#!/bin/sh
#----------------------------------------------------------------------------------
# /var/install/bin/owncloud-pre-edit-config - edit configuration file
#
# Copyright (c) 2013-2021  The Eisfair Team, team(at)eisfair(dot)org
#
# Creation:     2013-05-21  jed
# Last Update:  $Id$
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#----------------------------------------------------------------------------------

# read eislib etc.
. /var/install/include/eislib
. /var/install/include/check-eisfair-version

pgmname=`basename $0`
module_name="`echo "${pgmname}" | cut -d- -f1 | cut -d. -f1`"

#exec 2> /tmp/${module_name}-pre-edit-config-trace$$.log
#set -x

apache2file=/etc/config.d/apache2
configfile=/etc/config.d/${module_name}

# read parameters
if [ -f ${configfile} ]
then
    . ${configfile}

    if [ -z "${OWNCLOUD_DOCUMENT_ROOT}" ]
    then
        if [ -f ${apache2file} ]
        then
            # read value from configuration file
            . ${apache2file}
            OWNCLOUD_DOCUMENT_ROOT="`echo "${APACHE2_DOCUMENT_ROOT}" | sed 's#/ *$##'`/${module_name}"
        else
            # use default value
            OWNCLOUD_DOCUMENT_ROOT="/var/www/htdocs/${module_name}"
        fi
    fi

    if [ -z "${OWNCLOUD_CRYPT_SALT}" -a -f ${OWNCLOUD_DOCUMENT_ROOT}/config/config.php ]
    then
        mecho -n "writing crypt salt to configuration ..."
        pwsalt=`grep "passwordsalt" ${OWNCLOUD_DOCUMENT_ROOT}/config/config.php | sed "s#^.*=> *'\(.*\)'.*#\1#"`

        if [ -n "${pwsalt}" ]
        then
            # update crypt salt
            sed "s/^\(OWNCLOUD_CRYPT_SALT\)=.*/\1='${pwsalt}' # password salt/" ${configfile} >${configfile}.tmp
            cp ${configfile}.tmp ${configfile}
            rm -f ${configfile}.tmp
            chmod 0600 ${configfile}

            echo --info "done."
        else
            echo --info "failed."
        fi

        sleep 5
    fi
fi

exit 0