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<?php
abstract class PluggableAuth {
/**
* @since 1.0
*
* @param int &$id The user's user ID
* @param string &$username The user's user name
* @param string &$realname The user's real name
* @param string &$email The user's email address
* @param string &$errorMessage Returns a descritive message if
* there's an error
*/
abstract public function authenticate( &$id, &$username, &$realname,
&$email, &$errorMessage );
/**
* @since 1.0
*
* @param User &$user The user
*/
abstract public function deauthenticate( User &$user );
/**
* @since 1.0
*
* @param int $id The user's user ID
*/
abstract public function saveExtraAttributes( $id );
private static $instance = null;
/**
* @since 2.0
* @return PluggableAuth a PluggableAuth object
*/
public static function singleton() {
wfDebugLog( 'PluggableAuth', 'Getting PluggableAuth singleton' );
wfDebugLog( 'PluggableAuth', 'Class name: ' . $GLOBALS['wgPluggableAuth_Class'] );
if ( !is_null( self::$instance ) ) {
wfDebugLog( 'PluggableAuth', 'Singleton already exists' );
return self::$instance;
} elseif ( isset( $GLOBALS['wgPluggableAuth_Class'] ) &&
class_exists( $GLOBALS['wgPluggableAuth_Class'] ) &&
is_subclass_of( $GLOBALS['wgPluggableAuth_Class'],
'PluggableAuth' ) ) {
self::$instance = new $GLOBALS['wgPluggableAuth_Class'];
return self::$instance;
}
wfDebugLog( 'PluggableAuth', 'Could not get authentication plugin instance.' );
return false;
}
}
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