From 485490eba7330233a748e51268d39a093a2eb642 Mon Sep 17 00:00:00 2001
From: Andy Uhnak <andyuhnak@gmail.com>
Date: Wed, 19 Apr 2023 14:13:27 +0100
Subject: [PATCH] One more legacy crypto use

---
 MatrixSDK/Data/MXRoom.m | 28 ----------------------------
 1 file changed, 28 deletions(-)

diff --git a/MatrixSDK/Data/MXRoom.m b/MatrixSDK/Data/MXRoom.m
index 020af712d..b626989f0 100644
--- a/MatrixSDK/Data/MXRoom.m
+++ b/MatrixSDK/Data/MXRoom.m
@@ -82,11 +82,6 @@ The list of room operations (sending of text, images...) that must be sent
      FIFO queue of failure blocks waiting for [self members:].
      */
     NSMutableArray<void (^)(NSError *)> *pendingMembersFailureBlocks;
-    
-    /**
-     The manager for sharing keys of messages with invited users
-     */
-    MXSharedHistoryKeyManager *sharedHistoryKeyManager;
 }
 @end
 
@@ -123,14 +118,6 @@ - (id)initWithRoomId:(NSString *)roomId matrixSession:(MXSession *)mxSession2 an
     {
         _roomId = roomId;
         mxSession = mxSession2;
-        
-        if ([mxSession.crypto isKindOfClass:[MXLegacyCrypto class]])
-        {
-            MXMegolmDecryption *decryption = [[MXMegolmDecryption alloc] initWithCrypto:mxSession.crypto];
-            sharedHistoryKeyManager = [[MXSharedHistoryKeyManager alloc] initWithRoomId:roomId
-                                                                                 crypto:mxSession.crypto
-                                                                                service:decryption];
-        }
 
         if (store)
         {
@@ -1977,24 +1964,9 @@ - (MXHTTPOperation*)inviteUser:(NSString*)userId
                        success:(void (^)(void))success
                        failure:(void (^)(NSError *error))failure
 {
-    if (MXSDKOptions.sharedInstance.enableRoomSharedHistoryOnInvite)
-    {
-        [self shareRoomKeysWith:userId];
-    }
     return [mxSession.matrixRestClient inviteUser:userId toRoom:self.roomId success:success failure:failure];
 }
 
-- (void)shareRoomKeysWith:(NSString *)userId
-{
-    // The value of 20 is arbitrary and imprecise, we merely want to ensure that when a user is invited to a room
-    // they are able to read any immediately preciding messages that may be relevant to the invite.
-    NSInteger numberOfSharedMessage = 20;
-    id<MXEventsEnumerator> enumerator = [self enumeratorForStoredMessagesWithTypeIn:@[kMXEventTypeStringRoomMessage]];
-    [sharedHistoryKeyManager shareMessageKeysWithUserId:userId
-                                      messageEnumerator:enumerator
-                                                  limit:numberOfSharedMessage];
-}
-
 - (MXHTTPOperation*)inviteUserByEmail:(NSString*)email
                               success:(void (^)(void))success
                               failure:(void (^)(NSError *error))failure