From 8449b1715de83ee5c997c8aac613e7efac9460d3 Mon Sep 17 00:00:00 2001
From: George Hazan <george.hazan@gmail.com>
Date: Thu, 5 Sep 2024 18:04:01 +0300
Subject: =?UTF-8?q?fixes=20#4608=20(Telegram:=20=D1=83=20=D0=B8=D0=B7?=
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---
 protocols/Telegram/src/proto.cpp  | 13 +++++++++----
 protocols/Telegram/src/server.cpp |  2 ++
 2 files changed, 11 insertions(+), 4 deletions(-)

(limited to 'protocols')

diff --git a/protocols/Telegram/src/proto.cpp b/protocols/Telegram/src/proto.cpp
index b270c760d7..07cba42bc9 100644
--- a/protocols/Telegram/src/proto.cpp
+++ b/protocols/Telegram/src/proto.cpp
@@ -334,8 +334,10 @@ int CTelegramProto::AuthRequest(MCONTACT hContact, const wchar_t *)
 	return 0;
 }
 
-INT_PTR CTelegramProto::GetCaps(int type, MCONTACT)
+INT_PTR CTelegramProto::GetCaps(int type, MCONTACT hContact)
 {
+	uint32_t ret;
+
 	switch (type) {
 	case PFLAGNUM_1:
 		return PF1_IM | PF1_FILE | PF1_CHAT | PF1_SEARCHBYNAME | PF1_ADDSEARCHRES | PF1_MODEMSGRECV | PF1_SERVERCLIST;
@@ -344,9 +346,12 @@ INT_PTR CTelegramProto::GetCaps(int type, MCONTACT)
 		return PF2_ONLINE | PF2_SHORTAWAY | PF2_LONGAWAY;
 
 	case PFLAGNUM_4:
-		return PF4_NOCUSTOMAUTH | PF4_FORCEAUTH | PF4_OFFLINEFILES | PF4_NOAUTHDENYREASON | PF4_SUPPORTTYPING | PF4_AVATARS 
-			| PF4_SERVERMSGID | PF4_DELETEFORALL | PF4_REPLY | PF4_GROUPCHATFILES;
-
+		ret = PF4_NOCUSTOMAUTH | PF4_FORCEAUTH | PF4_OFFLINEFILES | PF4_NOAUTHDENYREASON | PF4_SUPPORTTYPING | PF4_AVATARS 
+			| PF4_SERVERMSGID | PF4_REPLY | PF4_GROUPCHATFILES;
+		if (GetId(hContact) != m_iOwnId)
+			ret |= PF4_DELETEFORALL;
+		return ret;
+		
 	case PFLAGNUM_5:
 		return PF2_SHORTAWAY | PF2_LONGAWAY;
 
diff --git a/protocols/Telegram/src/server.cpp b/protocols/Telegram/src/server.cpp
index f7ef21a95f..5e71eafedc 100644
--- a/protocols/Telegram/src/server.cpp
+++ b/protocols/Telegram/src/server.cpp
@@ -504,6 +504,8 @@ INT_PTR CTelegramProto::SvcCanEmptyHistory(WPARAM hContact, LPARAM)
 		TG_SUPER_GROUP tmp(pUser->id, 0);
 		if (auto *pGroup = m_arSuperGroups.find(&tmp))
 			return !pGroup->group->is_channel_;
+		
+		return 1;
 	}
 
 	return 0;
-- 
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