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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/
*/
"use strict";
const { NetUtil } = ChromeUtils.importESModule(
"resource://gre/modules/NetUtil.sys.mjs"
);
const { UrlClassifierTestUtils } = ChromeUtils.importESModule(
"resource://testing-common/UrlClassifierTestUtils.sys.mjs"
);
const defaultTopWindowURI = NetUtil.newURI("http://www.example.com/");
var httpServer;
var trackingOrigin;
// ShouldClassify algorithm uses the following parameters:
// 1. Ci.nsIChannel.LOAD_ BYPASS_URL_CLASSIFIER loadflags
// 2. Content type
// 3. triggering principal
// 4. be Conservative
// We test are the combinations here to make sure the algorithm is correct
// const PARAM_LOAD_BYPASS_URL_CLASSIFIER = 1 << 0;
const PARAM_CONTENT_POLICY_TYPE_DOCUMENT = 1 << 1;
const PARAM_TRIGGERING_PRINCIPAL_SYSTEM = 1 << 2;
const PARAM_CAP_BE_CONSERVATIVE = 1 << 3;
const PARAM_MAX = 1 << 4;
function getParameters(bitFlags) {
var params = {
loadFlags: Ci.nsIRequest.LOAD_NORMAL,
contentType: Ci.nsIContentPolicy.TYPE_OTHER,
system: false,
beConservative: false,
};
if (bitFlags & PARAM_TRIGGERING_PRINCIPAL_SYSTEM) {
params.loadFlags = Ci.nsIChannel.LOAD_BYPASS_URL_CLASSIFIER;
}
if (bitFlags & PARAM_CONTENT_POLICY_TYPE_DOCUMENT) {
params.contentType = Ci.nsIContentPolicy.TYPE_DOCUMENT;
}
if (bitFlags & PARAM_TRIGGERING_PRINCIPAL_SYSTEM) {
params.system = true;
}
if (bitFlags & PARAM_CAP_BE_CONSERVATIVE) {
params.beConservative = true;
}
return params;
}
function getExpectedResult(params) {
if (params.loadFlags & Ci.nsIChannel.LOAD_BYPASS_URL_CLASSIFIER) {
return false;
}
if (params.beConservative) {
return false;
}
if (
params.system &&
params.contentType != Ci.nsIContentPolicy.TYPE_DOCUMENT
) {
return false;
}
return true;
}
function setupHttpServer() {
httpServer = new HttpServer();
httpServer.start(-1);
httpServer.identity.setPrimary(
"http",
"tracking.example.org",
httpServer.identity.primaryPort
);
httpServer.identity.add(
"http",
"example.org",
httpServer.identity.primaryPort
);
trackingOrigin =
"http://tracking.example.org:" + httpServer.identity.primaryPort;
}
function setupChannel(params) {
var channel;
if (params.system) {
channel = NetUtil.newChannel({
uri: trackingOrigin + "/evil.js",
loadUsingSystemPrincipal: true,
contentPolicyType: params.contentType,
});
} else {
let principal = Services.scriptSecurityManager.createContentPrincipal(
NetUtil.newURI(trackingOrigin),
{}
);
channel = NetUtil.newChannel({
uri: trackingOrigin + "/evil.js",
loadingPrincipal: principal,
securityFlags: Ci.nsILoadInfo.SEC_ALLOW_CROSS_ORIGIN_SEC_CONTEXT_IS_NULL,
contentPolicyType: params.contentType,
});
}
channel.QueryInterface(Ci.nsIHttpChannel);
channel.requestMethod = "GET";
channel.loadFlags |= params.loadFlags;
channel
.QueryInterface(Ci.nsIHttpChannelInternal)
.setTopWindowURIIfUnknown(defaultTopWindowURI);
channel.QueryInterface(Ci.nsIHttpChannelInternal).beConservative =
params.beConservative;
return channel;
}
add_task(async function testShouldClassify() {
Services.prefs.setBoolPref(
"privacy.trackingprotection.annotate_channels",
true
);
Services.prefs.setBoolPref("network.dns.native-is-localhost", true);
setupHttpServer();
await UrlClassifierTestUtils.addTestTrackers();
for (let i = 0; i < PARAM_MAX; i++) {
let params = getParameters(i);
let channel = setupChannel(params);
await new Promise(resolve => {
channel.asyncOpen({
onStartRequest: (request, context) => {
Assert.equal(
!!(
request.QueryInterface(Ci.nsIClassifiedChannel)
.classificationFlags &
Ci.nsIClassifiedChannel.CLASSIFIED_ANY_BASIC_TRACKING
),
getExpectedResult(params)
);
request.cancel(Cr.NS_ERROR_ABORT);
resolve();
},
onDataAvailable: (request, context, stream, offset, count) => {},
onStopRequest: (request, context, status) => {},
});
});
}
UrlClassifierTestUtils.cleanupTestTrackers();
httpServer.stop(do_test_finished);
});
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