#!/bin/sh
# postinst script for phpmyadmin

set -e

lighttpd_install() {
	if [ ! -f /etc/lighttpd/conf-available/50-phpmyadmin.conf ] ; then
		if [ ! -x /usr/sbin/lighty-enable-mod ] ; then
			echo "Lighttpd not installed, skipping"
		else
			ln -s ../../phpmyadmin/lighttpd.conf /etc/lighttpd/conf-available/50-phpmyadmin.conf
			# We also need auth to protect setup.php
			/usr/sbin/lighty-enable-mod phpmyadmin auth
		fi
	fi
}

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

	. /usr/share/debconf/confmodule
	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
    chmod 0640 /var/lib/phpmyadmin/config.inc.php

	# Configure Apache
	db_get phpmyadmin/reconfigure-webserver

	webservers="$RET"

	for webserver in $webservers; do
		webserver=${webserver%,}
		if [ "$webserver" = "lighttpd" ] ; then
			lighttpd_install
		else
			apache_install $webserver
		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 [ -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

	# warn about old pre-lenny symlink. Remove post-lenny.
	if dpkg --compare-versions "$2" lt-nl "4:2.10.1-1" \
		&& [ -L /var/www/phpmyadmin ] \
		&& [ `readlink -n /var/www/phpmyadmin` = "/usr/share/phpmyadmin" ]; then
	    echo "You have a symlink /var/www/phpmyadmin still present. This was needed "
	    echo "in older versions of the phpMyAdmin package to make it web-accessible. "
	    echo "It can now be removed because the package is configured directly "
	    echo "within the webserver."
	    echo
	fi
fi




exit 0