From a8d7ea23f8868aa70dd6fe87482e3b860e0b615f Mon Sep 17 00:00:00 2001
From: ben <ben@36083f99-b078-4883-b0ff-0f9b5a30f544>
Date: Wed, 4 Feb 2009 13:05:44 +0000
Subject: 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
---
 engine/lib/system_log.php | 504 +++++++++++++++++++++++-----------------------
 1 file changed, 252 insertions(+), 252 deletions(-)

(limited to 'engine/lib/system_log.php')

diff --git a/engine/lib/system_log.php b/engine/lib/system_log.php
index fa4117dbd..b500c573b 100644
--- a/engine/lib/system_log.php
+++ b/engine/lib/system_log.php
@@ -1,115 +1,115 @@
-<?php
-	/**
-	 * Elgg system log.
-	 * Listens to events and writes crud events into the system log database.
-	 * 
-	 * @package Elgg
-	 * @subpackage Core
-	 * @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
-	 * @author Curverider Ltd
-	 * @copyright Curverider Ltd 2008-2009
-	 * @link http://elgg.org/
-	 */
-
-	/**
-	 * Interface that provides an interface which must be implemented by all objects wishing to be 
-	 * recorded in the system log (and by extension the river).
-	 * 
-	 * This interface defines a set of methods that permit the system log functions to hook in and retrieve
-	 * the necessary information and to identify what events can actually be logged.
-	 * 
-	 * To have events involving your object to be logged simply implement this interface.
-	 * 
-	 * @author Curverider Ltd
-	 */
-	interface Loggable 
-	{
-		/**
-		 * Return an identification for the object for storage in the system log. 
-		 * This id must be an integer.
-		 * 
-		 * @return int 
-		 */
-		public function getSystemLogID();
-		
-		/**
-		 * Return the class name of the object. 
-		 * Added as a function because get_class causes errors for some reason.
-		 */
-		public function getClassName();
-		
-		/**
-		 * Return the type of the object - eg. object, group, user, relationship, metadata, annotation etc
-		 */
-		public function getType();
-		
-		/**
-		 * Return a subtype. For metadata & annotations this is the 'name' and for relationship this is the relationship type.
-		 */
-		public function getSubtype();
-		
-		/**
-		 * For a given ID, return the object associated with it.
-		 * This is used by the river functionality primarily.
-		 * This is useful for checking access permissions etc on objects.
-		 */
-		public function getObjectFromID($id);
-		
-		/**
-		 * Return the GUID of the owner of this object.
-		 */
-		public function getObjectOwnerGUID();
-	}
-	
-	/**
-	 * Retrieve the system log based on a number of parameters.
-	 * 
-	 * @param int $by_user The user who initiated the event.
-	 * @param string $event The event you are searching on.
-	 * @param string $class The class of object it effects.
-	 * @param string $type The type
-	 * @param string $subtype The subtype.
-	 * @param int $limit Maximum number of responses to return.
-	 * @param int $offset Offset of where to start.
-	 * @param bool $count Return count or not
-	 */
-	function get_system_log($by_user = "", $event = "", $class = "", $type = "", $subtype = "", $limit = 10, $offset = 0, $count = false, $timebefore = 0, $timeafter = 0, $object_id = 0)
-	{
-		global $CONFIG;
-		
+<?php
+	/**
+	 * Elgg system log.
+	 * Listens to events and writes crud events into the system log database.
+	 * 
+	 * @package Elgg
+	 * @subpackage Core
+	 * @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
+	 * @author Curverider Ltd
+	 * @copyright Curverider Ltd 2008-2009
+	 * @link http://elgg.org/
+	 */
+
+	/**
+	 * Interface that provides an interface which must be implemented by all objects wishing to be 
+	 * recorded in the system log (and by extension the river).
+	 * 
+	 * This interface defines a set of methods that permit the system log functions to hook in and retrieve
+	 * the necessary information and to identify what events can actually be logged.
+	 * 
+	 * To have events involving your object to be logged simply implement this interface.
+	 * 
+	 * @author Curverider Ltd
+	 */
+	interface Loggable 
+	{
+		/**
+		 * Return an identification for the object for storage in the system log. 
+		 * This id must be an integer.
+		 * 
+		 * @return int 
+		 */
+		public function getSystemLogID();
+		
+		/**
+		 * Return the class name of the object. 
+		 * Added as a function because get_class causes errors for some reason.
+		 */
+		public function getClassName();
+		
+		/**
+		 * Return the type of the object - eg. object, group, user, relationship, metadata, annotation etc
+		 */
+		public function getType();
+		
+		/**
+		 * Return a subtype. For metadata & annotations this is the 'name' and for relationship this is the relationship type.
+		 */
+		public function getSubtype();
+		
+		/**
+		 * For a given ID, return the object associated with it.
+		 * This is used by the river functionality primarily.
+		 * This is useful for checking access permissions etc on objects.
+		 */
+		public function getObjectFromID($id);
+		
+		/**
+		 * Return the GUID of the owner of this object.
+		 */
+		public function getObjectOwnerGUID();
+	}
+	
+	/**
+	 * Retrieve the system log based on a number of parameters.
+	 * 
+	 * @param int $by_user The user who initiated the event.
+	 * @param string $event The event you are searching on.
+	 * @param string $class The class of object it effects.
+	 * @param string $type The type
+	 * @param string $subtype The subtype.
+	 * @param int $limit Maximum number of responses to return.
+	 * @param int $offset Offset of where to start.
+	 * @param bool $count Return count or not
+	 */
+	function get_system_log($by_user = "", $event = "", $class = "", $type = "", $subtype = "", $limit = 10, $offset = 0, $count = false, $timebefore = 0, $timeafter = 0, $object_id = 0)
+	{
+		global $CONFIG;
+		
 		$by_user_orig = $by_user;
 		if (is_array($by_user) && sizeof($by_user) > 0) {
 			foreach($by_user as $key => $val) {
 				$by_user[$key] = (int) $val;
 			}
-		} else {
+		} else {
 			$by_user = (int)$by_user;
-		}
-		$event = sanitise_string($event);
-		$class = sanitise_string($class);
-		$type = sanitise_string($type);
-		$subtype = sanitise_string($subtype);
-		$limit = (int)$limit;
-		$offset = (int)$offset;
-		
-		$where = array();
-		
-		if ($by_user_orig!=="")
-		{
-			if (is_int($by_user)) {
+		}
+		$event = sanitise_string($event);
+		$class = sanitise_string($class);
+		$type = sanitise_string($type);
+		$subtype = sanitise_string($subtype);
+		$limit = (int)$limit;
+		$offset = (int)$offset;
+		
+		$where = array();
+		
+		if ($by_user_orig!=="")
+		{
+			if (is_int($by_user)) {
 				$where[] = "performed_by_guid=$by_user";
 			} else if (is_array($by_user)) {
 				$where [] = "performed_by_guid in (". implode(",",$by_user) .")";
-			} 
-		}
-		if ($event != "")
-			$where[] = "event='$event'";
-		if ($class!=="")
-			$where[] = "object_class='$class'";
-		if ($type != "")
-			$where[] = "object_type='$type'";
-		if ($subtype!=="")
-			$where[] = "object_subtype='$subtype'";
+			} 
+		}
+		if ($event != "")
+			$where[] = "event='$event'";
+		if ($class!=="")
+			$where[] = "object_class='$class'";
+		if ($type != "")
+			$where[] = "object_type='$type'";
+		if ($subtype!=="")
+			$where[] = "object_subtype='$subtype'";
 			
 		if ($timebefore)
 			$where[] = "time_created < " . ((int) $timebefore);
@@ -117,164 +117,164 @@
 			$where[] = "time_created > " . ((int) $timeafter);
 		if ($object_id)
 			$where[] = "object_id = " . ((int) $object_id); 
-			
-		$select = "*";
-		if ($count) $select = "count(*) as count";
-		$query = "SELECT $select from {$CONFIG->dbprefix}system_log where 1 ";
-		foreach ($where as $w)
-			$query .= " and $w";
-		
-		if (!$count)
-		{
-			$query .= " order by time_created desc";
-			$query .= " limit $offset, $limit"; // Add order and limit
-		}
-	
-		if ($count)
-		{
-			if ($numrows = get_data_row($query))
-				return $numrows->count;
-		}
-		else
-			return get_data($query);
-			
-		return false;
-	}
-	
-	/**
-	 * Return a specific log entry.
-	 *
-	 * @param int $entry_id The log entry
-	 */
-	function get_log_entry($entry_id)
-	{
-		global $CONFIG;
-		
-		$entry_id = (int)$entry_id;
-		
-		return get_data_row("SELECT * from {$CONFIG->dbprefix}system_log where id=$entry_id");
-	}
-	
-	/**
-	 * Return the object referred to by a given log entry
-	 *
-	 * @param int $entry_id The log entry
-	 */
-	function get_object_from_log_entry($entry_id)
-	{
-		$entry = get_log_entry($entry_id);
-		
-		if ($entry)
-		{
-			$class = $entry->object_class;
-			$tmp = new $class();
-			$object = $tmp->getObjectFromID($entry->object_id);
-			
-			if ($object)
-				return $object;
-		}
-		
-		return false;
-	}
-	
-	/**
-	 * Log a system event related to a specific object.
-	 * 
-	 * This is called by the event system and should not be called directly.
-	 * 
-	 * @param $object The object you're talking about.
-	 * @param $event String The event being logged
-	 */
-	function system_log($object, $event)
-	{
+			
+		$select = "*";
+		if ($count) $select = "count(*) as count";
+		$query = "SELECT $select from {$CONFIG->dbprefix}system_log where 1 ";
+		foreach ($where as $w)
+			$query .= " and $w";
+		
+		if (!$count)
+		{
+			$query .= " order by time_created desc";
+			$query .= " limit $offset, $limit"; // Add order and limit
+		}
+	
+		if ($count)
+		{
+			if ($numrows = get_data_row($query))
+				return $numrows->count;
+		}
+		else
+			return get_data($query);
+			
+		return false;
+	}
+	
+	/**
+	 * Return a specific log entry.
+	 *
+	 * @param int $entry_id The log entry
+	 */
+	function get_log_entry($entry_id)
+	{
+		global $CONFIG;
+		
+		$entry_id = (int)$entry_id;
+		
+		return get_data_row("SELECT * from {$CONFIG->dbprefix}system_log where id=$entry_id");
+	}
+	
+	/**
+	 * Return the object referred to by a given log entry
+	 *
+	 * @param int $entry_id The log entry
+	 */
+	function get_object_from_log_entry($entry_id)
+	{
+		$entry = get_log_entry($entry_id);
+		
+		if ($entry)
+		{
+			$class = $entry->object_class;
+			$tmp = new $class();
+			$object = $tmp->getObjectFromID($entry->object_id);
+			
+			if ($object)
+				return $object;
+		}
+		
+		return false;
+	}
+	
+	/**
+	 * Log a system event related to a specific object.
+	 * 
+	 * This is called by the event system and should not be called directly.
+	 * 
+	 * @param $object The object you're talking about.
+	 * @param $event String The event being logged
+	 */
+	function system_log($object, $event)
+	{
 		global $CONFIG;
-		static $logcache;
-
-		if ($object instanceof Loggable)
+		static $logcache;
+
+		if ($object instanceof Loggable)
 		{
 			
 			if (!is_array($logcache)) $logcache = array();
-			
-			// Has loggable interface, extract the necessary information and store
-			$object_id = (int)$object->getSystemLogID();
-			$object_class = $object->getClassName();
-			$object_type = $object->getType();
-			$object_subtype = $object->getSubtype();
-			$event = sanitise_string($event);
-			$time = time();
-			$performed_by = (int)$_SESSION['guid'];
-			
-			if (isset($object->access_id))
-				$access_id = $object->access_id;
-			else
-				$access_id = 2;
-			if (isset($object->enabled))
-				$enabled = $object->enabled;
-			else
-				$enabled = 'yes';
-				
-			if (isset($object->owner_guid))
-				$owner_guid = $object->owner_guid;
-			else
-				$owner_guid = 0;
-			
+			
+			// Has loggable interface, extract the necessary information and store
+			$object_id = (int)$object->getSystemLogID();
+			$object_class = $object->getClassName();
+			$object_type = $object->getType();
+			$object_subtype = $object->getSubtype();
+			$event = sanitise_string($event);
+			$time = time();
+			$performed_by = (int)$_SESSION['guid'];
+			
+			if (isset($object->access_id))
+				$access_id = $object->access_id;
+			else
+				$access_id = ACCESS_PUBLIC;
+			if (isset($object->enabled))
+				$enabled = $object->enabled;
+			else
+				$enabled = 'yes';
+				
+			if (isset($object->owner_guid))
+				$owner_guid = $object->owner_guid;
+			else
+				$owner_guid = 0;
+			
 			// Create log if we haven't already created it
-			if (!isset($logcache[$time][$object_id][$event])) {
+			if (!isset($logcache[$time][$object_id][$event])) {
 				insert_data("INSERT DELAYED into {$CONFIG->dbprefix}system_log (object_id, object_class, object_type, object_subtype, event, performed_by_guid, owner_guid, access_id, enabled, time_created) VALUES ('$object_id','$object_class','$object_type', '$object_subtype', '$event',$performed_by, $owner_guid, $access_id, '$enabled', '$time')");
-					
+					
 				$logcache[$time][$object_id][$event] = true;	
 			}
 			
 			return true;
-			
-		}
-	}
-	
-	/**
-	 * This function creates an archive copy of the system log.
-	 * 
-	 * @param int $offset An offset in seconds from now to archive (useful for log rotation)
-	 */
-	function archive_log($offset = 0)
-	{
-		global $CONFIG;
-		
-		$offset = (int)$offset;
-		$now = time(); // Take a snapshot of now
-		
-		$ts = $now - $offset;
-	
-		// create table
-		if (!update_data("CREATE TABLE {$CONFIG->dbprefix}system_log_$now as SELECT * from {$CONFIG->dbprefix}system_log WHERE time_created<=$ts"))
-			return false;
-
-		// alter table to engine
-		if (!update_data("ALTER TABLE {$CONFIG->dbprefix}system_log_$now engine=archive"))
-			return false;
-	
-		// delete
-		if (delete_data("DELETE from {$CONFIG->dbprefix}system_log WHERE id in (select id from {$CONFIG->dbprefix}system_log_$now)")===false) // Don't delete on time since we are running in a concurrent environment
-			return false;
-	
-		return true;
-	}
-	
-	/**
-	 * System log listener.
-	 * This function listens to all events in the system and logs anything appropriate.
-	 *
-	 * @param String $event
-	 * @param String $object_type
-	 * @param mixed $object
-	 */
-	function system_log_listener($event, $object_type, $object)
-	{
-		system_log($object, $event);
-		
-		return true;
-	}
-	
-	/** Register event to listen to all events **/
+			
+		}
+	}
+	
+	/**
+	 * This function creates an archive copy of the system log.
+	 * 
+	 * @param int $offset An offset in seconds from now to archive (useful for log rotation)
+	 */
+	function archive_log($offset = 0)
+	{
+		global $CONFIG;
+		
+		$offset = (int)$offset;
+		$now = time(); // Take a snapshot of now
+		
+		$ts = $now - $offset;
+	
+		// create table
+		if (!update_data("CREATE TABLE {$CONFIG->dbprefix}system_log_$now as SELECT * from {$CONFIG->dbprefix}system_log WHERE time_created<=$ts"))
+			return false;
+
+		// alter table to engine
+		if (!update_data("ALTER TABLE {$CONFIG->dbprefix}system_log_$now engine=archive"))
+			return false;
+	
+		// delete
+		if (delete_data("DELETE from {$CONFIG->dbprefix}system_log WHERE id in (select id from {$CONFIG->dbprefix}system_log_$now)")===false) // Don't delete on time since we are running in a concurrent environment
+			return false;
+	
+		return true;
+	}
+	
+	/**
+	 * System log listener.
+	 * This function listens to all events in the system and logs anything appropriate.
+	 *
+	 * @param String $event
+	 * @param String $object_type
+	 * @param mixed $object
+	 */
+	function system_log_listener($event, $object_type, $object)
+	{
+		system_log($object, $event);
+		
+		return true;
+	}
+	
+	/** Register event to listen to all events **/
 	register_elgg_event_handler('all','all','system_log_listener', 400);
-	
+	
 ?>
\ No newline at end of file
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