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<?php |
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namespace AppBundle\Services; |
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use FOS\UserBundle\Doctrine\UserManager; |
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use IMSGlobal\LTI\ToolProvider; |
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use IMSGlobal\LTI\ToolProvider\DataConnector; |
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use Symfony\Component\EventDispatcher\EventDispatcher; |
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use Symfony\Component\HttpFoundation\Session\Session; |
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use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorage; |
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use Symfony\Component\Security\Core\Authentication\Token\UsernamePasswordToken; |
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use Symfony\Component\Security\Core\Exception\AccessDeniedException; |
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use Symfony\Component\Security\Http\Event\InteractiveLoginEvent; |
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/** |
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* Since this app is used as a lti tool provider, this service offers lti integration |
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* @see https://www.edu-apps.org/code.html |
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* @see https://github.com/IMSGlobal/LTI-Tool-Provider-Library-PHP |
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* @see https://github.com/IMSGlobal/LTI-Tool-Provider-Library-PHP/wiki |
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* Class LtiToolProvider |
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* @package AppBundle\Services |
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*/ |
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class LtiToolProvider extends ToolProvider\ToolProvider |
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{ |
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private $userManager; |
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private $tokenStorage; |
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private $session; |
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private $eventDispatcher; |
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private $request; |
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/** |
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* @return mixed |
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*/ |
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public function getRequest() |
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{ |
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return $this->request; |
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} |
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/** |
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* @param mixed $request |
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*/ |
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public function setRequest($request) |
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{ |
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$this->request = $request; |
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} |
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public function __construct(UserManager $userManager, TokenStorage $tokenStorage, Session $session, EventDispatcher $eventDispatcher) |
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{ |
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$dsn = sprintf('%s:host=%s;dbname=%s', getenv('DB_TYPE'), getenv('DB_HOST'), getenv('DB_NAME')); |
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$db = new \PDO($dsn, getenv('DB_USER'), getenv('DB_PWD')); |
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$dataConnector = DataConnector\DataConnector::getDataConnector('', $db); |
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parent::__construct($dataConnector); |
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$this->userManager = $userManager; |
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$this->tokenStorage = $tokenStorage; |
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$this->session = $session; |
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$this->eventDispatcher = $eventDispatcher; |
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} |
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//todo: role mapping between e-media and LMS |
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function onLaunch() |
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{ |
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if (!$userName = $_POST['user_id']) { |
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return false; |
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} |
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if (!$user = $this->userManager->findUserByUsername($userName)) { |
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$user = $this->userManager->createUser(); |
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$user->setFirstName($_POST['lis_person_name_given']); |
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$user->setLastName($_POST['lis_person_name_family']); |
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$user->setUsername($userName); |
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$user->setEmail($_POST['lis_person_contact_email_primary']); |
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$user->setPlainPassword($userName); |
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$user->setEnabled(true); |
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$this->userManager->updateUser($user); |
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} |
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$token = new UsernamePasswordToken($user, null, 'main', $user->getRoles()); |
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$this->tokenStorage->setToken($token); |
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$this->session->set('_security_main', serialize($token)); |
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// Fire the login event manually |
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$event = new InteractiveLoginEvent($this->getRequest(), $token); |
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$this->eventDispatcher->dispatch("security.interactive_login", $event); |
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return $user; |
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} |
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// Insert code here to handle incoming launches - use the user, context |
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// and resourceLink properties to access the current user, context and resource link. |
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function onContentItem() |
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{ |
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die(__FUNCTION__); |
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// Insert code here to handle incoming content-item requests - use the user and context |
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// properties to access the current user and context. |
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} |
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function onRegister() |
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{ |
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die(__FUNCTION__); |
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// Insert code here to handle incoming registration requests - use the user |
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// property of the $tool_provider parameter to access the current user. |
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} |
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function onError() |
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{ |
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throw new AccessDeniedException(); |
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// Insert code here to handle errors on incoming connections - do not expect |
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// the user, context and resourceLink properties to be populated but check the reason |
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// property for the cause of the error. Return TRUE if the error was fully |
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// handled by this method. |
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} |
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118
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} |
benIT /
e-media
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Adding explicit visibility (
private,protected, orpublic) is generally recommend to communicate to other developers how, and from where this method is intended to be used.