92 lines
2.7 KiB
C++
92 lines
2.7 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2023
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#pragma once
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#include "td/telegram/telegram_api.h"
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#include "td/utils/common.h"
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#include "td/utils/format.h"
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#include "td/utils/misc.h"
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#include "td/utils/StringBuilder.h"
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#include "td/utils/tl_helpers.h"
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namespace td {
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struct EncryptedFile {
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int64 id_ = 0;
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int64 access_hash_ = 0;
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int64 size_ = 0;
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int32 dc_id_ = 0;
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int32 key_fingerprint_ = 0;
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EncryptedFile() = default;
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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) {
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CHECK(size_ >= 0);
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}
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static unique_ptr<EncryptedFile> get_encrypted_file(tl_object_ptr<telegram_api::EncryptedFile> file_ptr) {
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if (file_ptr == nullptr || file_ptr->get_id() != telegram_api::encryptedFile::ID) {
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return nullptr;
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}
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auto file = move_tl_object_as<telegram_api::encryptedFile>(file_ptr);
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if (file->size_ < 0) {
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return nullptr;
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}
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return make_unique<EncryptedFile>(file->id_, file->access_hash_, file->size_, file->dc_id_, file->key_fingerprint_);
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}
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template <class StorerT>
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void store(StorerT &storer) const {
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using td::store;
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bool has_64bit_size = (size_ >= (static_cast<int64>(1) << 31));
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BEGIN_STORE_FLAGS();
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STORE_FLAG(has_64bit_size);
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END_STORE_FLAGS();
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store(id_, storer);
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store(access_hash_, storer);
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if (has_64bit_size) {
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store(size_, storer);
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} else {
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store(narrow_cast<int32>(size_), storer);
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}
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store(dc_id_, storer);
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store(key_fingerprint_, storer);
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}
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template <class ParserT>
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void parse(ParserT &parser) {
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using td::parse;
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bool has_64bit_size;
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BEGIN_PARSE_FLAGS();
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constexpr int32 OLD_MAGIC = 0x473d738a;
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if (flags_parse == OLD_MAGIC) {
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flags_parse = 0;
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}
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PARSE_FLAG(has_64bit_size);
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END_PARSE_FLAGS();
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parse(id_, parser);
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parse(access_hash_, parser);
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if (has_64bit_size) {
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parse(size_, parser);
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} else {
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int32 int_size;
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parse(int_size, parser);
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size_ = int_size;
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}
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parse(dc_id_, parser);
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parse(key_fingerprint_, parser);
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}
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};
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inline StringBuilder &operator<<(StringBuilder &sb, const EncryptedFile &file) {
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return sb << "[" << tag("id", file.id_) << tag("access_hash", file.access_hash_) << tag("size", file.size_)
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<< tag("dc_id", file.dc_id_) << tag("key_fingerprint", file.key_fingerprint_) << "]";
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}
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} // namespace td
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