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704 lines
20 KiB
PHP
704 lines
20 KiB
PHP
<?php
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/*
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+-----------------------------------------------------------------------+
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| rcube_install.php |
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| This file is part of the Roundcube Webmail package |
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| Copyright (C) 2008-2012, The Roundcube Dev Team |
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| |
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| Licensed under the GNU General Public License version 3 or |
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| any later version with exceptions for skins & plugins. |
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| See the README file for a full license statement. |
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+-----------------------------------------------------------------------+
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*/
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/**
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* Class to control the installation process of the Roundcube Webmail package
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*
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* @category Install
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* @package Roundcube
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* @author Thomas Bruederli
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*/
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class rcube_install
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{
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var $step;
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var $is_post = false;
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var $failures = 0;
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var $config = array();
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var $configured = false;
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var $last_error = null;
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var $email_pattern = '([a-z0-9][a-z0-9\-\.\+\_]*@[a-z0-9]([a-z0-9\-][.]?)*[a-z0-9])';
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var $bool_config_props = array();
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var $obsolete_config = array('db_backend', 'double_auth');
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var $replaced_config = array(
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'skin_path' => 'skin',
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'locale_string' => 'language',
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'multiple_identities' => 'identities_level',
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'addrbook_show_images' => 'show_images',
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'imap_root' => 'imap_ns_personal',
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'pagesize' => 'mail_pagesize',
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'default_imap_folders' => 'default_folders',
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'top_posting' => 'reply_mode',
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);
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// these config options are required for a working system
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var $required_config = array(
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'db_dsnw', 'db_table_contactgroups', 'db_table_contactgroupmembers',
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'des_key', 'session_lifetime', 'support_url',
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);
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// list of supported database drivers
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var $supported_dbs = array(
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'MySQL' => 'pdo_mysql',
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'PostgreSQL' => 'pdo_pgsql',
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'SQLite' => 'pdo_sqlite',
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'SQLite (v2)' => 'pdo_sqlite2',
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'SQL Server (SQLSRV)' => 'pdo_sqlsrv',
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'SQL Server (DBLIB)' => 'pdo_dblib',
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);
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/**
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* Constructor
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*/
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function __construct()
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{
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$this->step = intval($_REQUEST['_step']);
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$this->is_post = $_SERVER['REQUEST_METHOD'] == 'POST';
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}
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/**
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* Singleton getter
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*/
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static function get_instance()
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{
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static $inst;
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if (!$inst)
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$inst = new rcube_install();
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return $inst;
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}
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/**
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* Read the default config files and store properties
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*/
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function load_defaults()
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{
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$this->_load_config('.php.dist');
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}
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/**
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* Read the local config files and store properties
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*/
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function load_config()
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{
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$this->config = array();
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$this->_load_config('.php');
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$this->configured = !empty($this->config);
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}
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/**
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* Read the default config file and store properties
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* @access private
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*/
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function _load_config($suffix)
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{
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if (is_readable($main_inc = RCUBE_CONFIG_DIR . 'main.inc' . $suffix)) {
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include($main_inc);
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if (is_array($rcmail_config))
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$this->config += $rcmail_config;
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}
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if (is_readable($db_inc = RCUBE_CONFIG_DIR . 'db.inc'. $suffix)) {
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include($db_inc);
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if (is_array($rcmail_config))
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$this->config += $rcmail_config;
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}
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}
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/**
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* Getter for a certain config property
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*
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* @param string Property name
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* @param string Default value
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* @return string The property value
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*/
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function getprop($name, $default = '')
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{
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$value = $this->config[$name];
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if ($name == 'des_key' && !$this->configured && !isset($_REQUEST["_$name"]))
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$value = rcube_install::random_key(24);
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return $value !== null && $value !== '' ? $value : $default;
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}
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/**
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* Take the default config file and replace the parameters
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* with the submitted form data
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*
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* @param string Which config file (either 'main' or 'db')
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* @return string The complete config file content
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*/
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function create_config($which, $force = false)
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{
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$out = @file_get_contents(RCUBE_CONFIG_DIR . $which . '.inc.php.dist');
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if (!$out)
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return '[Warning: could not read the config template file]';
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foreach ($this->config as $prop => $default) {
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$is_default = !isset($_POST["_$prop"]);
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$value = !$is_default || $this->bool_config_props[$prop] ? $_POST["_$prop"] : $default;
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// convert some form data
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if ($prop == 'debug_level' && !$is_default) {
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if (is_array($value)) {
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$val = 0;
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foreach ($value as $dbgval)
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$val += intval($dbgval);
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$value = $val;
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}
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}
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else if ($which == 'db' && $prop == 'db_dsnw' && !empty($_POST['_dbtype'])) {
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if ($_POST['_dbtype'] == 'sqlite')
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$value = sprintf('%s://%s?mode=0646', $_POST['_dbtype'], $_POST['_dbname']{0} == '/' ? '/' . $_POST['_dbname'] : $_POST['_dbname']);
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else if ($_POST['_dbtype'])
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$value = sprintf('%s://%s:%s@%s/%s', $_POST['_dbtype'],
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rawurlencode($_POST['_dbuser']), rawurlencode($_POST['_dbpass']), $_POST['_dbhost'], $_POST['_dbname']);
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}
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else if ($prop == 'smtp_auth_type' && $value == '0') {
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$value = '';
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}
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else if ($prop == 'default_host' && is_array($value)) {
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$value = rcube_install::_clean_array($value);
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if (count($value) <= 1)
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$value = $value[0];
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}
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else if ($prop == 'mail_pagesize' || $prop == 'addressbook_pagesize') {
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$value = max(2, intval($value));
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}
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else if ($prop == 'smtp_user' && !empty($_POST['_smtp_user_u'])) {
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$value = '%u';
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}
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else if ($prop == 'smtp_pass' && !empty($_POST['_smtp_user_u'])) {
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$value = '%p';
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}
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else if ($prop == 'default_folders') {
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$value = array();
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foreach ($this->config['default_folders'] as $_folder) {
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switch ($_folder) {
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case 'Drafts': $_folder = $this->config['drafts_mbox']; break;
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case 'Sent': $_folder = $this->config['sent_mbox']; break;
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case 'Junk': $_folder = $this->config['junk_mbox']; break;
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case 'Trash': $_folder = $this->config['trash_mbox']; break;
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}
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if (!in_array($_folder, $value))
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$value[] = $_folder;
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}
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}
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else if (is_bool($default)) {
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$value = (bool)$value;
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}
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else if (is_numeric($value)) {
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$value = intval($value);
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}
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// skip this property
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if (!$force && !$this->configured && ($value == $default))
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continue;
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// save change
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$this->config[$prop] = $value;
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// replace the matching line in config file
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$out = preg_replace(
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'/(\$rcmail_config\[\''.preg_quote($prop).'\'\])\s+=\s+(.+);/Uie',
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"'\\1 = ' . rcube_install::_dump_var(\$value, \$prop) . ';'",
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$out);
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}
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return trim($out);
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}
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/**
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* Check the current configuration for missing properties
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* and deprecated or obsolete settings
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*
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* @return array List with problems detected
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*/
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function check_config()
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{
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$this->config = array();
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$this->load_defaults();
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$defaults = $this->config;
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$this->load_config();
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if (!$this->configured)
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return null;
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$out = $seen = array();
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$required = array_flip($this->required_config);
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// iterate over the current configuration
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foreach ($this->config as $prop => $value) {
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if ($replacement = $this->replaced_config[$prop]) {
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$out['replaced'][] = array('prop' => $prop, 'replacement' => $replacement);
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$seen[$replacement] = true;
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}
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else if (!$seen[$prop] && in_array($prop, $this->obsolete_config)) {
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$out['obsolete'][] = array('prop' => $prop);
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$seen[$prop] = true;
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}
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}
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// the old default mime_magic reference is obsolete
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if ($this->config['mime_magic'] == '/usr/share/misc/magic') {
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$out['obsolete'][] = array('prop' => 'mime_magic', 'explain' => "Set value to null in order to use system default");
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}
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// iterate over default config
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foreach ($defaults as $prop => $value) {
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if (!isset($seen[$prop]) && isset($required[$prop]) && !(is_bool($this->config[$prop]) || strlen($this->config[$prop])))
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$out['missing'][] = array('prop' => $prop);
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}
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// check config dependencies and contradictions
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if ($this->config['enable_spellcheck'] && $this->config['spellcheck_engine'] == 'pspell') {
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if (!extension_loaded('pspell')) {
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$out['dependencies'][] = array('prop' => 'spellcheck_engine',
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'explain' => 'This requires the <tt>pspell</tt> extension which could not be loaded.');
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}
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else if (!empty($this->config['spellcheck_languages'])) {
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foreach ($this->config['spellcheck_languages'] as $lang => $descr)
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if (!@pspell_new($lang))
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$out['dependencies'][] = array('prop' => 'spellcheck_languages',
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'explain' => "You are missing pspell support for language $lang ($descr)");
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}
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}
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if ($this->config['log_driver'] == 'syslog') {
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if (!function_exists('openlog')) {
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$out['dependencies'][] = array('prop' => 'log_driver',
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'explain' => 'This requires the <tt>sylog</tt> extension which could not be loaded.');
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}
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if (empty($this->config['syslog_id'])) {
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$out['dependencies'][] = array('prop' => 'syslog_id',
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'explain' => 'Using <tt>syslog</tt> for logging requires a syslog ID to be configured');
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}
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}
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// check ldap_public sources having global_search enabled
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if (is_array($this->config['ldap_public']) && !is_array($this->config['autocomplete_addressbooks'])) {
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foreach ($this->config['ldap_public'] as $ldap_public) {
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if ($ldap_public['global_search']) {
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$out['replaced'][] = array('prop' => 'ldap_public::global_search', 'replacement' => 'autocomplete_addressbooks');
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break;
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}
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}
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}
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return $out;
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}
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/**
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* Merge the current configuration with the defaults
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* and copy replaced values to the new options.
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*/
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function merge_config()
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{
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$current = $this->config;
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$this->config = array();
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$this->load_defaults();
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foreach ($this->replaced_config as $prop => $replacement) {
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if (isset($current[$prop])) {
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if ($prop == 'skin_path')
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$this->config[$replacement] = preg_replace('#skins/(\w+)/?$#', '\\1', $current[$prop]);
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else if ($prop == 'multiple_identities')
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$this->config[$replacement] = $current[$prop] ? 2 : 0;
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else
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$this->config[$replacement] = $current[$prop];
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}
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unset($current[$prop]);
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}
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foreach ($this->obsolete_config as $prop) {
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unset($current[$prop]);
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}
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// add all ldap_public sources having global_search enabled to autocomplete_addressbooks
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if (is_array($current['ldap_public'])) {
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foreach ($current['ldap_public'] as $key => $ldap_public) {
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if ($ldap_public['global_search']) {
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$this->config['autocomplete_addressbooks'][] = $key;
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unset($current['ldap_public'][$key]['global_search']);
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}
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}
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}
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$this->config = array_merge($this->config, $current);
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foreach ((array)$current['ldap_public'] as $key => $values) {
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$this->config['ldap_public'][$key] = $current['ldap_public'][$key];
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}
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}
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/**
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* Compare the local database schema with the reference schema
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* required for this version of Roundcube
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*
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* @param boolean True if the schema schould be updated
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* @return boolean True if the schema is up-to-date, false if not or an error occured
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*/
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function db_schema_check($DB, $update = false)
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{
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if (!$this->configured)
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return false;
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// read reference schema from mysql.initial.sql
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$db_schema = $this->db_read_schema(INSTALL_PATH . 'SQL/mysql.initial.sql');
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$errors = array();
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// check list of tables
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$existing_tables = $DB->list_tables();
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foreach ($db_schema as $table => $cols) {
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$table = !empty($this->config['db_table_'.$table]) ? $this->config['db_table_'.$table] : $table;
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if (!in_array($table, $existing_tables)) {
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$errors[] = "Missing table '".$table."'";
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}
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else { // compare cols
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$db_cols = $DB->list_cols($table);
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$diff = array_diff(array_keys($cols), $db_cols);
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if (!empty($diff))
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$errors[] = "Missing columns in table '$table': " . join(',', $diff);
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}
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}
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return !empty($errors) ? $errors : false;
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}
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/**
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* Utility function to read database schema from an .sql file
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*/
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private function db_read_schema($schemafile)
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{
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$lines = file($schemafile);
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$table_block = false;
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$schema = array();
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foreach ($lines as $line) {
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if (preg_match('/^\s*create table `?([a-z0-9_]+)`?/i', $line, $m)) {
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$table_block = $m[1];
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}
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else if ($table_block && preg_match('/^\s*`?([a-z0-9_-]+)`?\s+([a-z]+)/', $line, $m)) {
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$col = $m[1];
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if (!in_array(strtoupper($col), array('PRIMARY','KEY','INDEX','UNIQUE','CONSTRAINT','REFERENCES','FOREIGN'))) {
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$schema[$table_block][$col] = $m[2];
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}
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}
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}
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return $schema;
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}
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/**
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* Getter for the last error message
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*
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* @return string Error message or null if none exists
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*/
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function get_error()
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{
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return $this->last_error['message'];
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}
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/**
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* Return a list with all imap hosts configured
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*
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* @return array Clean list with imap hosts
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*/
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function get_hostlist()
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{
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$default_hosts = (array)$this->getprop('default_host');
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$out = array();
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foreach ($default_hosts as $key => $name) {
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if (!empty($name))
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$out[] = rcube_parse_host(is_numeric($key) ? $name : $key);
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}
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return $out;
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}
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/**
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* Create a HTML dropdown to select a previous version of Roundcube
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*/
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function versions_select($attrib = array())
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{
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$select = new html_select($attrib);
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$select->add(array(
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'0.1-stable', '0.1.1',
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'0.2-alpha', '0.2-beta', '0.2-stable',
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'0.3-stable', '0.3.1',
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'0.4-beta', '0.4.2',
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'0.5-beta', '0.5', '0.5.1',
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'0.6-beta', '0.6',
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'0.7-beta', '0.7', '0.7.1', '0.7.2', '0.7.3',
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'0.8-beta', '0.8-rc', '0.8.0', '0.8.1', '0.8.2', '0.8.3', '0.8.4', '0.8.5',
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'0.9-beta', '0.9-rc',
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));
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return $select;
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}
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/**
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* Return a list with available subfolders of the skin directory
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*/
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function list_skins()
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{
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$skins = array();
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$skindir = INSTALL_PATH . 'skins/';
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foreach (glob($skindir . '*') as $path) {
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if (is_dir($path) && is_readable($path)) {
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$skins[] = substr($path, strlen($skindir));
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}
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}
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return $skins;
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}
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/**
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* Display OK status
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*
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* @param string Test name
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* @param string Confirm message
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*/
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function pass($name, $message = '')
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{
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echo Q($name) . ': <span class="success">OK</span>';
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$this->_showhint($message);
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}
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/**
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* Display an error status and increase failure count
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*
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* @param string Test name
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* @param string Error message
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* @param string URL for details
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*/
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function fail($name, $message = '', $url = '')
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{
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$this->failures++;
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echo Q($name) . ': <span class="fail">NOT OK</span>';
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$this->_showhint($message, $url);
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}
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/**
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* Display an error status for optional settings/features
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*
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* @param string Test name
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* @param string Error message
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* @param string URL for details
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*/
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|
function optfail($name, $message = '', $url = '')
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{
|
|
echo Q($name) . ': <span class="na">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">(' . $hint . ')</span>';
|
|
}
|
|
|
|
|
|
static function _clean_array($arr)
|
|
{
|
|
$out = array();
|
|
|
|
foreach (array_unique($arr) as $k => $val) {
|
|
if (!empty($val)) {
|
|
if (is_numeric($k))
|
|
$out[] = $val;
|
|
else
|
|
$out[$k] = $val;
|
|
}
|
|
}
|
|
|
|
return $out;
|
|
}
|
|
|
|
|
|
static function _dump_var($var, $name=null) {
|
|
// special values
|
|
switch ($name) {
|
|
case 'syslog_facility':
|
|
$list = array(32 => 'LOG_AUTH', 80 => 'LOG_AUTHPRIV', 72 => ' LOG_CRON',
|
|
24 => 'LOG_DAEMON', 0 => 'LOG_KERN', 128 => 'LOG_LOCAL0',
|
|
136 => 'LOG_LOCAL1', 144 => 'LOG_LOCAL2', 152 => 'LOG_LOCAL3',
|
|
160 => 'LOG_LOCAL4', 168 => 'LOG_LOCAL5', 176 => 'LOG_LOCAL6',
|
|
184 => 'LOG_LOCAL7', 48 => 'LOG_LPR', 16 => 'LOG_MAIL',
|
|
56 => 'LOG_NEWS', 40 => 'LOG_SYSLOG', 8 => 'LOG_USER', 64 => 'LOG_UUCP');
|
|
if ($val = $list[$var])
|
|
return $val;
|
|
break;
|
|
}
|
|
|
|
|
|
if (is_array($var)) {
|
|
if (empty($var)) {
|
|
return 'array()';
|
|
}
|
|
else { // check if all keys are numeric
|
|
$isnum = true;
|
|
foreach ($var as $key => $value) {
|
|
if (!is_numeric($key)) {
|
|
$isnum = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ($isnum)
|
|
return 'array(' . join(', ', array_map(array('rcube_install', '_dump_var'), $var)) . ')';
|
|
}
|
|
}
|
|
|
|
return var_export($var, true);
|
|
}
|
|
|
|
|
|
/**
|
|
* 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)
|
|
{
|
|
$engine = $DB->db_provider;
|
|
|
|
// read schema file from /SQL/*
|
|
$fname = INSTALL_PATH . "SQL/$engine.initial.sql";
|
|
if ($sql = @file_get_contents($fname)) {
|
|
$this->exec_sql($sql, $DB);
|
|
}
|
|
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: $err");
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
/**
|
|
* Update database schema
|
|
*
|
|
* @param string Version to update from
|
|
*
|
|
* @return boolen True on success, False on error
|
|
*/
|
|
function update_db($version)
|
|
{
|
|
system(INSTALL_PATH . "bin/updatedb.sh --package=roundcube --version=" . $version
|
|
. " --dir=" . INSTALL_PATH . "SQL", $result);
|
|
|
|
return !$result;
|
|
}
|
|
|
|
|
|
/**
|
|
* Execute the given SQL queries on the database connection
|
|
*
|
|
* @param string SQL queries to execute
|
|
* @param object rcube_db Database connection
|
|
* @return boolen True on success, False on error
|
|
*/
|
|
function exec_sql($sql, $DB)
|
|
{
|
|
$buff = '';
|
|
foreach (explode("\n", $sql) as $line) {
|
|
if (preg_match('/^--/', $line) || trim($line) == '')
|
|
continue;
|
|
|
|
$buff .= $line . "\n";
|
|
if (preg_match('/(;|^GO)$/', trim($line))) {
|
|
$DB->query($buff);
|
|
$buff = '';
|
|
if ($DB->is_error())
|
|
break;
|
|
}
|
|
}
|
|
|
|
return !$DB->is_error();
|
|
}
|
|
|
|
|
|
/**
|
|
* Handler for Roundcube errors
|
|
*/
|
|
function raise_error($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;
|
|
}
|
|
|
|
}
|
|
|