gecko-dev/netwerk/test/unit/test_dns_proxy_bypass.js

96 строки
2.6 KiB
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
var prefs = Services.prefs;
function setup() {
prefs.setBoolPref("network.dns.notifyResolution", true);
prefs.setCharPref("network.proxy.socks", "127.0.0.1");
prefs.setIntPref("network.proxy.socks_port", 9000);
prefs.setIntPref("network.proxy.type", 1);
prefs.setBoolPref("network.proxy.socks_remote_dns", true);
}
setup();
registerCleanupFunction(async () => {
prefs.clearUserPref("network.proxy.socks");
prefs.clearUserPref("network.proxy.socks_port");
prefs.clearUserPref("network.proxy.type");
prefs.clearUserPref("network.proxy.socks_remote_dns");
prefs.clearUserPref("network.dns.notifyResolution");
});
var url = "ws://dnsleak.example.com";
var dnsRequestObserver = {
register() {
this.obs = Services.obs;
this.obs.addObserver(this, "dns-resolution-request");
},
unregister() {
if (this.obs) {
this.obs.removeObserver(this, "dns-resolution-request");
}
},
observe(subject, topic, data) {
if (topic == "dns-resolution-request") {
Assert.ok(!data.includes("dnsleak.example.com"), `no dnsleak: ${data}`);
}
},
};
function WSListener(closure) {
this._closure = closure;
}
WSListener.prototype = {
onAcknowledge(aContext, aSize) {},
onBinaryMessageAvailable(aContext, aMsg) {},
onMessageAvailable(aContext, aMsg) {},
onServerClose(aContext, aCode, aReason) {},
onStart(aContext) {},
onStop(aContext, aStatusCode) {
dnsRequestObserver.unregister();
this._closure();
},
};
add_task(async function test_dns_websocket_channel() {
dnsRequestObserver.register();
var chan = Cc["@mozilla.org/network/protocol;1?name=ws"].createInstance(
Ci.nsIWebSocketChannel
);
var uri = Services.io.newURI(url);
chan.initLoadInfo(
null, // aLoadingNode
Services.scriptSecurityManager.createContentPrincipal(uri, {}),
null, // aTriggeringPrincipal
Ci.nsILoadInfo.SEC_ALLOW_CROSS_ORIGIN_SEC_CONTEXT_IS_NULL,
Ci.nsIContentPolicy.TYPE_WEBSOCKET
);
await new Promise(resolve =>
chan.asyncOpen(uri, url, {}, 0, new WSListener(resolve), null)
);
});
add_task(async function test_dns_resolve_proxy() {
dnsRequestObserver.register();
let { error } = await new TRRDNSListener("dnsleak.example.com", {
expectEarlyFail: true,
});
Assert.equal(
error.result,
Cr.NS_ERROR_UNKNOWN_PROXY_HOST,
"error is NS_ERROR_UNKNOWN_PROXY_HOST"
);
dnsRequestObserver.unregister();
});