314 lines
9.9 KiB
PHP
314 lines
9.9 KiB
PHP
<?php
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namespace SilverStripe\Security\MemberAuthenticator;
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use SilverStripe\Control\Controller;
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use SilverStripe\Control\RequestHandler;
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use SilverStripe\Core\Injector\Injector;
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use SilverStripe\Control\HTTPResponse;
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use SilverStripe\Control\Session;
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use SilverStripe\ORM\FieldType\DBDatetime;
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use SilverStripe\ORM\FieldType\DBField;
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use SilverStripe\ORM\FieldType\DBHTMLText;
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use SilverStripe\Security\Authenticator;
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use SilverStripe\Security\CMSSecurity;
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use SilverStripe\Security\Member;
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use SilverStripe\Security\Security;
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use SilverStripe\Security\IdentityStore;
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class ChangePasswordHandler extends RequestHandler
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{
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/**
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* @var Authenticator
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*/
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protected $authenticator;
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/**
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* @var string
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*/
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protected $link;
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/**
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* @var array Allowed Actions
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*/
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private static $allowed_actions = [
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'changepassword',
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'changePasswordForm',
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];
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/**
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* @var array URL Handlers. All should point to changepassword
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*/
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private static $url_handlers = [
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'' => 'changepassword',
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];
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/**
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* @param string $link The URL to recreate this request handler
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* @param MemberAuthenticator $authenticator
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*/
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public function __construct($link, MemberAuthenticator $authenticator)
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{
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$this->link = $link;
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$this->authenticator = $authenticator;
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parent::__construct();
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}
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/**
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* Handle the change password request
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* @todo this could use some spring cleaning
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*
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* @return HTTPResponse|DBHTMLText
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*/
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public function changepassword()
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{
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$request = $this->getRequest();
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// Extract the member from the URL.
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/** @var Member $member */
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$member = null;
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if ($request->getVar('m') !== null) {
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$member = Member::get()->filter(['ID' => (int)$request->getVar('m')])->first();
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}
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$token = $request->getVar('t');
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// Check whether we are merely changin password, or resetting.
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if ($token !== null && $member && $member->validateAutoLoginToken($token)) {
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$this->setSessionToken($member, $token);
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// Redirect to myself, but without the hash in the URL
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return $this->redirect($this->link);
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}
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if (Session::get('AutoLoginHash')) {
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$message = DBField::create_field(
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'HTMLFragment',
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'<p>' . _t(
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'SilverStripe\\Security\\Security.ENTERNEWPASSWORD',
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'Please enter a new password.'
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) . '</p>'
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);
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// Subsequent request after the "first load with hash" (see previous if clause).
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return $this->buildResponse($message);
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}
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if (Security::getCurrentUser()) {
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// Logged in user requested a password change form.
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$message = DBField::create_field(
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'HTMLFragment',
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'<p>' . _t(
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'SilverStripe\\Security\\Security.CHANGEPASSWORDBELOW',
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'You can change your password below.'
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) . '</p>'
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);
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return $this->buildResponse($message);
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}
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// Show a friendly message saying the login token has expired
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if ($token !== null && $member && !$member->validateAutoLoginToken($token)) {
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$customisedController = Controller::curr()->customise(
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array(
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'Content' => DBField::create_field(
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'HTMLFragment',
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_t(
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'SilverStripe\\Security\\Security.NOTERESETLINKINVALID',
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'<p>The password reset link is invalid or expired.</p>'
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. '<p>You can request a new one <a href="{link1}">here</a> or change your password after'
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. ' you <a href="{link2}">logged in</a>.</p>',
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[
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'link1' => $this->Link('lostpassword'),
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'link2' => $this->Link('login')
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]
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)
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)
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)
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);
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return $customisedController->renderWith('changepassword');
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}
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// Someone attempted to go to changepassword without token or being logged in
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return Security::permissionFailure(
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Controller::curr(),
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_t(
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'SilverStripe\\Security\\Security.ERRORPASSWORDPERMISSION',
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'You must be logged in in order to change your password!'
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)
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);
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}
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/**
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* @param DBField $message
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* @return DBHTMLText
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*/
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protected function buildResponse($message)
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{
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$customisedController = Controller::curr()->customise(
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[
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'Content' => $message,
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'Form' => $this->changePasswordForm()
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]
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);
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return $customisedController->renderWith(Security::singleton()->getTemplatesFor('changepassword'));
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}
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/**
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* @param Member $member
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* @param string $token
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*/
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protected function setSessionToken($member, $token)
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{
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// if there is a current member, they should be logged out
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if ($curMember = Security::getCurrentUser()) {
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/** @var LogoutHandler $handler */
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Injector::inst()->get(IdentityStore::class)->logOut();
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}
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// Store the hash for the change password form. Will be unset after reload within the ChangePasswordForm.
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Session::set('AutoLoginHash', $member->encryptWithUserSettings($token));
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}
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/**
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* Return a link to this request handler.
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* The link returned is supplied in the constructor
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* @param null $action
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* @return string
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*/
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public function link($action = null)
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{
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if ($action) {
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return Controller::join_links($this->link, $action);
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}
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return $this->link;
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}
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/**
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* Factory method for the lost password form
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*
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* @skipUpgrade
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* @return ChangePasswordForm Returns the lost password form
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*/
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public function changePasswordForm()
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{
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return ChangePasswordForm::create(
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$this,
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'ChangePasswordForm'
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);
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}
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/**
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* Change the password
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*
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* @param array $data The user submitted data
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* @return HTTPResponse
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*/
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public function doChangePassword(array $data)
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{
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$member = Security::getCurrentUser();
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// The user was logged in, check the current password
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if ($member && (
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empty($data['OldPassword']) ||
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!$member->checkPassword($data['OldPassword'])->isValid()
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)
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) {
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$this->form->sessionMessage(
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_t(
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'SilverStripe\\Security\\Member.ERRORPASSWORDNOTMATCH',
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"Your current password does not match, please try again"
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),
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"bad"
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);
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// redirect back to the form, instead of using redirectBack() which could send the user elsewhere.
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return $this->redirectBackToForm();
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}
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if (!$member) {
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if (Session::get('AutoLoginHash')) {
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$member = Member::member_from_autologinhash(Session::get('AutoLoginHash'));
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}
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// The user is not logged in and no valid auto login hash is available
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if (!$member) {
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Session::clear('AutoLoginHash');
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return $this->redirect($this->addBackURLParam(Security::singleton()->Link('login')));
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}
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}
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// Check the new password
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if (empty($data['NewPassword1'])) {
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$this->form->sessionMessage(
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_t(
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'SilverStripe\\Security\\Member.EMPTYNEWPASSWORD',
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"The new password can't be empty, please try again"
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),
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"bad"
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);
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// redirect back to the form, instead of using redirectBack() which could send the user elsewhere.
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return $this->redirectBackToForm();
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}
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// Fail if passwords do not match
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if ($data['NewPassword1'] !== $data['NewPassword2']) {
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$this->form->sessionMessage(
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_t(
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'SilverStripe\\Security\\Member.ERRORNEWPASSWORD',
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"You have entered your new password differently, try again"
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),
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"bad"
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);
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// redirect back to the form, instead of using redirectBack() which could send the user elsewhere.
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return $this->redirectBackToForm();
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}
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// Check if the new password is accepted
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$validationResult = $member->changePassword($data['NewPassword1']);
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if (!$validationResult->isValid()) {
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$this->form->setSessionValidationResult($validationResult);
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return $this->redirectBackToForm();
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}
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// Clear locked out status
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$member->LockedOutUntil = null;
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$member->FailedLoginCount = null;
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// Clear the members login hashes
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$member->AutoLoginHash = null;
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$member->AutoLoginExpired = DBDatetime::create()->now();
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$member->write();
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if ($member->canLogIn()->isValid()) {
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Injector::inst()->get(IdentityStore::class)->logIn($member, false, $this->getRequest());
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}
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// TODO Add confirmation message to login redirect
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Session::clear('AutoLoginHash');
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// Redirect to backurl
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$backURL = $this->getBackURL();
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if ($backURL) {
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return $this->redirect($backURL);
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}
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// Redirect to default location - the login form saying "You are logged in as..."
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$url = Security::singleton()->Link('login');
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return $this->redirect($url);
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}
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public function redirectBackToForm()
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{
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// Redirect back to form
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$url = $this->addBackURLParam(CMSSecurity::singleton()->Link('changepassword'));
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return $this->redirect($url);
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}
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}
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