<?php
/**
 * Copyright (c) 2008, Till Klampaeckel
 * 
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 * 
 *  * Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright notice, this
 *    list of conditions and the following disclaimer in the documentation and/or
 *    other materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * PHP Version 5
 *
 * @category Config
 * @package  RoundCube
 * @author   Till Klampaeckel <till@php.net>
 * @license  http://www.opensource.org/licenses/bsd-license.php The BSD License
 * @version  CVS: $Id$
 * @link     https://svn.roundcube.net/trunk
 * @todo     HTML/CSS to make it pretty.
 * @todo     In devel-next, use bootstrap.
 * @todo     Refactor to use RoundCube classes.
 */

$rctest_config         = array();

/**
 * @var string Please edit this to an email address, such as yourname@example.org.
 *             This email address serves as from and to for the test emails.
 */
$rctest_config['from'] = '_yourfrom_';

/*
 ********************************************
 ********************************************
 ** Don't edit anything else in this file. **
 ** Unless (of course) you know what you   **
 ** are doing.                             **
 ********************************************
 ********************************************
 */

define('CHECK_OK', '<span class="success">OK</span>');
define('CHECK_NOK', '<span class="fail">NOT OK</span>');
define('CHECK_NA', '<span class="na">NOT AVAILABLE</span>');

error_reporting(E_ALL ^E_NOTICE);

$include_path  = dirname(__FILE__) . '/program/lib';
$include_path .= PATH_SEPARATOR;
$include_path .= dirname(__FILE__) . '/program';
$include_path .= PATH_SEPARATOR;
$include_path .= get_include_path();

@ini_set('display_errors', 1);
set_include_path($include_path);

$create_files = array('config/db.inc.php', 'config/main.inc.php');

$required_libs = array('PEAR' => 'PEAR.php', 'DB' => 'DB.php',
    'Net_SMTP' => 'Net/SMTP.php', 'Mail_mime' => 'Mail/mime.php',
    'MDB2' => 'MDB2.php', 'iilConnection' => 'lib/imap.inc');

$supported_drivers = array('MDB2#mysql' => 'MDB2/Driver/mysql.php',
    'MDB2#pgsql' => 'MDB2/Driver/pgsql.php', 'MDB2#sqlite' => 'MDB2/Driver/sqlite.php');

$supported_dbs = array('MySQL' => 'mysql', 'MySQLi' => 'mysqli',
    'PostgreSQL' => 'pgsql', 'SQLite (v2)' => 'sqlite');

$path  = dirname(__FILE__) . '/';
$check = basename(__FILE__);

include_once 'include/bugs.inc';
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/2002/REC-xhtml1-20020801/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
    <link rel="shortcut icon" href="skins/default/images/favicon.ico"/>
    <link rel="stylesheet" type="text/css" href="skins/default/common.css" />
    <style type="text/css">
    /* <![CDATA[ */
    label { display:block; }
    th { text-align: left; }
    h4 { margin-bottom: 0.2em; }
    .success { color:#006400;font-weight:bold !important; }
    .fail { color:#ff0000 !important;font-weight:bold !important; }
    .na { color:#f60; font-weight:bold; }
    /* ]]> */
    </style>
    <title>RoundCube :: check</title>
</head>
<body>
<img src="skins/default/images/roundcube_logo.png" width="165" height="55" border="0" alt="RoundCube Webmail" hspace="12" vspace="2"/>

<h3>Check <?php echo basename(__FILE__); ?> Configuration</h3>
From correctly set:
<?php
if ($rctest_config['from'] == '_yourfrom_') {
    echo CHECK_NOK;
} else {
    echo $rctest_config['from'] . '<br /><br />';
    echo '<i><b>Note:</b> We do not check if this is a <b>valid</b> email address.';
    echo ' Because this settings serves as from &amp; to, make sure it is correctly set!</i>';
}

echo '<h3>Checking available databases</h3>';
echo '<p>Checks if the extension is loaded.</p>';

$prefix = (PHP_SHLIB_SUFFIX === 'dll') ? 'php_' : '';
foreach ($supported_dbs AS $database => $ext) {
    echo "$database: ";
    if (extension_loaded($ext)) {
        echo CHECK_OK;
    } else {
        $_ext = $prefix . $ext . '.' . PHP_SHLIB_SUFFIX;
        echo CHECK_NA;
        if (@dl($_ext)) {
            echo ' (<i>Could</i> be loaded. Please add in php.ini, if you plan on using it.)';
        } else {
            echo ' (<b>Not</b> installed.)';
        }
    }
    echo '<br />';
}

echo '<h3>Check for required 3rd party libs</h3>';
echo '<p>This also checks if the include path is set correctly.</p>';

foreach ($required_libs as $classname => $file) {
    require_once $file;
    echo "$classname: ";
    if (class_exists($classname)) {
        echo CHECK_OK;
    } else {
        echo CHECK_NOK . "; Failed to load $file";
    }
    echo "<br />";
}

echo '<h3>Check if you setup config files</h3>';
echo '<p>Checks if the files exist and if they are readable.</p>';

foreach ($create_files AS $file) {
    echo "File $file: ";
    if (file_exists($path . $file) && is_readable($path . $file)) {
        echo CHECK_OK;
    } else {
        echo CHECK_NOK;
    }
    echo '<br />';
}

echo '<h3>Check if directories are writable</h3>';
echo '<p>RoundCube may need to write/save files into these directories.</p>';
@include $path . 'config/main.inc.php';

if (isset($rcmail_config)) {
    foreach (array($rcmail_config['temp_dir'], $rcmail_config['log_dir']) AS $dir) {
        $dir = $dir{0} == '/' ? $dir : $path . $dir;
        echo "Directory $dir: ";
        if (!is_writable($dir)) {
            echo CHECK_NOK;
        } else {
            echo CHECK_OK;
        }
        echo "<br />";
    }
} else {
    echo 'Could not open db.inc.php config file, or file is empty.<br />';
}

echo '<h3>Check supplied DB settings</h3>';
@include $path . 'config/db.inc.php';

$db_working = false;
if (isset($rcmail_config) && is_array($rcmail_config)) {
    echo 'Selected backend: ';
    if ($rcmail_config['db_backend'] != '') {

        echo 'PEAR::' . strtoupper($rcmail_config['db_backend']) . '<br />';

        $_class = 'rcube_' . strtolower($rcmail_config['db_backend']);

        require_once 'include/' . $_class . '.inc';

        echo 'DSN (standard): ';
        $DB = new $_class($rcmail_config['db_dsnw'], '', false);
        $DB->db_connect('w');
        if (!($db_error_msg = $DB->is_error())) {
            echo CHECK_OK;
            $db_working = true;
        } else {
            echo CHECK_NOK . " (Error: $db_error_msg)";
        }
        echo '<br />';
        echo 'DSN (read-only, optional): ';
        if ($rcmail_config['db_dsnr'] != '') {
            $DB_READ = new $_class($rcmail_config['db_dsnr'], '', false);
            $DB_READ->db_connect('w');
            if (!($db_error_msg = $DB_READ->is_error())) {
                echo CHECK_OK;
            } else {
                echo CHECK_NOK . " (Error: $db_error_msg)";
            }
        } else {
            echo CHECK_NA;
        }
        echo '<br />';
    } else {
        echo CHECK_NOK . ' (not set)';
    }
} else {
    echo 'Could not open db.inc.php config file, or file is empty.<br />';
}

echo '<h3>TimeZone</h3>';
echo 'Checks if web- and databaseserver are in the same timezone.<br /><br />';
echo 'Status: ';
if ($db_working === true) {
    $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;

    if ($tz_db != $tz_local) {
        echo CHECK_NOK;
    } else {
        echo CHECK_OK;
    }
} else {
    echo 'Could not test (fix DB first).';
}
echo '<br />';

echo '<h3>Checking .ini settings</h3>';

$ini_array = array('session.auto_start' => 0, 'file_uploads' => 1,
    'magic_quotes_sybase' => 0, 'magic_quotes_gpc' => 0);

foreach ($ini_array AS $var => $val) {
    $status = ini_get($var);

    echo "<h4>$var = $val</h4>";
    echo 'status: ';
    if ($status != $val) {
        echo CHECK_NOK;
    } else {
        echo CHECK_OK;
    }
    echo '<br />';
}

@include $path . 'config/main.inc.php';
?>
<h3>Check email settings</h3>
<?php
echo 'Fetching config-settings from config/main.inc.php.<br /><br />';
if (is_array($rcmail_config) && count($rcmail_config)) {
?>
<table border="0">
<tr>
    <th><h4>SMTP Settings</h4></th>
    <th><h4>IMAP Settings</h4></th>
</tr>
<tr><td valign="top">
<?php
    echo 'SMTP: ' . CHECK_OK . '<br />';
    echo 'server: ' . $rcmail_config['smtp_server'] . '<br />';
    echo 'port: ' . $rcmail_config['smtp_port'] . '<br />';
    echo 'user: ' . (($rcmail_config['smtp_user'] == '%u')?'<i>use current session</i>':$rcmail_config['smtp_user']) . '<br />';
    echo 'pass: ' . (($rcmail_config['smtp_pass'] == '%p')?'<i>use current session</i>':$rcmail_config['smtp_pass']) . '<br />';
    //var_dump($rcmail_config);
?>
</td><td valign="top">
<?php
    echo 'IMAP: ' . CHECK_OK . '<br />';
    echo 'server: ' . (is_array($rcmail_config['default_host']) ? var_export($rcmail_config['default_host'], true) : $rcmail_config['default_host']) . '<br />';
    echo 'port: ' . $rcmail_config['default_port'] . '<br />';
?>
</td></tr>
</table>
<h3>Test SMTP settings - send an email</h3>
<p>Don't abuse this!</p>
<form action="<?php echo $check; ?>" method="post">
<?php
if ($rcmail_config['smtp_server'] != ''):
    if ($rcmail_config['smtp_user'] == '%u'):
?>
<label>Username:</label><input type="text" name="smtp_test[user]" />
<label>Password:</label><input type="password" name="smtp_test[pass]" /><br />
<?php
    endif;
endif;
?>
Recipient:<br />
<?php echo $rctest_config['from']; ?><br /><br />
<input type="hidden" name="action" value="smtp" />
<input type="submit" value="send an email" />
</form>
<?php
    if ($_SERVER['REQUEST_METHOD'] == 'POST' && $_POST['action'] == 'smtp') {

        echo 'Trying to send email: ';
        if ($rctest_config['from'] == '_yourfrom_') {
            echo CHECK_NOK . '<br />';
            echo '<i>Please edit $rctest_config in ' . basename(__FILE__) . '</i><br />';
        } else {

            $data   = $_POST['smtp_test'];
            $CONFIG = $rcmail_config;

            require_once 'lib/rc_mail_mime.inc';
            require_once 'include/rcube_smtp.inc';

            $recipients = $rctest_config['from'];

            $headers['From']    = $rctest_config['from'];
            $headers['To']      = $recipients;
            $headers['Subject'] = 'Test message from RoundCube';

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

            $mail_object = new rc_mail_mime();
            $mail_object->headers($headers);
            
            $smtp_response = array();
            if (smtp_mail($rctest_config['from'], $recipients, ($foo = $mail_object->txtHeaders($send_headers)), $body, $smtp_response)) {
                echo CHECK_OK . '<br />';
            } else {
                echo CHECK_NOK;
                echo '<br />' . join('<br />', $smtp_response);
            }
        }
    }
} else {
    echo CHECK_NOK;
}
?>
<h3>Test IMAP settings</h3>
<?php
if ($rcmail_config['default_host'] == '') {
    echo '<span class="fail">We cannot test, default_host is not set in config/main.inc.php.</span>';
} else {
?>
<form action="<?php echo $check; ?>" method="post">
<label>Username:</label><input type="text" name="imap_test[user]" />
<label>Password:</label><input type="password" name="imap_test[pass]" /><br /><br />
<input type="hidden" name="action" value="imap" />
<input type="submit" value="check email" />
</form><br /><br />
<?php
    if ($_SERVER['REQUEST_METHOD'] == 'POST' && $_POST['action'] == 'imap') {

        echo 'Testing IMAP connect: ';

        $data = $_POST['imap_test'];

        require_once 'imap.inc';
        global $iil_error, $ICL_PORT;

        $ICL_PORT = $rcmail_config['default_port'];
        $result   = iil_Connect($rcmail_config['default_host'],
            $data['user'], $data['pass']);

        if ($result != true) {
            echo CHECK_NOK;
            echo '<br />Error return: ' . $iil_error;
        } else {
            echo CHECK_OK;
        }
        echo '<br />';
    }
}
?>
</body>
</html>