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roundcubemail/installer/rcube_install.php

200 lines
4.8 KiB
PHP

<?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 $failures = 0;
var $defaults = array();
/**
* Constructor
*/
function rcube_install()
{
$this->step = intval($_REQUEST['_step']);
$this->get_defaults();
}
/**
* Read the default config file and store properties
*/
function get_defaults()
{
$suffix = is_readable('../config/main.inc.php.dist') ? '.dist' : '';
include '../config/main.inc.php' . $suffix;
if (is_array($rcmail_config)) {
$this->defaults = $rcmail_config;
}
include '../config/db.inc.php'. $suffix;
if (is_array($rcmail_config)) {
$this->defaults += $rcmail_config;
}
}
/**
* Getter for a certain config property
*
* @param string Property name
* @return string The property value
*/
function getprop($name)
{
$value = isset($_REQUEST["_$name"]) ? $_REQUEST["_$name"] : $this->defaults[$name];
if ($name == 'des_key' && !isset($_REQUEST["_$name"]))
$value = self::random_key(24);
return $value;
}
/**
* Take the default config file and replace the parameters
* with the submitted form data
*
* @param string Which config file (either 'main' or 'db')
* @return string The complete config file content
*/
function create_config($which)
{
$out = file_get_contents("../config/{$which}.inc.php.dist");
if (!$out)
return '[Warning: could not read the template file]';
foreach ($this->defaults as $prop => $default) {
$value = $_POST["_$prop"] ? $_POST["_$prop"] : $default;
// skip this property
if (!isset($_POST["_$prop"]) || $value == $default)
continue;
// convert some form data
if ($prop == 'debug_level' && is_array($value)) {
$val = 0;
foreach ($value as $i => $dbgval)
$val += intval($dbgval);
$value = $val;
}
else if (is_bool($default))
$value = is_numeric($value) ? (bool)$value : $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 $out;
}
/**
* Display OK status
*
* @param string Test name
* @param string Confirm message
*/
function pass($name, $message = '')
{
echo Q($name) . ':&nbsp; <span class="success">OK</span>';
if ($message)
echo '<span class="indent">' . Q($name) . '</span>';
}
/**
* 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) . ':&nbsp; <span class="fail">NOT OK</span>';
if ($message)
echo '<span class="indent">' . Q($name) . '</span>';
if ($url)
echo '<span class="indent">(See <a href="' . Q($url) . '" target="_blank">' . Q($url) . '</a>)</span>';
}
/**
* Display warning status
*
* @param string Test name
* @param string Warning message
* @param string URL for details
*/
function warning($name, $message = '', $url = '')
{
echo Q($name) . ':&nbsp; <span class="warning">NOT AVAILABLE</span>';
if ($message)
echo '<span class="indent">' . Q($name) . '</span>';
if ($url)
echo '<span class="indent">(See <a href="' . Q($url) . '" target="_blank">' . Q($url) . '</a>)</span>';
}
/**
* Generarte a ramdom string to be used as encryption key
*
* @param int Key length
* @return string The generated random string
* @static
*/
function random_key($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);
}