265 lines
8.5 KiB
JavaScript
265 lines
8.5 KiB
JavaScript
// ==UserScript==
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// @name dzunlock
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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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// @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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// @icon https://cdns-files.dzcdn.net/cache/images/common/favicon/favicon-96x96.852baf648e79894b668670e115e4a375.png
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// @include /^https:\/\/www\.deezer\.com\/[a-z]{2}\/($|track|album|artist|playlist|episode|show|profile|channels|podcasts|radio)/
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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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// ==/UserScript==
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const debug = false
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function log(...args) {
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if (debug) {
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return console.log(...args)
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}
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}
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// https://github.com/werk85/fetch-intercept/blob/develop/src/attach.js modified for browser support
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let interceptors = [];
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function interceptor(fetch, ...args) {
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const reversedInterceptors = interceptors.reduce((array, interceptor) => [interceptor].concat(array), []);
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let promise = Promise.resolve(args);
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// Register request interceptors
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reversedInterceptors.forEach(({ request, requestError }) => {
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if (request || requestError) {
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promise = promise.then(args => request(...args), requestError);
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}
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});
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// Register fetch call
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promise = promise.then(args => {
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const request = new Request(...args);
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return fetch(request).then(response => {
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response.request = request;
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return response;
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}).catch(error => {
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error.request = request;
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return Promise.reject(error);
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});
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});
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// Register response interceptors
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reversedInterceptors.forEach(({ response, responseError }) => {
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if (response || responseError) {
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promise = promise.then(response, responseError);
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}
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});
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return promise;
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}
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unsafeWindow.fetch = (function (fetch) {
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return function (...args) {
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return interceptor(fetch, ...args);
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};
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})(unsafeWindow.fetch);
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fetchIntercept = {
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register: function (interceptor) {
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interceptors.push(interceptor);
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return () => {
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const index = interceptors.indexOf(interceptor);
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if (index >= 0) {
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interceptors.splice(index, 1);
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}
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};
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},
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clear: function () {
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interceptors = [];
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}
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};
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// main code starts here
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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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let json = await resp.json()
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access_token = json['access_token']
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// cache access token
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GM_setValue('access_token', access_token)
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GM_setValue('access_token_expiry', Math.floor(Date.now() / 1000) + Number(json['expires']))
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return access_token
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}
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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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// 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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}
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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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if (id >= 0) { // we don't need filesizes for user-upped tracks
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batchList.push({ 'relative_url': `/track/${id}` })
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}
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}
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// return if all the tracks are user-upped
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if (batchList.length === 0) {
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return old(...args)
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}
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batchList = JSON.stringify(batchList)
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let access_token = GM_getValue('access_token', false)
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const expiry = GM_getValue('access_token_expiry', 0)
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if (!access_token || Math.floor(Date.now() / 1000) >= expiry) {
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access_token = await renewAccessToken()
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}
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url = `https://api.deezer.com/batch?methods=${batchList}&access_token=${access_token}`
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let resp = await fetch(url)
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let json = await resp.json()
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// renew access token if token is invalid
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const error = json.batch_result[0].error
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if (error && error.code === 300) {
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access_token = await renewAccessToken()
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url = `https://api.deezer.com/batch?methods=${batchList}&access_token=${access_token}`
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resp = await fetch(url)
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json = await resp.json()
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}
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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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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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}
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}
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log(args)
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return old(...args)
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};
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})(unsafeWindow.dzPlayer.setTrackList);
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});
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fetchIntercept.register({
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request: function (url, config) {
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// Modify the url or config here
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return [url, config];
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},
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requestError: function (error) {
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// Called when an error occured during another 'request' interceptor call
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return Promise.reject(error);
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},
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response: async function (response) {
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// Modify the response object
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if (response.url.startsWith('https://www.deezer.com/ajax/gw-light.php?method=deezer.getUserData')) {
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const json = await response.json()
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// removes upgrade popup stuff
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json.results.USER.ENTRYPOINTS = {}
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// needed to play premium-restricted albums like https://www.deezer.com/album/801279
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json.results.OFFER_ID = 600
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// disables ads
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json.results.USER.OPTIONS.ads_display = false
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json.results.USER.OPTIONS.ads_audio = false
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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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responseError: function (error) {
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// Handle an fetch error
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return Promise.reject(error);
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}
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}); |