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375 lines
8.7 KiB
PHP
375 lines
8.7 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, RoundCube Dev. - Switzerland |
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| Licensed under the GNU Public License |
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+-----------------------------------------------------------------------+
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$Id: $
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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 $config_props = array();
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/**
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* Constructor
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*/
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function rcube_install()
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{
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$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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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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@include '../config/main.inc' . $suffix;
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if (is_array($rcmail_config)) {
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$this->config += $rcmail_config;
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}
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@include '../config/db.inc'. $suffix;
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if (is_array($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 = $this->is_post && (isset($_POST["_$name"]) || $this->config_props[$name]) ? $_POST["_$name"] : $this->config[$name];
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if ($name == 'des_key' && !isset($_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)
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{
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$out = file_get_contents("../config/{$which}.inc.php.dist");
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if (!$out)
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return '[Warning: could not read the template file]';
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foreach ($this->config as $prop => $default) {
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$value = (isset($_POST["_$prop"]) || $this->config_props[$prop]) ? $_POST["_$prop"] : $default;
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// convert some form data
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if ($prop == 'debug_level' && is_array($value)) {
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$val = 0;
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foreach ($value as $i => $dbgval)
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$val += intval($dbgval);
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$value = $val;
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}
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else if ($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'] : $_POST['_dbname']);
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else
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$value = sprintf('%s://%s:%s@%s/%s', $_POST['_dbtype'], $_POST['_dbuser'], $_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 == '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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$value = '%p';
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}
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else if (is_bool($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($value);
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}
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// skip this property
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if ($value == $default)
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continue;
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// replace the matching line in config file
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$out = preg_replace(
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'/(\$rcmail_config\[\''.preg_quote($prop).'\'\])\s+=\s+(.+);/Uie',
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"'\\1 = ' . var_export(\$value, true) . ';'",
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$out);
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}
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return $out;
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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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$out[] = is_numeric($key) ? $name : $key;
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}
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return $out;
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}
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/**
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* Display OK status
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*
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* @param string Test name
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* @param string Confirm message
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*/
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function pass($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, $url);
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}
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/**
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* Display warning status
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*
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* @param string Test name
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* @param string Warning message
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* @param string URL for details
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*/
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function na($name, $message = '', $url = '')
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{
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echo Q($name) . ': <span class="na">NOT AVAILABLE</span>';
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$this->_showhint($message, $url);
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}
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function _showhint($message, $url = '')
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{
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$hint = Q($message);
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if ($url)
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$hint .= ($hint ? '; ' : '') . 'See <a href="' . Q($url) . '" target="_blank">' . Q($url) . '</a>';
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if ($hint)
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echo '<span class="indent">(' . $hint . ')</span>';
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}
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function _clean_array($arr)
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{
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$out = array();
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foreach (array_unique($arr) as $i => $val)
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if (!empty($val))
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$out[] = $val;
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return $out;
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}
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/**
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* Initialize the database with the according schema
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*
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* @param object rcube_db Database connection
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* @return boolen True on success, False on error
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*/
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function init_db($DB)
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{
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$db_map = array('pgsql' => 'postgres', 'mysqli' => 'mysql');
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$engine = isset($db_map[$DB->db_provider]) ? $db_map[$DB->db_provider] : $DB->db_provider;
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// find out db version
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if ($engine == 'mysql') {
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$DB->query('SELECT VERSION() AS version');
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$sql_arr = $DB->fetch_assoc();
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$version = floatval($sql_arr['version']);
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if ($version >= 4.1)
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$engine = 'mysql5';
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}
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// read schema file from /SQL/*
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$fname = "../SQL/$engine.initial.sql";
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if ($lines = @file($fname, FILE_SKIP_EMPTY_LINES)) {
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$buff = '';
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foreach ($lines as $i => $line) {
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if (eregi('^--', $line))
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continue;
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$buff .= $line . "\n";
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if (eregi(';$', trim($line))) {
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$DB->query($buff);
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$buff = '';
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}
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}
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}
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else {
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$this->fail('DB Schema', "Cannot read the schema file: $fname");
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return false;
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}
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if ($err = $this->get_error()) {
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$this->fail('DB Schema', "Error creating database schema: $err");
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return false;
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}
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return true;
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}
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/**
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* Handler for RoundCube errors
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*/
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function raise_error($p)
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{
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$this->last_error = $p;
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}
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/**
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* Generarte a ramdom string to be used as encryption key
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*
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* @param int Key length
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* @return string The generated random string
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* @static
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*/
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function random_key($length)
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{
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$alpha = 'ABCDEFGHIJKLMNOPQERSTUVXYZabcdefghijklmnopqrtsuvwxyz0123456789+*%&?!$-_=';
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$out = '';
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for ($i=0; $i < $length; $i++)
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$out .= $alpha{rand(0, strlen($alpha)-1)};
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return $out;
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}
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}
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/**
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* Shortcut function for htmlentities()
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*
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* @param string String to quote
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* @return string The html-encoded string
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*/
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function Q($string)
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{
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return htmlentities($string);
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}
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/**
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* Fake rinternal error handler to catch errors
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*/
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function raise_error($p)
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{
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$rci = rcube_install::get_instance();
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$rci->raise_error($p);
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}
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