Commit 9ae87bd3 authored by fkilic's avatar fkilic Committed by morgan
Browse files

Bug 1973265 - Put WebCodecs API behind RFP Target. r=tjr,webidl,smaug 

Differential Revision: https://phabricator.services.mozilla.com/D254549
parent f8f4dbce

dom/base/nsContentUtils.cpp

+1 −1
Original line number Diff line number Diff line
@@ -2844,7 +2844,7 @@ bool nsContentUtils::ShouldResistFingerprinting_dangerous( 
  }



  // Web extension principals are also excluded

  if (BasePrincipal::Cast(aPrincipal)->AddonPolicy()) {

  if (NS_IsMainThread() && BasePrincipal::Cast(aPrincipal)->AddonPolicy()) {

    MOZ_LOG(nsContentUtils::ResistFingerprintingLog(), LogLevel::Debug,

            ("Inside ShouldResistFingerprinting(nsIPrincipal*)"

             " and AddonPolicy said false"));

dom/media/webcodecs/VideoFrame.cpp

+1 −1
Original line number Diff line number Diff line
@@ -1423,7 +1423,7 @@ JSObject* VideoFrame::WrapObject(JSContext* aCx, 


/* static */

bool VideoFrame::PrefEnabled(JSContext* aCx, JSObject* aObj) {

  return StaticPrefs::dom_media_webcodecs_enabled() ||

  return nsRFPService::ExposeWebCodecsAPI(aCx, aObj) &&

         StaticPrefs::dom_media_webcodecs_image_decoder_enabled();

}

dom/media/webcodecs/test/mochitest.toml

+9 −0
Original line number Diff line number Diff line
@@ -16,4 +16,13 @@ scheme = "https" 
["test_imageDecoder_desiredSize.html"]

scheme = "https"



["test_rfp_api_disabling_disabled.html"]

scheme = "https"



["test_rfp_api_disabling_enabled.html"]

scheme = "https"



["test_rfp_api_disabling_exemption.html"]

scheme = "https"



["test_videoFrame_mismatched_codedSize.html"]

dom/media/webcodecs/test/test_rfp_api_disabling_disabled.html

0 → 100644
+67 −0
Original line number Diff line number Diff line 
<!DOCTYPE html>

<html>

<head>

<title></title>

<script src="/tests/SimpleTest/SimpleTest.js"></script>

<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />

</head>

<body>

<script>

const apis = [

  "AudioData",

  "AudioDecoder",

  "AudioEncoder",

  "EncodedAudioChunk",

  "EncodedVideoChunk",

  "ImageDecoder",

  "ImageTrack",

  "ImageTrackList",

  "VideoColorSpace",

  "VideoDecoder",

  "VideoEncoder",

  "VideoFrame",

];



function enabledAPIs() {

  return apis.filter(api => typeof window[api] !== "undefined");

}



function enabledAPIsWorker() {

  const code = `

  onmessage = e => {

    const apis = ${JSON.stringify(apis)};

    postMessage(apis.filter(api => typeof self[api] !== "undefined"));

  };`;

  const blob = new Blob([code], { type: "application/javascript" });

  const worker = new Worker(URL.createObjectURL(blob));



  return new Promise((resolve) => {

    worker.addEventListener("message", async (e) => {

      worker.terminate();

      resolve(e.data);

    });



    worker.postMessage({});

  });

}



add_setup(async () => {

  await SpecialPowers.pushPrefEnv({

    set: [

      ["dom.media.webcodecs.enabled", true],

      ["dom.media.webcodecs.image-decoder.enabled", true]

    ],

  });

});



add_task(async () => {

  is(enabledAPIs().length, apis.length, true, "All WebCodecs APIs should be enabled");

  is(

    (await enabledAPIsWorker()).length,

    apis.length,

    "All WebCodecs APIs should be enabled in workers too"

  );

});

</script>

</body>

</html>

dom/media/webcodecs/test/test_rfp_api_disabling_enabled.html

0 → 100644
+69 −0
Original line number Diff line number Diff line 
<!DOCTYPE html>

<html>

<head>

<title></title>

<script src="/tests/SimpleTest/SimpleTest.js"></script>

<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />

</head>

<body>

<script>

const apis = [

  "AudioData",

  "AudioDecoder",

  "AudioEncoder",

  "EncodedAudioChunk",

  "EncodedVideoChunk",

  "ImageDecoder",

  "ImageTrack",

  "ImageTrackList",

  "VideoColorSpace",

  "VideoDecoder",

  "VideoEncoder",

  "VideoFrame",

];



function enabledAPIs() {

  return apis.filter(api => typeof window[api] !== "undefined");

}



function enabledAPIsWorker() {

  const code = `

  onmessage = e => {

    const apis = ${JSON.stringify(apis)};

    postMessage(apis.filter(api => typeof self[api] !== "undefined"));

  };`;

  const blob = new Blob([code], { type: "application/javascript" });

  const worker = new Worker(URL.createObjectURL(blob));



  return new Promise((resolve) => {

    worker.addEventListener("message", async (e) => {

      worker.terminate();

      resolve(e.data);

    });



    worker.postMessage({});

  });

}



add_setup(async () => {

  await SpecialPowers.pushPrefEnv({

    set: [

      ["dom.media.webcodecs.enabled", true],

      ["dom.media.webcodecs.image-decoder.enabled", true],

      ["privacy.fingerprintingProtection", true],

      ["privacy.fingerprintingProtection.overrides", "-AllTargets,+WebCodecs"],

    ],

  });

});



add_task(async () => {

  is(enabledAPIs().length, 0, true, "All WebCodecs APIs should be disabled");

  is(

    (await enabledAPIsWorker()).length,

    0,

    "All WebCodecs APIs should be disabled in workers too"

  );

});

</script>

</body>

</html>