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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/. */

/**
 * Localization object holding the fluent definitions of permission descriptions
 * of WebExtension APIs defined in toolkit.
 *
 * This is exported to allow builds (e.g. Thunderbird) to extend or modify the
 * object via its addResourceIds() method.
 */
export const PERMISSION_L10N = new Localization(
  [
    "toolkit/global/extensions.ftl",
    "toolkit/global/extensionPermissions.ftl",
    "branding/brand.ftl",
  ],
  true
);

/**
 * List of permissions that are associated with a permission message.
 *
 * Keep this list in sync with:
 * - The messages in `toolkit/locales/en-US/toolkit/global/extensionPermissions.ftl`
 * - `permissionToTranslation` at https://github.com/mozilla-mobile/firefox-android/blob/d9c08c387917e3e53963386ad53229e69d52da6e/android-components/components/feature/addons/src/main/java/mozilla/components/feature/addons/Addon.kt#L174-L206
 * - https://extensionworkshop.com/documentation/develop/request-the-right-permissions/#advised-permissions
 * - https://support.mozilla.org/en-US/kb/permission-request-messages-firefox-extensions
 *
 * This is exported to allow builds (e.g. Thunderbird) to extend or modify the set.
 */
export const PERMISSIONS_WITH_MESSAGE = new Set([
  "bookmarks",
  "browserSettings",
  "browsingData",
  "clipboardRead",
  "clipboardWrite",
  "declarativeNetRequest",
  "declarativeNetRequestFeedback",
  "devtools",
  "downloads",
  "downloads.open",
  "find",
  "geolocation",
  "history",
  "management",
  "nativeMessaging",
  "notifications",
  "pkcs11",
  "privacy",
  "proxy",
  "sessions",
  "tabs",
  "tabHide",
  "topSites",
  "webNavigation",
]);

/**
 * Overrides for permission description l10n identifiers,
 * which by default use the pattern `webext-perms-description-${permission}`
 * where `permission` is sanitized to be a valid Fluent identifier.
 *
 * This is exported to allow builds (e.g. Thunderbird) to extend or modify the map.
 */
export const PERMISSION_L10N_ID_OVERRIDES = new Map();

/**
 * Maps a permission name to its l10n identifier.
 *
 * Returns `null` for permissions not in `PERMISSIONS_WITH_MESSAGE`.
 *
 * The default `webext-perms-description-${permission}` mapping
 * may be overridden by entries in `PERMISSION_L10N_ID_OVERRIDES`.
 *
 * @param {string} permission
 * @returns {string | null}
 */
export function permissionToL10nId(permission) {
  if (!PERMISSIONS_WITH_MESSAGE.has(permission)) {
    return null;
  }

  if (PERMISSION_L10N_ID_OVERRIDES.has(permission)) {
    return PERMISSION_L10N_ID_OVERRIDES.get(permission);
  }

  // Sanitize input to end up with a valid l10n id.
  // E.g. "<all_urls>" to "all-urls", "downloads.open" to "downloads-open".
  const sanitized = permission
    .replace(/[^a-zA-Z0-9]+/g, "-")
    .replace(/^-|-$/g, "");

  return `webext-perms-description-${sanitized}`;
}