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Safer saving of invite link info.

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GitOrigin-RevId: 40c122f1dceb2bbc5f2bd9e6204393ce5c694340
This commit is contained in:
levlam 2020-01-10 02:04:06 +03:00
parent 1703cee349
commit 13dce473eb
1 changed files with 22 additions and 19 deletions
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41
td/telegram/ContactsManager.cpp
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@ -5796,8 +5796,7 @@ void ContactsManager::export_channel_invite_link(ChannelId channel_id, Promise<U
} }
void ContactsManager::check_dialog_invite_link(const string &invite_link, Promise<Unit> &&promise) const { void ContactsManager::check_dialog_invite_link(const string &invite_link, Promise<Unit> &&promise) const {
auto it = invite_link_infos_.find(invite_link); if (invite_link_infos_.count(invite_link) > 0) {
if (it != invite_link_infos_.end()) {
return promise.set_value(Unit()); return promise.set_value(Unit());
} }
@ -10023,11 +10022,6 @@ void ContactsManager::on_update_channel_full_slow_mode_next_send_date(ChannelFul
void ContactsManager::on_get_dialog_invite_link_info(const string &invite_link, void ContactsManager::on_get_dialog_invite_link_info(const string &invite_link,
tl_object_ptr<telegram_api::ChatInvite> &&chat_invite_ptr) { tl_object_ptr<telegram_api::ChatInvite> &&chat_invite_ptr) {
auto &invite_link_info = invite_link_infos_[invite_link];
if (invite_link_info == nullptr) {
invite_link_info = make_unique<InviteLinkInfo>();
}
CHECK(chat_invite_ptr != nullptr); CHECK(chat_invite_ptr != nullptr);
switch (chat_invite_ptr->get_id()) { switch (chat_invite_ptr->get_id()) {
case telegram_api::chatInviteAlready::ID: { case telegram_api::chatInviteAlready::ID: {
@ -10045,7 +10039,10 @@ void ContactsManager::on_get_dialog_invite_link_info(const string &invite_link,
on_get_chat(std::move(chat_invite_already->chat_), "chatInviteAlready"); on_get_chat(std::move(chat_invite_already->chat_), "chatInviteAlready");
CHECK(chat_id == ChatId() || channel_id == ChannelId()); CHECK(chat_id == ChatId() || channel_id == ChannelId());
CHECK(invite_link_info != nullptr); auto &invite_link_info = invite_link_infos_[invite_link];
if (invite_link_info == nullptr) {
invite_link_info = make_unique<InviteLinkInfo>();
}
invite_link_info->chat_id = chat_id; invite_link_info->chat_id = chat_id;
invite_link_info->channel_id = channel_id; invite_link_info->channel_id = channel_id;
@ -10059,22 +10056,28 @@ void ContactsManager::on_get_dialog_invite_link_info(const string &invite_link,
} }
case telegram_api::chatInvite::ID: { case telegram_api::chatInvite::ID: {
auto chat_invite = move_tl_object_as<telegram_api::chatInvite>(chat_invite_ptr); auto chat_invite = move_tl_object_as<telegram_api::chatInvite>(chat_invite_ptr);
CHECK(invite_link_info != nullptr); vector<UserId> participant_user_ids;
for (auto &user : chat_invite->participants_) {
auto user_id = get_user_id(user);
if (!user_id.is_valid()) {
LOG(ERROR) << "Receive invalid " << user_id;
continue;
}
on_get_user(std::move(user), "chatInvite");
participant_user_ids.push_back(user_id);
}
auto &invite_link_info = invite_link_infos_[invite_link];
if (invite_link_info == nullptr) {
invite_link_info = make_unique<InviteLinkInfo>();
}
invite_link_info->chat_id = ChatId(); invite_link_info->chat_id = ChatId();
invite_link_info->channel_id = ChannelId(); invite_link_info->channel_id = ChannelId();
invite_link_info->title = chat_invite->title_; invite_link_info->title = chat_invite->title_;
invite_link_info->photo = get_photo(td_->file_manager_.get(), std::move(chat_invite->photo_), DialogId()); invite_link_info->photo = get_photo(td_->file_manager_.get(), std::move(chat_invite->photo_), DialogId());
invite_link_info->participant_count = chat_invite->participants_count_; invite_link_info->participant_count = chat_invite->participants_count_;
invite_link_info->participant_user_ids.clear(); invite_link_info->participant_user_ids = std::move(participant_user_ids);
for (auto &user : chat_invite->participants_) {
auto user_id = get_user_id(user);
if (!user_id.is_valid()) {
LOG(ERROR) << "Receive invalid " << user_id;
} else {
on_get_user(std::move(user), "chatInvite");
}
invite_link_info->participant_user_ids.push_back(user_id);
}
invite_link_info->is_chat = (chat_invite->flags_ & CHAT_INVITE_FLAG_IS_CHANNEL) == 0; invite_link_info->is_chat = (chat_invite->flags_ & CHAT_INVITE_FLAG_IS_CHANNEL) == 0;
invite_link_info->is_channel = (chat_invite->flags_ & CHAT_INVITE_FLAG_IS_CHANNEL) != 0; invite_link_info->is_channel = (chat_invite->flags_ & CHAT_INVITE_FLAG_IS_CHANNEL) != 0;