HOOK

HOOK API

Ezt a szkriptet nem ajánlott közvetlenül telepíteni. Ez egy könyvtár más szkriptek számára, amik tartalmazzák a // @require https://update.greasyfork.org/scripts/40863/266172/HOOK.js hivatkozást.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

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(I already have a user script manager, let me install it!)

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You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         HOOK
// @namespace    http://www.infosec-wiki.com/
// @version      1.3
// @description  HOOK API
// @author       http://www.infosec-wiki.com/
// @match        *
// @run-at       document-start

function Hooks() {
	return {
		initEnv:function () {
			Function.prototype.hook = function (realFunc,hookFunc, run, context,funcName) {
				var _context = null; //函數上下文
				var _funcName = null; //函數名

				_context = context || window;
				//_context = context || unsafeWindow;

				_funcName = funcName || getFuncName(this);
				_context[realFunc] = this;

				if(_context[_funcName].prototype && _context[_funcName].prototype.isHooked)
				{
					console.log("Already has been hooked,unhook first");
					return false;
				}

				function getFuncName (fn) {
					// 獲取函數名稱
					var strFunc = fn.toString();
					var _regex = /function\s+(\w+)\s*\(/;
					var patten = strFunc.match(_regex);
					if (patten) {
						return patten[1];
					};
					return '';
				}

				try {
					if (run) {
						eval('_context[_funcName] = function ' + _funcName + '(){\n' +
							'var args = Array.prototype.slice.call(arguments,0);\n' +
							'var obj = this;\n' +
							'hookFunc.apply(obj,args)\n' +
							'return _context[realFunc].apply(obj,args);\n' +
							'};');
					}else {
						eval('_context[_funcName] = function ' + _funcName + '(){\n' +
							'var args = Array.prototype.slice.call(arguments,0);\n' +
							'var obj = this;\n' +
							'hookFunc.apply(obj,args)\n' +
							'};');
					}
					_context[_funcName].prototype.isHooked = true;
					return true;
				}catch (e)
				{
					console.log("Hook failed,check the params.");
					return false;
				}
			};
			Function.prototype.unhook = function (realFunc,funcName,context) {
				var _context = null;
				var _funcName = null;
				_context = context || window;
				_funcName = funcName;
				if (!_context[_funcName].prototype.isHooked)
				{
					console.log("No function is hooked on");
					return false;
				}
				_context[_funcName] = _context[realFunc];
				delete _context[realFunc];
				return true;
			};
		},
		cleanEnv:function () {
			if(Function.prototype.hasOwnProperty("hook"))
			{
				delete Function.prototype.hook;
			}
			if(Function.prototype.hasOwnProperty("unhook"))
			{
				delete Function.prototype.unhook;
			}
			return true;
		}
	};
}