☰

Bandcamp: I'm Not A Fan

Removes playback limitation and dialog "The time has come to open thy heart/wallet"

  1. // ==UserScript==
  2. // @name                  Bandcamp: I'm Not A Fan
  3. // @name:ru               Bandcamp: Я не фанат
  4. // @description           Removes playback limitation and dialog "The time has come to open thy heart/wallet"
  5. // @description:ru        Снимает ограничение воспроизведений и убирает диалог "Пришло время открыть свое сердце/кошелек"
  6. // @namespace             bc-inotafan.user.js
  7. // @version               1.2.0
  8. // @license               MIT
  9. // @author                askornot
  10. // @icon                  https://s4.bcbits.com/img/favicon/safari-pinned-tab.svg
  11. // @match                 https://*.bandcamp.com/*
  12. // @homepageURL           https://greasyfork.org/ru/scripts/438039-bandcamp-i-m-not-a-fan
  13. // @supportURL            https://greasyfork.org/ru/scripts/438039-bandcamp-i-m-not-a-fan/feedback
  14. // @grant                 none
  15. // @run-at                document-start
  16. // @compatible            chrome  Violentmonkey 2.14.0
  17. // @compatible            firefox Greasemonkey 4.11
  18. // @compatible            firefox Violentmonkey 2.14.0
  19. // ==/UserScript==
  20.  
  21. function inject() {
  22.   'use strict';
  23.  
  24.   const uncap = (o) => (o.is_capped = false);
  25.  
  26.   const protect = (...namespaces) => {
  27.     for (const namespace of namespaces) {
  28.       const names = Object.keys(namespace);
  29.       for (const name of names) {
  30.         const target = namespace[name];
  31.         Object.freeze(target);
  32.       }
  33.     }
  34.   };
  35.  
  36.   const freeze = (data) => {
  37.     data.trackinfo.map(uncap);
  38.     data.is_purchased = true;
  39.     data.play_cap_data = {
  40.       streaming_limits_enabled: false,
  41.       streaming_limit: Infinity,
  42.     };
  43.     protect(data);
  44.   };
  45.  
  46.   const patch = () => {
  47.     if (!Object.prototype.hasOwnProperty.call(window, 'Player')) return false;
  48.  
  49.     const target = 'init';
  50.  
  51.     const descriptor = Object.getOwnPropertyDescriptor(Player, target);
  52.     if (descriptor === void 0) {
  53.       console.error(`Failed extract "${target}" descriptor of "Player"!`);
  54.       return false;
  55.     }
  56.  
  57.     Object.defineProperty(Player, target, {
  58.       ...descriptor,
  59.       value: function () {
  60.         freeze(...arguments);
  61.         return descriptor.value.apply(this, arguments);
  62.       },
  63.     });
  64.     console.info('The injection was successful!');
  65.     return true;
  66.   };
  67.  
  68.   new MutationObserver((_, observer) => {
  69.     if (patch()) observer.disconnect();
  70.   }).observe(document.documentElement, {
  71.     childList: true,
  72.     subtree: true,
  73.   });
  74. }
  75.  
  76. (function (source) {
  77.   (
  78.     document.getElementsByTagName('head')[0] ||
  79.     document.body ||
  80.     document.documentElement
  81.   ).appendChild(
  82.     Object.assign(document.createElement('script'), {
  83.       textContent: '(' + source.toString() + ')()',
  84.     })
  85.   );
  86. })(inject);