135 lines
3.8 KiB
PHP
135 lines
3.8 KiB
PHP
<?php
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/**
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* OpenID log-in form
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*
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* @author Markus Lanthaler <markus@silverstripe.com>
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*/
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/**
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* OpenID log-in form
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*
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* @author Markus Lanthaler <markus@silverstripe.com>
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*/
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class OpenIDLoginForm extends LoginForm {
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/**
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* Constructor
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*
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* @param Controller $controller The parent controller, necessary to
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* create the appropriate form action tag.
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* @param string $name The method on the controller that will return this
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* form object.
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* @param FieldSet|FormField $fields All of the fields in the form - a
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* {@link FieldSet} of {@link FormField}
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* objects.
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* @param FieldSet|FormAction $actions All of the action buttons in the
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* form - a {@link FieldSet} of
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* {@link FormAction} objects
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* @param bool $checkCurrentUser If set to TRUE, it will be checked if a
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* the user is currently logged in, and if
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* so, only a logout button will be rendered
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*/
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function __construct($controller, $name, $fields = null, $actions = null,
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$checkCurrentUser = true) {
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$this->authenticator_class = 'OpenIDAuthenticator';
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$customCSS = project() . '/css/openid_login.css';
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if(Director::fileExists($customCSS)) {
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Requirements::css($customCSS);
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}
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if(isset($_REQUEST['BackURL'])) {
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$backURL = $_REQUEST['BackURL'];
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} else {
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$backURL = Session::get('BackURL');
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}
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if($checkCurrentUser && Member::currentUserID()) {
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$fields = new FieldSet();
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$actions = new FieldSet(new FormAction("logout",
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"Log in as someone else"));
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} else {
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if(!$fields) {
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$fields = new FieldSet(
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new HiddenField("AuthenticationMethod", null,
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$this->authenticator_class, $this),
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new TextField("OpenIDURL", "OpenID URL",
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Session::get('SessionForms.OpenIDLoginForm.OpenIDURL'), null, $this),
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new CheckboxField("Remember", "Remember me next time?",
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Session::get('SessionForms.OpenIDLoginForm.Remember'), $this)
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);
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}
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if(!$actions) {
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$actions = new FieldSet(
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new FormAction("dologin", "Log in")
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);
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}
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}
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if(isset($backURL)) {
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$fields->push(new HiddenField('BackURL', 'BackURL', $backURL));
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}
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parent::__construct($controller, $name, $fields, $actions);
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}
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/**
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* Get message from session
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*/
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protected function getMessageFromSession() {
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parent::getMessageFromSession();
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if(($member = Member::currentUser()) &&
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!Session::get('OpenIDLoginForm.force_message')) {
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$this->message = "You're logged in as $member->FirstName.";
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}
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Session::set('OpenIDLoginForm.force_message', false);
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}
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/**
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* Login form handler method
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*
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* This method is called when the user clicks on "Log in"
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*
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* @param array $data Submitted data
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*/
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public function dologin($data) {
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Session::set('SessionForms.OpenIDLoginForm.Remember',
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isset($data['Remember']));
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OpenIDAuthenticator::authenticate($data, $this);
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// If the OpenID authenticator returns, an error occured!
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Session::set('SessionForms.OpenIDLoginForm.OpenIDURL',
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$data['OpenIDURL']);
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if($badLoginURL = Session::get("BadLoginURL")){
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Director::redirect($badLoginURL);
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} else {
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Director::redirectBack();
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}
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}
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/**
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* Log out form handler method
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*
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* This method is called when the user clicks on "logout" on the form
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* created when the parameter <i>$checkCurrentUser</i> of the
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* {@link __construct constructor} was set to TRUE and the user was
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* currently logged in.
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*/
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public function logout() {
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$s = new Security();
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$s->logout();
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}
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}
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?>
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