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GM web hooks

Makes GM_xmlhttpRequest and GM_download queued

目前为 2023-02-20 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/460385/1152021/GM%20web%20hooks.js 

  1. /* eslint-disable no-multi-spaces */
  2.  
  3. // ==UserScript==
  4. // @name               GM web hooks
  5. // @namespace          GM-web-hooks
  6. // @version            0.1.1
  7. // @description        Makes GM_xmlhttpRequest and GM_download queued
  8. // @author             PY-DNG
  9. // @license            GPL-v3
  10. // ==/UserScript==
  11.  
  12. /* global LogLevel DoLog Err $ $All $CrE $AEL addStyle destroyEvent copyProp copyProps parseArgs escJsStr replaceText getUrlArgv dl_browser dl_GM AsyncManager */
  13.  
  14. let [GMXHRHook, GMDLHOOK] = (function __MAIN__() {
  15.     'use strict';
  16.  
  17. 	return [GMXHRHook, GMDLHOOK];
  18.  
  19. 	// GM_XHR HOOK: The number of running GM_XHRs in a time must under maxXHR
  20. 	// Returns the abort function to stop the request anyway(no matter it's still waiting, or requesting)
  21. 	// (If the request is invalid, such as url === '', will return false and will NOT make this request)
  22. 	// If the abort function called on a request that is not running(still waiting or finished), there will be NO onabort event
  23. 	// Requires: function delItem(){...} & function uniqueIDMaker(){...}
  24. 	function GMXHRHook(maxXHR=5) {
  25. 		const GM_XHR = GM_xmlhttpRequest;
  26. 		const getID = function() {
  27. 			let id = 0;
  28. 			return () => id++;
  29. 		}();
  30. 		let todoList = [], ongoingList = [];
  31. 		GM_xmlhttpRequest = safeGMxhr;
  32.  
  33. 		function safeGMxhr() {
  34. 			// Get an id for this request, arrange a request object for it.
  35. 			const id = getID();
  36. 			const request = {id: id, args: arguments, aborter: null};
  37.  
  38. 			// Deal onload function first
  39. 			dealEndingEvents(request);
  40.  
  41. 			/* DO NOT DO THIS! KEEP ITS ORIGINAL PROPERTIES!
  42. 			// Stop invalid requests
  43. 			if (!validCheck(request)) {
  44. 				return false;
  45. 			}
  46. 			*/
  47.  
  48. 			// Judge if we could start the request now or later?
  49. 			todoList.push(request);
  50. 			checkXHR();
  51. 			return makeAbortFunc(id);
  52.  
  53. 			// Decrease activeXHRCount while GM_XHR onload;
  54. 			function dealEndingEvents(request) {
  55. 				const e = request.args[0];
  56.  
  57. 				// onload event
  58. 				const oriOnload = e.onload;
  59. 				e.onload = function() {
  60. 					reqFinish(request.id);
  61. 					checkXHR();
  62. 					oriOnload ? oriOnload.apply(null, arguments) : function() {};
  63. 				}
  64.  
  65. 				// onerror event
  66. 				const oriOnerror = e.onerror;
  67. 				e.onerror = function() {
  68. 					reqFinish(request.id);
  69. 					checkXHR();
  70. 					oriOnerror ? oriOnerror.apply(null, arguments) : function() {};
  71. 				}
  72.  
  73. 				// ontimeout event
  74. 				const oriOntimeout = e.ontimeout;
  75. 				e.ontimeout = function() {
  76. 					reqFinish(request.id);
  77. 					checkXHR();
  78. 					oriOntimeout ? oriOntimeout.apply(null, arguments) : function() {};
  79. 				}
  80.  
  81. 				// onabort event
  82. 				const oriOnabort = e.onabort;
  83. 				e.onabort = function() {
  84. 					reqFinish(request.id);
  85. 					checkXHR();
  86. 					oriOnabort ? oriOnabort.apply(null, arguments) : function() {};
  87. 				}
  88. 			}
  89.  
  90. 			// Check if the request is invalid
  91. 			function validCheck(request) {
  92. 				const e = request.args[0];
  93.  
  94. 				if (!e.url) {
  95. 					return false;
  96. 				}
  97.  
  98. 				return true;
  99. 			}
  100.  
  101. 			// Call a XHR from todoList and push the request object to ongoingList if called
  102. 			function checkXHR() {
  103. 				if (ongoingList.length >= maxXHR) {return false;};
  104. 				if (todoList.length === 0) {return false;};
  105. 				const req = todoList.shift();
  106. 				const reqArgs = req.args;
  107. 				const aborter = GM_XHR.apply(null, reqArgs);
  108. 				req.aborter = aborter;
  109. 				ongoingList.push(req);
  110. 				return req;
  111. 			}
  112.  
  113. 			// Make a function that aborts a certain request
  114. 			function makeAbortFunc(id) {
  115. 				return function() {
  116. 					let i;
  117.  
  118. 					// Check if the request haven't been called
  119. 					for (i = 0; i < todoList.length; i++) {
  120. 						const req = todoList[i];
  121. 						if (req.id === id) {
  122. 							// found this request: haven't been called
  123. 							todoList.splice(i, 1);
  124. 							return true;
  125. 						}
  126. 					}
  127.  
  128. 					// Check if the request is running now
  129. 					for (i = 0; i < ongoingList.length; i++) {
  130. 						const req = todoList[i];
  131. 						if (req.id === id) {
  132. 							// found this request: running now
  133. 							req.aborter();
  134. 							reqFinish(id);
  135. 							checkXHR();
  136. 						}
  137. 					}
  138.  
  139. 					// Oh no, this request is already finished...
  140. 					return false;
  141. 				}
  142. 			}
  143.  
  144. 			// Remove a certain request from ongoingList
  145. 			function reqFinish(id) {
  146. 				let i;
  147. 				for (i = 0; i < ongoingList.length; i++) {
  148. 					const req = ongoingList[i];
  149. 					if (req.id === id) {
  150. 						ongoingList = ongoingList.splice(i, 1);
  151. 						return true;
  152. 					}
  153. 				}
  154. 				return false;
  155. 			}
  156. 		}
  157. 	}
  158.  
  159. 	// GM_DL HOOK: The number of running GM_download in a time must under maxDL
  160. 	// Returns the abort function to stop the request anyway(no matter it's still waiting, or requesting)
  161. 	// (If the request is invalid, such as url === '', will return false and will NOT make this request)
  162. 	// If the abort function called on a request that is not running(still waiting or finished), there will be NO onabort event
  163. 	// Requires: function delItem(){...} & function uniqueIDMaker(){...}
  164. 	function GMDLHOOK(maxDL=5) {
  165. 		const GM_DL = GM_download;
  166. 		const getID = function() {
  167. 			let id = 0;
  168. 			return () => id++;
  169. 		}();
  170. 		let todoList = [], ongoingList = [];
  171. 		GM_download = safeGMdl;
  172.  
  173. 		function safeGMdl() {
  174. 			// Get an id for this request, arrange a request object for it.
  175. 			const id = getID();
  176. 			const request = {id: id, args: arguments, aborter: null};
  177.  
  178. 			// Deal onload function first
  179. 			dealEndingEvents(request);
  180.  
  181. 			/* DO NOT DO THIS! KEEP ITS ORIGINAL PROPERTIES!
  182. 			// Stop invalid requests
  183. 			if (!validCheck(request)) {
  184. 				return false;
  185. 			}
  186. 			*/
  187.  
  188. 			// Judge if we could start the request now or later?
  189. 			todoList.push(request);
  190. 			checkDL();
  191. 			return makeAbortFunc(id);
  192.  
  193. 			// Decrease activeXHRCount while GM_DL onload;
  194. 			function dealEndingEvents(request) {
  195. 				const e = request.args[0];
  196.  
  197. 				// onload event
  198. 				const oriOnload = e.onload;
  199. 				e.onload = function() {
  200. 					reqFinish(request.id);
  201. 					checkDL();
  202. 					oriOnload ? oriOnload.apply(null, arguments) : function() {};
  203. 				}
  204.  
  205. 				// onerror event
  206. 				const oriOnerror = e.onerror;
  207. 				e.onerror = function() {
  208. 					reqFinish(request.id);
  209. 					checkDL();
  210. 					oriOnerror ? oriOnerror.apply(null, arguments) : function() {};
  211. 				}
  212.  
  213. 				// ontimeout event
  214. 				const oriOntimeout = e.ontimeout;
  215. 				e.ontimeout = function() {
  216. 					reqFinish(request.id);
  217. 					checkDL();
  218. 					oriOntimeout ? oriOntimeout.apply(null, arguments) : function() {};
  219. 				}
  220.  
  221. 				// onabort event
  222. 				const oriOnabort = e.onabort;
  223. 				e.onabort = function() {
  224. 					reqFinish(request.id);
  225. 					checkDL();
  226. 					oriOnabort ? oriOnabort.apply(null, arguments) : function() {};
  227. 				}
  228. 			}
  229.  
  230. 			// Check if the request is invalid
  231. 			function validCheck(request) {
  232. 				const e = request.args[0];
  233.  
  234. 				if (!e.url) {
  235. 					return false;
  236. 				}
  237.  
  238. 				return true;
  239. 			}
  240.  
  241. 			// Call a XHR from todoList and push the request object to ongoingList if called
  242. 			function checkDL() {
  243. 				if (ongoingList.length >= maxDL) {return false;};
  244. 				if (todoList.length === 0) {return false;};
  245. 				const req = todoList.shift();
  246. 				const reqArgs = req.args;
  247. 				const aborter = GM_DL.apply(null, reqArgs);
  248. 				req.aborter = aborter;
  249. 				ongoingList.push(req);
  250. 				return req;
  251. 			}
  252.  
  253. 			// Make a function that aborts a certain request
  254. 			function makeAbortFunc(id) {
  255. 				return function() {
  256. 					let i;
  257.  
  258. 					// Check if the request haven't been called
  259. 					for (i = 0; i < todoList.length; i++) {
  260. 						const req = todoList[i];
  261. 						if (req.id === id) {
  262. 							// found this request: haven't been called
  263. 							todoList.splice(i, 1);
  264. 							return true;
  265. 						}
  266. 					}
  267.  
  268. 					// Check if the request is running now
  269. 					for (i = 0; i < ongoingList.length; i++) {
  270. 						const req = todoList[i];
  271. 						if (req.id === id) {
  272. 							// found this request: running now
  273. 							req.aborter();
  274. 							reqFinish(id);
  275. 							checkDL();
  276. 						}
  277. 					}
  278.  
  279. 					// Oh no, this request is already finished...
  280. 					return false;
  281. 				}
  282. 			}
  283.  
  284. 			// Remove a certain request from ongoingList
  285. 			function reqFinish(id) {
  286. 				let i;
  287. 				for (i = 0; i < ongoingList.length; i++) {
  288. 					const req = ongoingList[i];
  289. 					if (req.id === id) {
  290. 						ongoingList = ongoingList.splice(i, 1);
  291. 						return true;
  292. 					}
  293. 				}
  294. 				return false;
  295. 			}
  296. 		}
  297. 	}
  298. })();

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