ilClaimingPermissionHelper Class Reference

Claiming permission helper base class. More...

Inheritance diagram for ilClaimingPermissionHelper:

Collaboration diagram for ilClaimingPermissionHelper:

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

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

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

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

__construct()

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();
    }

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Member Function Documentation

buildPermissionMap()

ilClaimingPermissionHelper::buildPermissionMap ( )

abstractprotected

Build map of context and actions.

Returns

array

Referenced by __construct(), and getRefId().

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checkPermission()

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 242 of file class.ilClaimingPermissionHelper.php.

References $a_context_id, $a_context_type, checkPlugins(), and checkRBAC().

Referenced by hasPermission().

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

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checkPlugins()

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 277 of file class.ilClaimingPermissionHelper.php.

References $a_context_id, $a_context_type, $valid, array, and getActivePlugins().

Referenced by ilAdvancedMDPermissionHelper\checkPermission(), and 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;
    }

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checkRBAC()

ilClaimingPermissionHelper::checkRBAC ( )

protected

Check permission against RBAC.

Returns

bool

Definition at line 253 of file class.ilClaimingPermissionHelper.php.

References getActivePlugins(), getRefId(), and getUserId().

Referenced by ilAdvancedMDPermissionHelper\checkPermission(), and checkPermission().

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

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getActivePlugins()

ilClaimingPermissionHelper::getActivePlugins ( )

abstractprotected

Get active plugins (for current slot)

Returns

array ilPlugin

Referenced by checkPlugins(), and checkRBAC().

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getInstance()

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 $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];
    }

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getRefId()

ilClaimingPermissionHelper::getRefId ( )

protected

Get ref id.

Returns

int

Definition at line 109 of file class.ilClaimingPermissionHelper.php.

References $a_context_type, $ref_id, buildPermissionMap(), and readContextIds().

Referenced by ilAdvancedMDPermissionHelper\checkPermission(), and checkRBAC().

    {
        return $this->ref_id;
    }

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getUserId()

ilClaimingPermissionHelper::getUserId ( )

protected

Get user id.

Returns

int

Definition at line 89 of file class.ilClaimingPermissionHelper.php.

References $user_id.

Referenced by ilAdvancedMDPermissionHelper\checkPermission(), and checkRBAC().

    {
        return $this->user_id;
    }

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getValidContextIds()

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 182 of file class.ilClaimingPermissionHelper.php.

References $a_context_type, array, and 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];
    }

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hasPermission()

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 199 of file class.ilClaimingPermissionHelper.php.

References $a_context_id, $a_context_type, 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?
    }

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hasPermissions()

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 215 of file class.ilClaimingPermissionHelper.php.

References $a_context_id, $a_context_type, $res, array, 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;
    }

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isValidContextAndAction()

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 145 of file class.ilClaimingPermissionHelper.php.

References $a_context_id, $a_context_type, $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;
    }

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readContextIds()

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

Referenced by getRefId(), and getValidContextIds().

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reset()

ilClaimingPermissionHelper::reset

(

)

Reset (internal caches)

Definition at line 66 of file class.ilClaimingPermissionHelper.php.

References array.

Referenced by __construct().

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

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setRefId()

ilClaimingPermissionHelper::setRefId (   $a_value )

protected

Set ref id.

Parameters

int

$a_value

Definition at line 99 of file class.ilClaimingPermissionHelper.php.

Referenced by __construct().

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

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setUserId()

ilClaimingPermissionHelper::setUserId (   $a_value )

protected

Set user id.

Parameters

int

$a_value

Definition at line 79 of file class.ilClaimingPermissionHelper.php.

Referenced by __construct().

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

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Field Documentation

$context_ids

ilClaimingPermissionHelper::$context_ids

protected

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

$instances

ilClaimingPermissionHelper::$instances

staticprotected

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

$map

ilClaimingPermissionHelper::$map

protected

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

$plugins

ilClaimingPermissionHelper::$plugins

protected

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

$ref_id

ilClaimingPermissionHelper::$ref_id

protected

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

Referenced by getRefId().

$user_id

ilClaimingPermissionHelper::$user_id

protected

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

Referenced by getUserId().

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

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