Tue, 06 Jan 2015 21:39:09 +0100
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
1 function parseQueryString(str)
2 {
3 if (str == "")
4 return {};
6 var paramArray = str.split("&");
7 var regex = /^([^=]+)=(.*)$/;
8 var params = {};
9 for (var i = 0, sz = paramArray.length; i < sz; i++)
10 {
11 var match = regex.exec(paramArray[i]);
12 if (!match)
13 throw "Bad parameter in queryString! '" + paramArray[i] + "'";
14 params[decodeURIComponent(match[1])] = decodeURIComponent(match[2]);
15 }
17 return params;
18 }
20 function getPosition(action)
21 {
22 var response = {
23 status: "OK",
24 location: {
25 lat: 37.41857,
26 lng: -122.08769,
27 },
28 accuracy: (action == "worse-accuracy") ? 100 : 42,
29 };
31 return JSON.stringify(response);
32 }
34 var timer;
35 function handleRequest(request, response)
36 {
37 var params = parseQueryString(request.queryString);
39 if (params.action == "stop-responding") {
40 response.processAsync();
41 return;
42 }
44 var position = getPosition(params.action);
46 if (params.action == "respond-garbage") {
47 // better way?
48 var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz";
49 position = "";
50 var len = Math.floor(Math.random() * 5000);
52 for (var i=0; i< len; i++) {
53 var c = Math.floor(Math.random() * chars.length);
54 position += chars.substring(c, c+1);
55 }
56 }
58 var response;
59 response.processAsync();
60 response.setStatusLine("1.0", 200, "OK");
61 response.setHeader("Cache-Control", "no-cache", false);
62 response.setHeader("Content-Type", "aplication/x-javascript", false);
64 var delay = 0;
65 if ('delay' in params) {
66 delay = params.delay;
67 }
68 if (params.action === "send404") {
69 response.setStatusLine("1.0", 404, "Not Found");
70 position = '';
71 }
72 timer = Components.classes["@mozilla.org/timer;1"].createInstance(Components.interfaces.nsITimer);
73 timer.initWithCallback(function() {
74 response.write(position);
75 response.finish();
76 }, delay, timer.TYPE_ONE_SHOT);
77 }