#!/bin/sh
# postinst script for roundcube
#
# see: dh_installdeb(1)

set -e

. /usr/share/debconf/confmodule
. /usr/share/dbconfig-common/dpkg/postinst 
dbc_generate_include=php:/etc/roundcube/debian-db.php
dbc_generate_include_owner="www-data:www-data"
dbc_generate_include_perms="640"
dbc_dbfile_owner="www-data:www-data"
dbc_dbfile_perms="0660"
dbc_dbuser=roundcube
dbc_dbname=roundcube

dbc_go roundcube $@

lighttpd_install() {
	if [ ! -f /etc/lighttpd/conf-available/50-roundcube.conf ] ; then
		if [ ! -x /usr/sbin/lighty-enable-mod ] ; then
			echo "Lighttpd not installed, skipping"
		else
			ln -s /etc/roundcube/lighttpd.conf /etc/lighttpd/conf-available/50-roundcube.conf
			lighty-enable-mod roundcube
		fi
	fi
}

apache_install() {
	webserver=$1
	if [ -d /etc/$webserver/conf.d ] && [ ! -e /etc/$webserver/conf.d/roundcube ]; then
               ln -s /etc/roundcube/apache.conf /etc/$webserver/conf.d/roundcube
	fi
}


case "$1" in
    configure)

	# We try to fix an incomplete upgrade (see #610725)
	if [ -n "$2" ] && dpkg --compare-versions "$2" le 0.5-2; then
	    db_get roundcube/dbconfig-upgrade || true
	    if [ x"$RET" = x"true" ]; then
		# Ok, we may need to do some upgrade steps. Let's get
		# database parameters
		eval `sed -n 's/^\$\(.*\);$/\1/p' /etc/roundcube/debian-db.php`
		if [ x"$dbtype" = x"mysql" ]; then
		    echo "Fixing MySQL indexes (you can ignore errors)..."
		    MYSQLARGS="-f -u $dbuser -p$dbpass $dbname"
		    [ -z "$dbserver" ] || MYSQLARGS="-h $dbserver $MYSQLARGS"
		    [ -z "$dbport" ] || MYSQLARGS="-P $dbport $MYSQLARGS"
		    cat <<EOF | mysql $MYSQLARGS || true
ALTER TABLE \`messages\` ADD INDEX \`index_index\` (\`user_id\`, \`cache_key\`, \`idx\`);
ALTER TABLE \`session\` CHANGE \`vars\` \`vars\` MEDIUMTEXT NOT NULL;
ALTER TABLE \`contacts\`ADD INDEX \`user_contacts_index\` (\`user_id\`,\`email\`);
EOF
		fi
	    fi
	fi

 	CONFFILE=/etc/roundcube/main.inc.php
 	touch $CONFFILE.ucftmp
 	chmod 640 $CONFFILE.ucftmp

	db_get roundcube/hosts || true
	hosts="$RET"
	if [ "$hosts" != "" ]; then
	    hosts="array(\"$(echo $hosts | sed 's/ /\",\"/g')\")"
	else
	    hosts="''"
	fi

	db_get roundcube/language || true
	language="$RET"

	# Get current 3DES key from /etc/roundcube/main.inc.php
	[ -f /etc/roundcube/main.inc.php ] && {
	    deskey=$(sed -n "s+^\$rcmail_config\['des_key'\] = '\(.*\)';\$+\1+p" \
		/etc/roundcube/main.inc.php)
	}
	# If this is the default key, forget it !
	[ "$deskey" = "rcmail-!24ByteDESkey*Str" ] && unset deskey
	# Generate a new one
	while [ -z "$deskey" ]; do
	    deskey=$(dd if=/dev/urandom bs=1 count=200 2> /dev/null | \
		tr -c -d '[A-Za-z0-9]' | sed -n 's/\(.\{24\}\).*/\1/p')
	done

	# Put hosts, language and key in main.inc.php
	cat /usr/share/roundcube/main.inc.php.dist | \
	    sed -e "s+^\(\$rcmail_config\['default_host'\] = \)''\(;\)\$+\1${hosts}\2+" \
	        -e "s+^\(\$rcmail_config\['des_key'\] = '\).*\(';\)\$+\1$deskey\2+" \
	        -e "s+^\(\$rcmail_config\['language'\] = \).*\(;\)\$+\1'${language}'\2+" >> $CONFFILE.ucftmp

	ucf --debconf-ok $CONFFILE.ucftmp $CONFFILE
 	chown root:www-data $CONFFILE
        rm -f $CONFFILE.ucftmp
	
	# Handle webserver reconfiguration/restart ; stolen from zabbix package
	db_get roundcube/reconfigure-webserver || true
	webservers="$RET"
	restart=""

	for webserver in $webservers; do
            webserver=${webserver%,}
	    if [ "$webserver" = "lighttpd" ] ; then
		lighttpd_install
	    else
		apache_install $webserver
	    fi
            test -x /usr/sbin/$webserver || continue
            restart="$restart $webserver"
        done

        db_get roundcube/restart-webserver || true
	res="$RET"
	db_stop || true
	if [ "$res" = "true" ]; then
            for webserver in $restart; do
		webserver=${webserver%,}
		# Redirection of 3 is needed because Debconf uses it and it might
                # be inherited by webserver. See bug #446324.
		if [ -x /usr/sbin/invoke-rc.d ]; then
                    invoke-rc.d $webserver reload 3>/dev/null || true
		else
                    /etc/init.d/$webserver reload 3>/dev/null || true
		fi
            done
	fi

	chown -R www-data:adm /var/log/roundcube
	chmod -R 750 /var/log/roundcube
	chown -R www-data:www-data /var/lib/roundcube/temp
	chmod -R 750 /var/lib/roundcube/temp

    ;;

    abort-upgrade|abort-remove|abort-deconfigure)
    ;;

    *)
        echo "postinst called with unknown argument \`$1'" >&2
        exit 1
    ;;
esac


#DEBHELPER#

exit 0