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// Utility functions to help testing keepalive requests.
// Returns a different-site URL to an iframe that loads a keepalive URL.
//
// The keepalive URL points to a target that stores `token`. The token will then
// be posted back to parent document.
// `method` defaults to GET.
// `sendOnPagehide` to tell if request should be sent on pagehide instead.
function getKeepAliveIframeUrl(token, method, sendOnPagehide = false) {
const https = location.protocol.startsWith('https');
const frameOrigin =
get_host_info()[https ? 'HTTPS_NOTSAMESITE_ORIGIN' : 'HTTP_NOTSAMESITE_ORIGIN'];
return `${frameOrigin}/fetch/api/resources/keepalive-iframe.html?` +
`token=${token}&` +
`method=${method}&` +
`sendOnPagehide=${sendOnPagehide}`;
}
// Returns a different-site URL to an iframe that loads a keepalive URL.
//
// By default, the keepalive URL points to a target that redirects to another
// same-origin destination storing `token`. The token will then be posted back
// to parent document.
//
// The URL redirects can be customized from `origin1` to `origin2` if provided.
// Sets `withPreflight` to true to get URL enabling preflight.
function getKeepAliveAndRedirectIframeUrl(
token, origin1, origin2, withPreflight) {
const https = location.protocol.startsWith('https');
const frameOrigin =
get_host_info()[https ? 'HTTPS_NOTSAMESITE_ORIGIN' : 'HTTP_NOTSAMESITE_ORIGIN'];
return `${frameOrigin}/fetch/api/resources/keepalive-redirect-iframe.html?` +
`token=${token}&` +
`origin1=${origin1}&` +
`origin2=${origin2}&` + (withPreflight ? `with-headers` : ``);
}
async function iframeLoaded(iframe) {
return new Promise((resolve) => iframe.addEventListener('load', resolve));
}
// Obtains the token from the message posted by iframe after loading
// `getKeepAliveAndRedirectIframeUrl()`.
async function getTokenFromMessage() {
return new Promise((resolve) => {
window.addEventListener('message', (event) => {
resolve(event.data);
}, {once: true});
});
}
// Tells if `token` has been stored in the server.
async function queryToken(token) {
const response = await fetch(`../resources/stash-take.py?key=${token}`);
const json = await response.json();
return json;
}
// In order to parallelize the work, we are going to have an async_test
// for the rest of the work. Note that we want the serialized behavior
// for the steps so far, so we don't want to make the entire test case
// an async_test.
function assertStashedTokenAsync(testName, token, {shouldPass = true} = {}) {
async_test((test) => {
new Promise((resolve) => test.step_timeout(resolve, 3000))
.then(() => {
return queryToken(token);
})
.then((result) => {
assert_equals(result, 'on');
})
.then(() => {
test.done();
})
.catch(test.step_func((e) => {
if (shouldPass) {
assert_unreached(e);
} else {
test.done();
}
}));
}, testName);
}
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