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Diffstat (limited to 'program/include/rcube.php')
-rw-r--r-- | program/include/rcube.php | 1227 |
1 files changed, 0 insertions, 1227 deletions
diff --git a/program/include/rcube.php b/program/include/rcube.php deleted file mode 100644 index 9c1a6d84a..000000000 --- a/program/include/rcube.php +++ /dev/null @@ -1,1227 +0,0 @@ -<?php - -/* - +-----------------------------------------------------------------------+ - | program/include/rcube.php | - | | - | This file is part of the Roundcube Webmail client | - | Copyright (C) 2008-2012, The Roundcube Dev Team | - | Copyright (C) 2011-2012, Kolab Systems AG | - | | - | 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: | - | Framework base class providing core functions and holding | - | instances of all 'global' objects like db- and storage-connections | - +-----------------------------------------------------------------------+ - | Author: Thomas Bruederli <roundcube@gmail.com> | - +-----------------------------------------------------------------------+ -*/ - - -/** - * Base class of the Roundcube Framework - * implemented as singleton - * - * @package Framework - * @subpackage Core - */ -class rcube -{ - const INIT_WITH_DB = 1; - const INIT_WITH_PLUGINS = 2; - - /** - * Singleton instace of rcube - * - * @var rcmail - */ - static protected $instance; - - /** - * Stores instance of rcube_config. - * - * @var rcube_config - */ - public $config; - - /** - * Instace of database class. - * - * @var rcube_db - */ - public $db; - - /** - * Instace of Memcache class. - * - * @var Memcache - */ - public $memcache; - - /** - * Instace of rcube_session class. - * - * @var rcube_session - */ - public $session; - - /** - * Instance of rcube_smtp class. - * - * @var rcube_smtp - */ - public $smtp; - - /** - * Instance of rcube_storage class. - * - * @var rcube_storage - */ - public $storage; - - /** - * Instance of rcube_output class. - * - * @var rcube_output - */ - public $output; - - /** - * Instance of rcube_plugin_api. - * - * @var rcube_plugin_api - */ - public $plugins; - - - /* private/protected vars */ - protected $texts; - protected $caches = array(); - protected $shutdown_functions = array(); - protected $expunge_cache = false; - - - /** - * This implements the 'singleton' design pattern - * - * @param integer Options to initialize with this instance. See rcube::INIT_WITH_* constants - * - * @return rcube The one and only instance - */ - static function get_instance($mode = 0) - { - if (!self::$instance) { - self::$instance = new rcube(); - self::$instance->init($mode); - } - - return self::$instance; - } - - - /** - * Private constructor - */ - protected function __construct() - { - // load configuration - $this->config = new rcube_config; - $this->plugins = new rcube_dummy_plugin_api; - - register_shutdown_function(array($this, 'shutdown')); - } - - - /** - * Initial startup function - */ - protected function init($mode = 0) - { - // initialize syslog - if ($this->config->get('log_driver') == 'syslog') { - $syslog_id = $this->config->get('syslog_id', 'roundcube'); - $syslog_facility = $this->config->get('syslog_facility', LOG_USER); - openlog($syslog_id, LOG_ODELAY, $syslog_facility); - } - - // connect to database - if ($mode & self::INIT_WITH_DB) { - $this->get_dbh(); - } - - // create plugin API and load plugins - if ($mode & self::INIT_WITH_PLUGINS) { - $this->plugins = rcube_plugin_api::get_instance(); - } - } - - - /** - * Get the current database connection - * - * @return rcube_db Database object - */ - public function get_dbh() - { - if (!$this->db) { - $config_all = $this->config->all(); - $this->db = rcube_db::factory($config_all['db_dsnw'], $config_all['db_dsnr'], $config_all['db_persistent']); - $this->db->set_debug((bool)$config_all['sql_debug']); - } - - return $this->db; - } - - - /** - * Get global handle for memcache access - * - * @return object Memcache - */ - public function get_memcache() - { - if (!isset($this->memcache)) { - // no memcache support in PHP - if (!class_exists('Memcache')) { - $this->memcache = false; - return false; - } - - $this->memcache = new Memcache; - $this->mc_available = 0; - - // add all configured hosts to pool - $pconnect = $this->config->get('memcache_pconnect', true); - foreach ($this->config->get('memcache_hosts', array()) as $host) { - if (substr($host, 0, 7) != 'unix://') { - list($host, $port) = explode(':', $host); - if (!$port) $port = 11211; - } - else { - $port = 0; - } - - $this->mc_available += intval($this->memcache->addServer( - $host, $port, $pconnect, 1, 1, 15, false, array($this, 'memcache_failure'))); - } - - // test connection and failover (will result in $this->mc_available == 0 on complete failure) - $this->memcache->increment('__CONNECTIONTEST__', 1); // NOP if key doesn't exist - - if (!$this->mc_available) { - $this->memcache = false; - } - } - - return $this->memcache; - } - - - /** - * Callback for memcache failure - */ - public function memcache_failure($host, $port) - { - static $seen = array(); - - // only report once - if (!$seen["$host:$port"]++) { - $this->mc_available--; - self::raise_error(array( - 'code' => 604, 'type' => 'db', - 'line' => __LINE__, 'file' => __FILE__, - 'message' => "Memcache failure on host $host:$port"), - true, false); - } - } - - - /** - * Initialize and get cache object - * - * @param string $name Cache identifier - * @param string $type Cache type ('db', 'apc' or 'memcache') - * @param string $ttl Expiration time for cache items - * @param bool $packed Enables/disables data serialization - * - * @return rcube_cache Cache object - */ - public function get_cache($name, $type='db', $ttl=0, $packed=true) - { - if (!isset($this->caches[$name]) && ($userid = $this->get_user_id())) { - $this->caches[$name] = new rcube_cache($type, $userid, $name, $ttl, $packed); - } - - return $this->caches[$name]; - } - - - /** - * Create SMTP object and connect to server - * - * @param boolean True if connection should be established - */ - public function smtp_init($connect = false) - { - $this->smtp = new rcube_smtp(); - - if ($connect) { - $this->smtp->connect(); - } - } - - - /** - * Initialize and get storage object - * - * @return rcube_storage Storage object - */ - public function get_storage() - { - // already initialized - if (!is_object($this->storage)) { - $this->storage_init(); - } - - return $this->storage; - } - - - /** - * Initialize storage object - */ - public function storage_init() - { - // already initialized - if (is_object($this->storage)) { - return; - } - - $driver = $this->config->get('storage_driver', 'imap'); - $driver_class = "rcube_{$driver}"; - - if (!class_exists($driver_class)) { - self::raise_error(array( - 'code' => 700, 'type' => 'php', - 'file' => __FILE__, 'line' => __LINE__, - 'message' => "Storage driver class ($driver) not found!"), - true, true); - } - - // Initialize storage object - $this->storage = new $driver_class; - - // for backward compat. (deprecated, will be removed) - $this->imap = $this->storage; - - // enable caching of mail data - $storage_cache = $this->config->get("{$driver}_cache"); - $messages_cache = $this->config->get('messages_cache'); - // for backward compatybility - if ($storage_cache === null && $messages_cache === null && $this->config->get('enable_caching')) { - $storage_cache = 'db'; - $messages_cache = true; - } - - if ($storage_cache) { - $this->storage->set_caching($storage_cache); - } - if ($messages_cache) { - $this->storage->set_messages_caching(true); - } - - // set pagesize from config - $pagesize = $this->config->get('mail_pagesize'); - if (!$pagesize) { - $pagesize = $this->config->get('pagesize', 50); - } - $this->storage->set_pagesize($pagesize); - - // set class options - $options = array( - 'auth_type' => $this->config->get("{$driver}_auth_type", 'check'), - 'auth_cid' => $this->config->get("{$driver}_auth_cid"), - 'auth_pw' => $this->config->get("{$driver}_auth_pw"), - 'debug' => (bool) $this->config->get("{$driver}_debug"), - 'force_caps' => (bool) $this->config->get("{$driver}_force_caps"), - 'timeout' => (int) $this->config->get("{$driver}_timeout"), - 'skip_deleted' => (bool) $this->config->get('skip_deleted'), - 'driver' => $driver, - ); - - if (!empty($_SESSION['storage_host'])) { - $options['host'] = $_SESSION['storage_host']; - $options['user'] = $_SESSION['username']; - $options['port'] = $_SESSION['storage_port']; - $options['ssl'] = $_SESSION['storage_ssl']; - $options['password'] = $this->decrypt($_SESSION['password']); - $_SESSION[$driver.'_host'] = $_SESSION['storage_host']; - } - - $options = $this->plugins->exec_hook("storage_init", $options); - - // for backward compat. (deprecated, to be removed) - $options = $this->plugins->exec_hook("imap_init", $options); - - $this->storage->set_options($options); - $this->set_storage_prop(); - } - - - /** - * Set storage parameters. - * This must be done AFTER connecting to the server! - */ - protected function set_storage_prop() - { - $storage = $this->get_storage(); - - $storage->set_charset($this->config->get('default_charset', RCMAIL_CHARSET)); - - if ($default_folders = $this->config->get('default_folders')) { - $storage->set_default_folders($default_folders); - } - if (isset($_SESSION['mbox'])) { - $storage->set_folder($_SESSION['mbox']); - } - if (isset($_SESSION['page'])) { - $storage->set_page($_SESSION['page']); - } - } - - - /** - * Create session object and start the session. - */ - public function session_init() - { - // session started (Installer?) - if (session_id()) { - return; - } - - $sess_name = $this->config->get('session_name'); - $sess_domain = $this->config->get('session_domain'); - $sess_path = $this->config->get('session_path'); - $lifetime = $this->config->get('session_lifetime', 0) * 60; - - // set session domain - if ($sess_domain) { - ini_set('session.cookie_domain', $sess_domain); - } - // set session path - if ($sess_path) { - ini_set('session.cookie_path', $sess_path); - } - // set session garbage collecting time according to session_lifetime - if ($lifetime) { - ini_set('session.gc_maxlifetime', $lifetime * 2); - } - - ini_set('session.cookie_secure', rcube_utils::https_check()); - ini_set('session.name', $sess_name ? $sess_name : 'roundcube_sessid'); - ini_set('session.use_cookies', 1); - ini_set('session.use_only_cookies', 1); - ini_set('session.serialize_handler', 'php'); - ini_set('session.cookie_httponly', 1); - - // use database for storing session data - $this->session = new rcube_session($this->get_dbh(), $this->config); - - $this->session->register_gc_handler(array($this, 'temp_gc')); - $this->session->register_gc_handler(array($this, 'cache_gc')); - - $this->session->set_secret($this->config->get('des_key') . dirname($_SERVER['SCRIPT_NAME'])); - $this->session->set_ip_check($this->config->get('ip_check')); - - // start PHP session (if not in CLI mode) - if ($_SERVER['REMOTE_ADDR']) { - session_start(); - } - } - - - /** - * Garbage collector function for temp files. - * Remove temp files older than two days - */ - public function temp_gc() - { - $tmp = unslashify($this->config->get('temp_dir')); - $expire = time() - 172800; // expire in 48 hours - - if ($tmp && ($dir = opendir($tmp))) { - while (($fname = readdir($dir)) !== false) { - if ($fname{0} == '.') { - continue; - } - - if (filemtime($tmp.'/'.$fname) < $expire) { - @unlink($tmp.'/'.$fname); - } - } - - closedir($dir); - } - } - - - /** - * Garbage collector for cache entries. - * Set flag to expunge caches on shutdown - */ - public function cache_gc() - { - // because this gc function is called before storage is initialized, - // we just set a flag to expunge storage cache on shutdown. - $this->expunge_cache = true; - } - - - /** - * Get localized text in the desired language - * - * @param mixed $attrib Named parameters array or label name - * @param string $domain Label domain (plugin) name - * - * @return string Localized text - */ - public function gettext($attrib, $domain=null) - { - // load localization files if not done yet - if (empty($this->texts)) { - $this->load_language(); - } - - // extract attributes - if (is_string($attrib)) { - $attrib = array('name' => $attrib); - } - - $name = $attrib['name'] ? $attrib['name'] : ''; - - // attrib contain text values: use them from now - if (($setval = $attrib[strtolower($_SESSION['language'])]) || ($setval = $attrib['en_us'])) { - $this->texts[$name] = $setval; - } - - // check for text with domain - if ($domain && ($text = $this->texts[$domain.'.'.$name])) { - } - // text does not exist - else if (!($text = $this->texts[$name])) { - return "[$name]"; - } - - // replace vars in text - if (is_array($attrib['vars'])) { - foreach ($attrib['vars'] as $var_key => $var_value) { - $text = str_replace($var_key[0]!='$' ? '$'.$var_key : $var_key, $var_value, $text); - } - } - - // format output - if (($attrib['uppercase'] && strtolower($attrib['uppercase'] == 'first')) || $attrib['ucfirst']) { - return ucfirst($text); - } - else if ($attrib['uppercase']) { - return mb_strtoupper($text); - } - else if ($attrib['lowercase']) { - return mb_strtolower($text); - } - - return strtr($text, array('\n' => "\n")); - } - - - /** - * Check if the given text label exists - * - * @param string $name Label name - * @param string $domain Label domain (plugin) name or '*' for all domains - * @param string $ref_domain Sets domain name if label is found - * - * @return boolean True if text exists (either in the current language or in en_US) - */ - public function text_exists($name, $domain = null, &$ref_domain = null) - { - // load localization files if not done yet - if (empty($this->texts)) { - $this->load_language(); - } - - if (isset($this->texts[$name])) { - $ref_domain = ''; - return true; - } - - // any of loaded domains (plugins) - if ($domain == '*') { - foreach ($this->plugins->loaded_plugins() as $domain) { - if (isset($this->texts[$domain.'.'.$name])) { - $ref_domain = $domain; - return true; - } - } - } - // specified domain - else if ($domain) { - $ref_domain = $domain; - return isset($this->texts[$domain.'.'.$name]); - } - - return false; - } - - - /** - * Load a localization package - * - * @param string Language ID - * @param array Additional text labels/messages - */ - public function load_language($lang = null, $add = array()) - { - $lang = $this->language_prop(($lang ? $lang : $_SESSION['language'])); - - // load localized texts - if (empty($this->texts) || $lang != $_SESSION['language']) { - $this->texts = array(); - - // handle empty lines after closing PHP tag in localization files - ob_start(); - - // get english labels (these should be complete) - @include(INSTALL_PATH . 'program/localization/en_US/labels.inc'); - @include(INSTALL_PATH . 'program/localization/en_US/messages.inc'); - - if (is_array($labels)) - $this->texts = $labels; - if (is_array($messages)) - $this->texts = array_merge($this->texts, $messages); - - // include user language files - if ($lang != 'en' && $lang != 'en_US' && is_dir(INSTALL_PATH . 'program/localization/' . $lang)) { - include_once(INSTALL_PATH . 'program/localization/' . $lang . '/labels.inc'); - include_once(INSTALL_PATH . 'program/localization/' . $lang . '/messages.inc'); - - if (is_array($labels)) - $this->texts = array_merge($this->texts, $labels); - if (is_array($messages)) - $this->texts = array_merge($this->texts, $messages); - } - - ob_end_clean(); - - $_SESSION['language'] = $lang; - } - - // append additional texts (from plugin) - if (is_array($add) && !empty($add)) { - $this->texts += $add; - } - } - - - /** - * Check the given string and return a valid language code - * - * @param string Language code - * - * @return string Valid language code - */ - protected function language_prop($lang) - { - static $rcube_languages, $rcube_language_aliases; - - // user HTTP_ACCEPT_LANGUAGE if no language is specified - if (empty($lang) || $lang == 'auto') { - $accept_langs = explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']); - $lang = str_replace('-', '_', $accept_langs[0]); - } - - if (empty($rcube_languages)) { - @include(INSTALL_PATH . 'program/localization/index.inc'); - } - - // check if we have an alias for that language - if (!isset($rcube_languages[$lang]) && isset($rcube_language_aliases[$lang])) { - $lang = $rcube_language_aliases[$lang]; - } - // try the first two chars - else if (!isset($rcube_languages[$lang])) { - $short = substr($lang, 0, 2); - - // check if we have an alias for the short language code - if (!isset($rcube_languages[$short]) && isset($rcube_language_aliases[$short])) { - $lang = $rcube_language_aliases[$short]; - } - // expand 'nn' to 'nn_NN' - else if (!isset($rcube_languages[$short])) { - $lang = $short.'_'.strtoupper($short); - } - } - - if (!isset($rcube_languages[$lang]) || !is_dir(INSTALL_PATH . 'program/localization/' . $lang)) { - $lang = 'en_US'; - } - - return $lang; - } - - - /** - * Read directory program/localization and return a list of available languages - * - * @return array List of available localizations - */ - public function list_languages() - { - static $sa_languages = array(); - - if (!sizeof($sa_languages)) { - @include(INSTALL_PATH . 'program/localization/index.inc'); - - if ($dh = @opendir(INSTALL_PATH . 'program/localization')) { - while (($name = readdir($dh)) !== false) { - if ($name[0] == '.' || !is_dir(INSTALL_PATH . 'program/localization/' . $name)) { - continue; - } - - if ($label = $rcube_languages[$name]) { - $sa_languages[$name] = $label; - } - } - closedir($dh); - } - } - - return $sa_languages; - } - - - /** - * Encrypt using 3DES - * - * @param string $clear clear text input - * @param string $key encryption key to retrieve from the configuration, defaults to 'des_key' - * @param boolean $base64 whether or not to base64_encode() the result before returning - * - * @return string encrypted text - */ - public function encrypt($clear, $key = 'des_key', $base64 = true) - { - if (!$clear) { - return ''; - } - - /*- - * Add a single canary byte to the end of the clear text, which - * will help find out how much of padding will need to be removed - * upon decryption; see http://php.net/mcrypt_generic#68082 - */ - $clear = pack("a*H2", $clear, "80"); - - if (function_exists('mcrypt_module_open') && - ($td = mcrypt_module_open(MCRYPT_TripleDES, "", MCRYPT_MODE_CBC, "")) - ) { - $iv = $this->create_iv(mcrypt_enc_get_iv_size($td)); - mcrypt_generic_init($td, $this->config->get_crypto_key($key), $iv); - $cipher = $iv . mcrypt_generic($td, $clear); - mcrypt_generic_deinit($td); - mcrypt_module_close($td); - } - else { - @include_once 'des.inc'; - - if (function_exists('des')) { - $des_iv_size = 8; - $iv = $this->create_iv($des_iv_size); - $cipher = $iv . des($this->config->get_crypto_key($key), $clear, 1, 1, $iv); - } - else { - self::raise_error(array( - 'code' => 500, 'type' => 'php', - 'file' => __FILE__, 'line' => __LINE__, - 'message' => "Could not perform encryption; make sure Mcrypt is installed or lib/des.inc is available" - ), true, true); - } - } - - return $base64 ? base64_encode($cipher) : $cipher; - } - - - /** - * Decrypt 3DES-encrypted string - * - * @param string $cipher encrypted text - * @param string $key encryption key to retrieve from the configuration, defaults to 'des_key' - * @param boolean $base64 whether or not input is base64-encoded - * - * @return string decrypted text - */ - public function decrypt($cipher, $key = 'des_key', $base64 = true) - { - if (!$cipher) { - return ''; - } - - $cipher = $base64 ? base64_decode($cipher) : $cipher; - - if (function_exists('mcrypt_module_open') && - ($td = mcrypt_module_open(MCRYPT_TripleDES, "", MCRYPT_MODE_CBC, "")) - ) { - $iv_size = mcrypt_enc_get_iv_size($td); - $iv = substr($cipher, 0, $iv_size); - - // session corruption? (#1485970) - if (strlen($iv) < $iv_size) { - return ''; - } - - $cipher = substr($cipher, $iv_size); - mcrypt_generic_init($td, $this->config->get_crypto_key($key), $iv); - $clear = mdecrypt_generic($td, $cipher); - mcrypt_generic_deinit($td); - mcrypt_module_close($td); - } - else { - @include_once 'des.inc'; - - if (function_exists('des')) { - $des_iv_size = 8; - $iv = substr($cipher, 0, $des_iv_size); - $cipher = substr($cipher, $des_iv_size); - $clear = des($this->config->get_crypto_key($key), $cipher, 0, 1, $iv); - } - else { - self::raise_error(array( - 'code' => 500, 'type' => 'php', - 'file' => __FILE__, 'line' => __LINE__, - 'message' => "Could not perform decryption; make sure Mcrypt is installed or lib/des.inc is available" - ), true, true); - } - } - - /*- - * Trim PHP's padding and the canary byte; see note in - * rcube::encrypt() and http://php.net/mcrypt_generic#68082 - */ - $clear = substr(rtrim($clear, "\0"), 0, -1); - - return $clear; - } - - - /** - * Generates encryption initialization vector (IV) - * - * @param int Vector size - * - * @return string Vector string - */ - private function create_iv($size) - { - // mcrypt_create_iv() can be slow when system lacks entrophy - // we'll generate IV vector manually - $iv = ''; - for ($i = 0; $i < $size; $i++) { - $iv .= chr(mt_rand(0, 255)); - } - - return $iv; - } - - - /** - * Build a valid URL to this instance of Roundcube - * - * @param mixed Either a string with the action or url parameters as key-value pairs - * @return string Valid application URL - */ - public function url($p) - { - // STUB: should be overloaded by the application - return ''; - } - - - /** - * Function to be executed in script shutdown - * Registered with register_shutdown_function() - */ - public function shutdown() - { - foreach ($this->shutdown_functions as $function) { - call_user_func($function); - } - - if (is_object($this->smtp)) { - $this->smtp->disconnect(); - } - - foreach ($this->caches as $cache) { - if (is_object($cache)) { - $cache->close(); - } - } - - if (is_object($this->storage)) { - if ($this->expunge_cache) { - $this->storage->expunge_cache(); - } - $this->storage->close(); - } - } - - - /** - * Registers shutdown function to be executed on shutdown. - * The functions will be executed before destroying any - * objects like smtp, imap, session, etc. - * - * @param callback Function callback - */ - public function add_shutdown_function($function) - { - $this->shutdown_functions[] = $function; - } - - - /** - * Construct shell command, execute it and return output as string. - * Keywords {keyword} are replaced with arguments - * - * @param $cmd Format string with {keywords} to be replaced - * @param $values (zero, one or more arrays can be passed) - * - * @return output of command. shell errors not detectable - */ - public static function exec(/* $cmd, $values1 = array(), ... */) - { - $args = func_get_args(); - $cmd = array_shift($args); - $values = $replacements = array(); - - // merge values into one array - foreach ($args as $arg) { - $values += (array)$arg; - } - - preg_match_all('/({(-?)([a-z]\w*)})/', $cmd, $matches, PREG_SET_ORDER); - foreach ($matches as $tags) { - list(, $tag, $option, $key) = $tags; - $parts = array(); - - if ($option) { - foreach ((array)$values["-$key"] as $key => $value) { - if ($value === true || $value === false || $value === null) { - $parts[] = $value ? $key : ""; - } - else { - foreach ((array)$value as $val) { - $parts[] = "$key " . escapeshellarg($val); - } - } - } - } - else { - foreach ((array)$values[$key] as $value) { - $parts[] = escapeshellarg($value); - } - } - - $replacements[$tag] = join(" ", $parts); - } - - // use strtr behaviour of going through source string once - $cmd = strtr($cmd, $replacements); - - return (string)shell_exec($cmd); - } - - - /** - * Print or write debug messages - * - * @param mixed Debug message or data - */ - public static function console() - { - $args = func_get_args(); - - if (class_exists('rcube', false)) { - $rcube = self::get_instance(); - $plugin = $rcube->plugins->exec_hook('console', array('args' => $args)); - if ($plugin['abort']) { - return; - } - $args = $plugin['args']; - } - - $msg = array(); - foreach ($args as $arg) { - $msg[] = !is_string($arg) ? var_export($arg, true) : $arg; - } - - self::write_log('console', join(";\n", $msg)); - } - - - /** - * Append a line to a logfile in the logs directory. - * Date will be added automatically to the line. - * - * @param $name name of log file - * @param line Line to append - */ - public static function write_log($name, $line) - { - if (!is_string($line)) { - $line = var_export($line, true); - } - - $date_format = self::$instance ? self::$instance->config->get('log_date_format') : null; - $log_driver = self::$instance ? self::$instance->config->get('log_driver') : null; - - if (empty($date_format)) { - $date_format = 'd-M-Y H:i:s O'; - } - - $date = date($date_format); - - // trigger logging hook - if (is_object(self::$instance) && is_object(self::$instance->plugins)) { - $log = self::$instance->plugins->exec_hook('write_log', array('name' => $name, 'date' => $date, 'line' => $line)); - $name = $log['name']; - $line = $log['line']; - $date = $log['date']; - if ($log['abort']) - return true; - } - - if ($log_driver == 'syslog') { - $prio = $name == 'errors' ? LOG_ERR : LOG_INFO; - syslog($prio, $line); - return true; - } - - // log_driver == 'file' is assumed here - - $line = sprintf("[%s]: %s\n", $date, $line); - $log_dir = self::$instance ? self::$instance->config->get('log_dir') : null; - - if (empty($log_dir)) { - $log_dir = INSTALL_PATH . 'logs'; - } - - // try to open specific log file for writing - $logfile = $log_dir.'/'.$name; - - if ($fp = @fopen($logfile, 'a')) { - fwrite($fp, $line); - fflush($fp); - fclose($fp); - return true; - } - - trigger_error("Error writing to log file $logfile; Please check permissions", E_USER_WARNING); - return false; - } - - - /** - * Throw system error (and show error page). - * - * @param array Named parameters - * - code: Error code (required) - * - type: Error type [php|db|imap|javascript] (required) - * - message: Error message - * - file: File where error occured - * - line: Line where error occured - * @param boolean True to log the error - * @param boolean Terminate script execution - */ - public static function raise_error($arg = array(), $log = false, $terminate = false) - { - // handle PHP exceptions - if (is_object($arg) && is_a($arg, 'Exception')) { - $err = array( - 'type' => 'php', - 'code' => $arg->getCode(), - 'line' => $arg->getLine(), - 'file' => $arg->getFile(), - 'message' => $arg->getMessage(), - ); - $arg = $err; - } - - // installer - if (class_exists('rcube_install', false)) { - $rci = rcube_install::get_instance(); - $rci->raise_error($arg); - return; - } - - if (($log || $terminate) && $arg['type'] && $arg['message']) { - $arg['fatal'] = $terminate; - self::log_bug($arg); - } - - // display error page and terminate script - if ($terminate && is_object(self::$instance->output)) { - self::$instance->output->raise_error($arg['code'], $arg['message']); - } - } - - - /** - * Report error according to configured debug_level - * - * @param array Named parameters - * @see self::raise_error() - */ - public static function log_bug($arg_arr) - { - $program = strtoupper($arg_arr['type']); - $level = self::get_instance()->config->get('debug_level'); - - // disable errors for ajax requests, write to log instead (#1487831) - if (($level & 4) && !empty($_REQUEST['_remote'])) { - $level = ($level ^ 4) | 1; - } - - // write error to local log file - if (($level & 1) || !empty($arg_arr['fatal'])) { - if ($_SERVER['REQUEST_METHOD'] == 'POST') { - $post_query = '?_task='.urlencode($_POST['_task']).'&_action='.urlencode($_POST['_action']); - } - else { - $post_query = ''; - } - - $log_entry = sprintf("%s Error: %s%s (%s %s)", - $program, - $arg_arr['message'], - $arg_arr['file'] ? sprintf(' in %s on line %d', $arg_arr['file'], $arg_arr['line']) : '', - $_SERVER['REQUEST_METHOD'], - $_SERVER['REQUEST_URI'] . $post_query); - - if (!self::write_log('errors', $log_entry)) { - // send error to PHPs error handler if write_log didn't succeed - trigger_error($arg_arr['message']); - } - } - - // report the bug to the global bug reporting system - if ($level & 2) { - // TODO: Send error via HTTP - } - - // show error if debug_mode is on - if ($level & 4) { - print "<b>$program Error"; - - if (!empty($arg_arr['file']) && !empty($arg_arr['line'])) { - print " in $arg_arr[file] ($arg_arr[line])"; - } - - print ':</b> '; - print nl2br($arg_arr['message']); - print '<br />'; - flush(); - } - } - - - /** - * Returns current time (with microseconds). - * - * @return float Current time in seconds since the Unix - */ - public static function timer() - { - return microtime(true); - } - - - /** - * Logs time difference according to provided timer - * - * @param float $timer Timer (self::timer() result) - * @param string $label Log line prefix - * @param string $dest Log file name - * - * @see self::timer() - */ - public static function print_timer($timer, $label = 'Timer', $dest = 'console') - { - static $print_count = 0; - - $print_count++; - $now = self::timer(); - $diff = $now - $timer; - - if (empty($label)) { - $label = 'Timer '.$print_count; - } - - self::write_log($dest, sprintf("%s: %0.4f sec", $label, $diff)); - } - - - /** - * Getter for logged user ID. - * - * @return mixed User identifier - */ - public function get_user_id() - { - if (is_object($this->user)) { - return $this->user->ID; - } - else if (isset($_SESSION['user_id'])) { - return $_SESSION['user_id']; - } - - return null; - } - - - /** - * Getter for logged user name. - * - * @return string User name - */ - public function get_user_name() - { - if (is_object($this->user)) { - return $this->user->get_username(); - } - - return null; - } -} - - -/** - * Lightweight plugin API class serving as a dummy if plugins are not enabled - * - * @package Core - */ -class rcube_dummy_plugin_api -{ - /** - * Triggers a plugin hook. - * @see rcube_plugin_api::exec_hook() - */ - public function exec_hook($hook, $args = array()) - { - return $args; - } -} |