ilClaimingPermissionHelper Class Reference

Claiming permission helper base class. More...

Inheritance diagram for ilClaimingPermissionHelper:

Collaboration diagram for ilClaimingPermissionHelper:

Public Member Functions
	reset ()
	Reset (internal caches)
	hasPermission ($a_context_type, $a_context_id, $a_action_id, $a_action_sub_id=null)
	Check permission.
	hasPermissions ($a_context_type, $a_context_id, array $a_action_ids)
	Check permissions.

Static Public Member Functions
static	getInstance ($a_user_id=null, $a_ref_id=null)
	Factory.

Protected Member Functions
	__construct ($a_user_id, $a_ref_id)
	Constructor.
	setUserId ($a_value)
	Set user id.
	getUserId ()
	Get user id.
	setRefId ($a_value)
	Set ref id.
	getRefId ()
	Get ref id.
	readContextIds ($a_context_type)
	Get all context ids for context type (from DB, is cached)
	buildPermissionMap ()
	Build map of context and actions.
	isValidContextAndAction ($a_context_type, $a_context_id, $a_action_id, $a_action_sub_id=null)
	Check if given combination of context and action is valid.
	getValidContextIds ($a_context_type)
	Get context ids for context type (uses cache)
	checkPermission ($a_context_type, $a_context_id, $a_action_id, $a_action_sub_id=null)
	Check permission (helper: rbac, plugins)
	checkRBAC ()
	Check permission against RBAC.
	getActivePlugins ()
	Get active plugins (for current slot)
	checkPlugins ($a_context_type, $a_context_id, $a_action_id, $a_action_sub_id=null)
	Check permission against plugins.

Protected Attributes
	$user_id
	$ref_id
	$map
	$context_ids
	$plugins

Static Protected Attributes
static	$instances

Detailed Description

Claiming permission helper base class.

Author

Jörg Lützenkirchen luetz.nosp@m.enki.nosp@m.rchen.nosp@m.@lei.nosp@m.fos.c.nosp@m.om

Version

$Id$

Definition at line 12 of file class.ilClaimingPermissionHelper.php.

Constructor & Destructor Documentation

ilClaimingPermissionHelper::__construct (   $a_user_id,   $a_ref_id  )

protected

Constructor.

Parameters

int	$a_user_id
int	$a_ref_id

Returns

self

Definition at line 32 of file class.ilClaimingPermissionHelper.php.

References buildPermissionMap(), reset(), setRefId(), and setUserId().

        {               
                $this->setUserId($a_user_id);
                $this->setRefId($a_ref_id);
                $this->map = $this->buildPermissionMap();
                $this->reset();
        }

Here is the call graph for this function:

Member Function Documentation

ilClaimingPermissionHelper::buildPermissionMap ( )

abstractprotected

Build map of context and actions.

Returns

array

Reimplemented in ilAdvancedMDPermissionHelper, and ilUDFPermissionHelper.

Referenced by __construct().

Here is the caller graph for this function:

ilClaimingPermissionHelper::checkPermission (   $a_context_type,   $a_context_id,   $a_action_id,   $a_action_sub_id = null  )

protected

Check permission (helper: rbac, plugins)

Parameters

int	$a_context_type
int	$a_context_id
int	$a_action_id
int	$a_action_sub_id

Returns

bool

Definition at line 259 of file class.ilClaimingPermissionHelper.php.

References checkPlugins(), and checkRBAC().

Referenced by hasPermission().

        {               
                return ($this->checkRBAC() && 
                        $this->checkPlugins($a_context_type, $a_context_id, $a_action_id, $a_action_sub_id));
        }

Here is the call graph for this function:

Here is the caller graph for this function:

ilClaimingPermissionHelper::checkPlugins (   $a_context_type,   $a_context_id,   $a_action_id,   $a_action_sub_id = null  )

protected

Check permission against plugins.

Parameters

int	$a_context_type
int	$a_context_id
int	$a_action_id
int	$a_action_sub_id

Returns

boolean

Definition at line 294 of file class.ilClaimingPermissionHelper.php.

References $valid, and getActivePlugins().

Referenced by checkPermission().

        {               
                $valid = true;
                
                if(!is_array($this->plugins))
                {
                        $this->plugins = (array)$this->getActivePlugins();      
                }
                
                foreach($this->plugins as $plugin)
                {               
                        if(!$plugin->checkPermission($this->getUserId(), $a_context_type, $a_context_id, $a_action_id, $a_action_sub_id))
                        {                       
                                $valid = false;
                                break;
                        }
                }               
                
                return $valid;           
        }               

Here is the call graph for this function:

Here is the caller graph for this function:

ilClaimingPermissionHelper::checkRBAC ( )

protected

Check permission against RBAC.

Returns

bool

Definition at line 270 of file class.ilClaimingPermissionHelper.php.

References getRefId(), and getUserId().

Referenced by checkPermission().

        {
                global $ilAccess;
                
                // we are currently only supporting write operations
                return $ilAccess->checkAccessOfUser($this->getUserId(), "write", "", $this->getRefId());                
        }

Here is the call graph for this function:

Here is the caller graph for this function:

ilClaimingPermissionHelper::getActivePlugins ( )

abstractprotected

Get active plugins (for current slot)

Returns

array ilPlugin

Reimplemented in ilAdvancedMDPermissionHelper, and ilUDFPermissionHelper.

Referenced by checkPlugins().

Here is the caller graph for this function:

static ilClaimingPermissionHelper::getInstance (   $a_user_id = null,   $a_ref_id = null  )

static

Factory.

Parameters

int	$a_user_id
int	$a_ref_id

Returns

self

Definition at line 47 of file class.ilClaimingPermissionHelper.php.

References $_REQUEST, and $ilUser.

Referenced by ilCustomUserFieldsGUI\__construct(), and ilAdvancedMDSettingsGUI\__construct().

        {
                global $ilUser;
                
                if(!$a_user_id)
                {
                        $a_user_id = $ilUser->getId();
                }       
                if(!$a_ref_id)
                {
                        $a_ref_id = (int)$_REQUEST["ref_id"];
                }       
                if(!isset(self::$instances[$a_user_id][$a_ref_id]))
                {
                        self::$instances[$a_user_id][$a_ref_id] = new static($a_user_id, $a_ref_id);
                }
                return self::$instances[$a_user_id][$a_ref_id];
        }

Here is the caller graph for this function:

ilClaimingPermissionHelper::getRefId ( )

protected

Get ref id.

Returns

int

Definition at line 112 of file class.ilClaimingPermissionHelper.php.

References $ref_id.

Referenced by checkRBAC().

        {
                return $this->ref_id;
        }

Here is the caller graph for this function:

ilClaimingPermissionHelper::getUserId ( )

protected

Get user id.

Returns

int

Definition at line 92 of file class.ilClaimingPermissionHelper.php.

References $user_id.

Referenced by checkRBAC().

        {
                return $this->user_id;
        }

Here is the caller graph for this function:

ilClaimingPermissionHelper::getValidContextIds (   $a_context_type )

protected

Get context ids for context type (uses cache)

See Also

self::readContextIds()

Parameters

int

$a_context_type

Returns

array

Definition at line 193 of file class.ilClaimingPermissionHelper.php.

References readContextIds().

Referenced by isValidContextAndAction().

        {
                if(!array_key_exists($a_context_type, $this->context_ids))
                {
                        $this->context_ids[$a_context_type] = $this->readContextIds($a_context_type);                   
                }       
                return (array)$this->context_ids[$a_context_type];
        }

Here is the call graph for this function:

Here is the caller graph for this function:

ilClaimingPermissionHelper::hasPermission	(		$a_context_type,
			$a_context_id,
			$a_action_id,
			$a_action_sub_id = null
	)

Check permission.

Parameters

int	$a_context_type
int	$a_context_id
int	$a_action_id
int	$a_action_sub_id

Returns

bool

Definition at line 211 of file class.ilClaimingPermissionHelper.php.

References checkPermission(), and isValidContextAndAction().

Referenced by hasPermissions(), and ilAdvancedMDFieldDefinition\importDefinitionFormPostValues().

        {
                if($this->isValidContextAndAction($a_context_type, $a_context_id, $a_action_id, $a_action_sub_id))
                {
                        return $this->checkPermission($a_context_type, $a_context_id, $a_action_id, $a_action_sub_id);
                }                       
                // :TODO: exception?
        }

Here is the call graph for this function:

Here is the caller graph for this function:

ilClaimingPermissionHelper::hasPermissions	(		$a_context_type,
			$a_context_id,
		array	$a_action_ids
	)

Check permissions.

Parameters

int	$a_context_type
int	$a_context_id
array	$a_action_ids

Returns

bool

Definition at line 228 of file class.ilClaimingPermissionHelper.php.

References $res, and hasPermission().

Referenced by ilAdvancedMDFieldDefinition\addToFieldDefinitionForm().

        {               
                $res = array();
                
                foreach($a_action_ids as $action_id)
                {                       
                        if(is_array($action_id))
                        {
                                $action_sub_id = $action_id[1];
                                $action_id = $action_id[0];
                                
                                $res[$action_id][$action_sub_id] = $this->hasPermission($a_context_type, $a_context_id, $action_id, $action_sub_id);
                        }
                        else
                        {
                                $res[$action_id] = $this->hasPermission($a_context_type, $a_context_id, $action_id);
                        }                       
                }
        
                return $res;
        }

Here is the call graph for this function:

Here is the caller graph for this function:

ilClaimingPermissionHelper::isValidContextAndAction (   $a_context_type,   $a_context_id,   $a_action_id,   $a_action_sub_id = null  )

protected

Check if given combination of context and action is valid.

Parameters

int	$a_context_type
mixed	$a_context_id
int	$a_action_id
int	$a_action_sub_id

Returns

boolean

Definition at line 148 of file class.ilClaimingPermissionHelper.php.

References $valid, and getValidContextIds().

Referenced by hasPermission().

        {       
                $valid = false;
                
                if(array_key_exists($a_context_type, $this->map))
                {
                        if(!$a_action_sub_id)
                        {
                                if(in_array($a_action_id, $this->map[$a_context_type]["actions"]))
                                {
                                        $valid = true;
                                }
                        }
                        else
                        {
                                if(array_key_exists($a_action_id, $this->map[$a_context_type]["subactions"]) &&
                                        in_array($a_action_sub_id, $this->map[$a_context_type]["subactions"][$a_action_id]))
                                {
                                        $valid = true;
                                }
                        }
                }
                
                if($valid && 
                        $a_context_id && 
                        !in_array($a_context_id, $this->getValidContextIds($a_context_type)))
                {
                        $valid = false;
                }
                
                if(DEVMODE && !$valid)
                {
                        trigger_error("INVALID permission context - ".$a_context_type.":".$a_context_id.":".$a_action_id.":".$a_action_sub_id, E_USER_WARNING);
                }
                
                return $valid;
        }

Here is the call graph for this function:

Here is the caller graph for this function:

ilClaimingPermissionHelper::readContextIds (   $a_context_type )

abstractprotected

Get all context ids for context type (from DB, is cached)

See Also

self::getValidContextIds()

Parameters

int

$a_context_type

Returns

array

Reimplemented in ilAdvancedMDPermissionHelper, and ilUDFPermissionHelper.

Referenced by getValidContextIds().

Here is the caller graph for this function:

ilClaimingPermissionHelper::reset

(

)

Reset (internal caches)

Definition at line 69 of file class.ilClaimingPermissionHelper.php.

Referenced by __construct().

        {
                $this->context_ids = array();
        }

Here is the caller graph for this function:

ilClaimingPermissionHelper::setRefId (   $a_value )

protected

Set ref id.

Parameters

int

$a_value

Definition at line 102 of file class.ilClaimingPermissionHelper.php.

Referenced by __construct().

        {
                $this->ref_id = (int)$a_value;
        }

Here is the caller graph for this function:

ilClaimingPermissionHelper::setUserId (   $a_value )

protected

Set user id.

Parameters

int

$a_value

Definition at line 82 of file class.ilClaimingPermissionHelper.php.

Referenced by __construct().

        {
                $this->user_id = (int)$a_value;
        }

Here is the caller graph for this function:

Field Documentation

ilClaimingPermissionHelper::$context_ids

protected

Definition at line 17 of file class.ilClaimingPermissionHelper.php.

ilClaimingPermissionHelper::$instances

staticprotected

Definition at line 20 of file class.ilClaimingPermissionHelper.php.

ilClaimingPermissionHelper::$map

protected

Definition at line 16 of file class.ilClaimingPermissionHelper.php.

ilClaimingPermissionHelper::$plugins

protected

Definition at line 18 of file class.ilClaimingPermissionHelper.php.

ilClaimingPermissionHelper::$ref_id

protected

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

Referenced by getRefId().

ilClaimingPermissionHelper::$user_id

protected

Definition at line 14 of file class.ilClaimingPermissionHelper.php.

Referenced by getUserId().

---

The documentation for this class was generated from the following file:

• Services/Component/classes/class.ilClaimingPermissionHelper.php