diff options
Diffstat (limited to 'engine/lib/pageowner.php')
| -rw-r--r-- | engine/lib/pageowner.php | 182 |
1 files changed, 87 insertions, 95 deletions
diff --git a/engine/lib/pageowner.php b/engine/lib/pageowner.php index 32c431632..b03422e4f 100644 --- a/engine/lib/pageowner.php +++ b/engine/lib/pageowner.php @@ -1,7 +1,7 @@ <?php /** * Elgg page owner library - * Contains functions for managing page ownership + * Contains functions for managing page ownership and context * * @package Elgg * @subpackage Core @@ -9,129 +9,84 @@ * @link http://elgg.org/ */ + /** - * Gets the page owner for the current page. - * @uses $CONFIG - * @return int|false The current page owner guid (0 if none). + * Gets the guid of the entity that owns the current page. + * @param int $guid Optional parameter used by elgg_set_page_owner_guid(). + * @return int The current page owner guid (0 if none). + * @since 1.8 */ +function elgg_get_page_owner_guid($guid = 0) { + static $page_owner_guid; -function page_owner() { - global $CONFIG; - - $returnval = NULL; - - $setpageowner = set_page_owner(); - if ($setpageowner !== false) { - return $setpageowner; + if ($guid) { + $page_owner_guid = $guid; } - if ((!isset($returnval)) && ($username = get_input("username"))) { - if (substr_count($username,'group:')) { - preg_match('/group\:([0-9]+)/i',$username,$matches); - $guid = $matches[1]; - if ($entity = get_entity($guid)) { - $returnval = $entity->getGUID(); - } - } - if ((!isset($returnval)) && ($user = get_user_by_username($username))) { - $returnval = $user->getGUID(); - } + if (isset($page_owner_guid)) { + return $page_owner_guid; } + $guid = trigger_plugin_hook('page_owner', 'system', NULL, 0); - if ((!isset($returnval)) && ($owner = get_input("owner_guid"))) { - if ($user = get_entity($owner)) { - $returnval = $user->getGUID(); - } - } - + $page_owner_guid = $guid; - if ((!isset($returnval)) && (!empty($CONFIG->page_owner_handlers) && is_array($CONFIG->page_owner_handlers))) { - foreach($CONFIG->page_owner_handlers as $handler) { - if ((!isset($returnval)) && ($guid = $handler())) { - $returnval = $guid; - } - } - } + return $guid; +} - if (isset($returnval)) { - // Check if this is obtainable, forwarding if not. - /* - * If the owner entity has been set, but is inaccessible then we forward to the dashboard. This - * catches a bunch of WSoDs. It doesn't have much of a performance hit since 99.999% of the time the next thing - * a page does after calling this function is to retrieve the owner entity - which is of course cashed. - */ - $owner_entity = get_entity($returnval); - if (!$owner_entity) { - - // Log an error - error_log(sprintf(elgg_echo('pageownerunavailable'), $returnval)); - - // Forward - forward(); - } +/** + * @deprecated 1.8 Use get_page_owner_guid() + */ +function page_owner() { + elgg_deprecated_notice('page_owner() was deprecated by elgg_get_page_owner_guid().', 1.8); + return elgg_get_page_owner_guid(); +} - // set the page owner so if we're called again we don't have to think. - set_page_owner($returnval); - return $returnval; +/** + * Gets the owner entity for the current page. + * @return ElggEntity|false The current page owner or false if none. + * @since 1.8 + */ +function elgg_get_page_owner() { + $guid = elgg_get_page_owner_guid(); + if ($guid > 0) { + return get_entity($guid); } - return 0; + return FALSE; } /** - * Gets the page owner for the current page. - * @uses $CONFIG - * @return ElggUser|false The current page owner (false if none). + * @deprecated 1.8 Use elgg_get_page_owner() */ function page_owner_entity() { - global $CONFIG; - $page_owner = page_owner(); - if ($page_owner > 0) { - return get_entity($page_owner); - } - - return false; + elgg_deprecated_notice('page_owner_entity() was deprecated by elgg_get_page_owner().', 1.8); + return elgg_get_page_owner(); } /** - * Adds a page owner handler - a function that will - * return the page owner if required - * (Such functions are required to return false if they don't know) - * @uses $CONFIG - * @param string $functionname The name of the function to call - * @return mixed The guid of the owner or false + * Set the guid of the entity that owns this page + * @param int $guid + * @since 1.8 */ +function elgg_set_page_owner_guid($guid) { + elgg_get_page_owner_guid($guid); +} + +/** + * @deprecated 1.8 Use the 'page_owner', 'system' plugin hook + */ function add_page_owner_handler($functionname) { - global $CONFIG; - if (empty($CONFIG->page_owner_handlers)) { - $CONFIG->page_owner_handlers = array(); - } - if (is_callable($functionname)) { - $CONFIG->page_owner_handlers[] = $functionname; - } + elgg_deprecated_notice("add_page_owner_handler() was deprecated by the plugin hook 'page_owner', 'system'.", 1.8); } /** - * Allows a page to manually set a page owner - * - * @param int $entitytoset The GUID of the page owner - * @return int|false Either the page owner we've just set, or false if unset + * @deprecated 1.8 Use elgg_set_page_owner_guid() */ function set_page_owner($entitytoset = -1) { - static $entity; - - if (!isset($entity)) { - $entity = false; - } - - if ($entitytoset > -1) { - $entity = $entitytoset; - } - - return $entity; - + elgg_deprecated_notice('set_page_owner() was deprecated by elgg_set_page_owner_guid().', 1.8); + elgg_set_page_owner_guid($entitytoset); } /** @@ -167,3 +122,40 @@ function get_context() { } return "main"; } + +function default_page_owner_handler($hook, $entity_type, $returnvalue, $params) { + + if ($returnvalue) { + return $returnvalue; + } + + $username = get_input("username"); + if ($username) { + if (substr_count($username, 'group:')) { + preg_match('/group\:([0-9]+)/i', $username, $matches); + $guid = $matches[1]; + if ($entity = get_entity($guid)) { + return $entity->getGUID(); + } + } + + if ($user = get_user_by_username($username)) { + return $user->getGUID(); + } + } + + $owner = get_input("owner_guid"); + if ($owner) { + if ($user = get_entity($owner)) { + return $user->getGUID(); + } + } + + return $returnvalue; +} + +function page_owner_init() { + register_plugin_hook('page_owner', 'system', 'default_page_owner_handler'); +} + +register_elgg_event_handler('init', 'system', 'page_owner_init');
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