mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-07-02 09:29:36 +02:00
68 lines
1.7 KiB
PHP
68 lines
1.7 KiB
PHP
<?php
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/**
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* Abstract base class for a login form
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*
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* This class is used as a base class for the different log-in forms like
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* {@link MemberLoginForm} or {@link OpenIDLoginForm}.
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*
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* @author Markus Lanthaler <markus@silverstripe.com>
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* @package framework
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* @subpackage security
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*/
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abstract class LoginForm extends Form {
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/**
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* Authenticator class to use with this login form
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*
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* Set this variable to the authenticator class to use with this login
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* form.
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* @var string
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*/
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protected $authenticator_class;
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/**
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* The minimum amount of time authenticating is allowed to take in milliseconds.
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*
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* Protects against timing enumeration attacks
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*
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* @config
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* @var int
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*/
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private static $min_auth_time = 350;
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/**
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* Get the authenticator instance
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*
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* @return Authenticator Returns the authenticator instance for this login form.
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*/
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public function getAuthenticator() {
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if(!class_exists($this->authenticator_class) || !is_subclass_of($this->authenticator_class, 'Authenticator')) {
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user_error("The form uses an invalid authenticator class! '{$this->authenticator_class}'"
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. " is not a subclass of 'Authenticator'", E_USER_ERROR);
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return;
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}
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return Injector::inst()->get($this->authenticator_class);
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}
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/**
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* Get the authenticator name.
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* @return string The friendly name for use in templates, etc.
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*/
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public function getAuthenticatorName() {
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$authClass = $this->authenticator_class;
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return $authClass::get_name();
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}
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public function setAuthenticatorClass($class)
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{
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$this->authenticator_class = $class;
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$authenticatorField = $this->Fields()->dataFieldByName('AuthenticationMethod');
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if ($authenticatorField) {
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$authenticatorField->setValue($class);
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}
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return $this;
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}
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}
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