function UserLoginHttpTest::doTestPerUserLoginFloodControl

Tests the per-user login flood control for a given serialization format.

See also

\Drupal\basic_auth\Authentication\Provider\BasicAuthTest::testPerUserLoginFloodControl

\Drupal\Tests\user\Functional\UserLoginTest::testPerUserLoginFloodControl

File

core/modules/user/tests/src/Functional/UserLoginHttpTest.php, line 370

Class

UserLoginHttpTest

Tests login and password reset via direct HTTP.

Namespace

Code

public function doTestPerUserLoginFloodControl($format) : void {
    $database = \Drupal::database();
    foreach ([
        TRUE,
        FALSE,
    ] as $uid_only_setting) {
        $this->config('user.flood')
            ->set('ip_limit', 4000)
            ->set('user_limit', 3)
            ->set('uid_only', $uid_only_setting)
            ->save();
        $user1 = $this->drupalCreateUser([]);
        $incorrect_user1 = clone $user1;
        $incorrect_user1->passRaw .= 'incorrect';
        $user2 = $this->drupalCreateUser([]);
        // Try 2 failed logins.
        for ($i = 0; $i < 2; $i++) {
            $response = $this->loginRequest($incorrect_user1->getAccountName(), $incorrect_user1->passRaw, $format);
            $this->assertHttpResponseWithMessage($response, 400, 'Sorry, unrecognized username or password.', $format);
        }
        // A successful login will reset the per-user flood control count.
        $response = $this->loginRequest($user1->getAccountName(), $user1->passRaw, $format);
        $result_data = $this->serializer
            ->decode($response->getBody(), $format);
        $this->logoutRequest($format, $result_data['logout_token']);
        // Try 3 failed logins for user 1, they will not trigger flood control.
        for ($i = 0; $i < 3; $i++) {
            $response = $this->loginRequest($incorrect_user1->getAccountName(), $incorrect_user1->passRaw, $format);
            $this->assertHttpResponseWithMessage($response, 400, 'Sorry, unrecognized username or password.', $format);
        }
        // Try one successful attempt for user 2, it should not trigger any
        // flood control.
        $this->drupalLogin($user2);
        $this->drupalLogout();
        // Try one more attempt for user 1, it should be rejected, even if the
        // correct password has been used.
        $response = $this->loginRequest($user1->getAccountName(), $user1->passRaw, $format);
        // Depending on the uid_only setting the error message will be different.
        if ($uid_only_setting) {
            $expected_message = 'There have been more than 3 failed login attempts for this account. It is temporarily blocked. Try again later or request a new password.';
            $expected_log = 'Flood control blocked login attempt for uid %uid';
        }
        else {
            $expected_message = 'Too many failed login attempts from your IP address. This IP address is temporarily blocked.';
            $expected_log = 'Flood control blocked login attempt for uid %uid from %ip';
        }
        $this->assertHttpResponseWithMessage($response, 403, $expected_message, $format);
        $last_log = $database->select('watchdog', 'w')
            ->fields('w', [
            'message',
        ])
            ->condition('type', 'user')
            ->orderBy('wid', 'DESC')
            ->range(0, 1)
            ->execute()
            ->fetchField();
        $this->assertEquals($expected_log, $last_log, 'A watchdog message was logged for the login attempt blocked by flood control per user.');
    }
}