tdlight/td/telegram/files/FileData.hpp
2023-04-03 01:24:43 +03:00

138 lines
4.0 KiB
C++

//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2023
//
// 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)
//
#pragma once
#include "td/telegram/files/FileData.h"
#include "td/telegram/FileReferenceManager.h"
#include "td/telegram/FileReferenceManager.hpp"
#include "td/telegram/files/FileEncryptionKey.h"
#include "td/telegram/files/FileLocation.h"
#include "td/telegram/files/FileLocation.hpp"
#include "td/telegram/Global.h"
#include "td/telegram/Td.h"
#include "td/telegram/Version.h"
#include "td/utils/algorithm.h"
#include "td/utils/common.h"
#include "td/utils/misc.h"
#include "td/utils/tl_helpers.h"
namespace td {
template <class StorerT>
void FileData::store(StorerT &storer) const {
using ::td::store;
bool has_owner_dialog_id = owner_dialog_id_.is_valid();
bool has_expected_size = size_ == 0 && expected_size_ != 0;
bool encryption_key_is_secure = encryption_key_.is_secure();
bool has_sources = !file_source_ids_.empty();
bool has_version = true;
BEGIN_STORE_FLAGS();
STORE_FLAG(has_owner_dialog_id);
STORE_FLAG(has_expected_size);
STORE_FLAG(encryption_key_is_secure);
STORE_FLAG(has_sources);
STORE_FLAG(has_version);
END_STORE_FLAGS();
if (has_version) {
store(static_cast<int32>(Version::Next) - 1, storer);
}
if (has_owner_dialog_id) {
store(owner_dialog_id_, storer);
}
store(pmc_id_, storer);
store(remote_, storer);
store(local_, storer);
auto generate = generate_ == nullptr ? GenerateFileLocation() : GenerateFileLocation(*generate_);
store(generate, storer);
if (has_expected_size) {
store(expected_size_, storer);
} else {
store(size_, storer);
}
store(remote_name_, storer);
store(url_, storer);
store(encryption_key_, storer);
if (has_sources) {
auto td = G()->td().get_actor_unsafe();
store(narrow_cast<int32>(file_source_ids_.size()), storer);
for (auto file_source_id : file_source_ids_) {
td->file_reference_manager_->store_file_source(file_source_id, storer);
}
}
}
template <class ParserT>
void FileData::parse(ParserT &parser, bool register_file_sources) {
using ::td::parse;
bool has_owner_dialog_id;
bool has_expected_size;
bool encryption_key_is_secure;
bool has_sources;
bool has_version;
BEGIN_PARSE_FLAGS();
PARSE_FLAG(has_owner_dialog_id);
PARSE_FLAG(has_expected_size);
PARSE_FLAG(encryption_key_is_secure);
PARSE_FLAG(has_sources);
PARSE_FLAG(has_version);
END_PARSE_FLAGS();
if (parser.get_error()) {
return;
}
int32 version = 0;
if (has_version) {
parse(version, parser);
}
parser.set_version(version);
if (has_owner_dialog_id) {
parse(owner_dialog_id_, parser);
}
parse(pmc_id_, parser);
parse(remote_, parser);
parse(local_, parser);
GenerateFileLocation generate;
parse(generate, parser);
if (generate.type() == GenerateFileLocation::Type::Full) {
generate_ = make_unique<FullGenerateFileLocation>(generate.full());
} else {
generate_ = nullptr;
}
if (has_expected_size) {
parse(expected_size_, parser);
} else {
parse(size_, parser);
}
parse(remote_name_, parser);
parse(url_, parser);
encryption_key_.parse(encryption_key_is_secure ? FileEncryptionKey::Type::Secure : FileEncryptionKey::Type::Secret,
parser);
if (has_sources && register_file_sources) {
Td *td = G()->td().get_actor_unsafe();
int32 file_source_count;
parse(file_source_count, parser);
if (0 < file_source_count && file_source_count < 5) {
for (int i = 0; i < file_source_count; i++) {
if (parser.get_error()) {
return;
}
auto file_source_id = td->file_reference_manager_->parse_file_source(td, parser);
if (file_source_id.is_valid() && !td::contains(file_source_ids_, file_source_id)) {
file_source_ids_.push_back(file_source_id);
}
}
} else {
parser.set_error("Wrong number of file source identifiers");
}
}
}
} // namespace td