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localstorage.cpp
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localstorage.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/localstorage.h"
#include "storage/serialize_document.h"
#include "storage/serialize_common.h"
#include "storage/storage_encrypted_file.h"
#include "storage/storage_clear_legacy.h"
#include "chat_helpers/stickers.h"
#include "data/data_drafts.h"
#include "boxes/send_files_box.h"
#include "window/themes/window_theme.h"
#include "ui/widgets/input_fields.h"
#include "ui/emoji_config.h"
#include "export/export_settings.h"
#include "core/crash_reports.h"
#include "core/update_checker.h"
#include "observer_peer.h"
#include "mainwidget.h"
#include "mainwindow.h"
#include "lang/lang_keys.h"
#include "lang/lang_cloud_manager.h"
#include "media/media_audio.h"
#include "mtproto/dc_options.h"
#include "messenger.h"
#include "application.h"
#include "apiwrap.h"
#include "auth_session.h"
#include "window/window_controller.h"
#include "base/flags.h"
#include "data/data_session.h"
#include "history/history.h"
extern "C" {
#include <openssl/evp.h>
} // extern "C"
namespace Local {
namespace {
constexpr auto kThemeFileSizeLimit = 5 * 1024 * 1024;
constexpr auto kFileLoaderQueueStopTimeout = TimeMs(5000);
constexpr auto kDefaultStickerInstallDate = TimeId(1);
constexpr auto kProxyTypeShift = 1024;
constexpr auto kSinglePeerTypeUser = qint32(1);
constexpr auto kSinglePeerTypeChat = qint32(2);
constexpr auto kSinglePeerTypeChannel = qint32(3);
constexpr auto kSinglePeerTypeSelf = qint32(4);
constexpr auto kSinglePeerTypeEmpty = qint32(0);
using Database = Storage::Cache::Database;
using FileKey = quint64;
constexpr char tdfMagic[] = { 'T', 'D', 'F', '$' };
constexpr auto tdfMagicLen = int(sizeof(tdfMagic));
QString toFilePart(FileKey val) {
QString result;
result.reserve(0x10);
for (int32 i = 0; i < 0x10; ++i) {
uchar v = (val & 0x0F);
result.push_back((v < 0x0A) ? ('0' + v) : ('A' + (v - 0x0A)));
val >>= 4;
}
return result;
}
QString _basePath, _userBasePath, _userDbPath;
bool _started = false;
internal::Manager *_manager = nullptr;
TaskQueue *_localLoader = nullptr;
bool _working() {
return _manager && !_basePath.isEmpty();
}
bool _userWorking() {
return _manager && !_basePath.isEmpty() && !_userBasePath.isEmpty();
}
enum class FileOption {
User = (1 << 0),
Safe = (1 << 1),
};
using FileOptions = base::flags<FileOption>;
inline constexpr auto is_flag_type(FileOption) { return true; };
bool keyAlreadyUsed(QString &name, FileOptions options = FileOption::User | FileOption::Safe) {
name += '0';
if (QFileInfo(name).exists()) return true;
if (options & (FileOption::Safe)) {
name[name.size() - 1] = '1';
return QFileInfo(name).exists();
}
return false;
}
FileKey genKey(FileOptions options = FileOption::User | FileOption::Safe) {
if (options & FileOption::User) {
if (!_userWorking()) return 0;
} else {
if (!_working()) return 0;
}
FileKey result;
QString base = (options & FileOption::User) ? _userBasePath : _basePath, path;
path.reserve(base.size() + 0x11);
path += base;
do {
result = rand_value<FileKey>();
path.resize(base.size());
path += toFilePart(result);
} while (!result || keyAlreadyUsed(path, options));
return result;
}
void clearKey(const FileKey &key, FileOptions options = FileOption::User | FileOption::Safe) {
if (options & FileOption::User) {
if (!_userWorking()) return;
} else {
if (!_working()) return;
}
QString base = (options & FileOption::User) ? _userBasePath : _basePath, name;
name.reserve(base.size() + 0x11);
name.append(base).append(toFilePart(key)).append('0');
QFile::remove(name);
if (options & FileOption::Safe) {
name[name.size() - 1] = '1';
QFile::remove(name);
}
}
bool _checkStreamStatus(QDataStream &stream) {
if (stream.status() != QDataStream::Ok) {
LOG(("Bad data stream status: %1").arg(stream.status()));
return false;
}
return true;
}
QByteArray _settingsSalt, _passKeySalt, _passKeyEncrypted;
constexpr auto kLocalKeySize = MTP::AuthKey::kSize;
auto OldKey = MTP::AuthKeyPtr();
auto SettingsKey = MTP::AuthKeyPtr();
auto PassKey = MTP::AuthKeyPtr();
auto LocalKey = MTP::AuthKeyPtr();
void createLocalKey(const QByteArray &pass, QByteArray *salt, MTP::AuthKeyPtr *result) {
auto key = MTP::AuthKey::Data { { gsl::byte{} } };
auto iterCount = pass.size() ? LocalEncryptIterCount : LocalEncryptNoPwdIterCount; // dont slow down for no password
auto newSalt = QByteArray();
if (!salt) {
newSalt.resize(LocalEncryptSaltSize);
memset_rand(newSalt.data(), newSalt.size());
salt = &newSalt;
cSetLocalSalt(newSalt);
}
PKCS5_PBKDF2_HMAC_SHA1(pass.constData(), pass.size(), (uchar*)salt->data(), salt->size(), iterCount, key.size(), (uchar*)key.data());
*result = std::make_shared<MTP::AuthKey>(key);
}
struct FileReadDescriptor {
int32 version = 0;
QByteArray data;
QBuffer buffer;
QDataStream stream;
~FileReadDescriptor() {
if (version) {
stream.setDevice(0);
if (buffer.isOpen()) buffer.close();
buffer.setBuffer(0);
}
}
};
struct EncryptedDescriptor {
EncryptedDescriptor() {
}
EncryptedDescriptor(uint32 size) {
uint32 fullSize = sizeof(uint32) + size;
if (fullSize & 0x0F) fullSize += 0x10 - (fullSize & 0x0F);
data.reserve(fullSize);
data.resize(sizeof(uint32));
buffer.setBuffer(&data);
buffer.open(QIODevice::WriteOnly);
buffer.seek(sizeof(uint32));
stream.setDevice(&buffer);
stream.setVersion(QDataStream::Qt_5_1);
}
QByteArray data;
QBuffer buffer;
QDataStream stream;
void finish() {
if (stream.device()) stream.setDevice(0);
if (buffer.isOpen()) buffer.close();
buffer.setBuffer(0);
}
~EncryptedDescriptor() {
finish();
}
};
struct FileWriteDescriptor {
FileWriteDescriptor(const FileKey &key, FileOptions options = FileOption::User | FileOption::Safe) {
init(toFilePart(key), options);
}
FileWriteDescriptor(const QString &name, FileOptions options = FileOption::User | FileOption::Safe) {
init(name, options);
}
void init(const QString &name, FileOptions options) {
if (options & FileOption::User) {
if (!_userWorking()) return;
} else {
if (!_working()) return;
}
// detect order of read attempts and file version
QString toTry[2];
toTry[0] = ((options & FileOption::User) ? _userBasePath : _basePath) + name + '0';
if (options & FileOption::Safe) {
toTry[1] = ((options & FileOption::User) ? _userBasePath : _basePath) + name + '1';
QFileInfo toTry0(toTry[0]);
QFileInfo toTry1(toTry[1]);
if (toTry0.exists()) {
if (toTry1.exists()) {
QDateTime mod0 = toTry0.lastModified(), mod1 = toTry1.lastModified();
if (mod0 > mod1) {
qSwap(toTry[0], toTry[1]);
}
} else {
qSwap(toTry[0], toTry[1]);
}
toDelete = toTry[1];
} else if (toTry1.exists()) {
toDelete = toTry[1];
}
}
file.setFileName(toTry[0]);
if (file.open(QIODevice::WriteOnly)) {
file.write(tdfMagic, tdfMagicLen);
qint32 version = AppVersion;
file.write((const char*)&version, sizeof(version));
stream.setDevice(&file);
stream.setVersion(QDataStream::Qt_5_1);
}
}
bool writeData(const QByteArray &data) {
if (!file.isOpen()) return false;
stream << data;
quint32 len = data.isNull() ? 0xffffffff : data.size();
if (QSysInfo::ByteOrder != QSysInfo::BigEndian) {
len = qbswap(len);
}
md5.feed(&len, sizeof(len));
md5.feed(data.constData(), data.size());
dataSize += sizeof(len) + data.size();
return true;
}
static QByteArray prepareEncrypted(EncryptedDescriptor &data, const MTP::AuthKeyPtr &key = LocalKey) {
data.finish();
QByteArray &toEncrypt(data.data);
// prepare for encryption
uint32 size = toEncrypt.size(), fullSize = size;
if (fullSize & 0x0F) {
fullSize += 0x10 - (fullSize & 0x0F);
toEncrypt.resize(fullSize);
memset_rand(toEncrypt.data() + size, fullSize - size);
}
*(uint32*)toEncrypt.data() = size;
QByteArray encrypted(0x10 + fullSize, Qt::Uninitialized); // 128bit of sha1 - key128, sizeof(data), data
hashSha1(toEncrypt.constData(), toEncrypt.size(), encrypted.data());
MTP::aesEncryptLocal(toEncrypt.constData(), encrypted.data() + 0x10, fullSize, key, encrypted.constData());
return encrypted;
}
bool writeEncrypted(EncryptedDescriptor &data, const MTP::AuthKeyPtr &key = LocalKey) {
return writeData(prepareEncrypted(data, key));
}
void finish() {
if (!file.isOpen()) return;
stream.setDevice(0);
md5.feed(&dataSize, sizeof(dataSize));
qint32 version = AppVersion;
md5.feed(&version, sizeof(version));
md5.feed(tdfMagic, tdfMagicLen);
file.write((const char*)md5.result(), 0x10);
file.close();
if (!toDelete.isEmpty()) {
QFile::remove(toDelete);
}
}
QFile file;
QDataStream stream;
QString toDelete;
HashMd5 md5;
int32 dataSize = 0;
~FileWriteDescriptor() {
finish();
}
};
bool readFile(FileReadDescriptor &result, const QString &name, FileOptions options = FileOption::User | FileOption::Safe) {
if (options & FileOption::User) {
if (!_userWorking()) return false;
} else {
if (!_working()) return false;
}
// detect order of read attempts
QString toTry[2];
toTry[0] = ((options & FileOption::User) ? _userBasePath : _basePath) + name + '0';
if (options & FileOption::Safe) {
QFileInfo toTry0(toTry[0]);
if (toTry0.exists()) {
toTry[1] = ((options & FileOption::User) ? _userBasePath : _basePath) + name + '1';
QFileInfo toTry1(toTry[1]);
if (toTry1.exists()) {
QDateTime mod0 = toTry0.lastModified(), mod1 = toTry1.lastModified();
if (mod0 < mod1) {
qSwap(toTry[0], toTry[1]);
}
} else {
toTry[1] = QString();
}
} else {
toTry[0][toTry[0].size() - 1] = '1';
}
}
for (int32 i = 0; i < 2; ++i) {
QString fname(toTry[i]);
if (fname.isEmpty()) break;
QFile f(fname);
if (!f.open(QIODevice::ReadOnly)) {
DEBUG_LOG(("App Info: failed to open '%1' for reading").arg(name));
continue;
}
// check magic
char magic[tdfMagicLen];
if (f.read(magic, tdfMagicLen) != tdfMagicLen) {
DEBUG_LOG(("App Info: failed to read magic from '%1'").arg(name));
continue;
}
if (memcmp(magic, tdfMagic, tdfMagicLen)) {
DEBUG_LOG(("App Info: bad magic %1 in '%2'").arg(Logs::mb(magic, tdfMagicLen).str()).arg(name));
continue;
}
// read app version
qint32 version;
if (f.read((char*)&version, sizeof(version)) != sizeof(version)) {
DEBUG_LOG(("App Info: failed to read version from '%1'").arg(name));
continue;
}
if (version > AppVersion) {
DEBUG_LOG(("App Info: version too big %1 for '%2', my version %3").arg(version).arg(name).arg(AppVersion));
continue;
}
// read data
QByteArray bytes = f.read(f.size());
int32 dataSize = bytes.size() - 16;
if (dataSize < 0) {
DEBUG_LOG(("App Info: bad file '%1', could not read sign part").arg(name));
continue;
}
// check signature
HashMd5 md5;
md5.feed(bytes.constData(), dataSize);
md5.feed(&dataSize, sizeof(dataSize));
md5.feed(&version, sizeof(version));
md5.feed(magic, tdfMagicLen);
if (memcmp(md5.result(), bytes.constData() + dataSize, 16)) {
DEBUG_LOG(("App Info: bad file '%1', signature did not match").arg(name));
continue;
}
bytes.resize(dataSize);
result.data = bytes;
bytes = QByteArray();
result.version = version;
result.buffer.setBuffer(&result.data);
result.buffer.open(QIODevice::ReadOnly);
result.stream.setDevice(&result.buffer);
result.stream.setVersion(QDataStream::Qt_5_1);
if ((i == 0 && !toTry[1].isEmpty()) || i == 1) {
QFile::remove(toTry[1 - i]);
}
return true;
}
return false;
}
bool decryptLocal(EncryptedDescriptor &result, const QByteArray &encrypted, const MTP::AuthKeyPtr &key = LocalKey) {
if (encrypted.size() <= 16 || (encrypted.size() & 0x0F)) {
LOG(("App Error: bad encrypted part size: %1").arg(encrypted.size()));
return false;
}
uint32 fullLen = encrypted.size() - 16;
QByteArray decrypted;
decrypted.resize(fullLen);
const char *encryptedKey = encrypted.constData(), *encryptedData = encrypted.constData() + 16;
aesDecryptLocal(encryptedData, decrypted.data(), fullLen, key, encryptedKey);
uchar sha1Buffer[20];
if (memcmp(hashSha1(decrypted.constData(), decrypted.size(), sha1Buffer), encryptedKey, 16)) {
LOG(("App Info: bad decrypt key, data not decrypted - incorrect password?"));
return false;
}
uint32 dataLen = *(const uint32*)decrypted.constData();
if (dataLen > uint32(decrypted.size()) || dataLen <= fullLen - 16 || dataLen < sizeof(uint32)) {
LOG(("App Error: bad decrypted part size: %1, fullLen: %2, decrypted size: %3").arg(dataLen).arg(fullLen).arg(decrypted.size()));
return false;
}
decrypted.resize(dataLen);
result.data = decrypted;
decrypted = QByteArray();
result.buffer.setBuffer(&result.data);
result.buffer.open(QIODevice::ReadOnly);
result.buffer.seek(sizeof(uint32)); // skip len
result.stream.setDevice(&result.buffer);
result.stream.setVersion(QDataStream::Qt_5_1);
return true;
}
bool readEncryptedFile(FileReadDescriptor &result, const QString &name, FileOptions options = FileOption::User | FileOption::Safe, const MTP::AuthKeyPtr &key = LocalKey) {
if (!readFile(result, name, options)) {
return false;
}
QByteArray encrypted;
result.stream >> encrypted;
EncryptedDescriptor data;
if (!decryptLocal(data, encrypted, key)) {
result.stream.setDevice(0);
if (result.buffer.isOpen()) result.buffer.close();
result.buffer.setBuffer(0);
result.data = QByteArray();
result.version = 0;
return false;
}
result.stream.setDevice(0);
if (result.buffer.isOpen()) result.buffer.close();
result.buffer.setBuffer(0);
result.data = data.data;
result.buffer.setBuffer(&result.data);
result.buffer.open(QIODevice::ReadOnly);
result.buffer.seek(data.buffer.pos());
result.stream.setDevice(&result.buffer);
result.stream.setVersion(QDataStream::Qt_5_1);
return true;
}
bool readEncryptedFile(FileReadDescriptor &result, const FileKey &fkey, FileOptions options = FileOption::User | FileOption::Safe, const MTP::AuthKeyPtr &key = LocalKey) {
return readEncryptedFile(result, toFilePart(fkey), options, key);
}
FileKey _dataNameKey = 0;
enum { // Local Storage Keys
lskUserMap = 0x00,
lskDraft = 0x01, // data: PeerId peer
lskDraftPosition = 0x02, // data: PeerId peer
lskImages = 0x03, // data: StorageKey location
lskLocations = 0x04, // no data
lskStickerImages = 0x05, // data: StorageKey location
lskAudios = 0x06, // data: StorageKey location
lskRecentStickersOld = 0x07, // no data
lskBackgroundOld = 0x08, // no data
lskUserSettings = 0x09, // no data
lskRecentHashtagsAndBots = 0x0a, // no data
lskStickersOld = 0x0b, // no data
lskSavedPeers = 0x0c, // no data
lskReportSpamStatuses = 0x0d, // no data
lskSavedGifsOld = 0x0e, // no data
lskSavedGifs = 0x0f, // no data
lskStickersKeys = 0x10, // no data
lskTrustedBots = 0x11, // no data
lskFavedStickers = 0x12, // no data
lskExportSettings = 0x13, // no data
lskBackground = 0x14, // no data
lskSelfSerialized = 0x15, // serialized self
};
enum {
dbiKey = 0x00,
dbiUser = 0x01,
dbiDcOptionOldOld = 0x02,
dbiChatSizeMax = 0x03,
dbiMutePeer = 0x04,
dbiSendKeyOld = 0x05,
dbiAutoStart = 0x06,
dbiStartMinimized = 0x07,
dbiSoundNotify = 0x08,
dbiWorkMode = 0x09,
dbiSeenTrayTooltip = 0x0a,
dbiDesktopNotify = 0x0b,
dbiAutoUpdate = 0x0c,
dbiLastUpdateCheck = 0x0d,
dbiWindowPosition = 0x0e,
dbiConnectionTypeOld = 0x0f,
// 0x10 reserved
dbiDefaultAttach = 0x11,
dbiCatsAndDogs = 0x12,
dbiReplaceEmoji = 0x13,
dbiAskDownloadPath = 0x14,
dbiDownloadPathOld = 0x15,
dbiScaleOld = 0x16,
dbiEmojiTabOld = 0x17,
dbiRecentEmojiOldOld = 0x18,
dbiLoggedPhoneNumber = 0x19,
dbiMutedPeers = 0x1a,
// 0x1b reserved
dbiNotifyView = 0x1c,
dbiSendToMenu = 0x1d,
dbiCompressPastedImage = 0x1e,
dbiLangOld = 0x1f,
dbiLangFileOld = 0x20,
dbiTileBackgroundOld = 0x21,
dbiAutoLock = 0x22,
dbiDialogLastPath = 0x23,
dbiRecentEmojiOld = 0x24,
dbiEmojiVariantsOld = 0x25,
dbiRecentStickers = 0x26,
dbiDcOptionOld = 0x27,
dbiTryIPv6 = 0x28,
dbiSongVolume = 0x29,
dbiWindowsNotificationsOld = 0x30,
dbiIncludeMutedOld = 0x31,
dbiMegagroupSizeMax = 0x32,
dbiDownloadPath = 0x33,
dbiAutoDownload = 0x34,
dbiSavedGifsLimit = 0x35,
dbiShowingSavedGifsOld = 0x36,
dbiAutoPlay = 0x37,
dbiAdaptiveForWide = 0x38,
dbiHiddenPinnedMessages = 0x39,
dbiRecentEmoji = 0x3a,
dbiEmojiVariants = 0x3b,
dbiDialogsMode = 0x40,
dbiModerateMode = 0x41,
dbiVideoVolume = 0x42,
dbiStickersRecentLimit = 0x43,
dbiNativeNotifications = 0x44,
dbiNotificationsCount = 0x45,
dbiNotificationsCorner = 0x46,
dbiThemeKeyOld = 0x47,
dbiDialogsWidthRatioOld = 0x48,
dbiUseExternalVideoPlayer = 0x49,
dbiDcOptions = 0x4a,
dbiMtpAuthorization = 0x4b,
dbiLastSeenWarningSeenOld = 0x4c,
dbiAuthSessionSettings = 0x4d,
dbiLangPackKey = 0x4e,
dbiConnectionType = 0x4f,
dbiStickersFavedLimit = 0x50,
dbiSuggestStickersByEmoji = 0x51,
dbiSuggestEmoji = 0x52,
dbiTxtDomainString = 0x53,
dbiThemeKey = 0x54,
dbiTileBackground = 0x55,
dbiCacheSettings = 0x56,
dbiAnimationsDisabled = 0x57,
dbiScalePercent = 0x58,
dbiPlaybackSpeed = 0x59,
dbiLanguagesKey = 0x5a,
dbiEncryptedWithSalt = 333,
dbiEncrypted = 444,
// 500-600 reserved
dbiVersion = 666,
};
enum {
dbictAuto = 0,
dbictHttpAuto = 1, // not used
dbictHttpProxy = 2,
dbictTcpProxy = 3,
dbictProxiesListOld = 4,
dbictProxiesList = 5,
};
typedef QMap<PeerId, FileKey> DraftsMap;
DraftsMap _draftsMap, _draftCursorsMap;
typedef QMap<PeerId, bool> DraftsNotReadMap;
DraftsNotReadMap _draftsNotReadMap;
typedef QPair<FileKey, qint32> FileDesc; // file, size
typedef QMultiMap<MediaKey, FileLocation> FileLocations;
FileLocations _fileLocations;
typedef QPair<MediaKey, FileLocation> FileLocationPair;
typedef QMap<QString, FileLocationPair> FileLocationPairs;
FileLocationPairs _fileLocationPairs;
typedef QMap<MediaKey, MediaKey> FileLocationAliases;
FileLocationAliases _fileLocationAliases;
FileKey _locationsKey = 0, _reportSpamStatusesKey = 0, _trustedBotsKey = 0;
using TrustedBots = OrderedSet<uint64>;
TrustedBots _trustedBots;
bool _trustedBotsRead = false;
FileKey _recentStickersKeyOld = 0;
FileKey _installedStickersKey = 0, _featuredStickersKey = 0, _recentStickersKey = 0, _favedStickersKey = 0, _archivedStickersKey = 0;
FileKey _savedGifsKey = 0;
FileKey _backgroundKeyDay = 0;
FileKey _backgroundKeyNight = 0;
bool _backgroundCanWrite = true;
FileKey _themeKeyDay = 0;
FileKey _themeKeyNight = 0;
// Theme key legacy may be read in start() with settings.
// But it should be moved to keyDay or keyNight inside loadTheme()
// and never used after.
FileKey _themeKeyLegacy = 0;
bool _readingUserSettings = false;
FileKey _userSettingsKey = 0;
FileKey _recentHashtagsAndBotsKey = 0;
bool _recentHashtagsAndBotsWereRead = false;
qint64 _cacheTotalSizeLimit = Database::Settings().totalSizeLimit;
qint32 _cacheTotalTimeLimit = Database::Settings().totalTimeLimit;
FileKey _exportSettingsKey = 0;
FileKey _savedPeersKey = 0;
FileKey _langPackKey = 0;
FileKey _languagesKey = 0;
bool _mapChanged = false;
int32 _oldMapVersion = 0, _oldSettingsVersion = 0;
enum class WriteMapWhen {
Now,
Fast,
Soon,
};
std::unique_ptr<AuthSessionSettings> StoredAuthSessionCache;
AuthSessionSettings &GetStoredAuthSessionCache() {
if (!StoredAuthSessionCache) {
StoredAuthSessionCache = std::make_unique<AuthSessionSettings>();
}
return *StoredAuthSessionCache;
}
void _writeMap(WriteMapWhen when = WriteMapWhen::Soon);
void _writeLocations(WriteMapWhen when = WriteMapWhen::Soon) {
if (when != WriteMapWhen::Now) {
_manager->writeLocations(when == WriteMapWhen::Fast);
return;
}
if (!_working()) return;
_manager->writingLocations();
if (_fileLocations.isEmpty()) {
if (_locationsKey) {
clearKey(_locationsKey);
_locationsKey = 0;
_mapChanged = true;
_writeMap();
}
} else {
if (!_locationsKey) {
_locationsKey = genKey();
_mapChanged = true;
_writeMap(WriteMapWhen::Fast);
}
quint32 size = 0;
for (FileLocations::const_iterator i = _fileLocations.cbegin(), e = _fileLocations.cend(); i != e; ++i) {
// location + type + namelen + name
size += sizeof(quint64) * 2 + sizeof(quint32) + Serialize::stringSize(i.value().name());
if (AppVersion > 9013) {
// bookmark
size += Serialize::bytearraySize(i.value().bookmark());
}
// date + size
size += Serialize::dateTimeSize() + sizeof(quint32);
}
//end mark
size += sizeof(quint64) * 2 + sizeof(quint32) + Serialize::stringSize(QString());
if (AppVersion > 9013) {
size += Serialize::bytearraySize(QByteArray());
}
size += Serialize::dateTimeSize() + sizeof(quint32);
size += sizeof(quint32); // aliases count
for (FileLocationAliases::const_iterator i = _fileLocationAliases.cbegin(), e = _fileLocationAliases.cend(); i != e; ++i) {
// alias + location
size += sizeof(quint64) * 2 + sizeof(quint64) * 2;
}
EncryptedDescriptor data(size);
auto legacyTypeField = 0;
for (FileLocations::const_iterator i = _fileLocations.cbegin(); i != _fileLocations.cend(); ++i) {
data.stream << quint64(i.key().first) << quint64(i.key().second) << quint32(legacyTypeField) << i.value().name();
if (AppVersion > 9013) {
data.stream << i.value().bookmark();
}
data.stream << i.value().modified << quint32(i.value().size);
}
data.stream << quint64(0) << quint64(0) << quint32(0) << QString();
if (AppVersion > 9013) {
data.stream << QByteArray();
}
data.stream << QDateTime::currentDateTime() << quint32(0);
data.stream << quint32(_fileLocationAliases.size());
for (FileLocationAliases::const_iterator i = _fileLocationAliases.cbegin(), e = _fileLocationAliases.cend(); i != e; ++i) {
data.stream << quint64(i.key().first) << quint64(i.key().second) << quint64(i.value().first) << quint64(i.value().second);
}
FileWriteDescriptor file(_locationsKey);
file.writeEncrypted(data);
}
}
void _readLocations() {
FileReadDescriptor locations;
if (!readEncryptedFile(locations, _locationsKey)) {
clearKey(_locationsKey);
_locationsKey = 0;
_writeMap();
return;
}
bool endMarkFound = false;
while (!locations.stream.atEnd()) {
quint64 first, second;
QByteArray bookmark;
FileLocation loc;
quint32 legacyTypeField = 0;
locations.stream >> first >> second >> legacyTypeField >> loc.fname;
if (locations.version > 9013) {
locations.stream >> bookmark;
}
locations.stream >> loc.modified >> loc.size;
loc.setBookmark(bookmark);
if (!first && !second && !legacyTypeField && loc.fname.isEmpty() && !loc.size) { // end mark
endMarkFound = true;
break;
}
MediaKey key(first, second);
_fileLocations.insert(key, loc);
_fileLocationPairs.insert(loc.fname, FileLocationPair(key, loc));
}
if (endMarkFound) {
quint32 cnt;
locations.stream >> cnt;
for (quint32 i = 0; i < cnt; ++i) {
quint64 kfirst, ksecond, vfirst, vsecond;
locations.stream >> kfirst >> ksecond >> vfirst >> vsecond;
_fileLocationAliases.insert(MediaKey(kfirst, ksecond), MediaKey(vfirst, vsecond));
}
if (!locations.stream.atEnd()) {
quint32 webLocationsCount;
locations.stream >> webLocationsCount;
for (quint32 i = 0; i < webLocationsCount; ++i) {
QString url;
quint64 key;
qint32 size;
locations.stream >> url >> key >> size;
clearKey(key, FileOption::User);
}
}
}
}
void _writeReportSpamStatuses() {
if (!_working()) return;
if (cReportSpamStatuses().isEmpty()) {
if (_reportSpamStatusesKey) {
clearKey(_reportSpamStatusesKey);
_reportSpamStatusesKey = 0;
_mapChanged = true;
_writeMap();
}
} else {
if (!_reportSpamStatusesKey) {
_reportSpamStatusesKey = genKey();
_mapChanged = true;
_writeMap(WriteMapWhen::Fast);
}
const ReportSpamStatuses &statuses(cReportSpamStatuses());
quint32 size = sizeof(qint32);
for (ReportSpamStatuses::const_iterator i = statuses.cbegin(), e = statuses.cend(); i != e; ++i) {
// peer + status
size += sizeof(quint64) + sizeof(qint32);
}
EncryptedDescriptor data(size);
data.stream << qint32(statuses.size());
for (ReportSpamStatuses::const_iterator i = statuses.cbegin(), e = statuses.cend(); i != e; ++i) {
data.stream << quint64(i.key()) << qint32(i.value());
}
FileWriteDescriptor file(_reportSpamStatusesKey);
file.writeEncrypted(data);
}
}
void _readReportSpamStatuses() {
FileReadDescriptor statuses;
if (!readEncryptedFile(statuses, _reportSpamStatusesKey)) {
clearKey(_reportSpamStatusesKey);
_reportSpamStatusesKey = 0;
_writeMap();
return;
}
ReportSpamStatuses &map(cRefReportSpamStatuses());
map.clear();
qint32 size = 0;
statuses.stream >> size;
for (int32 i = 0; i < size; ++i) {
quint64 peer = 0;
qint32 status = 0;
statuses.stream >> peer >> status;
map.insert(peer, DBIPeerReportSpamStatus(status));
}
}
struct ReadSettingsContext {
int legacyLanguageId = Lang::kLegacyLanguageNone;
QString legacyLanguageFile;
MTP::DcOptions dcOptions;
};
void applyReadContext(ReadSettingsContext &&context) {
Messenger::Instance().dcOptions()->addFromOther(std::move(context.dcOptions));
if (context.legacyLanguageId != Lang::kLegacyLanguageNone) {
Lang::Current().fillFromLegacy(context.legacyLanguageId, context.legacyLanguageFile);
writeLangPack();
}
}
bool _readSetting(quint32 blockId, QDataStream &stream, int version, ReadSettingsContext &context) {
switch (blockId) {
case dbiDcOptionOldOld: {
quint32 dcId, port;
QString host, ip;
stream >> dcId >> host >> ip >> port;
if (!_checkStreamStatus(stream)) return false;
context.dcOptions.constructAddOne(
dcId,
0,
ip.toStdString(),
port,
{});
} break;
case dbiDcOptionOld: {
quint32 dcIdWithShift, port;
qint32 flags;
QString ip;
stream >> dcIdWithShift >> flags >> ip >> port;
if (!_checkStreamStatus(stream)) return false;
context.dcOptions.constructAddOne(
dcIdWithShift,
MTPDdcOption::Flags::from_raw(flags),
ip.toStdString(),
port,
{});
} break;
case dbiDcOptions: {
auto serialized = QByteArray();
stream >> serialized;
if (!_checkStreamStatus(stream)) return false;
context.dcOptions.constructFromSerialized(serialized);
} break;
case dbiChatSizeMax: {
qint32 maxSize;
stream >> maxSize;
if (!_checkStreamStatus(stream)) return false;
Global::SetChatSizeMax(maxSize);
} break;
case dbiSavedGifsLimit: {
qint32 limit;
stream >> limit;
if (!_checkStreamStatus(stream)) return false;
Global::SetSavedGifsLimit(limit);
} break;
case dbiStickersRecentLimit: {
qint32 limit;
stream >> limit;
if (!_checkStreamStatus(stream)) return false;
Global::SetStickersRecentLimit(limit);
} break;
case dbiStickersFavedLimit: {
qint32 limit;
stream >> limit;
if (!_checkStreamStatus(stream)) return false;
Global::SetStickersFavedLimit(limit);
} break;
case dbiMegagroupSizeMax: {
qint32 maxSize;
stream >> maxSize;
if (!_checkStreamStatus(stream)) return false;
Global::SetMegagroupSizeMax(maxSize);
} break;
case dbiUser: {
quint32 dcId;
qint32 userId;
stream >> userId >> dcId;
if (!_checkStreamStatus(stream)) return false;
DEBUG_LOG(("MTP Info: user found, dc %1, uid %2").arg(dcId).arg(userId));
Messenger::Instance().setMtpMainDcId(dcId);
Messenger::Instance().setAuthSessionUserId(userId);
} break;
case dbiKey: {
qint32 dcId;
stream >> dcId;
auto key = Serialize::read<MTP::AuthKey::Data>(stream);
if (!_checkStreamStatus(stream)) return false;
Messenger::Instance().setMtpKey(dcId, key);
} break;
case dbiMtpAuthorization: {
auto serialized = QByteArray();
stream >> serialized;
if (!_checkStreamStatus(stream)) return false;
Messenger::Instance().setMtpAuthorization(serialized);
} break;
case dbiAutoStart: {
qint32 v;
stream >> v;
if (!_checkStreamStatus(stream)) return false;