mozilla-central/testing/web-platform/tests/xhr/access-control-and-redirects-async-same-origin.any.js (file symbol)

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// META: title=Tests that asynchronous XMLHttpRequests handle redirects according to the CORS standard.
// META: script=/common/get-host-info.sub.js
function runTest(test, path, credentials, expectSuccess) {
const xhr = new XMLHttpRequest();
xhr.withCredentials = credentials;
xhr.open("GET", "resources/redirect.py?location=" + get_host_info().HTTP_REMOTE_ORIGIN + path, true);
xhr.onload = test.step_func_done(function() {
assert_true(expectSuccess);
assert_equals(xhr.responseText, "PASS: Cross-domain access allowed.");
});
xhr.onerror = test.step_func_done(function() {
assert_false(expectSuccess);
assert_equals(xhr.status, 0);
});
xhr.send(null);
}
const withoutCredentials = false;
const withCredentials = true;
const succeeds = true;
const fails = false;
// Test simple same origin requests that receive cross origin redirects.
// The redirect response passes the access check.
async_test(t => {
runTest(t, "/xhr/resources/access-control-basic-allow-star.py",
withoutCredentials, succeeds)
}, "Request without credentials is redirected to a cross-origin response with Access-Control-Allow-Origin=* (with star)");
// The redirect response fails the access check because credentials were sent.
async_test(t => {
runTest(t, "/xhr/resources/access-control-basic-allow-star.py",
withCredentials, fails)
}, "Request with credentials is redirected to a cross-origin response with Access-Control-Allow-Origin=* (with star)");
// The redirect response passes the access check.
async_test(t => {
runTest(t, "/xhr/resources/access-control-basic-allow.py",
withoutCredentials, succeeds)
}, "Request without credentials is redirected to a cross-origin response with a specific Access-Control-Allow-Origin");
// The redirect response passes the access check.
async_test(t => {
runTest(t, "/xhr/resources/access-control-basic-allow.py",
withCredentials, succeeds)
}, "Request with credentials is redirected to a cross-origin response with a specific Access-Control-Allow-Origin");
// forbidding credentials. The redirect response passes the access check.
async_test(t => {
runTest(t, "/xhr/resources/access-control-basic-allow-no-credentials.py",
withoutCredentials, succeeds)
}, "Request without credentials is redirected to a cross-origin response with a specific Access-Control-Allow-Origin (no credentials)");
// forbidding credentials. The redirect response fails the access check.
async_test(t => {
runTest(t, "/xhr/resources/access-control-basic-allow-no-credentials.py",
withCredentials, fails)
}, "Request with credentials is redirected to a cross-origin response with a specific Access-Control-Allow-Origin (no credentials)");