pull/53/head
Aleksander Machniak 12 years ago
parent a61326c141
commit c4781306a5

@ -3,7 +3,7 @@
/*
+-----------------------------------------------------------------------+
| This file is part of the Roundcube Webmail client |
| Copyright (C) 2008-2009, The Roundcube Dev Team |
| 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. |
@ -25,334 +25,353 @@
*/
abstract class rcube_plugin
{
/**
* Class name of the plugin instance
*
* @var string
*/
public $ID;
/**
* Instance of Plugin API
*
* @var rcube_plugin_api
*/
public $api;
/**
* Regular expression defining task(s) to bind with
*
* @var string
*/
public $task;
/**
* Disables plugin in AJAX requests
*
* @var boolean
*/
public $noajax = false;
/**
* Disables plugin in framed mode
*
* @var boolean
*/
public $noframe = false;
protected $home;
protected $urlbase;
private $mytask;
/**
* Default constructor.
*
* @param rcube_plugin_api $api Plugin API
*/
public function __construct($api)
{
$this->ID = get_class($this);
$this->api = $api;
$this->home = $api->dir . $this->ID;
$this->urlbase = $api->url . $this->ID . '/';
}
/**
* Initialization method, needs to be implemented by the plugin itself
*/
abstract function init();
/**
* Attempt to load the given plugin which is required for the current plugin
*
* @param string Plugin name
* @return boolean True on success, false on failure
*/
public function require_plugin($plugin_name)
{
return $this->api->load_plugin($plugin_name);
}
/**
* Load local config file from plugins directory.
* The loaded values are patched over the global configuration.
*
* @param string $fname Config file name relative to the plugin's folder
* @return boolean True on success, false on failure
*/
public function load_config($fname = 'config.inc.php')
{
$fpath = $this->home.'/'.$fname;
$rcube = rcube::get_instance();
if (is_file($fpath) && !$rcube->config->load_from_file($fpath)) {
rcube::raise_error(array(
'code' => 527, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Failed to load config from $fpath"), true, false);
return false;
/**
* Class name of the plugin instance
*
* @var string
*/
public $ID;
/**
* Instance of Plugin API
*
* @var rcube_plugin_api
*/
public $api;
/**
* Regular expression defining task(s) to bind with
*
* @var string
*/
public $task;
/**
* Disables plugin in AJAX requests
*
* @var boolean
*/
public $noajax = false;
/**
* Disables plugin in framed mode
*
* @var boolean
*/
public $noframe = false;
protected $home;
protected $urlbase;
private $mytask;
/**
* Default constructor.
*
* @param rcube_plugin_api $api Plugin API
*/
public function __construct($api)
{
$this->ID = get_class($this);
$this->api = $api;
$this->home = $api->dir . $this->ID;
$this->urlbase = $api->url . $this->ID . '/';
}
return true;
}
/**
* Register a callback function for a specific (server-side) hook
*
* @param string $hook Hook name
* @param mixed $callback Callback function as string or array with object reference and method name
*/
public function add_hook($hook, $callback)
{
$this->api->register_hook($hook, $callback);
}
/**
* Unregister a callback function for a specific (server-side) hook.
*
* @param string $hook Hook name
* @param mixed $callback Callback function as string or array with object reference and method name
*/
public function remove_hook($hook, $callback)
{
$this->api->unregister_hook($hook, $callback);
}
/**
* Load localized texts from the plugins dir
*
* @param string $dir Directory to search in
* @param mixed $add2client Make texts also available on the client (array with list or true for all)
*/
public function add_texts($dir, $add2client = false)
{
$domain = $this->ID;
$lang = $_SESSION['language'];
$langs = array_unique(array('en_US', $lang));
$locdir = slashify(realpath(slashify($this->home) . $dir));
$texts = array();
// Language aliases used to find localization in similar lang, see below
$aliases = array(
'de_CH' => 'de_DE',
'es_AR' => 'es_ES',
'fa_AF' => 'fa_IR',
'nl_BE' => 'nl_NL',
'pt_BR' => 'pt_PT',
'zh_CN' => 'zh_TW',
);
// use buffering to handle empty lines/spaces after closing PHP tag
ob_start();
foreach ($langs as $lng) {
$fpath = $locdir . $lng . '.inc';
if (is_file($fpath) && is_readable($fpath)) {
include $fpath;
$texts = (array)$labels + (array)$messages + (array)$texts;
}
else if ($lng != 'en_US') {
// Find localization in similar language (#1488401)
$alias = null;
if (!empty($aliases[$lng])) {
$alias = $aliases[$lng];
/**
* Initialization method, needs to be implemented by the plugin itself
*/
abstract function init();
/**
* Attempt to load the given plugin which is required for the current plugin
*
* @param string Plugin name
* @return boolean True on success, false on failure
*/
public function require_plugin($plugin_name)
{
return $this->api->load_plugin($plugin_name);
}
/**
* Load local config file from plugins directory.
* The loaded values are patched over the global configuration.
*
* @param string $fname Config file name relative to the plugin's folder
*
* @return boolean True on success, false on failure
*/
public function load_config($fname = 'config.inc.php')
{
$fpath = $this->home.'/'.$fname;
$rcube = rcube::get_instance();
if (is_file($fpath) && !$rcube->config->load_from_file($fpath)) {
rcube::raise_error(array(
'code' => 527, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Failed to load config from $fpath"), true, false);
return false;
}
else if ($key = array_search($lng, $aliases)) {
$alias = $key;
return true;
}
/**
* Register a callback function for a specific (server-side) hook
*
* @param string $hook Hook name
* @param mixed $callback Callback function as string or array
* with object reference and method name
*/
public function add_hook($hook, $callback)
{
$this->api->register_hook($hook, $callback);
}
/**
* Unregister a callback function for a specific (server-side) hook.
*
* @param string $hook Hook name
* @param mixed $callback Callback function as string or array
* with object reference and method name
*/
public function remove_hook($hook, $callback)
{
$this->api->unregister_hook($hook, $callback);
}
/**
* Load localized texts from the plugins dir
*
* @param string $dir Directory to search in
* @param mixed $add2client Make texts also available on the client
* (array with list or true for all)
*/
public function add_texts($dir, $add2client = false)
{
$domain = $this->ID;
$lang = $_SESSION['language'];
$langs = array_unique(array('en_US', $lang));
$locdir = slashify(realpath(slashify($this->home) . $dir));
$texts = array();
// Language aliases used to find localization in similar lang, see below
$aliases = array(
'de_CH' => 'de_DE',
'es_AR' => 'es_ES',
'fa_AF' => 'fa_IR',
'nl_BE' => 'nl_NL',
'pt_BR' => 'pt_PT',
'zh_CN' => 'zh_TW',
);
// use buffering to handle empty lines/spaces after closing PHP tag
ob_start();
foreach ($langs as $lng) {
$fpath = $locdir . $lng . '.inc';
if (is_file($fpath) && is_readable($fpath)) {
include $fpath;
$texts = (array)$labels + (array)$messages + (array)$texts;
}
else if ($lng != 'en_US') {
// Find localization in similar language (#1488401)
$alias = null;
if (!empty($aliases[$lng])) {
$alias = $aliases[$lng];
}
else if ($key = array_search($lng, $aliases)) {
$alias = $key;
}
if (!empty($alias)) {
$fpath = $locdir . $alias . '.inc';
if (is_file($fpath) && is_readable($fpath)) {
include $fpath;
$texts = (array)$labels + (array)$messages + (array)$texts;
}
}
}
}
if (!empty($alias)) {
$fpath = $locdir . $alias . '.inc';
if (is_file($fpath) && is_readable($fpath)) {
include $fpath;
$texts = (array)$labels + (array)$messages + (array)$texts;
}
ob_end_clean();
// prepend domain to text keys and add to the application texts repository
if (!empty($texts)) {
$add = array();
foreach ($texts as $key => $value) {
$add[$domain.'.'.$key] = $value;
}
$rcube = rcube::get_instance();
$rcube->load_language($lang, $add);
// add labels to client
if ($add2client) {
if (is_array($add2client)) {
$js_labels = array_map(array($this, 'label_map_callback'), $add2client);
}
else {
$js_labels = array_keys($add);
}
$rcube->output->add_label($js_labels);
}
}
}
}
ob_end_clean();
/**
* Wrapper for rcube::gettext() adding the plugin ID as domain
*
* @param string $p Message identifier
*
* @return string Localized text
* @see rcube::gettext()
*/
public function gettext($p)
{
return rcube::get_instance()->gettext($p, $this->ID);
}
// prepend domain to text keys and add to the application texts repository
if (!empty($texts)) {
$add = array();
foreach ($texts as $key => $value)
$add[$domain.'.'.$key] = $value;
/**
* Register this plugin to be responsible for a specific task
*
* @param string $task Task name (only characters [a-z0-9_.-] are allowed)
*/
public function register_task($task)
{
if ($this->api->register_task($task, $this->ID)) {
$this->mytask = $task;
}
}
$rcube = rcube::get_instance();
$rcube->load_language($lang, $add);
/**
* Register a handler for a specific client-request action
*
* The callback will be executed upon a request like /?_task=mail&_action=plugin.myaction
*
* @param string $action Action name (should be unique)
* @param mixed $callback Callback function as string
* or array with object reference and method name
*/
public function register_action($action, $callback)
{
$this->api->register_action($action, $this->ID, $callback, $this->mytask);
}
// add labels to client
if ($add2client) {
$js_labels = is_array($add2client) ? array_map(array($this, 'label_map_callback'), $add2client) : array_keys($add);
$rcube->output->add_label($js_labels);
}
/**
* Register a handler function for a template object
*
* When parsing a template for display, tags like <roundcube:object name="plugin.myobject" />
* will be replaced by the return value if the registered callback function.
*
* @param string $name Object name (should be unique and start with 'plugin.')
* @param mixed $callback Callback function as string or array with object reference
* and method name
*/
public function register_handler($name, $callback)
{
$this->api->register_handler($name, $this->ID, $callback);
}
}
/**
* Wrapper for rcube::gettext() adding the plugin ID as domain
*
* @param string $p Message identifier
* @return string Localized text
* @see rcube::gettext()
*/
public function gettext($p)
{
return rcube::get_instance()->gettext($p, $this->ID);
}
/**
* Register this plugin to be responsible for a specific task
*
* @param string $task Task name (only characters [a-z0-9_.-] are allowed)
*/
public function register_task($task)
{
if ($this->api->register_task($task, $this->ID))
$this->mytask = $task;
}
/**
* Register a handler for a specific client-request action
*
* The callback will be executed upon a request like /?_task=mail&_action=plugin.myaction
*
* @param string $action Action name (should be unique)
* @param mixed $callback Callback function as string or array with object reference and method name
*/
public function register_action($action, $callback)
{
$this->api->register_action($action, $this->ID, $callback, $this->mytask);
}
/**
* Register a handler function for a template object
*
* When parsing a template for display, tags like <roundcube:object name="plugin.myobject" />
* will be replaced by the return value if the registered callback function.
*
* @param string $name Object name (should be unique and start with 'plugin.')
* @param mixed $callback Callback function as string or array with object reference and method name
*/
public function register_handler($name, $callback)
{
$this->api->register_handler($name, $this->ID, $callback);
}
/**
* Make this javascipt file available on the client
*
* @param string $fn File path; absolute or relative to the plugin directory
*/
public function include_script($fn)
{
$this->api->include_script($this->resource_url($fn));
}
/**
* Make this stylesheet available on the client
*
* @param string $fn File path; absolute or relative to the plugin directory
*/
public function include_stylesheet($fn)
{
$this->api->include_stylesheet($this->resource_url($fn));
}
/**
* Append a button to a certain container
*
* @param array $p Hash array with named parameters (as used in skin templates)
* @param string $container Container name where the buttons should be added to
* @see rcube_remplate::button()
*/
public function add_button($p, $container)
{
if ($this->api->output->type == 'html') {
// fix relative paths
foreach (array('imagepas', 'imageact', 'imagesel') as $key)
if ($p[$key])
$p[$key] = $this->api->url . $this->resource_url($p[$key]);
$this->api->add_content($this->api->output->button($p), $container);
/**
* Make this javascipt file available on the client
*
* @param string $fn File path; absolute or relative to the plugin directory
*/
public function include_script($fn)
{
$this->api->include_script($this->resource_url($fn));
}
}
/**
* Generate an absolute URL to the given resource within the current
* plugin directory
*
* @param string $fn The file name
* @return string Absolute URL to the given resource
*/
public function url($fn)
{
return $this->api->url . $this->resource_url($fn);
}
/**
* Make the given file name link into the plugin directory
*
* @param string $fn Filename
*/
private function resource_url($fn)
{
if ($fn[0] != '/' && !preg_match('|^https?://|i', $fn))
return $this->ID . '/' . $fn;
else
return $fn;
}
/**
* Provide path to the currently selected skin folder within the plugin directory
* with a fallback to the default skin folder.
*
* @return string Skin path relative to plugins directory
*/
public function local_skin_path()
{
$rcube = rcube::get_instance();
foreach (array($rcube->config->get('skin'), 'larry') as $skin) {
$skin_path = 'skins/' . $skin;
if (is_dir(realpath(slashify($this->home) . $skin_path)))
break;
/**
* Make this stylesheet available on the client
*
* @param string $fn File path; absolute or relative to the plugin directory
*/
public function include_stylesheet($fn)
{
$this->api->include_stylesheet($this->resource_url($fn));
}
return $skin_path;
}
/**
* Append a button to a certain container
*
* @param array $p Hash array with named parameters (as used in skin templates)
* @param string $container Container name where the buttons should be added to
*
* @see rcube_remplate::button()
*/
public function add_button($p, $container)
{
if ($this->api->output->type == 'html') {
// fix relative paths
foreach (array('imagepas', 'imageact', 'imagesel') as $key) {
if ($p[$key]) {
$p[$key] = $this->api->url . $this->resource_url($p[$key]);
}
}
$this->api->add_content($this->api->output->button($p), $container);
}
}
/**
* Callback function for array_map
*
* @param string $key Array key.
* @return string
*/
private function label_map_callback($key)
{
return $this->ID.'.'.$key;
}
/**
* Generate an absolute URL to the given resource within the current
* plugin directory
*
* @param string $fn The file name
*
* @return string Absolute URL to the given resource
*/
public function url($fn)
{
return $this->api->url . $this->resource_url($fn);
}
/**
* Make the given file name link into the plugin directory
*
* @param string $fn Filename
*/
private function resource_url($fn)
{
if ($fn[0] != '/' && !preg_match('|^https?://|i', $fn)) {
return $this->ID . '/' . $fn;
}
else {
return $fn;
}
}
/**
* Provide path to the currently selected skin folder within the plugin directory
* with a fallback to the default skin folder.
*
* @return string Skin path relative to plugins directory
*/
public function local_skin_path()
{
$rcube = rcube::get_instance();
foreach (array($rcube->config->get('skin'), 'larry') as $skin) {
$skin_path = 'skins/' . $skin;
if (is_dir(realpath(slashify($this->home) . $skin_path))) {
break;
}
}
return $skin_path;
}
/**
* Callback function for array_map
*
* @param string $key Array key.
* @return string
*/
private function label_map_callback($key)
{
return $this->ID.'.'.$key;
}
}

@ -3,7 +3,7 @@
/*
+-----------------------------------------------------------------------+
| This file is part of the Roundcube Webmail client |
| Copyright (C) 2008-2011, The Roundcube Dev Team |
| 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. |
@ -17,9 +17,9 @@
*/
// location where plugins are loade from
if (!defined('RCUBE_PLUGINS_DIR'))
define('RCUBE_PLUGINS_DIR', RCUBE_INSTALL_PATH . 'plugins/');
if (!defined('RCUBE_PLUGINS_DIR')) {
define('RCUBE_PLUGINS_DIR', RCUBE_INSTALL_PATH . 'plugins/');
}
/**
* The plugin loader and global API
@ -29,469 +29,476 @@ if (!defined('RCUBE_PLUGINS_DIR'))
*/
class rcube_plugin_api
{
static protected $instance;
public $dir;
public $url = 'plugins/';
public $task = '';
public $output;
public $handlers = array();
protected $plugins = array();
protected $tasks = array();
protected $actions = array();
protected $actionmap = array();
protected $objectsmap = array();
protected $template_contents = array();
protected $active_hook = false;
// Deprecated names of hooks, will be removed after 0.5-stable release
protected $deprecated_hooks = array(
'create_user' => 'user_create',
'kill_session' => 'session_destroy',
'upload_attachment' => 'attachment_upload',
'save_attachment' => 'attachment_save',
'get_attachment' => 'attachment_get',
'cleanup_attachments' => 'attachments_cleanup',
'display_attachment' => 'attachment_display',
'remove_attachment' => 'attachment_delete',
'outgoing_message_headers' => 'message_outgoing_headers',
'outgoing_message_body' => 'message_outgoing_body',
'address_sources' => 'addressbooks_list',
'get_address_book' => 'addressbook_get',
'create_contact' => 'contact_create',
'save_contact' => 'contact_update',
'contact_save' => 'contact_update',
'delete_contact' => 'contact_delete',
'manage_folders' => 'folders_list',
'list_mailboxes' => 'mailboxes_list',
'save_preferences' => 'preferences_save',
'user_preferences' => 'preferences_list',
'list_prefs_sections' => 'preferences_sections_list',
'list_identities' => 'identities_list',
'create_identity' => 'identity_create',
'delete_identity' => 'identity_delete',
'save_identity' => 'identity_update',
'identity_save' => 'identity_update',
// to be removed after 0.8
'imap_init' => 'storage_init',
'mailboxes_list' => 'storage_folders',
'imap_connect' => 'storage_connect',
);
/**
* This implements the 'singleton' design pattern
*
* @return rcube_plugin_api The one and only instance if this class
*/
static function get_instance()
{
if (!self::$instance) {
self::$instance = new rcube_plugin_api();
}
static protected $instance;
public $dir;
public $url = 'plugins/';
public $task = '';
public $output;
public $handlers = array();
protected $plugins = array();
protected $tasks = array();
protected $actions = array();
protected $actionmap = array();
protected $objectsmap = array();
protected $template_contents = array();
protected $active_hook = false;
// Deprecated names of hooks, will be removed after 0.5-stable release
protected $deprecated_hooks = array(
'create_user' => 'user_create',
'kill_session' => 'session_destroy',
'upload_attachment' => 'attachment_upload',
'save_attachment' => 'attachment_save',
'get_attachment' => 'attachment_get',
'cleanup_attachments' => 'attachments_cleanup',
'display_attachment' => 'attachment_display',
'remove_attachment' => 'attachment_delete',
'outgoing_message_headers' => 'message_outgoing_headers',
'outgoing_message_body' => 'message_outgoing_body',
'address_sources' => 'addressbooks_list',
'get_address_book' => 'addressbook_get',
'create_contact' => 'contact_create',
'save_contact' => 'contact_update',
'contact_save' => 'contact_update',
'delete_contact' => 'contact_delete',
'manage_folders' => 'folders_list',
'list_mailboxes' => 'mailboxes_list',
'save_preferences' => 'preferences_save',
'user_preferences' => 'preferences_list',
'list_prefs_sections' => 'preferences_sections_list',
'list_identities' => 'identities_list',
'create_identity' => 'identity_create',
'delete_identity' => 'identity_delete',
'save_identity' => 'identity_update',
'identity_save' => 'identity_update',
// to be removed after 0.8
'imap_init' => 'storage_init',
'mailboxes_list' => 'storage_folders',
'imap_connect' => 'storage_connect',
);
/**
* This implements the 'singleton' design pattern
*
* @return rcube_plugin_api The one and only instance if this class
*/
static function get_instance()
{
if (!self::$instance) {
self::$instance = new rcube_plugin_api();
}
return self::$instance;
}
/**
* Private constructor
*/
protected function __construct()
{
$this->dir = slashify(RCUBE_PLUGINS_DIR);
}
/**
* Initialize plugin engine
*
* This has to be done after rcmail::load_gui() or rcmail::json_init()
* was called because plugins need to have access to rcmail->output
*
* @param object rcube Instance of the rcube base class
* @param string Current application task (used for conditional plugin loading)
*/
public function init($app, $task = '')
{
$this->task = $task;
$this->output = $app->output;
// register an internal hook
$this->register_hook('template_container', array($this, 'template_container_hook'));
// maybe also register a shudown function which triggers shutdown functions of all plugin objects
}
/**
* Load and init all enabled plugins
*
* This has to be done after rcmail::load_gui() or rcmail::json_init()
* was called because plugins need to have access to rcmail->output
*
* @param array List of configured plugins to load
* @param array List of plugins required by the application
*/
public function load_plugins($plugins_enabled, $required_plugins = array())
{
foreach ($plugins_enabled as $plugin_name) {
$this->load_plugin($plugin_name);
return self::$instance;
}
// check existance of all required core plugins
foreach ($required_plugins as $plugin_name) {
$loaded = false;
foreach ($this->plugins as $plugin) {
if ($plugin instanceof $plugin_name) {
$loaded = true;
break;
}
}
// load required core plugin if no derivate was found
if (!$loaded)
$loaded = $this->load_plugin($plugin_name);
// trigger fatal error if still not loaded
if (!$loaded) {
rcube::raise_error(array('code' => 520, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Requried plugin $plugin_name was not loaded"), true, true);
}
/**
* Private constructor
*/
protected function __construct()
{
$this->dir = slashify(RCUBE_PLUGINS_DIR);
}
}
/**
* Load the specified plugin
*
* @param string Plugin name
* @return boolean True on success, false if not loaded or failure
*/
public function load_plugin($plugin_name)
{
static $plugins_dir;
if (!$plugins_dir) {
$dir = dir($this->dir);
$plugins_dir = unslashify($dir->path);
/**
* Initialize plugin engine
*
* This has to be done after rcmail::load_gui() or rcmail::json_init()
* was called because plugins need to have access to rcmail->output
*
* @param object rcube Instance of the rcube base class
* @param string Current application task (used for conditional plugin loading)
*/
public function init($app, $task = '')
{
$this->task = $task;
$this->output = $app->output;
// register an internal hook
$this->register_hook('template_container', array($this, 'template_container_hook'));
// maybe also register a shudown function which triggers
// shutdown functions of all plugin objects
}
// plugin already loaded
if ($this->plugins[$plugin_name] || class_exists($plugin_name, false))
return true;
$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...
if (is_subclass_of($plugin, 'rcube_plugin')) {
// ... task, request type and framed mode
if ((!$plugin->task || preg_match('/^('.$plugin->task.')$/i', $this->task))
&& (!$plugin->noajax || (is_object($this->output) && $this->output->type == 'html'))
&& (!$plugin->noframe || empty($_REQUEST['_framed']))
) {
$plugin->init();
$this->plugins[$plugin_name] = $plugin;
}
return true;
/**
* Load and init all enabled plugins
*
* This has to be done after rcmail::load_gui() or rcmail::json_init()
* was called because plugins need to have access to rcmail->output
*
* @param array List of configured plugins to load
* @param array List of plugins required by the application
*/
public function load_plugins($plugins_enabled, $required_plugins = array())
{
foreach ($plugins_enabled as $plugin_name) {
$this->load_plugin($plugin_name);
}
// check existance of all required core plugins
foreach ($required_plugins as $plugin_name) {
$loaded = false;
foreach ($this->plugins as $plugin) {
if ($plugin instanceof $plugin_name) {
$loaded = true;
break;
}
}
// load required core plugin if no derivate was found
if (!$loaded) {
$loaded = $this->load_plugin($plugin_name);
}
// trigger fatal error if still not loaded
if (!$loaded) {
rcube::raise_error(array(
'code' => 520, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Requried plugin $plugin_name was not loaded"), true, true);
}
}
}
else {
rcube::raise_error(array('code' => 520, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "No plugin class $plugin_name found in $fn"), true, false);
}
}
else {
rcube::raise_error(array('code' => 520, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Failed to load plugin file $fn"), true, false);
/**
* Load the specified plugin
*
* @param string Plugin name
*
* @return boolean True on success, false if not loaded or failure
*/
public function load_plugin($plugin_name)
{
static $plugins_dir;
if (!$plugins_dir) {
$dir = dir($this->dir);
$plugins_dir = unslashify($dir->path);
}
// plugin already loaded
if ($this->plugins[$plugin_name] || class_exists($plugin_name, false)) {
return true;
}
$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...
if (is_subclass_of($plugin, 'rcube_plugin')) {
// ... task, request type and framed mode
if ((!$plugin->task || preg_match('/^('.$plugin->task.')$/i', $this->task))
&& (!$plugin->noajax || (is_object($this->output) && $this->output->type == 'html'))
&& (!$plugin->noframe || empty($_REQUEST['_framed']))
) {
$plugin->init();
$this->plugins[$plugin_name] = $plugin;
}
return true;
}
}
else {
rcube::raise_error(array('code' => 520, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "No plugin class $plugin_name found in $fn"),
true, false);
}
}
else {
rcube::raise_error(array('code' => 520, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Failed to load plugin file $fn"), true, false);
}
return false;
}
return false;
}
/**
* Allows a plugin object to register a callback for a certain hook
*
* @param string $hook Hook name
* @param mixed $callback String with global function name or array($obj, 'methodname')
*/
public function register_hook($hook, $callback)
{
if (is_callable($callback)) {
if (isset($this->deprecated_hooks[$hook])) {
rcube::raise_error(array('code' => 522, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Deprecated hook name. ".$hook.' -> '.$this->deprecated_hooks[$hook]), true, false);
$hook = $this->deprecated_hooks[$hook];
}
$this->handlers[$hook][] = $callback;
/**
* Allows a plugin object to register a callback for a certain hook
*
* @param string $hook Hook name
* @param mixed $callback String with global function name or array($obj, 'methodname')
*/
public function register_hook($hook, $callback)
{
if (is_callable($callback)) {
if (isset($this->deprecated_hooks[$hook])) {
rcube::raise_error(array('code' => 522, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Deprecated hook name. "
. $hook . ' -> ' . $this->deprecated_hooks[$hook]), true, false);
$hook = $this->deprecated_hooks[$hook];
}
$this->handlers[$hook][] = $callback;
}
else {
rcube::raise_error(array('code' => 521, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Invalid callback function for $hook"), true, false);
}
}
else
rcube::raise_error(array('code' => 521, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Invalid callback function for $hook"), true, false);
}
/**
* Allow a plugin object to unregister a callback.
*
* @param string $hook Hook name
* @param mixed $callback String with global function name or array($obj, 'methodname')
*/
public function unregister_hook($hook, $callback)
{
$callback_id = array_search($callback, $this->handlers[$hook]);
if ($callback_id !== false) {
unset($this->handlers[$hook][$callback_id]);
/**
* Allow a plugin object to unregister a callback.
*
* @param string $hook Hook name
* @param mixed $callback String with global function name or array($obj, 'methodname')
*/
public function unregister_hook($hook, $callback)
{
$callback_id = array_search($callback, $this->handlers[$hook]);
if ($callback_id !== false) {
unset($this->handlers[$hook][$callback_id]);
}
}
}
/**
* Triggers a plugin hook.
* This is called from the application and executes all registered handlers
*
* @param string $hook Hook name
* @param array $args Named arguments (key->value pairs)
* @return array The (probably) altered hook arguments
*/
public function exec_hook($hook, $args = array())
{
if (!is_array($args))
$args = array('arg' => $args);
$args += array('abort' => false);
$this->active_hook = $hook;
foreach ((array)$this->handlers[$hook] as $callback) {
$ret = call_user_func($callback, $args);
if ($ret && is_array($ret))
$args = $ret + $args;
if ($args['abort'])
break;
/**
* Triggers a plugin hook.
* This is called from the application and executes all registered handlers
*
* @param string $hook Hook name
* @param array $args Named arguments (key->value pairs)
*
* @return array The (probably) altered hook arguments
*/
public function exec_hook($hook, $args = array())
{
if (!is_array($args)) {
$args = array('arg' => $args);
}
$args += array('abort' => false);
$this->active_hook = $hook;
foreach ((array)$this->handlers[$hook] as $callback) {
$ret = call_user_func($callback, $args);
if ($ret && is_array($ret)) {
$args = $ret + $args;
}
if ($args['abort']) {
break;
}
}
$this->active_hook = false;
return $args;
}
$this->active_hook = false;
return $args;
}
/**
* Let a plugin register a handler for a specific request
*
* @param string $action Action name (_task=mail&_action=plugin.foo)
* @param string $owner Plugin name that registers this action
* @param mixed $callback Callback: string with global function name or array($obj, 'methodname')
* @param string $task Task name registered by this plugin
*/
public function register_action($action, $owner, $callback, $task = null)
{
// check action name
if ($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
if (!isset($this->actionmap[$action]) || $this->actionmap[$action] == $owner) {
$this->actions[$action] = $callback;
$this->actionmap[$action] = $owner;
/**
* Let a plugin register a handler for a specific request
*
* @param string $action Action name (_task=mail&_action=plugin.foo)
* @param string $owner Plugin name that registers this action
* @param mixed $callback Callback: string with global function name or array($obj, 'methodname')
* @param string $task Task name registered by this plugin
*/
public function register_action($action, $owner, $callback, $task = null)
{
// check action name
if ($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
if (!isset($this->actionmap[$action]) || $this->actionmap[$action] == $owner) {
$this->actions[$action] = $callback;
$this->actionmap[$action] = $owner;
}
else {
rcube::raise_error(array('code' => 523, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Cannot register action $action;"
." already taken by another plugin"), true, false);
}
}
else {
rcube::raise_error(array('code' => 523, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Cannot register action $action; already taken by another plugin"), true, false);
/**
* This method handles requests like _task=mail&_action=plugin.foo
* It executes the callback function that was registered with the given action.
*
* @param string $action Action name
*/
public function exec_action($action)
{
if (isset($this->actions[$action])) {
call_user_func($this->actions[$action]);
}
else if (rcube::get_instance()->action != 'refresh') {
rcube::raise_error(array('code' => 524, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "No handler found for action $action"), true, true);
}
}
}
/**
* This method handles requests like _task=mail&_action=plugin.foo
* It executes the callback function that was registered with the given action.
*
* @param string $action Action name
*/
public function exec_action($action)
{
if (isset($this->actions[$action])) {
call_user_func($this->actions[$action]);
/**
* Register a handler function for template objects
*
* @param string $name Object name
* @param string $owner Plugin name that registers this action
* @param mixed $callback Callback: string with global function name or array($obj, 'methodname')
*/
public function register_handler($name, $owner, $callback)
{
// check name
if (strpos($name, 'plugin.') !== 0) {
$name = 'plugin.' . $name;
}
// can register handler only if it's not taken or registered by myself
if (is_object($this->output)
&& (!isset($this->objectsmap[$name]) || $this->objectsmap[$name] == $owner)
) {
$this->output->add_handler($name, $callback);
$this->objectsmap[$name] = $owner;
}
else {
rcube::raise_error(array('code' => 525, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Cannot register template handler $name;"
." already taken by another plugin or no output object available"), true, false);
}
}
else if (rcube::get_instance()->action != 'refresh') {
rcube::raise_error(array('code' => 524, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "No handler found for action $action"), true, true);
/**
* Register this plugin to be responsible for a specific task
*
* @param string $task Task name (only characters [a-z0-9_.-] are allowed)
* @param string $owner Plugin name that registers this action
*/
public function register_task($task, $owner)
{
// tasks are irrelevant in framework mode
if (!class_exists('rcmail', false)) {
return true;
}
if ($task != asciiwords($task)) {
rcube::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)) {
rcube::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;
}
}
/**
* Register a handler function for template objects
*
* @param string $name Object name
* @param string $owner Plugin name that registers this action
* @param mixed $callback Callback: string with global function name or array($obj, 'methodname')
*/
public function register_handler($name, $owner, $callback)
{
// check name
if (strpos($name, 'plugin.') !== 0)
$name = 'plugin.'.$name;
// can register handler only if it's not taken or registered by myself
if (is_object($this->output) && (!isset($this->objectsmap[$name]) || $this->objectsmap[$name] == $owner)) {
$this->output->add_handler($name, $callback);
$this->objectsmap[$name] = $owner;
/**
* Checks whether the given task is registered by a plugin
*
* @param string $task Task name
*
* @return boolean True if registered, otherwise false
*/
public function is_plugin_task($task)
{
return $this->tasks[$task] ? true : false;
}
else {
rcube::raise_error(array('code' => 525, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Cannot register template handler $name; already taken by another plugin or no output object available"), true, false);
/**
* Check if a plugin hook is currently processing.
* Mainly used to prevent loops and recursion.
*
* @param string $hook Hook to check (optional)
*
* @return boolean True if any/the given hook is currently processed, otherwise false
*/
public function is_processing($hook = null)
{
return $this->active_hook && (!$hook || $this->active_hook == $hook);
}
}
/**
* Register this plugin to be responsible for a specific task
*
* @param string $task Task name (only characters [a-z0-9_.-] are allowed)
* @param string $owner Plugin name that registers this action
*/
public function register_task($task, $owner)
{
// tasks are irrelevant in framework mode
if (!class_exists('rcmail', false))
return true;
if ($task != asciiwords($task)) {
rcube::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);
/**
* Include a plugin script file in the current HTML page
*
* @param string $fn Path to script
*/
public function include_script($fn)
{
if (is_object($this->output) && $this->output->type == 'html') {
$src = $this->resource_url($fn);
$this->output->add_header(html::tag('script',
array('type' => "text/javascript", 'src' => $src)));
}
}
else if (in_array($task, rcmail::$main_tasks)) {
rcube::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);
/**
* Include a plugin stylesheet in the current HTML page
*
* @param string $fn Path to stylesheet
*/
public function include_stylesheet($fn)
{
if (is_object($this->output) && $this->output->type == 'html') {
$src = $this->resource_url($fn);
$this->output->include_css($src);
}
}
else {
$this->tasks[$task] = $owner;
rcmail::$main_tasks[] = $task;
return true;
/**
* Save the given HTML content to be added to a template container
*
* @param string $html HTML content
* @param string $container Template container identifier
*/
public function add_content($html, $container)
{
$this->template_contents[$container] .= $html . "\n";
}
return false;
}
/**
* Checks whether the given task is registered by a plugin
*
* @param string $task Task name
* @return boolean True if registered, otherwise false
*/
public function is_plugin_task($task)
{
return $this->tasks[$task] ? true : false;
}
/**
* Check if a plugin hook is currently processing.
* Mainly used to prevent loops and recursion.
*
* @param string $hook Hook to check (optional)
* @return boolean True if any/the given hook is currently processed, otherwise false
*/
public function is_processing($hook = null)
{
return $this->active_hook && (!$hook || $this->active_hook == $hook);
}
/**
* Include a plugin script file in the current HTML page
*
* @param string $fn Path to script
*/
public function include_script($fn)
{
if (is_object($this->output) && $this->output->type == 'html') {
$src = $this->resource_url($fn);
$this->output->add_header(html::tag('script', array('type' => "text/javascript", 'src' => $src)));
/**
* Returns list of loaded plugins names
*
* @return array List of plugin names
*/
public function loaded_plugins()
{
return array_keys($this->plugins);
}
}
/**
* Include a plugin stylesheet in the current HTML page
*
* @param string $fn Path to stylesheet
*/
public function include_stylesheet($fn)
{
if (is_object($this->output) && $this->output->type == 'html') {
$src = $this->resource_url($fn);
$this->output->include_css($src);
/**
* Callback for template_container hooks
*
* @param array $attrib
* @return array
*/
protected function template_container_hook($attrib)
{
$container = $attrib['name'];
return array('content' => $attrib['content'] . $this->template_contents[$container]);
}
}
/**
* Save the given HTML content to be added to a template container
*
* @param string $html HTML content
* @param string $container Template container identifier
*/
public function add_content($html, $container)
{
$this->template_contents[$container] .= $html . "\n";
}
/**
* Returns list of loaded plugins names
*
* @return array List of plugin names
*/
public function loaded_plugins()
{
return array_keys($this->plugins);
}
/**
* Callback for template_container hooks
*
* @param array $attrib
* @return array
*/
protected function template_container_hook($attrib)
{
$container = $attrib['name'];
return array('content' => $attrib['content'] . $this->template_contents[$container]);
}
/**
* Make the given file name link into the plugins directory
*
* @param string $fn Filename
* @return string
*/
protected function resource_url($fn)
{
if ($fn[0] != '/' && !preg_match('|^https?://|i', $fn))
return $this->url . $fn;
else
return $fn;
}
/**
* Make the given file name link into the plugins directory
*
* @param string $fn Filename
* @return string
*/
protected function resource_url($fn)
{
if ($fn[0] != '/' && !preg_match('|^https?://|i', $fn))
return $this->url . $fn;
else
return $fn;
}
}

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