| | |
| | | | Author: Thomas Bruederli <roundcube@gmail.com> | |
| | | +-----------------------------------------------------------------------+ |
| | | |
| | | $Id: $ |
| | | $Id$ |
| | | |
| | | */ |
| | | |
| | | /** |
| | | * The plugin loader and global API |
| | | * |
| | | * @package Core |
| | | * @package PluginAPI |
| | | */ |
| | | class rcube_plugin_api |
| | | { |
| | |
| | | |
| | | public $handlers = array(); |
| | | private $plugins = array(); |
| | | private $tasks = array(); |
| | | private $actions = array(); |
| | | private $actionmap = array(); |
| | | private $objectsmap = array(); |
| | |
| | | /** |
| | | * Load and init all enabled plugins |
| | | * |
| | | * This has to be done after rcmail::load_gui() or rcmail::init_json() |
| | | * This has to be done after rcmail::load_gui() or rcmail::json_init() |
| | | * was called because plugins need to have access to rcmail->output |
| | | */ |
| | | public function init() |
| | | { |
| | | $rcmail = rcmail::get_instance(); |
| | | $this->output = $rcmail->output; |
| | | |
| | | |
| | | $plugins_dir = dir($this->dir); |
| | | $plugins_dir = unslashify($plugins_dir->path); |
| | | $plugins_enabled = (array)$rcmail->config->get('plugins', array()); |
| | | |
| | | |
| | | foreach ($plugins_enabled as $plugin_name) { |
| | | $fn = $plugins_dir->path . DIRECTORY_SEPARATOR . $plugin_name . DIRECTORY_SEPARATOR . $plugin_name . '.php'; |
| | | |
| | | $fn = $plugins_dir . DIRECTORY_SEPARATOR . $plugin_name . DIRECTORY_SEPARATOR . $plugin_name . '.php'; |
| | | |
| | | if (file_exists($fn)) { |
| | | include($fn); |
| | | |
| | | |
| | | // instantiate class if exists |
| | | if (class_exists($plugin_name, false)) { |
| | | $plugin = new $plugin_name($this); |
| | | // check inheritance and task specification |
| | | if (is_subclass_of($plugin, 'rcube_plugin') && (!$plugin->task || preg_match('/('.$plugin->task.')/i', $rcmail->task))) { |
| | | if (is_subclass_of($plugin, 'rcube_plugin') && (!$plugin->task || preg_match('/^('.$plugin->task.')$/i', $rcmail->task))) { |
| | | $plugin->init(); |
| | | $this->plugins[] = $plugin; |
| | | } |
| | | } |
| | | else { |
| | | raise_error(array('code' => 520, 'type' => 'php', 'message' => "No plugin class $plugin_name found in $fn"), true, false); |
| | | raise_error(array('code' => 520, 'type' => 'php', |
| | | 'file' => __FILE__, 'line' => __LINE__, |
| | | 'message' => "No plugin class $plugin_name found in $fn"), true, false); |
| | | } |
| | | } |
| | | else { |
| | | raise_error(array('code' => 520, 'type' => 'php', 'message' => "Failed to load plugin file $fn"), true, false); |
| | | raise_error(array('code' => 520, 'type' => 'php', |
| | | 'file' => __FILE__, 'line' => __LINE__, |
| | | 'message' => "Failed to load plugin file $fn"), true, false); |
| | | } |
| | | } |
| | | |
| | |
| | | |
| | | // load required core plugin if no derivate was found |
| | | if (!$loaded) { |
| | | $fn = $plugins_dir->path . DIRECTORY_SEPARATOR . $plugin_name . DIRECTORY_SEPARATOR . $plugin_name . '.php'; |
| | | $fn = $plugins_dir . DIRECTORY_SEPARATOR . $plugin_name . DIRECTORY_SEPARATOR . $plugin_name . '.php'; |
| | | |
| | | if (file_exists($fn)) { |
| | | include_once($fn); |
| | | |
| | |
| | | |
| | | // trigger fatal error if still not loaded |
| | | if (!$loaded) { |
| | | raise_error(array('code' => 520, 'type' => 'php', 'message' => "Requried plugin $plugin_name was not loaded"), true, true); |
| | | raise_error(array('code' => 520, 'type' => 'php', |
| | | 'file' => __FILE__, 'line' => __LINE__, |
| | | 'message' => "Requried plugin $plugin_name was not loaded"), true, true); |
| | | } |
| | | } |
| | | |
| | |
| | | $this->register_hook('template_container', array($this, 'template_container_hook')); |
| | | |
| | | // maybe also register a shudown function which triggers shutdown functions of all plugin objects |
| | | |
| | | |
| | | // call imap_init right now |
| | | // (should actually be done in rcmail::imap_init() but plugins are not initialized then) |
| | | if ($rcmail->imap) { |
| | | $hook = $this->exec_hook('imap_init', array('fetch_headers' => $rcmail->imap->fetch_add_headers)); |
| | | if ($hook['fetch_headers']) |
| | | $rcmail->imap->fetch_add_headers = $hook['fetch_headers']; |
| | | } |
| | | } |
| | | |
| | | |
| | |
| | | if (is_callable($callback)) |
| | | $this->handlers[$hook][] = $callback; |
| | | else |
| | | raise_error(array('code' => 521, 'type' => 'php', 'message' => "Invalid callback function for $hook"), true, false); |
| | | raise_error(array('code' => 521, 'type' => 'php', |
| | | 'file' => __FILE__, 'line' => __LINE__, |
| | | 'message' => "Invalid callback function for $hook"), true, false); |
| | | } |
| | | |
| | | |
| | |
| | | * @param string Action name (_task=mail&_action=plugin.foo) |
| | | * @param string Plugin name that registers this action |
| | | * @param mixed Callback: string with global function name or array($obj, 'methodname') |
| | | * @param string Task name registered by this plugin |
| | | */ |
| | | public function register_action($action, $owner, $callback) |
| | | public function register_action($action, $owner, $callback, $task = null) |
| | | { |
| | | // check action name |
| | | if (strpos($action, 'plugin.') !== 0) |
| | | if ($task) |
| | | $action = $task.'.'.$action; |
| | | else if (strpos($action, 'plugin.') !== 0) |
| | | $action = 'plugin.'.$action; |
| | | |
| | | // can register action only if it's not taken or registered by myself |
| | |
| | | $this->actionmap[$action] = $owner; |
| | | } |
| | | else { |
| | | raise_error(array('code' => 523, 'type' => 'php', 'message' => "Cannot register action $action; already taken by another plugin"), true, false); |
| | | raise_error(array('code' => 523, 'type' => 'php', |
| | | 'file' => __FILE__, 'line' => __LINE__, |
| | | 'message' => "Cannot register action $action; already taken by another plugin"), true, false); |
| | | } |
| | | } |
| | | |
| | |
| | | call_user_func($this->actions[$action]); |
| | | } |
| | | else { |
| | | raise_error(array('code' => 524, 'type' => 'php', 'message' => "No handler found for action $action"), true, true); |
| | | raise_error(array('code' => 524, 'type' => 'php', |
| | | 'file' => __FILE__, 'line' => __LINE__, |
| | | 'message' => "No handler found for action $action"), true, true); |
| | | } |
| | | } |
| | | |
| | |
| | | $this->objectsmap[$name] = $owner; |
| | | } |
| | | else { |
| | | raise_error(array('code' => 525, 'type' => 'php', 'message' => "Cannot register template handler $name; already taken by another plugin"), true, false); |
| | | raise_error(array('code' => 525, 'type' => 'php', |
| | | 'file' => __FILE__, 'line' => __LINE__, |
| | | 'message' => "Cannot register template handler $name; already taken by another plugin"), true, false); |
| | | } |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Register this plugin to be responsible for a specific task |
| | | * |
| | | * @param string Task name (only characters [a-z0-9_.-] are allowed) |
| | | * @param string Plugin name that registers this action |
| | | */ |
| | | public function register_task($task, $owner) |
| | | { |
| | | if ($task != asciiwords($task)) { |
| | | raise_error(array('code' => 526, 'type' => 'php', |
| | | 'file' => __FILE__, 'line' => __LINE__, |
| | | 'message' => "Invalid task name: $task. Only characters [a-z0-9_.-] are allowed"), true, false); |
| | | } |
| | | else if (in_array($task, rcmail::$main_tasks)) { |
| | | raise_error(array('code' => 526, 'type' => 'php', |
| | | 'file' => __FILE__, 'line' => __LINE__, |
| | | 'message' => "Cannot register taks $task; already taken by another plugin or the application itself"), true, false); |
| | | } |
| | | else { |
| | | $this->tasks[$task] = $owner; |
| | | rcmail::$main_tasks[] = $task; |
| | | return true; |
| | | } |
| | | |
| | | return false; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Checks whether the given task is registered by a plugin |
| | | * |
| | | * @return boolean True if registered, otherwise false |
| | | */ |
| | | public function is_plugin_task($task) |
| | | { |
| | | return $this->tasks[$task] ? true : false; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * Check if a plugin hook is currently processing. |
| | | * Mainly used to prevent loops and recursion. |
| | | * |