/**
* Deletes existing tokens for this member
* if logout_across_devices is true, all tokens are deleted, otherwise
* only the token for the provided device ID will be removed
*
* @param Member $member
* @param string $alcDevice
*/
public static function clear(Member $member, $alcDevice = null)
{
if (!$member->exists()) {
return;
}
$filter = array('MemberID' => $member->ID);
if (!static::config()->logout_across_devices && $alcDevice) {
$filter['DeviceID'] = $alcDevice;
}
RememberLoginHash::get()->filter($filter)->removeAll();
}
public function testRememberMeMultipleDevices()
{
$m1 = $this->objFromFixture('SilverStripe\\Security\\Member', 'noexpiry');
// First device
$m1->login(true);
Cookie::set('alc_device', null);
// Second device
$m1->login(true);
// Hash of first device
$firstHash = RememberLoginHash::get()->filter('MemberID', $m1->ID)->First();
$this->assertNotNull($firstHash);
// Hash of second device
$secondHash = RememberLoginHash::get()->filter('MemberID', $m1->ID)->Last();
$this->assertNotNull($secondHash);
// DeviceIDs are different
$this->assertNotEquals($firstHash->DeviceID, $secondHash->DeviceID);
// re-generates the hashes so we can get the tokens
$firstHash->Hash = $firstHash->getNewHash($m1);
$firstToken = $firstHash->getToken();
$firstHash->write();
$secondHash->Hash = $secondHash->getNewHash($m1);
$secondToken = $secondHash->getToken();
$secondHash->write();
// Accessing the login page should show the user's name straight away
$response = $this->get('Security/login', $this->session(), null, array('alc_enc' => $m1->ID . ':' . $firstToken, 'alc_device' => $firstHash->DeviceID));
$message = _t('Member.LOGGEDINAS', "You're logged in as {name}.", array('name' => $m1->FirstName));
$this->assertContains($message, $response->getBody());
$this->session()->inst_set('loggedInAs', null);
// Accessing the login page from the second device
$response = $this->get('Security/login', $this->session(), null, array('alc_enc' => $m1->ID . ':' . $secondToken, 'alc_device' => $secondHash->DeviceID));
$this->assertContains($message, $response->getBody());
$logout_across_devices = Config::inst()->get('SilverStripe\\Security\\RememberLoginHash', 'logout_across_devices');
// Logging out from the second device - only one device being logged out
Config::inst()->update('SilverStripe\\Security\\RememberLoginHash', 'logout_across_devices', false);
$response = $this->get('Security/logout', $this->session(), null, array('alc_enc' => $m1->ID . ':' . $secondToken, 'alc_device' => $secondHash->DeviceID));
$this->assertEquals(RememberLoginHash::get()->filter(array('MemberID' => $m1->ID, 'DeviceID' => $firstHash->DeviceID))->Count(), 1);
// Logging out from any device when all login hashes should be removed
Config::inst()->update('SilverStripe\\Security\\RememberLoginHash', 'logout_across_devices', true);
$m1->login(true);
$response = $this->get('Security/logout', $this->session());
$this->assertEquals(RememberLoginHash::get()->filter('MemberID', $m1->ID)->Count(), 0);
Config::inst()->update('SilverStripe\\Security\\RememberLoginHash', 'logout_across_devices', $logout_across_devices);
}
/**
* Logs this member out.
*/
public function logOut()
{
$this->extend('beforeMemberLoggedOut');
Session::clear("loggedInAs");
if (Member::config()->login_marker_cookie) {
Cookie::set(Member::config()->login_marker_cookie, null, 0);
}
Session::destroy();
$this->extend('memberLoggedOut');
// Clears any potential previous hashes for this member
RememberLoginHash::clear($this, Cookie::get('alc_device'));
Cookie::set('alc_enc', null);
// // Clear the Remember Me cookie
Cookie::force_expiry('alc_enc');
Cookie::set('alc_device', null);
Cookie::force_expiry('alc_device');
// Switch back to live in order to avoid infinite loops when
// redirecting to the login screen (if this login screen is versioned)
Session::clear('readingMode');
$this->write();
// Audit logging hook
$this->extend('memberLoggedOut');
}
/**
* Constructor
*
* @skipUpgrade
* @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 FieldList $fields All of the fields in the form - a
* {@link FieldList} of {@link FormField}
* objects.
* @param FieldList|FormAction $actions All of the action buttons in the
* form - a {@link FieldList} of
* {@link FormAction} objects
* @param bool $checkCurrentUser If set to TRUE, it will be checked if a
* the user is currently logged in, and if
* so, only a logout button will be rendered
*/
public function __construct($controller, $name, $fields = null, $actions = null, $checkCurrentUser = true)
{
// This is now set on the class directly to make it easier to create subclasses
// $this->authenticator_class = $authenticatorClassName;
$customCSS = project() . '/css/member_login.css';
if (Director::fileExists($customCSS)) {
Requirements::css($customCSS);
}
if (isset($_REQUEST['BackURL'])) {
$backURL = $_REQUEST['BackURL'];
} else {
$backURL = Session::get('BackURL');
}
if ($checkCurrentUser && Member::currentUser() && Member::logged_in_session_exists()) {
$fields = FieldList::create(HiddenField::create("AuthenticationMethod", null, $this->authenticator_class, $this));
$actions = FieldList::create(FormAction::create("logout", _t('Member.BUTTONLOGINOTHER', "Log in as someone else")));
} else {
if (!$fields) {
$label = Member::singleton()->fieldLabel(Member::config()->unique_identifier_field);
$fields = FieldList::create(HiddenField::create("AuthenticationMethod", null, $this->authenticator_class, $this), $emailField = TextField::create("Email", $label, null, null, $this), PasswordField::create("Password", _t('Member.PASSWORD', 'Password')));
if (Security::config()->remember_username) {
$emailField->setValue(Session::get('SessionForms.MemberLoginForm.Email'));
} else {
// Some browsers won't respect this attribute unless it's added to the form
$this->setAttribute('autocomplete', 'off');
$emailField->setAttribute('autocomplete', 'off');
}
if (Security::config()->autologin_enabled) {
$fields->push(CheckboxField::create("Remember", _t('Member.KEEPMESIGNEDIN', "Keep me signed in"))->setAttribute('title', sprintf(_t('Member.REMEMBERME', "Remember me next time? (for %d days on this device)"), RememberLoginHash::config()->get('token_expiry_days'))));
}
}
if (!$actions) {
$actions = FieldList::create(FormAction::create('dologin', _t('Member.BUTTONLOGIN', "Log in")), LiteralField::create('forgotPassword', '<p id="ForgotPassword"><a href="' . Security::lost_password_url() . '">' . _t('Member.BUTTONLOSTPASSWORD', "I've lost my password") . '</a></p>'));
}
}
if (isset($backURL)) {
$fields->push(HiddenField::create('BackURL', 'BackURL', $backURL));
}
// Reduce attack surface by enforcing POST requests
$this->setFormMethod('POST', true);
parent::__construct($controller, $name, $fields, $actions);
$this->setValidator(RequiredFields::create('Email', 'Password'));
// Focus on the email input when the page is loaded
$js = <<<JS
\t\t\t(function() {
\t\t\t\tvar el = document.getElementById("MemberLoginForm_LoginForm_Email");
\t\t\t\tif(el && el.focus && (typeof jQuery == 'undefined' || jQuery(el).is(':visible'))) el.focus();
\t\t\t})();
JS;
Requirements::customScript($js, 'MemberLoginFormFieldFocus');
}
