMP_FILE"
	mv -f "$TMP_FILE" "$mozillaprofileini"
	mkdir -p "$chromepath"
	cp "$chromefile" "$chromepath"
	DEF_PROF_NAME="$(get_default_profile)"
	DEF_PROF_PATH="$(get_profile_path "$DEF_PROF_NAME")"
	for f in $COPY_LIST ; do
		F="$FIRE_PATH/$DEF_PROF_PATH/$f"
		[ ! -e "$F" ] || cp "$F" "$PROFILE_PATH"
	done
	lliurex-user-certs
	return 0
}

run_firefox(){	
	FIREFOX_IS_RUNNING=""
	pid=$(pidof firefox)
	for numpro in $pid; do
		piduser="$(ps -p $numpro -o user=)"
		if [ "$piduser" = "$LOGNAME" ]; then
			FIREFOX_IS_RUNNING="Y"
		fi
	done

	if [ "$FIREFOX_IS_RUNNING" ]; then
		zenity --error --text="$MSG_ERROR" --title="Lwat-Client"
	else
		firefox -P lwat-client http://admin
	fi

}

# main
[ -e "$mozillaprofileini" ] || exit 0
[ "$HOME" ] || exit 0
[ "$LOGNAME" ] || exit 0
PROFILE_LIST=($(list_profile_names))
[ ${#PROFILE_LIST[@]} -gt 0 ] || exit 0
lwat_profile_test || lwat_profile_make
run_firefox
exit 0