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-rw-r--r--engine/lib/plugins.php297
1 files changed, 189 insertions, 108 deletions
diff --git a/engine/lib/plugins.php b/engine/lib/plugins.php
index e0a6f134d..d5d3db466 100644
--- a/engine/lib/plugins.php
+++ b/engine/lib/plugins.php
@@ -54,13 +54,15 @@ define('ELGG_PLUGIN_INTERNAL_PREFIX', 'elgg:internal:');
* @param string $dir A dir to scan for plugins. Defaults to config's plugins_path.
*
* @return array
+ * @since 1.8.0
+ * @access private
*/
function elgg_get_plugin_ids_in_dir($dir = null) {
if (!$dir) {
$dir = elgg_get_plugins_path();
}
- $plugin_idss = array();
+ $plugin_ids = array();
$handle = opendir($dir);
if ($handle) {
@@ -85,14 +87,21 @@ function elgg_get_plugin_ids_in_dir($dir = null) {
*
* @todo Crappy name?
* @return bool
+ * @since 1.8.0
+ * @access private
*/
function elgg_generate_plugin_entities() {
+ // @todo $site unused, can remove?
$site = get_config('site');
+
$dir = elgg_get_plugins_path();
+ $db_prefix = elgg_get_config('dbprefix');
$options = array(
'type' => 'object',
'subtype' => 'plugin',
+ 'selects' => array('plugin_oe.*'),
+ 'joins' => array("JOIN {$db_prefix}objects_entity plugin_oe on plugin_oe.guid = e.guid"),
'limit' => ELGG_ENTITIES_NO_VALUE
);
@@ -100,6 +109,7 @@ function elgg_generate_plugin_entities() {
$old_access = access_get_show_hidden_status();
access_show_hidden_entities(true);
$known_plugins = elgg_get_entities_from_relationship($options);
+ /* @var ElggPlugin[] $known_plugins */
if (!$known_plugins) {
$known_plugins = array();
@@ -124,8 +134,6 @@ function elgg_generate_plugin_entities() {
return false;
}
- $new_plugin_priority = elgg_get_max_plugin_priority() + 1;
-
// check real plugins against known ones
foreach ($physical_plugins as $plugin_id) {
// is this already in the db?
@@ -133,23 +141,19 @@ function elgg_generate_plugin_entities() {
$index = $id_map[$plugin_id];
$plugin = $known_plugins[$index];
// was this plugin deleted and its entity disabled?
- if ($plugin->enabled != 'yes') {
+ if (!$plugin->isEnabled()) {
$plugin->enable();
$plugin->deactivate();
- $plugin->setPriority($new_plugin_priority);
-
- $new_plugin_priority++;
+ $plugin->setPriority('last');
}
// remove from the list of plugins to disable
unset($known_plugins[$index]);
} else {
// add new plugins
+ // priority is force to last in save() if not set.
$plugin = new ElggPlugin($plugin_id);
$plugin->save();
- $plugin->setPriority($new_plugin_priority);
-
- $new_plugin_priority++;
}
}
@@ -175,12 +179,31 @@ function elgg_generate_plugin_entities() {
}
/**
+ * Cache a reference to this plugin by its ID
+ *
+ * @param ElggPlugin $plugin
+ *
+ * @access private
+ */
+function _elgg_cache_plugin_by_id(ElggPlugin $plugin) {
+ $map = (array) elgg_get_config('plugins_by_id_map');
+ $map[$plugin->getID()] = $plugin;
+ elgg_set_config('plugins_by_id_map', $map);
+}
+
+/**
* Returns an ElggPlugin object with the path $path.
*
* @param string $plugin_id The id (dir name) of the plugin. NOT the guid.
- * @return mixed ElggPlugin or false.
+ * @return ElggPlugin|false
+ * @since 1.8.0
*/
function elgg_get_plugin_from_id($plugin_id) {
+ $map = (array) elgg_get_config('plugins_by_id_map');
+ if (isset($map[$plugin_id])) {
+ return $map[$plugin_id];
+ }
+
$plugin_id = sanitize_string($plugin_id);
$db_prefix = get_config('dbprefix');
@@ -188,6 +211,7 @@ function elgg_get_plugin_from_id($plugin_id) {
'type' => 'object',
'subtype' => 'plugin',
'joins' => array("JOIN {$db_prefix}objects_entity oe on oe.guid = e.guid"),
+ 'selects' => array("oe.title", "oe.description"),
'wheres' => array("oe.title = '$plugin_id'"),
'limit' => 1
);
@@ -209,6 +233,7 @@ function elgg_get_plugin_from_id($plugin_id) {
* {@link elgg_generate_plugin_objects()} first.
*
* @param string $id The plugin ID.
+ * @since 1.8.0
* @return bool
*/
function elgg_plugin_exists($id) {
@@ -221,6 +246,8 @@ function elgg_plugin_exists($id) {
* Returns the highest priority of the plugins
*
* @return int
+ * @since 1.8.0
+ * @access private
*/
function elgg_get_max_plugin_priority() {
$db_prefix = get_config('dbprefix');
@@ -235,11 +262,13 @@ function elgg_get_max_plugin_priority() {
$data = get_data($q);
if ($data) {
- return $data[0]->max;
+ $max = $data[0]->max;
+ } else {
+ $max = 1;
}
// can't have a priority of 0.
- return 1;
+ return ($max) ? $max : 1;
}
/**
@@ -247,6 +276,7 @@ function elgg_get_max_plugin_priority() {
*
* @param string $plugin_id The plugin ID
* @param int $site_guid The site guid
+ * @since 1.8.0
* @return bool
*/
function elgg_is_active_plugin($plugin_id, $site_guid = null) {
@@ -272,20 +302,20 @@ function elgg_is_active_plugin($plugin_id, $site_guid = null) {
/**
* Loads all active plugins in the order specified in the tool admin panel.
*
- * @note This is called on every page load and includes additional checking that plugins
- * are fit to be loaded. If a plugin is active and problematic, it will be disabled
- * and a visible error emitted.
+ * @note This is called on every page load. If a plugin is active and problematic, it
+ * will be disabled and a visible error emitted. This does not check the deps system because
+ * that was too slow.
*
* @return bool
+ * @since 1.8.0
+ * @access private
*/
function elgg_load_plugins() {
- global $CONFIG;
-
$plugins_path = elgg_get_plugins_path();
- $start_flags = ELGG_PLUGIN_INCLUDE_START
- | ELGG_PLUGIN_REGISTER_VIEWS
- | ELGG_PLUGIN_REGISTER_LANGUAGES
- | ELGG_PLUGIN_REGISTER_CLASSES;
+ $start_flags = ELGG_PLUGIN_INCLUDE_START |
+ ELGG_PLUGIN_REGISTER_VIEWS |
+ ELGG_PLUGIN_REGISTER_LANGUAGES |
+ ELGG_PLUGIN_REGISTER_CLASSES;
if (!$plugins_path) {
return false;
@@ -293,44 +323,31 @@ function elgg_load_plugins() {
// temporary disable all plugins if there is a file called 'disabled' in the plugin dir
if (file_exists("$plugins_path/disabled")) {
+ if (elgg_is_admin_logged_in() && elgg_in_context('admin')) {
+ system_message(elgg_echo('plugins:disabled'));
+ }
return false;
}
- // Load view caches if available
- $cached_view_paths = elgg_filepath_cache_load('views');
- $cached_view_types = elgg_filepath_cache_load('view_types');
- $cached_view_info = is_string($cached_view_paths) && is_string($cached_view_types);
-
- if ($cached_view_info) {
- $CONFIG->views = unserialize($cached_view_paths);
- $CONFIG->view_types = unserialize($cached_view_types);
-
- // don't need to register views
+ if (elgg_get_config('system_cache_loaded')) {
$start_flags = $start_flags & ~ELGG_PLUGIN_REGISTER_VIEWS;
}
+ if (elgg_get_config('i18n_loaded_from_cache')) {
+ $start_flags = $start_flags & ~ELGG_PLUGIN_REGISTER_LANGUAGES;
+ }
+
$return = true;
$plugins = elgg_get_plugins('active');
if ($plugins) {
foreach ($plugins as $plugin) {
- // check if plugin can be started and try to start it.
- // if anything is bad, disable it and emit a message.
- if (!$plugin->isValid()) {
- $plugin->deactivate();
- $msg = elgg_echo('PluginException:MisconfiguredPlugin', array($plugin->getID(), $plugin->guid));
- register_error($msg);
- $return = false;
-
- continue;
- }
-
try {
$plugin->start($start_flags);
} catch (Exception $e) {
$plugin->deactivate();
$msg = elgg_echo('PluginException:CannotStart',
array($plugin->getID(), $plugin->guid, $e->getMessage()));
- register_error($msg);
+ elgg_add_admin_notice('cannot_start' . $plugin->getID(), $msg);
$return = false;
continue;
@@ -338,12 +355,6 @@ function elgg_load_plugins() {
}
}
- // Cache results
- if (!$cached_view_info) {
- elgg_filepath_cache_save('views', serialize($CONFIG->views));
- elgg_filepath_cache_save('view_types', serialize($CONFIG->view_types));
- }
-
return $return;
}
@@ -351,11 +362,12 @@ function elgg_load_plugins() {
* Returns an ordered list of plugins
*
* @param string $status The status of the plugins. active, inactive, or all.
- * @param bool $include_bad Include physically deleted and invalid plugins?
* @param mixed $site_guid Optional site guid
- * @return array
+ * @return ElggPlugin[]
+ * @since 1.8.0
+ * @access private
*/
-function elgg_get_plugins($status = 'active', $include_bad = false, $site_guid = NULL) {
+function elgg_get_plugins($status = 'active', $site_guid = null) {
$db_prefix = get_config('dbprefix');
$priority = elgg_namespace_plugin_private_setting('internal', 'priority');
@@ -369,7 +381,11 @@ function elgg_get_plugins($status = 'active', $include_bad = false, $site_guid =
'type' => 'object',
'subtype' => 'plugin',
'limit' => ELGG_ENTITIES_NO_VALUE,
- 'joins' => array("JOIN {$db_prefix}private_settings ps on ps.entity_guid = e.guid"),
+ 'selects' => array('plugin_oe.*'),
+ 'joins' => array(
+ "JOIN {$db_prefix}private_settings ps on ps.entity_guid = e.guid",
+ "JOIN {$db_prefix}objects_entity plugin_oe on plugin_oe.guid = e.guid"
+ ),
'wheres' => array("ps.name = '$priority'"),
'order_by' => "CAST(ps.value as unsigned), e.guid"
);
@@ -394,22 +410,9 @@ function elgg_get_plugins($status = 'active', $include_bad = false, $site_guid =
break;
}
- if ($include_bad) {
- $old_id = elgg_set_ignore_access(true);
- }
-
+ $old_ia = elgg_set_ignore_access(true);
$plugins = elgg_get_entities_from_relationship($options);
-
- if ($include_bad) {
- elgg_set_ignore_access($old_ia);
- } else {
- // remove bad plugins
- foreach ($plugins as $i => $plugin) {
- if (!$plugin->isValid()) {
- unset ($plugins[$i]);
- }
- }
- }
+ elgg_set_ignore_access($old_ia);
return $plugins;
}
@@ -424,11 +427,13 @@ function elgg_get_plugins($status = 'active', $include_bad = false, $site_guid =
*
* @param array $order An array of plugin ids in the order to set them
* @return bool
+ * @since 1.8.0
+ * @access private
*/
function elgg_set_plugin_priorities(array $order) {
$name = elgg_namespace_plugin_private_setting('internal', 'priority');
- $plugins = elgg_get_plugins('any', true);
+ $plugins = elgg_get_plugins('any');
if (!$plugins) {
return false;
}
@@ -439,6 +444,7 @@ function elgg_set_plugin_priorities(array $order) {
// though we do start with 1
$order = array_values($order);
+ $missing_plugins = array();
foreach ($plugins as $plugin) {
$plugin_id = $plugin->getID();
@@ -455,9 +461,9 @@ function elgg_set_plugin_priorities(array $order) {
}
}
- // set the missing plugins priorities
+ // set the missing plugins' priorities
if ($return && $missing_plugins) {
- if (!$priority) {
+ if (!isset($priority)) {
$priority = 0;
}
foreach ($missing_plugins as $plugin) {
@@ -477,6 +483,8 @@ function elgg_set_plugin_priorities(array $order) {
*
* @todo Can this be done in a single sql command?
* @return bool
+ * @since 1.8.0
+ * @access private
*/
function elgg_reindex_plugin_priorities() {
return elgg_set_plugin_priorities(array());
@@ -489,12 +497,15 @@ function elgg_reindex_plugin_priorities() {
* @param string $name The name to namespace.
* @param string $id The plugin's ID to namespace with. Required for user_setting.
* @return string
+ * @since 1.8.0
+ * @access private
*/
function elgg_namespace_plugin_private_setting($type, $name, $id = null) {
switch ($type) {
-// case 'setting':
-// $name = ELGG_PLUGIN_SETTING_PREFIX . $name;
-// break;
+ // commented out because it breaks $plugin->$name access to variables
+ //case 'setting':
+ // $name = ELGG_PLUGIN_SETTING_PREFIX . $name;
+ // break;
case 'user_setting':
if (!$id) {
@@ -521,9 +532,11 @@ function elgg_namespace_plugin_private_setting($type, $name, $id = null) {
* context from the main script filename called by
* the browser. Default = false.
*
- * @since 1.8
- *
* @return string|false Plugin name, or false if no plugin name was called
+ * @since 1.8.0
+ * @access private
+ *
+ * @todo get rid of this
*/
function elgg_get_calling_plugin_id($mainfilename = false) {
if (!$mainfilename) {
@@ -538,8 +551,9 @@ function elgg_get_calling_plugin_id($mainfilename = false) {
}
}
} else {
- if (preg_match("/pg\/([a-zA-Z0-9\-\_]*)\//", $_SERVER['REQUEST_URI'], $matches)) {
- return $matches[1];
+ //@todo this is a hack -- plugins do not have to match their page handler names!
+ if ($handler = get_input('handler', FALSE)) {
+ return $handler;
} else {
$file = $_SERVER["SCRIPT_NAME"];
$file = str_replace("\\", "/", $file);
@@ -568,7 +582,8 @@ function elgg_get_calling_plugin_id($mainfilename = false) {
* @param string $name A specific provided name to return. Requires $provide_type.
*
* @return array
- * @since 1.8
+ * @since 1.8.0
+ * @access private
*/
function elgg_get_plugins_provides($type = null, $name = null) {
static $provides = null;
@@ -578,11 +593,16 @@ function elgg_get_plugins_provides($type = null, $name = null) {
$provides = array();
foreach ($active_plugins as $plugin) {
- if ($plugin_provides = $plugin->manifest->getProvides()) {
+ $plugin_provides = array();
+ $manifest = $plugin->getManifest();
+ if ($manifest instanceof ElggPluginManifest) {
+ $plugin_provides = $plugin->getManifest()->getProvides();
+ }
+ if ($plugin_provides) {
foreach ($plugin_provides as $provided) {
$provides[$provided['type']][$provided['name']] = array(
'version' => $provided['version'],
- 'provided_by' => $plugin_id
+ 'provided_by' => $plugin->getID()
);
}
}
@@ -619,22 +639,22 @@ function elgg_get_plugins_provides($type = null, $name = null) {
* 'status' => bool Does the provide exist?,
* 'value' => string The version provided
* )
- * @since 1.8
+ * @since 1.8.0
+ * @access private
*/
function elgg_check_plugins_provides($type, $name, $version = null, $comparison = 'ge') {
- if (!$provided = elgg_get_plugins_provides($type, $name)) {
+ $provided = elgg_get_plugins_provides($type, $name);
+ if (!$provided) {
return array(
'status' => false,
'version' => ''
);
}
- if ($provided) {
- if ($version) {
- $status = version_compare($provided['version'], $version, $comparison);
- } else {
- $status = true;
- }
+ if ($version) {
+ $status = version_compare($provided['version'], $version, $comparison);
+ } else {
+ $status = true;
}
return array(
@@ -655,6 +675,8 @@ function elgg_check_plugins_provides($type, $name, $version = null, $comparison
*
* @param array $dep An ElggPluginPackage dependency array
* @return array
+ * @since 1.8.0
+ * @access private
*/
function elgg_get_plugin_dependency_strings($dep) {
$dep_system = elgg_extract('type', $dep);
@@ -764,7 +786,8 @@ function elgg_get_plugin_dependency_strings($dep) {
* Returns the ElggPlugin entity of the last plugin called.
*
* @return mixed ElggPlugin or false
- * @since 1.8
+ * @since 1.8.0
+ * @access private
*/
function elgg_get_calling_plugin_entity() {
$plugin_id = elgg_get_calling_plugin_id();
@@ -784,8 +807,7 @@ function elgg_get_calling_plugin_entity() {
* @param bool $return_obj Return settings as an object? This can be used to in reusable
* views where the settings are passed as $vars['entity'].
* @return array
- *
- * @since 1.8
+ * @since 1.8.0
*/
function elgg_get_all_plugin_user_settings($user_guid = null, $plugin_id = null, $return_obj = false) {
if ($plugin_id) {
@@ -823,6 +845,7 @@ function elgg_get_all_plugin_user_settings($user_guid = null, $plugin_id = null,
* is detected from where you are calling from.
*
* @return bool
+ * @since 1.8.0
*/
function elgg_set_plugin_user_setting($name, $value, $user_guid = null, $plugin_id = null) {
if ($plugin_id) {
@@ -841,11 +864,12 @@ function elgg_set_plugin_user_setting($name, $value, $user_guid = null, $plugin_
/**
* Unsets a user-specific plugin setting
*
- * @param str $name Name of the plugin setting
- * @param int $user_guid Defaults to logged in user
- * @param str $plugin_id Defaults to contextual plugin name
+ * @param string $name Name of the setting
+ * @param int $user_guid Defaults to logged in user
+ * @param string $plugin_id Defaults to contextual plugin name
*
- * @return bool Success
+ * @return bool
+ * @since 1.8.0
*/
function elgg_unset_plugin_user_setting($name, $user_guid = null, $plugin_id = null) {
if ($plugin_id) {
@@ -864,12 +888,13 @@ function elgg_unset_plugin_user_setting($name, $user_guid = null, $plugin_id = n
/**
* Get a user specific setting for a plugin.
*
- * @param string $name The name.
+ * @param string $name The name of the setting.
* @param int $user_guid Guid of owning user
* @param string $plugin_id Optional plugin name, if not specified
* it is detected from where you are calling.
*
* @return mixed
+ * @since 1.8.0
*/
function elgg_get_plugin_user_setting($name, $user_guid = null, $plugin_id = null) {
if ($plugin_id) {
@@ -888,12 +913,13 @@ function elgg_get_plugin_user_setting($name, $user_guid = null, $plugin_id = nul
/**
* Set a setting for a plugin.
*
- * @param string $name The name - note, can't be "title".
+ * @param string $name The name of the setting - note, can't be "title".
* @param mixed $value The value.
* @param string $plugin_id Optional plugin name, if not specified
* then it is detected from where you are calling from.
*
- * @return int|false
+ * @return bool
+ * @since 1.8.0
*/
function elgg_set_plugin_setting($name, $value, $plugin_id = null) {
if ($plugin_id) {
@@ -912,11 +938,13 @@ function elgg_set_plugin_setting($name, $value, $plugin_id = null) {
/**
* Get setting for a plugin.
*
- * @param string $name The name.
+ * @param string $name The name of the setting.
* @param string $plugin_id Optional plugin name, if not specified
* then it is detected from where you are calling from.
*
* @return mixed
+ * @since 1.8.0
+ * @todo make $plugin_id required in future version
*/
function elgg_get_plugin_setting($name, $plugin_id = null) {
if ($plugin_id) {
@@ -935,11 +963,12 @@ function elgg_get_plugin_setting($name, $plugin_id = null) {
/**
* Unsets a plugin setting.
*
- * @param string $name The name.
+ * @param string $name The name of the setting.
* @param string $plugin_id Optional plugin name, if not specified
* then it is detected from where you are calling from.
*
* @return bool
+ * @since 1.8.0
*/
function elgg_unset_plugin_setting($name, $plugin_id = null) {
if ($plugin_id) {
@@ -962,7 +991,7 @@ function elgg_unset_plugin_setting($name, $plugin_id = null) {
* then it is detected from where you are calling from.
*
* @return bool
- * @since 1.8
+ * @since 1.8.0
*/
function elgg_unset_all_plugin_settings($plugin_id = null) {
if ($plugin_id) {
@@ -1003,7 +1032,7 @@ function elgg_unset_all_plugin_settings($plugin_id = null) {
* plugin_user_setting_name_value_pairs_operator => NULL|STR The operator to use for combining
* (name = value) OPERATOR (name = value); default AND
*
- * @return mixed
+ * @return mixed int If count, int. If not count, array. false on errors.
*/
function elgg_get_entities_from_plugin_user_settings(array $options = array()) {
// if they're passing it don't bother
@@ -1051,7 +1080,8 @@ function elgg_get_entities_from_plugin_user_settings(array $options = array()) {
/**
* Register object, plugin entities as ElggPlugin classes
*
- * @return void
+ * @return void
+ * @access private
*/
function plugin_run_once() {
add_subtype("object", "plugin", "ElggPlugin");
@@ -1060,12 +1090,13 @@ function plugin_run_once() {
/**
* Runs unit tests for the entity objects.
*
- * @param sting $hook unit_test
+ * @param string $hook unit_test
* @param string $type system
* @param mixed $value Array of tests
* @param mixed $params Params
*
* @return array
+ * @access private
*/
function plugins_test($hook, $type, $value, $params) {
global $CONFIG;
@@ -1074,15 +1105,63 @@ function plugins_test($hook, $type, $value, $params) {
}
/**
- * Initialise the file modules.
- * Listens to system boot and registers any appropriate file types and classes
+ * Checks on deactivate plugin event if disabling it won't create unmet dependencies and blocks disable in such case.
+ *
+ * @param string $event deactivate
+ * @param string $type plugin
+ * @param array $params Parameters array containing entry with ELggPlugin instance under 'plugin_entity' key
+ * @return bool false to block plugin deactivation action
+ *
+ * @access private
+ */
+function _plugins_deactivate_dependency_check($event, $type, $params) {
+ $plugin_id = $params['plugin_entity']->getManifest()->getPluginID();
+ $plugin_name = $params['plugin_entity']->getManifest()->getName();
+
+ $active_plugins = elgg_get_plugins();
+
+ $dependents = array();
+ foreach ($active_plugins as $plugin) {
+ $manifest = $plugin->getManifest();
+ $requires = $manifest->getRequires();
+
+ foreach ($requires as $required) {
+ if ($required['type'] == 'plugin' && $required['name'] == $plugin_id) {
+ // there are active dependents
+ $dependents[$manifest->getPluginID()] = $plugin;
+ }
+ }
+ }
+
+ if ($dependents) {
+ $list = '<ul>';
+ // construct error message and prevent disabling
+ foreach ($dependents as $dependent) {
+ $list .= '<li>' . $dependent->getManifest()->getName() . '</li>';
+ }
+ $list .= '</ul>';
+
+ register_error(elgg_echo('ElggPlugin:Dependencies:ActiveDependent', array($plugin_name, $list)));
+
+ return false;
+ }
+}
+
+/**
+ * Initialize the plugin system
+ * Listens to system init and registers actions
*
* @return void
+ * @access private
*/
function plugin_init() {
run_function_once("plugin_run_once");
elgg_register_plugin_hook_handler('unit_test', 'system', 'plugins_test');
+
+ // note - plugins are booted by the time this handler is registered
+ // deactivation due to error may have already occurred
+ elgg_register_event_handler('deactivate', 'plugin', '_plugins_deactivate_dependency_check');
elgg_register_action("plugins/settings/save", '', 'admin');
elgg_register_action("plugins/usersettings/save");
@@ -1093,6 +1172,8 @@ function plugin_init() {
elgg_register_action('admin/plugins/deactivate_all', '', 'admin');
elgg_register_action('admin/plugins/set_priority', '', 'admin');
+
+ elgg_register_library('elgg:markdown', elgg_get_root_path() . 'vendors/markdown/markdown.php');
}
elgg_register_event_handler('init', 'system', 'plugin_init');