feat: add working encrypt/decrypt for 03 group with libsession

ts/receiver/configMessage.ts

@@ -679,8 +679,8 @@ async function handleGroupUpdate(latestEnvelopeTimestamp: number) {
 
   const allGoupsIdsInWrapper = allGoupsInWrapper.map(m => m.pubkeyHex);
   const allGoupsIdsInDb = allGoupsInDb.map(m => m.id as string);
-  console.warn('allGoupsIdsInWrapper', stringify(allGoupsIdsInWrapper));
-  console.warn('allGoupsIdsInDb', stringify(allGoupsIdsInDb));
+  window.log.debug('allGoupsIdsInWrapper', stringify(allGoupsIdsInWrapper));
+  window.log.debug('allGoupsIdsInDb', stringify(allGoupsIdsInDb));
 
   const userEdKeypair = await UserUtils.getUserED25519KeyPairBytes();
   if (!userEdKeypair) {

ts/receiver/contentMessage.ts

@@ -60,16 +60,26 @@ export async function handleSwarmContentMessage(envelope: EnvelopePlus, messageH
 
 async function decryptForGroupV2(envelope: EnvelopePlus) {
   window?.log?.info('received closed group message v2');
+  try {
     const groupPk = envelope.source;
     if (!PubKey.isClosedGroupV2(groupPk)) {
       throw new PreConditionFailed('decryptForGroupV2: not a 03 prefixed group');
     }
 
-  return MetaGroupWrapperActions.decryptMessage(groupPk, envelope.content);
+    const decrypted = await MetaGroupWrapperActions.decryptMessage(groupPk, envelope.content);
+
+    // the receiving pipeline relies on the envelope.senderIdentity field to know who is the author of a message
+    // eslint-disable-next-line no-param-reassign
+    envelope.senderIdentity = decrypted.pubkeyHex;
+
+    return decrypted.plaintext;
+  } catch (e) {
+    window.log.warn('failed to decrypt message with error: ', e.message);
+    return null;
+  }
 }
 
 async function decryptForClosedGroup(envelope: EnvelopePlus) {
-  // case .closedGroupCiphertext: for ios
   window?.log?.info('received closed group message');
   try {
     const hexEncodedGroupPublicKey = envelope.source;

ts/session/crypto/MessageEncrypter.ts

@@ -19,7 +19,7 @@ type EncryptResult = {
 
 async function encryptWithLibSession(destination: GroupPubkeyType, plainText: Uint8Array) {
   try {
-    return MetaGroupWrapperActions.encryptMessage(destination, plainText, true);
+    return MetaGroupWrapperActions.encryptMessage(destination, plainText);
   } catch (e) {
     window.log.warn('encrypt message for group failed with', e.message);
     throw new SigningFailed(e.message);

ts/session/types/PubKey.ts

@@ -26,58 +26,6 @@ export enum KeyPrefixType {
   groupV3 = '03',
 }
 
-// export type GroupV2PubKey = {
-//   key: GroupPubkeyType; // 03 prefix for groups v2
-//   isGroupV2: true;
-//   isLegacyGroup: false;
-//   isPrivate: false;
-//   isUS: false;
-//   isBlinded: false;
-// };
-
-// export type PrivatePubkey = {
-//   key: PubkeyType; // 05 prefix for private conversations
-//   isGroupV2: false;
-//   isLegacyGroup: false;
-//   isPrivate: true;
-//   isUS: false;
-//   isBlinded: false;
-// };
-
-// export type UsPubkey = {
-//   key: PubkeyType; // 05 prefix for note to self
-//   isGroupV2: false;
-//   isLegacyGroup: false;
-//   isPrivate: false;
-//   isUS: true;
-//   isBlinded: false;
-// };
-
-// export type PrivateBlindedPubkey = {
-//   key: BlindedPubkeyType; // 15 prefix for blinded pubkeys
-//   isGroupV2: false;
-//   isLegacyGroup: false;
-//   isPrivate: true;
-//   isUS: false;
-//   isBlinded: true;
-// };
-
-// export type LegacyGroupPubkey = {
-//   key: PubkeyType; // 05 prefix for legacy closed group
-//   isGroupV2: false;
-//   isLegacyGroup: true;
-//   isPrivate: false;
-//   isUS: false;
-//   isBlinded: false;
-// };
-
-// export type PubKeyRecord =
-//   | UsPubkey
-//   | PrivatePubkey
-//   | GroupV2PubKey
-//   | LegacyGroupPubkey
-//   | PrivateBlindedPubkey;
-
 // TODO make that Pubkey class more useful, add fields for what types of pubkey it is (group, legacy group, private)
 
 export class PubKey {

ts/webworker/workers/browser/libsession_worker_interface.ts

@@ -510,13 +510,10 @@ export const MetaGroupWrapperActions: MetaGroupWrapperActionsCalls = {
       data,
       timestampMs,
     ]) as Promise<ReturnType<MetaGroupWrapperActionsCalls['loadKeyMessage']>>,
-  encryptMessage: async (groupPk: GroupPubkeyType, plaintext: Uint8Array, compress: boolean) =>
-    callLibSessionWorker([
-      `MetaGroupConfig-${groupPk}`,
-      'encryptMessage',
-      plaintext,
-      compress,
-    ]) as Promise<ReturnType<MetaGroupWrapperActionsCalls['encryptMessage']>>,
+  encryptMessage: async (groupPk: GroupPubkeyType, plaintext: Uint8Array) =>
+    callLibSessionWorker([`MetaGroupConfig-${groupPk}`, 'encryptMessage', plaintext]) as Promise<
+      ReturnType<MetaGroupWrapperActionsCalls['encryptMessage']>
+    >,
   decryptMessage: async (groupPk: GroupPubkeyType, ciphertext: Uint8Array) =>
     callLibSessionWorker([`MetaGroupConfig-${groupPk}`, 'decryptMessage', ciphertext]) as Promise<
       ReturnType<MetaGroupWrapperActionsCalls['decryptMessage']>