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Add original Firefox-authored google-ima shim script 

Related issue:
- https://github.com/uBlockOrigin/uBlock-issues/issues/2158
This commit is contained in:
Raymond Hill 2022-09-11 10:54:54 -04:00
parent 9ce9588737
commit b6b6e49d57
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src/web_accessible_resources/google-ima.js Normal file
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/**
* Bug 1713690 - Shim Google Interactive Media Ads ima3.js
*
* Many sites use ima3.js for ad bidding and placement, often in conjunction
* with Google Publisher Tags, Prebid.js and/or other scripts. This shim
* provides a stubbed-out version of the API which helps work around related
* site breakage, such as black bxoes where videos ought to be placed.
*/
if (!window.google?.ima?.VERSION) {
const VERSION = "3.517.2";
const CheckCanAutoplay = (function() {
// Sourced from: https://searchfox.org/mozilla-central/source/dom/media/gtest/negative_duration.mp4
const TEST_VIDEO = new Blob(
[
new Uint32Array([
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0,
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0,
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0,
256,
1,
0,
0,
256,
0,
0,
0,
256,
0,
0,
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64,
0,
0,
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0,
0,
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-201261056,
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1744830464,
1684564852,
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0,
0,
0,
0,
16777216,
0,
-1,
-1,
0,
0,
0,
0,
256,
0,
0,
0,
256,
0,
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0,
64,
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53250,
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1,
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-1,
-1,
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100,
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100,
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0,
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0,
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16777216,
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]),
],
{ type: "video/mp4" }
);
let testVideo = undefined;
return function() {
if (!testVideo) {
testVideo = document.createElement("video");
testVideo.style =
"position:absolute; width:0; height:0; left:0; right:0; z-index:-1; border:0";
testVideo.setAttribute("muted", "muted");
testVideo.setAttribute("playsinline", "playsinline");
testVideo.src = URL.createObjectURL(TEST_VIDEO);
document.body.appendChild(testVideo);
}
return testVideo.play();
};
})();
let ima = {};
class AdDisplayContainer {
destroy() {}
initialize() {}
}
class ImaSdkSettings {
#c = true;
#f = {};
#i = false;
#l = "";
#p = "";
#r = 0;
#t = "";
#v = "";
getCompanionBackfill() {}
getDisableCustomPlaybackForIOS10Plus() {
return this.#i;
}
getFeatureFlags() {
return this.#f;
}
getLocale() {
return this.#l;
}
getNumRedirects() {
return this.#r;
}
getPlayerType() {
return this.#t;
}
getPlayerVersion() {
return this.#v;
}
getPpid() {
return this.#p;
}
isCookiesEnabled() {
return this.#c;
}
setAutoPlayAdBreaks() {}
setCompanionBackfill() {}
setCookiesEnabled(c) {
this.#c = !!c;
}
setDisableCustomPlaybackForIOS10Plus(i) {
this.#i = !!i;
}
setFeatureFlags(f) {
this.#f = f;
}
setLocale(l) {
this.#l = l;
}
setNumRedirects(r) {
this.#r = r;
}
setPlayerType(t) {
this.#t = t;
}
setPlayerVersion(v) {
this.#v = v;
}
setPpid(p) {
this.#p = p;
}
setSessionId(s) {}
setVpaidAllowed(a) {}
setVpaidMode(m) {}
}
ImaSdkSettings.CompanionBackfillMode = {
ALWAYS: "always",
ON_MASTER_AD: "on_master_ad",
};
ImaSdkSettings.VpaidMode = {
DISABLED: 0,
ENABLED: 1,
INSECURE: 2,
};
class EventHandler {
#listeners = new Map();
_dispatch(e) {
const listeners = this.#listeners.get(e.type) || [];
for (const listener of Array.from(listeners)) {
try {
listener(e);
} catch (r) {
console.error(r);
}
}
}
addEventListener(t, c) {
if (!this.#listeners.has(t)) {
this.#listeners.set(t, new Set());
}
this.#listeners.get(t).add(c);
}
removeEventListener(t, c) {
this.#listeners.get(t)?.delete(c);
}
}
class AdsLoader extends EventHandler {
#settings = new ImaSdkSettings();
contentComplete() {}
destroy() {}
getSettings() {
return this.#settings;
}
getVersion() {
return VERSION;
}
requestAds(r, c) {
// If autoplay is disabled and the page is trying to autoplay a tracking
// ad, then IMA fails with an error, and the page is expected to request
// ads again later when the user clicks to play.
CheckCanAutoplay().then(
() => {
const { ADS_MANAGER_LOADED } = AdsManagerLoadedEvent.Type;
this._dispatch(new ima.AdsManagerLoadedEvent(ADS_MANAGER_LOADED));
},
() => {
const e = new ima.AdError(
"adPlayError",
1205,
1205,
"The browser prevented playback initiated without user interaction."
);
this._dispatch(new ima.AdErrorEvent(e));
}
);
}
}
class AdsManager extends EventHandler {
#volume = 1;
collapse() {}
configureAdsManager() {}
destroy() {}
discardAdBreak() {}
expand() {}
focus() {}
getAdSkippableState() {
return false;
}
getCuePoints() {
return [0];
}
getCurrentAd() {
return currentAd;
}
getCurrentAdCuePoints() {
return [];
}
getRemainingTime() {
return 0;
}
getVolume() {
return this.#volume;
}
init(w, h, m, e) {}
isCustomClickTrackingUsed() {
return false;
}
isCustomPlaybackUsed() {
return false;
}
pause() {}
requestNextAdBreak() {}
resize(w, h, m) {}
resume() {}
setVolume(v) {
this.#volume = v;
}
skip() {}
start() {
requestAnimationFrame(() => {
for (const type of [
AdEvent.Type.LOADED,
AdEvent.Type.STARTED,
AdEvent.Type.AD_BUFFERING,
AdEvent.Type.FIRST_QUARTILE,
AdEvent.Type.MIDPOINT,
AdEvent.Type.THIRD_QUARTILE,
AdEvent.Type.COMPLETE,
AdEvent.Type.ALL_ADS_COMPLETED,
]) {
try {
this._dispatch(new ima.AdEvent(type));
} catch (e) {
console.error(e);
}
}
});
}
stop() {}
updateAdsRenderingSettings(s) {}
}
class AdsRenderingSettings {}
class AdsRequest {
setAdWillAutoPlay() {}
setAdWillPlayMuted() {}
setContinuousPlayback() {}
}
class AdPodInfo {
getAdPosition() {
return 1;
}
getIsBumper() {
return false;
}
getMaxDuration() {
return -1;
}
getPodIndex() {
return 1;
}
getTimeOffset() {
return 0;
}
getTotalAds() {
return 1;
}
}
class Ad {
_pi = new AdPodInfo();
getAdId() {
return "";
}
getAdPodInfo() {
return this._pi;
}
getAdSystem() {
return "";
}
getAdvertiserName() {
return "";
}
getApiFramework() {
return null;
}
getCompanionAds() {
return [];
}
getContentType() {
return "";
}
getCreativeAdId() {
return "";
}
getCreativeId() {
return "";
}
getDealId() {
return "";
}
getDescription() {
return "";
}
getDuration() {
return 8.5;
}
getHeight() {
return 0;
}
getMediaUrl() {
return null;
}
getMinSuggestedDuration() {
return -2;
}
getSkipTimeOffset() {
return -1;
}
getSurveyUrl() {
return null;
}
getTitle() {
return "";
}
getTraffickingParameters() {
return {};
}
getTraffickingParametersString() {
return "";
}
getUiElements() {
return [""];
}
getUniversalAdIdRegistry() {
return "unknown";
}
getUniversalAdIds() {
return [""];
}
getUniversalAdIdValue() {
return "unknown";
}
getVastMediaBitrate() {
return 0;
}
getVastMediaHeight() {
return 0;
}
getVastMediaWidth() {
return 0;
}
getWidth() {
return 0;
}
getWrapperAdIds() {
return [""];
}
getWrapperAdSystems() {
return [""];
}
getWrapperCreativeIds() {
return [""];
}
isLinear() {
return true;
}
isSkippable() {
return true;
}
}
class CompanionAd {
getAdSlotId() {
return "";
}
getContent() {
return "";
}
getContentType() {
return "";
}
getHeight() {
return 1;
}
getWidth() {
return 1;
}
}
class AdError {
#errorCode = -1;
#message = "";
#type = "";
#vastErrorCode = -1;
constructor(type, code, vast, message) {
this.#errorCode = code;
this.#message = message;
this.#type = type;
this.#vastErrorCode = vast;
}
getErrorCode() {
return this.#errorCode;
}
getInnerError() {}
getMessage() {
return this.#message;
}
getType() {
return this.#type;
}
getVastErrorCode() {
return this.#vastErrorCode;
}
toString() {
return `AdError ${this.#errorCode}: ${this.#message}`;
}
}
AdError.ErrorCode = {};
AdError.Type = {};
const isEngadget = () => {
try {
for (const ctx of Object.values(window.vidible._getContexts())) {
if (ctx.getPlayer()?.div?.innerHTML.includes("www.engadget.com")) {
return true;
}
}
} catch (_) {}
return false;
};
const currentAd = isEngadget() ? undefined : new Ad();
class AdEvent {
constructor(type) {
this.type = type;
}
getAd() {
return currentAd;
}
getAdData() {
return {};
}
}
AdEvent.Type = {
AD_BREAK_READY: "adBreakReady",
AD_BUFFERING: "adBuffering",
AD_CAN_PLAY: "adCanPlay",
AD_METADATA: "adMetadata",
AD_PROGRESS: "adProgress",
ALL_ADS_COMPLETED: "allAdsCompleted",
CLICK: "click",
COMPLETE: "complete",
CONTENT_PAUSE_REQUESTED: "contentPauseRequested",
CONTENT_RESUME_REQUESTED: "contentResumeRequested",
DURATION_CHANGE: "durationChange",
EXPANDED_CHANGED: "expandedChanged",
FIRST_QUARTILE: "firstQuartile",
IMPRESSION: "impression",
INTERACTION: "interaction",
LINEAR_CHANGE: "linearChange",
LINEAR_CHANGED: "linearChanged",
LOADED: "loaded",
LOG: "log",
MIDPOINT: "midpoint",
PAUSED: "pause",
RESUMED: "resume",
SKIPPABLE_STATE_CHANGED: "skippableStateChanged",
SKIPPED: "skip",
STARTED: "start",
THIRD_QUARTILE: "thirdQuartile",
USER_CLOSE: "userClose",
VIDEO_CLICKED: "videoClicked",
VIDEO_ICON_CLICKED: "videoIconClicked",
VIEWABLE_IMPRESSION: "viewable_impression",
VOLUME_CHANGED: "volumeChange",
VOLUME_MUTED: "mute",
};
class AdErrorEvent {
type = "adError";
#error = "";
constructor(error) {
this.#error = error;
}
getError() {
return this.#error;
}
getUserRequestContext() {
return {};
}
}
AdErrorEvent.Type = {
AD_ERROR: "adError",
};
const manager = new AdsManager();
class AdsManagerLoadedEvent {
constructor(type) {
this.type = type;
}
getAdsManager() {
return manager;
}
getUserRequestContext() {
return {};
}
}
AdsManagerLoadedEvent.Type = {
ADS_MANAGER_LOADED: "adsManagerLoaded",
};
class CustomContentLoadedEvent {}
CustomContentLoadedEvent.Type = {
CUSTOM_CONTENT_LOADED: "deprecated-event",
};
class CompanionAdSelectionSettings {}
CompanionAdSelectionSettings.CreativeType = {
ALL: "All",
FLASH: "Flash",
IMAGE: "Image",
};
CompanionAdSelectionSettings.ResourceType = {
ALL: "All",
HTML: "Html",
IFRAME: "IFrame",
STATIC: "Static",
};
CompanionAdSelectionSettings.SizeCriteria = {
IGNORE: "IgnoreSize",
SELECT_EXACT_MATCH: "SelectExactMatch",
SELECT_NEAR_MATCH: "SelectNearMatch",
};
class AdCuePoints {
getCuePoints() {
return [];
}
}
class AdProgressData {}
class UniversalAdIdInfo {
getAdIdRegistry() {
return "";
}
getAdIsValue() {
return "";
}
}
Object.assign(ima, {
AdCuePoints,
AdDisplayContainer,
AdError,
AdErrorEvent,
AdEvent,
AdPodInfo,
AdProgressData,
AdsLoader,
AdsManager: manager,
AdsManagerLoadedEvent,
AdsRenderingSettings,
AdsRequest,
CompanionAd,
CompanionAdSelectionSettings,
CustomContentLoadedEvent,
gptProxyInstance: {},
ImaSdkSettings,
OmidAccessMode: {
DOMAIN: "domain",
FULL: "full",
LIMITED: "limited",
},
settings: new ImaSdkSettings(),
UiElements: {
AD_ATTRIBUTION: "adAttribution",
COUNTDOWN: "countdown",
},
UniversalAdIdInfo,
VERSION,
ViewMode: {
FULLSCREEN: "fullscreen",
NORMAL: "normal",
},
});
if (!window.google) {
window.google = {};
}
window.google.ima = ima;
}