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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 "ui/text/format_values.h" // Ui::FormatPhone
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 (const auto user = peer->asUser()) {
result += stringSize(user->firstName)
+ stringSize(user->lastName)
+ stringSize(user->phone())
+ stringSize(user->username)
+ sizeof(quint64) // access
+ sizeof(qint32) // flags
+ sizeof(qint32) // onlineTill
+ sizeof(qint32) // contact
+ sizeof(qint32); // botInfoVersion
} else if (const auto chat = peer->asChat()) {
result += stringSize(chat->name)
+ sizeof(qint32) // count
+ sizeof(qint32) // date
+ sizeof(qint32) // version
+ sizeof(qint32) // creator id 1
+ sizeof(qint32) // creator id 2
+ sizeof(quint32) // flags
+ stringSize(chat->inviteLink());
} else if (const auto channel = peer->asChannel()) {
result += stringSize(channel->name)
+ sizeof(quint64) // access
+ sizeof(qint32) // date
+ sizeof(qint32) // version
+ sizeof(qint32) // old forbidden
+ sizeof(quint32) // flags
+ 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()) {
const auto botInlinePlaceholder = user->isBot()
? user->botInfo->inlinePlaceholder
: QString();
stream
<< user->firstName
<< user->lastName
<< user->phone()
<< user->username
<< quint64(user->accessHash())
<< qint32(user->flags())
<< botInlinePlaceholder
<< 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(0) // legacy - 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->isLoaded();
const auto result = loaded ? loaded : session->data().peer(peerId).get();
if (apply) {
result->setLoadedStatus(PeerData::LoadedStatus::Normal);
}
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;
if (apply) {
const auto showPhone = !user->isServiceUser()
&& (user->id != selfId)
&& (contact <= 0);
const auto pname = (showPhone && !phone.isEmpty())
? Ui::FormatPhone(phone)
: QString();
user->setPhone(phone);
user->setName(first, last, pname, username);
if (streamAppVersion >= 2008007) {
user->setFlags(UserDataFlags::from_raw(flags));
} else {
using Saved = MTPDuser::Flag;
using Flag = UserDataFlag;
struct Conversion {
Saved saved;
Flag flag;
};
const auto conversions = {
Conversion{ Saved::f_deleted, Flag::Deleted },
Conversion{ Saved::f_verified, Flag::Verified },
Conversion{ Saved::f_scam, Flag::Scam },
Conversion{ Saved::f_fake, Flag::Fake },
Conversion{ Saved::f_bot_inline_geo, Flag::BotInlineGeo },
Conversion{ Saved::f_support, Flag::Support },
Conversion{ Saved::f_contact, Flag::Contact },
Conversion{ Saved::f_mutual_contact, Flag::MutualContact },
};
auto flagsMask = Flag() | Flag();
auto flagsSet = Flag() | Flag();
for (const auto &conversion : conversions) {
flagsMask |= conversion.flag;
if (flags & int(conversion.saved)) {
flagsSet |= conversion.flag;
}
}
user->setFlags((user->flags() & ~flagsMask) | flagsSet);
}
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 {
user->input = MTP_inputPeerUser(MTP_long(peerToUser(user->id).bare), MTP_long(user->accessHash()));
user->inputUser = MTP_inputUser(MTP_long(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 flags;
stream
>> name
>> count
>> date
>> version
>> field1
>> field2
>> flags
>> inviteLink;
if (apply) {
const auto creator = UserId(
BareId(uint32(field1)) | (BareId(uint32(field2) >> 8) << 32));
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);
if (streamAppVersion >= 2008007) {
chat->setFlags(ChatDataFlags::from_raw(flags));
} else {
const auto oldForbidden = ((uint32(field2) & 0xFF) == 1);
using Saved = MTPDchat::Flag;
using Flag = ChatDataFlag;
struct Conversion {
Saved saved;
Flag flag;
};
const auto conversions = {
Conversion{ Saved::f_left, Flag::Left },
Conversion{ Saved::f_creator, Flag::Creator },
Conversion{ Saved::f_deactivated, Flag::Deactivated },
Conversion{ Saved(1U << 31), Flag::Forbidden },
Conversion{ Saved::f_call_active, Flag::CallActive },
Conversion{ Saved::f_call_not_empty, Flag::CallNotEmpty },
};
auto flagsMask = Flag() | Flag();
auto flagsSet = Flag() | Flag();
if (streamAppVersion >= 9012) {
for (const auto &conversion : conversions) {
flagsMask |= conversion.flag;
if (flags & int(conversion.saved)) {
flagsSet |= conversion.flag;
}
}
} else {
// flags was haveLeft
if (flags == 1) {
flagsSet |= Flag::Left;
}
}
if (oldForbidden) {
flagsSet |= Flag::Forbidden;
}
chat->setFlags((chat->flags() & ~flagsMask) | flagsSet);
}
chat->creator = creator;
chat->setInviteLink(inviteLink);
chat->input = MTP_inputPeerChat(MTP_long(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 (apply) {
channel->setName(name, QString());
channel->access = access;
channel->date = date;
if (streamAppVersion >= 2008007) {
channel->setFlags(ChannelDataFlags::from_raw(flags));
} else {
using Saved = MTPDchannel::Flag;
using Flag = ChannelDataFlag;
struct Conversion {
Saved saved;
Flag flag;
};
const auto conversions = {
Conversion{ Saved::f_broadcast, Flag::Broadcast },
Conversion{ Saved::f_verified, Flag::Verified},
Conversion{ Saved::f_scam, Flag::Scam},
Conversion{ Saved::f_fake, Flag::Fake},
Conversion{ Saved::f_megagroup, Flag::Megagroup},
Conversion{ Saved::f_gigagroup, Flag::Gigagroup},
Conversion{ Saved::f_username, Flag::Username},
Conversion{ Saved::f_signatures, Flag::Signatures},
Conversion{ Saved::f_has_link, Flag::HasLink},
Conversion{
Saved::f_slowmode_enabled,
Flag::SlowmodeEnabled },
Conversion{ Saved::f_call_active, Flag::CallActive },
Conversion{ Saved::f_call_not_empty, Flag::CallNotEmpty },
Conversion{ Saved(1U << 31), Flag::Forbidden },
Conversion{ Saved::f_left, Flag::Left },
Conversion{ Saved::f_creator, Flag::Creator },
};
auto flagsMask = Flag() | Flag();
auto flagsSet = Flag() | Flag();
for (const auto &conversion : conversions) {
flagsMask |= conversion.flag;
if (flags & int(conversion.saved)) {
flagsSet |= conversion.flag;
}
}
if (oldForbidden) {
flagsSet |= Flag::Forbidden;
}
channel->setFlags((channel->flags() & ~flagsMask) | flagsSet);
}
channel->setInviteLink(inviteLink);
channel->input = MTP_inputPeerChannel(MTP_long(peerToChannel(channel->id).bare), MTP_long(access));
channel->inputChannel = MTP_inputChannel(MTP_long(peerToChannel(channel->id).bare), MTP_long(access));
}
}
if (apply) {
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)
|| !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
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