tor-browser

test_logoutAndTeardown.js (5332B)

---

// -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
// Any copyright is dedicated to the Public Domain.
// http://creativecommons.org/publicdomain/zero/1.0/

"use strict";

// This test ensures that in-progress https connections are cancelled when the
// user logs out of a PKCS#11 token.

// Get a profile directory and ensure PSM initializes NSS.
do_get_profile();
Cc["@mozilla.org/psm;1"].getService(Ci.nsISupports);

function getTestServerCertificate() {
 const certDB = Cc["@mozilla.org/security/x509certdb;1"].getService(
   Ci.nsIX509CertDB
 );
 const certFile = do_get_file("test_certDB_import/encrypted_with_aes.p12");
 certDB.importPKCS12File(certFile, "password");
 for (const cert of certDB.getCerts()) {
   if (cert.commonName == "John Doe") {
     return cert;
   }
 }
 return null;
}

class InputStreamCallback {
 constructor(output) {
   this.output = output;
   this.stopped = false;
 }

 onInputStreamReady(stream) {
   info("input stream ready");
   if (this.stopped) {
     info("input stream callback stopped - bailing");
     return;
   }
   let available = 0;
   try {
     available = stream.available();
   } catch (e) {
     // onInputStreamReady may fire when the stream has been closed.
     equal(
       e.result,
       Cr.NS_BASE_STREAM_CLOSED,
       "error should be NS_BASE_STREAM_CLOSED"
     );
   }
   if (available > 0) {
     let request = NetUtil.readInputStreamToString(stream, available, {
       charset: "utf8",
     });
     ok(
       request.startsWith("GET / HTTP/1.1\r\n"),
       "Should get a simple GET / HTTP/1.1 request"
     );
     let response = "HTTP/1.1 200 OK\r\nContent-Type: text/plain\r\n\r\n";
     this.output.write(response, response.length);
     // Keep writing a response until the client disconnects due to the
     // logoutAndTeardown. If the client never disconnects, the test will time
     // out, indicating a bug.
     while (true) {
       this.output.write("a", 1);
     }
   }
   this.output.close();
   info("done with input stream ready");
 }

 stop() {
   this.stopped = true;
   this.output.close();
 }
}

class TLSServerSecurityObserver {
 constructor(input, output) {
   this.input = input;
   this.output = output;
   this.callbacks = [];
   this.stopped = false;
 }

 onHandshakeDone(socket, status) {
   info("TLS handshake done");
   info(`TLS version used: ${status.tlsVersionUsed}`);

   if (this.stopped) {
     info("handshake done callback stopped - bailing");
     return;
   }

   let callback = new InputStreamCallback(this.output);
   this.callbacks.push(callback);
   this.input.asyncWait(callback, 0, 0, Services.tm.currentThread);

   // We've set up everything needed for a successful request/response,
   // but calling logoutAndTeardown should cause the request to be cancelled.
   Cc["@mozilla.org/security/sdr;1"]
     .getService(Ci.nsISecretDecoderRing)
     .logoutAndTeardown();
 }

 stop() {
   this.stopped = true;
   this.input.close();
   this.output.close();
   this.callbacks.forEach(callback => {
     callback.stop();
   });
 }
}

class ServerSocketListener {
 constructor() {
   this.securityObservers = [];
 }

 onSocketAccepted(socket, transport) {
   info("accepted TLS client connection");
   let connectionInfo = transport.securityCallbacks.getInterface(
     Ci.nsITLSServerConnectionInfo
   );
   let input = transport.openInputStream(0, 0, 0);
   let output = transport.openOutputStream(0, 0, 0);
   let securityObserver = new TLSServerSecurityObserver(input, output);
   this.securityObservers.push(securityObserver);
   connectionInfo.setSecurityObserver(securityObserver);
 }

 // For some reason we get input stream callback events after we've stopped
 // listening, so this ensures we just drop those events.
 onStopListening() {
   info("onStopListening");
   this.securityObservers.forEach(observer => {
     observer.stop();
   });
 }
}

function getStartedServer(cert) {
 let tlsServer = Cc["@mozilla.org/network/tls-server-socket;1"].createInstance(
   Ci.nsITLSServerSocket
 );
 tlsServer.init(-1, true, -1);
 tlsServer.serverCert = cert;
 tlsServer.setSessionTickets(false);
 tlsServer.asyncListen(new ServerSocketListener());
 return tlsServer;
}

const hostname = "example.com";

function storeCertOverride(port, cert) {
 let certOverrideService = Cc[
   "@mozilla.org/security/certoverride;1"
 ].getService(Ci.nsICertOverrideService);
 certOverrideService.rememberValidityOverride(hostname, port, {}, cert, true);
}

function startClient(port) {
 let req = new XMLHttpRequest();
 req.open("GET", `https://${hostname}:${port}`);
 return new Promise(resolve => {
   req.onload = () => {
     ok(false, "should not have gotten load event");
     resolve();
   };
   req.onerror = () => {
     ok(true, "should have gotten an error");
     resolve();
   };

   req.send();
 });
}

add_task(async function () {
 Services.prefs.setCharPref("network.dns.localDomains", hostname);
 let cert = getTestServerCertificate();

 let server = getStartedServer(cert);
 storeCertOverride(server.port, cert);
 await startClient(server.port);
 server.close();
});

registerCleanupFunction(function () {
 Services.prefs.clearUserPref("network.dns.localDomains");
});