1 files changed, 136 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_http3_alt_svc.js b/netwerk/test/unit/test_http3_alt_svc.js
new file mode 100644
index 0000000000..201101eb19
--- /dev/null
+++ b/netwerk/test/unit/test_http3_alt_svc.js
@@ -0,0 +1,136 @@
+"use strict";
+
+let httpsOrigin;
+let h3AltSvc;
+let h3Route;
+let prefs;
+
+let tests = [test_https_alt_svc, testsDone];
+
+let current_test = 0;
+
+function run_next_test() {
+  if (current_test < tests.length) {
+    dump("starting test number " + current_test + "\n");
+    tests[current_test]();
+    current_test++;
+  }
+}
+
+function run_test() {
+  let h2Port = Services.env.get("MOZHTTP2_PORT");
+  Assert.notEqual(h2Port, null);
+  Assert.notEqual(h2Port, "");
+  let h3Port = Services.env.get("MOZHTTP3_PORT");
+  Assert.notEqual(h3Port, null);
+  Assert.notEqual(h3Port, "");
+  h3AltSvc = ":" + h3Port;
+
+  h3Route = "foo.example.com:" + h3Port;
+  do_get_profile();
+  prefs = Services.prefs;
+
+  prefs.setBoolPref("network.http.http3.enable", true);
+  prefs.setCharPref("network.dns.localDomains", "foo.example.com");
+  // We always resolve elements of localDomains as it's hardcoded without the
+  // following pref:
+  prefs.setBoolPref("network.proxy.allow_hijacking_localhost", true);
+
+  // The certificate for the http3server server is for foo.example.com and
+  // is signed by http2-ca.pem so add that cert to the trust list as a
+  // signing cert.
+  let certdb = Cc["@mozilla.org/security/x509certdb;1"].getService(
+    Ci.nsIX509CertDB
+  );
+  addCertFromFile(certdb, "http2-ca.pem", "CTu,u,u");
+  httpsOrigin = "https://foo.example.com:" + h2Port + "/";
+
+  run_next_test();
+}
+
+function createPrincipal(url) {
+  var ssm = Services.scriptSecurityManager;
+  try {
+    return ssm.createContentPrincipal(Services.io.newURI(url), {});
+  } catch (e) {
+    return null;
+  }
+}
+
+function makeChan(uri) {
+  let chan = NetUtil.newChannel({
+    uri,
+    loadingPrincipal: createPrincipal(uri),
+    securityFlags: Ci.nsILoadInfo.SEC_ALLOW_CROSS_ORIGIN_INHERITS_SEC_CONTEXT,
+    contentPolicyType: Ci.nsIContentPolicy.TYPE_DOCUMENT,
+  }).QueryInterface(Ci.nsIHttpChannel);
+  chan.loadFlags = Ci.nsIChannel.LOAD_INITIAL_DOCUMENT_URI;
+  return chan;
+}
+
+let WaitForHttp3Listener = function () {};
+
+WaitForHttp3Listener.prototype = {
+  onDataAvailableFired: false,
+  expectedRoute: "",
+
+  onStartRequest: function testOnStartRequest(request) {
+    Assert.ok(request instanceof Ci.nsIHttpChannel);
+    Assert.equal(request.responseStatus, 200);
+  },
+
+  onDataAvailable: function testOnDataAvailable(request, stream, off, cnt) {
+    this.onDataAvailableFired = true;
+    read_stream(stream, cnt);
+  },
+
+  onStopRequest: function testOnStopRequest(request, status) {
+    let routed = "NA";
+    try {
+      routed = request.getRequestHeader("Alt-Used");
+    } catch (e) {}
+    dump("routed is " + routed + "\n");
+
+    if (routed == this.expectedRoute) {
+      let httpVersion = "";
+      try {
+        httpVersion = request.protocolVersion;
+      } catch (e) {}
+      Assert.equal(httpVersion, "h3-29");
+      run_next_test();
+    } else {
+      dump("poll later for alt svc mapping\n");
+      do_test_pending();
+      do_timeout(500, () => {
+        doTest(this.uri, this.expectedRoute, this.h3AltSvc);
+      });
+    }
+
+    do_test_finished();
+  },
+};
+
+function doTest(uri, expectedRoute, altSvc) {
+  let chan = makeChan(uri);
+  let listener = new WaitForHttp3Listener();
+  listener.uri = uri;
+  listener.expectedRoute = expectedRoute;
+  listener.h3AltSvc = altSvc;
+  chan.setRequestHeader("x-altsvc", altSvc, false);
+  chan.asyncOpen(listener);
+}
+
+// Test Alt-Svc for http3.
+// H2 server returns alt-svc=h2=foo2.example.com:8000,h3-29=:h3port,h3-30=foo2.example.com:8443
+function test_https_alt_svc() {
+  dump("test_https_alt_svc()\n");
+  do_test_pending();
+  doTest(httpsOrigin + "http3-test2", h3Route, h3AltSvc);
+}
+
+function testsDone() {
+  prefs.clearUserPref("network.http.http3.enable");
+  prefs.clearUserPref("network.dns.localDomains");
+  prefs.clearUserPref("network.proxy.allow_hijacking_localhost");
+  dump("testDone\n");
+}