silverstripe-framework/security/MemberLoginForm.php

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<?php
/**
* Log-in form for the "member" authentication method
*/
/**
* Log-in form for the "member" authentication method
*/
class MemberLoginForm extends Form {
/**
* 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) {
$customCSS = project() . '/css/member_login.css';
if(Director::fileExists($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) {
$fields = new FieldSet(
new HiddenField("AuthenticationMethod", null, "Member"),
new TextField("Email", "Email address",
Session::get('SessionForms.MemberLoginForm.Email')),
new EncryptField("Password", "Password"),
new CheckboxField("Remember", "Remember me next time?",
Session::get('SessionForms.MemberLoginForm.Remember'))
);
}
if(!$actions) {
$actions = new FieldSet(
new FormAction("dologin", "Log in"),
new FormAction("forgotPassword", "I've lost my password")
);
}
}
if(isset($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('MemberLoginForm.force_message')) {
$this->message = "You're logged in as $member->FirstName.";
}
Session::set('MemberLoginForm.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) {
if($this->performLogin($data)) {
Session::clear('SessionForms.MemberLoginForm.Email');
Session::clear('SessionForms.MemberLoginForm.Remember');
if($backURL = $_REQUEST['BackURL']) {
Session::clear("BackURL");
Director::redirect($backURL);
} else
Director::redirectBack();
} else {
Session::set('SessionForms.MemberLoginForm.Email', $data['Email']);
Session::set('SessionForms.MemberLoginForm.Remember',
isset($data['Remember']));
if($badLoginURL = Session::get("BadLoginURL")) {
Director::redirect($badLoginURL);
} else {
Director::redirectBack();
}
}
}
/**
* 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();
$s->logout();
}
/**
* Try to authenticate the user
*
* @param array Submitted data
* @return Member Returns the member object on successful authentication
* or NULL on failure.
*/
public function performLogin($data) {
if($member = MemberAuthenticator::authenticate($data, $this)) {
$firstname = Convert::raw2xml($member->FirstName);
Session::set("Security.Message.message", "Welcome Back, {$firstname}");
Session::set("Security.Message.type", "good");
$member->LogIn(isset($data['Remember']));
return $member;
} else {
return null;
}
}
/**
* Forgot password form handler method
*
* This method is called when the user clicks on "I've lost my password"
*
* @param array $data Submitted data
*/
function forgotPassword($data) {
$SQL_data = Convert::raw2sql($data);
if($data['Email'] && $member = DataObject::get_one("Member",
"Member.Email = '$SQL_data[Email]'")) {
if(!$member->Password) {
$member->createNewPassword();
$member->write();
}
$member->sendInfo('forgotPassword');
Director::redirect('Security/passwordsent/' . urlencode($data['Email']));
} else if($data['Email']) {
$this->sessionMessage(
"Sorry, but I don't recognise the email address. Maybe you need to sign up, or perhaps you used another email address?",
"bad");
Director::redirectBack();
} else {
Director::redirect("Security/lostpassword");
}
}
}
?>