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<!DOCTYPE HTML>

<html>
<head>
<meta charset="utf-8">
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/ExtensionTestUtils.js"></script>
  <script type="text/javascript" src="head.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>

<form method="post"
  action="file_WebRequest_page3.html?trigger=form"
  target="_blank"
  enctype="multipart/form-data"
  >
<input type="text" name="&quot;special&quot; &#x0D;&#x0A; ch�rs" value="sp�cial">
<input type="file" name="testFile">
<input type="file" name="emptyFile">
<input type="text" name="textInput1" value="value1">
</form>

<form method="post"
  action="file_WebRequest_page3.html?trigger=form"
  target="_blank"
  enctype="multipart/form-data"
  >
<input type="text" name="textInput2" value="value2">
<input type="file" name="testFile">
<input type="file" name="emptyFile">
</form>

</form>
<form method="post"
  action="file_WebRequest_page3.html?trigger=form"
  target="_blank"
  >
<input type="text" name="textInput" value="value1">
<input type="text" name="textInput" value="value2">
</form>
<script>
"use strict";

let files, testFile, blob, file, uploads;
add_task(async function test_setup() {
  files = await new Promise(resolve => {
    SpecialPowers.createFiles([{name: "testFile.pdf", data: "Not really a PDF file :)", "type": "application/x-pdf"}], (result) => {
      resolve(result);
    });
  });
  testFile = files[0];
  blob = {
    name: "blobAsFile",
    content: new Blob(["A blob sent as a file"], {type: "text/csv"}),
    fileName: "blobAsFile.csv",
  };
  file = {
    name: "testFile",
    fileName: testFile.name,
  };
  uploads = {
    [blob.name]: blob,
    [file.name]: file,
    "emptyFile": {fileName: ""}
  };
});

function background() {
  const FILTERS = {urls: ["<all_urls>"]};

  function onUpload(details) {
    let url = new URL(details.url);
    let upload = url.searchParams.get("upload");
    if (!upload) {
      return;
    }

    let requestBody = details.requestBody;
    browser.test.log(`onBeforeRequest upload: ${details.url} ${JSON.stringify(details.requestBody)}`);
    browser.test.assertTrue(!!requestBody, `Intercepted upload ${details.url} #${details.requestId} ${upload} have a requestBody`);
    if (!requestBody) {
      return;
    }
    let byteLength = parseInt(upload, 10);
    if (byteLength) {
      browser.test.assertTrue(!!requestBody.raw, `Binary upload ${details.url} #${details.requestId} ${upload} have a raw attribute`);
      browser.test.assertEq(byteLength, requestBody.raw && requestBody.raw.map(r => r.bytes ? r.bytes.byteLength : 0).reduce((a, b) => a + b), `Binary upload size matches`);
      return;
    }
    if ("raw" in requestBody) {
      browser.test.assertEq(upload, JSON.stringify(requestBody.raw).replace(/(\bfile: ")[^"]+/, "$1<file>"), `Upload ${details.url} #${details.requestId} matches raw data`);
    } else {
      browser.test.assertEq(upload, JSON.stringify(requestBody.formData), `Upload ${details.url} #${details.requestId} matches form data.`);
    }
  }

  browser.webRequest.onCompleted.addListener(
    details => {
      browser.test.log(`onCompleted ${details.requestId} ${details.url}`);
      // See bug 1471387
      if (details.url.endsWith("/favicon.ico") || details.originUrl == "about:newtab") {
        return;
      }

      browser.test.sendMessage("done");
    },
    FILTERS);

  let onBeforeRequest = details => {
    browser.test.log(`${name} ${details.requestId} ${details.url}`);
    // See bug 1471387
    if (details.url.endsWith("/favicon.ico") || details.originUrl == "about:newtab") {
      return;
    }

    onUpload(details);
  };

  browser.webRequest.onBeforeRequest.addListener(
    onBeforeRequest, FILTERS, ["requestBody"]);

  let tab;
  browser.tabs.onCreated.addListener(newTab => {
    tab = newTab;
  });

  browser.test.onMessage.addListener(msg => {
    if (msg === "close-tab") {
      browser.tabs.remove(tab.id);
      browser.test.sendMessage("tab-closed");
    }
  });
}

add_task(async function test_xhr_forms() {
  let extension = ExtensionTestUtils.loadExtension({
    manifest: {
      permissions: [
        "tabs",
        "webRequest",
        "webRequestBlocking",
        "<all_urls>",
      ],
    },
    background,
  });

  await extension.startup();

  async function doneAndTabClosed() {
    await extension.awaitMessage("done");
    let closed = extension.awaitMessage("tab-closed");
    extension.sendMessage("close-tab");
    await closed;
  }

  for (let form of document.forms) {
    if (file.name in form.elements) {
      SpecialPowers.wrap(form.elements[file.name]).mozSetFileArray(files);
    }
    let action = new URL(form.action);
    let formData = new FormData(form);
    let webRequestFD = {};

    let updateActionURL = () => {
      for (let name of formData.keys()) {
        webRequestFD[name] = name in uploads ? [uploads[name].fileName] : formData.getAll(name);
      }
      action.searchParams.set("upload", JSON.stringify(webRequestFD));
      action.searchParams.set("enctype", form.enctype);
    };

    updateActionURL();

    form.action = action;
    form.submit();
    await doneAndTabClosed();

    if (form.enctype !== "multipart/form-data") {
      continue;
    }

    let post = (data) => {
      let xhr = new XMLHttpRequest();
      action.searchParams.set("xhr", "1");
      xhr.open("POST", action.href);
      xhr.send(data);
      action.searchParams.delete("xhr");
      return doneAndTabClosed();
    };

    formData.append(blob.name, blob.content, blob.fileName);
    formData.append("formDataField", "some value");
    updateActionURL();
    await post(formData);

    action.searchParams.set("upload", JSON.stringify([{file: "<file>"}]));
    await post(testFile);

    action.searchParams.set("upload", `${blob.content.size} bytes`);
    await post(blob.content);

    let byteLength = 16;
    action.searchParams.set("upload", `${byteLength} bytes`);
    await post(new ArrayBuffer(byteLength));
  }

  // Testing the decoding of percent escapes even in cases where the
  // multipart/form-data serializer won't emit them.
  {
    let boundary = "-".repeat(27);
    for (let i = 0; i < 3; i++) {
      const randomNumber = Math.floor(Math.random() * (2 ** 32));
      boundary += String(randomNumber);
    }

    const formPayload = [
      `--${boundary}`,
      'Content-Disposition: form-data; name="percent escapes other than%20quotes and newlines"',
      "",
      "",
      `--${boundary}`,
      'Content-Disposition: form-data; name="valid UTF-8: %F0%9F%92%A9"',
      "",
      "",
      `--${boundary}`,
      'Content-Disposition: form-data; name="broken UTF-8: %F0%9F %92%A9"',
      "",
      "",
      `--${boundary}`,
      'Content-Disposition: form-data; name="percent escapes aren\'t decoded in filenames"; filename="%0D%0A%22"',
      "Content-Type: application/octet-stream",
      "",
      "",
      `--${boundary}--`,
      ""
    ].join("\r\n");

    const action = new URL("file_WebRequest_page3.html?trigger=form", document.location.href);
    action.searchParams.set("xhr", "1");
    action.searchParams.set("upload", JSON.stringify({
      "percent escapes other than quotes and newlines": [""],
      "valid UTF-8: 💩": [""],
      "broken UTF-8: � ��": [""],
      "percent escapes aren't decoded in filenames": ["%0D%0A%22"]
    }));
    action.searchParams.set("enctype", "multipart/form-data");

    await fetch(
      action.href,
      {
        method: "POST",
        headers: {"Content-Type": `multipart/form-data; boundary=${boundary}`},
        body: formPayload
      },
    );
    await doneAndTabClosed();
  }

  await extension.unload();
});
</script>
</body>
</html>