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	diff --git a/installer/images/error.png b/installer/images/error.png
	new file mode 100755
	index 000000000..628cf2dae
	Binary files /dev/null and b/installer/images/error.png differ
	diff --git a/installer/index.php b/installer/index.php
	index d14e6ff37..6ece82385 100644
	--- a/installer/index.php
	+++ b/installer/index.php
	@@ -1,118 +1,135 @@
	<?php
	ini_set('error_reporting', E_ALL&~E_NOTICE);
	ini_set('display_errors', 1);

	define('INSTALL_PATH', realpath(dirname(__FILE__) . '/../').'/');
	define('RCMAIL_CONFIG_DIR', INSTALL_PATH . 'config');

	$include_path = INSTALL_PATH . 'program/lib' . PATH_SEPARATOR;
	$include_path .= INSTALL_PATH . 'program' . PATH_SEPARATOR;
	$include_path .= INSTALL_PATH . 'program/include' . PATH_SEPARATOR;
	$include_path .= ini_get('include_path');

	set_include_path($include_path);

	session_start();

	/**
	* Use PHP5 autoload for dynamic class loading
	* (copy from program/incllude/iniset.php)
	*/
	function __autoload($classname)
	{
	$filename = preg_replace(
	array('/MDB2_(.+)/', '/Mail_(.+)/', '/^html_.+/', '/^utf8$/'),
	array('MDB2/\\1', 'Mail/\\1', 'html', 'utf8.class'),
	$classname
	);
	include_once $filename. '.php';
	}

	$RCI = rcube_install::get_instance();
	$RCI->load_config();

	if (isset($_GET['_getfile']) && in_array($_GET['_getfile'], array('main', 'db'))) {
	$filename = $_GET['_getfile'] . '.inc.php';
	if (!empty($_SESSION[$filename])) {
	header('Content-type: text/plain');
	header('Content-Disposition: attachment; filename="'.$filename.'"');
	echo $_SESSION[$filename];
	exit;
	}
	else {
	header('HTTP/1.0 404 Not found');
	die("The requested configuration was not found. Please run the installer from the beginning.");
	}
	}

	+if (isset($_GET['_mergeconfig']) && in_array($_GET['_mergeconfig'], array('main', 'db'))) {
	+ $filename = $_GET['_mergeconfig'] . '.inc.php';
	+
	+ header('Content-type: text/plain');
	+ header('Content-Disposition: attachment; filename="'.$filename.'"');
	+
	+ $RCI->merge_config();
	+ echo $RCI->create_config($_GET['_mergeconfig'], true);
	+ exit;
	+}
	+
	+// go to 'test' step if we have a local configuration
	+if ($RCI->configured && empty($_REQUEST['_step'])) {
	+ header("Location: ./?_step=3");
	+ exit;
	+}
	+
	?>
	<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
	"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
	<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
	<head>
	<title>RoundCube Webmail Installer</title>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
	<link rel="stylesheet" type="text/css" href="styles.css" />
	<script type="text/javascript" src="client.js"></script>
	</head>

	<body>

	<div id="banner">
	<div id="header">
	<div class="banner-logo"><a href="http://www.roundcube.net"><img src="images/banner_logo.gif" width="200" height="56" border="0" alt="RoundCube Webmal Project" /></a></div>
	<div class="banner-right"><img src="images/banner_right.gif" width="10" height="56" alt="" /></div>
	</div>
	<div id="topnav">
	<a href="http://trac.roundcube.net/wiki/Howto_Install">How-to Wiki</a>
	</div>
	</div>

	<div id="content">

	<?php

	// exit if installation is complete
	if ($RCI->configured && !$RCI->getprop('enable_installer') && !$_SESSION['allowinstaller']) {
	// header("HTTP/1.0 404 Not Found");
	echo '<h2 class="error">The installer is disabled!</h2>';
	echo '<p>To enable it again, set <tt>$rcmail_config[\'enable_installer\'] = true;</tt> in '.RCMAIL_CONFIG_DIR.'/main.inc.php</p>';
	echo '</div></body></html>';
	exit;
	}

	?>

	<h1>RoundCube Webmail Installer</h1>

	<ol id="progress">
	<?php

	foreach (array('Check environment', 'Create config', 'Test config') as $i => $item) {
	$j = $i + 1;
	$link = ($RCI->step >= $j \|\| $RCI->configured) ? '<a href="./index.php?_step='.$j.'">' . Q($item) . '</a>' : Q($item);
	printf('<li class="step%d%s">%s</li>', $j+1, $RCI->step > $j ? ' passed' : ($RCI->step == $j ? ' current' : ''), $link);
	}
	?>
	</ol>

	<?php
	$include_steps = array('welcome.html', 'check.php', 'config.php', 'test.php');

	if ($include_steps[$RCI->step]) {
	include $include_steps[$RCI->step];
	}
	else {
	header("HTTP/1.0 404 Not Found");
	echo '<h2 class="error">Invalid step</h2>';
	}

	?>
	</div>

	<div id="footer">
	Installer by the RoundCube Dev Team. Copyright © 2008 - Published under the GNU Public License;
	Icons by <a href="http://famfamfam.com">famfamfam</a>
	</div>
	</body>
	</html>
	diff --git a/installer/rcube_install.php b/installer/rcube_install.php
	index 37645adbc..21e353c9c 100644
	--- a/installer/rcube_install.php
	+++ b/installer/rcube_install.php
	@@ -1,384 +1,465 @@
	<?php

	/*
	+-----------------------------------------------------------------------+
	\| rcube_install.php \|
	\| \|
	\| This file is part of the RoundCube Webmail package \|
	\| Copyright (C) 2008, RoundCube Dev. - Switzerland \|
	\| Licensed under the GNU Public License \|
	+-----------------------------------------------------------------------+

	$Id: $

	*/


	/**
	* Class to control the installation process of the RoundCube Webmail package
	*
	* @category Install
	* @package RoundCube
	* @author Thomas Bruederli
	*/
	class rcube_install
	{
	var $step;
	var $is_post = false;
	var $failures = 0;
	var $config = array();
	var $configured = false;
	var $last_error = null;
	var $email_pattern = '([a-z0-9][a-z0-9\-\.\+\_]@[a-z0-9]([a-z0-9\-][.]?)[a-z0-9])';
	var $config_props = array();
	+
	+ var $obsolete_config = array('db_backend');
	+ var $replaced_config = array('skin_path' => 'skin', 'locale_string' => 'language');
	+
	+ // these config options are optional or can be set to null
	+ var $optional_config = array(
	+ 'log_driver', 'syslog_id', 'syslog_facility', 'imap_auth_type',
	+ 'smtp_helo_host', 'sendmail_delay', 'double_auth', 'language',
	+ 'mail_header_delimiter', 'create_default_folders',
	+ 'quota_zero_as_unlimited', 'spellcheck_uri', 'spellcheck_languages',
	+ 'http_received_header', 'session_domain', 'mime_magic', 'log_logins',
	+ 'enable_installer', 'skin_include_php');

	/**
	* Constructor
	*/
	function rcube_install()
	{
	$this->step = intval($_REQUEST['_step']);
	$this->is_post = $_SERVER['REQUEST_METHOD'] == 'POST';
	}

	/**
	* Singleton getter
	*/
	function get_instance()
	{
	static $inst;

	if (!$inst)
	$inst = new rcube_install();

	return $inst;
	}

	/**
	* Read the default config files and store properties
	*/
	function load_defaults()
	{
	$this->_load_config('.php.dist');
	}


	/**
	* Read the local config files and store properties
	*/
	function load_config()
	{
	$this->config = array();
	$this->_load_config('.php');
	$this->configured = !empty($this->config);
	}

	/**
	* Read the default config file and store properties
	* @access private
	*/
	function _load_config($suffix)
	{
	@include RCMAIL_CONFIG_DIR . '/main.inc' . $suffix;
	if (is_array($rcmail_config)) {
	$this->config += $rcmail_config;
	}

	@include RCMAIL_CONFIG_DIR . '/db.inc'. $suffix;
	if (is_array($rcmail_config)) {
	$this->config += $rcmail_config;
	}
	}


	/**
	* Getter for a certain config property
	*
	* @param string Property name
	* @param string Default value
	* @return string The property value
	*/
	function getprop($name, $default = '')
	{
	$value = $this->config[$name];

	if ($name == 'des_key' && !$this->configured && !isset($_REQUEST["_$name"]))
	$value = rcube_install::random_key(24);

	return $value !== null && $value !== '' ? $value : $default;
	}


	/**
	* Take the default config file and replace the parameters
	* with the submitted form data
	*
	* @param string Which config file (either 'main' or 'db')
	* @return string The complete config file content
	*/
	- function create_config($which)
	+ function create_config($which, $force = false)
	{
	$out = file_get_contents("../config/{$which}.inc.php.dist");

	if (!$out)
	return '[Warning: could not read the template file]';

	foreach ($this->config as $prop => $default) {
	$value = (isset($_POST["_$prop"]) \|\| $this->config_props[$prop]) ? $_POST["_$prop"] : $default;

	// convert some form data
	if ($prop == 'debug_level') {
	$val = 0;
	if (is_array($value))
	foreach ($value as $dbgval)
	$val += intval($dbgval);
	$value = $val;
	}
	else if ($which == 'db' && $prop == 'db_dsnw' && !empty($_POST['_dbtype'])) {
	if ($_POST['_dbtype'] == 'sqlite')
	$value = sprintf('%s://%s?mode=0646', $_POST['_dbtype'], $_POST['_dbname']{0} == '/' ? '/' . $_POST['_dbname'] : $_POST['_dbname']);
	else
	$value = sprintf('%s://%s:%s@%s/%s', $_POST['_dbtype'],
	rawurlencode($_POST['_dbuser']), rawurlencode($_POST['_dbpass']), $_POST['_dbhost'], $_POST['_dbname']);
	}
	else if ($prop == 'smtp_auth_type' && $value == '0') {
	$value = '';
	}
	else if ($prop == 'default_host' && is_array($value)) {
	$value = rcube_install::_clean_array($value);
	if (count($value) <= 1)
	$value = $value[0];
	}
	else if ($prop == 'pagesize') {
	$value = max(2, intval($value));
	}
	else if ($prop == 'smtp_user' && !empty($_POST['_smtp_user_u'])) {
	$value = '%u';
	}
	else if ($prop == 'smtp_pass' && !empty($_POST['_smtp_user_u'])) {
	$value = '%p';
	}
	else if (is_bool($default)) {
	$value = (bool)$value;
	}
	else if (is_numeric($value)) {
	$value = intval($value);
	}

	// skip this property
	- if ($value == $default)
	+ if (!$force && ($value == $default))
	continue;

	// save change
	$this->config[$prop] = $value;

	// replace the matching line in config file
	$out = preg_replace(
	'/(\$rcmail_config\[\''.preg_quote($prop).'\'\])\s+=\s+(.+);/Uie',
	"'\\1 = ' . var_export(\$value, true) . ';'",
	$out);
	}

	return trim($out);
	}
	+
	+
	+ /**
	+ * Check the current configuration for missing properties
	+ * and deprecated or obsolete settings
	+ *
	+ * @return array List with problems detected
	+ */
	+ function check_config()
	+ {
	+ $this->config = array();
	+ $this->load_defaults();
	+ $defaults = $this->config;
	+
	+ $this->load_config();
	+ if (!$this->configured)
	+ return null;
	+
	+ $out = $seen = array();
	+ $optional = array_flip($this->optional_config);
	+
	+ // ireate over the current configuration
	+ foreach ($this->config as $prop => $value) {
	+ if ($replacement = $this->replaced_config[$prop]) {
	+ $out['replaced'][] = array('prop' => $prop, 'replacement' => $replacement);
	+ $seen[$replacement] = true;
	+ }
	+ else if (!$seen[$prop] && in_array($prop, $this->obsolete_config)) {
	+ $out['obsolete'][] = array('prop' => $prop);
	+ $seen[$prop] = true;
	+ }
	+ }
	+
	+ // iterate over default config
	+ foreach ($defaults as $prop => $value) {
	+ if (!$seen[$prop] && !isset($this->config[$prop]) && !isset($optional[$prop]))
	+ $out['missing'][] = array('prop' => $prop);
	+ }
	+
	+ return $out;
	+ }
	+
	+
	+ /**
	+ * Merge the current configuration with the defaults
	+ * and copy replaced values to the new options.
	+ */
	+ function merge_config()
	+ {
	+ $current = $this->config;
	+ $this->config = array();
	+ $this->load_defaults();
	+
	+ foreach ($this->replaced_config as $prop => $replacement)
	+ if (isset($current[$prop])) {
	+ if ($prop == 'skin_path')
	+ $this->config[$replacement] = preg_replace('#skins/(\w+)/?$#', '\\1', $current[$prop]);
	+ else
	+ $this->config[$replacement] = $current[$prop];
	+
	+ unset($current[$prop]);
	+ }
	+
	+ foreach ($this->obsolete_config as $prop) {
	+ unset($current[$prop]);
	+ }
	+
	+ $this->config = array_merge($current, $this->config);
	+ }


	/**
	* Getter for the last error message
	*
	* @return string Error message or null if none exists
	*/
	function get_error()
	{
	return $this->last_error['message'];
	}


	/**
	* Return a list with all imap hosts configured
	*
	* @return array Clean list with imap hosts
	*/
	function get_hostlist()
	{
	$default_hosts = (array)$this->getprop('default_host');
	$out = array();

	foreach ($default_hosts as $key => $name) {
	if (!empty($name))
	$out[] = is_numeric($key) ? $name : $key;
	}

	return $out;
	}


	/**
	* Display OK status
	*
	* @param string Test name
	* @param string Confirm message
	*/
	function pass($name, $message = '')
	{
	echo Q($name) . ':  <span class="success">OK</span>';
	$this->_showhint($message);
	}


	/**
	* Display an error status and increase failure count
	*
	* @param string Test name
	* @param string Error message
	* @param string URL for details
	*/
	function fail($name, $message = '', $url = '')
	{
	$this->failures++;

	echo Q($name) . ':  <span class="fail">NOT OK</span>';
	$this->_showhint($message, $url);
	}


	/**
	* Display warning status
	*
	* @param string Test name
	* @param string Warning message
	* @param string URL for details
	*/
	function na($name, $message = '', $url = '')
	{
	echo Q($name) . ':  <span class="na">NOT AVAILABLE</span>';
	$this->_showhint($message, $url);
	}


	function _showhint($message, $url = '')
	{
	$hint = Q($message);

	if ($url)
	$hint .= ($hint ? '; ' : '') . 'See <a href="' . Q($url) . '" target="_blank">' . Q($url) . '</a>';

	if ($hint)
	echo '<span class="indent">(' . $hint . ')</span>';
	}


	function _clean_array($arr)
	{
	$out = array();

	foreach (array_unique($arr) as $i => $val)
	if (!empty($val))
	$out[] = $val;

	return $out;
	}


	/**
	* Initialize the database with the according schema
	*
	* @param object rcube_db Database connection
	* @return boolen True on success, False on error
	*/
	function init_db($DB)
	{
	$db_map = array('pgsql' => 'postgres', 'mysqli' => 'mysql');
	$engine = isset($db_map[$DB->db_provider]) ? $db_map[$DB->db_provider] : $DB->db_provider;

	// find out db version
	if ($engine == 'mysql') {
	$DB->query('SELECT VERSION() AS version');
	$sql_arr = $DB->fetch_assoc();
	$version = floatval($sql_arr['version']);

	if ($version >= 4.1)
	$engine = 'mysql5';
	}

	// read schema file from /SQL/*
	$fname = "../SQL/$engine.initial.sql";
	if ($lines = @file($fname, FILE_SKIP_EMPTY_LINES)) {
	$buff = '';
	foreach ($lines as $i => $line) {
	if (eregi('^--', $line))
	continue;

	$buff .= $line . "\n";
	if (eregi(';$', trim($line))) {
	$DB->query($buff);
	$buff = '';
	if ($this->get_error())
	break;
	}
	}
	}
	else {
	$this->fail('DB Schema', "Cannot read the schema file: $fname");
	return false;
	}

	if ($err = $this->get_error()) {
	$this->fail('DB Schema', "Error creating database schema: $err");
	return false;
	}

	return true;
	}

	/**
	* Handler for RoundCube errors
	*/
	function raise_error($p)
	{
	$this->last_error = $p;
	}


	/**
	* Generarte a ramdom string to be used as encryption key
	*
	* @param int Key length
	* @return string The generated random string
	* @static
	*/
	function random_key($length)
	{
	$alpha = 'ABCDEFGHIJKLMNOPQERSTUVXYZabcdefghijklmnopqrtsuvwxyz0123456789+*%&?!$-_=';
	$out = '';

	for ($i=0; $i < $length; $i++)
	$out .= $alpha{rand(0, strlen($alpha)-1)};

	return $out;
	}

	}


	/**
	* Shortcut function for htmlentities()
	*
	* @param string String to quote
	* @return string The html-encoded string
	*/
	function Q($string)
	{
	return htmlentities($string);
	}


	/**
	* Fake rinternal error handler to catch errors
	*/
	function raise_error($p)
	{
	$rci = rcube_install::get_instance();
	$rci->raise_error($p);
	}

	diff --git a/installer/styles.css b/installer/styles.css
	index ed64ff001..1acdc9cd0 100644
	--- a/installer/styles.css
	+++ b/installer/styles.css
	@@ -1,231 +1,244 @@

	body {
	margin: 1em 2em 2em 2em;
	background-color: #fff;
	}

	body, td, th, div, p {
	font-family: "Lucida Grande", Verdana, Arial, Helvetica, sans-serif;
	font-size: small;
	color: #000;
	}

	#banner {
	position: relative;
	}

	#header {
	position: relative;
	height: 56px;
	background: url('images/banner_bg.gif') top left repeat-x #fff;
	}

	#header div.banner-logo {
	position: absolute;
	top: 0px;
	left: 0px;
	width: 200px;
	height: 56px;
	}

	#header div.banner-right {
	position: absolute;
	right: 0px;
	top: 0px;
	width: 10px;
	height: 56px;
	}

	#topnav {
	position: absolute;
	right: 20px;
	bottom: 8px;
	text-align: right;
	color: #ebebeb;
	font-size: smaller;
	}

	#topnav a {
	color: #ebebeb;
	font-size: 11px;
	text-decoration: none;
	}

	#topnav a:hover {
	text-decoration: underline;
	}

	#content {
	margin: 8px 20px;
	}

	#footer {
	margin: 2em 20px 1em 20px;
	padding-top: 0.6em;
	font-size: smaller;
	text-align: center;
	border-top: 1px dotted #999;
	}

	#progress {
	margin-bottom: 2em;
	border: 1px solid #aaa;
	background-color: #f9f9f9;
	}

	#progress:after {
	content: ".";
	display: block;
	height: 0;
	font-size: 0;
	clear: both;
	visibility: hidden;
	}

	#progress li {
	float: left;
	color: #999;
	padding: 1em 5em 1em 0.2em;
	}

	#progress li a {
	color: #999;
	text-decoration: none;
	}

	#progress li a:hover {
	text-decoration: underline;
	}

	#progress li.current {
	color: #000;
	font-weight: bold;
	}

	#progress li.passed,
	#progress li.passed a,
	#progress li.current a {
	color: #333;
	}

	fieldset {
	margin-bottom: 1.5em;
	border: 1px solid #aaa;
	background-color: #f9f9f9;
	}

	fieldset p.hint {
	margin-top: 0.5em;
	}

	legend {
	font-size: 1.1em;
	font-weight: bold;
	}

	textarea.configfile {
	background-color: #f9f9f9;
	font-family: monospace;
	font-size: 9pt;
	width: 100%;
	height: 30em;
	}

	-dt.propname {
	+.propname {
	font-family: monospace;
	font-size: 9pt;
	margin-top: 1em;
	margin-bottom: 0.6em;
	}

	dd div {
	margin-top: 0.3em;
	}

	dd label {
	padding-left: 0.5em;
	}

	th {
	text-align: left;
	}

	ul li {
	margin: 0.3em 0 0.4em -1em;
	}

	ul li ul li {
	margin-bottom: 0.2em;
	}

	h3 {
	font-size: 1.1em;
	margin-top: 1.5em;
	margin-bottom: 0.6em;
	}

	h4 {
	margin-bottom: 0.2em;
	}

	a.blocktoggle {
	color: #666;
	text-decoration: none;
	}

	a.addlink {
	color: #999;
	font-size: 0.9em;
	padding: 1px 0 1px 20px;
	background: url('images/add.png') top left no-repeat;
	text-decoration: none;
	}

	a.removelink {
	color: #999;
	font-size: 0.9em;
	padding: 1px 0 1px 24px;
	background: url('images/delete.png') 4px 0 no-repeat;
	text-decoration: none;
	}

	.hint {
	color: #666;
	font-size: 0.95em;
	}

	.success {
	color: #006400;
	font-weight: bold !important;
	}

	.fail {
	color: #ff0000 !important;
	font-weight: bold !important;
	}

	.na {
	color: #f60;
	font-weight: bold;
	}

	.indent {
	padding-left: 0.8em;
	}

	.notice {
	padding: 1em;
	background-color: #f7fdcb;
	border: 2px solid #c2d071;
	}

	-.warning {
	+.suggestion {
	+ padding: 0.6em;
	+ background-color: #ebebeb;
	+ border: 1px solid #999;
	+}
	+
	+p.warning,
	+div.warning {
	padding: 1em;
	background-color: #ef9398;
	border: 2px solid #dc5757;
	}

	+h3.warning {
	+ color: #c00;
	+ background: url('images/error.png') top left no-repeat;
	+ padding-left: 24px;
	+}
	+
	.userconf {
	color: #00c;
	font-family: "Lucida Grande", Verdana, Arial, Helvetica, sans-serif;
	}
	diff --git a/installer/test.php b/installer/test.php
	index ca7c7add4..8af6a6aef 100644
	--- a/installer/test.php
	+++ b/installer/test.php
	@@ -1,345 +1,389 @@
	<form action="index.php?_step=3" method="post">

	<h3>Check config files</h3>
	<?php

	$read_main = is_readable(RCMAIL_CONFIG_DIR.'/main.inc.php');
	$read_db = is_readable(RCMAIL_CONFIG_DIR.'/db.inc.php');

	if ($read_main && !empty($RCI->config)) {
	$RCI->pass('main.inc.php');
	}
	else if ($read_main) {
	$RCI->fail('main.inc.php', 'Syntax error');
	}
	else if (!$read_main) {
	$RCI->fail('main.inc.php', 'Unable to read file. Did you create the config files?');
	}
	echo '<br />';

	if ($read_db && !empty($RCI->config['db_table_users'])) {
	$RCI->pass('db.inc.php');
	}
	else if ($read_db) {
	$RCI->fail('db.inc.php', 'Syntax error');
	}
	else if (!$read_db) {
	$RCI->fail('db.inc.php', 'Unable to read file. Did you create the config files?');
	}

	+if ($RCI->configured && ($messages = $RCI->check_config())) {
	+
	+ if (is_array($messages['missing'])) {
	+ echo '<h3 class="warning">Missing config options</h3>';
	+ echo '<p class="hint">The following config options are not present in the current configuration.<br/>';
	+ echo 'Please check the default config files and add the missing properties to your local config files.</p>';
	+
	+ echo '<ul class="configwarings">';
	+ foreach ($messages['missing'] as $msg) {
	+ echo html::tag('li', null, html::span('propname', $msg['prop']) . ($msg['name'] ? ': ' . $msg['name'] : ''));
	+ }
	+ echo '</ul>';
	+ }
	+
	+ if (is_array($messages['replaced'])) {
	+ echo '<h3 class="warning">Replaced config options</h3>';
	+ echo '<p class="hint">The following config options have been replaced or renamed. ';
	+ echo 'Please update them accordingly in your config files.</p>';
	+
	+ echo '<ul class="configwarings">';
	+ foreach ($messages['replaced'] as $msg) {
	+ echo html::tag('li', null, html::span('propname', $msg['prop']) .
	+ ' was replaced by ' . html::span('propname', $msg['replacement']));
	+ }
	+ echo '</ul>';
	+ }
	+
	+ if (is_array($messages['obsolete'])) {
	+ echo '<h3>Obsolete config options</h3>';
	+ echo '<p class="hint">You still have some obsolete or inexistent properties set. This isn\'t a problem but should be noticed.</p>';
	+
	+ echo '<ul class="configwarings">';
	+ foreach ($messages['obsolete'] as $msg) {
	+ echo html::tag('li', null, html::span('propname', $msg['prop']) . ($msg['name'] ? ': ' . $msg['name'] : ''));
	+ }
	+ echo '</ul>';
	+ }
	+
	+ echo '<p class="suggestion">OK, lazy people can download the updated config files here: ';
	+ echo html::a(array('href' => './?_mergeconfig=main'), 'main.inc.php') . '  ';
	+ echo html::a(array('href' => './?_mergeconfig=db'), 'db.inc.php');
	+ echo "</p>";
	+}
	+
	?>

	<h3>Check if directories are writable</h3>
	<p>RoundCube may need to write/save files into these directories</p>
	<?php

	if ($RCI->configured) {
	$pass = false;

	$dirs[] = $RCI->config['temp_dir'];
	if($RCI->config['log_driver'] != 'syslog')
	$dirs[] = $RCI->config['log_dir'];

	foreach ($dirs as $dir) {
	$dirpath = $dir{0} == '/' ? $dir : INSTALL_PATH . $dir;
	if (is_writable(realpath($dirpath))) {
	$RCI->pass($dir);
	$pass = true;
	}
	else {
	$RCI->fail($dir, 'not writeable for the webserver');
	}
	echo '<br />';
	}

	if (!$pass)
	echo '<p class="hint">Use <tt>chmod</tt> or <tt>chown</tt> to grant write privileges to the webserver</p>';
	}
	else {
	$RCI->fail('Config', 'Could not read config files');
	}

	?>

	<h3>Check configured database settings</h3>
	<?php

	$db_working = false;
	if ($RCI->configured) {
	if (!empty($RCI->config['db_dsnw'])) {

	$DB = new rcube_mdb2($RCI->config['db_dsnw'], '', false);
	$DB->db_connect('w');
	if (!($db_error_msg = $DB->is_error())) {
	$RCI->pass('DSN (write)');
	echo '<br />';
	$db_working = true;
	}
	else {
	$RCI->fail('DSN (write)', $db_error_msg);
	echo '<p class="hint">Make sure that the configured database exists and that the user has write privileges<br />';
	echo 'DSN: ' . $RCI->config['db_dsnw'] . '</p>';
	}
	}
	else {
	$RCI->fail('DSN (write)', 'not set');
	}
	}
	else {
	$RCI->fail('Config', 'Could not read config files');
	}

	// initialize db with schema found in /SQL/*
	if ($db_working && $_POST['initdb']) {
	if (!($success = $RCI->init_db($DB))) {
	$db_working = false;
	echo '<p class="warning">Please try to inizialize the database manually as described in the INSTALL guide.
	Make sure that the configured database extists and that the user as write privileges</p>';
	}
	}

	// test database
	if ($db_working) {
	$db_read = $DB->query("SELECT count(*) FROM {$RCI->config['db_table_users']}");
	if (!$db_read) {
	$RCI->fail('DB Schema', "Database not initialized");
	$db_working = false;
	echo '<p><input type="submit" name="initdb" value="Initialize database" /></p>';
	}
	else {
	$RCI->pass('DB Schema');
	}
	echo '<br />';
	}

	// more database tests
	if ($db_working) {
	// write test
	$insert_id = md5(uniqid());
	$db_write = $DB->query("INSERT INTO {$RCI->config['db_table_session']} (sess_id, created, ip, vars) VALUES (?, ".$DB->now().", '127.0.0.1', 'foo')", $insert_id);

	if ($db_write) {
	$RCI->pass('DB Write');
	$DB->query("DELETE FROM {$RCI->config['db_table_session']} WHERE sess_id=?", $insert_id);
	}
	else {
	$RCI->fail('DB Write', $RCI->get_error());
	}
	echo '<br />';

	// check timezone settings
	$tz_db = 'SELECT ' . $DB->unixtimestamp($DB->now()) . ' AS tz_db';
	$tz_db = $DB->query($tz_db);
	$tz_db = $DB->fetch_assoc($tz_db);
	$tz_db = (int) $tz_db['tz_db'];
	$tz_local = (int) time();
	$tz_diff = $tz_local - $tz_db;

	// sometimes db and web servers are on separate hosts, so allow a 30 minutes delta
	if (abs($tz_diff) > 1800) {
	$RCI->fail('DB Time', "Database time differs {$td_ziff}s from PHP time");
	}
	else {
	$RCI->pass('DB Time');
	}
	}

	?>

	<h3>Test SMTP settings</h3>

	<p>
	Server: <?php echo $RCI->getprop('smtp_server', 'PHP mail()'); ?><br />
	Port: <?php echo $RCI->getprop('smtp_port'); ?><br />

	<?php

	if ($RCI->getprop('smtp_server')) {
	$user = $RCI->getprop('smtp_user', '(none)');
	$pass = $RCI->getprop('smtp_pass', '(none)');

	if ($user == '%u') {
	$user_field = new html_inputfield(array('name' => '_smtp_user'));
	$user = $user_field->show($_POST['_smtp_user']);
	}
	if ($pass == '%p') {
	$pass_field = new html_passwordfield(array('name' => '_smtp_pass'));
	$pass = $pass_field->show();
	}

	echo "User: $user<br />";
	echo "Password: $pass<br />";
	}

	$from_field = new html_inputfield(array('name' => '_from', 'id' => 'sendmailfrom'));
	$to_field = new html_inputfield(array('name' => '_to', 'id' => 'sendmailto'));

	?>
	</p>

	<?php

	if (isset($_POST['sendmail']) && !empty($_POST['_from']) && !empty($_POST['_to'])) {

	require_once 'rcube_smtp.inc';

	echo '<p>Trying to send email...<br />';

	if (preg_match('/^' . $RCI->email_pattern . '$/i', trim($_POST['_from'])) &&
	preg_match('/^' . $RCI->email_pattern . '$/i', trim($_POST['_to']))) {

	$headers = array(
	'From' => trim($_POST['_from']),
	'To' => trim($_POST['_to']),
	'Subject' => 'Test message from RoundCube',
	);

	$body = 'This is a test to confirm that RoundCube can send email.';
	$smtp_response = array();

	// send mail using configured SMTP server
	if ($RCI->getprop('smtp_server')) {
	$CONFIG = $RCI->config;

	if (!empty($_POST['_smtp_user'])) {
	$CONFIG['smtp_user'] = $_POST['_smtp_user'];
	}
	if (!empty($_POST['_smtp_pass'])) {
	$CONFIG['smtp_pass'] = $_POST['_smtp_pass'];
	}

	$mail_object = new rcube_mail_mime();
	$send_headers = $mail_object->headers($headers);

	$status = smtp_mail($headers['From'], $headers['To'],
	($foo = $mail_object->txtHeaders($send_headers)),
	$body, $smtp_response);
	}
	else { // use mail()
	$header_str = 'From: ' . $headers['From'];

	if (ini_get('safe_mode'))
	$status = mail($headers['To'], $headers['Subject'], $body, $header_str);
	else
	$status = mail($headers['To'], $headers['Subject'], $body, $header_str, '-f'.$headers['From']);

	if (!$status)
	$smtp_response[] = 'Mail delivery with mail() failed. Check your error logs for details';
	}

	if ($status) {
	$RCI->pass('SMTP send');
	}
	else {
	$RCI->fail('SMTP send', join('; ', $smtp_response));
	}
	}
	else {
	$RCI->fail('SMTP send', 'Invalid sender or recipient');
	}
	}

	echo '</p>';

	?>

	<table>
	<tbody>
	<tr>
	<td><label for="sendmailfrom">Sender</label></td>
	<td><?php echo $from_field->show($_POST['_from']); ?></td>
	</tr>
	<tr>
	<td><label for="sendmailto">Recipient</label></td>
	<td><?php echo $to_field->show($_POST['_to']); ?></td>
	</tr>
	</tbody>
	</table>

	<p><input type="submit" name="sendmail" value="Send test mail" /></p>


	<h3>Test IMAP configuration</h3>

	<?php

	$default_hosts = $RCI->get_hostlist();
	if (!empty($default_hosts)) {
	$host_field = new html_select(array('name' => '_host', 'id' => 'imaphost'));
	$host_field->add($default_hosts);
	}
	else {
	$host_field = new html_inputfield(array('name' => '_host', 'id' => 'imaphost'));
	}

	$user_field = new html_inputfield(array('name' => '_user', 'id' => 'imapuser'));
	$pass_field = new html_passwordfield(array('name' => '_pass', 'id' => 'imappass'));

	?>

	<table>
	<tbody>
	<tr>
	<td><label for="imaphost">Server</label></td>
	<td><?php echo $host_field->show($_POST['_host']); ?></td>
	</tr>
	<tr>
	<td>Port</td>
	<td><?php echo $RCI->getprop('default_port'); ?></td>
	</tr>
	<tr>
	<td><label for="imapuser">Username</label></td>
	<td><?php echo $user_field->show($_POST['_user']); ?></td>
	</tr>
	<tr>
	<td><label for="imappass">Password</label></td>
	<td><?php echo $pass_field->show(); ?></td>
	</tr>
	</tbody>
	</table>

	<?php

	if (isset($_POST['imaptest']) && !empty($_POST['_host']) && !empty($_POST['_user'])) {

	echo '<p>Connecting to ' . Q($_POST['_host']) . '...<br />';

	$a_host = parse_url($_POST['_host']);
	if ($a_host['host']) {
	$imap_host = $a_host['host'];
	$imap_ssl = (isset($a_host['scheme']) && in_array($a_host['scheme'], array('ssl','imaps','tls'))) ? $a_host['scheme'] : null;
	$imap_port = isset($a_host['port']) ? $a_host['port'] : ($imap_ssl ? 993 : $CONFIG['default_port']);
	}
	else {
	$imap_host = trim($_POST['_host']);
	$imap_port = $RCI->getprop('default_port');
	}

	$imap = new rcube_imap(null);
	if ($imap->connect($imap_host, $_POST['_user'], $_POST['_pass'], $imap_port, $imap_ssl)) {
	$RCI->pass('IMAP connect', 'SORT capability: ' . ($imap->get_capability('SORT') ? 'yes' : 'no'));
	$imap->close();
	}
	else {
	$RCI->fail('IMAP connect', $RCI->get_error());
	}
	}

	?>

	<p><input type="submit" name="imaptest" value="Check login" /></p>

	</form>

	<hr />

	<p class="warning">

	After completing the installation and the final tests please <b>remove</b> the whole
	installer folder from the document root of the webserver.<br />
	<br />

	These files may expose sensitive configuration data like server passwords and encryption keys
	to the public. Make sure you cannot access this installer from your browser.

	</p>

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