epically disabled decryption
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GPG Key ID:
CB2454984587B781
146
dzunlock.user.js
146
dzunlock.user.js
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@ -3,7 +3,7 @@
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// @namespace io.github.uhwot.dzunlock
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// @description enables deezer hifi features lol
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// @author uh wot
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// @version 1.1.6
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// @version 1.2
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// @license GPL-3.0-only
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// @homepageURL https://git.freezer.life/uhwot/dzunlock
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// @downloadURL https://git.freezer.life/uhwot/dzunlock/raw/branch/master/dzunlock.user.js
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@ -12,7 +12,6 @@
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// @match https://www.deezer.com/search/*
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// @match https://www.deezer.com/account/*
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// @match https://www.deezer.com/smarttracklist/*
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// @require https://cdnjs.cloudflare.com/ajax/libs/aes-js/3.1.2/index.min.js
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// @grant GM_getValue
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// @grant GM_setValue
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// @run-at document-start
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@ -87,52 +86,12 @@ fetchIntercept = {
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const clientId = '119915'
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const clientSecret = '2f5b4c9785ddc367975b83d90dc46f5c'
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const playerTokenKey = [102, 228, 95, 242, 215, 50, 122, 26, 57, 216, 206, 38, 164, 237, 200, 85]
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const formats = [
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{ api: '320', gw: 'MP3_320' },
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{ api: 'flac', gw: 'FLAC' }
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]
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function str2bin(str) {
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return Array.from(str).map(function (item) {
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return item.charCodeAt(0);
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})
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}
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function bin2str(bin) {
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return String.fromCharCode.apply(String, bin);
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}
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function decryptHex(hex, key) {
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hex = aesjs.utils.hex.toBytes(hex)
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let aesEcb = new aesjs.ModeOfOperation.ecb(key)
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return bin2str(aesEcb.decrypt(hex)).replace(/\0+$/, '') // removes zero-padding
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}
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function encryptHex(str, key) {
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// zero-padding
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if (str.length % 16) {
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str += '\x00'.repeat(16 - str.length % 16)
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}
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let aesEcb = new aesjs.ModeOfOperation.ecb(key)
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return aesjs.utils.hex.fromBytes(aesEcb.encrypt(str2bin(str)))
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}
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function playerTokenPatch(playerToken) {
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playerToken = JSON.parse(decryptHex(playerToken, playerTokenKey))
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// enables 320/flac quality selection
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playerToken.audio_qualities.wifi_streaming = ['low', 'standard', 'high', 'lossless']
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// disables previews
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playerToken.streaming = true
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log(playerToken)
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return encryptHex(JSON.stringify(playerToken), playerTokenKey)
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}
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async function renewAccessToken() {
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let url = `https://connect.deezer.com/oauth/access_token.php?grant_type=client_credentials&client_id=${clientId}&client_secret=${clientSecret}&output=json`
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let resp = await fetch(url)
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@ -147,16 +106,16 @@ async function renewAccessToken() {
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window.addEventListener('DOMContentLoaded', (_) => {
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unsafeWindow.dzPlayer.setTrackList = (function (old) {
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return async function (...args) {
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return async function (data, ...args) {
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// don't get filesizes if account is hifi
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if (unsafeWindow.dzPlayer.user_status.lossless) {
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return old(...args)
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return old(data, ...args)
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}
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let batchList = []
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for (let i = 0; i < args[0].data.length; i++) {
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const id = Number(args[0].data[i].SNG_ID)
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for (let i = 0; i < data.data.length; i++) {
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const id = Number(data.data[i].SNG_ID)
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if (id >= 0) { // we don't need filesizes for user-upped tracks
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batchList.push({ 'relative_url': `/track/${id}` })
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}
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@ -164,7 +123,7 @@ window.addEventListener('DOMContentLoaded', (_) => {
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// return if all the tracks are user-upped
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if (batchList.length === 0) {
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return old(...args)
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return old(data, ...args)
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}
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batchList = JSON.stringify(batchList)
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@ -190,20 +149,20 @@ window.addEventListener('DOMContentLoaded', (_) => {
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let userUppedSoFar = 0
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for (let i = 0; i < args[0].data.length; i++) {
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const id = Number(args[0].data[i].SNG_ID)
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for (let i = 0; i < data.data.length; i++) {
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const id = Number(data.data[i].SNG_ID)
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if (id < 0) { // user-uploaded track
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userUppedSoFar++
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continue
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}
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for (let j = 0; j < formats.length; j++) {
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args[0].data[i]['FILESIZE_' + formats[j].gw] = json.batch_result[i - userUppedSoFar]['filesize_' + formats[j].api]
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data.data[i]['FILESIZE_' + formats[j].gw] = json.batch_result[i - userUppedSoFar]['filesize_' + formats[j].api]
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}
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}
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log(args)
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log(data)
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return old(...args)
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return old(data, ...args)
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};
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})(unsafeWindow.dzPlayer.setTrackList);
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});
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@ -237,23 +196,11 @@ fetchIntercept.register({
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// disables call to get_url endpoint and enables track url gen
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json.results.__DZR_GATEKEEPS__.use_media_service = false
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json.results.PLAYER_TOKEN = playerTokenPatch(json.results.PLAYER_TOKEN)
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log(json)
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return new Response(JSON.stringify(json))
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}
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if (response.url.startsWith('https://www.deezer.com/ajax/gw-light.php?method=log.listen')) {
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const json = await response.json()
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if (typeof json.results === 'string') {
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json.results = playerTokenPatch(json.results)
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}
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return new Response(JSON.stringify(json))
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}
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return response;
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},
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@ -263,3 +210,74 @@ fetchIntercept.register({
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return Promise.reject(error);
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}
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});
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worker_input = function(e) {
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let json = e.data
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if (typeof json !== 'object') {
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json = JSON.parse(json)
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}
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//console.log("input", json)
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input = json
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if (json.message.md5) {
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// track url gen
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// decrypted track endpoint
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json.message.cdn = 'https://cdns-proxy-{0}.dzcdn.net/api/1/'
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worker.postMessage(JSON.stringify(json))
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return
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}
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if (json.message.buffer) {
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// track buffer decryption
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// this code skips decryption entirely, since the track from the CDN is already unencrypted
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let out = { message: { error: undefined } }
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out['Symbol(PromisingWorker.id)'] = json['Symbol(PromisingWorker.id)']
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out.message.result = json.message.buffer
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//console.log("track buffer output", out)
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postMessage(out)
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return
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}
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worker.postMessage(e.data)
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}
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worker_output = function(e) {
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let json = e.data
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if (typeof json !== 'object') {
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json = JSON.parse(json)
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}
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if (input) {
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if (input.message.token && !input.message.id) {
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// player token decryption
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// enables 320/flac quality selection
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json.message.result.audio_qualities.wifi_streaming = ['low', 'standard', 'high', 'lossless']
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// disables previews
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json.message.result.streaming = true
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//console.log("player token output", json)
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postMessage(JSON.stringify(json))
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return
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}
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}
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//console.log("output", json)
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postMessage(e.data)
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}
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unsafeWindow.URL.createObjectURL = (function (old) {
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return function (object) {
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if (object instanceof Blob) {
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let worker = `
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let worker = new Worker('${old(object)}')
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let input
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worker.onmessage = ${String(worker_output)}
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onmessage = ${String(worker_input)}
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`
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return old(new Blob([worker]))
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}
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return old(object);
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};
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})(unsafeWindow.URL.createObjectURL);
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