<!DOCTYPE html>
<meta charset="utf-8">
<title>DBSC session sends debug header</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/get-host-info.sub.js"></script>
<script src="helper.js" type="module"></script>

<script type="module">
  import { expireCookie, documentHasCookie, waitForCookie, addCookieAndSessionCleanup, configureServer, setupShardedServerState } from "./helper.js";

  promise_test(async t => {
    await setupShardedServerState();
    const expectedCookieAndValue = "auth_cookie=abcdef0123";
    const expectedCookieAndAttributes = `${expectedCookieAndValue};Domain=${location.hostname};Path=/device-bound-session-credentials`;
    addCookieAndSessionCleanup(t);

    // Prompt starting a session, and wait until registration completes.
    const loginResponse = await fetch('login.py');
    assert_equals(loginResponse.status, 200);
    await waitForCookie(expectedCookieAndValue, /*expectCookie=*/true);

    // Configure server to fail to refresh
    configureServer({ refreshEndpointUnavailable: true });

    // Expire the cookie. The server will attempt a refresh, but fail.
    expireCookie(expectedCookieAndAttributes);
    assert_false(documentHasCookie(expectedCookieAndValue));

    const response = await fetch('reflect_headers.py');
    assert_equals(response.status, 200);
    assert_false(documentHasCookie(expectedCookieAndValue));
    const headers = new Headers(await response.json());
    assert_equals(headers.get("secure-session-skipped"), "server_error;session_identifier=\"0\"");
  }, "A session that fails to reach the refresh endpoint sets debug header");

  // Create a session, then make the refresh endpoint unreachable and a
  // refresh required.
  async function setupRedirectTest(t) {
    await setupShardedServerState();
    const expectedCookieAndValue = "auth_cookie=abcdef0123";
    const expectedCookieAndAttributes = `${expectedCookieAndValue};Domain=${location.hostname};Path=/device-bound-session-credentials`;
    addCookieAndSessionCleanup(t);

    // Prompt starting a session, and wait until registration completes.
    const loginResponse = await fetch('login.py');
    assert_equals(loginResponse.status, 200);
    await waitForCookie(expectedCookieAndValue, /*expectCookie=*/true);

    // Configure server to fail to refresh
    configureServer({ refreshEndpointUnavailable: true });

    // Expire the cookie. The server will attempt a refresh, but fail.
    expireCookie(expectedCookieAndAttributes);
    assert_false(documentHasCookie(expectedCookieAndValue));
  }

  promise_test(async t => {
    const expectedCookieAndValue = "auth_cookie=abcdef0123";
    await setupRedirectTest(t);

    const response = await fetch('redirect.py?reflect_headers.py');
    assert_equals(response.status, 200);
    assert_false(documentHasCookie(expectedCookieAndValue));
    const headers = new Headers(await response.json());
    assert_equals(headers.get("secure-session-skipped"), "server_error;session_identifier=\"0\"");
  }, "Same-site redirects continue to send debug header");

  promise_test(async t => {
    const expectedCookieAndValue = "auth_cookie=abcdef0123";
    await setupRedirectTest(t);

    const response = await fetch(`redirect.py?${get_host_info().HTTPS_NOTSAMESITE_ORIGIN}/device-bound-session-credentials/reflect_headers.py`);
    assert_equals(response.status, 200);
    assert_false(documentHasCookie(expectedCookieAndValue));
    const headers = new Headers(await response.json());
    assert_equals(headers.get("secure-session-skipped"), null);
  }, "Cross-site redirects do not send debug header");
</script>