silverstripe-framework/security/OpenID/OpenIDLoginForm.php

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