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Issue #2228393 by almaudoh, andypost, pfrenssen, znerol, cpj, Dom.: Decouple session from cookie based user authentication

8.0.x
Alex Pott 2015-04-18 12:06:53 +02:00
parent cbc03163b9
commit 0fa529e4f0
9 changed files with 233 additions and 158 deletions
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18
core/includes/install.core.inc
View File

@ -141,6 +141,10 @@ function install_drupal($class_loader, $settings = array()) {
// installations can send output to the browser or redirect the user to the
// next page.
if ($state['interactive']) {
// If a session has been initiated in this request, make sure to save it.
if ($session = \Drupal::request()->getSession()) {
$session->save();
}
if ($state['parameters_changed']) {
// Redirect to the correct page if the URL parameters have changed.
install_goto(install_redirect_url($state));
@ -596,8 +600,9 @@ function install_run_task($task, &$install_state) {
$url = Url::fromUri('base:install.php', ['query' => $install_state['parameters'], 'script' => '']);
$response = batch_process($url, clone $url);
if ($response instanceof Response) {
// Save $_SESSION data from batch.
\Drupal::service('session')->save();
if ($session = \Drupal::request()->getSession()) {
$session->save();
}
// Send the response.
$response->send();
exit;
@ -1549,12 +1554,13 @@ function install_load_profile(&$install_state) {
/**
* Performs a full bootstrap of Drupal during installation.
*
* @param $install_state
* An array of information about the current installation state.
*/
function install_bootstrap_full() {
\Drupal::service('session')->start();
// Store the session on the request object and start it.
/** @var \Symfony\Component\HttpFoundation\Session\SessionInterface $session */
$session = \Drupal::service('session');
\Drupal::request()->setSession($session);
$session->start();
}
/**

56
core/lib/Drupal/Core/Authentication/Provider/Cookie.php
View File

@ -1,56 +0,0 @@
<?php
/**
* @file
* Contains \Drupal\Core\Authentication\Provider\Cookie.
*/
namespace Drupal\Core\Authentication\Provider;
use Drupal\Core\Authentication\AuthenticationProviderInterface;
use Drupal\Core\Session\SessionConfigurationInterface;
use Symfony\Component\HttpFoundation\Request;
/**
* Cookie based authentication provider.
*/
class Cookie implements AuthenticationProviderInterface {
/**
* The session configuration.
*
* @var \Drupal\Core\Session\SessionConfigurationInterface
*/
protected $sessionConfiguration;
/**
* Constructs a new cookie authentication provider.
*
* @param \Drupal\Core\Session\SessionConfigurationInterface $session_configuration
* The session configuration.
*/
public function __construct(SessionConfigurationInterface $session_configuration) {
$this->sessionConfiguration = $session_configuration;
}
/**
* {@inheritdoc}
*/
public function applies(Request $request) {
return $request->hasSession() && $this->sessionConfiguration->hasSession($request);
}
/**
* {@inheritdoc}
*/
public function authenticate(Request $request) {
if ($request->getSession()->start()) {
// @todo Remove global in https://www.drupal.org/node/2228393
global $_session_user;
return $_session_user;
}
return NULL;
}
}

92
core/lib/Drupal/Core/Session/SessionHandler.php
View File

@ -10,7 +10,6 @@ namespace Drupal\Core\Session;
use Drupal\Component\Utility\Crypt;
use Drupal\Core\Database\Connection;
use Drupal\Core\DependencyInjection\DependencySerializationTrait;
use Drupal\Core\Site\Settings;
use Drupal\Core\Utility\Error;
use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\HttpFoundation\Session\Storage\Proxy\AbstractProxy;
@ -36,13 +35,6 @@ class SessionHandler extends AbstractProxy implements \SessionHandlerInterface {
*/
protected $connection;
/**
* An associative array of obsolete sessions with session id as key, and db-key as value.
*
* @var array
*/
protected $obsoleteSessionIds = array();
/**
* Constructs a new SessionHandler instance.
*
@ -67,59 +59,27 @@ class SessionHandler extends AbstractProxy implements \SessionHandlerInterface {
* {@inheritdoc}
*/
public function read($sid) {
// @todo Remove global in https://www.drupal.org/node/2228393
global $_session_user;
// Handle the case of first time visitors and clients that don't store
// cookies (eg. web crawlers).
$cookies = $this->requestStack->getCurrentRequest()->cookies;
if (empty($sid) || !$cookies->has($this->getName())) {
$_session_user = new UserSession();
return '';
$data = '';
if (!empty($sid)) {
// Read the session data from the database.
$query = $this->connection
->queryRange('SELECT session FROM {sessions} WHERE sid = :sid', 0, 1, ['sid' => Crypt::hashBase64($sid)]);
$data = (string) $query->fetchField();
}
$values = $this->connection->query("SELECT u.*, s.* FROM {users_field_data} u INNER JOIN {sessions} s ON u.uid = s.uid WHERE u.default_langcode = 1 AND s.sid = :sid", array(
':sid' => Crypt::hashBase64($sid),
))->fetchAssoc();
// We found the client's session record and they are an authenticated,
// active user.
if ($values && $values['uid'] > 0 && $values['status'] == 1) {
// Add roles element to $user.
$rids = $this->connection->query("SELECT ur.roles_target_id as rid FROM {user__roles} ur WHERE ur.entity_id = :uid", array(
':uid' => $values['uid'],
))->fetchCol();
$values['roles'] = array_merge(array(AccountInterface::AUTHENTICATED_ROLE), $rids);
$_session_user = new UserSession($values);
}
elseif ($values) {
// The user is anonymous or blocked. Only preserve two fields from the
// {sessions} table.
$_session_user = new UserSession(array(
'session' => $values['session'],
'access' => $values['access'],
));
}
else {
// The session has expired.
$_session_user = new UserSession();
}
return $_session_user->session;
return $data;
}
/**
* {@inheritdoc}
*/
public function write($sid, $value) {
$user = \Drupal::currentUser();
// The exception handler is not active at this point, so we need to do it
// manually.
try {
$request = $this->requestStack->getCurrentRequest();
$fields = array(
'uid' => $user->id(),
'hostname' => $this->requestStack->getCurrentRequest()->getClientIP(),
'uid' => $request->getSession()->get('uid', 0),
'hostname' => $request->getClientIP(),
'session' => $value,
'timestamp' => REQUEST_TIME,
);
@ -127,13 +87,6 @@ class SessionHandler extends AbstractProxy implements \SessionHandlerInterface {
->keys(array('sid' => Crypt::hashBase64($sid)))
->fields($fields)
->execute();
// Likewise, do not update access time more than once per 180 seconds.
if ($user->isAuthenticated() && REQUEST_TIME - $user->getLastAccessedTime() > Settings::get('session_write_interval', 180)) {
/** @var \Drupal\user\UserStorageInterface $storage */
$storage = \Drupal::entityManager()->getStorage('user');
$storage->updateLastAccessTimestamp($user, REQUEST_TIME);
}
return TRUE;
}
catch (\Exception $exception) {
@ -159,21 +112,11 @@ class SessionHandler extends AbstractProxy implements \SessionHandlerInterface {
* {@inheritdoc}
*/
public function destroy($sid) {
// Delete session data.
$this->connection->delete('sessions')
->condition('sid', Crypt::hashBase64($sid))
->execute();
// Reset $_SESSION and current user to prevent a new session from being
// started in \Drupal\Core\Session\SessionManager::save().
$_SESSION = array();
\Drupal::currentUser()->setAccount(new AnonymousUserSession());
// Unset the session cookies.
$this->deleteCookie($this->getName());
return TRUE;
}
@ -192,19 +135,4 @@ class SessionHandler extends AbstractProxy implements \SessionHandlerInterface {
return TRUE;
}
/**
* Deletes a session cookie.
*
* @param string $name
* Name of session cookie to delete.
*/
protected function deleteCookie($name) {
$cookies = $this->requestStack->getCurrentRequest()->cookies;
if ($cookies->has($name)) {
$params = session_get_cookie_params();
setcookie($name, '', REQUEST_TIME - 3600, $params['path'], $params['domain'], $params['secure'], $params['httponly']);
$cookies->remove($name);
}
}
}

28
core/lib/Drupal/Core/Session/SessionManager.php
View File

@ -124,10 +124,6 @@ class SessionManager extends NativeSessionStorage implements SessionManagerInter
}
if (empty($result)) {
// @todo Remove global in https://www.drupal.org/node/2228393
global $_session_user;
$_session_user = new AnonymousUserSession();
// Randomly generate a session identifier for this request. This is
// necessary because \Drupal\user\SharedTempStoreFactory::get() wants to
// know the future session ID of a lazily started session in advance.
@ -184,18 +180,16 @@ class SessionManager extends NativeSessionStorage implements SessionManagerInter
* {@inheritdoc}
*/
public function save() {
$user = \Drupal::currentUser();
if ($this->isCli()) {
// We don't have anything to do if we are not allowed to save the session.
return;
}
if ($user->isAnonymous() && $this->isSessionObsolete()) {
if ($this->isSessionObsolete()) {
// There is no session data to store, destroy the session if it was
// previously started.
if ($this->getSaveHandler()->isActive()) {
session_destroy();
$this->destroy();
}
}
else {
@ -215,8 +209,6 @@ class SessionManager extends NativeSessionStorage implements SessionManagerInter
* {@inheritdoc}
*/
public function regenerate($destroy = FALSE, $lifetime = NULL) {
$user = \Drupal::currentUser();
// Nothing to do if we are not allowed to change the session.
if ($this->isCli()) {
return;
@ -261,6 +253,22 @@ class SessionManager extends NativeSessionStorage implements SessionManagerInter
->execute();
}
/**
* {@inheritdoc}
*/
public function destroy() {
session_destroy();
// Unset the session cookies.
$session_name = $this->getName();
$cookies = $this->requestStack->getCurrentRequest()->cookies;
if ($cookies->has($session_name)) {
$params = session_get_cookie_params();
setcookie($session_name, '', REQUEST_TIME - 3600, $params['path'], $params['domain'], $params['secure'], $params['httponly']);
$cookies->remove($session_name);
}
}
/**
* {@inheritdoc}
*/

5
core/lib/Drupal/Core/Session/SessionManagerInterface.php
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@ -22,6 +22,11 @@ interface SessionManagerInterface extends SessionStorageInterface {
*/
public function delete($uid);
/**
* Destroys the current session and removes session cookies.
*/
public function destroy();
/**
* Sets the write safe session handler.
*

103
core/modules/user/src/Authentication/Provider/Cookie.php Normal file
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@ -0,0 +1,103 @@
<?php
/**
* @file
* Contains \Drupal\user\Authentication\Provider\Cookie.
*/
namespace Drupal\user\Authentication\Provider;
use Drupal\Core\Authentication\AuthenticationProviderInterface;
use Drupal\Core\Database\Connection;
use Drupal\Core\Session\AccountInterface;
use Drupal\Core\Session\UserSession;
use Drupal\Core\Session\SessionConfigurationInterface;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Session\SessionInterface;
/**
* Cookie based authentication provider.
*/
class Cookie implements AuthenticationProviderInterface {
/**
* The session configuration.
*
* @var \Drupal\Core\Session\SessionConfigurationInterface
*/
protected $sessionConfiguration;
/**
* The database connection.
*
* @var \Drupal\Core\Database\Connection
*/
protected $connection;
/**
* Constructs a new cookie authentication provider.
*
* @param \Drupal\Core\Session\SessionConfigurationInterface $session_configuration
* The session configuration.
* @param \Drupal\Core\Database\Connection $connection
* The database connection.
*/
public function __construct(SessionConfigurationInterface $session_configuration, Connection $connection) {
$this->sessionConfiguration = $session_configuration;
$this->connection = $connection;
}
/**
* {@inheritdoc}
*/
public function applies(Request $request) {
return $request->hasSession() && $this->sessionConfiguration->hasSession($request);
}
/**
* {@inheritdoc}
*/
public function authenticate(Request $request) {
return $this->getUserFromSession($request->getSession());
}
/**
* Returns the UserSession object for the given session.
*
* @param \Symfony\Component\HttpFoundation\Session\SessionInterface $session
* The session.
*
* @return \Drupal\Core\Session\AccountInterface|NULL
* The UserSession object for the current user, or NULL if this is an
* anonymous session.
*/
protected function getUserFromSession(SessionInterface $session) {
if ($uid = $session->get('uid')) {
// @todo Load the User entity in SessionHandler so we don't need queries.
// @see https://www.drupal.org/node/2345611
$values = $this->connection
->query('SELECT * FROM {users_field_data} u WHERE u.uid = :uid AND u.default_langcode = 1', [':uid' => $uid])
->fetchAssoc();
// Check if the user data was found and the user is active.
if (!empty($values) && $values['status'] == 1) {
// UserSession::getLastAccessedTime() returns session save timestamp,
// while User::getLastAccessedTime() returns the user 'access'
// timestamp. This ensures they are synchronized.
$values['timestamp'] = $values['access'];
// Add the user's roles.
$rids = $this->connection
->query('SELECT roles_target_id FROM {user__roles} WHERE entity_id = :uid', [':uid' => $values['uid']])
->fetchCol();
$values['roles'] = array_merge([AccountInterface::AUTHENTICATED_ROLE], $rids);
return new UserSession($values);
}
}
// This is an anonymous session.
return NULL;
}
}

75
core/modules/user/src/EventSubscriber/UserRequestSubscriber.php Normal file
View File

@ -0,0 +1,75 @@
<?php
/**
* @file
* Contains \Drupal\user\EventSubscriber\UserRequestSubscriber.
*/
namespace Drupal\user\EventSubscriber;
use Drupal\Core\Entity\EntityManagerInterface;
use Drupal\Core\Session\AccountInterface;
use Drupal\Core\Site\Settings;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpKernel\Event\PostResponseEvent;
use Symfony\Component\HttpKernel\KernelEvents;
/**
* Updates the current user's last access time.
*/
class UserRequestSubscriber implements EventSubscriberInterface {
/**
* The current account.
*
* @var \Drupal\Core\Session\AccountInterface
*/
protected $account;
/**
* The entity manager.
*
* @var \Drupal\Core\Entity\EntityManagerInterface
*/
protected $entityManager;
/**
* Constructs a new UserRequestSubscriber.
*
* @param \Drupal\Core\Session\AccountInterface $account
* The current user.
* @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
* The entity manager.
*/
public function __construct(AccountInterface $account, EntityManagerInterface $entity_manager) {
$this->account = $account;
$this->entityManager = $entity_manager;
}
/**
* Updates the current user's last access time.
*
* @param \Symfony\Component\HttpKernel\Event\PostResponseEvent $event
* The event to process.
*/
public function onKernelTerminate(PostResponseEvent $event) {
if ($this->account->isAuthenticated() && REQUEST_TIME - $this->account->getLastAccessedTime() > Settings::get('session_write_interval', 180)) {
// Do that no more than once per 180 seconds.
/** @var \Drupal\user\UserStorageInterface $storage */
$storage = $this->entityManager->getStorage('user');
$storage->updateLastAccessTimestamp($this->account, REQUEST_TIME);
}
}
/**
* {@inheritdoc}
*/
public static function getSubscribedEvents() {
// Should go before other subscribers start to write their caches. Notably
// before \Drupal\Core\EventSubscriber\KernelDestructionSubscriber to
// prevent instantiation of destructed services.
$events[KernelEvents::TERMINATE][] = ['onKernelTerminate', 300];
return $events;
}
}

5
core/modules/user/user.module
View File

@ -528,7 +528,7 @@ function user_login_finalize(UserInterface $account) {
// fails or incorrectly does a redirect which would leave the old session
// in place.
\Drupal::service('session')->migrate();
\Drupal::service('session')->set('uid', $account->id());
\Drupal::moduleHandler()->invokeAll('user_login', array($account));
}
@ -1386,7 +1386,8 @@ function user_logout() {
// Session::invalidate(). Regrettably this method is currently broken and may
// lead to the creation of spurious session records in the database.
// @see https://github.com/symfony/symfony/issues/12375
session_destroy();
\Drupal::service('session_manager')->destroy();
$user->setAccount(new AnonymousUserSession());
}
/**

9
core/modules/user/user.services.yml
View File

@ -16,8 +16,8 @@ services:
tags:
- { name: access_check, applies_to: _user_is_logged_in }
authentication.cookie:
class: Drupal\Core\Authentication\Provider\Cookie
arguments: ['@session_configuration']
class: Drupal\user\Authentication\Provider\Cookie
arguments: ['@session_configuration', '@database']
tags:
- { name: authentication_provider, priority: 0 }
user.data:
@ -35,6 +35,11 @@ services:
arguments: ['@current_user', '@url_generator']
tags:
- { name: event_subscriber }
user_last_access_subscriber:
class: Drupal\user\EventSubscriber\UserRequestSubscriber
arguments: ['@current_user', '@entity.manager']
tags:
- { name: event_subscriber }
theme.negotiator.admin_theme:
class: Drupal\user\Theme\AdminNegotiator
arguments: ['@current_user', '@config.factory', '@entity.manager', '@router.admin_context']