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78 lines
2.3 KiB
JavaScript
78 lines
2.3 KiB
JavaScript
Cu.importGlobalProperties(["URLSearchParams"]);
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function handleRequest(request, response) {
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if (request.queryString == "reset") {
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setState("index", "0");
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response.setStatusLine(request.httpVersion, 200, "Ok");
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response.write("Reset");
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return;
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}
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let refresh = "";
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let index = Number(getState("index"));
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// index == 0 First load, returns first meta refresh
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// index == 1 Second load, caused by first meta refresh, returns second meta refresh
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// index == 2 Third load, caused by second meta refresh, doesn't return a meta refresh
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let query = new URLSearchParams(request.queryString);
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if (index < 2) {
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refresh = query.get("seconds");
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if (query.get("crossOrigin") == "true") {
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const hosts = ["example.org", "example.com"];
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let url = `${request.scheme}://${hosts[index]}${request.path}?${request.queryString}`;
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refresh += `; url=${url}`;
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}
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refresh = `<meta http-equiv="Refresh" content="${refresh}">`;
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}
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// We want to scroll for the first load, and check that the meta refreshes keep the same
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// scroll position.
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let scroll = index == 0 ? `scrollTo(0, ${query.get("scrollTo")});` : "";
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setState("index", String(index + 1));
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response.write(
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`<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta http-equiv="Cache-Control" content="no-cache">
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${refresh}
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<script>
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window.addEventListener("pageshow", () => {
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${scroll}
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window.top.opener.postMessage({
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commandType: "pageShow",
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commandData: {
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inputValue: document.getElementById("input").value,
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scrollPosition: window.scrollY,
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},
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}, "*");
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});
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window.addEventListener("message", ({ data }) => {
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if (data == "changeInputValue") {
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document.getElementById("input").value = "1234";
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window.top.opener.postMessage({
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commandType: "onChangedInputValue",
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commandData: {
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historyLength: history.length,
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inputValue: document.getElementById("input").value,
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},
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}, "*");
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} else if (data == "loadNext") {
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location.href += "&loadnext=1";
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} else if (data == "back") {
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history.back();
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}
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});
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</script>
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</head>
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<body>
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<input type="text" id="input" value="initial"></input>
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<div style='height: 9000px;'></div>
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<p>
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</p>
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</body>
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</html>`
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);
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}
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