Adding upstream version 110.0.1.upstream/110.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 401 insertions, 0 deletions

diff --git a/netwerk/test/unit/test_trr_confirmation.js b/netwerk/test/unit/test_trr_confirmation.js
new file mode 100644
index 0000000000..f7e50418b9
--- /dev/null
+++ b/netwerk/test/unit/test_trr_confirmation.js
@@ -0,0 +1,401 @@
+/* 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 { TestUtils } = ChromeUtils.importESModule(
+  "resource://testing-common/TestUtils.sys.mjs"
+);
+
+async function waitForConfirmationState(state, msToWait = 0) {
+  await TestUtils.waitForCondition(
+    () => Services.dns.currentTrrConfirmationState == state,
+    `Timed out waiting for ${state}. Currently ${Services.dns.currentTrrConfirmationState}`,
+    1,
+    msToWait
+  );
+  equal(
+    Services.dns.currentTrrConfirmationState,
+    state,
+    "expected confirmation state"
+  );
+}
+
+const CONFIRM_OFF = 0;
+const CONFIRM_TRYING_OK = 1;
+const CONFIRM_OK = 2;
+const CONFIRM_FAILED = 3;
+const CONFIRM_TRYING_FAILED = 4;
+const CONFIRM_DISABLED = 5;
+
+function setup() {
+  trr_test_setup();
+  Services.prefs.setBoolPref("network.trr.skip-check-for-blocked-host", true);
+}
+
+setup();
+registerCleanupFunction(async () => {
+  trr_clear_prefs();
+  Services.prefs.clearUserPref("network.trr.skip-check-for-blocked-host");
+});
+
+let trrServer = null;
+add_task(async function start_trr_server() {
+  trrServer = new TRRServer();
+  registerCleanupFunction(async () => {
+    await trrServer.stop();
+  });
+  await trrServer.start();
+  dump(`port = ${trrServer.port}\n`);
+
+  await trrServer.registerDoHAnswers(`faily.com`, "NS", {
+    answers: [
+      {
+        name: "faily.com",
+        ttl: 55,
+        type: "NS",
+        flush: false,
+        data: "ns.faily.com",
+      },
+    ],
+  });
+
+  for (let i = 0; i < 15; i++) {
+    await trrServer.registerDoHAnswers(`failing-domain${i}.faily.com`, "A", {
+      error: 600,
+    });
+    await trrServer.registerDoHAnswers(`failing-domain${i}.faily.com`, "AAAA", {
+      error: 600,
+    });
+  }
+});
+
+function trigger15Failures() {
+  // We need to clear the cache in case a previous call to this method
+  // put the results in the DNS cache.
+  Services.dns.clearCache(true);
+
+  let dnsRequests = [];
+  // There are actually two TRR requests sent for A and AAAA records, so doing
+  // DNS query 10 times should be enough to trigger confirmation process.
+  for (let i = 0; i < 10; i++) {
+    dnsRequests.push(
+      new TRRDNSListener(`failing-domain${i}.faily.com`, {
+        expectedAnswer: "127.0.0.1",
+      })
+    );
+  }
+
+  return Promise.all(dnsRequests);
+}
+
+async function registerNS(delay) {
+  return trrServer.registerDoHAnswers("confirm.example.com", "NS", {
+    answers: [
+      {
+        name: "confirm.example.com",
+        ttl: 55,
+        type: "NS",
+        flush: false,
+        data: "test.com",
+      },
+    ],
+    delay,
+  });
+}
+
+add_task(async function confirm_off() {
+  Services.prefs.setCharPref(
+    "network.trr.confirmationNS",
+    "confirm.example.com"
+  );
+  Services.prefs.setIntPref(
+    "network.trr.mode",
+    Ci.nsIDNSService.MODE_NATIVEONLY
+  );
+  equal(Services.dns.currentTrrConfirmationState, CONFIRM_OFF);
+  Services.prefs.setIntPref("network.trr.mode", Ci.nsIDNSService.MODE_TRROFF);
+  equal(Services.dns.currentTrrConfirmationState, CONFIRM_OFF);
+});
+
+add_task(async function confirm_disabled() {
+  Services.prefs.setCharPref(
+    "network.trr.confirmationNS",
+    "confirm.example.com"
+  );
+  Services.prefs.setIntPref("network.trr.mode", Ci.nsIDNSService.MODE_TRRONLY);
+  equal(Services.dns.currentTrrConfirmationState, CONFIRM_DISABLED);
+  Services.prefs.setCharPref("network.trr.confirmationNS", "skip");
+  Services.prefs.setIntPref("network.trr.mode", Ci.nsIDNSService.MODE_TRRFIRST);
+  equal(Services.dns.currentTrrConfirmationState, CONFIRM_DISABLED);
+});
+
+add_task(async function confirm_ok() {
+  Services.dns.clearCache(true);
+  Services.prefs.setCharPref(
+    "network.trr.confirmationNS",
+    "confirm.example.com"
+  );
+  await registerNS(0);
+  await trrServer.registerDoHAnswers("example.com", "A", {
+    answers: [
+      {
+        name: "example.com",
+        ttl: 55,
+        type: "A",
+        flush: false,
+        data: "1.2.3.4",
+      },
+    ],
+  });
+  Services.prefs.setCharPref(
+    "network.trr.uri",
+    `https://foo.example.com:${trrServer.port}/dns-query`
+  );
+  Services.prefs.setIntPref("network.trr.mode", Ci.nsIDNSService.MODE_TRRFIRST);
+  equal(
+    Services.dns.currentTrrConfirmationState,
+    CONFIRM_TRYING_OK,
+    "Should be CONFIRM_TRYING_OK"
+  );
+  await new TRRDNSListener("example.com", { expectedAnswer: "1.2.3.4" });
+  equal(await trrServer.requestCount("example.com", "A"), 1);
+  await waitForConfirmationState(CONFIRM_OK, 1000);
+
+  await registerNS(500);
+  Services.prefs.setIntPref(
+    "network.trr.mode",
+    Ci.nsIDNSService.MODE_NATIVEONLY
+  );
+  Services.prefs.setIntPref("network.trr.mode", Ci.nsIDNSService.MODE_TRRFIRST);
+  equal(
+    Services.dns.currentTrrConfirmationState,
+    CONFIRM_TRYING_OK,
+    "Should be CONFIRM_TRYING_OK"
+  );
+  await new Promise(resolve => do_timeout(100, resolve));
+  equal(
+    Services.dns.currentTrrConfirmationState,
+    CONFIRM_TRYING_OK,
+    "Confirmation should still be pending"
+  );
+  await waitForConfirmationState(CONFIRM_OK, 1000);
+});
+
+add_task(async function confirm_timeout() {
+  Services.prefs.setIntPref(
+    "network.trr.mode",
+    Ci.nsIDNSService.MODE_NATIVEONLY
+  );
+  equal(Services.dns.currentTrrConfirmationState, CONFIRM_OFF);
+  await registerNS(7000);
+  Services.prefs.setIntPref("network.trr.mode", Ci.nsIDNSService.MODE_TRRFIRST);
+  equal(
+    Services.dns.currentTrrConfirmationState,
+    CONFIRM_TRYING_OK,
+    "Should be CONFIRM_TRYING_OK"
+  );
+  await waitForConfirmationState(CONFIRM_FAILED, 7500);
+  // After the confirmation fails, a timer will periodically trigger a retry
+  // causing the state to go into CONFIRM_TRYING_FAILED.
+  await waitForConfirmationState(CONFIRM_TRYING_FAILED, 500);
+});
+
+add_task(async function confirm_fail_fast() {
+  Services.prefs.setIntPref(
+    "network.trr.mode",
+    Ci.nsIDNSService.MODE_NATIVEONLY
+  );
+  equal(Services.dns.currentTrrConfirmationState, CONFIRM_OFF);
+  await trrServer.registerDoHAnswers("confirm.example.com", "NS", {
+    error: 404,
+  });
+  Services.prefs.setIntPref("network.trr.mode", Ci.nsIDNSService.MODE_TRRFIRST);
+  equal(
+    Services.dns.currentTrrConfirmationState,
+    CONFIRM_TRYING_OK,
+    "Should be CONFIRM_TRYING_OK"
+  );
+  await waitForConfirmationState(CONFIRM_FAILED, 100);
+});
+
+add_task(async function multiple_failures() {
+  Services.prefs.setIntPref(
+    "network.trr.mode",
+    Ci.nsIDNSService.MODE_NATIVEONLY
+  );
+  equal(Services.dns.currentTrrConfirmationState, CONFIRM_OFF);
+
+  await registerNS(100);
+  Services.prefs.setIntPref("network.trr.mode", Ci.nsIDNSService.MODE_TRRFIRST);
+  equal(
+    Services.dns.currentTrrConfirmationState,
+    CONFIRM_TRYING_OK,
+    "Should be CONFIRM_TRYING_OK"
+  );
+  await waitForConfirmationState(CONFIRM_OK, 1000);
+  await registerNS(4000);
+  let failures = trigger15Failures();
+  await waitForConfirmationState(CONFIRM_TRYING_OK, 3000);
+  await failures;
+  // Check that failures during confirmation are ignored.
+  await trigger15Failures();
+  equal(
+    Services.dns.currentTrrConfirmationState,
+    CONFIRM_TRYING_OK,
+    "Should be CONFIRM_TRYING_OK"
+  );
+  await waitForConfirmationState(CONFIRM_OK, 4500);
+});
+
+add_task(async function test_connectivity_change() {
+  await registerNS(100);
+  Services.prefs.setIntPref(
+    "network.trr.mode",
+    Ci.nsIDNSService.MODE_NATIVEONLY
+  );
+  let confirmationCount = await trrServer.requestCount(
+    "confirm.example.com",
+    "NS"
+  );
+  Services.prefs.setIntPref("network.trr.mode", Ci.nsIDNSService.MODE_TRRFIRST);
+  equal(
+    Services.dns.currentTrrConfirmationState,
+    CONFIRM_TRYING_OK,
+    "Should be CONFIRM_TRYING_OK"
+  );
+  await waitForConfirmationState(CONFIRM_OK, 1000);
+  equal(
+    await trrServer.requestCount("confirm.example.com", "NS"),
+    confirmationCount + 1
+  );
+  Services.obs.notifyObservers(
+    null,
+    "network:captive-portal-connectivity",
+    "clear"
+  );
+  // This means a CP check completed successfully. But no CP was previously
+  // detected, so this is mostly a no-op.
+  equal(Services.dns.currentTrrConfirmationState, CONFIRM_OK);
+
+  Services.obs.notifyObservers(
+    null,
+    "network:captive-portal-connectivity",
+    "captive"
+  );
+  // This basically a successful CP login event. Wasn't captive before.
+  // Still treating as a no-op.
+  equal(Services.dns.currentTrrConfirmationState, CONFIRM_OK);
+
+  // This makes the TRR service set mCaptiveIsPassed=false
+  Services.obs.notifyObservers(
+    null,
+    "captive-portal-login",
+    "{type: 'captive-portal-login', id: 0, url: 'http://localhost/'}"
+  );
+
+  await registerNS(500);
+  let failures = trigger15Failures();
+  // The failure should cause us to go into CONFIRM_TRYING_OK and do an NS req
+  await waitForConfirmationState(CONFIRM_TRYING_OK, 3000);
+  await failures;
+
+  // The notification sets mCaptiveIsPassed=true then triggers an entirely new
+  // confirmation.
+  Services.obs.notifyObservers(
+    null,
+    "network:captive-portal-connectivity",
+    "clear"
+  );
+  // The notification should cause us to send a new confirmation request
+  equal(
+    Services.dns.currentTrrConfirmationState,
+    CONFIRM_TRYING_OK,
+    "Should be CONFIRM_TRYING_OK"
+  );
+  await waitForConfirmationState(CONFIRM_OK, 1000);
+  // two extra confirmation events should have been received by the server
+  equal(
+    await trrServer.requestCount("confirm.example.com", "NS"),
+    confirmationCount + 3
+  );
+});
+
+add_task(async function test_network_change() {
+  let confirmationCount = await trrServer.requestCount(
+    "confirm.example.com",
+    "NS"
+  );
+  equal(Services.dns.currentTrrConfirmationState, CONFIRM_OK);
+
+  Services.obs.notifyObservers(null, "network:link-status-changed", "up");
+  equal(Services.dns.currentTrrConfirmationState, CONFIRM_OK);
+  equal(
+    await trrServer.requestCount("confirm.example.com", "NS"),
+    confirmationCount
+  );
+
+  let failures = trigger15Failures();
+  // The failure should cause us to go into CONFIRM_TRYING_OK and do an NS req
+  await waitForConfirmationState(CONFIRM_TRYING_OK, 3000);
+  await failures;
+  // The network up event should reset the confirmation to TRYING_OK and do
+  // another NS req
+  Services.obs.notifyObservers(null, "network:link-status-changed", "up");
+  equal(Services.dns.currentTrrConfirmationState, CONFIRM_TRYING_OK);
+  await waitForConfirmationState(CONFIRM_OK, 1000);
+  // two extra confirmation events should have been received by the server
+  equal(
+    await trrServer.requestCount("confirm.example.com", "NS"),
+    confirmationCount + 2
+  );
+});
+
+add_task(async function test_uri_pref_change() {
+  let confirmationCount = await trrServer.requestCount(
+    "confirm.example.com",
+    "NS"
+  );
+  equal(Services.dns.currentTrrConfirmationState, CONFIRM_OK);
+  Services.prefs.setCharPref(
+    "network.trr.uri",
+    `https://foo.example.com:${trrServer.port}/dns-query?changed`
+  );
+  equal(Services.dns.currentTrrConfirmationState, CONFIRM_TRYING_OK);
+  await waitForConfirmationState(CONFIRM_OK, 1000);
+  equal(
+    await trrServer.requestCount("confirm.example.com", "NS"),
+    confirmationCount + 1
+  );
+});
+
+add_task(async function test_autodetected_uri() {
+  const defaultPrefBranch = Services.prefs.getDefaultBranch("");
+  let defaultURI = defaultPrefBranch.getCharPref(
+    "network.trr.default_provider_uri"
+  );
+  defaultPrefBranch.setCharPref(
+    "network.trr.default_provider_uri",
+    `https://foo.example.com:${trrServer.port}/dns-query?changed`
+  );
+  // For setDetectedTrrURI to work we must pretend we are using the default.
+  Services.prefs.clearUserPref("network.trr.uri");
+  await waitForConfirmationState(CONFIRM_OK, 1000);
+  let confirmationCount = await trrServer.requestCount(
+    "confirm.example.com",
+    "NS"
+  );
+  Services.dns.setDetectedTrrURI(
+    `https://foo.example.com:${trrServer.port}/dns-query?changed2`
+  );
+  equal(Services.dns.currentTrrConfirmationState, CONFIRM_TRYING_OK);
+  await waitForConfirmationState(CONFIRM_OK, 1000);
+  equal(
+    await trrServer.requestCount("confirm.example.com", "NS"),
+    confirmationCount + 1
+  );
+
+  // reset the default URI
+  defaultPrefBranch.setCharPref("network.trr.default_provider_uri", defaultURI);
+});