1 files changed, 121 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_retry_0rtt.js b/netwerk/test/unit/test_retry_0rtt.js
new file mode 100644
index 0000000000..3ccb8b9c11
--- /dev/null
+++ b/netwerk/test/unit/test_retry_0rtt.js
@@ -0,0 +1,121 @@
+/* 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";
+
+const { HttpServer } = ChromeUtils.import("resource://testing-common/httpd.js");
+var httpServer = null;
+
+let handlerCallbacks = {};
+
+function listenHandler(metadata, response) {
+  info(metadata.path);
+  handlerCallbacks[metadata.path] = (handlerCallbacks[metadata.path] || 0) + 1;
+}
+
+function handlerCount(path) {
+  return handlerCallbacks[path] || 0;
+}
+
+ChromeUtils.importESModule("resource://gre/modules/AppConstants.sys.mjs");
+
+// Bug 1805371: Tests that require FaultyServer can't currently be built
+// with system NSS.
+add_setup(
+  {
+    skip_if: () => AppConstants.MOZ_SYSTEM_NSS,
+  },
+  async () => {
+    httpServer = new HttpServer();
+    httpServer.registerPrefixHandler("/callback/", listenHandler);
+    httpServer.start(-1);
+
+    registerCleanupFunction(async () => {
+      await httpServer.stop();
+    });
+
+    Services.env.set(
+      "FAULTY_SERVER_CALLBACK_PORT",
+      httpServer.identity.primaryPort
+    );
+    Services.env.set("MOZ_TLS_SERVER_0RTT", "1");
+    await asyncStartTLSTestServer(
+      "FaultyServer",
+      "../../../security/manager/ssl/tests/unit/test_faulty_server"
+    );
+    let nssComponent = Cc["@mozilla.org/psm;1"].getService(Ci.nsINSSComponent);
+    await nssComponent.asyncClearSSLExternalAndInternalSessionCache();
+  }
+);
+
+async function sleep(time) {
+  return new Promise(resolve => {
+    do_timeout(time * 1000, resolve);
+  });
+}
+
+function makeChan(url) {
+  let chan = NetUtil.newChannel({
+    uri: url,
+    loadUsingSystemPrincipal: true,
+  }).QueryInterface(Ci.nsIHttpChannel);
+
+  chan.loadFlags = Ci.nsIChannel.LOAD_INITIAL_DOCUMENT_URI;
+  return chan;
+}
+
+function channelOpenPromise(chan, flags) {
+  return new Promise(resolve => {
+    chan.asyncOpen(
+      new ChannelListener((req, buffer) => resolve([req, buffer]), null, flags)
+    );
+  });
+}
+
+add_task(
+  {
+    skip_if: () => AppConstants.MOZ_SYSTEM_NSS,
+  },
+  async function testRetry0Rtt() {
+    var retryDomains = [
+      "0rtt-alert-bad-mac.example.com",
+      "0rtt-alert-protocol-version.example.com",
+      //"0rtt-alert-unexpected.example.com", // TODO(bug 1753204): uncomment this
+    ];
+
+    Services.prefs.setCharPref("network.dns.localDomains", retryDomains);
+
+    Services.prefs.setBoolPref("network.ssl_tokens_cache_enabled", true);
+
+    for (var i = 0; i < retryDomains.length; i++) {
+      {
+        let countOfEarlyData = handlerCount("/callback/1");
+        let chan = makeChan(`https://${retryDomains[i]}:8443`);
+        let [, buf] = await channelOpenPromise(chan, CL_ALLOW_UNKNOWN_CL);
+        ok(buf);
+        equal(
+          handlerCount("/callback/1"),
+          countOfEarlyData,
+          "no early data sent"
+        );
+      }
+
+      // The server has an anti-replay mechanism that prohibits it from
+      // accepting 0-RTT connections immediately at startup.
+      await sleep(1);
+
+      {
+        let countOfEarlyData = handlerCount("/callback/1");
+        let chan = makeChan(`https://${retryDomains[i]}:8443`);
+        let [, buf] = await channelOpenPromise(chan, CL_ALLOW_UNKNOWN_CL);
+        ok(buf);
+        equal(
+          handlerCount("/callback/1"),
+          countOfEarlyData + 1,
+          "got early data"
+        );
+      }
+    }
+  }
+);