2014-10-06 05:01:33 +02:00
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<?php
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/**
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* Provides a security interface functionality within the cms
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*/
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class CMSSecurity extends Security {
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private static $casting = array(
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'Title' => 'HTMLText'
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);
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private static $allowed_actions = array(
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'LoginForm',
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'success'
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);
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2014-11-21 05:40:39 +01:00
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/**
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* Enable in-cms reauthentication
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*
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* @var boolean
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* @config
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*/
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private static $reauth_enabled = true;
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2014-10-06 05:01:33 +02:00
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public function init() {
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parent::init();
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// Include CMS styles and js
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Requirements::css(THIRDPARTY_DIR . '/jquery-ui-themes/smoothness/jquery-ui.css');
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Requirements::css(FRAMEWORK_ADMIN_DIR . '/css/screen.css');
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Requirements::combine_files(
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'cmssecurity.js',
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array(
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THIRDPARTY_DIR . '/jquery/jquery.js',
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THIRDPARTY_DIR . '/jquery-ui/jquery-ui.js',
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THIRDPARTY_DIR . '/jquery-entwine/dist/jquery.entwine-dist.js',
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FRAMEWORK_ADMIN_DIR . '/javascript/lib.js',
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FRAMEWORK_ADMIN_DIR . '/javascript/CMSSecurity.js'
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)
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);
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}
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public function Link($action = null) {
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return Controller::join_links(Director::baseURL(), "CMSSecurity", $action);
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}
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/**
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* Get known logged out member
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*
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* @return Member
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*/
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public function getTargetMember() {
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if($tempid = $this->request->requestVar('tempid')) {
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return Member::member_from_tempid($tempid);
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}
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}
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public function getResponseController($title) {
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// Use $this to prevent use of Page to render underlying templates
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return $this;
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}
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protected function getLoginMessage() {
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return parent::getLoginMessage()
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?: _t(
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'CMSSecurity.LoginMessage',
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'<p>If you have any unsaved work you can return to where you left off by logging back in below.</p>'
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);
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}
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public function getTitle() {
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// Check if logged in already
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if(Member::currentUserID()) {
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return _t('CMSSecurity.SUCCESS', 'Success');
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}
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// Display logged-out message
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$member = $this->getTargetMember();
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if($member) {
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return _t(
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'CMSSecurity.TimedOutTitleMember',
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'Hey {name}!<br />Your session has timed out.',
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'Title for CMS popup login form for a known user',
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array('name' => $member->FirstName)
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);
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} else {
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return _t(
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'CMSSecurity.TimedOutTitleAnonymous',
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'Your session has timed out.',
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'Title for CMS popup login form without a known user'
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);
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}
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}
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/**
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* Redirects the user to the external login page
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*
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* @return SS_HTTPResponse
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*/
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protected function redirectToExternalLogin() {
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$loginURL = Security::create()->Link('login');
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$loginURLATT = Convert::raw2att($loginURL);
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$loginURLJS = Convert::raw2js($loginURL);
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$message = _t(
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'CMSSecurity.INVALIDUSER',
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'<p>Invalid user. <a target="_top" href="{link}">Please re-authenticate here</a> to continue.</p>',
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'Message displayed to user if their session cannot be restored',
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array('link' => $loginURLATT)
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);
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$this->response->setStatusCode(200);
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$this->response->setBody(<<<PHP
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<!DOCTYPE html>
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<html><body>
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$message
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<script type="text/javascript">
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setTimeout(function(){top.location.href = "$loginURLJS";}, 0);
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</script>
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</body></html>
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PHP
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);
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return $this->response;
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}
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protected function preLogin() {
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// If no member has been previously logged in for this session, force a redirect to the main login page
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if(!$this->getTargetMember()) {
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return $this->redirectToExternalLogin();
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}
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return parent::preLogin();
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}
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public function GetLoginForms() {
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$forms = array();
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$authenticators = Authenticator::get_authenticators();
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foreach($authenticators as $authenticator) {
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// Get only CMS-supporting authenticators
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if($authenticator::supports_cms()) {
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$forms[] = $authenticator::get_cms_login_form($this);
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}
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}
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return $forms;
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}
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/**
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* Determine if CMSSecurity is enabled
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*
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* @return bool
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*/
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public static function enabled() {
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2014-11-21 05:40:39 +01:00
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// Disable shortcut
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if(!static::config()->reauth_enabled) return false;
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2014-10-06 05:01:33 +02:00
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// Count all cms-supported methods
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$authenticators = Authenticator::get_authenticators();
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foreach($authenticators as $authenticator) {
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// Supported if at least one authenticator is supported
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if($authenticator::supports_cms()) return true;
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}
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return false;
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}
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public function LoginForm() {
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$authenticator = $this->getAuthenticator();
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if($authenticator && $authenticator::supports_cms()) {
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return $authenticator::get_cms_login_form($this);
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}
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user_error('Passed invalid authentication method', E_USER_ERROR);
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}
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protected function getTemplatesFor($action) {
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return array("CMSSecurity_{$action}", "CMSSecurity")
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+ parent::getTemplatesFor($action);
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}
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/**
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* Given a successful login, tell the parent frame to close the dialog
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*
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* @return SS_HTTPResponse
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*/
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public function success() {
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// Ensure member is properly logged in
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if(!Member::currentUserID()) {
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return $this->redirectToExternalLogin();
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}
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// Get redirect url
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$controller = $this->getResponseController(_t('CMSSecurity.SUCCESS', 'Success'));
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$backURL = $this->request->requestVar('BackURL')
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?: Session::get('BackURL')
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?: Director::absoluteURL(AdminRootController::config()->url_base, true);
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// Show login
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$controller = $controller->customise(array(
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'Content' => _t(
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'CMSSecurity.SUCCESSCONTENT',
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'<p>Login success. If you are not automatically redirected '.
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'<a target="_top" href="{link}">click here</a></p>',
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'Login message displayed in the cms popup once a user has re-authenticated themselves',
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array('link' => $backURL)
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)
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));
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return $controller->renderWith($this->getTemplatesFor('success'));
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}
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}
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