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authorben <ben@36083f99-b078-4883-b0ff-0f9b5a30f544>2009-02-04 13:05:44 +0000
committerben <ben@36083f99-b078-4883-b0ff-0f9b5a30f544>2009-02-04 13:05:44 +0000
commita8d7ea23f8868aa70dd6fe87482e3b860e0b615f (patch)
treed05bc4749587fcd8141d70d5c1ca505793150ac2 /engine/lib/plugins.php
parent114bf6e56152d407f660cf5060972f3bfa4fd8ff (diff)
downloadelgg-a8d7ea23f8868aa70dd6fe87482e3b860e0b615f.tar.gz
elgg-a8d7ea23f8868aa70dd6fe87482e3b860e0b615f.tar.bz2
Moves access permissions references over to using the ACCESS_* constants defined in access.php. Refs #687
git-svn-id: https://code.elgg.org/elgg/trunk@2639 36083f99-b078-4883-b0ff-0f9b5a30f544
Diffstat (limited to 'engine/lib/plugins.php')
-rw-r--r--engine/lib/plugins.php914
1 files changed, 457 insertions, 457 deletions
diff --git a/engine/lib/plugins.php b/engine/lib/plugins.php
index 3ba31b521..a38f159cc 100644
--- a/engine/lib/plugins.php
+++ b/engine/lib/plugins.php
@@ -11,77 +11,77 @@
* @copyright Curverider Ltd 2008-2009
* @link http://elgg.org/
*/
-
-
- /// Cache enabled plugins per page
+
+
+ /// Cache enabled plugins per page
$ENABLED_PLUGINS_CACHE = NULL;
-
- /**
- * PluginException
- *
- * A plugin Exception, thrown when an Exception occurs relating to the plugin mechanism. Subclass for specific plugin Exceptions.
- *
- * @package Elgg
- * @subpackage Exceptions
- */
- class PluginException extends Exception {}
-
- /**
- * @class ElggPlugin Object representing a plugin's settings for a given site.
- * This class is currently a stub, allowing a plugin to saving settings in an object's metadata for each site.
- * @author Curverider Ltd
- */
- class ElggPlugin extends ElggObject
- {
- protected function initialise_attributes()
- {
- parent::initialise_attributes();
-
- $this->attributes['subtype'] = "plugin";
- }
-
- public function __construct($guid = null)
- {
- parent::__construct($guid);
- }
-
- /**
- * Override entity get and sets in order to save data to private data store.
- */
- public function get($name)
- {
- // See if its in our base attribute
- if (isset($this->attributes[$name])) {
- return $this->attributes[$name];
- }
-
- // No, so see if its in the private data store.
- $meta = get_private_setting($this->guid, $name);
- if ($meta)
- return $meta;
-
- // Can't find it, so return null
- return null;
- }
-
- /**
- * Override entity get and sets in order to save data to private data store.
- */
- public function set($name, $value)
- {
- if (array_key_exists($name, $this->attributes))
- {
- // Check that we're not trying to change the guid!
- if ((array_key_exists('guid', $this->attributes)) && ($name=='guid'))
- return false;
-
- $this->attributes[$name] = $value;
- }
- else
- return set_private_setting($this->guid, $name, $value);
-
- return true;
- }
+
+ /**
+ * PluginException
+ *
+ * A plugin Exception, thrown when an Exception occurs relating to the plugin mechanism. Subclass for specific plugin Exceptions.
+ *
+ * @package Elgg
+ * @subpackage Exceptions
+ */
+ class PluginException extends Exception {}
+
+ /**
+ * @class ElggPlugin Object representing a plugin's settings for a given site.
+ * This class is currently a stub, allowing a plugin to saving settings in an object's metadata for each site.
+ * @author Curverider Ltd
+ */
+ class ElggPlugin extends ElggObject
+ {
+ protected function initialise_attributes()
+ {
+ parent::initialise_attributes();
+
+ $this->attributes['subtype'] = "plugin";
+ }
+
+ public function __construct($guid = null)
+ {
+ parent::__construct($guid);
+ }
+
+ /**
+ * Override entity get and sets in order to save data to private data store.
+ */
+ public function get($name)
+ {
+ // See if its in our base attribute
+ if (isset($this->attributes[$name])) {
+ return $this->attributes[$name];
+ }
+
+ // No, so see if its in the private data store.
+ $meta = get_private_setting($this->guid, $name);
+ if ($meta)
+ return $meta;
+
+ // Can't find it, so return null
+ return null;
+ }
+
+ /**
+ * Override entity get and sets in order to save data to private data store.
+ */
+ public function set($name, $value)
+ {
+ if (array_key_exists($name, $this->attributes))
+ {
+ // Check that we're not trying to change the guid!
+ if ((array_key_exists('guid', $this->attributes)) && ($name=='guid'))
+ return false;
+
+ $this->attributes[$name] = $value;
+ }
+ else
+ return set_private_setting($this->guid, $name, $value);
+
+ return true;
+ }
}
/**
@@ -201,22 +201,22 @@
return false;
}
-
+
/**
* For now, loads plugins directly
*
- * @todo Add proper plugin handler that launches plugins in an admin-defined order and activates them on admin request
- * @package Elgg
+ * @todo Add proper plugin handler that launches plugins in an admin-defined order and activates them on admin request
+ * @package Elgg
* @subpackage Core
*/
function load_plugins() {
global $CONFIG;
- if (!empty($CONFIG->pluginspath)) {
-
- // temporary disable all plugins if there is a file called 'disabled' in the plugin dir
- if (file_exists($CONFIG->pluginspath . "disabled"))
+ if (!empty($CONFIG->pluginspath)) {
+
+ // temporary disable all plugins if there is a file called 'disabled' in the plugin dir
+ if (file_exists($CONFIG->pluginspath . "disabled"))
return;
$plugins = get_plugin_list();
@@ -281,255 +281,255 @@
}
}
return false;
- }
-
- /**
- * Load and parse a plugin manifest from a plugin XML file.
- *
- * Example file:
- *
- * <plugin_manifest>
- * <field key="author" value="Curverider Ltd" />
- * <field key="version" value="1.0" />
- * <field key="description" value="My plugin description, keep it short" />
- * <field key="website" value="http://www.elgg.org/" />
- * <field key="copyright" value="(C) Curverider 2008-2009" />
- * <field key="licence" value="GNU Public License version 2" />
- * </plugin_manifest>
- *
- * @param string $plugin Plugin name.
- * @return array of values
- */
- function load_plugin_manifest($plugin)
- {
- global $CONFIG;
-
- $xml = xml_2_object(file_get_contents($CONFIG->pluginspath . $plugin. "/manifest.xml"));
-
- if ($xml)
- {
- $elements = array();
-
- foreach ($xml->children as $element)
- {
- $key = $element->attributes['key'];
- $value = $element->attributes['value'];
-
- $elements[$key] = $value;
- }
-
- return $elements;
- }
-
- return false;
- }
-
- /**
- * Shorthand function for finding the plugin settings.
- *
- * @param string $plugin_name Optional plugin name, if not specified then it is detected from where you
- * are calling from.
- */
- function find_plugin_settings($plugin_name = "")
- {
- $plugins = get_entities('object', 'plugin');
- $plugin_name = sanitise_string($plugin_name);
- if (!$plugin_name)
- $plugin_name = get_plugin_name();
-
- if ($plugins)
- {
- foreach ($plugins as $plugin)
- if (strcmp($plugin->title, $plugin_name)==0)
- return $plugin;
- }
-
- return false;
- }
-
- /**
- * Find the plugin settings for a user.
- *
- * @param string $plugin_name Plugin name.
- * @param int $user_guid The guid who's settings to retrieve.
- * @return array of settings in an associative array minus prefix.
- */
- function find_plugin_usersettings($plugin_name = "", $user_guid = 0)
- {
- $plugin_name = sanitise_string($plugin_name);
- $user_guid = (int)$user_guid;
-
- if (!$plugin_name)
- $plugin_name = get_plugin_name();
-
- if ($user_guid == 0) $user_guid = get_loggedin_userid();
-
- // Get metadata for user
- $all_metadata = get_all_private_settings($user_guid); //get_metadata_for_entity($user_guid);
- if ($all_metadata)
- {
- $prefix = "plugin:settings:$plugin_name:";
- $return = new stdClass;
-
- foreach ($all_metadata as $key => $meta)
- {
- $name = substr($key, strlen($prefix));
- $value = $meta;
-
- if (strpos($key, $prefix) === 0)
- $return->$name = $value;
- }
-
- return $return;
- }
-
- return false;
- }
-
- /**
- * Set a user specific setting for a plugin.
- *
- * @param string $name The name - note, can't be "title".
- * @param mixed $value The value.
- * @param int $user_guid Optional user.
- * @param string $plugin_name Optional plugin name, if not specified then it is detected from where you are calling from.
- */
- function set_plugin_usersetting($name, $value, $user_guid = 0, $plugin_name = "")
- {
- $plugin_name = sanitise_string($plugin_name);
- $user_guid = (int)$user_guid;
- $name = sanitise_string($name);
-
- if (!$plugin_name)
- $plugin_name = get_plugin_name();
-
- $user = get_entity($user_guid);
- if (!$user) $user = get_loggedin_user();
-
- if (($user) && ($user instanceof ElggUser))
- {
- $prefix = "plugin:settings:$plugin_name:$name";
- //$user->$prefix = $value;
- //$user->save();
-
- // Hook to validate setting
- $value = trigger_plugin_hook('plugin:usersetting', 'user', array(
- 'user' => $user,
- 'plugin' => $plugin_name,
- 'name' => $name,
- 'value' => $value
- ), $value);
-
- return set_private_setting($user->guid, $prefix, $value);
- }
-
- return false;
- }
-
- /**
- * Get a user specific setting for a plugin.
- *
- * @param string $name The name.
- * @param string $plugin_name Optional plugin name, if not specified then it is detected from where you are calling from.
- */
- function get_plugin_usersetting($name, $user_guid = 0, $plugin_name = "")
- {
- $plugin_name = sanitise_string($plugin_name);
- $user_guid = (int)$user_guid;
- $name = sanitise_string($name);
-
- if (!$plugin_name)
- $plugin_name = get_plugin_name();
-
- $user = get_entity($user_guid);
- if (!$user) $user = get_loggedin_user();
-
- if (($user) && ($user instanceof ElggUser))
- {
- $prefix = "plugin:settings:$plugin_name:$name";
- return get_private_setting($user->guid, $prefix); //$user->$prefix;
- }
-
- return false;
- }
-
- /**
- * Set a setting for a plugin.
- *
- * @param string $name The name - note, can't be "title".
- * @param mixed $value The value.
- * @param string $plugin_name Optional plugin name, if not specified then it is detected from where you are calling from.
- */
- function set_plugin_setting($name, $value, $plugin_name = "")
- {
- if (!$plugin_name) $plugin_name = get_plugin_name();
- $plugin = find_plugin_settings($plugin_name);
-
- if (!$plugin)
- $plugin = new ElggPlugin();
-
- if ($name!='title')
- {
- // Hook to validate setting
- $value = trigger_plugin_hook('plugin:setting', 'plugin', array(
- 'plugin' => $plugin_name,
- 'name' => $name,
- 'value' => $value
- ), $value);
-
- $plugin->title = $plugin_name;
- $plugin->access_id = 2;
- $plugin->save();
- $plugin->$name = $value;
-
- return $plugin->getGUID();
- }
-
- return false;
- }
-
- /**
- * Get setting for a plugin.
- *
- * @param string $name The name.
- * @param string $plugin_name Optional plugin name, if not specified then it is detected from where you are calling from.
- */
- function get_plugin_setting($name, $plugin_name = "")
- {
- $plugin = find_plugin_settings($plugin_name);
-
- if ($plugin)
- return $plugin->$name;
-
- return false;
- }
-
- /**
- * Clear a plugin setting.
- *
- * @param string $name The name.
- * @param string $plugin_name Optional plugin name, if not specified then it is detected from where you are calling from.
- */
- function clear_plugin_setting($name, $plugin_name = "")
- {
- $plugin = find_plugin_settings($plugin_name);
-
- if ($plugin)
- return remove_all_private_settings($plugin->guid); //$plugin->clearMetaData($name);
-
- return false;
- }
-
- /**
- * Return an array of installed plugins.
- */
- function get_installed_plugins()
- {
- global $CONFIG;
-
- $installed_plugins = array();
-
- if (!empty($CONFIG->pluginspath)) {
+ }
+
+ /**
+ * Load and parse a plugin manifest from a plugin XML file.
+ *
+ * Example file:
+ *
+ * <plugin_manifest>
+ * <field key="author" value="Curverider Ltd" />
+ * <field key="version" value="1.0" />
+ * <field key="description" value="My plugin description, keep it short" />
+ * <field key="website" value="http://www.elgg.org/" />
+ * <field key="copyright" value="(C) Curverider 2008-2009" />
+ * <field key="licence" value="GNU Public License version 2" />
+ * </plugin_manifest>
+ *
+ * @param string $plugin Plugin name.
+ * @return array of values
+ */
+ function load_plugin_manifest($plugin)
+ {
+ global $CONFIG;
+
+ $xml = xml_2_object(file_get_contents($CONFIG->pluginspath . $plugin. "/manifest.xml"));
+
+ if ($xml)
+ {
+ $elements = array();
+
+ foreach ($xml->children as $element)
+ {
+ $key = $element->attributes['key'];
+ $value = $element->attributes['value'];
+
+ $elements[$key] = $value;
+ }
+
+ return $elements;
+ }
+
+ return false;
+ }
+
+ /**
+ * Shorthand function for finding the plugin settings.
+ *
+ * @param string $plugin_name Optional plugin name, if not specified then it is detected from where you
+ * are calling from.
+ */
+ function find_plugin_settings($plugin_name = "")
+ {
+ $plugins = get_entities('object', 'plugin');
+ $plugin_name = sanitise_string($plugin_name);
+ if (!$plugin_name)
+ $plugin_name = get_plugin_name();
+
+ if ($plugins)
+ {
+ foreach ($plugins as $plugin)
+ if (strcmp($plugin->title, $plugin_name)==0)
+ return $plugin;
+ }
+
+ return false;
+ }
+
+ /**
+ * Find the plugin settings for a user.
+ *
+ * @param string $plugin_name Plugin name.
+ * @param int $user_guid The guid who's settings to retrieve.
+ * @return array of settings in an associative array minus prefix.
+ */
+ function find_plugin_usersettings($plugin_name = "", $user_guid = 0)
+ {
+ $plugin_name = sanitise_string($plugin_name);
+ $user_guid = (int)$user_guid;
+
+ if (!$plugin_name)
+ $plugin_name = get_plugin_name();
+
+ if ($user_guid == 0) $user_guid = get_loggedin_userid();
+
+ // Get metadata for user
+ $all_metadata = get_all_private_settings($user_guid); //get_metadata_for_entity($user_guid);
+ if ($all_metadata)
+ {
+ $prefix = "plugin:settings:$plugin_name:";
+ $return = new stdClass;
+
+ foreach ($all_metadata as $key => $meta)
+ {
+ $name = substr($key, strlen($prefix));
+ $value = $meta;
+
+ if (strpos($key, $prefix) === 0)
+ $return->$name = $value;
+ }
+
+ return $return;
+ }
+
+ return false;
+ }
+
+ /**
+ * Set a user specific setting for a plugin.
+ *
+ * @param string $name The name - note, can't be "title".
+ * @param mixed $value The value.
+ * @param int $user_guid Optional user.
+ * @param string $plugin_name Optional plugin name, if not specified then it is detected from where you are calling from.
+ */
+ function set_plugin_usersetting($name, $value, $user_guid = 0, $plugin_name = "")
+ {
+ $plugin_name = sanitise_string($plugin_name);
+ $user_guid = (int)$user_guid;
+ $name = sanitise_string($name);
+
+ if (!$plugin_name)
+ $plugin_name = get_plugin_name();
+
+ $user = get_entity($user_guid);
+ if (!$user) $user = get_loggedin_user();
+
+ if (($user) && ($user instanceof ElggUser))
+ {
+ $prefix = "plugin:settings:$plugin_name:$name";
+ //$user->$prefix = $value;
+ //$user->save();
+
+ // Hook to validate setting
+ $value = trigger_plugin_hook('plugin:usersetting', 'user', array(
+ 'user' => $user,
+ 'plugin' => $plugin_name,
+ 'name' => $name,
+ 'value' => $value
+ ), $value);
+
+ return set_private_setting($user->guid, $prefix, $value);
+ }
+
+ return false;
+ }
+
+ /**
+ * Get a user specific setting for a plugin.
+ *
+ * @param string $name The name.
+ * @param string $plugin_name Optional plugin name, if not specified then it is detected from where you are calling from.
+ */
+ function get_plugin_usersetting($name, $user_guid = 0, $plugin_name = "")
+ {
+ $plugin_name = sanitise_string($plugin_name);
+ $user_guid = (int)$user_guid;
+ $name = sanitise_string($name);
+
+ if (!$plugin_name)
+ $plugin_name = get_plugin_name();
+
+ $user = get_entity($user_guid);
+ if (!$user) $user = get_loggedin_user();
+
+ if (($user) && ($user instanceof ElggUser))
+ {
+ $prefix = "plugin:settings:$plugin_name:$name";
+ return get_private_setting($user->guid, $prefix); //$user->$prefix;
+ }
+
+ return false;
+ }
+
+ /**
+ * Set a setting for a plugin.
+ *
+ * @param string $name The name - note, can't be "title".
+ * @param mixed $value The value.
+ * @param string $plugin_name Optional plugin name, if not specified then it is detected from where you are calling from.
+ */
+ function set_plugin_setting($name, $value, $plugin_name = "")
+ {
+ if (!$plugin_name) $plugin_name = get_plugin_name();
+ $plugin = find_plugin_settings($plugin_name);
+
+ if (!$plugin)
+ $plugin = new ElggPlugin();
+
+ if ($name!='title')
+ {
+ // Hook to validate setting
+ $value = trigger_plugin_hook('plugin:setting', 'plugin', array(
+ 'plugin' => $plugin_name,
+ 'name' => $name,
+ 'value' => $value
+ ), $value);
+
+ $plugin->title = $plugin_name;
+ $plugin->access_id = ACCESS_PUBLIC;
+ $plugin->save();
+ $plugin->$name = $value;
+
+ return $plugin->getGUID();
+ }
+
+ return false;
+ }
+
+ /**
+ * Get setting for a plugin.
+ *
+ * @param string $name The name.
+ * @param string $plugin_name Optional plugin name, if not specified then it is detected from where you are calling from.
+ */
+ function get_plugin_setting($name, $plugin_name = "")
+ {
+ $plugin = find_plugin_settings($plugin_name);
+
+ if ($plugin)
+ return $plugin->$name;
+
+ return false;
+ }
+
+ /**
+ * Clear a plugin setting.
+ *
+ * @param string $name The name.
+ * @param string $plugin_name Optional plugin name, if not specified then it is detected from where you are calling from.
+ */
+ function clear_plugin_setting($name, $plugin_name = "")
+ {
+ $plugin = find_plugin_settings($plugin_name);
+
+ if ($plugin)
+ return remove_all_private_settings($plugin->guid); //$plugin->clearMetaData($name);
+
+ return false;
+ }
+
+ /**
+ * Return an array of installed plugins.
+ */
+ function get_installed_plugins()
+ {
+ global $CONFIG;
+
+ $installed_plugins = array();
+
+ if (!empty($CONFIG->pluginspath)) {
$plugins = get_plugin_list();
@@ -538,140 +538,140 @@
$installed_plugins[$mod]['active'] = is_plugin_enabled($mod);
$installed_plugins[$mod]['manifest'] = load_plugin_manifest($mod);
}
-
- }
-
- return $installed_plugins;
- }
-
- /**
- * Enable a plugin for a site (default current site)
- *
- * @param string $plugin The plugin name.
- * @param int $site_guid The site id, if not specified then this is detected.
- */
- function enable_plugin($plugin, $site_guid = 0)
- {
- global $CONFIG;
-
- $plugin = sanitise_string($plugin);
- $site_guid = (int) $site_guid;
- if ($site_guid == 0)
- $site_guid = $CONFIG->site_guid;
-
- $site = get_entity($site_guid);
- if (!($site instanceof ElggSite))
- throw new InvalidClassException(sprintf(elgg_echo('InvalidClassException:NotValidElggStar'), $site_guid, "ElggSite"));
-
- $enabled = $site->getMetaData('enabled_plugins');
- $new_enabled = array();
- if ($enabled)
- {
- if (!is_array($enabled))
- $new_enabled[] = $enabled;
- else
- $new_enabled = $enabled;
- }
- $new_enabled[] = $plugin;
- $new_enabled = array_unique($new_enabled);
-
- $return = $site->setMetaData('enabled_plugins', $new_enabled);
-
- return $return;
- }
-
- /**
- * Disable a plugin for a site (default current site)
- *
- * @param string $plugin The plugin name.
- * @param int $site_guid The site id, if not specified then this is detected.
- */
- function disable_plugin($plugin, $site_guid = 0)
- {
- global $CONFIG;
-
- $plugin = sanitise_string($plugin);
- $site_guid = (int) $site_guid;
- if ($site_guid == 0)
- $site_guid = $CONFIG->site_guid;
-
- $site = get_entity($site_guid);
- if (!($site instanceof ElggSite))
- throw new InvalidClassException(sprintf(elgg_echo('InvalidClassException:NotValidElggStar'), $site_guid, "ElggSite"));
-
- $enabled = $site->getMetaData('enabled_plugins');
- $new_enabled = array();
-
- foreach ($enabled as $plug)
- if ($plugin != $plug)
- $new_enabled[] = $plug;
-
- $return = $site->setMetaData('enabled_plugins', $new_enabled);
-
- return $return;
- }
-
- /**
- * Return whether a plugin is enabled or not.
- *
- * @param string $plugin The plugin name.
- * @param int $site_guid The site id, if not specified then this is detected.
- * @return bool
- */
- function is_plugin_enabled($plugin, $site_guid = 0)
- {
- global $CONFIG, $ENABLED_PLUGINS_CACHE;
-
- if (!file_exists($CONFIG->pluginspath . $plugin)) return false;
-
- $site_guid = (int) $site_guid;
- if ($site_guid == 0)
- $site_guid = $CONFIG->site_guid;
-
-
- if (!$ENABLED_PLUGINS_CACHE) {
- $site = get_entity($site_guid);
- if (!($site instanceof ElggSite))
- throw new InvalidClassException(sprintf(elgg_echo('InvalidClassException:NotValidElggStar'), $site_guid, "ElggSite"));
-
- $ENABLED_PLUGINS_CACHE = $site->enabled_plugins;
- }
-
- foreach ($ENABLED_PLUGINS_CACHE as $e)
- if ($e == $plugin) return true;
-
- return false;
- }
+
+ }
+
+ return $installed_plugins;
+ }
- /**
- * Run once and only once.
- */
- function plugin_run_once()
- {
- // Register a class
- add_subtype("object", "plugin", "ElggPlugin");
- }
-
- /**
- * Initialise the file modules.
- * Listens to system boot and registers any appropriate file types and classes
- */
- function plugin_init()
- {
- // Now run this stuff, but only once
- run_function_once("plugin_run_once");
-
- // Register some actions
- register_action("plugins/settings/save", false, "", true);
- register_action("plugins/usersettings/save");
-
- register_action('admin/plugins/enable', false, "", true); // Enable
+ /**
+ * Enable a plugin for a site (default current site)
+ *
+ * @param string $plugin The plugin name.
+ * @param int $site_guid The site id, if not specified then this is detected.
+ */
+ function enable_plugin($plugin, $site_guid = 0)
+ {
+ global $CONFIG;
+
+ $plugin = sanitise_string($plugin);
+ $site_guid = (int) $site_guid;
+ if ($site_guid == 0)
+ $site_guid = $CONFIG->site_guid;
+
+ $site = get_entity($site_guid);
+ if (!($site instanceof ElggSite))
+ throw new InvalidClassException(sprintf(elgg_echo('InvalidClassException:NotValidElggStar'), $site_guid, "ElggSite"));
+
+ $enabled = $site->getMetaData('enabled_plugins');
+ $new_enabled = array();
+ if ($enabled)
+ {
+ if (!is_array($enabled))
+ $new_enabled[] = $enabled;
+ else
+ $new_enabled = $enabled;
+ }
+ $new_enabled[] = $plugin;
+ $new_enabled = array_unique($new_enabled);
+
+ $return = $site->setMetaData('enabled_plugins', $new_enabled);
+
+ return $return;
+ }
+
+ /**
+ * Disable a plugin for a site (default current site)
+ *
+ * @param string $plugin The plugin name.
+ * @param int $site_guid The site id, if not specified then this is detected.
+ */
+ function disable_plugin($plugin, $site_guid = 0)
+ {
+ global $CONFIG;
+
+ $plugin = sanitise_string($plugin);
+ $site_guid = (int) $site_guid;
+ if ($site_guid == 0)
+ $site_guid = $CONFIG->site_guid;
+
+ $site = get_entity($site_guid);
+ if (!($site instanceof ElggSite))
+ throw new InvalidClassException(sprintf(elgg_echo('InvalidClassException:NotValidElggStar'), $site_guid, "ElggSite"));
+
+ $enabled = $site->getMetaData('enabled_plugins');
+ $new_enabled = array();
+
+ foreach ($enabled as $plug)
+ if ($plugin != $plug)
+ $new_enabled[] = $plug;
+
+ $return = $site->setMetaData('enabled_plugins', $new_enabled);
+
+ return $return;
+ }
+
+ /**
+ * Return whether a plugin is enabled or not.
+ *
+ * @param string $plugin The plugin name.
+ * @param int $site_guid The site id, if not specified then this is detected.
+ * @return bool
+ */
+ function is_plugin_enabled($plugin, $site_guid = 0)
+ {
+ global $CONFIG, $ENABLED_PLUGINS_CACHE;
+
+ if (!file_exists($CONFIG->pluginspath . $plugin)) return false;
+
+ $site_guid = (int) $site_guid;
+ if ($site_guid == 0)
+ $site_guid = $CONFIG->site_guid;
+
+
+ if (!$ENABLED_PLUGINS_CACHE) {
+ $site = get_entity($site_guid);
+ if (!($site instanceof ElggSite))
+ throw new InvalidClassException(sprintf(elgg_echo('InvalidClassException:NotValidElggStar'), $site_guid, "ElggSite"));
+
+ $ENABLED_PLUGINS_CACHE = $site->enabled_plugins;
+ }
+
+ foreach ($ENABLED_PLUGINS_CACHE as $e)
+ if ($e == $plugin) return true;
+
+ return false;
+ }
+
+ /**
+ * Run once and only once.
+ */
+ function plugin_run_once()
+ {
+ // Register a class
+ add_subtype("object", "plugin", "ElggPlugin");
+ }
+
+ /**
+ * Initialise the file modules.
+ * Listens to system boot and registers any appropriate file types and classes
+ */
+ function plugin_init()
+ {
+ // Now run this stuff, but only once
+ run_function_once("plugin_run_once");
+
+ // Register some actions
+ register_action("plugins/settings/save", false, "", true);
+ register_action("plugins/usersettings/save");
+
+ register_action('admin/plugins/enable', false, "", true); // Enable
register_action('admin/plugins/disable', false, "", true); // Disable
register_action('admin/plugins/reorder', false, "", true); // Disable
-
- }
-
- // Register a startup event
+
+ }
+
+ // Register a startup event
register_elgg_event_handler('init','system','plugin_init');
?> \ No newline at end of file