Class ilObjContentObjectAccess. More...

Inheritance diagram for ilObjContentObjectAccess:

Collaboration diagram for ilObjContentObjectAccess:

Public Member Functions

__construct ()

Constructor. More...

_checkAccess ($a_cmd, $a_permission, $a_ref_id, $a_obj_id, $a_user_id="")

checks wether a user may invoke a command or not (this method is called by ilAccessHandler::checkAccess) More...

Public Member Functions inherited from ilObjectAccess

_checkAccess ($a_cmd, $a_permission, $a_ref_id, $a_obj_id, $a_user_id="")

Checks wether a user may invoke a command or not (this method is called by ilAccessHandler::checkAccess) More...

_checkCondition ($a_obj_id, $a_operator, $a_value, $a_usr_id)

check condition More...

canBeDelivered (ilWACPath $ilWACPath)

Parameters

ilWACPath $ilWACPath

Returns: bool

More...

Static Public Member Functions
static	_getLastAccessedPage ($a_ref_id, $a_user_id="")
	get last accessed page More...

static	_checkGoto ($a_target)
	check whether goto script will succeed More...

static	_preloadData ($a_obj_ids, $a_ref_ids)
	Preload data. More...

Static Public Member Functions inherited from ilObjectAccess
static	_getCommands ()
	get commands More...

static	_checkGoto ($a_target)
	check whether goto script will succeed More...

static	_isOffline ($a_obj_id)
	Type-specific implementation of general status, has to be overwritten if object type does not support centralized offline handling. More...

static	_preloadData ($a_obj_ids, $a_ref_ids)
	Preload data. More...

Static Public Attributes
static	$lo_access

Protected Attributes
	$user

	$lng

	$rbacsystem

	$access

Detailed Description

Class ilObjContentObjectAccess.

Author: Alex Killing alex..nosp@m.kill.nosp@m.ing@g.nosp@m.mx.d.nosp@m.e

Version: $Id$

Definition at line 15 of file class.ilObjContentObjectAccess.php.

Constructor & Destructor Documentation

◆ __construct()

ilObjContentObjectAccess::__construct ( )

Constructor.

Definition at line 41 of file class.ilObjContentObjectAccess.php.

References $DIC, and user().

     {
         global $DIC;
 
         $this->user = $DIC->user();
         $this->lng = $DIC->language();
         $this->rbacsystem = $DIC->rbac()->system();
         $this->access = $DIC->access();
     }

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Member Function Documentation

◆ _checkAccess()

ilObjContentObjectAccess::_checkAccess	(	$a_cmd,
		$a_permission,
		$a_ref_id,
		$a_obj_id,
		$a_user_id = `""`
	)

checks wether a user may invoke a command or not (this method is called by ilAccessHandler::checkAccess)

Parameters

string	$a_cmd	command (not permission!)
string	$a_permission	permission
int	$a_ref_id	reference id
int	$a_obj_id	object id
int	$a_user_id	user id (if not provided, current user is taken)

Returns: boolean true, if everything is ok

Definition at line 65 of file class.ilObjContentObjectAccess.php.

References $access, $ilUser, $lng, $rbacsystem, $user, IL_STATUS_MESSAGE, and ilObject\lookupOfflineStatus().

     {
         $ilUser = $this->user;
         $lng = $this->lng;
         $rbacsystem = $this->rbacsystem;
         $ilAccess = $this->access;
 
         if ($a_user_id == "") {
             $a_user_id = $ilUser->getId();
         }
 
         switch ($a_cmd) {
             case "continue":
 
                 // continue is now default and works all the time
                 // see ilLMPresentationGUI::resume()
                 /*
                 if ($ilUser->getId() == ANONYMOUS_USER_ID)
                 {
                     $ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("lm_no_continue_for_anonym"));
                     return false;
                 }
                 if (ilObjContentObjectAccess::_getLastAccessedPage($a_ref_id,$a_user_id) <= 0)
                 {
                     $ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("not_accessed_yet"));
                     return false;
                 }
                 */
                 break;
                 
             // for permission query feature
             case "info":
                 if (!ilObject::lookupOfflineStatus($a_obj_id)) {
                     $ilAccess->addInfoItem(IL_STATUS_MESSAGE, $lng->txt("online"));
                 }
                 break;
 
         }
 
         return true;
     }

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◆ _checkGoto()

static ilObjContentObjectAccess::_checkGoto ( $a_target )

static

check whether goto script will succeed

Definition at line 156 of file class.ilObjContentObjectAccess.php.

References $DIC, ilObject\_getAllReferences(), and ilLMObject\_lookupContObjID().

     {
         global $DIC;
 
         $ilAccess = $DIC->access();
         
         $t_arr = explode("_", $a_target);
 
         if (($t_arr[0] != "lm" && $t_arr[0] != "st"
             && $t_arr[0] != "pg")
             || ((int) $t_arr[1]) <= 0) {
             return false;
         }
 
         if ($t_arr[0] == "lm") {
             if ($ilAccess->checkAccess("read", "", $t_arr[1]) ||
                 $ilAccess->checkAccess("visible", "", $t_arr[1])) {
                 return true;
             }
         } else {
             if ($t_arr[2] > 0) {
                 $ref_ids = array($t_arr[2]);
             } else {
                 // determine learning object
                 $lm_id = ilLMObject::_lookupContObjID($t_arr[1]);
                 $ref_ids = ilObject::_getAllReferences($lm_id);
             }
             // check read permissions
             foreach ($ref_ids as $ref_id) {
                 // Permission check
                 if ($ilAccess->checkAccess("read", "", $ref_id)) {
                     return true;
                 }
             }
         }
         return false;
     }

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◆ _getLastAccessedPage()

static ilObjContentObjectAccess::_getLastAccessedPage	(	$a_ref_id,
		$a_user_id = `""`
	)

static

get last accessed page

Parameters

int	$a_obj_id	content object id
int	$a_user_id	user object id

Definition at line 118 of file class.ilObjContentObjectAccess.php.

References $DIC, $ilDB, $ilUser, and ilObject\_lookupObjId().

Referenced by ilLMNavigationStatus\determineStatus().

     {
         global $DIC;
 
         $ilDB = $DIC->database();
         $ilUser = $DIC->user();
         
         if ($a_user_id == "") {
             $a_user_id = $ilUser->getId();
         }
 
         if (isset(self::$lo_access[$a_ref_id])) {
             $acc_rec["obj_id"] = self::$lo_access[$a_ref_id];
         } else {
             $q = "SELECT * FROM lo_access WHERE " .
                 "usr_id = " . $ilDB->quote($a_user_id, "integer") . " AND " .
                 "lm_id = " . $ilDB->quote($a_ref_id, "integer");
     
             $acc_set = $ilDB->query($q);
             $acc_rec = $ilDB->fetchAssoc($acc_set);
         }
         
         if ($acc_rec["obj_id"] > 0) {
             $lm_id = ilObject::_lookupObjId($a_ref_id);
             $mtree = new ilTree($lm_id);
             $mtree->setTableNames('lm_tree', 'lm_data');
             $mtree->setTreeTablePK("lm_id");
             if ($mtree->isInTree($acc_rec["obj_id"])) {
                 return $acc_rec["obj_id"];
             }
         }
         
         return 0;
     }

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◆ _preloadData()

static ilObjContentObjectAccess::_preloadData	(	$a_obj_ids,
		$a_ref_ids
	)

static

Preload data.

Parameters

array $a_obj_ids array of object ids

Definition at line 199 of file class.ilObjContentObjectAccess.php.

References $DIC, $ilDB, and $ilUser.

     {
         global $DIC;
 
         $ilDB = $DIC->database();
         $ilUser = $DIC->user();
         
         $q = "SELECT obj_id, lm_id FROM lo_access WHERE " .
             "usr_id = " . $ilDB->quote($ilUser->getId(), "integer") . " AND " .
             $ilDB->in("lm_id", $a_ref_ids, false, "integer");
         ;
         $set = $ilDB->query($q);
         foreach ($a_ref_ids as $r) {
             self::$lo_access[$r] = 0;
         }
         while ($rec = $ilDB->fetchAssoc($set)) {
             self::$lo_access[$rec["lm_id"]] = $rec["obj_id"];
         }
     }