1 files changed, 168 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_http3_server.js b/netwerk/test/unit/test_http3_server.js
new file mode 100644
index 0000000000..5c1b081c52
--- /dev/null
+++ b/netwerk/test/unit/test_http3_server.js
@@ -0,0 +1,168 @@
+/* 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";
+
+let h2Port;
+let h3Port;
+let trrServer;
+
+const certOverrideService = Cc[
+  "@mozilla.org/security/certoverride;1"
+].getService(Ci.nsICertOverrideService);
+const { TestUtils } = ChromeUtils.importESModule(
+  "resource://testing-common/TestUtils.sys.mjs"
+);
+
+add_setup(async function setup() {
+  h2Port = Services.env.get("MOZHTTP2_PORT");
+  Assert.notEqual(h2Port, null);
+  Assert.notEqual(h2Port, "");
+
+  h3Port = Services.env.get("MOZHTTP3_PORT_PROXY");
+  Assert.notEqual(h3Port, null);
+  Assert.notEqual(h3Port, "");
+
+  trr_test_setup();
+
+  Services.prefs.setBoolPref("network.dns.upgrade_with_https_rr", true);
+  Services.prefs.setBoolPref("network.dns.use_https_rr_as_altsvc", true);
+
+  registerCleanupFunction(async () => {
+    trr_clear_prefs();
+    Services.prefs.clearUserPref("network.dns.upgrade_with_https_rr");
+    Services.prefs.clearUserPref("network.dns.use_https_rr_as_altsvc");
+    Services.prefs.clearUserPref("network.dns.disablePrefetch");
+    await trrServer.stop();
+  });
+
+  if (mozinfo.socketprocess_networking) {
+    Services.dns;
+    await TestUtils.waitForCondition(() => Services.io.socketProcessLaunched);
+  }
+});
+
+function makeChan(url) {
+  let chan = NetUtil.newChannel({
+    uri: url,
+    loadUsingSystemPrincipal: true,
+    contentPolicyType: Ci.nsIContentPolicy.TYPE_DOCUMENT,
+  }).QueryInterface(Ci.nsIHttpChannel);
+  return chan;
+}
+
+function channelOpenPromise(chan, flags) {
+  return new Promise(resolve => {
+    function finish(req, buffer) {
+      certOverrideService.setDisableAllSecurityChecksAndLetAttackersInterceptMyData(
+        false
+      );
+      resolve([req, buffer]);
+    }
+    let internal = chan.QueryInterface(Ci.nsIHttpChannelInternal);
+    internal.setWaitForHTTPSSVCRecord();
+    certOverrideService.setDisableAllSecurityChecksAndLetAttackersInterceptMyData(
+      true
+    );
+    chan.asyncOpen(new ChannelListener(finish, null, flags));
+  });
+}
+
+// Use NodeHTTPServer to create an HTTP server and test if the Http/3 server
+// can act as a reverse proxy.
+add_task(async function testHttp3ServerAsReverseProxy() {
+  trrServer = new TRRServer();
+  await trrServer.start();
+  Services.dns.clearCache(true);
+  Services.prefs.setIntPref("network.trr.mode", 3);
+  Services.prefs.setCharPref(
+    "network.trr.uri",
+    `https://foo.example.com:${trrServer.port}/dns-query`
+  );
+
+  await trrServer.registerDoHAnswers("test.h3_example.com", "HTTPS", {
+    answers: [
+      {
+        name: "test.h3_example.com",
+        ttl: 55,
+        type: "HTTPS",
+        flush: false,
+        data: {
+          priority: 1,
+          name: "test.h3_example.com",
+          values: [
+            { key: "alpn", value: "h3-29" },
+            { key: "port", value: h3Port },
+          ],
+        },
+      },
+    ],
+  });
+
+  await trrServer.registerDoHAnswers("test.h3_example.com", "A", {
+    answers: [
+      {
+        name: "test.h3_example.com",
+        ttl: 55,
+        type: "A",
+        flush: false,
+        data: "127.0.0.1",
+      },
+    ],
+  });
+
+  await new TRRDNSListener("test.h3_example.com", {
+    type: Ci.nsIDNSService.RESOLVE_TYPE_HTTPSSVC,
+  });
+
+  let server = new NodeHTTPServer();
+  await server.start();
+  registerCleanupFunction(async () => {
+    await server.stop();
+  });
+
+  await server.registerPathHandler("/test", (req, resp) => {
+    if (req.method === "GET") {
+      resp.writeHead(200);
+      resp.end("got GET request");
+    } else if (req.method === "POST") {
+      let received = "";
+      req.on("data", function receivePostData(chunk) {
+        received += chunk.toString();
+      });
+      req.on("end", function finishPost() {
+        resp.writeHead(200);
+        resp.end(received);
+      });
+    }
+  });
+
+  // Tell the Http/3 server which port to forward requests.
+  let chan = makeChan(`https://test.h3_example.com/port?${server.port()}`);
+  await channelOpenPromise(chan, CL_ALLOW_UNKNOWN_CL);
+
+  // Test GET method.
+  chan = makeChan(`https://test.h3_example.com/test`);
+  let [req, buf] = await channelOpenPromise(chan, CL_ALLOW_UNKNOWN_CL);
+  Assert.equal(req.protocolVersion, "h3-29");
+  Assert.equal(buf, "got GET request");
+
+  var stream = Cc["@mozilla.org/io/string-input-stream;1"].createInstance(
+    Ci.nsIStringInputStream
+  );
+  stream.data = "b".repeat(500);
+
+  // Test POST method.
+  chan = makeChan(`https://test.h3_example.com/test`);
+  chan
+    .QueryInterface(Ci.nsIUploadChannel)
+    .setUploadStream(stream, "text/plain", stream.available());
+  chan.requestMethod = "POST";
+
+  [req, buf] = await channelOpenPromise(chan, CL_ALLOW_UNKNOWN_CL);
+  Assert.equal(req.protocolVersion, "h3-29");
+  Assert.equal(buf, stream.data);
+
+  await trrServer.stop();
+});