Toggle Features

Enable or disable features which may or may not be experimental/web version only.
Version au 25/04/2025. Voir la dernière version.
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// ==UserScript==
// @name        Toggle Features
// @description Enable or disable features which may or may not be experimental/web version only.
// @author      bertigert
// @version     1.0.2
// @icon        https://www.google.com/s2/favicons?sz=64&domain=deezer.com
// @namespace   Violentmonkey Scripts
// @match       https://www.deezer.com/*
// @grant       none
// @run-at      document-start
// ==/UserScript==


(function() {
    "use strict";
    // ======= Settings START =======

    const LOG_ALL_FEATURES_DEBUG = true; // useful to see all features (gets logged in the (dev tools) console, use https://github.com/bertigert/DeezMod/blob/main/plugins/enable_dev_mode.js to view)

    const DEEZER_CUSTOM_FEATURES = {
        // gapless_playback: true,
        deeztools: true, // simple way to toggle most of the custom features
    }

    const SPECIAL_FEATURES = {
        spoof_family: false, // Spoof your account to be the head of a family plan if you are a child account of a family account, opening up more features for you. (e.g. linking to last.fm)
    }

    // ======= Settings END =======



    function log(...args) {
        console.log("[Toggle Features]", ...args);
    }
    function error(...args) {
        console.error("[Toggle Features]", ...args);
    }
    function debug(...args) {
        console.debug("[Toggle Features]", ...args);
    }

    const original_fetch = window.fetch;

    log("Hooking fetch");
    window.fetch = async function (...args) {
        try {
            const url = new URL(args[0]);

            if (url.pathname !== "/ajax/gw-light.php" ||
                url.searchParams.get("method") !== "deezer.getUserData" ||
                url.searchParams.get("api_token") !== "" ||
                !url.searchParams.has("cid") ||
                typeof args[1].body !== "string"
            ) {
                return original_fetch.apply(window, args);
            }

            debug('Catched user data fetch call');

            const response = await original_fetch.apply(window, args);
            const resp_json = await response.json();

            if (resp_json.results) {
                // Special features
                if (SPECIAL_FEATURES.spoof_family) {
                    resp_json.results.USER.MULTI_ACCOUNT = {"ENABLED": true,"ACTIVE": true,"CHILD_COUNT": 0,"MAX_CHILDREN": 0,"PARENT": null,"IS_KID": false,"IS_SUB_ACCOUNT": false}
                }


                // Deezer custom features
                const features = resp_json.results.__DZR_GATEKEEPS__;

                if (LOG_ALL_FEATURES_DEBUG) {
                    log('All Features:', features, "Special Features:", SPECIAL_FEATURES);
                }

                for (let feature of Object.entries(DEEZER_CUSTOM_FEATURES)) {
                    features[feature[0]] = feature[1];
                    log(feature[1] ? 'Enabled' : 'Disabled', feature[0]);
                }
            }

            // since this request is only made once, we can unhook now
            log("Unhooking fetch");
            window.fetch = original_fetch;

            return new Response(JSON.stringify(resp_json), {
                status: response.status,
                statusText: response.statusText,
                headers: response.headers,
            });
        } catch (e) {
            error("Error in fetch hook:", e);
            return original_fetch.apply(window, args);
        }
    }
})();