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MyFreeMP3 API

Music API for http://tool.liumingye.cn/music/ and http://tool.liumingye.cn/music_old/

目前为 2023-08-27 提交的版本。查看 最新版本。

此脚本不应直接安装，它是一个供其他脚本使用的外部库。如果您需要使用该库，请在脚本元属性加入：// @require https://update.gf.qytechs.cn/scripts/474021/1241708/MyFreeMP3%20API.js 

  1. /* eslint-disable no-multi-spaces */
  2. /* eslint-disable no-return-assign */
  3.  
  4. // ==UserScript==
  5. // @name               MyFreeMP3 API
  6. // @namespace          PY-DNG userscripts
  7. // @version            0.1
  8. // @description        Music API for http://tool.liumingye.cn/music/ and http://tool.liumingye.cn/music_old/
  9. // @author             PY-DNG
  10. // @license            MIT
  11. // ==/UserScript==
  12.  
  13. /* global md5 */
  14.  
  15. var Mfapi = (function __MAIN__() {
  16.     'use strict';
  17.  
  18. 	detectDom('head', head => loadMd5Script());
  19.  
  20. 	return (function() {
  21. 		return {
  22. 			search,
  23. 			old: {
  24. 				search: search_old,
  25. 				link: link_old,
  26. 				encode: encode_old
  27. 			},
  28. 			new: {
  29. 				search: search_new,
  30. 				link: link_new,
  31. 				encode: encode_new
  32. 			}
  33. 		};
  34.  
  35. 		function search(details, retry=3) {
  36. 			const onerror = details.onerror || function() {};
  37. 			const reqOld = onerror => req(search_old, dealResponse_old, onerror);
  38. 			const reqNew = onerror => req(search_new, dealResponse_new, onerror);
  39. 			({
  40. 				old: () => reqOld(onerror),
  41. 				new: () => reqNew(onerror),
  42. 				auto: () => reqNew(err => reqOld(err => --retry ? search(details, retry) : onerror(err)))
  43. 			})[details.api || 'auto']();
  44.  
  45. 			function req(request, dealer, onerror) {
  46. 				request({
  47. 					text: details.text, page: details.page, type: details.type,
  48. 					callback: json => details.callback(dealer(json)),
  49. 					onerror: onerror
  50. 				}, 1);
  51. 			}
  52.  
  53. 			function dealResponse_old(json) {
  54. 				return {
  55. 					list: json.data.list.map(song => ({
  56. 						name: song.name,
  57. 						artist: song.artist.split(','),
  58. 						cover: song.cover,
  59. 						lrc: song.lrc,
  60. 						url: song.quality.reduce((url, q) => {
  61. 							url[q] = link_old(song, q);
  62. 							return url;
  63. 						}, {})
  64. 					})),
  65. 					noMore: !json.more,
  66. 					api: 'old'
  67. 				};
  68. 			}
  69.  
  70. 			function dealResponse_new(json) {
  71. 				return {
  72. 					list: json.data.list.map(song => ({
  73. 						name: song.name,
  74. 						artist: song.artist.map(a => a.name),
  75. 						cover: (song.pic || song.album?.pic).replace(/[@\?][^@\?]*$/, ''),
  76. 						lrc: song.lyric ? `https://api.liumingye.cn/m/api/lyric/id/${encodeURIComponent(song.lyric)}/name/${encodeURIComponent(song.name)} - ${encodeURIComponent(song.artist.map(a => a.name).join(','))}` : null,
  77. 						url: new Proxy({}, {
  78. 							get: (target, property, receiver) => {
  79. 								const quality = parseInt(property, 10);
  80. 								return link_new(song, quality);
  81. 							},
  82. 							has: (target, property) => {
  83. 								const quality = parseInt(property, 10);
  84. 								return song.quality.includes(quality);
  85. 							},
  86. 							ownKeys: target => {
  87. 								return song.quality.map(q => q.toString());
  88. 							}
  89. 						}),
  90. 					})),
  91. 					noMore: !json.data.list.length,
  92. 					api: 'new'
  93. 				};
  94. 			}
  95. 		}
  96.  
  97. 		function search_old(details, retry=3) {
  98. 			const text = details.text;
  99. 			const page = details.page || '1';
  100. 			const type = details.type || 'YQD';
  101. 			const callback = details.callback;
  102. 			const onerror = details.onerror || function() {};
  103. 			if (!text || !callback) {
  104. 				throw new Error('Argument text or callback missing');
  105. 			}
  106.  
  107. 			//const url = 'http://59.110.45.28/m/api/search';
  108. 			const url = 'http://api2.liumingye.cn/m/api/search';
  109. 			GM_xmlhttpRequest({
  110. 				method: 'POST',
  111. 				url: url,
  112. 				headers: {
  113. 					'Content-Type': 'application/x-www-form-urlencoded',
  114. 					'Referer': 'https://tools.liumingye.cn/music_old/'
  115. 				},
  116. 				data: encode_old('text='+text+'&page='+page+'&type='+type),
  117. 				timeout: 10 * 1000,
  118. 				onload: function(res) {
  119. 					let json;
  120. 					try {
  121. 						json = JSON.parse(res.responseText);
  122. 						if (json.code !== 200) {
  123. 							throw new Error('dataerror');
  124. 						} else {
  125. 							callback(json);
  126. 						}
  127. 					} catch(err) {
  128. 						--retry ? search_old(details, retry) : onerror(err);
  129. 						return false;
  130. 					}
  131. 				},
  132. 				onerror: err => --retry ? search_old(details, retry) : onerror(err),
  133. 				ontimeout: err => --retry ? search_old(details, retry) : onerror(err)
  134. 			});
  135. 		}
  136.  
  137. 		function link_old(song, quality) {
  138. 			!song.quality.includes(quality) && (quality = Math.max.apply(Math, song.quality));
  139. 			const qname = ({
  140. 				128: 'url_128',
  141. 				320: 'url_320',
  142. 				2000: 'url_flac'
  143. 			})[quality];
  144. 			if (!qname) { setTimeout(e => alert(`该音频格式为${quality.toString()}，当前尚未支持，请向开发者反馈`)); throw new Error('Unsupported MF3 quality name'); }
  145. 			return song[qname];
  146. 		}
  147.  
  148. 		function encode_old(plainText) {
  149. 			const now = new Date().getTime();
  150. 			const md5Data = md5('<G6sX,Lk~^2:Y%4Z');
  151. 			let left = md5(md5Data.substr(0, 16));
  152. 			let right = md5(md5Data.substr(16, 32));
  153. 			let nowMD5 = md5(now).substr(-4);
  154. 			let Var_10 = (left + md5((left + nowMD5)));
  155. 			let Var_11 = Var_10.length;
  156. 			let Var_12 = ((((now / 1000 + 86400) >> 0) + md5((plainText + right)).substr(0, 16)) + plainText);
  157. 			let Var_13 = '';
  158. 			for (let i = 0, Var_15 = Var_12.length;
  159. 				 (i < Var_15); i++) {
  160. 				let Var_16 = Var_12.charCodeAt(i);
  161. 				if ((Var_16 < 128)) {
  162. 					Var_13 += String.fromCharCode(Var_16);
  163. 				} else if ((Var_16 > 127) && (Var_16 < 2048)) {
  164. 					Var_13 += String.fromCharCode(((Var_16 >> 6) | 192));
  165. 					Var_13 += String.fromCharCode(((Var_16 & 63) | 128));
  166. 				} else {
  167. 					Var_13 += String.fromCharCode(((Var_16 >> 12) | 224));
  168. 					Var_13 += String.fromCharCode((((Var_16 >> 6) & 63) | 128));
  169. 					Var_13 += String.fromCharCode(((Var_16 & 63) | 128));
  170. 				}
  171. 			}
  172. 			let Var_17 = Var_13.length;
  173. 			let Var_18 = [];
  174. 			for (let i = 0; i <= 255; i++) {
  175. 				Var_18[i] = Var_10[(i % Var_11)].charCodeAt();
  176. 			}
  177. 			let Var_19 = [];
  178. 			for (let Var_04 = 0;
  179. 				 (Var_04 < 256); Var_04++) {
  180. 				Var_19.push(Var_04);
  181. 			}
  182. 			for (let Var_20 = 0, Var_04 = 0;
  183. 				 (Var_04 < 256); Var_04++) {
  184. 				Var_20 = (((Var_20 + Var_19[Var_04]) + Var_18[Var_04]) % 256);
  185. 				let Var_21 = Var_19[Var_04];
  186. 				Var_19[Var_04] = Var_19[Var_20];
  187. 				Var_19[Var_20] = Var_21;
  188. 			}
  189. 			let Var_22 = '';
  190. 			for (let Var_23 = 0, Var_20 = 0, Var_04 = 0;
  191. 				 (Var_04 < Var_17); Var_04++) {
  192. 				let Var_24 = '0|2|4|3|5|1'.split('|'),
  193. 					Var_25 = 0;
  194. 				while (true) {
  195. 					switch (Var_24[Var_25++]) {
  196. 						case '0':
  197. 							Var_23 = ((Var_23 + 1) % 256);
  198. 							continue;
  199. 						case '1':
  200. 							Var_22 += String.fromCharCode(Var_13[Var_04].charCodeAt() ^ Var_19[((Var_19[Var_23] + Var_19[Var_20]) % 256)]);
  201. 							continue;
  202. 						case '2':
  203. 							Var_20 = ((Var_20 + Var_19[Var_23]) % 256);
  204. 							continue;
  205. 						case '3':
  206. 							Var_19[Var_23] = Var_19[Var_20];
  207. 							continue;
  208. 						case '4':
  209. 							var Var_21 = Var_19[Var_23];
  210. 							continue;
  211. 						case '5':
  212. 							Var_19[Var_20] = Var_21;
  213. 							continue;
  214. 					}
  215. 					break;
  216. 				}
  217. 			}
  218. 			let Var_26 = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
  219. 			for (var Var_27, Var_28, Var_29 = 0, Var_30 = Var_26, Var_31 = ''; Var_22.charAt((Var_29 | 0)) || (Var_30 = '=', (Var_29 % 1)); Var_31 += Var_30.charAt((63 & (Var_27 >> (8 - ((Var_29 % 1) * 8)))))) {
  220. 				Var_28 = Var_22.charCodeAt(Var_29 += 0.75);
  221. 				Var_27 = ((Var_27 << 8) | Var_28);
  222. 			}
  223. 			Var_22 = (nowMD5 + Var_31.replace(/=/g, '')).replace(/\+/g, '-').replace(/\//g, '_').replace(/=/g, '.');
  224. 			return (('data=' + Var_22) + '&v=2');
  225. 		}
  226.  
  227. 		function search_new(details, retry=3) {
  228. 			const callback = details.callback;
  229. 			const onerror = details.onerror || function() {};
  230. 			const data = {
  231. 				type: details.type || 'YQD',
  232. 				text: details.text,
  233. 				page: details.page || 1
  234. 			};
  235. 			doSearch();
  236.  
  237. 			function doSearch() {
  238. 				// Set properties
  239. 				['_t', 'v', 'token'].forEach(key => delete data[key]);
  240. 				data.v = "beta";
  241. 				data._t = Date.now();
  242. 				data.token = encode_new(encodeURIComponent(JSON.stringify(data)));
  243.  
  244. 				// Request
  245. 				GM_xmlhttpRequest({
  246. 					method: 'POST',
  247. 					url: 'https://api.liumingye.cn/m/api/search',
  248. 					headers: {
  249. 						'Accept': 'application/json, text/plain, */*',
  250. 						'Origin': 'https://tool.liumingye.cn',
  251. 						'content-type': 'application/json;charset=UTF-8',
  252. 					},
  253. 					responseType: 'json',
  254. 					data: JSON.stringify(data),
  255. 					timeout: 10 * 1000,
  256. 					onload: res => callback(res.response),
  257. 					onerror: err => --retry ? doSearch() : onerror(err),
  258. 					ontimeout: err => --retry ? doSearch() : onerror(err)
  259. 				});
  260. 			}
  261. 		}
  262.  
  263. 		function link_new(song, quality) {
  264. 			!song.quality.includes(quality) && (quality = Math.max.apply(Math, song.quality));
  265. 			const params = {
  266. 				id: song.hash,
  267. 				quality,
  268. 				_t: Date.now()
  269. 			};
  270. 			params.token = encode_new(encodeURIComponent(JSON.stringify(params, (k, v) => {
  271. 				return typeof v === 'number' ? v.toString() : v;
  272. 			})));
  273. 			const paramsStr = (function() {
  274. 				let str = '';
  275. 				for (const [key, value] of Object.entries(params)) {
  276. 					str += `&${key.toString()}=${value.toString()}`;
  277. 				}
  278. 				str = str.slice(1);
  279. 				return str;
  280. 			}) ();
  281. 			const url = 'https://api.liumingye.cn/m/api/link?' + paramsStr;
  282. 			return url;
  283. 		}
  284.  
  285. 		function encode_new() {
  286. 			if (!encode_new.encode) {
  287. 				encode_new.encode = (function() {
  288. 					/***** =19=19=>「Fuck You」<=8=10= *****/
  289. 					// This is what you put in your code, now I give it back to you.
  290. 					var As = "pW8jg/mke6cO1F4CTuaiswhZfQGzMyq5NJRLPVIvDxlA7=E3YrSUoH0b2BXKn9td+",
  291. 						Es = {
  292. 							encode: function(e, t) {
  293. 								(t === void 0) && (t = "yGz4n9XE9xYy2Oj5Ub7E6u9a5p5aIWZYe53Orq5wE5UgnjbWq0410WTvmLBO1Z2N");
  294. 								var i = Us(t.toString(), e.toString());
  295. 								return "20230327." + md5(Vs(i));
  296. 							}
  297. 						};
  298. 					return Es.encode;
  299.  
  300. 					function Vs(e) {
  301. 						var s, o, a, i, l, c, u, d,
  302. 							f = 0,
  303. 							h = "";
  304. 						if (!e) {
  305. 							return e;
  306. 						}
  307. 						do {
  308. 							for (var y = "0|6|2|4|7|5|1|8|3".split("|"), g = 0;;) {
  309. 								switch (y[g++]) {
  310. 									case "0":
  311. 										s = e[f++];
  312. 										continue;
  313. 									case "1":
  314. 										c = 63 & (d >> 6);
  315. 										continue;
  316. 									case "2":
  317. 										a = e[f++];
  318. 										continue;
  319. 									case "3":
  320. 										h += As.charAt(i) + As.charAt(l) + As.charAt(c) + As.charAt(u);
  321. 										continue;
  322. 									case "4":
  323. 										d = ((s << 16) | (o << 8)) | a;
  324. 										continue;
  325. 									case "5":
  326. 										l = ((d >> 12) & 63);
  327. 										continue;
  328. 									case "6":
  329. 										o = e[f++];
  330. 										continue;
  331. 									case "7":
  332. 										i = (d >> 18 & 63);
  333. 										continue;
  334. 									case "8":
  335. 										u = (d & 63);
  336. 										continue
  337. 								}
  338. 								break
  339. 							}
  340. 						} while (f < e.length);
  341. 						var v = (e.length % 3);
  342. 						return (v ? h.slice(0, v - 3) : h) + "===".slice(v || 3)
  343. 					}
  344.  
  345. 					function Hs(e, t) {
  346. 						return e.charCodeAt(Math.floor(t % e.length))
  347. 					}
  348.  
  349. 					function Us(e, t) {
  350. 						var i = t.split("");
  351. 						return i.map(function(t, s) {
  352. 							return t.charCodeAt(0) ^ Hs(e, s)
  353. 						})
  354. 					}
  355. 				}) ();
  356. 			}
  357. 			return encode_new.encode.apply(this, arguments);
  358. 		}
  359. 	}) ();
  360.  
  361. 	function loadMd5Script() {
  362. 		const s = document.createElement('script');
  363. 		s.src = 'https://cdn.bootcdn.net/ajax/libs/blueimp-md5/2.18.0/js/md5.js';
  364. 		document.head.appendChild(s);
  365. 	}
  366.  
  367. 	// Get callback when specific dom/element loaded
  368. 	// detectDom({[root], selector, callback[, once]}) | detectDom(selector, callback) | detectDom(root, selector, callback) | detectDom(root, selector, callback, once)
  369. 	function detectDom() {
  370. 		const [root, selector, callback, once] = parseArgs([...arguments], [
  371. 			function(args, defaultValues) {
  372. 				const arg = args[0];
  373. 				return ['root', 'selector', 'callback', 'once'].map((prop, i) => arg.hasOwnProperty(prop) ? arg[prop] : defaultValues[i]);
  374. 			},
  375. 			[2,3],
  376. 			[1,2,3],
  377. 			[1,2,3,4]
  378. 		], [document, '', e => Err('detectDom: callback not found'), true]);
  379.  
  380. 		if ($(root, selector)) {
  381. 			for (const elm of $All(root, selector)) {
  382. 				callback(elm);
  383. 				if (once) {
  384. 					return null;
  385. 				}
  386. 			}
  387. 		}
  388.  
  389. 		const observer = new MutationObserver(mCallback);
  390. 		observer.observe(root, {
  391. 			childList: true,
  392. 			subtree: true
  393. 		});
  394.  
  395. 		function mCallback(mutationList, observer) {
  396. 			const addedNodes = mutationList.reduce((an, mutation) => ((an.push.apply(an, mutation.addedNodes), an)), []);
  397. 			const addedSelectorNodes = addedNodes.reduce((nodes, anode) => {
  398. 				if (anode.matches && anode.matches(selector)) {
  399. 					nodes.add(anode);
  400. 				}
  401. 				const childMatches = anode.querySelectorAll ? $All(anode, selector) : [];
  402. 				for (const cm of childMatches) {
  403. 					nodes.add(cm);
  404. 				}
  405. 				return nodes;
  406. 			}, new Set());
  407. 			for (const node of addedSelectorNodes) {
  408. 				callback(node);
  409. 				if (once) {
  410. 					observer.disconnect();
  411. 					break;
  412. 				}
  413. 			}
  414. 		}
  415.  
  416. 		return observer;
  417. 	}
  418.  
  419. 	// querySelector
  420. 	function $() {
  421. 		switch(arguments.length) {
  422. 			case 2:
  423. 				return arguments[0].querySelector(arguments[1]);
  424. 				break;
  425. 			default:
  426. 				return document.querySelector(arguments[0]);
  427. 		}
  428. 	}
  429. 	// querySelectorAll
  430. 	function $All() {
  431. 		switch(arguments.length) {
  432. 			case 2:
  433. 				return arguments[0].querySelectorAll(arguments[1]);
  434. 				break;
  435. 			default:
  436. 				return document.querySelectorAll(arguments[0]);
  437. 		}
  438. 	}
  439.  
  440. 	function parseArgs(args, rules, defaultValues=[]) {
  441. 		// args and rules should be array, but not just iterable (string is also iterable)
  442. 		if (!Array.isArray(args) || !Array.isArray(rules)) {
  443. 			throw new TypeError('parseArgs: args and rules should be array')
  444. 		}
  445.  
  446. 		// fill rules[0]
  447. 		(!Array.isArray(rules[0]) || rules[0].length === 1) && rules.splice(0, 0, []);
  448.  
  449. 		// max arguments length
  450. 		const count = rules.length - 1;
  451.  
  452. 		// args.length must <= count
  453. 		if (args.length > count) {
  454. 			throw new TypeError(`parseArgs: args has more elements(${args.length}) longer than ruless'(${count})`);
  455. 		}
  456.  
  457. 		// rules[i].length should be === i if rules[i] is an array, otherwise it should be a function
  458. 		for (let i = 1; i <= count; i++) {
  459. 			const rule = rules[i];
  460. 			if (Array.isArray(rule)) {
  461. 				if (rule.length !== i) {
  462. 					throw new TypeError(`parseArgs: rules[${i}](${rule}) should have ${i} numbers, but given ${rules[i].length}`);
  463. 				}
  464. 				if (!rule.every((num) => (typeof num === 'number' && num <= count))) {
  465. 					throw new TypeError(`parseArgs: rules[${i}](${rule}) should contain numbers smaller than count(${count}) only`);
  466. 				}
  467. 			} else if (typeof rule !== 'function') {
  468. 				throw new TypeError(`parseArgs: rules[${i}](${rule}) should be an array or a function.`)
  469. 			}
  470. 		}
  471.  
  472. 		// Parse
  473. 		const rule = rules[args.length];
  474. 		let parsed;
  475. 		if (Array.isArray(rule)) {
  476. 			parsed = [...defaultValues];
  477. 			for (let i = 0; i < rule.length; i++) {
  478. 				parsed[rule[i]-1] = args[i];
  479. 			}
  480. 		} else {
  481. 			parsed = rule(args, defaultValues);
  482. 		}
  483. 		return parsed;
  484. 	}
  485.  
  486. 	// type: [Error, TypeError]
  487. 	function Err(msg, type=0) {
  488. 		throw new [Error, TypeError][type]((typeof GM_info === 'object' ? `[${GM_info.script.name}]` : '') + msg);
  489. 	}
  490. })();

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