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PHP Class SimpleSAML_Auth_State, simplesamlphp

The state must be an associative array. This class will add additional keys to this array. These keys will always start with 'SimpleSAML_Auth_State.'. It is also possible to add a restart URL to the state. If state information is lost, for example because it timed out, or the user loaded a bookmarked page, the loadState function will redirect to this URL. To use this, set $state[SimpleSAML_Auth_State::RESTART] to this URL. Both the saveState and the loadState function takes in a $stage parameter. This parameter is a security feature, and is used to prevent the user from taking a state saved one place and using it as input a different place. The $stage parameter must be a unique string. To maintain uniqueness, it must be on the form "." or ":". There is also support for passing exceptions through the state. By defining an exception handler when creating the state array, users of the state array can call throwException with the state and the exception. This exception will be passed to the handler defined by the EXCEPTION_HANDLER_URL or EXCEPTION_HANDLER_FUNC elements of the state array.

Author: Olav Morken, UNINETT AS.

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Méthodes publiques

Méthode	Description
cloneState ( array $state ) : array	Clone the state.
deleteState ( &$state )	Delete state.
getPersistentAuthData ( array $state ) : array	Get the persistent authentication state from the state array.
getStateId ( &$state, boolean $rawId = false ) : string	Retrieve the ID of a state array.
loadExceptionState ( string | null $id = null ) : array | null	Retrieve an exception state.
loadState ( string $id, string $stage, boolean $allowMissing = false ) : array | null	Retrieve saved state.
parseStateID ( string $stateId ) : array	Get the ID and (optionally) a URL embedded in a StateID, in the form 'id:url'.
saveState ( &$state, string $stage, boolean $rawId = false ) : string	Save the state.
throwException ( array $state, SimpleSAML_Error_Exception $exception )	Throw exception to the state exception handler.

Private Methods

Méthode	Description
getStateTimeout ( ) : integer	Retrieve state timeout.

Method Details

cloneState() public static méthode

This function clones and returns the new cloned state.

public static cloneState ( array $state ) : array
$state	array	The original request state.
Résultat	array	Cloned state data.

deleteState() public static méthode

This function deletes the given state to prevent the user from reusing it later.

public static deleteState ( &$state )

getPersistentAuthData() public static méthode

Get the persistent authentication state from the state array.

public static getPersistentAuthData ( array $state ) : array
$state	array	The state array to analyze.
Résultat	array	The persistent authentication state.

getStateId() public static méthode

Note that this function will not save the state.

public static getStateId ( &$state, boolean $rawId = false ) : string
$rawId	boolean	Return a raw ID, without a restart URL. Defaults to FALSE.
Résultat	string	Identifier which can be used to retrieve the state later.

loadExceptionState() public static méthode

Retrieve an exception state.

public static loadExceptionState ( string | null $id = null ) : array | null
$id	string | null	The exception id. Can be NULL, in which case it will be retrieved from the request.
Résultat	array | null	The state array with the exception, or NULL if no exception was thrown.

loadState() public static méthode

This function retrieves saved state information. If the state information has been lost, it will attempt to restart the request by calling the restart URL which is embedded in the state information. If there is no restart information available, an exception will be thrown.

public static loadState ( string $id, string $stage, boolean $allowMissing = false ) : array | null
$id	string	State identifier (with embedded restart information).
$stage	string	The stage the state should have been saved in.
$allowMissing	boolean	Whether to allow the state to be missing.
Résultat	array | null	State information, or null if the state is missing and $allowMissing is true.

parseStateID() public static méthode

Get the ID and (optionally) a URL embedded in a StateID, in the form 'id:url'.

Author: Andreas Solberg, UNINETT AS ([email protected])

Author: Jaime Perez, UNINETT AS ([email protected])

public static parseStateID ( string $stateId ) : array
$stateId	string	The state ID to use.
Résultat	array	A hashed array with the ID and the URL (if any), in the 'id' and 'url' keys, respectively. If there's no URL in the input parameter, NULL will be returned as the value for the 'url' key.

saveState() public static méthode

This function saves the state, and returns an id which can be used to retrieve it later. It will also update the $state array with the identifier.

public static saveState ( &$state, string $stage, boolean $rawId = false ) : string
$stage	string	The current stage in the login process.
$rawId	boolean	Return a raw ID, without a restart URL.
Résultat	string	Identifier which can be used to retrieve the state later.

throwException() public static méthode

Throw exception to the state exception handler.

public static throwException ( array $state, SimpleSAML_Error_Exception $exception )
$state	array	The state array.
$exception	SimpleSAML_Error_Exception	The exception.