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-rw-r--r--program/lib/Roundcube/rcube_config.php441
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diff --git a/program/lib/Roundcube/rcube_config.php b/program/lib/Roundcube/rcube_config.php
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+++ b/program/lib/Roundcube/rcube_config.php
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+<?php
+
+/*
+ +-----------------------------------------------------------------------+
+ | program/include/rcube_config.php |
+ | |
+ | This file is part of the Roundcube Webmail client |
+ | Copyright (C) 2008-2012, The Roundcube Dev Team |
+ | |
+ | Licensed under the GNU General Public License version 3 or |
+ | any later version with exceptions for skins & plugins. |
+ | See the README file for a full license statement. |
+ | |
+ | PURPOSE: |
+ | Class to read configuration settings |
+ | |
+ +-----------------------------------------------------------------------+
+ | Author: Thomas Bruederli <roundcube@gmail.com> |
+ +-----------------------------------------------------------------------+
+*/
+
+/**
+ * Configuration class for Roundcube
+ *
+ * @package Framework
+ * @subpackage Core
+ */
+class rcube_config
+{
+ const DEFAULT_SKIN = 'larry';
+
+ private $prop = array();
+ private $errors = array();
+ private $userprefs = array();
+
+ /**
+ * Renamed options
+ *
+ * @var array
+ */
+ private $legacy_props = array(
+ // new name => old name
+ 'default_folders' => 'default_imap_folders',
+ 'mail_pagesize' => 'pagesize',
+ 'addressbook_pagesize' => 'pagesize',
+ 'reply_mode' => 'top_posting',
+ 'refresh_interval' => 'keep_alive',
+ 'min_refresh_interval' => 'min_keep_alive',
+ );
+
+
+ /**
+ * Object constructor
+ */
+ public function __construct()
+ {
+ $this->load();
+
+ // Defaults, that we do not require you to configure,
+ // but contain information that is used in various
+ // locations in the code:
+ $this->set('contactlist_fields', array('name', 'firstname', 'surname', 'email'));
+ }
+
+
+ /**
+ * Load config from local config file
+ *
+ * @todo Remove global $CONFIG
+ */
+ private function load()
+ {
+ // load main config file
+ if (!$this->load_from_file(RCMAIL_CONFIG_DIR . '/main.inc.php'))
+ $this->errors[] = 'main.inc.php was not found.';
+
+ // load database config
+ if (!$this->load_from_file(RCMAIL_CONFIG_DIR . '/db.inc.php'))
+ $this->errors[] = 'db.inc.php was not found.';
+
+ // load host-specific configuration
+ $this->load_host_config();
+
+ // set skin (with fallback to old 'skin_path' property)
+ if (empty($this->prop['skin'])) {
+ if (!empty($this->prop['skin_path'])) {
+ $this->prop['skin'] = str_replace('skins/', '', unslashify($this->prop['skin_path']));
+ }
+ else {
+ $this->prop['skin'] = self::DEFAULT_SKIN;
+ }
+ }
+
+ // larry is the new default skin :-)
+ if ($this->prop['skin'] == 'default')
+ $this->prop['skin'] = self::DEFAULT_SKIN;
+
+ // fix paths
+ $this->prop['log_dir'] = $this->prop['log_dir'] ? realpath(unslashify($this->prop['log_dir'])) : INSTALL_PATH . 'logs';
+ $this->prop['temp_dir'] = $this->prop['temp_dir'] ? realpath(unslashify($this->prop['temp_dir'])) : INSTALL_PATH . 'temp';
+
+ // fix default imap folders encoding
+ foreach (array('drafts_mbox', 'junk_mbox', 'sent_mbox', 'trash_mbox') as $folder)
+ $this->prop[$folder] = rcube_charset::convert($this->prop[$folder], RCMAIL_CHARSET, 'UTF7-IMAP');
+
+ if (!empty($this->prop['default_folders']))
+ foreach ($this->prop['default_folders'] as $n => $folder)
+ $this->prop['default_folders'][$n] = rcube_charset::convert($folder, RCMAIL_CHARSET, 'UTF7-IMAP');
+
+ // set PHP error logging according to config
+ if ($this->prop['debug_level'] & 1) {
+ ini_set('log_errors', 1);
+
+ if ($this->prop['log_driver'] == 'syslog') {
+ ini_set('error_log', 'syslog');
+ }
+ else {
+ ini_set('error_log', $this->prop['log_dir'].'/errors');
+ }
+ }
+
+ // enable display_errors in 'show' level, but not for ajax requests
+ ini_set('display_errors', intval(empty($_REQUEST['_remote']) && ($this->prop['debug_level'] & 4)));
+
+ // set timezone auto settings values
+ if ($this->prop['timezone'] == 'auto') {
+ $this->prop['_timezone_value'] = $this->client_timezone();
+ }
+ else if (is_numeric($this->prop['timezone']) && ($tz = timezone_name_from_abbr("", $this->prop['timezone'] * 3600, 0))) {
+ $this->prop['timezone'] = $tz;
+ }
+ else if (empty($this->prop['timezone'])) {
+ $this->prop['timezone'] = 'UTC';
+ }
+
+ // remove deprecated properties
+ unset($this->prop['dst_active']);
+
+ // export config data
+ $GLOBALS['CONFIG'] = &$this->prop;
+ }
+
+ /**
+ * Load a host-specific config file if configured
+ * This will merge the host specific configuration with the given one
+ */
+ private function load_host_config()
+ {
+ $fname = null;
+
+ if (is_array($this->prop['include_host_config'])) {
+ $fname = $this->prop['include_host_config'][$_SERVER['HTTP_HOST']];
+ }
+ else if (!empty($this->prop['include_host_config'])) {
+ $fname = preg_replace('/[^a-z0-9\.\-_]/i', '', $_SERVER['HTTP_HOST']) . '.inc.php';
+ }
+
+ if ($fname) {
+ $this->load_from_file(RCMAIL_CONFIG_DIR . '/' . $fname);
+ }
+ }
+
+
+ /**
+ * Read configuration from a file
+ * and merge with the already stored config values
+ *
+ * @param string $fpath Full path to the config file to be loaded
+ * @return booelan True on success, false on failure
+ */
+ public function load_from_file($fpath)
+ {
+ if (is_file($fpath) && is_readable($fpath)) {
+ // use output buffering, we don't need any output here
+ ob_start();
+ include($fpath);
+ ob_end_clean();
+
+ if (is_array($rcmail_config)) {
+ $this->prop = array_merge($this->prop, $rcmail_config, $this->userprefs);
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+
+ /**
+ * Getter for a specific config parameter
+ *
+ * @param string $name Parameter name
+ * @param mixed $def Default value if not set
+ * @return mixed The requested config value
+ */
+ public function get($name, $def = null)
+ {
+ if (isset($this->prop[$name])) {
+ $result = $this->prop[$name];
+ }
+ else if (isset($this->legacy_props[$name])) {
+ return $this->get($this->legacy_props[$name], $def);
+ }
+ else {
+ $result = $def;
+ }
+
+ $rcube = rcube::get_instance();
+
+ if ($name == 'timezone' && isset($this->prop['_timezone_value'])) {
+ $result = $this->prop['_timezone_value'];
+ }
+ else if ($name == 'client_mimetypes') {
+ if ($result == null && $def == null)
+ $result = 'text/plain,text/html,text/xml,image/jpeg,image/gif,image/png,image/bmp,image/tiff,application/x-javascript,application/pdf,application/x-shockwave-flash';
+ if ($result && is_string($result))
+ $result = explode(',', $result);
+ }
+
+ $plugin = $rcube->plugins->exec_hook('config_get', array(
+ 'name' => $name, 'default' => $def, 'result' => $result));
+
+ return $plugin['result'];
+ }
+
+
+ /**
+ * Setter for a config parameter
+ *
+ * @param string $name Parameter name
+ * @param mixed $value Parameter value
+ */
+ public function set($name, $value)
+ {
+ $this->prop[$name] = $value;
+ }
+
+
+ /**
+ * Override config options with the given values (eg. user prefs)
+ *
+ * @param array $prefs Hash array with config props to merge over
+ */
+ public function merge($prefs)
+ {
+ $this->prop = array_merge($this->prop, $prefs, $this->userprefs);
+ }
+
+
+ /**
+ * Merge the given prefs over the current config
+ * and make sure that they survive further merging.
+ *
+ * @param array $prefs Hash array with user prefs
+ */
+ public function set_user_prefs($prefs)
+ {
+ // Honor the dont_override setting for any existing user preferences
+ $dont_override = $this->get('dont_override');
+ if (is_array($dont_override) && !empty($dont_override)) {
+ foreach ($dont_override as $key) {
+ unset($prefs[$key]);
+ }
+ }
+
+ // convert user's timezone into the new format
+ if (is_numeric($prefs['timezone']) && ($tz = timezone_name_from_abbr('', $prefs['timezone'] * 3600, 0))) {
+ $prefs['timezone'] = $tz;
+ }
+
+ // larry is the new default skin :-)
+ if ($prefs['skin'] == 'default') {
+ $prefs['skin'] = self::DEFAULT_SKIN;
+ }
+
+ $this->userprefs = $prefs;
+ $this->prop = array_merge($this->prop, $prefs);
+
+ // override timezone settings with client values
+ if ($this->prop['timezone'] == 'auto') {
+ $this->prop['_timezone_value'] = isset($_SESSION['timezone']) ? $this->client_timezone() : $this->prop['_timezone_value'];
+ }
+ else if (isset($this->prop['_timezone_value']))
+ unset($this->prop['_timezone_value']);
+ }
+
+
+ /**
+ * Getter for all config options
+ *
+ * @return array Hash array containg all config properties
+ */
+ public function all()
+ {
+ return $this->prop;
+ }
+
+ /**
+ * Special getter for user's timezone offset including DST
+ *
+ * @return float Timezone offset (in hours)
+ * @deprecated
+ */
+ public function get_timezone()
+ {
+ if ($tz = $this->get('timezone')) {
+ try {
+ $tz = new DateTimeZone($tz);
+ return $tz->getOffset(new DateTime('now')) / 3600;
+ }
+ catch (Exception $e) {
+ }
+ }
+
+ return 0;
+ }
+
+ /**
+ * Return requested DES crypto key.
+ *
+ * @param string $key Crypto key name
+ * @return string Crypto key
+ */
+ public function get_crypto_key($key)
+ {
+ // Bomb out if the requested key does not exist
+ if (!array_key_exists($key, $this->prop)) {
+ rcube::raise_error(array(
+ 'code' => 500, 'type' => 'php',
+ 'file' => __FILE__, 'line' => __LINE__,
+ 'message' => "Request for unconfigured crypto key \"$key\""
+ ), true, true);
+ }
+
+ $key = $this->prop[$key];
+
+ // Bomb out if the configured key is not exactly 24 bytes long
+ if (strlen($key) != 24) {
+ rcube::raise_error(array(
+ 'code' => 500, 'type' => 'php',
+ 'file' => __FILE__, 'line' => __LINE__,
+ 'message' => "Configured crypto key '$key' is not exactly 24 bytes long"
+ ), true, true);
+ }
+
+ return $key;
+ }
+
+
+ /**
+ * Try to autodetect operating system and find the correct line endings
+ *
+ * @return string The appropriate mail header delimiter
+ */
+ public function header_delimiter()
+ {
+ // use the configured delimiter for headers
+ if (!empty($this->prop['mail_header_delimiter'])) {
+ $delim = $this->prop['mail_header_delimiter'];
+ if ($delim == "\n" || $delim == "\r\n")
+ return $delim;
+ else
+ rcube::raise_error(array(
+ 'code' => 500, 'type' => 'php',
+ 'file' => __FILE__, 'line' => __LINE__,
+ 'message' => "Invalid mail_header_delimiter setting"
+ ), true, false);
+ }
+
+ $php_os = strtolower(substr(PHP_OS, 0, 3));
+
+ if ($php_os == 'win')
+ return "\r\n";
+
+ if ($php_os == 'mac')
+ return "\r\n";
+
+ return "\n";
+ }
+
+
+ /**
+ * Return the mail domain configured for the given host
+ *
+ * @param string $host IMAP host
+ * @param boolean $encode If true, domain name will be converted to IDN ASCII
+ * @return string Resolved SMTP host
+ */
+ public function mail_domain($host, $encode=true)
+ {
+ $domain = $host;
+
+ if (is_array($this->prop['mail_domain'])) {
+ if (isset($this->prop['mail_domain'][$host]))
+ $domain = $this->prop['mail_domain'][$host];
+ }
+ else if (!empty($this->prop['mail_domain'])) {
+ $domain = rcube_utils::parse_host($this->prop['mail_domain']);
+ }
+
+ if ($encode) {
+ $domain = rcube_utils::idn_to_ascii($domain);
+ }
+
+ return $domain;
+ }
+
+
+ /**
+ * Getter for error state
+ *
+ * @return mixed Error message on error, False if no errors
+ */
+ public function get_error()
+ {
+ return empty($this->errors) ? false : join("\n", $this->errors);
+ }
+
+
+ /**
+ * Internal getter for client's (browser) timezone identifier
+ */
+ private function client_timezone()
+ {
+ if (isset($_SESSION['timezone']) && is_numeric($_SESSION['timezone'])
+ && ($ctz = timezone_name_from_abbr("", $_SESSION['timezone'] * 3600, 0))) {
+ return $ctz;
+ }
+ else if (!empty($_SESSION['timezone'])) {
+ try {
+ $tz = timezone_open($_SESSION['timezone']);
+ return $tz->getName();
+ }
+ catch (Exception $e) { /* gracefully ignore */ }
+ }
+
+ // fallback to server's timezone
+ return date_default_timezone_get();
+ }
+
+}