From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 19:32:43 +0200
Subject: Adding upstream version 1:115.7.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../doh/test/browser/browser_providerSteering.js   | 107 +++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 browser/components/doh/test/browser/browser_providerSteering.js

(limited to 'browser/components/doh/test/browser/browser_providerSteering.js')

diff --git a/browser/components/doh/test/browser/browser_providerSteering.js b/browser/components/doh/test/browser/browser_providerSteering.js
new file mode 100644
index 0000000000..069a823a07
--- /dev/null
+++ b/browser/components/doh/test/browser/browser_providerSteering.js
@@ -0,0 +1,107 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+"use strict";
+
+const TEST_DOMAIN = "doh.test.";
+const AUTO_TRR_URI = "https://example.com/dns-query";
+
+add_task(setup);
+
+add_task(async function testProviderSteering() {
+  setPassingHeuristics();
+  let prefPromise = TestUtils.waitForPrefChange(prefs.BREADCRUMB_PREF);
+  Preferences.set(prefs.ENABLED_PREF, true);
+  await prefPromise;
+  is(Preferences.get(prefs.BREADCRUMB_PREF), true, "Breadcrumb saved.");
+  await checkHeuristicsTelemetry("enable_doh", "startup");
+
+  let providerTestcases = [
+    {
+      id: "provider1",
+      canonicalName: "foo.provider1.com",
+      uri: "https://foo.provider1.com/query",
+    },
+    {
+      id: "provider2",
+      canonicalName: "bar.provider2.com",
+      uri: "https://bar.provider2.com/query",
+    },
+  ];
+  let configFlushPromise = DoHTestUtils.waitForConfigFlush();
+  Preferences.set(
+    prefs.PROVIDER_STEERING_LIST_PREF,
+    JSON.stringify(providerTestcases)
+  );
+  await configFlushPromise;
+  await checkHeuristicsTelemetry("enable_doh", "startup");
+
+  let testNetChangeResult = async (
+    expectedURI,
+    heuristicsDecision,
+    providerName
+  ) => {
+    let trrURIChanged = TestUtils.topicObserved(
+      "network:trr-uri-changed",
+      () => {
+        // We need this check because this topic is observed once immediately
+        // after the network change when the URI is reset, and then when the
+        // provider steering heuristic runs and sets it to our uri.
+        return Services.dns.currentTrrURI == expectedURI;
+      }
+    );
+    simulateNetworkChange();
+    await trrURIChanged;
+    is(
+      Services.dns.currentTrrURI,
+      expectedURI,
+      `TRR URI set to ${expectedURI}`
+    );
+    await checkHeuristicsTelemetry(
+      heuristicsDecision,
+      "netchange",
+      providerName
+    );
+  };
+
+  for (let { id, canonicalName, uri } of providerTestcases) {
+    gDNSOverride.addIPOverride(TEST_DOMAIN, "9.9.9.9");
+    gDNSOverride.setCnameOverride(TEST_DOMAIN, canonicalName);
+    await testNetChangeResult(uri, "enable_doh", id);
+    gDNSOverride.clearHostOverride(TEST_DOMAIN);
+  }
+
+  await testNetChangeResult(AUTO_TRR_URI, "enable_doh");
+
+  // Just use the first provider for the remaining checks.
+  let provider = providerTestcases[0];
+  gDNSOverride.addIPOverride(TEST_DOMAIN, "9.9.9.9");
+  gDNSOverride.setCnameOverride(TEST_DOMAIN, provider.canonicalName);
+  await testNetChangeResult(provider.uri, "enable_doh", provider.id);
+
+  // Set enterprise roots enabled and ensure provider steering is disabled.
+  Preferences.set("security.enterprise_roots.enabled", true);
+  await testNetChangeResult(AUTO_TRR_URI, "disable_doh");
+  Preferences.reset("security.enterprise_roots.enabled");
+
+  // Check that provider steering is enabled again after we reset above.
+  await testNetChangeResult(provider.uri, "enable_doh", provider.id);
+
+  // Trigger safesearch heuristics and ensure provider steering is disabled.
+  let googleDomain = "google.com.";
+  let googleIP = "1.1.1.1";
+  let googleSafeSearchIP = "1.1.1.2";
+  gDNSOverride.clearHostOverride(googleDomain);
+  gDNSOverride.addIPOverride(googleDomain, googleSafeSearchIP);
+  await testNetChangeResult(AUTO_TRR_URI, "disable_doh");
+  gDNSOverride.clearHostOverride(googleDomain);
+  gDNSOverride.addIPOverride(googleDomain, googleIP);
+
+  // Check that provider steering is enabled again after we reset above.
+  await testNetChangeResult(provider.uri, "enable_doh", provider.id);
+
+  // Finally, provider steering should be disabled once we clear the override.
+  gDNSOverride.clearHostOverride(TEST_DOMAIN);
+  await testNetChangeResult(AUTO_TRR_URI, "enable_doh");
+});
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