1 files changed, 122 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_trr_proxy_auth.js b/netwerk/test/unit/test_trr_proxy_auth.js
new file mode 100644
index 0000000000..0576514486
--- /dev/null
+++ b/netwerk/test/unit/test_trr_proxy_auth.js
@@ -0,0 +1,122 @@
+/* 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";
+
+/* import-globals-from head_cache.js */
+/* import-globals-from head_cookies.js */
+/* import-globals-from head_channels.js */
+/* import-globals-from head_servers.js */
+
+function setup() {
+  trr_test_setup();
+  Services.prefs.setBoolPref("network.trr.fetch_off_main_thread", true);
+}
+
+setup();
+registerCleanupFunction(async () => {
+  trr_clear_prefs();
+});
+
+function AuthPrompt() {}
+
+AuthPrompt.prototype = {
+  user: "guest",
+  pass: "guest",
+
+  QueryInterface: ChromeUtils.generateQI(["nsIAuthPrompt2"]),
+
+  promptAuth: function ap_promptAuth(channel, level, authInfo) {
+    authInfo.username = this.user;
+    authInfo.password = this.pass;
+
+    return true;
+  },
+
+  asyncPromptAuth: function ap_async(chan, cb, ctx, lvl, info) {
+    throw Components.Exception("", Cr.NS_ERROR_NOT_IMPLEMENTED);
+  },
+};
+
+function Requestor() {}
+
+Requestor.prototype = {
+  QueryInterface: ChromeUtils.generateQI(["nsIInterfaceRequestor"]),
+
+  getInterface: function requestor_gi(iid) {
+    if (iid.equals(Ci.nsIAuthPrompt2)) {
+      // Allow the prompt to store state by caching it here
+      if (!this.prompt) {
+        this.prompt = new AuthPrompt();
+      }
+      return this.prompt;
+    }
+
+    throw Components.Exception("", Cr.NS_ERROR_NO_INTERFACE);
+  },
+
+  prompt: null,
+};
+
+// Test if we successfully retry TRR request on main thread.
+add_task(async function test_trr_proxy_auth() {
+  let certdb = Cc["@mozilla.org/security/x509certdb;1"].getService(
+    Ci.nsIX509CertDB
+  );
+  addCertFromFile(certdb, "http2-ca.pem", "CTu,u,u");
+  addCertFromFile(certdb, "proxy-ca.pem", "CTu,u,u");
+
+  let trrServer = new TRRServer();
+  await trrServer.start();
+  Services.prefs.setIntPref("network.trr.mode", 3);
+  Services.prefs.setCharPref(
+    "network.trr.uri",
+    `https://foo.example.com:${trrServer.port}/dns-query`
+  );
+
+  await trrServer.registerDoHAnswers("test.proxy.com", "A", {
+    answers: [
+      {
+        name: "test.proxy.com",
+        ttl: 55,
+        type: "A",
+        flush: false,
+        data: "3.3.3.3",
+      },
+    ],
+  });
+
+  await new TRRDNSListener("test.proxy.com", "3.3.3.3");
+
+  let proxy = new NodeHTTP2ProxyServer();
+  await proxy.start(0, true);
+  registerCleanupFunction(async () => {
+    await proxy.stop();
+    await trrServer.stop();
+  });
+
+  let authTriggered = false;
+  let observer = {
+    QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),
+    observe(aSubject, aTopic, aData) {
+      if (aTopic == "http-on-examine-response") {
+        Services.obs.removeObserver(observer, "http-on-examine-response");
+        let channel = aSubject.QueryInterface(Ci.nsIChannel);
+        channel.notificationCallbacks = new Requestor();
+        if (
+          channel.URI.spec.startsWith(
+            `https://foo.example.com:${trrServer.port}/dns-query`
+          )
+        ) {
+          authTriggered = true;
+        }
+      }
+    },
+  };
+  Services.obs.addObserver(observer, "http-on-examine-response");
+
+  Services.dns.clearCache(true);
+  await new TRRDNSListener("test.proxy.com", "3.3.3.3");
+  Assert.ok(authTriggered);
+});