tdlight/td/telegram/files/FileLocation.hpp
2023-01-01 00:28:08 +03:00

434 lines
13 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/FileLocation.h"
#include "td/telegram/files/FileType.h"
#include "td/telegram/net/DcId.h"
#include "td/telegram/PhotoSizeSource.hpp"
#include "td/telegram/Version.h"
#include "td/utils/common.h"
#include "td/utils/tl_helpers.h"
#include "td/utils/Variant.h"
namespace td {
template <class StorerT>
void PartialRemoteFileLocation::store(StorerT &storer) const {
using td::store;
store(file_id_, storer);
store(part_count_, storer);
store(part_size_, storer);
store(ready_part_count_, storer);
store(is_big_, storer);
}
template <class ParserT>
void PartialRemoteFileLocation::parse(ParserT &parser) {
using td::parse;
parse(file_id_, parser);
parse(part_count_, parser);
parse(part_size_, parser);
parse(ready_part_count_, parser);
parse(is_big_, parser);
}
template <class StorerT>
void PhotoRemoteFileLocation::store(StorerT &storer) const {
using td::store;
store(id_, storer);
store(access_hash_, storer);
store(source_, storer);
}
template <class ParserT>
void PhotoRemoteFileLocation::parse(ParserT &parser) {
using td::parse;
parse(id_, parser);
parse(access_hash_, parser);
if (parser.version() >= static_cast<int32>(Version::RemovePhotoVolumeAndLocalId)) {
parse(source_, parser);
} else {
int64 volume_id;
PhotoSizeSource source;
int32 local_id;
parse(volume_id, parser);
if (parser.version() >= static_cast<int32>(Version::AddPhotoSizeSource)) {
parse(source, parser);
parse(local_id, parser);
} else {
int64 secret;
parse(secret, parser);
parse(local_id, parser);
source = PhotoSizeSource::full_legacy(volume_id, local_id, secret);
}
if (parser.get_error() != nullptr) {
return;
}
switch (source.get_type("PhotoRemoteFileLocation::parse")) {
case PhotoSizeSource::Type::Legacy:
source_ = PhotoSizeSource::full_legacy(volume_id, local_id, source.legacy().secret);
break;
case PhotoSizeSource::Type::FullLegacy:
case PhotoSizeSource::Type::Thumbnail:
source_ = source;
break;
case PhotoSizeSource::Type::DialogPhotoSmall:
case PhotoSizeSource::Type::DialogPhotoBig: {
auto &dialog_photo = source.dialog_photo();
bool is_big = source.get_type("PhotoRemoteFileLocation::parse") == PhotoSizeSource::Type::DialogPhotoBig;
source_ = PhotoSizeSource::dialog_photo_legacy(dialog_photo.dialog_id, dialog_photo.dialog_access_hash, is_big,
volume_id, local_id);
break;
}
case PhotoSizeSource::Type::StickerSetThumbnail: {
auto &sticker_set_thumbnail = source.sticker_set_thumbnail();
source_ = PhotoSizeSource::sticker_set_thumbnail_legacy(
sticker_set_thumbnail.sticker_set_id, sticker_set_thumbnail.sticker_set_access_hash, volume_id, local_id);
break;
}
default:
parser.set_error("Invalid PhotoSizeSource in legacy PhotoRemoteFileLocation");
break;
}
}
}
template <class StorerT>
void PhotoRemoteFileLocation::AsKey::store(StorerT &storer) const {
using td::store;
auto unique = key.source_.get_unique();
switch (key.source_.get_type("PhotoRemoteFileLocation::AsKey::store")) {
case PhotoSizeSource::Type::Legacy:
case PhotoSizeSource::Type::StickerSetThumbnail:
UNREACHABLE();
break;
case PhotoSizeSource::Type::FullLegacy:
case PhotoSizeSource::Type::DialogPhotoSmallLegacy:
case PhotoSizeSource::Type::DialogPhotoBigLegacy:
case PhotoSizeSource::Type::StickerSetThumbnailLegacy: // 12/20 bytes
if (!is_unique) {
store(key.id_, storer);
}
storer.store_slice(unique); // volume_id + local_id
break;
case PhotoSizeSource::Type::DialogPhotoSmall:
case PhotoSizeSource::Type::DialogPhotoBig:
case PhotoSizeSource::Type::Thumbnail: // 8 + 1 bytes
store(key.id_, storer); // photo_id or document_id
storer.store_slice(unique);
break;
case PhotoSizeSource::Type::StickerSetThumbnailVersion: // 13 bytes
// sticker set thumbnails have no photo_id or document_id
storer.store_slice(unique);
break;
default:
UNREACHABLE();
break;
}
}
template <class StorerT>
void WebRemoteFileLocation::store(StorerT &storer) const {
using td::store;
store(url_, storer);
store(access_hash_, storer);
}
template <class ParserT>
void WebRemoteFileLocation::parse(ParserT &parser) {
using td::parse;
parse(url_, parser);
parse(access_hash_, parser);
}
template <class StorerT>
void WebRemoteFileLocation::AsKey::store(StorerT &storer) const {
td::store(key.url_, storer);
}
template <class StorerT>
void CommonRemoteFileLocation::store(StorerT &storer) const {
using td::store;
store(id_, storer);
store(access_hash_, storer);
}
template <class ParserT>
void CommonRemoteFileLocation::parse(ParserT &parser) {
using td::parse;
parse(id_, parser);
parse(access_hash_, parser);
}
template <class StorerT>
void CommonRemoteFileLocation::AsKey::store(StorerT &storer) const {
td::store(key.id_, storer);
}
template <class StorerT>
void FullRemoteFileLocation::store(StorerT &storer) const {
using ::td::store;
bool has_file_reference = !file_reference_.empty();
auto type = key_type();
if (has_file_reference) {
type |= FILE_REFERENCE_FLAG;
}
store(type, storer);
store(dc_id_.get_value(), storer);
if (has_file_reference) {
store(file_reference_, storer);
}
variant_.visit([&](auto &&value) {
using td::store;
store(value, storer);
});
}
template <class ParserT>
void FullRemoteFileLocation::parse(ParserT &parser) {
using ::td::parse;
int32 raw_type;
parse(raw_type, parser);
bool is_web = (raw_type & WEB_LOCATION_FLAG) != 0;
raw_type &= ~WEB_LOCATION_FLAG;
bool has_file_reference = (raw_type & FILE_REFERENCE_FLAG) != 0;
raw_type &= ~FILE_REFERENCE_FLAG;
if (raw_type < 0 || raw_type >= static_cast<int32>(FileType::Size)) {
return parser.set_error("Invalid FileType in FullRemoteFileLocation");
}
file_type_ = static_cast<FileType>(raw_type);
int32 dc_id_value;
parse(dc_id_value, parser);
dc_id_ = DcId::from_value(dc_id_value);
if (has_file_reference) {
parse(file_reference_, parser);
if (file_reference_ == FileReferenceView::invalid_file_reference()) {
file_reference_.clear();
}
}
if (is_web) {
variant_ = WebRemoteFileLocation();
return web().parse(parser);
}
switch (location_type()) {
case LocationType::Web:
UNREACHABLE();
break;
case LocationType::Photo:
variant_ = PhotoRemoteFileLocation();
photo().parse(parser);
if (parser.get_error() != nullptr) {
return;
}
switch (photo().source_.get_type("FullRemoteFileLocation::parse")) {
case PhotoSizeSource::Type::Legacy:
case PhotoSizeSource::Type::FullLegacy:
break;
case PhotoSizeSource::Type::Thumbnail:
if (photo().source_.get_file_type("FullRemoteFileLocation::parse") != file_type_ ||
(file_type_ != FileType::Photo && file_type_ != FileType::Thumbnail &&
file_type_ != FileType::EncryptedThumbnail)) {
parser.set_error("Invalid FileType in PhotoRemoteFileLocation Thumbnail");
}
break;
case PhotoSizeSource::Type::DialogPhotoSmall:
case PhotoSizeSource::Type::DialogPhotoBig:
case PhotoSizeSource::Type::DialogPhotoSmallLegacy:
case PhotoSizeSource::Type::DialogPhotoBigLegacy:
if (file_type_ != FileType::ProfilePhoto) {
parser.set_error("Invalid FileType in PhotoRemoteFileLocation DialogPhoto");
}
break;
case PhotoSizeSource::Type::StickerSetThumbnail:
case PhotoSizeSource::Type::StickerSetThumbnailLegacy:
case PhotoSizeSource::Type::StickerSetThumbnailVersion:
if (file_type_ != FileType::Thumbnail) {
parser.set_error("Invalid FileType in PhotoRemoteFileLocation StickerSetThumbnail");
}
break;
default:
UNREACHABLE();
break;
}
return;
case LocationType::Common:
variant_ = CommonRemoteFileLocation();
return common().parse(parser);
case LocationType::None:
break;
}
parser.set_error("Invalid FileType in FullRemoteFileLocation");
}
template <class StorerT>
void FullRemoteFileLocation::AsKey::store(StorerT &storer) const {
using td::store;
store(key.key_type(), storer);
key.variant_.visit([&](auto &&value) {
using td::store;
store(value.as_key(false), storer);
});
}
template <class StorerT>
void FullRemoteFileLocation::AsUnique::store(StorerT &storer) const {
using td::store;
int32 type = [key = &key] {
if (key->is_web()) {
return 0;
}
return static_cast<int32>(get_file_type_class(key->file_type_)) + 1;
}();
store(type, storer);
key.variant_.visit([&](auto &&value) {
using td::store;
store(value.as_key(true), storer);
});
}
template <class StorerT>
void RemoteFileLocation::store(StorerT &storer) const {
td::store(variant_, storer);
}
template <class ParserT>
void RemoteFileLocation::parse(ParserT &parser) {
td::parse(variant_, parser);
}
template <class StorerT>
void PartialLocalFileLocation::store(StorerT &storer) const {
using td::store;
store(file_type_, storer);
store(path_, storer);
store(static_cast<int32>(part_size_ & 0x7FFFFFFF), storer);
int32 deprecated_ready_part_count = part_size_ > 0x7FFFFFFF ? -2 : -1;
store(deprecated_ready_part_count, storer);
store(iv_, storer);
store(ready_bitmask_, storer);
if (deprecated_ready_part_count == -2) {
CHECK(part_size_ < (static_cast<int64>(1) << 62));
store(static_cast<int32>(part_size_ >> 31), storer);
}
}
template <class ParserT>
void PartialLocalFileLocation::parse(ParserT &parser) {
using td::parse;
parse(file_type_, parser);
if (file_type_ < FileType::Thumbnail || file_type_ >= FileType::Size) {
return parser.set_error("Invalid type in PartialLocalFileLocation");
}
parse(path_, parser);
int32 part_size_low;
parse(part_size_low, parser);
part_size_ = part_size_low;
int32 deprecated_ready_part_count;
parse(deprecated_ready_part_count, parser);
parse(iv_, parser);
if (deprecated_ready_part_count == -1 || deprecated_ready_part_count == -2) {
parse(ready_bitmask_, parser);
if (deprecated_ready_part_count == -2) {
int32 part_size_high;
parse(part_size_high, parser);
part_size_ += static_cast<int64>(part_size_high) << 31;
}
} else {
CHECK(0 <= deprecated_ready_part_count);
CHECK(deprecated_ready_part_count <= (1 << 22));
ready_bitmask_ = Bitmask(Bitmask::Ones{}, deprecated_ready_part_count).encode();
}
}
template <class StorerT>
void FullLocalFileLocation::store(StorerT &storer) const {
using td::store;
store(file_type_, storer);
store(mtime_nsec_, storer);
store(path_, storer);
}
template <class ParserT>
void FullLocalFileLocation::parse(ParserT &parser) {
using td::parse;
parse(file_type_, parser);
if (file_type_ < FileType::Thumbnail || file_type_ >= FileType::Size) {
return parser.set_error("Invalid type in FullLocalFileLocation");
}
parse(mtime_nsec_, parser);
parse(path_, parser);
}
template <class StorerT>
void PartialLocalFileLocationPtr::store(StorerT &storer) const {
td::store(*location_, storer);
}
template <class ParserT>
void PartialLocalFileLocationPtr::parse(ParserT &parser) {
td::parse(*location_, parser);
}
template <class StorerT>
void LocalFileLocation::store(StorerT &storer) const {
td::store(variant_, storer);
}
template <class ParserT>
void LocalFileLocation::parse(ParserT &parser) {
td::parse(variant_, parser);
}
template <class StorerT>
void FullGenerateFileLocation::store(StorerT &storer) const {
using td::store;
store(file_type_, storer);
store(original_path_, storer);
store(conversion_, storer);
}
template <class ParserT>
void FullGenerateFileLocation::parse(ParserT &parser) {
using td::parse;
parse(file_type_, parser);
parse(original_path_, parser);
parse(conversion_, parser);
}
template <class StorerT>
void GenerateFileLocation::store(StorerT &storer) const {
td::store(type_, storer);
switch (type_) {
case Type::Empty:
return;
case Type::Full:
return td::store(full_, storer);
}
}
template <class ParserT>
void GenerateFileLocation::parse(ParserT &parser) {
td::parse(type_, parser);
switch (type_) {
case Type::Empty:
return;
case Type::Full:
return td::parse(full_, parser);
}
return parser.set_error("Invalid type in GenerateFileLocation");
}
} // namespace td