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[tor-commits] [tor-browser] 59/76: Bug 1757760 retain correct search default setting after addon update r=rpl a=RyanVM



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richard pushed a commit to branch tor-browser-91.8.0esr-11.0-1
in repository tor-browser.

commit 423c2d6b03593c30969141143140433dc59c0a77
Author: Shane Caraveo <scaraveo@xxxxxxxxxxx>
AuthorDate: Fri Mar 18 19:43:43 2022 +0000

    Bug 1757760 retain correct search default setting after addon update r=rpl a=RyanVM
    
    Differential Revision: https://phabricator.services.mozilla.com/D141294
---
 .../parent/ext-chrome-settings-overrides.js        |  11 +-
 .../test_ext_chrome_settings_overrides_update.js   | 185 ++++++++++++++++++++-
 2 files changed, 190 insertions(+), 6 deletions(-)

diff --git a/browser/components/extensions/parent/ext-chrome-settings-overrides.js b/browser/components/extensions/parent/ext-chrome-settings-overrides.js
index 259e443c86a6f..ef2b5f040cc03 100644
--- a/browser/components/extensions/parent/ext-chrome-settings-overrides.js
+++ b/browser/components/extensions/parent/ext-chrome-settings-overrides.js
@@ -339,7 +339,9 @@ this.chrome_settings_overrides = class extends ExtensionAPI {
           extension.startupReason
         );
     }
-    if (disable && item?.enabled) {
+    // Ensure the item is disabled.  If addSetting was called above,
+    // Item may be null, and enabled may be undefined.
+    if (disable && item?.enabled !== false) {
       item = await ExtensionSettingsStore.disable(
         extension.id,
         DEFAULT_SEARCH_STORE_TYPE,
@@ -367,7 +369,10 @@ this.chrome_settings_overrides = class extends ExtensionAPI {
         // This is a hack because we don't have the browser of
         // the actual install. This means the popup might show
         // in a different window. Will be addressed in a followup bug.
-        browser: windowTracker.topWindow.gBrowser.selectedBrowser,
+        // As well, we still notify if no topWindow exists to support
+        // testing from xpcshell.
+        browser: windowTracker.topWindow?.gBrowser.selectedBrowser,
+        id: extension.id,
         name: extension.name,
         icon: extension.iconURL,
         currentEngine: defaultEngine.name,
@@ -476,7 +481,7 @@ this.chrome_settings_overrides = class extends ExtensionAPI {
           Services.search.defaultEngine = Services.search.getEngineByName(
             engineName
           );
-        } else {
+        } else if (extension.startupReason == "ADDON_ENABLE") {
           // This extension has precedence, but is not in control.  Ask the user.
           await this.promptDefaultSearch(engineName);
         }
diff --git a/browser/components/extensions/test/xpcshell/test_ext_chrome_settings_overrides_update.js b/browser/components/extensions/test/xpcshell/test_ext_chrome_settings_overrides_update.js
index 56af1f2642593..bbbcf0ea098e1 100644
--- a/browser/components/extensions/test/xpcshell/test_ext_chrome_settings_overrides_update.js
+++ b/browser/components/extensions/test/xpcshell/test_ext_chrome_settings_overrides_update.js
@@ -6,7 +6,9 @@ const { AddonTestUtils } = ChromeUtils.import(
   "resource://testing-common/AddonTestUtils.jsm"
 );
 XPCOMUtils.defineLazyModuleGetters(this, {
+  AddonManager: "resource://gre/modules/AddonManager.jsm",
   HomePage: "resource:///modules/HomePage.jsm",
+  PromiseUtils: "resource://gre/modules/PromiseUtils.jsm",
   RemoteSettings: "resource://services-settings/remote-settings.js",
   sinon: "resource://testing-common/Sinon.jsm",
 });
@@ -24,6 +26,29 @@ AddonTestUtils.createAppInfo(
 // search service needs it.
 Services.prefs.clearUserPref("services.settings.default_bucket");
 
+// Similar to TestUtils.topicObserved, but returns a deferred promise that
+// can be resolved
+function topicObservable(topic, checkFn) {
+  let deferred = PromiseUtils.defer();
+  function observer(subject, topic, data) {
+    try {
+      if (checkFn && !checkFn(subject, data)) {
+        return;
+      }
+      deferred.resolve([subject, data]);
+    } catch (ex) {
+      deferred.reject(ex);
+    }
+  }
+  deferred.promise.finally(() => {
+    Services.obs.removeObserver(observer, topic);
+    checkFn = null;
+  });
+  Services.obs.addObserver(observer, topic);
+
+  return deferred;
+}
+
 async function setupRemoteSettings() {
   const settings = await RemoteSettings("hijack-blocklists");
   sinon.stub(settings, "get").returns([
@@ -50,7 +75,7 @@ add_task(async function test_overrides_update_removal() {
   /* This tests the scenario where the manifest key for homepage and/or
    * search_provider are removed between updates and therefore the
    * settings are expected to revert.  It also tests that an extension
-   * can make a builtin extension the default extension without user
+   * can make a builtin extension the default search without user
    * interaction.  */
 
   const EXTENSION_ID = "test_overrides_update@xxxxxxxxxxxxxxxxx";
@@ -82,7 +107,20 @@ add_task(async function test_overrides_update_removal() {
   ok(defaultEngineName !== "DuckDuckGo", "Default engine is not DuckDuckGo.");
 
   let prefPromise = promisePrefChanged(HOMEPAGE_URI);
-  await extension.startup();
+
+  // When an addon is installed that overrides an app-provided engine (builtin)
+  // that is the default, we do not prompt for default.
+  let deferredPrompt = topicObservable(
+    "webextension-defaultsearch-prompt",
+    (subject, message) => {
+      if (subject.wrappedJSObject.id == extension.id) {
+        ok(false, "default override should not prompt");
+      }
+    }
+  );
+
+  await Promise.race([extension.startup(), deferredPrompt.promise]);
+  deferredPrompt.resolve();
   await AddonTestUtils.waitForSearchProviderStartup(extension);
   await prefPromise;
 
@@ -197,7 +235,21 @@ add_task(async function test_overrides_update_adding() {
   };
 
   let prefPromise = promisePrefChanged(HOMEPAGE_URI);
-  await extension.upgrade(extensionInfo);
+
+  let deferredUpgradePrompt = topicObservable(
+    "webextension-defaultsearch-prompt",
+    (subject, message) => {
+      if (subject.wrappedJSObject.id == extension.id) {
+        ok(false, "should not prompt on update");
+      }
+    }
+  );
+
+  await Promise.race([
+    extension.upgrade(extensionInfo),
+    deferredUpgradePrompt.promise,
+  ]);
+  deferredUpgradePrompt.resolve();
   await AddonTestUtils.waitForSearchProviderStartup(extension);
   await prefPromise;
 
@@ -287,3 +339,130 @@ add_task(async function test_overrides_update_homepage_change() {
 
   await extension.unload();
 });
+
+add_task(async function test_default_search_prompts() {
+  /* This tests the scenario where an addon did not gain
+   * default search during install, and later upgrades.
+   * The addon should not gain default in updates.
+   * If the addon is disabled, it should prompt again when
+   * enabled.
+   */
+
+  const EXTENSION_ID = "test_default_update@xxxxxxxxxxxxxxxxx";
+
+  let extensionInfo = {
+    useAddonManager: "permanent",
+    manifest: {
+      version: "1.0",
+      applications: {
+        gecko: {
+          id: EXTENSION_ID,
+        },
+      },
+      chrome_settings_overrides: {
+        search_provider: {
+          name: "Example",
+          search_url: "https://example.com/?q={searchTerms}";,
+          is_default: true,
+        },
+      },
+    },
+  };
+
+  let extension = ExtensionTestUtils.loadExtension(extensionInfo);
+
+  // Mock a response from the default search prompt where we
+  // say no to setting this as the default when installing.
+  let prompted = TestUtils.topicObserved(
+    "webextension-defaultsearch-prompt",
+    (subject, message) => {
+      if (subject.wrappedJSObject.id == extension.id) {
+        return subject.wrappedJSObject.respond(false);
+      }
+    }
+  );
+
+  let defaultEngineName = (await Services.search.getDefault()).name;
+  ok(defaultEngineName !== "Example", "Search is not Example.");
+
+  await extension.startup();
+  await prompted;
+
+  equal(
+    extension.version,
+    "1.0",
+    "The installed addon has the expected version."
+  );
+  equal(
+    (await Services.search.getDefault()).name,
+    defaultEngineName,
+    "Default engine is the default after startup."
+  );
+
+  extensionInfo.manifest = {
+    version: "2.0",
+    applications: {
+      gecko: {
+        id: EXTENSION_ID,
+      },
+    },
+    chrome_settings_overrides: {
+      search_provider: {
+        name: "Example",
+        search_url: "https://example.com/?q={searchTerms}";,
+        is_default: true,
+      },
+    },
+  };
+
+  let deferredUpgradePrompt = topicObservable(
+    "webextension-defaultsearch-prompt",
+    (subject, message) => {
+      if (subject.wrappedJSObject.id == extension.id) {
+        ok(false, "should not prompt on update");
+      }
+    }
+  );
+
+  await Promise.race([
+    extension.upgrade(extensionInfo),
+    deferredUpgradePrompt.promise,
+  ]);
+  deferredUpgradePrompt.resolve();
+
+  await AddonTestUtils.waitForSearchProviderStartup(extension);
+
+  equal(
+    extension.version,
+    "2.0",
+    "The updated addon has the expected version."
+  );
+  // An upgraded extension does not become the default engine.
+  equal(
+    (await Services.search.getDefault()).name,
+    defaultEngineName,
+    "Default engine is still the default after startup."
+  );
+
+  let addon = await AddonManager.getAddonByID(EXTENSION_ID);
+  await addon.disable();
+
+  prompted = TestUtils.topicObserved(
+    "webextension-defaultsearch-prompt",
+    (subject, message) => {
+      if (subject.wrappedJSObject.id == extension.id) {
+        return subject.wrappedJSObject.respond(false);
+      }
+    }
+  );
+  await Promise.all([addon.enable(), prompted]);
+
+  // we still said no.
+  equal(
+    (await Services.search.getDefault()).name,
+    defaultEngineName,
+    "Default engine is the default after startup."
+  );
+
+  await extension.unload();
+});

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