88 lines
2.6 KiB
TypeScript
88 lines
2.6 KiB
TypeScript
// Copyright 2018-2020 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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// The list of permissions is here:
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// https://electronjs.org/docs/api/session#sessetpermissionrequesthandlerhandler
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import { session as ElectronSession } from 'electron';
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import { ConfigType } from './config';
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const PERMISSIONS: Record<string, boolean> = {
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// Allowed
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fullscreen: true, // required to show videos in full-screen
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notifications: true, // required to show OS notifications for new messages
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// Off by default, can be enabled by user
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media: false, // required for access to microphone and camera, used for voice notes and calling
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// Not allowed
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geolocation: false,
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midiSysex: false,
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openExternal: false, // we don't need this; we open links via 'will-navigate' event
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pointerLock: false,
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};
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function _createPermissionHandler(
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userConfig: ConfigType
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): Parameters<typeof ElectronSession.prototype.setPermissionRequestHandler>[0] {
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return (_webContents, permission, callback, details): void => {
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// We default 'media' permission to false, but the user can override that for
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// the microphone and camera.
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if (permission === 'media') {
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if (
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details.mediaTypes?.includes('audio') ||
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details.mediaTypes?.includes('video')
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) {
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if (
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details.mediaTypes?.includes('audio') &&
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userConfig.get('mediaPermissions')
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) {
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callback(true);
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return;
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}
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if (
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details.mediaTypes?.includes('video') &&
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userConfig.get('mediaCameraPermissions')
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) {
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callback(true);
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return;
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}
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callback(false);
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return;
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}
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// If it doesn't have 'video' or 'audio', it's probably screenshare.
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// TODO: DESKTOP-1611
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callback(true);
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return;
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}
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if (PERMISSIONS[permission]) {
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console.log(`Approving request for permission '${permission}'`);
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callback(true);
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return;
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}
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console.log(`Denying request for permission '${permission}'`);
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callback(false);
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};
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}
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export function installPermissionsHandler({
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session,
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userConfig,
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}: {
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session: typeof ElectronSession;
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userConfig: ConfigType;
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}): void {
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// Setting the permission request handler to null first forces any permissions to be
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// requested again. Without this, revoked permissions might still be available if
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// they've already been used successfully.
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session.defaultSession.setPermissionRequestHandler(null);
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session.defaultSession.setPermissionRequestHandler(
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_createPermissionHandler(userConfig)
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);
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}
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