92 lines
2.7 KiB
C++
92 lines
2.7 KiB
C++
//
|
|
// 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)
|
|
//
|
|
#pragma once
|
|
|
|
#include "td/telegram/telegram_api.h"
|
|
|
|
#include "td/utils/common.h"
|
|
#include "td/utils/format.h"
|
|
#include "td/utils/misc.h"
|
|
#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;
|
|
int32 dc_id_ = 0;
|
|
int32 key_fingerprint_ = 0;
|
|
|
|
EncryptedFile() = default;
|
|
EncryptedFile(int64 id, int64 access_hash, int64 size, int32 dc_id, int32 key_fingerprint)
|
|
: id_(id), access_hash_(access_hash), size_(size), dc_id_(dc_id), key_fingerprint_(key_fingerprint) {
|
|
CHECK(size_ >= 0);
|
|
}
|
|
|
|
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_);
|
|
}
|
|
|
|
template <class StorerT>
|
|
void store(StorerT &storer) const {
|
|
using td::store;
|
|
bool has_64bit_size = (size_ >= (static_cast<int64>(1) << 31));
|
|
BEGIN_STORE_FLAGS();
|
|
STORE_FLAG(has_64bit_size);
|
|
END_STORE_FLAGS();
|
|
store(id_, storer);
|
|
store(access_hash_, storer);
|
|
if (has_64bit_size) {
|
|
store(size_, storer);
|
|
} else {
|
|
store(narrow_cast<int32>(size_), storer);
|
|
}
|
|
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();
|
|
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;
|
|
}
|
|
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
|