gecko-dev/dom/base/test/bug704320_counter.sjs

95 строки
2.6 KiB
JavaScript

// Handle counting loads for bug 704320.
const SHARED_KEY="bug704320_counter";
const DEFAULT_STATE = {'css': {'count': 0, 'referrers': []},
'img': {'count': 0, 'referrers': []},
'js': {'count': 0, 'referrers': []}};
const TYPE_MAP = {'css': 'text/css',
'js': 'application/javascript',
'img': 'image/png',
'html': 'text/html'};
// Writes an image to the response
function WriteOutImage(response)
{
var file = Components.classes["@mozilla.org/file/directory_service;1"]
.getService(Components.interfaces.nsIProperties)
.get("CurWorkD", Components.interfaces.nsIFile);
file.append("tests");
file.append("image");
file.append("test");
file.append("mochitest");
file.append('blue.png');
var fileStream = Components.classes['@mozilla.org/network/file-input-stream;1']
.createInstance(Components.interfaces.nsIFileInputStream);
fileStream.init(file, 1, 0, false);
response.bodyOutputStream.writeFrom(fileStream, fileStream.available());
}
function handleRequest(request, response)
{
var query = {};
request.queryString.split('&').forEach(function (val) {
var [name, value] = val.split('=');
query[name] = unescape(value);
});
var referrerLevel = "none";
if (request.hasHeader('Referer')) {
let referrer = request.getHeader('Referer');
if (referrer.indexOf("bug704320") > 0) {
referrerLevel = "full";
} else if (referrer == "http://mochi.test:8888") {
referrerLevel = "origin";
}
}
var state = getSharedState(SHARED_KEY);
if (state === '') {
state = DEFAULT_STATE;
} else {
state = JSON.parse(state);
}
response.setStatusLine(request.httpVersion, 200, "OK");
//avoid confusing cache behaviors
response.setHeader("Cache-Control", "no-cache", false);
if ("reset" in query) {
//reset server state
setSharedState(SHARED_KEY, JSON.stringify(DEFAULT_STATE));
//serve any CSS that we want to use.
response.write("");
return;
}
if ("results" in query) {
response.setHeader("Content-Type", "text/javascript", false);
response.write(JSON.stringify(state));
return;
}
if ('type' in query) {
state[query.type].count++;
response.setHeader("Content-Type", TYPE_MAP[query.type], false);
if (state[query.type].referrers.indexOf(referrerLevel) < 0) {
state[query.type].referrers.push(referrerLevel);
}
if (query.type == 'img') {
WriteOutImage(response);
}
}
if ('content' in query) {
response.write(unescape(query['content']));
}
setSharedState(SHARED_KEY, JSON.stringify(state));
return;
}