tdesktop/Telegram/SourceFiles/storage/serialize_peer.cpp

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/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "storage/serialize_peer.h"
#include "storage/serialize_common.h"
#include "main/main_session.h"
#include "data/data_channel.h"
#include "data/data_chat.h"
#include "data/data_user.h"
#include "data/data_session.h"
#include "ui/image/image.h"
#include "app.h"
namespace Serialize {
namespace {
constexpr auto kModernImageLocationTag = std::numeric_limits<qint32>::min();
} // namespace
std::optional<StorageImageLocation> readLegacyStorageImageLocationOrTag(
int streamAppVersion,
QDataStream &stream) {
qint32 width, height, dc, local;
quint64 volume, secret;
QByteArray fileReference;
stream >> width;
if (width == kModernImageLocationTag) {
return std::nullopt;
}
stream >> height >> dc >> volume >> local >> secret;
if (streamAppVersion >= 1003013) {
stream >> fileReference;
}
if (stream.status() != QDataStream::Ok) {
return std::nullopt;
}
return StorageImageLocation(
StorageFileLocation(
dc,
UserId(0), // self
MTP_inputFileLocation(
MTP_long(volume),
MTP_int(local),
MTP_long(secret),
MTP_bytes(fileReference))),
width,
height);
}
int storageImageLocationSize(const StorageImageLocation &location) {
// Modern image location tag + (size + content) of the serialization.
return sizeof(qint32) * 2 + location.serializeSize();
}
void writeStorageImageLocation(
QDataStream &stream,
const StorageImageLocation &location) {
stream << kModernImageLocationTag << location.serialize();
}
std::optional<StorageImageLocation> readStorageImageLocation(
int streamAppVersion,
QDataStream &stream) {
const auto legacy = readLegacyStorageImageLocationOrTag(
streamAppVersion,
stream);
if (legacy) {
return legacy;
}
auto serialized = QByteArray();
stream >> serialized;
return (stream.status() == QDataStream::Ok)
? StorageImageLocation::FromSerialized(serialized)
: std::nullopt;
}
int imageLocationSize(const ImageLocation &location) {
// Modern image location tag + (size + content) of the serialization.
return sizeof(qint32) * 2 + location.serializeSize();
}
void writeImageLocation(QDataStream &stream, const ImageLocation &location) {
stream << kModernImageLocationTag << location.serialize();
}
std::optional<ImageLocation> readImageLocation(
int streamAppVersion,
QDataStream &stream) {
const auto legacy = readLegacyStorageImageLocationOrTag(
streamAppVersion,
stream);
if (legacy) {
return ImageLocation(
DownloadLocation{ legacy->file() },
legacy->width(),
legacy->height());
}
auto serialized = QByteArray();
stream >> serialized;
return (stream.status() == QDataStream::Ok)
? ImageLocation::FromSerialized(serialized)
: std::nullopt;
}
uint32 peerSize(not_null<PeerData*> peer) {
uint32 result = sizeof(quint64)
+ sizeof(quint64)
+ imageLocationSize(peer->userpicLocation());
if (peer->isUser()) {
UserData *user = peer->asUser();
// first + last + phone + username + access
result += stringSize(user->firstName) + stringSize(user->lastName) + stringSize(user->phone()) + stringSize(user->username) + sizeof(quint64);
// flags
if (AppVersion >= 9012) {
result += sizeof(qint32);
}
// onlineTill + contact + botInfoVersion
result += sizeof(qint32) + sizeof(qint32) + sizeof(qint32);
} else if (peer->isChat()) {
ChatData *chat = peer->asChat();
// name + count + date + version + admin + old forbidden + left + inviteLink
result += stringSize(chat->name) + sizeof(qint32) + sizeof(qint32) + sizeof(qint32) + sizeof(qint32) + sizeof(qint32) + sizeof(quint32) + stringSize(chat->inviteLink());
} else if (peer->isChannel()) {
ChannelData *channel = peer->asChannel();
// name + access + date + version + old forbidden + flags + inviteLink
result += stringSize(channel->name) + sizeof(quint64) + sizeof(qint32) + sizeof(qint32) + sizeof(qint32) + sizeof(quint32) + stringSize(channel->inviteLink());
}
return result;
}
void writePeer(QDataStream &stream, not_null<PeerData*> peer) {
stream << SerializePeerId(peer->id) << quint64(peer->userpicPhotoId());
writeImageLocation(stream, peer->userpicLocation());
if (const auto user = peer->asUser()) {
stream
<< user->firstName
<< user->lastName
<< user->phone()
<< user->username
<< quint64(user->accessHash());
if (AppVersion >= 9012) {
stream << qint32(user->flags());
}
if (AppVersion >= 9016) {
const auto botInlinePlaceholder = user->isBot()
? user->botInfo->inlinePlaceholder
: QString();
stream << botInlinePlaceholder;
}
stream
<< qint32(user->onlineTill)
<< qint32(user->isContact() ? 1 : 0)
<< qint32(user->isBot() ? user->botInfo->version : -1);
} else if (const auto chat = peer->asChat()) {
auto field1 = qint32(uint32(chat->creator.bare & 0xFFFFFFFFULL));
auto field2 = qint32(uint32(chat->creator.bare >> 32) << 8);
stream
<< chat->name
<< qint32(chat->count)
<< qint32(chat->date)
<< qint32(chat->version())
<< field1
<< field2
<< quint32(chat->flags())
<< chat->inviteLink();
} else if (const auto channel = peer->asChannel()) {
stream
<< channel->name
<< quint64(channel->access)
<< qint32(channel->date)
<< qint32(channel->version())
<< qint32(0)
<< quint32(channel->flags())
<< channel->inviteLink();
}
}
PeerData *readPeer(
not_null<Main::Session*> session,
int streamAppVersion,
QDataStream &stream) {
quint64 peerIdSerialized = 0, photoId = 0;
stream >> peerIdSerialized >> photoId;
const auto peerId = DeserializePeerId(peerIdSerialized);
if (!peerId) {
return nullptr;
}
const auto userpic = readImageLocation(streamAppVersion, stream);
auto userpicAccessHash = uint64(0);
if (!userpic) {
return nullptr;
}
const auto selfId = session->userPeerId();
const auto loaded = (peerId == selfId)
? session->user().get()
: session->data().peerLoaded(peerId);
const auto apply = !loaded || !loaded->isFullLoaded();
const auto result = loaded ? loaded : session->data().peer(peerId).get();
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if (apply) {
result->setLoadedStatus(PeerData::LoadedStatus::Full);
}
if (const auto user = result->asUser()) {
QString first, last, phone, username, inlinePlaceholder;
quint64 access;
qint32 flags = 0, onlineTill, contact, botInfoVersion;
stream >> first >> last >> phone >> username >> access;
if (streamAppVersion >= 9012) {
stream >> flags;
}
if (streamAppVersion >= 9016) {
stream >> inlinePlaceholder;
}
stream >> onlineTill >> contact >> botInfoVersion;
userpicAccessHash = access;
const auto showPhone = !user->isServiceUser()
&& (user->id != selfId)
&& (contact <= 0);
const auto pname = (showPhone && !phone.isEmpty())
? App::formatPhone(phone)
: QString();
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if (apply) {
user->setPhone(phone);
user->setName(first, last, pname, username);
user->setFlags(MTPDuser::Flags::from_raw(flags));
user->setAccessHash(access);
user->onlineTill = onlineTill;
user->setIsContact(contact == 1);
user->setBotInfoVersion(botInfoVersion);
if (!inlinePlaceholder.isEmpty() && user->isBot()) {
user->botInfo->inlinePlaceholder = inlinePlaceholder;
}
if (user->id == selfId) {
user->input = MTP_inputPeerSelf();
user->inputUser = MTP_inputUserSelf();
} else {
// #TODO ids
user->input = MTP_inputPeerUser(MTP_int(peerToUser(user->id).bare), MTP_long(user->accessHash()));
user->inputUser = MTP_inputUser(MTP_int(peerToUser(user->id).bare), MTP_long(user->accessHash()));
}
}
} else if (const auto chat = result->asChat()) {
QString name, inviteLink;
qint32 count, date, version, field1, field2;
quint32 flagsData, flags;
stream >> name >> count >> date >> version >> field1 >> field2 >> flagsData >> inviteLink;
const auto creator = UserId(
BareId(uint32(field1)) | (BareId(uint32(field2) >> 8) << 32));
const auto oldForbidden = ((uint32(field2) & 0xFF) == 1);
if (streamAppVersion >= 9012) {
flags = flagsData;
} else {
// flagsData was haveLeft
flags = (flagsData == 1)
? MTPDchat::Flags(MTPDchat::Flag::f_left)
: MTPDchat::Flags(0);
}
if (oldForbidden) {
flags |= quint32(MTPDchat_ClientFlag::f_forbidden);
}
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if (apply) {
chat->setName(name);
chat->count = count;
chat->date = date;
// We don't save participants, admin status and banned rights.
// So we don't restore the version field, info is still unknown.
chat->setVersion(0);
chat->creator = creator;
chat->setFlags(MTPDchat::Flags::from_raw(flags));
chat->setInviteLink(inviteLink);
// #TODO ids
chat->input = MTP_inputPeerChat(MTP_int(peerToChat(chat->id).bare));
}
} else if (const auto channel = result->asChannel()) {
QString name, inviteLink;
quint64 access;
qint32 date, version, oldForbidden;
quint32 flags;
stream >> name >> access >> date >> version >> oldForbidden >> flags >> inviteLink;
userpicAccessHash = access;
if (oldForbidden) {
flags |= quint32(MTPDchannel_ClientFlag::f_forbidden);
}
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if (apply) {
channel->setName(name, QString());
channel->access = access;
channel->date = date;
// We don't save participants, admin status and banned rights.
// So we don't restore the version field, info is still unknown.
channel->setVersion(0);
channel->setFlags(MTPDchannel::Flags::from_raw(flags));
channel->setInviteLink(inviteLink);
// #TODO ids
channel->input = MTP_inputPeerChannel(MTP_int(peerToChannel(channel->id).bare), MTP_long(access));
channel->inputChannel = MTP_inputChannel(MTP_int(peerToChannel(channel->id).bare), MTP_long(access));
}
}
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if (apply) {
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const auto location = userpic->convertToModernPeerPhoto(
result->id.value,
userpicAccessHash,
photoId);
result->setUserpic(photoId, location);
}
return result;
}
QString peekUserPhone(int streamAppVersion, QDataStream &stream) {
quint64 peerIdSerialized = 0, photoId = 0;
stream >> peerIdSerialized >> photoId;
const auto peerId = DeserializePeerId(peerIdSerialized);
DEBUG_LOG(("peekUserPhone.id: %1").arg(peerId.value));
if (!peerId
|| !peerIsUser(peerId)
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|| !readImageLocation(streamAppVersion, stream)) {
return QString();
}
QString first, last, phone;
stream >> first >> last >> phone;
DEBUG_LOG(("peekUserPhone.data: %1 %2 %3"
).arg(first, last, phone));
return phone;
}
} // namespace Serialize