Support Unstoppable Domains via DNS over HTTPS behind a feature flag

app/brave_generated_resources.grd

@@ -694,6 +694,9 @@ By installing this extension, you are agreeing to the Google Widevine Terms of U
       <message name="IDS_SETTINGS_GOOGLE_LOGIN_FOR_EXTENSIONS" desc="Label for a switch control which allows Google login for extension">
         Allow Google login for extensions
       </message>
+      <message name="IDS_SETTINGS_RESOLVE_UNSTOPPABLE_DOMAINS_DESC" desc="The description for how to handle Unstoppable Domains">
+        Method to resolve Unstoppable Domains
+      </message>
       <message name="IDS_SETTINGS_RESOLVE_IPFS_URLS_DESC" desc="The description for how to handle IPFS URIs">
         Method to resolve IPFS resources
       </message>

browser/BUILD.gn

@@ -16,6 +16,7 @@ import("//brave/components/ipfs/buildflags/buildflags.gni")
 import("//brave/components/sidebar/buildflags/buildflags.gni")
 import("//brave/components/speedreader/buildflags.gni")
 import("//brave/components/tor/buildflags/buildflags.gni")
+import("//brave/components/unstoppable_domains/buildflags/buildflags.gni")
 import("//build/buildflag_header.gni")
 import("//build/config/features.gni")
 import("//chrome/common/features.gni")
@@ -154,6 +155,7 @@ source_set("browser_process") {
     "//brave/components/sidebar/buildflags",
     "//brave/components/speedreader:buildflags",
     "//brave/components/tor/buildflags",
+    "//brave/components/unstoppable_domains/buildflags",
     "//brave/components/weekly_storage",
     "//brave/services/network/public/cpp",
     "//brave/ui/brave_ads",
@@ -289,6 +291,10 @@ source_set("browser_process") {
     ]
   }
 
+  if (unstoppable_domains_enabled) {
+    deps += [ "//brave/browser/unstoppable_domains" ]
+  }
+
   if (ipfs_enabled) {
     sources += [
       "ipfs/content_browser_client_helper.cc",

browser/brave_content_browser_client.cc

@@ -35,6 +35,7 @@
 #include "brave/components/ipfs/buildflags/buildflags.h"
 #include "brave/components/speedreader/buildflags.h"
 #include "brave/components/tor/buildflags/buildflags.h"
+#include "brave/components/unstoppable_domains/buildflags/buildflags.h"
 #include "brave/grit/brave_generated_resources.h"
 #include "chrome/browser/chrome_content_browser_client.h"
 #include "chrome/browser/content_settings/host_content_settings_map_factory.h"
@@ -88,6 +89,10 @@ using extensions::ChromeContentBrowserClientExtensionsPart;
 #include "brave/components/ipfs/ipfs_navigation_throttle.h"
 #endif
 
+#if BUILDFLAG(UNSTOPPABLE_DOMAINS_ENABLED)
+#include "brave/components/unstoppable_domains/unstoppable_domains_navigation_throttle.h"
+#endif
+
 #if BUILDFLAG(BRAVE_REWARDS_ENABLED)
 #include "brave/components/brave_rewards/browser/rewards_protocol_handler.h"
 #endif
@@ -585,7 +590,8 @@ BraveContentBrowserClient::CreateThrottlesForNavigation(
       std::make_unique<extensions::BraveWebTorrentNavigationThrottle>(handle));
 #endif
 
-#if BUILDFLAG(ENABLE_TOR) ||BUILDFLAG(IPFS_ENABLED)
+#if BUILDFLAG(ENABLE_TOR) || BUILDFLAG(IPFS_ENABLED) || \
+    BUILDFLAG(UNSTOPPABLE_DOMAINS_ENABLED)
   content::BrowserContext* context =
       handle->GetWebContents()->GetBrowserContext();
 #endif
@@ -618,5 +624,15 @@ BraveContentBrowserClient::CreateThrottlesForNavigation(
     throttles.push_back(std::move(ipfs_navigation_throttle));
 #endif
 
+#if BUILDFLAG(UNSTOPPABLE_DOMAINS_ENABLED)
+  std::unique_ptr<content::NavigationThrottle>
+      unstoppable_domains_navigation_throttle = unstoppable_domains::
+          UnstoppableDomainsNavigationThrottle::MaybeCreateThrottleFor(
+              handle, g_brave_browser_process->local_state(),
+              g_brave_browser_process->GetApplicationLocale());
+  if (unstoppable_domains_navigation_throttle)
+    throttles.push_back(std::move(unstoppable_domains_navigation_throttle));
+#endif
+
   return throttles;
 }

browser/brave_local_state_prefs.cc

@@ -18,6 +18,7 @@
 #include "brave/components/p3a/brave_p3a_service.h"
 #include "brave/components/p3a/buildflags.h"
 #include "brave/components/tor/buildflags/buildflags.h"
+#include "brave/components/unstoppable_domains/buildflags/buildflags.h"
 #include "chrome/common/pref_names.h"
 #include "components/metrics/metrics_pref_names.h"
 #include "components/prefs/pref_registry_simple.h"
@@ -42,6 +43,10 @@
 #include "brave/browser/widevine/widevine_utils.h"
 #endif
 
+#if BUILDFLAG(UNSTOPPABLE_DOMAINS_ENABLED)
+#include "brave/components/unstoppable_domains/unstoppable_domains_service.h"
+#endif
+
 namespace brave {
 
 void RegisterLocalStatePrefsForMigration(PrefRegistrySimple* registry) {
@@ -95,6 +100,11 @@ void RegisterLocalStatePrefs(PrefRegistrySimple* registry) {
   RegisterWidevineLocalstatePrefs(registry);
 #endif
 
+#if BUILDFLAG(UNSTOPPABLE_DOMAINS_ENABLED)
+  unstoppable_domains::UnstoppableDomainsService::RegisterLocalStatePrefs(
+      registry);
+#endif
+
   RegisterLocalStatePrefsForMigration(registry);
 }
 

browser/extensions/BUILD.gn

@@ -10,6 +10,7 @@ import("//brave/components/gemini/browser/buildflags/buildflags.gni")
 import("//brave/components/ipfs/buildflags/buildflags.gni")
 import("//brave/components/sidebar/buildflags/buildflags.gni")
 import("//brave/components/tor/buildflags/buildflags.gni")
+import("//brave/components/unstoppable_domains/buildflags/buildflags.gni")
 import("//build/config/features.gni")
 import("//components/gcm_driver/config.gni")
 
@@ -67,6 +68,7 @@ source_set("extensions") {
     "//brave/components/ipfs/buildflags",
     "//brave/components/sidebar/buildflags",
     "//brave/components/tor/buildflags",
+    "//brave/components/unstoppable_domains/buildflags",
     "//chrome/browser/extensions",
     "//chrome/common",
     "//components/gcm_driver:gcm_buildflags",
@@ -111,6 +113,10 @@ source_set("extensions") {
     deps += [ "//brave/components/ipfs" ]
   }
 
+  if (unstoppable_domains_enabled) {
+    deps += [ "//brave/components/unstoppable_domains" ]
+  }
+
   if (brave_rewards_enabled) {
     sources += [
       "api/brave_rewards_api.cc",

browser/extensions/api/settings_private/brave_prefs_util.cc

@@ -14,6 +14,7 @@
 #include "brave/components/ntp_background_images/common/pref_names.h"
 #include "brave/components/sidebar/buildflags/buildflags.h"
 #include "brave/components/tor/buildflags/buildflags.h"
+#include "brave/components/unstoppable_domains/buildflags/buildflags.h"
 #include "chrome/browser/extensions/api/settings_private/prefs_util.h"
 #include "chrome/common/extensions/api/settings_private.h"
 #include "chrome/common/pref_names.h"
@@ -45,6 +46,10 @@
 #include "brave/components/tor/pref_names.h"
 #endif
 
+#if BUILDFLAG(UNSTOPPABLE_DOMAINS_ENABLED)
+#include "brave/components/unstoppable_domains/pref_names.h"
+#endif
+
 namespace extensions {
 
 using ntp_background_images::prefs::kNewTabPageShowBackgroundImage;
@@ -207,6 +212,12 @@ const PrefsUtil::TypedPrefMap& BravePrefsUtil::GetAllowlistedKeys() {
   (*s_brave_allowlist)[prefs::kWebRTCIPHandlingPolicy] =
       settings_api::PrefType::PREF_TYPE_STRING;
 
+#if BUILDFLAG(UNSTOPPABLE_DOMAINS_ENABLED)
+  // Unstoppable Domains pref
+  (*s_brave_allowlist)[unstoppable_domains::kResolveMethod] =
+      settings_api::PrefType::PREF_TYPE_NUMBER;
+#endif
+
   return *s_brave_allowlist;
 }
 

browser/profiles/BUILD.gn

@@ -33,11 +33,11 @@ source_set("profiles") {
     "//brave/components/brave_rewards/browser",
     "//brave/components/brave_sync:prefs",
     "//brave/components/brave_wallet/buildflags",
-    "//brave/components/brave_wallet/buildflags",
     "//brave/components/content_settings/core/browser",
     "//brave/components/ipfs/buildflags",
     "//brave/components/ntp_background_images/common",
     "//brave/components/tor",
+    "//brave/components/unstoppable_domains/buildflags",
     "//brave/content:browser",
     "//chrome/common",
     "//components/gcm_driver:gcm_buildflags",

browser/profiles/brave_profile_manager.cc

@@ -19,6 +19,7 @@
 #include "brave/components/content_settings/core/browser/brave_content_settings_pref_provider.h"
 #include "brave/components/ipfs/buildflags/buildflags.h"
 #include "brave/components/tor/tor_constants.h"
+#include "brave/components/unstoppable_domains/buildflags/buildflags.h"
 #include "brave/content/browser/webui/brave_shared_resources_data_source.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
@@ -50,6 +51,10 @@
 #include "brave/browser/ipfs/ipfs_service_factory.h"
 #endif
 
+#if BUILDFLAG(UNSTOPPABLE_DOMAINS_ENABLED)
+#include "brave/browser/unstoppable_domains/unstoppable_domains_service_factory.h"
+#endif
+
 using content::BrowserThread;
 
 BraveProfileManager::BraveProfileManager(const base::FilePath& user_data_dir)
@@ -108,6 +113,9 @@ void BraveProfileManager::DoFinalInitForServices(Profile* profile,
 #if BUILDFLAG(IPFS_ENABLED)
   ipfs::IpfsServiceFactory::GetForContext(profile);
 #endif
+#if BUILDFLAG(UNSTOPPABLE_DOMAINS_ENABLED)
+  unstoppable_domains::UnstoppableDomainsServiceFactory::GetForContext(profile);
+#endif
 #if !BUILDFLAG(USE_GCM_FROM_PLATFORM)
   gcm::BraveGCMChannelStatus* status =
       gcm::BraveGCMChannelStatus::GetForProfile(profile);

browser/resources/settings/brave_default_extensions_page/brave_default_extensions_browser_proxy.js

@@ -67,6 +67,10 @@ cr.define('settings', function () {
     wasSignInEnabledAtStartup () {
       return loadTimeData.getBoolean('signInAllowedOnNextStartupInitialValue')
     }
+
+    isUnstoppableDomainsEnabled () {
+      return cr.sendWithPromise('isUnstoppableDomainsEnabled')
+    }
   }
 
   cr.addSingletonGetter(BraveDefaultExtensionsBrowserProxyImpl)

browser/resources/settings/brave_default_extensions_page/brave_default_extensions_page.html

@@ -85,6 +85,14 @@
         sub-label="$i18n{hangoutsEnabledDesc}"
         on-settings-boolean-control-change="onHangoutsEnabledChange_">
     </settings-toggle-button>
+    <template is="dom-if" if="{{ unstoppableDomainsEnabled_ }}">
+      <div class="settings-box">
+        <div class="start">$i18n{resolveUnstoppableDomainsDesc}</div>
+        <settings-dropdown-menu id="unstoppableDomainsResolveMethodType"
+                                pref="{{prefs.brave.unstoppable_domains.resolve_method}}"
+                                menu-options="[[unstoppableDomainsResolveMethod_]]">
+      </div>
+    </template>
     <settings-toggle-button id="mediaRouterEnabled"
         class="cr-row"
         pref="{{prefs.brave.enable_media_router}}"

browser/resources/settings/brave_default_extensions_page/brave_default_extensions_page.js

@@ -20,7 +20,19 @@ Polymer({
     showRestartToast_: Boolean,
     torEnabled_: Boolean,
     widevineEnabled_: Boolean,
-    disableTorOption_: Boolean
+    disableTorOption_: Boolean,
+    unstoppableDomainsEnabled_: Boolean,
+    unstoppableDomainsResolveMethod_: {
+      readOnly: true,
+      type: Array,
+      value() {
+        return [
+          {value:0, name: "Ask"},
+          {value:1, name: "Disabled"},
+          {value:2, name: "Public DNS over HTTPS server"},
+        ];
+      },
+    },
   },
 
   /** @private {?settings.BraveDefaultExtensionsBrowserProxy} */
@@ -63,6 +75,9 @@ Polymer({
     this.browserProxy_.isWidevineEnabled().then(enabled => {
       this.widevineEnabled_ = enabled
     })
+    this.browserProxy_.isUnstoppableDomainsEnabled().then(enabled => {
+      this.unstoppableDomainsEnabled_ = enabled
+    });
   },
 
   onWebTorrentEnabledChange_: function() {

browser/ui/BUILD.gn

@@ -7,6 +7,7 @@ import("//brave/components/ipfs/buildflags/buildflags.gni")
 import("//brave/components/sidebar/buildflags/buildflags.gni")
 import("//brave/components/speedreader/buildflags.gni")
 import("//brave/components/tor/buildflags/buildflags.gni")
+import("//brave/components/unstoppable_domains/buildflags/buildflags.gni")
 import("//build/config/features.gni")
 import("//chrome/common/features.gni")
 import("//components/gcm_driver/config.gni")
@@ -239,6 +240,7 @@ source_set("ui") {
     "//brave/components/p3a:buildflags",
     "//brave/components/sidebar/buildflags",
     "//brave/components/tor:pref_names",
+    "//brave/components/unstoppable_domains/buildflags",
     "//brave/components/vector_icons",
     "//brave/components/webcompat_reporter/browser",
     "//brave/components/webcompat_reporter/ui:generated_resources",
@@ -374,6 +376,10 @@ source_set("ui") {
       }
     }
 
+    if (unstoppable_domains_enabled) {
+      deps += [ "//brave/components/unstoppable_domains" ]
+    }
+
     if (brave_rewards_enabled) {
       sources += [
         "views/brave_actions/brave_rewards_action_stub_view.cc",

browser/ui/webui/settings/brave_default_extensions_handler.cc

@@ -13,6 +13,7 @@
 #include "brave/browser/extensions/brave_component_loader.h"
 #include "brave/common/pref_names.h"
 #include "brave/components/brave_webtorrent/grit/brave_webtorrent_resources.h"
+#include "brave/components/unstoppable_domains/buildflags/buildflags.h"
 #include "chrome/browser/about_flags.h"
 #include "chrome/browser/extensions/component_loader.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ -47,6 +48,10 @@
 #include "brave/browser/widevine/widevine_utils.h"
 #endif
 
+#if BUILDFLAG(UNSTOPPABLE_DOMAINS_ENABLED)
+#include "brave/components/unstoppable_domains/utils.h"
+#endif
+
 BraveDefaultExtensionsHandler::BraveDefaultExtensionsHandler()
     : weak_ptr_factory_(this) {
 #if BUILDFLAG(ENABLE_WIDEVINE)
@@ -108,6 +113,11 @@ void BraveDefaultExtensionsHandler::RegisterMessages() {
       "isWidevineEnabled",
       base::BindRepeating(&BraveDefaultExtensionsHandler::IsWidevineEnabled,
                           base::Unretained(this)));
+  web_ui()->RegisterMessageCallback(
+      "isUnstoppableDomainsEnabled",
+      base::BindRepeating(
+          &BraveDefaultExtensionsHandler::IsUnstoppableDomainsEnabled,
+          base::Unretained(this)));
 
   // Can't call this in ctor because it needs to access web_ui().
   InitializePrefCallbacks();
@@ -394,3 +404,16 @@ void BraveDefaultExtensionsHandler::SetBraveWalletEnabled(
   }
 }
 #endif
+
+void BraveDefaultExtensionsHandler::IsUnstoppableDomainsEnabled(
+    const base::ListValue* args) {
+  CHECK_EQ(args->GetSize(), 1U);
+  AllowJavascript();
+  ResolveJavascriptCallback(
+      args->GetList()[0],
+#if BUILDFLAG(UNSTOPPABLE_DOMAINS_ENABLED)
+      base::Value(unstoppable_domains::IsUnstoppableDomainsEnabled()));
+#else
+      base::Value(false));
+#endif
+}

browser/ui/webui/settings/brave_default_extensions_handler.h

@@ -44,6 +44,7 @@ class BraveDefaultExtensionsHandler : public settings::SettingsPageUIHandler {
   void SetWidevineEnabled(const base::ListValue* args);
   void IsWidevineEnabled(const base::ListValue* args);
   void OnWidevineEnabledChanged();
+  void IsUnstoppableDomainsEnabled(const base::ListValue* args);
 
   void InitializePrefCallbacks();
 

browser/unstoppable_domains/BUILD.gn

@@ -0,0 +1,28 @@
+# Copyright (c) 2021 The Brave Authors. All rights reserved.
+# 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/. */
+
+source_set("unstoppable_domains") {
+  # See https://github.com/brave/brave-browser/issues/14441
+  check_includes = false
+
+  sources = [
+    "unstoppable_domains_service_delegate_impl.cc",
+    "unstoppable_domains_service_delegate_impl.h",
+    "unstoppable_domains_service_factory.cc",
+    "unstoppable_domains_service_factory.h",
+  ]
+
+  deps = [
+    "//brave/components/unstoppable_domains",
+    "//components/keyed_service/content",
+  ]
+
+  # Below deps are not directly used by unstoppable_domains target.
+  # This is added due to our include of
+  # `chrome/browser/net/system_network_context_manager.h` without adding
+  # //chrome/browser into deps to avoid circulate dependency. Without this,
+  # we could encounter error due to some files included are not generated yet.
+  deps += [ "//services/network/public/mojom" ]
+}