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Javascript Link Fixer

Converts Javascript links that open new windows into regular old links

目前为 2016-01-30 提交的版本。查看 最新版本。

  1. // ==UserScript==
  2. // @name          Javascript Link Fixer
  3. // @namespace     DoomTay
  4. // @description   Converts Javascript links that open new windows into regular old links
  5. // @version       1.2.3
  6. // @grant         none
  7.  
  8. // ==/UserScript==
  9.  
  10. var links = document.querySelectorAll("[href *= 'javascript:']");
  11.  
  12. var paramTable = {};
  13. 	paramTable["open"] = 0;
  14. 	paramTable["window.open"] = 0;
  15.  
  16. for (var l = 0; l < links.length; l++)
  17. {
  18. 	if(links[l].href == undefined) continue;
  19. 	if(links[l].href.indexOf("void") > -1) continue;
  20. 	if(links[l].href.substring(11) == "" || links[l].href.substring(11) == ";") continue;
  21. 	var hrefSplitter = /javascript:(\S+)\((\S+(?:,(?: )\S+)*)?\)/.exec(links[l].href);
  22. 	if(hrefSplitter == null) continue;
  23. 	var functionName = decodeURIComponent(hrefSplitter[1]).trim();
  24. 	var params = hrefSplitter[2] ? eval("[" + decodeURIComponent(hrefSplitter[2]) + "]") : [];
  25. 	var functionDig = deconstructFunction(functionName,params);
  26. 	if(functionDig != null)
  27. 	{
  28. 		links[l].setAttribute("onclick",decodeURIComponent(links[l].href).substring(links[l].href.indexOf("javascript:") + 11) + "; return false");
  29. 		links[l].href = functionDig;
  30. 	}
  31. }
  32.  
  33. function deconstructFunction(functionName,params)
  34. {
  35. 	if(functionName == "history.go") return null;
  36. 	var sourceCode = uneval(window[functionName]);
  37. 	var functionBody = sourceCode.substring(sourceCode.indexOf("{") + 1,sourceCode.lastIndexOf("}")).trim();
  38. 	while(functionBody.indexOf(functionName + ".arguments") > -1) functionBody = functionBody.replace(functionName + ".arguments","params");
  39. 	var args = /\(((?: )?\S+(?:,(?: )\S+)*)?(?: )?\)/.exec(sourceCode);
  40. 	args = args && args[1] ? args[1].split(/\s*,\s*/) : [];
  41. 	var containedFunctions = functionBody.match(/(\S+\(\S+(?:,(?: )?\S+)*\))/g) || [];
  42. 	var ifCollection = functionBody.match(/if ?\([a-zA-z '?=+&.<>!()0-9;]+\)[ \n\t]+?{[\s\S][\na-zA-z '?=+.,">\/()0-9;!@#$%^&*\t]+[\s]+}/g);
  43. 	var variableMatches = functionBody.match(/(\S+ ?= ?.+)/g);
  44. 	var variableDefs = [];
  45. 	if(variableMatches)
  46. 	{
  47. 		for(var m = 0; m < variableMatches.length; m++)
  48. 		{
  49. 			if(variableMatches[m].indexOf("==") > -1 || variableMatches[m].indexOf("!=") > -1 || variableMatches[m].indexOf("//") > -1 || variableMatches[m].indexOf(">=") > -1 || variableMatches[m].indexOf("<=") > -1) continue;
  50. 			if(containedFunctions != null && containedFunctions.some(elem => variableMatches[m].substring(variableMatches[m].indexOf("=") + 1).trim().indexOf(elem) > -1)) continue;
  51. 			if(/.+\(/.test(variableMatches[m]) && variableMatches[m].indexOf("eval(") == -1) continue;
  52. 			if(variableMatches[m].indexOf("+=") > -1) continue;
  53. 			variableDefs.push(variableMatches[m].match(/(\S+) ?= ?(.+?;)/).slice(1, 3));
  54. 		}
  55. 	}
  56.  
  57. 	for(var a = 0; a < params.length; a++)
  58. 	{
  59. 		eval(args[a] + "= \"" + params[a] + "\"");
  60. 	}
  61.  
  62. 	if(variableDefs)
  63. 	{
  64. 		for(var v = 0; v < variableDefs.length; v++)
  65. 		{
  66. 			//Making sure we're not altering any properties
  67. 			if(variableDefs[v][0].indexOf(".") == -1)
  68. 			{
  69. 				if(variableDefs[v][1].indexOf("eval(") > -1) variableDefs[v][1] = variableDefs[v][1].replace(/eval\((.+)\)/,"$1");
  70. 				console.log("Evaling",variableDefs[v]);
  71. 				if(variableDefs[v][0] == "location" || variableDefs[v][0].indexOf("window.location")) continue;
  72. 				eval(variableDefs[v][0] + "= " + variableDefs[v][1].toString());
  73. 			}
  74. 		}
  75. 	}
  76. 	if(ifCollection)
  77. 	{
  78. 		for(var i = 0; i < ifCollection.length; i++)
  79. 		{
  80. 			eval(ifCollection[i]);
  81. 		}
  82. 	}
  83. 	if(variableDefs)
  84. 	{
  85. 		for(var v = 0; v < variableDefs.length; v++)
  86. 		{
  87. 			if(variableDefs[v][0].indexOf(".location") > -1)
  88. 			{
  89. 				return eval(variableDefs[v][1]);
  90. 			}
  91. 		}
  92. 	}
  93. 	if(containedFunctions)
  94. 	{
  95. 		for(var f = 0; f < containedFunctions.length; f++)
  96. 		{
  97. 			var capture = /(\S+)\((\S+(?:,(?: )?\S+)*)?\);?/.exec(containedFunctions[f]);
  98. 			var statementName = capture[1];
  99. 			if(statementName == "if") continue;
  100. 			var statementParams = capture[2];
  101. 			statementParams = eval("[" + statementParams + "]");
  102. 			if(paramTable.hasOwnProperty(statementName)) return(statementParams[paramTable[statementName]]);
  103. 			var digDeeper = deconstructFunction(statementName,statementParams);
  104. 			if(digDeeper) return digDeeper;
  105. 		}
  106. 	}
  107. 	if(functionBody.indexOf(".location = ") > -1)
  108. 	{
  109. 		var test = /\.location ?= ?(\S+);/.exec(functionBody)[1];
  110. 		for(var p = 0; p < params.length; p++)
  111. 		{
  112. 			if(test == args[p]) return params[p];
  113. 		}
  114. 	}
  115. 	return null;
  116. }