misc/greasemonkey/tos_inspector.user.js

// ==UserScript==
// @name           TOS Inspector
// @namespace      Utopiah
// @description    Understand and help other to understand cryptic terms of services
// @include        *facebook.com*
// ==/UserScript==

/*

Work on the wiki side
	service template
	tos monitoring tools
	diff tools
	patterns to look for
	...

*/

serviceName="Facebook";
serviceAlternatives='<a href="http://joindiaspora.com">Diaspora</a>';
tosPath="TrackedTOS";
wikiUrl="http://self/devpim/";

GM_xmlhttpRequest({
  method: "GET",
  url: wikiUrl+tosPath+"/"+serviceName+"?action=source",
  onload: function(response) {
	tos = response.responseText;
	GM_setValue("tosLastResult",responseCheck(tos));
    }
});


function responseCheck(tos) {
	if (tos == 'Ok' ){
		return '<img src="'+wikiUrl+'pub/green-light.png" /><font color="green">TOS ok :)</font>';
	}
	if (tos == 'Meh'){
		return '<img src="'+wikiUrl+'pub/orange-light.png" /><font color="orange">Warning</font> (consider those settings)';
	}
	if (tos == 'Bad'){
		return '<img src="'+wikiUrl+'pub/red-light.png" /><font color="red">BAD TOS!</font> (try '+serviceAlternatives+' instead)';
	}
}

	tosRendering = GM_getValue("tosLastResult",'<img src="'+wikiUrl+'pub/orange-light.png" /><font color="orange">Warning</font> ToS not found, please consider <a href="'+wikiUrl+tosPath+'/'+serviceName+'">adding it</a>.');


var myDiv = document.createElement('div');
myDiv.id = "GM_TOS_Inspector_Window";
myDiv.innerHTML += "<p class=\"tos_render\">"+tosRendering+"<ul>"
	+"<li>Tune your settings<li/>"
	+"<li>Contribute to <a href=\""+wikiUrl+tosPath+"/"+serviceName+"\">the ToS wiki page for this service</a>.</li>"
	+"</ul></p>";
boxcss = 'position:fixed; right:5px; top:50px; background-color:white; z-index:1; opacity:0.9;';
boxcss += 'padding:2px; margin:1px;';
boxcss += 'color:blue; font-size:10px; text-align:right;';
boxcss += 'border-width:3px; border-color:gray; border-style:solid;';
myDiv.style.cssText = boxcss;
document.body.appendChild(myDiv);