tdlight/td/telegram/EncryptedFile.h

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//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2022
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//
// 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/telegram_api.h"
#include "td/utils/common.h"
#include "td/utils/format.h"
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#include "td/utils/misc.h"
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#include "td/utils/StringBuilder.h"
#include "td/utils/tl_helpers.h"
namespace td {
struct EncryptedFile {
int64 id_ = 0;
int64 access_hash_ = 0;
int64 size_ = 0;
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int32 dc_id_ = 0;
int32 key_fingerprint_ = 0;
EncryptedFile() = default;
EncryptedFile(int64 id, int64 access_hash, int64 size, int32 dc_id, int32 key_fingerprint)
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: id_(id), access_hash_(access_hash), size_(size), dc_id_(dc_id), key_fingerprint_(key_fingerprint) {
CHECK(size_ >= 0);
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}
static unique_ptr<EncryptedFile> get_encrypted_file(tl_object_ptr<telegram_api::EncryptedFile> file_ptr) {
if (file_ptr == nullptr || file_ptr->get_id() != telegram_api::encryptedFile::ID) {
return nullptr;
}
auto file = move_tl_object_as<telegram_api::encryptedFile>(file_ptr);
if (file->size_ < 0) {
return nullptr;
}
return make_unique<EncryptedFile>(file->id_, file->access_hash_, file->size_, file->dc_id_, file->key_fingerprint_);
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}
template <class StorerT>
void store(StorerT &storer) const {
using td::store;
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bool has_64bit_size = (size_ >= (static_cast<int64>(1) << 31));
BEGIN_STORE_FLAGS();
STORE_FLAG(has_64bit_size);
END_STORE_FLAGS();
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store(id_, storer);
store(access_hash_, storer);
if (has_64bit_size) {
store(size_, storer);
} else {
store(narrow_cast<int32>(size_), storer);
}
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store(dc_id_, storer);
store(key_fingerprint_, storer);
}
template <class ParserT>
void parse(ParserT &parser) {
using td::parse;
bool has_64bit_size;
BEGIN_PARSE_FLAGS();
constexpr int32 OLD_MAGIC = 0x473d738a;
if (flags_parse == OLD_MAGIC) {
flags_parse = 0;
}
PARSE_FLAG(has_64bit_size);
END_PARSE_FLAGS();
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parse(id_, parser);
parse(access_hash_, parser);
if (has_64bit_size) {
parse(size_, parser);
} else {
int32 int_size;
parse(int_size, parser);
size_ = int_size;
}
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parse(dc_id_, parser);
parse(key_fingerprint_, parser);
}
};
inline StringBuilder &operator<<(StringBuilder &sb, const EncryptedFile &file) {
return sb << "[" << tag("id", file.id_) << tag("access_hash", file.access_hash_) << tag("size", file.size_)
<< tag("dc_id", file.dc_id_) << tag("key_fingerprint", file.key_fingerprint_) << "]";
}
} // namespace td