☰

Tuna browser script

Get song information from web players, based on NowSniper by Kıraç Armağan Önal

当前为 2020-10-17 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         Tuna browser script
  3. // @namespace    univrsal
  4. // @version      1.0.1
  5. // @description  Get song information from web players, based on NowSniper by Kıraç Armağan Önal
  6. // @author       univrsal
  7. // @match        *://open.spotify.com/*
  8. // @match        *://soundcloud.com/*
  9. // @grant        unsafeWindow
  10. // ==/UserScript==
  11.  
  12. (function() {
  13.     'use strict';
  14.     // Configuration
  15.     var port = 1608;
  16.     var refresh_rate_ms = 500;
  17.     var cooldown_ms = 10000;
  18.  
  19.     // Tuna isn't running we sleep, because every failed request will log into the console
  20.     // so we don't want to spam it
  21.     var failure_count = 0;
  22.     var cooldown = 0;
  23.  
  24.     function post(data){
  25.         var url = 'http://localhost:' + port + '/';
  26.         var xhr = new XMLHttpRequest();
  27.         xhr.open('POST', url);
  28.  
  29.         xhr.setRequestHeader('Accept', 'application/json');
  30.         xhr.setRequestHeader('Content-Type', 'application/json');
  31.         xhr.setRequestHeader('Access-Control-Allow-Headers', '*');
  32.         xhr.setRequestHeader('Access-Control-Allow-Origin', '*');
  33.  
  34.         xhr.onreadystatechange = function () {
  35.             if (xhr.readyState === 4) {
  36.                 if (xhr.status !== 200) {
  37.                     failure_count++;
  38.                 }
  39.             }
  40.         };
  41.         xhr.send(JSON.stringify({data,hostname:window.location.hostname,date:Date.now()}));
  42.     }
  43.  
  44.     // Safely query something, and perform operations on it
  45.     function query(target, fun, alt = null) {
  46.         var element = document.querySelector(target);
  47.         if (element !== null) {
  48.             return fun(element);
  49.         }
  50.         return alt;
  51.     }
  52.  
  53.     function timestamp_to_ms(ts) {
  54.         var splits = ts.split(':');
  55.         if (splits.length == 2) {
  56.             return splits[0] * 60 * 1000 + splits[1] * 1000;
  57.         } else if (splits.length == 3) {
  58.             return splits[0] * 60 * 60 * 1000 + splits[1] * 60 * 1000 + splits[0] * 1000;
  59.         }
  60.         return 0;
  61.     }
  62.  
  63.     function StartFunction() {
  64.         setInterval(()=>{
  65.             if (failure_count > 3) {
  66.                 console.log('Failed to connect multiple times, waiting a few seconds');
  67.                 cooldown = cooldown_ms;
  68.                 failure_count = 0;
  69.             }
  70.  
  71.             if (cooldown > 0) {
  72.                 cooldown -= refresh_rate_ms;
  73.                 return;
  74.             }
  75.  
  76.             let hostname = window.location.hostname;
  77.  
  78.             // TODO: maybe add more?
  79.             if (hostname == 'soundcloud.com') {
  80.                 let status = query('.playControl', e => e.classList.contains('playing') ? "playing" : "stopped", 'unknown');
  81.                 let cover_url = query('.playbackSoundBadge span.sc-artwork', e => e.style.backgroundImage.slice(5, -2).replace('t50x50','t500x500'));
  82.                 let title = query('.playbackSoundBadge__titleLink', e => e.title);
  83.                 let artists = [ query('.playbackSoundBadge__lightLink', e => e.title) ];
  84.                 let progress = query('.playbackTimeline__timePassed span:nth-child(2)', e => timestamp_to_ms(e.textContent));
  85.                 let duration = query('.playbackTimeline__duration span:nth-child(2)', e => timestamp_to_ms(e.textContent));
  86.                 let album_url = query('.playbackSoundBadge__titleLink', e => e.href);
  87.  
  88.                 if (title !== null) {
  89.                     post({ cover_url, title, artists, status, progress, duration, album_url });
  90.                 }
  91.             } else if (hostname == 'open.spotify.com') {
  92.                 let status = query('.player-controls [data-testid="control-button-pause"]', e => !!e ? 'playing' : 'stopped', 'unknown');
  93.                 let cover_url = query('[data-testid="CoverSlotExpanded__container"] .cover-art-image', e => e.style.backgroundImage.slice(5, -2));
  94.                 let title = query('[data-testid="nowplaying-track-link"]', e => e.textContent);
  95.                 let artists = query('span[draggable] a[href*="artist"]', e => Array.from(e));
  96.                 let progress = query('.playback-bar .playback-bar__progress-time', e => timestamp_to_ms(e[0].textContent));
  97.                 let duration = query('.playback-bar .playback-bar__progress-time', e => timestamp_to_ms(e[1].textContent));
  98.                 let album_url = query('[data-testid="nowplaying-track-link"]', e => e.href);
  99.  
  100.                 if (title !== null) {
  101.                     post({ cover_url, title, artists, status, progress, duration, album_url });
  102.                 }
  103.             }
  104.  
  105.         }, 500);
  106.  
  107.     }
  108.  
  109.     StartFunction();
  110. })();