class SessionTestController in Drupal 10

Controller providing page callbacks for the action admin interface.

Hierarchy

• class \Drupal\Core\Controller\ControllerBase implements ContainerInjectionInterface uses LoggerChannelTrait, MessengerTrait, RedirectDestinationTrait, StringTranslationTrait
  • class \Drupal\session_test\Controller\SessionTestController

File

core/modules/system/tests/modules/session_test/src/Controller/SessionTestController.php, line 14

Namespace

Drupal\session_test\Controller

class SessionTestController extends ControllerBase {

  /**
   * Prints the stored session value to the screen.
   *
   * @return string
   *   A notification message.
   */
  public function get() {
    return empty($_SESSION['session_test_value']) ? [] : [
      '#markup' => $this
        ->t('The current value of the stored session variable is: %val', [
        '%val' => $_SESSION['session_test_value'],
      ]),
    ];
  }

  /**
   * Prints the stored session value to the screen.
   *
   * @param \Symfony\Component\HttpFoundation\Request $request
   *   The incoming request.
   *
   * @return string
   *   A notification message.
   */
  public function getFromSessionObject(Request $request) {
    $value = $request
      ->getSession()
      ->get("session_test_key");
    return empty($value) ? [] : [
      '#markup' => $this
        ->t('The current value of the stored session variable is: %val', [
        '%val' => $value,
      ]),
    ];
  }

  /**
   * Print the current session ID.
   *
   * @param \Symfony\Component\HttpFoundation\Request $request
   *   The incoming request.
   *
   * @return string
   *   A notification message with session ID.
   */
  public function getId(Request $request) {

    // Set a value in $_SESSION, so that SessionManager::save() will start
    // a session.
    $_SESSION['test'] = 'test';
    $request
      ->getSession()
      ->save();
    return [
      '#markup' => 'session_id:' . session_id() . "\n",
    ];
  }

  /**
   * Print the current session ID as read from the cookie.
   *
   * @param \Symfony\Component\HttpFoundation\Request $request
   *   The request object.
   *
   * @return string
   *   A notification message with session ID.
   */
  public function getIdFromCookie(Request $request) {
    return [
      '#markup' => 'session_id:' . $request->cookies
        ->get(session_name()) . "\n",
      '#cache' => [
        'contexts' => [
          'cookies:' . session_name(),
        ],
      ],
    ];
  }

  /**
   * Stores a value in $_SESSION['session_test_value'].
   *
   * @param string $test_value
   *   A session value.
   *
   * @return string
   *   A notification message.
   */
  public function set($test_value) {
    $_SESSION['session_test_value'] = $test_value;
    return [
      '#markup' => $this
        ->t('The current value of the stored session variable has been set to %val', [
        '%val' => $test_value,
      ]),
    ];
  }

  /**
   * Turns off session saving and then tries to save a value
   * anyway.
   *
   * @param string $test_value
   *   A session value.
   *
   * @return string
   *   A notification message.
   */
  public function noSet($test_value) {
    \Drupal::service('session_handler.write_safe')
      ->setSessionWritable(FALSE);
    $this
      ->set($test_value);
    return [
      '#markup' => $this
        ->t('session saving was disabled, and then %val was set', [
        '%val' => $test_value,
      ]),
    ];
  }

  /**
   * Sets a message to me displayed on the following page.
   *
   * @return string
   *   A notification message.
   */
  public function setMessage() {
    $this
      ->messenger()
      ->addStatus($this
      ->t('This is a dummy message.'));
    return new Response($this
      ->t('A message was set.'));

    // Do not return anything, so the current request does not result in a themed
    // page with messages. The message will be displayed in the following request
    // instead.
  }

  /**
   * Sets a message but call drupal_save_session(FALSE).
   *
   * @return string
   *   A notification message.
   */
  public function setMessageButDoNotSave() {
    \Drupal::service('session_handler.write_safe')
      ->setSessionWritable(FALSE);
    $this
      ->setMessage();
    return [
      '#markup' => '',
    ];
  }

  /**
   * Only available if current user is logged in.
   *
   * @return string
   *   A notification message.
   */
  public function isLoggedIn() {
    return [
      '#markup' => $this
        ->t('User is logged in.'),
    ];
  }

  /**
   * Returns the trace recorded by test proxy session handlers as JSON.
   *
   * @param \Symfony\Component\HttpFoundation\Request $request
   *   The incoming request.
   *
   * @return \Symfony\Component\HttpFoundation\JsonResponse
   *   The response.
   */
  public function traceHandler(Request $request) {

    // Start a session if necessary, set a value and then save and close it.
    $request
      ->getSession()
      ->start();
    if (empty($_SESSION['trace-handler'])) {
      $_SESSION['trace-handler'] = 1;
    }
    else {
      $_SESSION['trace-handler']++;
    }
    $request
      ->getSession()
      ->save();

    // Collect traces and return them in JSON format.
    $trace = \Drupal::service('session_test.session_handler_proxy_trace')
      ->getArrayCopy();
    return new JsonResponse($trace);
  }

  /**
   * Returns the values stored in the active session and the user ID.
   *
   * @param \Symfony\Component\HttpFoundation\Request $request
   *   The request object.
   *
   * @return \Symfony\Component\HttpFoundation\JsonResponse
   *   A response object containing the session values and the user ID.
   */
  public function getSession(Request $request) {
    return new JsonResponse([
      'session' => $request
        ->getSession()
        ->all(),
      'user' => $this
        ->currentUser()
        ->id(),
    ]);
  }

  /**
   * Sets a test value on the session.
   *
   * @param \Symfony\Component\HttpFoundation\Request $request
   *   The request object.
   * @param string $test_value
   *   A value to set on the session.
   *
   * @return \Symfony\Component\HttpFoundation\JsonResponse
   *   A response object containing the session values and the user ID.
   */
  public function setSession(Request $request, $test_value) {
    $session = $request
      ->getSession();
    $session
      ->set('test_value', $test_value);
    return new JsonResponse([
      'session' => $session
        ->all(),
      'user' => $this
        ->currentUser()
        ->id(),
    ]);
  }

  /**
   * Sets the test flag in the session test bag.
   *
   * @param \Symfony\Component\HttpFoundation\Request $request
   *   The request object.
   *
   * @return \Symfony\Component\HttpFoundation\Response
   *   The response object.
   */
  public function setSessionBagFlag(Request $request) {

    /** @var \Drupal\session_test\Session\TestSessionBag */
    $bag = $request
      ->getSession()
      ->getBag(TestSessionBag::BAG_NAME);
    $bag
      ->setFlag();
    return new Response();
  }

  /**
   * Clears the test flag from the session test bag.
   *
   * @param \Symfony\Component\HttpFoundation\Request $request
   *   The request object.
   *
   * @return \Symfony\Component\HttpFoundation\Response
   *   The response object.
   */
  public function clearSessionBagFlag(Request $request) {

    /** @var \Drupal\session_test\Session\TestSessionBag */
    $bag = $request
      ->getSession()
      ->getBag(TestSessionBag::BAG_NAME);
    $bag
      ->clearFlag();
    return new Response();
  }

  /**
   * Prints a message if the flag in the session bag is set.
   *
   * @param \Symfony\Component\HttpFoundation\Request $request
   *   The request object.
   *
   * @return \Symfony\Component\HttpFoundation\Response
   *   The response object.
   */
  public function hasSessionBagFlag(Request $request) {

    /** @var \Drupal\session_test\Session\TestSessionBag */
    $bag = $request
      ->getSession()
      ->getBag(TestSessionBag::BAG_NAME);
    return new Response(empty($bag
      ->hasFlag()) ? $this
      ->t('Flag is absent from session bag') : $this
      ->t('Flag is present in session bag'));
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ControllerBase::$configFactory	protected	property	The configuration factory.
ControllerBase::$currentUser	protected	property	The current user service.	2
ControllerBase::$entityFormBuilder	protected	property	The entity form builder.
ControllerBase::$entityTypeManager	protected	property	The entity type manager.
ControllerBase::$formBuilder	protected	property	The form builder.	1
ControllerBase::$keyValue	protected	property	The key-value storage.	1
ControllerBase::$languageManager	protected	property	The language manager.	1
ControllerBase::$moduleHandler	protected	property	The module handler.	1
ControllerBase::$stateService	protected	property	The state service.
ControllerBase::cache	protected	function	Returns the requested cache bin.
ControllerBase::config	protected	function	Retrieves a configuration object.
ControllerBase::container	private	function	Returns the service container.
ControllerBase::create	public static	function	Instantiates a new instance of this class. Overrides ContainerInjectionInterface::create	45
ControllerBase::currentUser	protected	function	Returns the current user.	2
ControllerBase::entityFormBuilder	protected	function	Retrieves the entity form builder.
ControllerBase::entityTypeManager	protected	function	Retrieves the entity type manager.
ControllerBase::formBuilder	protected	function	Returns the form builder service.	1
ControllerBase::keyValue	protected	function	Returns a key/value storage collection.	1
ControllerBase::languageManager	protected	function	Returns the language manager service.	1
ControllerBase::moduleHandler	protected	function	Returns the module handler.	1
ControllerBase::redirect	protected	function	Returns a redirect response object for the specified route.
ControllerBase::state	protected	function	Returns the state storage service.
LoggerChannelTrait::$loggerFactory	protected	property	The logger channel factory service.
LoggerChannelTrait::getLogger	protected	function	Gets the logger for a specific channel.
LoggerChannelTrait::setLoggerFactory	public	function	Injects the logger channel factory.
MessengerTrait::$messenger	protected	property	The messenger.	18
MessengerTrait::messenger	public	function	Gets the messenger.	18
MessengerTrait::setMessenger	public	function	Sets the messenger.
RedirectDestinationTrait::$redirectDestination	protected	property	The redirect destination service.	1
RedirectDestinationTrait::getDestinationArray	protected	function	Prepares a 'destination' URL query parameter for use with \Drupal\Core\Url.
RedirectDestinationTrait::getRedirectDestination	protected	function	Returns the redirect destination service.
RedirectDestinationTrait::setRedirectDestination	public	function	Sets the redirect destination service.
SessionTestController::clearSessionBagFlag	public	function	Clears the test flag from the session test bag.
SessionTestController::get	public	function	Prints the stored session value to the screen.
SessionTestController::getFromSessionObject	public	function	Prints the stored session value to the screen.
SessionTestController::getId	public	function	Print the current session ID.
SessionTestController::getIdFromCookie	public	function	Print the current session ID as read from the cookie.
SessionTestController::getSession	public	function	Returns the values stored in the active session and the user ID.
SessionTestController::hasSessionBagFlag	public	function	Prints a message if the flag in the session bag is set.
SessionTestController::isLoggedIn	public	function	Only available if current user is logged in.
SessionTestController::noSet	public	function	Turns off session saving and then tries to save a value anyway.
SessionTestController::set	public	function	Stores a value in $_SESSION['session_test_value'].
SessionTestController::setMessage	public	function	Sets a message to me displayed on the following page.
SessionTestController::setMessageButDoNotSave	public	function	Sets a message but call drupal_save_session(FALSE).
SessionTestController::setSession	public	function	Sets a test value on the session.
SessionTestController::setSessionBagFlag	public	function	Sets the test flag in the session test bag.
SessionTestController::traceHandler	public	function	Returns the trace recorded by test proxy session handlers as JSON.
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	3
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	1
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.