e2ee. (#226)

* chore: e2ee.

* update.

* update.

* update.

* update.

* chore: Use feat/frame-encryption branch of flutter-webrtc.

* chore: Add E2EEKEY defines for dart environment, and e2ee switch.

* Add encodedInsertableStreams to RTCConfiguration.

* update.

* feat: Add e2ee indicator for Participant.

* feat: add e2ee worker js for flutter web.

* dart format.

* remove unused file.

* fix flutter analyze .

* update.

* update.

* add: indicate for decryption failure, and string key.

* remove .lock files.

* update.

* update.

* update e2ee.worker for web.

* feat: support setCodecPreferences.

* state TrackE2EEStateEvent.

* fix wrong import interface from dart_webrtc.

* update.

* update.

* update.

* update.

* update pubspec.lock.

* chore: update protocol and add EncryptionType for Participant.

* Update lib/src/e2ee/options.dart

Co-authored-by: Théo Monnom <[email protected]>

* fix typo.

* revert changes for internal import.

* Add _cleanUp() for previous room.

* Add e2ee supports detection method for native/web.

* Remove redundant overriding methods.

* dart format.

* Add e2ee.worker code and deployment docs.

* chore: remove duplicate words.

* chore: using Pbkdf2 derive the key.

* Update pubspec.yaml

* fix e2ee for safari.

* fix key length.

* update e2ee.worker.dart.js.

* fix.

* update proto.

* update.

* chore: add simulate for rachetKey.

* update.

* chore: key ratchet for flutter web.

* update.

* update.

* update.

* chore: key ratchet export for web.

* bump version for xframeworks.

* update.

* chore: some changes for key safety ratcheting.

* update.

* fix typo.

* update.

* rename.

* magic bytes for web.

* bump version for flutter-webrtc.

* fix analyzer.

---------

Co-authored-by: Théo Monnom <[email protected]>

lib/src/extensions.dart

@@ -2,12 +2,10 @@ import 'dart:convert';
 
 import 'package:flutter/material.dart';
 import 'package:flutter_webrtc/flutter_webrtc.dart' as rtc;
+import 'package:livekit_client/livekit_client.dart';
 
-import 'events.dart';
-import 'managers/event.dart';
 import 'proto/livekit_models.pb.dart' as lk_models;
 import 'proto/livekit_rtc.pb.dart' as lk_rtc;
-import 'types/other.dart';
 
 extension DataPacketKindExt on lk_models.DataPacket_Kind {
   Reliability toSDKType() => {
@@ -172,6 +170,14 @@ extension WidgetsBindingCompatible on WidgetsBinding {
   static WidgetsBinding? get instance => WidgetsBinding.instance;
 }
 
+extension EncryptionTypeExt on lk_models.Encryption_Type {
+  EncryptionType toLkType() => {
+        lk_models.Encryption_Type.NONE: EncryptionType.kNone,
+        lk_models.Encryption_Type.GCM: EncryptionType.kGcm,
+        lk_models.Encryption_Type.CUSTOM: EncryptionType.kCustom,
+      }[this]!;
+}
+
 extension DisconnectReasonExt on lk_models.DisconnectReason {
   DisconnectReason toSDKType() => {
         lk_models.DisconnectReason.UNKNOWN_REASON: DisconnectReason.unknown,