--- /dev/null
+<?php
+
+namespace Drupal\system\Tests\Session;
+
+use Drupal\simpletest\WebTestBase;
+use Symfony\Component\HttpFoundation\Request;
+use Drupal\Component\Utility\Crypt;
+use Drupal\Core\Session\AccountInterface;
+
+/**
+ * Ensure that when running under HTTPS two session cookies are generated.
+ *
+ * @group Session
+ */
+class SessionHttpsTest extends WebTestBase {
+
+ /**
+ * The name of the session cookie when using HTTP.
+ *
+ * @var string
+ */
+ protected $insecureSessionName;
+
+ /**
+ * The name of the session cookie when using HTTPS.
+ *
+ * @var string
+ */
+ protected $secureSessionName;
+
+ /**
+ * Modules to enable.
+ *
+ * @var array
+ */
+ public static $modules = ['session_test'];
+
+ protected function setUp() {
+ parent::setUp();
+
+ $request = Request::createFromGlobals();
+ if ($request->isSecure()) {
+ $this->secureSessionName = $this->getSessionName();
+ $this->insecureSessionName = substr($this->getSessionName(), 1);
+ }
+ else {
+ $this->secureSessionName = 'S' . $this->getSessionName();
+ $this->insecureSessionName = $this->getSessionName();
+ }
+ }
+
+ public function testHttpsSession() {
+ $user = $this->drupalCreateUser(['access administration pages']);
+
+ // Test HTTPS session handling by altering the form action to submit the
+ // login form through https.php, which creates a mock HTTPS request.
+ $this->loginHttps($user);
+
+ // Test a second concurrent session.
+ $this->curlClose();
+ $this->curlCookies = [];
+ $this->loginHttps($user);
+
+ // Check secure cookie on secure page.
+ $this->assertTrue($this->cookies[$this->secureSessionName]['secure'], 'The secure cookie has the secure attribute');
+ // Check insecure cookie is not set.
+ $this->assertFalse(isset($this->cookies[$this->insecureSessionName]));
+ $ssid = $this->cookies[$this->secureSessionName]['value'];
+ $this->assertSessionIds($ssid, 'Session has a non-empty SID and a correct secure SID.');
+
+ // Verify that user is logged in on secure URL.
+ $this->drupalGet($this->httpsUrl('admin/config'));
+ $this->assertText(t('Configuration'));
+ $this->assertResponse(200);
+
+ // Verify that user is not logged in on non-secure URL.
+ $this->drupalGet($this->httpUrl('admin/config'));
+ $this->assertNoText(t('Configuration'));
+ $this->assertResponse(403);
+
+ // Verify that empty SID cannot be used on the non-secure site.
+ $this->curlClose();
+ $this->curlCookies = [$this->insecureSessionName . '='];
+ $this->drupalGet($this->httpUrl('admin/config'));
+ $this->assertResponse(403);
+
+ // Test HTTP session handling by altering the form action to submit the
+ // login form through http.php, which creates a mock HTTP request on HTTPS
+ // test environments.
+ $this->curlClose();
+ $this->curlCookies = [];
+ $this->loginHttp($user);
+ $this->drupalGet($this->httpUrl('admin/config'));
+ $this->assertResponse(200);
+ $sid = $this->cookies[$this->insecureSessionName]['value'];
+ $this->assertSessionIds($sid, '', 'Session has the correct SID and an empty secure SID.');
+
+ // Verify that empty secure SID cannot be used on the secure site.
+ $this->curlClose();
+ $this->curlCookies = [$this->secureSessionName . '='];
+ $this->drupalGet($this->httpsUrl('admin/config'));
+ $this->assertResponse(403);
+
+ // Clear browser cookie jar.
+ $this->cookies = [];
+ }
+
+ /**
+ * Log in a user via HTTP.
+ *
+ * Note that the parents $session_id and $loggedInUser is not updated.
+ */
+ protected function loginHttp(AccountInterface $account) {
+ $this->drupalGet('user/login');
+
+ // Alter the form action to submit the login form through http.php, which
+ // creates a mock HTTP request on HTTPS test environments.
+ $form = $this->xpath('//form[@id="user-login-form"]');
+ $form[0]['action'] = $this->httpUrl('user/login');
+ $edit = ['name' => $account->getUsername(), 'pass' => $account->pass_raw];
+
+ // When posting directly to the HTTP or HTTPS mock front controller, the
+ // location header on the returned response is an absolute URL. That URL
+ // needs to be converted into a request to the respective mock front
+ // controller in order to retrieve the target page. Because the URL in the
+ // location header needs to be modified, it is necessary to disable the
+ // automatic redirects normally performed by parent::curlExec().
+ $maximum_redirects = $this->maximumRedirects;
+ $this->maximumRedirects = 0;
+ $this->drupalPostForm(NULL, $edit, t('Log in'));
+ $this->maximumRedirects = $maximum_redirects;
+
+ // Follow the location header.
+ $path = $this->getPathFromLocationHeader(FALSE);
+ $this->drupalGet($this->httpUrl($path));
+ $this->assertResponse(200);
+ }
+
+ /**
+ * Log in a user via HTTPS.
+ *
+ * Note that the parents $session_id and $loggedInUser is not updated.
+ */
+ protected function loginHttps(AccountInterface $account) {
+ $this->drupalGet('user/login');
+
+ // Alter the form action to submit the login form through https.php, which
+ // creates a mock HTTPS request on HTTP test environments.
+ $form = $this->xpath('//form[@id="user-login-form"]');
+ $form[0]['action'] = $this->httpsUrl('user/login');
+ $edit = ['name' => $account->getUsername(), 'pass' => $account->pass_raw];
+
+ // When posting directly to the HTTP or HTTPS mock front controller, the
+ // location header on the returned response is an absolute URL. That URL
+ // needs to be converted into a request to the respective mock front
+ // controller in order to retrieve the target page. Because the URL in the
+ // location header needs to be modified, it is necessary to disable the
+ // automatic redirects normally performed by parent::curlExec().
+ $maximum_redirects = $this->maximumRedirects;
+ $this->maximumRedirects = 0;
+ $this->drupalPostForm(NULL, $edit, t('Log in'));
+ $this->maximumRedirects = $maximum_redirects;
+
+ // When logging in via the HTTPS mock, the child site will issue a session
+ // cookie with the secure attribute set. While this cookie will be stored in
+ // the curl handle, it will not be used on subsequent requests via the HTTPS
+ // mock, unless when operating in a true HTTPS environment. Therefore it is
+ // necessary to manually collect the session cookie and add it to the
+ // curlCookies property such that it will be used on subsequent requests via
+ // the HTTPS mock.
+ $this->curlCookies = [$this->secureSessionName . '=' . $this->cookies[$this->secureSessionName]['value']];
+
+ // Follow the location header.
+ $path = $this->getPathFromLocationHeader(TRUE);
+ $this->drupalGet($this->httpsUrl($path));
+ $this->assertResponse(200);
+ }
+
+ /**
+ * Extract internal path from the location header on the response.
+ */
+ protected function getPathFromLocationHeader($https = FALSE, $response_code = 303) {
+ // Generate the base_url.
+ $base_url = $this->container->get('url_generator')->generateFromRoute('<front>', [], ['absolute' => TRUE]);
+ if ($https) {
+ $base_url = str_replace('http://', 'https://', $base_url);
+ }
+ else {
+ $base_url = str_replace('https://', 'http://', $base_url);
+ }
+
+ // The mock front controllers (http.php and https.php) add the script name
+ // to $_SERVER['REQEUST_URI'] and friends. Therefore it is necessary to
+ // strip that also.
+ $base_url .= 'index.php/';
+
+ // Extract relative path from location header.
+ $this->assertResponse($response_code);
+ $location = $this->drupalGetHeader('location');
+
+ $this->assertIdentical(strpos($location, $base_url), 0, 'Location header contains expected base URL');
+ return substr($location, strlen($base_url));
+ }
+
+ /**
+ * Test that there exists a session with two specific session IDs.
+ *
+ * @param $sid
+ * The insecure session ID to search for.
+ * @param $assertion_text
+ * The text to display when we perform the assertion.
+ *
+ * @return
+ * The result of assertTrue() that there's a session in the system that
+ * has the given insecure and secure session IDs.
+ */
+ protected function assertSessionIds($sid, $assertion_text) {
+ $args = [
+ ':sid' => Crypt::hashBase64($sid),
+ ];
+ return $this->assertTrue(db_query('SELECT timestamp FROM {sessions} WHERE sid = :sid', $args)->fetchField(), $assertion_text);
+ }
+
+ /**
+ * Builds a URL for submitting a mock HTTPS request to HTTP test environments.
+ *
+ * @param $url
+ * A Drupal path such as 'user/login'.
+ *
+ * @return
+ * URL prepared for the https.php mock front controller.
+ */
+ protected function httpsUrl($url) {
+ return 'core/modules/system/tests/https.php/' . $url;
+ }
+
+ /**
+ * Builds a URL for submitting a mock HTTP request to HTTPS test environments.
+ *
+ * @param $url
+ * A Drupal path such as 'user/login'.
+ *
+ * @return
+ * URL prepared for the http.php mock front controller.
+ */
+ protected function httpUrl($url) {
+ return 'core/modules/system/tests/http.php/' . $url;
+ }
+
+}
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