forked from mirrors/gecko-dev
101 lines
2.8 KiB
JavaScript
101 lines
2.8 KiB
JavaScript
"use strict";
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function handleRequest(request, response) {
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response.setHeader("Content-Type", "html", false);
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// Check the params and set the cross-origin-opener policy headers if needed
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Components.utils.importGlobalProperties(["URLSearchParams"]);
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const query = new URLSearchParams(request.queryString);
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if (query.get("crossOriginIsolated") === "true") {
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response.setHeader("Cross-Origin-Opener-Policy", "same-origin", false);
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}
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// We always want the iframe to have a different host from the top-level document.
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const iframeHost =
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request.host === "example.com" ? "example.org" : "example.com";
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const iframeOrigin = `${request.scheme}://${iframeHost}`;
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const IFRAME_HTML = `
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<!doctype html>
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<html>
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<head>
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<meta charset=utf8>
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<script>
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globalThis.initialMatchesPrefersDarkColorScheme =
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window.matchMedia("(prefers-color-scheme: dark)").matches;
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globalThis.initialMatchesCoarsePointer =
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window.matchMedia("(pointer: coarse)").matches;
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globalThis.initialDevicePixelRatio = window.devicePixelRatio;
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globalThis.initialUserAgent = navigator.userAgent;
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</script>
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<style>
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html { background: cyan;}
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button {
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font-size: 2em;
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padding-inline: 1em;
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}
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@media (prefers-color-scheme: dark) {
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html {background: darkred;}
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}
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</style>
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</head>
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<body>
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<h1>Iframe</h1>
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<button>Target</button>
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</body>
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</html>`;
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const HTML = `
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<!doctype html>
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<html>
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<head>
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<meta charset=utf8>
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<title>test</title>
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<script type="application/javascript">
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"use strict";
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/*
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* Store the result of dark color-scheme match very early in the document loading process
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* so we can assert in tests that the simulation starts early enough.
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*/
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globalThis.initialMatchesPrefersDarkColorScheme =
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window.matchMedia("(prefers-color-scheme: dark)").matches;
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globalThis.initialMatchesCoarsePointer =
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window.matchMedia("(pointer: coarse)").matches;
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globalThis.initialDevicePixelRatio = window.devicePixelRatio
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globalThis.initialUserAgent = navigator.userAgent;
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</script>
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<style>
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iframe {
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display: block;
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margin-top: 1em;
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}
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button {
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font-size: 2em;
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padding-inline: 1em;
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}
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@media (prefers-color-scheme: dark) {
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html {
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background-color: darkblue;
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}
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}
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</style>
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</head>
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<body>
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<h1>Test color-scheme simulation</h1>
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<button>Target</button>
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<iframe src='${iframeOrigin}/document-builder.sjs?html=${encodeURI(
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IFRAME_HTML
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)}'></iframe>
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</body>
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</html>`;
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response.write(HTML);
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}
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