tdlight/td/telegram/MessageSender.cpp

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//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2022
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "td/telegram/MessageSender.h"
#include "td/telegram/AuthManager.h"
#include "td/telegram/ContactsManager.h"
#include "td/telegram/MessagesManager.h"
#include "td/telegram/Td.h"
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#include "td/utils/algorithm.h"
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#include "td/utils/logging.h"
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#include "td/utils/misc.h"
namespace td {
td_api::object_ptr<td_api::MessageSender> get_message_sender_object_const(Td *td, UserId user_id, DialogId dialog_id,
const char *source) {
if (dialog_id.is_valid() && td->messages_manager_->have_dialog(dialog_id)) {
return td_api::make_object<td_api::messageSenderChat>(dialog_id.get());
}
if (!user_id.is_valid()) {
// can happen only if the server sends a message with wrong sender
LOG(ERROR) << "Receive message with wrong sender " << user_id << '/' << dialog_id << " from " << source;
user_id = td->contacts_manager_->add_service_notifications_user();
}
return td_api::make_object<td_api::messageSenderUser>(td->contacts_manager_->get_user_id_object(user_id, source));
}
td_api::object_ptr<td_api::MessageSender> get_message_sender_object_const(Td *td, DialogId dialog_id,
const char *source) {
if (dialog_id.get_type() == DialogType::User) {
return get_message_sender_object_const(td, dialog_id.get_user_id(), DialogId(), source);
}
return get_message_sender_object_const(td, UserId(), dialog_id, source);
}
td_api::object_ptr<td_api::MessageSender> get_message_sender_object(Td *td, UserId user_id, DialogId dialog_id,
const char *source) {
if (dialog_id.is_valid() && !td->messages_manager_->have_dialog(dialog_id)) {
LOG(ERROR) << "Failed to find " << dialog_id;
td->messages_manager_->force_create_dialog(dialog_id, source);
}
if (!user_id.is_valid() && td->auth_manager_->is_bot()) {
td->contacts_manager_->add_anonymous_bot_user();
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td->contacts_manager_->add_channel_bot_user();
td->contacts_manager_->add_service_notifications_user();
}
return get_message_sender_object_const(td, user_id, dialog_id, source);
}
td_api::object_ptr<td_api::MessageSender> get_message_sender_object(Td *td, DialogId dialog_id, const char *source) {
if (dialog_id.get_type() == DialogType::User) {
return get_message_sender_object(td, dialog_id.get_user_id(), DialogId(), source);
}
return get_message_sender_object(td, UserId(), dialog_id, source);
}
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td_api::object_ptr<td_api::MessageSender> get_min_message_sender_object(Td *td, DialogId dialog_id,
const char *source) {
auto dialog_type = dialog_id.get_type();
if (dialog_type == DialogType::User) {
auto user_id = dialog_id.get_user_id();
if (td->contacts_manager_->have_min_user(user_id)) {
return td_api::make_object<td_api::messageSenderUser>(td->contacts_manager_->get_user_id_object(user_id, source));
}
} else {
if (!td->messages_manager_->have_dialog(dialog_id) &&
(td->messages_manager_->have_dialog_info(dialog_id) ||
(dialog_type == DialogType::Channel && td->contacts_manager_->have_min_channel(dialog_id.get_channel_id())))) {
LOG(INFO) << "Force creation of " << dialog_id;
td->messages_manager_->force_create_dialog(dialog_id, source, true);
}
if (td->messages_manager_->have_dialog(dialog_id)) {
return td_api::make_object<td_api::messageSenderChat>(dialog_id.get());
}
}
LOG(ERROR) << "Can't return unknown " << dialog_id << " from " << source;
return nullptr;
}
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vector<DialogId> get_message_sender_dialog_ids(Td *td,
const vector<telegram_api::object_ptr<telegram_api::Peer>> &peers) {
vector<DialogId> message_sender_dialog_ids;
message_sender_dialog_ids.reserve(peers.size());
for (auto &peer : peers) {
DialogId dialog_id(peer);
if (!dialog_id.is_valid()) {
LOG(ERROR) << "Receive invalid " << dialog_id << " as message sender";
continue;
}
if (dialog_id.get_type() == DialogType::User) {
if (!td->contacts_manager_->have_user(dialog_id.get_user_id())) {
LOG(ERROR) << "Have no info about " << dialog_id.get_user_id();
continue;
}
} else {
if (!td->messages_manager_->have_dialog_info(dialog_id)) {
continue;
}
td->messages_manager_->force_create_dialog(dialog_id, "get_message_sender_dialog_ids");
if (!td->messages_manager_->have_dialog(dialog_id)) {
continue;
}
}
message_sender_dialog_ids.push_back(dialog_id);
}
return message_sender_dialog_ids;
}
td_api::object_ptr<td_api::messageSenders> convert_message_senders_object(
Td *td, const vector<telegram_api::object_ptr<telegram_api::Peer>> &peers) {
auto dialog_ids = get_message_sender_dialog_ids(td, peers);
auto message_senders = transform(dialog_ids, [td](DialogId dialog_id) {
return get_message_sender_object(td, dialog_id, "convert_message_senders_object");
});
return td_api::make_object<td_api::messageSenders>(narrow_cast<int32>(dialog_ids.size()), std::move(message_senders));
}
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Result<DialogId> get_message_sender_dialog_id(Td *td,
const td_api::object_ptr<td_api::MessageSender> &message_sender_id,
bool check_access, bool allow_empty) {
if (message_sender_id == nullptr) {
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if (allow_empty) {
return DialogId();
}
return Status::Error(400, "Message sender must be non-empty");
}
switch (message_sender_id->get_id()) {
case td_api::messageSenderUser::ID: {
auto user_id = UserId(static_cast<const td_api::messageSenderUser *>(message_sender_id.get())->user_id_);
if (!user_id.is_valid()) {
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if (allow_empty && user_id == UserId()) {
return DialogId();
}
return Status::Error(400, "Invalid user identifier specified");
}
bool know_user = td->contacts_manager_->have_user_force(user_id);
if (check_access && !know_user) {
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return Status::Error(400, "Unknown user identifier specified");
}
return DialogId(user_id);
}
case td_api::messageSenderChat::ID: {
auto dialog_id = DialogId(static_cast<const td_api::messageSenderChat *>(message_sender_id.get())->chat_id_);
if (!dialog_id.is_valid()) {
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if (allow_empty && dialog_id == DialogId()) {
return DialogId();
}
return Status::Error(400, "Invalid chat identifier specified");
}
bool know_dialog = dialog_id.get_type() == DialogType::User
? td->contacts_manager_->have_user_force(dialog_id.get_user_id())
: td->messages_manager_->have_dialog_force(dialog_id, "get_message_sender_dialog_id");
if (check_access && !know_dialog) {
return Status::Error(400, "Unknown chat identifier specified");
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}
return dialog_id;
}
default:
UNREACHABLE();
return DialogId();
}
}
} // namespace td