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-rw-r--r--toolkit/mozapps/extensions/internal/AddonSettings.sys.mjs138
1 files changed, 138 insertions, 0 deletions
diff --git a/toolkit/mozapps/extensions/internal/AddonSettings.sys.mjs b/toolkit/mozapps/extensions/internal/AddonSettings.sys.mjs
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+/* 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/. */
+
+import { XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs";
+import { AppConstants } from "resource://gre/modules/AppConstants.sys.mjs";
+
+import { AddonManager } from "resource://gre/modules/AddonManager.sys.mjs";
+
+const PREF_SIGNATURES_REQUIRED = "xpinstall.signatures.required";
+const PREF_LANGPACK_SIGNATURES = "extensions.langpacks.signatures.required";
+const PREF_ALLOW_EXPERIMENTS = "extensions.experiments.enabled";
+const PREF_EM_SIDELOAD_SCOPES = "extensions.sideloadScopes";
+const PREF_IS_EMBEDDED = "extensions.isembedded";
+const PREF_UPDATE_REQUIREBUILTINCERTS = "extensions.update.requireBuiltInCerts";
+const PREF_INSTALL_REQUIREBUILTINCERTS =
+ "extensions.install.requireBuiltInCerts";
+
+export var AddonSettings = {};
+
+// Make a non-changable property that can't be manipulated from other
+// code in the app.
+function makeConstant(name, value) {
+ Object.defineProperty(AddonSettings, name, {
+ configurable: false,
+ enumerable: false,
+ writable: false,
+ value,
+ });
+}
+
+if (AppConstants.MOZ_REQUIRE_SIGNING && !Cu.isInAutomation) {
+ makeConstant("REQUIRE_SIGNING", true);
+ makeConstant("LANGPACKS_REQUIRE_SIGNING", true);
+} else {
+ XPCOMUtils.defineLazyPreferenceGetter(
+ AddonSettings,
+ "REQUIRE_SIGNING",
+ PREF_SIGNATURES_REQUIRED,
+ false
+ );
+ XPCOMUtils.defineLazyPreferenceGetter(
+ AddonSettings,
+ "LANGPACKS_REQUIRE_SIGNING",
+ PREF_LANGPACK_SIGNATURES,
+ false
+ );
+}
+
+/**
+ * Require the use of certs shipped with Firefox for
+ * addon install and update, if the distribution does
+ * not require addon signing and is not ESR.
+ */
+XPCOMUtils.defineLazyPreferenceGetter(
+ AddonSettings,
+ "INSTALL_REQUIREBUILTINCERTS",
+ PREF_INSTALL_REQUIREBUILTINCERTS,
+ !AppConstants.MOZ_REQUIRE_SIGNING &&
+ !AppConstants.MOZ_APP_VERSION_DISPLAY.endsWith("esr")
+);
+
+XPCOMUtils.defineLazyPreferenceGetter(
+ AddonSettings,
+ "UPDATE_REQUIREBUILTINCERTS",
+ PREF_UPDATE_REQUIREBUILTINCERTS,
+ !AppConstants.MOZ_REQUIRE_SIGNING &&
+ !AppConstants.MOZ_APP_VERSION_DISPLAY.endsWith("esr")
+);
+
+// Whether or not we're running in GeckoView embedded in an Android app
+if (Cu.isInAutomation) {
+ XPCOMUtils.defineLazyPreferenceGetter(
+ AddonSettings,
+ "IS_EMBEDDED",
+ PREF_IS_EMBEDDED,
+ false
+ );
+} else {
+ makeConstant("IS_EMBEDDED", AppConstants.platform === "android");
+}
+
+/**
+ * AddonSettings.EXPERIMENTS_ENABLED
+ *
+ * Experimental APIs are always available to privileged signed addons.
+ * This constant makes an optional preference available to enable experimental
+ * APIs for developement purposes.
+ *
+ * Two features are toggled with this preference:
+ *
+ * 1. The ability to load an extension that contains an experimental
+ * API but is not privileged.
+ * 2. The ability to load an unsigned extension that gains privilege
+ * if it is temporarily loaded (e.g. via about:debugging).
+ *
+ * MOZ_REQUIRE_SIGNING is set to zero in unbranded builds, we also
+ * ensure nightly, dev-ed and our test infrastructure have access to
+ * the preference.
+ *
+ * Official releases ignore this preference.
+ */
+if (
+ !AppConstants.MOZ_REQUIRE_SIGNING ||
+ AppConstants.NIGHTLY_BUILD ||
+ AppConstants.MOZ_DEV_EDITION ||
+ Cu.isInAutomation
+) {
+ XPCOMUtils.defineLazyPreferenceGetter(
+ AddonSettings,
+ "EXPERIMENTS_ENABLED",
+ PREF_ALLOW_EXPERIMENTS,
+ true
+ );
+} else {
+ makeConstant("EXPERIMENTS_ENABLED", false);
+}
+
+if (AppConstants.MOZ_DEV_EDITION) {
+ makeConstant("DEFAULT_THEME_ID", "firefox-compact-dark@mozilla.org");
+} else {
+ makeConstant("DEFAULT_THEME_ID", "default-theme@mozilla.org");
+}
+
+// SCOPES_SIDELOAD is a bitflag for what scopes we will load new extensions from when we scan the directories.
+// If a build allows sideloading, or we're in automation, we'll also allow use of the preference.
+if (AppConstants.MOZ_ALLOW_ADDON_SIDELOAD || Cu.isInAutomation) {
+ XPCOMUtils.defineLazyPreferenceGetter(
+ AddonSettings,
+ "SCOPES_SIDELOAD",
+ PREF_EM_SIDELOAD_SCOPES,
+ AppConstants.MOZ_ALLOW_ADDON_SIDELOAD
+ ? AddonManager.SCOPE_ALL
+ : AddonManager.SCOPE_PROFILE
+ );
+} else {
+ makeConstant("SCOPES_SIDELOAD", AddonManager.SCOPE_PROFILE);
+}