#!/bin/sh
# postinst script for phpmyadmin

set -e

avahi_install() {
	if [ -d /etc/avahi/services/ -a ! -e /etc/avahi/services/phpmyadmin.service -a ! -L /etc/avahi/services/phpmyadmin.service ] ; then
		ln -s ../../phpmyadmin/phpmyadmin.service /etc/avahi/services/
	fi
}

desktop_install() {
	if [ -d /usr/share/applications/ -a ! -e /usr/share/applications/phpmyadmin.desktop -a ! -L /usr/share/applications/phpmyadmin.desktop ] ; then
		ln -s /etc/phpmyadmin/phpmyadmin.desktop /usr/share/applications/
	fi
}

lighttpd_install() {
	if [ ! -f /etc/lighttpd/conf-available/50-phpmyadmin.conf ] ; then
		if which lighty-enable-mod >/dev/null 2>&1 ; then
			ln -s ../../phpmyadmin/lighttpd.conf /etc/lighttpd/conf-available/50-phpmyadmin.conf
			# We also need auth to protect setup.php
			lighty-enable-mod phpmyadmin auth fastcgi fastcgi-php
			avahi_install
			desktop_install
		else
			echo "Lighttpd not installed, skipping"
		fi
	fi
}

apache_install() {
	mkdir -p /etc/apache2/conf-available
	ln -sf ../../phpmyadmin/apache.conf /etc/apache2/conf-available/phpmyadmin.conf
	
	COMMON_STATE=$(dpkg-query -f '${Status}' -W 'apache2.2-common' 2>/dev/null | awk '{print $3}' || true)

	if [ -e /usr/share/apache2/apache2-maintscript-helper ] ; then
		. /usr/share/apache2/apache2-maintscript-helper
		apache2_invoke enconf phpmyadmin
	elif [ "$COMMON_STATE" = "installed" ] || [ "$COMMON_STATE" = "unpacked" ] ; then
		[ -d /etc/apache2/conf.d/ ] && [ ! -L /etc/apache2/conf.d/phpmyadmin.conf ] && ln -s ../conf-available/phpmyadmin.conf /etc/apache2/conf.d/phpmyadmin.conf
	fi

	avahi_install
	desktop_install
}

. /usr/share/debconf/confmodule

. /usr/share/dbconfig-common/dpkg/postinst.mysql
dbc_generate_include_owner="root:www-data"
dbc_generate_include_perms="0640"
dbc_generate_include=php:/etc/phpmyadmin/config-db.php

if ! dbc_go phpmyadmin $@ ; then
	echo 'Automatic configuration using dbconfig-common failed!'
fi

if [ "$1" = "configure" ]; then

	# Generate secret for cookie encryption
	if [ ! -f /var/lib/phpmyadmin/blowfish_secret.inc.php ]; then
		touch /var/lib/phpmyadmin/blowfish_secret.inc.php
		chgrp www-data /var/lib/phpmyadmin/blowfish_secret.inc.php
		chmod 640 /var/lib/phpmyadmin/blowfish_secret.inc.php
		printf "<?php\n\$cfg['blowfish_secret'] = '%s';\n" \
		`perl -le 'print map{("a".."z","A".."Z",0..9)[int(rand(62))]}(1..24)'` \
			>> /var/lib/phpmyadmin/blowfish_secret.inc.php
	fi

	db_version 2.0

	# The following only on a new install
	if [ "$2" = "" ]; then

		# Generate an htpasswd file for the web based setup
		if [ ! -f /etc/phpmyadmin/htpasswd.setup ]; then

			touch /etc/phpmyadmin/htpasswd.setup
			chgrp www-data /etc/phpmyadmin/htpasswd.setup
			chmod 0640 /etc/phpmyadmin/htpasswd.setup
			db_get phpmyadmin/setup-username
			setup_username=${RET:-admin}
			db_get phpmyadmin/setup-password
			if [ -n "$RET" ]; then
				setup_password=`perl -le 'print crypt($ARGV[0], join("", map{("a".."z","A".."Z",0..9)[int(rand(62))]}(1..2)))' "$RET"`
			else
				setup_password="*"
			fi
			echo "$setup_username:$setup_password" > /etc/phpmyadmin/htpasswd.setup
			db_reset phpmyadmin/setup-username || true
			db_reset phpmyadmin/setup-password || true

			if [ ! -f /var/lib/phpmyadmin/config.inc.php ]; then
				touch /var/lib/phpmyadmin/config.inc.php
				chgrp www-data /var/lib/phpmyadmin/config.inc.php
				chmod 0640 /var/lib/phpmyadmin/config.inc.php
			fi

		fi

	fi

    # Fixup permissions
    if [ -f /var/lib/phpmyadmin/config.inc.php ]; then
        chmod 0640 /var/lib/phpmyadmin/config.inc.php
    fi
	if ! dpkg-statoverride --list /var/lib/phpmyadmin/tmp >/dev/null; then
		chown -R www-data:www-data    /var/lib/phpmyadmin/tmp
	fi

	# Configure Apache
	db_get phpmyadmin/reconfigure-webserver

	webservers="$RET"

	for webserver in $webservers; do
		webserver=${webserver%,}
		if [ "$webserver" = "lighttpd" ] ; then
			lighttpd_install
		else
			# Need to pass params for apache2-maintscript-helper
			apache_install $@
		fi
		# Reload webserver in any case, configuration might have changed
		# Redirection of 3 is needed because Debconf uses it and it might 
		# be inherited by webserver. See bug #446324.
        if [ -f /etc/init.d/$webserver ] ; then
            if which invoke-rc.d > /dev/null ; then
                if invoke-rc.d $webserver status > /dev/null 2>&1 ; then
                    invoke-rc.d $webserver reload 3>/dev/null || true
                fi
            else
                if /etc/init.d/$webserver status > /dev/null 2>&1 ; then
                    /etc/init.d/$webserver reload 3>/dev/null || true
                fi
            fi
        fi
	done
fi



exit 0