Javascript Link Fixer

Converts Javascript links that open new windows into regular old links

Version vom 10.01.2016. Aktuellste Version

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// ==UserScript==
// @name          Javascript Link Fixer
// @namespace     DoomTay
// @description   Converts Javascript links that open new windows into regular old links
// @version       1.1.0
// @grant         none

// ==/UserScript==

var links = document.querySelectorAll("a[href *= 'javascript:']");

var paramTable = {};
	paramTable["open"] = 0;

for (var l = 0; l < links.length; l++)
{
	if(links[l].href.indexOf("void") > -1) continue;
	var hrefSplitter = /javascript:(\S+)\((\S+(?:,(?: )\S+)*)?\)/.exec(links[l].href);
	if(hrefSplitter == null) continue;
	var functionName = hrefSplitter[1];
	var params = hrefSplitter[2].split(",");
	if(deconstructFunction(functionName,params) != null) links[l].href = deconstructFunction(functionName,params);
}

function deconstructFunction(functionName,params)
{
	var sourceCode = uneval(window[functionName]);
	var functionBody = sourceCode.substring(sourceCode.indexOf("{") + 1,sourceCode.indexOf("}")).trim();
	var arguments = /\((\S+(?:,(?: )\S+)*)?\)/.exec(sourceCode)[1].split(/\s*,\s*/);
	var containedFunctions = (/(\S+)\(/g.exec(functionBody));
	if(containedFunctions)
	{
		containedFunctions.shift();
		for(var s = 0; s < containedFunctions.length; s++)
		{
			var statementName = containedFunctions[s];
			var statementParams = new RegExp(statementName + "\\(((?:.+|\".+\"))\\)").exec(functionBody)[1];
			for(var a = 0; a < arguments.length; a++)
			{
				statementParams = statementParams.replace(new RegExp(" ?\\+ ?" + arguments[a] + " ?\\+ ?","g"), " + " + params[a] + " + ");
			}
			statementParams = eval("[" + statementParams + "]");
			if(paramTable.hasOwnProperty(statementName)) return(statementParams[paramTable[statementName]]);
			var digDeeper = deconstructFunction(statementName,statementParams);
			if(digDeeper) return digDeeper;
		}
	}
	else
	{
		if(functionBody.indexOf(".location = ") > -1)
		{
			var test = /\.location ?= ?(\S+);/.exec(functionBody)[1];
			for(var p = 0; p < params.length; p++)
			{
				if(test == arguments[p]) return params[p];
			}
		}
	}
	return null;
}