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roundcubemail/installer/rcube_install.php

386 lines
8.9 KiB
PHTML

<?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();
/**
* 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 '../config/main.inc' . $suffix;
if (is_array($rcmail_config)) {
$this->config += $rcmail_config;
}
@include '../config/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)
{
$out = file_get_contents("../config/{$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') {
$val = 0;
if (isset($value))
foreach ($value as $dbgval)
$val += intval($dbgval);
$value = $val;
}
else if ($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)
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);
}
/**
* 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) . ':&nbsp; <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) . ':&nbsp; <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) . ':&nbsp; <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);
}