From ff9f5b88d9e36d9d895652f24839caed74505777 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Fri, 11 Mar 2022 13:00:25 +0300
Subject: [PATCH] Ignore invite links to deactivated basic groups.

---
 td/telegram/ContactsManager.cpp | 12 +++++++++---
 td/telegram/ContactsManager.h   |  2 +-
 td/telegram/Td.cpp              |  2 +-
 3 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/td/telegram/ContactsManager.cpp b/td/telegram/ContactsManager.cpp
index ed63f67b2..41061d62f 100644
--- a/td/telegram/ContactsManager.cpp
+++ b/td/telegram/ContactsManager.cpp
@@ -7509,9 +7509,15 @@ void ContactsManager::delete_all_revoked_dialog_invite_links(DialogId dialog_id,
   td_->create_handler<DeleteRevokedExportedChatInvitesQuery>(std::move(promise))->send(dialog_id, creator_user_id);
 }
 
-void ContactsManager::check_dialog_invite_link(const string &invite_link, Promise<Unit> &&promise) const {
-  if (invite_link_infos_.count(invite_link) > 0) {
-    return promise.set_value(Unit());
+void ContactsManager::check_dialog_invite_link(const string &invite_link, bool force, Promise<Unit> &&promise) {
+  auto it = invite_link_infos_.find(invite_link);
+  if (it != invite_link_infos_.end()) {
+    auto dialog_id = it->second->dialog_id;
+    if (!force && dialog_id.get_type() == DialogType::Chat && !get_chat_is_active(dialog_id.get_chat_id())) {
+      invite_link_infos_.erase(it);
+    } else {
+      return promise.set_value(Unit());
+    }
   }
 
   if (!DialogInviteLink::is_valid_invite_link(invite_link)) {
diff --git a/td/telegram/ContactsManager.h b/td/telegram/ContactsManager.h
index 1d2f59541..c031d3d48 100644
--- a/td/telegram/ContactsManager.h
+++ b/td/telegram/ContactsManager.h
@@ -421,7 +421,7 @@ class ContactsManager final : public Actor {
 
   void delete_all_revoked_dialog_invite_links(DialogId dialog_id, UserId creator_user_id, Promise<Unit> &&promise);
 
-  void check_dialog_invite_link(const string &invite_link, Promise<Unit> &&promise) const;
+  void check_dialog_invite_link(const string &invite_link, bool force, Promise<Unit> &&promise);
 
   void import_dialog_invite_link(const string &invite_link, Promise<DialogId> &&promise);
 
diff --git a/td/telegram/Td.cpp b/td/telegram/Td.cpp
index 1190ebc1d..d0067e29f 100644
--- a/td/telegram/Td.cpp
+++ b/td/telegram/Td.cpp
@@ -1789,7 +1789,7 @@ class CheckChatInviteLinkRequest final : public RequestActor<> {
   string invite_link_;
 
   void do_run(Promise<Unit> &&promise) final {
-    td_->contacts_manager_->check_dialog_invite_link(invite_link_, std::move(promise));
+    td_->contacts_manager_->check_dialog_invite_link(invite_link_, get_tries() < 2, std::move(promise));
   }
 
   void do_send_result() final {