src/app/upgrade.cpp

   1 /*
   2  * Bittorrent Client using Qt and libtorrent.
   3  * Copyright (C) 2019  Mike Tzou (Chocobo1)
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version 2
   8  * of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18  *
  19  * In addition, as a special exception, the copyright holders give permission to
  20  * link this program with the OpenSSL project's "OpenSSL" library (or with
  21  * modified versions of it that use the same license as the "OpenSSL" library),
  22  * and distribute the linked executables. You must obey the GNU General Public
  23  * License in all respects for all of the code used other than "OpenSSL".  If you
  24  * modify file(s), you may extend this exception to your version of the file(s),
  25  * but you are not obligated to do so. If you do not wish to do so, delete this
  26  * exception statement from your version.
  27  */
  28
  29 #include "upgrade.h"
  30
  31 #include <QtSystemDetection>
  32 #include <QCoreApplication>
  33 #include <QMetaEnum>
  34
  35 #include "base/bittorrent/sharelimitaction.h"
  36 #include "base/bittorrent/torrentcontentlayout.h"
  37 #include "base/global.h"
  38 #include "base/logger.h"
  39 #include "base/net/proxyconfigurationmanager.h"
  40 #include "base/preferences.h"
  41 #include "base/profile.h"
  42 #include "base/settingsstorage.h"
  43 #include "base/settingvalue.h"
  44 #include "base/utils/io.h"
  45 #include "base/utils/string.h"
  46
  47 namespace
  48 {
  49     const int MIGRATION_VERSION = 8;
  50     const QString MIGRATION_VERSION_KEY = u"Meta/MigrationVersion"_s;
  51
  52     void exportWebUIHttpsFiles()
  53     {
  54         const auto migrate = [](const QString &oldKey, const QString &newKey, const Path &savePath)
  55         {
  56             SettingsStorage *settingsStorage {SettingsStorage::instance()};
  57             const auto oldData {settingsStorage->loadValue<QByteArray>(oldKey)};
  58             const auto newData {settingsStorage->loadValue<QString>(newKey)};
  59             const QString errorMsgFormat {QCoreApplication::translate("Upgrade", "Migrate preferences failed: WebUI https, file: \"%1\", error: \"%2\"")};
  60
  61             if (!newData.isEmpty() || oldData.isEmpty())
  62                 return;
  63
  64             const nonstd::expected<void, QString> result = Utils::IO::saveToFile(savePath, oldData);
  65             if (!result)
  66             {
  67                 LogMsg(errorMsgFormat.arg(savePath.toString(), result.error()) , Log::WARNING);
  68                 return;
  69             }
  70
  71             settingsStorage->storeValue(newKey, savePath);
  72             settingsStorage->removeValue(oldKey);
  73
  74             LogMsg(QCoreApplication::translate("Upgrade", "Migrated preferences: WebUI https, exported data to file: \"%1\"").arg(savePath.toString())
  75                 , Log::INFO);
  76         };
  77
  78         const Path configPath = specialFolderLocation(SpecialFolder::Config);
  79         migrate(u"Preferences/WebUI/HTTPS/Certificate"_s
  80             , u"Preferences/WebUI/HTTPS/CertificatePath"_s
  81             , (configPath / Path(u"WebUICertificate.crt"_s)));
  82         migrate(u"Preferences/WebUI/HTTPS/Key"_s
  83             , u"Preferences/WebUI/HTTPS/KeyPath"_s
  84             , (configPath / Path(u"WebUIPrivateKey.pem"_s)));
  85     }
  86
  87     void upgradeTorrentContentLayout()
  88     {
  89         const QString oldKey = u"BitTorrent/Session/CreateTorrentSubfolder"_s;
  90         const QString newKey = u"BitTorrent/Session/TorrentContentLayout"_s;
  91
  92         SettingsStorage *settingsStorage {SettingsStorage::instance()};
  93         const auto oldData {settingsStorage->loadValue<QVariant>(oldKey)};
  94         const auto newData {settingsStorage->loadValue<QString>(newKey)};
  95
  96         if (!newData.isEmpty() || !oldData.isValid())
  97             return;
  98
  99         const bool createSubfolder = oldData.toBool();
 100         const BitTorrent::TorrentContentLayout torrentContentLayout =
 101                 (createSubfolder ? BitTorrent::TorrentContentLayout::Original : BitTorrent::TorrentContentLayout::NoSubfolder);
 102
 103         settingsStorage->storeValue(newKey, Utils::String::fromEnum(torrentContentLayout));
 104         settingsStorage->removeValue(oldKey);
 105     }
 106
 107     void upgradeListenPortSettings()
 108     {
 109         const auto oldKey = u"BitTorrent/Session/UseRandomPort"_s;
 110         const auto newKey = u"Preferences/Connection/PortRangeMin"_s;
 111         auto *settingsStorage = SettingsStorage::instance();
 112
 113         if (settingsStorage->hasKey(oldKey))
 114         {
 115             if (settingsStorage->loadValue<bool>(oldKey))
 116                 settingsStorage->storeValue(newKey, 0);
 117
 118             settingsStorage->removeValue(oldKey);
 119         }
 120     }
 121
 122     void upgradeSchedulerDaysSettings()
 123     {
 124         auto *settingsStorage = SettingsStorage::instance();
 125         const auto key = u"Preferences/Scheduler/days"_s;
 126         const auto value = settingsStorage->loadValue<QString>(key);
 127
 128         bool ok = false;
 129         const auto number = value.toInt(&ok);
 130
 131         if (ok)
 132         {
 133             switch (number)
 134             {
 135             case 0:
 136                 settingsStorage->storeValue(key, Scheduler::Days::EveryDay);
 137                 break;
 138             case 1:
 139                 settingsStorage->storeValue(key, Scheduler::Days::Weekday);
 140                 break;
 141             case 2:
 142                 settingsStorage->storeValue(key, Scheduler::Days::Weekend);
 143                 break;
 144             case 3:
 145                 settingsStorage->storeValue(key, Scheduler::Days::Monday);
 146                 break;
 147             case 4:
 148                 settingsStorage->storeValue(key, Scheduler::Days::Tuesday);
 149                 break;
 150             case 5:
 151                 settingsStorage->storeValue(key, Scheduler::Days::Wednesday);
 152                 break;
 153             case 6:
 154                 settingsStorage->storeValue(key, Scheduler::Days::Thursday);
 155                 break;
 156             case 7:
 157                 settingsStorage->storeValue(key, Scheduler::Days::Friday);
 158                 break;
 159             case 8:
 160                 settingsStorage->storeValue(key, Scheduler::Days::Saturday);
 161                 break;
 162             case 9:
 163                 settingsStorage->storeValue(key, Scheduler::Days::Sunday);
 164                 break;
 165             default:
 166                 LogMsg(QCoreApplication::translate("Upgrade", "Invalid value found in configuration file, reverting it to default. Key: \"%1\". Invalid value: \"%2\".")
 167                     .arg(key, QString::number(number)), Log::WARNING);
 168                 settingsStorage->removeValue(key);
 169                 break;
 170             }
 171         }
 172     }
 173
 174     void upgradeDNSServiceSettings()
 175     {
 176         auto *settingsStorage = SettingsStorage::instance();
 177         const auto key = u"Preferences/DynDNS/Service"_s;
 178         const auto value = settingsStorage->loadValue<QString>(key);
 179
 180         bool ok = false;
 181         const auto number = value.toInt(&ok);
 182
 183         if (ok)
 184         {
 185             switch (number)
 186             {
 187             case -1:
 188                 settingsStorage->storeValue(key, DNS::Service::None);
 189                 break;
 190             case 0:
 191                 settingsStorage->storeValue(key, DNS::Service::DynDNS);
 192                 break;
 193             case 1:
 194                 settingsStorage->storeValue(key, DNS::Service::NoIP);
 195                 break;
 196             default:
 197                 LogMsg(QCoreApplication::translate("Upgrade", "Invalid value found in configuration file, reverting it to default. Key: \"%1\". Invalid value: \"%2\".")
 198                     .arg(key, QString::number(number)), Log::WARNING);
 199                 settingsStorage->removeValue(key);
 200                 break;
 201             }
 202         }
 203     }
 204
 205     void upgradeTrayIconStyleSettings()
 206     {
 207         auto *settingsStorage = SettingsStorage::instance();
 208         const auto key = u"Preferences/Advanced/TrayIconStyle"_s;
 209         const auto value = settingsStorage->loadValue<QString>(key);
 210
 211         bool ok = false;
 212         const auto number = value.toInt(&ok);
 213
 214         if (ok)
 215         {
 216             switch (number)
 217             {
 218             case 0:
 219                 settingsStorage->storeValue(key, TrayIcon::Style::Normal);
 220                 break;
 221             case 1:
 222                 settingsStorage->storeValue(key, TrayIcon::Style::MonoDark);
 223                 break;
 224             case 2:
 225                 settingsStorage->storeValue(key, TrayIcon::Style::MonoLight);
 226                 break;
 227             default:
 228                 LogMsg(QCoreApplication::translate("Upgrade", "Invalid value found in configuration file, reverting it to default. Key: \"%1\". Invalid value: \"%2\".")
 229                     .arg(key, QString::number(number)), Log::WARNING);
 230                 settingsStorage->removeValue(key);
 231                 break;
 232             }
 233         }
 234     }
 235
 236     void migrateSettingKeys()
 237     {
 238         struct KeyMapping
 239         {
 240             QString newKey;
 241             QString oldKey;
 242         };
 243
 244         const KeyMapping mappings[] =
 245         {
 246             {u"AddNewTorrentDialog/Enabled"_s, u"Preferences/Downloads/NewAdditionDialog"_s},
 247             {u"AddNewTorrentDialog/Expanded"_s, u"AddNewTorrentDialog/expanded"_s},
 248             {u"AddNewTorrentDialog/Position"_s, u"AddNewTorrentDialog/y"_s},
 249             {u"AddNewTorrentDialog/SavePathHistory"_s, u"TorrentAdditionDlg/save_path_history"_s},
 250             {u"AddNewTorrentDialog/TopLevel"_s, u"Preferences/Downloads/NewAdditionDialogFront"_s},
 251             {u"AddNewTorrentDialog/TreeHeaderState"_s, u"AddNewTorrentDialog/qt5/treeHeaderState"_s},
 252             {u"AddNewTorrentDialog/Width"_s, u"AddNewTorrentDialog/width"_s},
 253             {u"BitTorrent/Session/AddExtensionToIncompleteFiles"_s, u"Preferences/Downloads/UseIncompleteExtension"_s},
 254             {u"BitTorrent/Session/AdditionalTrackers"_s, u"Preferences/Bittorrent/TrackersList"_s},
 255             {u"BitTorrent/Session/AddTorrentPaused"_s, u"Preferences/Downloads/StartInPause"_s},
 256             {u"BitTorrent/Session/AddTrackersEnabled"_s, u"Preferences/Bittorrent/AddTrackers"_s},
 257             {u"BitTorrent/Session/AlternativeGlobalDLSpeedLimit"_s, u"Preferences/Connection/GlobalDLLimitAlt"_s},
 258             {u"BitTorrent/Session/AlternativeGlobalUPSpeedLimit"_s, u"Preferences/Connection/GlobalUPLimitAlt"_s},
 259             {u"BitTorrent/Session/AnnounceIP"_s, u"Preferences/Connection/InetAddress"_s},
 260             {u"BitTorrent/Session/AnnounceToAllTrackers"_s, u"Preferences/Advanced/AnnounceToAllTrackers"_s},
 261             {u"BitTorrent/Session/AnonymousModeEnabled"_s, u"Preferences/Advanced/AnonymousMode"_s},
 262             {u"BitTorrent/Session/BandwidthSchedulerEnabled"_s, u"Preferences/Scheduler/Enabled"_s},
 263             {u"BitTorrent/Session/DefaultSavePath"_s, u"Preferences/Downloads/SavePath"_s},
 264             {u"BitTorrent/Session/DHTEnabled"_s, u"Preferences/Bittorrent/DHT"_s},
 265             {u"BitTorrent/Session/DiskCacheSize"_s, u"Preferences/Downloads/DiskWriteCacheSize"_s},
 266             {u"BitTorrent/Session/DiskCacheTTL"_s, u"Preferences/Downloads/DiskWriteCacheTTL"_s},
 267             {u"BitTorrent/Session/Encryption"_s, u"Preferences/Bittorrent/Encryption"_s},
 268             {u"BitTorrent/Session/FinishedTorrentExportDirectory"_s, u"Preferences/Downloads/FinishedTorrentExportDir"_s},
 269             {u"BitTorrent/Session/ForceProxy"_s, u"Preferences/Connection/ProxyForce"_s},
 270             {u"BitTorrent/Session/GlobalDLSpeedLimit"_s, u"Preferences/Connection/GlobalDLLimit"_s},
 271             {u"BitTorrent/Session/GlobalMaxRatio"_s, u"Preferences/Bittorrent/MaxRatio"_s},
 272             {u"BitTorrent/Session/GlobalUPSpeedLimit"_s, u"Preferences/Connection/GlobalUPLimit"_s},
 273             {u"BitTorrent/Session/IgnoreLimitsOnLAN"_s, u"Preferences/Advanced/IgnoreLimitsLAN"_s},
 274             {u"BitTorrent/Session/IgnoreSlowTorrentsForQueueing"_s, u"Preferences/Queueing/IgnoreSlowTorrents"_s},
 275             {u"BitTorrent/Session/IncludeOverheadInLimits"_s, u"Preferences/Advanced/IncludeOverhead"_s},
 276             {u"BitTorrent/Session/Interface"_s, u"Preferences/Connection/Interface"_s},
 277             {u"BitTorrent/Session/InterfaceAddress"_s, u"Preferences/Connection/InterfaceAddress"_s},
 278             {u"BitTorrent/Session/InterfaceName"_s, u"Preferences/Connection/InterfaceName"_s},
 279             {u"BitTorrent/Session/IPFilter"_s, u"Preferences/IPFilter/File"_s},
 280             {u"BitTorrent/Session/IPFilteringEnabled"_s, u"Preferences/IPFilter/Enabled"_s},
 281             {u"BitTorrent/Session/LSDEnabled"_s, u"Preferences/Bittorrent/LSD"_s},
 282             {u"BitTorrent/Session/MaxActiveDownloads"_s, u"Preferences/Queueing/MaxActiveDownloads"_s},
 283             {u"BitTorrent/Session/MaxActiveTorrents"_s, u"Preferences/Queueing/MaxActiveTorrents"_s},
 284             {u"BitTorrent/Session/MaxActiveUploads"_s, u"Preferences/Queueing/MaxActiveUploads"_s},
 285             {u"BitTorrent/Session/MaxConnections"_s, u"Preferences/Bittorrent/MaxConnecs"_s},
 286             {u"BitTorrent/Session/MaxConnectionsPerTorrent"_s, u"Preferences/Bittorrent/MaxConnecsPerTorrent"_s},
 287             {u"BitTorrent/Session/MaxHalfOpenConnections"_s, u"Preferences/Connection/MaxHalfOpenConnec"_s},
 288             {u"BitTorrent/Session/MaxRatioAction"_s, u"Preferences/Bittorrent/MaxRatioAction"_s},
 289             {u"BitTorrent/Session/MaxUploads"_s, u"Preferences/Bittorrent/MaxUploads"_s},
 290             {u"BitTorrent/Session/MaxUploadsPerTorrent"_s, u"Preferences/Bittorrent/MaxUploadsPerTorrent"_s},
 291             {u"BitTorrent/Session/OutgoingPortsMax"_s, u"Preferences/Advanced/OutgoingPortsMax"_s},
 292             {u"BitTorrent/Session/OutgoingPortsMin"_s, u"Preferences/Advanced/OutgoingPortsMin"_s},
 293             {u"BitTorrent/Session/PeXEnabled"_s, u"Preferences/Bittorrent/PeX"_s},
 294             {u"BitTorrent/Session/Port"_s, u"Preferences/Connection/PortRangeMin"_s},
 295             {u"BitTorrent/Session/Preallocation"_s, u"Preferences/Downloads/PreAllocation"_s},
 296             {u"BitTorrent/Session/ProxyPeerConnections"_s, u"Preferences/Connection/ProxyPeerConnections"_s},
 297             {u"BitTorrent/Session/QueueingSystemEnabled"_s, u"Preferences/Queueing/QueueingEnabled"_s},
 298             {u"BitTorrent/Session/RefreshInterval"_s, u"Preferences/General/RefreshInterval"_s},
 299             {u"BitTorrent/Session/SaveResumeDataInterval"_s, u"Preferences/Downloads/SaveResumeDataInterval"_s},
 300             {u"BitTorrent/Session/SuperSeedingEnabled"_s, u"Preferences/Advanced/SuperSeeding"_s},
 301             {u"BitTorrent/Session/TempPath"_s, u"Preferences/Downloads/TempPath"_s},
 302             {u"BitTorrent/Session/TempPathEnabled"_s, u"Preferences/Downloads/TempPathEnabled"_s},
 303             {u"BitTorrent/Session/TorrentExportDirectory"_s, u"Preferences/Downloads/TorrentExportDir"_s},
 304             {u"BitTorrent/Session/TrackerFilteringEnabled"_s, u"Preferences/IPFilter/FilterTracker"_s},
 305             {u"BitTorrent/Session/UseAlternativeGlobalSpeedLimit"_s, u"Preferences/Connection/alt_speeds_on"_s},
 306             {u"BitTorrent/Session/UseOSCache"_s, u"Preferences/Advanced/osCache"_s},
 307             {u"BitTorrent/Session/UseRandomPort"_s, u"Preferences/General/UseRandomPort"_s},
 308             {u"BitTorrent/Session/uTPEnabled"_s, u"Preferences/Bittorrent/uTP"_s},
 309             {u"BitTorrent/Session/uTPRateLimited"_s, u"Preferences/Bittorrent/uTP_rate_limited"_s},
 310             {u"BitTorrent/TrackerEnabled"_s, u"Preferences/Advanced/trackerEnabled"_s},
 311             {u"Network/PortForwardingEnabled"_s, u"Preferences/Connection/UPnP"_s},
 312             {u"Network/Proxy/Authentication"_s, u"Preferences/Connection/Proxy/Authentication"_s},
 313             {u"Network/Proxy/IP"_s, u"Preferences/Connection/Proxy/IP"_s},
 314             {u"Network/Proxy/OnlyForTorrents"_s, u"Preferences/Connection/ProxyOnlyForTorrents"_s},
 315             {u"Network/Proxy/Password"_s, u"Preferences/Connection/Proxy/Password"_s},
 316             {u"Network/Proxy/Port"_s, u"Preferences/Connection/Proxy/Port"_s},
 317             {u"Network/Proxy/Type"_s, u"Preferences/Connection/ProxyType"_s},
 318             {u"Network/Proxy/Username"_s, u"Preferences/Connection/Proxy/Username"_s},
 319             {u"State/BannedIPs"_s, u"Preferences/IPFilter/BannedIPs"_s}
 320         };
 321
 322         auto *settingsStorage = SettingsStorage::instance();
 323         for (const KeyMapping &mapping : mappings)
 324         {
 325             if (settingsStorage->hasKey(mapping.oldKey))
 326             {
 327                 const auto value = settingsStorage->loadValue<QVariant>(mapping.oldKey);
 328                 settingsStorage->storeValue(mapping.newKey, value);
 329                 // TODO: Remove oldKey after ~v4.4.3 and bump migration version
 330             }
 331         }
 332     }
 333
 334     void migrateProxySettingsEnum()
 335     {
 336         auto *settingsStorage = SettingsStorage::instance();
 337         const auto key = u"Network/Proxy/Type"_s;
 338         const auto value = settingsStorage->loadValue<QString>(key);
 339
 340         bool ok = false;
 341         const auto number = value.toInt(&ok);
 342
 343         if (ok)
 344         {
 345             switch (number)
 346             {
 347             case 0:
 348                 settingsStorage->storeValue(key, Net::ProxyType::None);
 349                 break;
 350             case 1:
 351                 settingsStorage->storeValue(key, Net::ProxyType::HTTP);
 352                 break;
 353             case 2:
 354                 settingsStorage->storeValue(key, Net::ProxyType::SOCKS5);
 355                 break;
 356             case 3:
 357                 settingsStorage->storeValue(key, u"HTTP_PW"_s);
 358                 break;
 359             case 4:
 360                 settingsStorage->storeValue(key, u"SOCKS5_PW"_s);
 361                 break;
 362             case 5:
 363                 settingsStorage->storeValue(key, Net::ProxyType::SOCKS4);
 364                 break;
 365             default:
 366                 LogMsg(QCoreApplication::translate("Upgrade", "Invalid value found in configuration file, reverting it to default. Key: \"%1\". Invalid value: \"%2\".")
 367                         .arg(key, QString::number(number)), Log::WARNING);
 368                 settingsStorage->removeValue(key);
 369                 break;
 370             }
 371         }
 372     }
 373
 374     void migrateProxySettings()
 375     {
 376         auto *settingsStorage = SettingsStorage::instance();
 377         const auto proxyType = settingsStorage->loadValue<QString>(u"Network/Proxy/Type"_s, u"None"_s);
 378         const auto onlyForTorrents = settingsStorage->loadValue<bool>(u"Network/Proxy/OnlyForTorrents"_s)
 379                 || (proxyType == u"SOCKS4");
 380
 381         settingsStorage->storeValue(u"Network/Proxy/Profiles/BitTorrent"_s, true);
 382         settingsStorage->storeValue(u"Network/Proxy/Profiles/RSS"_s, !onlyForTorrents);
 383         settingsStorage->storeValue(u"Network/Proxy/Profiles/Misc"_s, !onlyForTorrents);
 384
 385         if (proxyType == u"HTTP_PW"_s)
 386         {
 387             settingsStorage->storeValue(u"Network/Proxy/Type"_s, Net::ProxyType::HTTP);
 388             settingsStorage->storeValue(u"Network/Proxy/AuthEnabled"_s, true);
 389         }
 390         else if (proxyType == u"SOCKS5_PW"_s)
 391         {
 392             settingsStorage->storeValue(u"Network/Proxy/Type"_s, Net::ProxyType::SOCKS5);
 393             settingsStorage->storeValue(u"Network/Proxy/AuthEnabled"_s, true);
 394         }
 395
 396         settingsStorage->removeValue(u"Network/Proxy/OnlyForTorrents"_s);
 397
 398         const auto proxyHostnameLookup = settingsStorage->loadValue<bool>(u"BitTorrent/Session/ProxyHostnameLookup"_s);
 399         settingsStorage->storeValue(u"Network/Proxy/HostnameLookupEnabled"_s, proxyHostnameLookup);
 400         settingsStorage->removeValue(u"BitTorrent/Session/ProxyHostnameLookup"_s);
 401     }
 402
 403 #ifdef Q_OS_WIN
 404     void migrateMemoryPrioritySettings()
 405     {
 406         auto *settingsStorage = SettingsStorage::instance();
 407         const QString oldKey = u"BitTorrent/OSMemoryPriority"_s;
 408         const QString newKey = u"Application/ProcessMemoryPriority"_s;
 409
 410         if (settingsStorage->hasKey(oldKey))
 411         {
 412             const auto value = settingsStorage->loadValue<QVariant>(oldKey);
 413             settingsStorage->storeValue(newKey, value);
 414         }
 415     }
 416 #endif
 417
 418     void migrateStartupWindowState()
 419     {
 420         auto *settingsStorage = SettingsStorage::instance();
 421         if (settingsStorage->hasKey(u"Preferences/General/StartMinimized"_s))
 422         {
 423             const auto startMinimized = settingsStorage->loadValue<bool>(u"Preferences/General/StartMinimized"_s);
 424             const auto minimizeToTray = settingsStorage->loadValue<bool>(u"Preferences/General/MinimizeToTray"_s);
 425             const QString windowState = startMinimized ? (minimizeToTray ? u"Hidden"_s : u"Minimized"_s) : u"Normal"_s;
 426             settingsStorage->storeValue(u"GUI/StartUpWindowState"_s, windowState);
 427         }
 428     }
 429
 430     void migrateChineseLocale()
 431     {
 432         auto *settingsStorage = SettingsStorage::instance();
 433         const auto key = u"Preferences/General/Locale"_s;
 434         if (settingsStorage->hasKey(key))
 435         {
 436             const auto locale = settingsStorage->loadValue<QString>(key);
 437             if (locale.compare(u"zh"_s, Qt::CaseInsensitive) == 0)
 438                 settingsStorage->storeValue(key, u"zh_CN"_s);
 439         }
 440     }
 441
 442     void migrateShareLimitActionSettings()
 443     {
 444         auto *settingsStorage = SettingsStorage::instance();
 445         const auto oldKey = u"BitTorrent/Session/MaxRatioAction"_s;
 446         const auto newKey = u"BitTorrent/Session/ShareLimitAction"_s;
 447         const auto value = settingsStorage->loadValue<int>(oldKey);
 448
 449         switch (value)
 450         {
 451         case 0:
 452             settingsStorage->storeValue(newKey, BitTorrent::ShareLimitAction::Stop);
 453             break;
 454         case 1:
 455             settingsStorage->storeValue(newKey, BitTorrent::ShareLimitAction::Remove);
 456             break;
 457         case 2:
 458             settingsStorage->storeValue(newKey, BitTorrent::ShareLimitAction::EnableSuperSeeding);
 459             break;
 460         case 3:
 461             settingsStorage->storeValue(newKey, BitTorrent::ShareLimitAction::RemoveWithContent);
 462             break;
 463         default:
 464             LogMsg(QCoreApplication::translate("Upgrade", "Invalid value found in configuration file, reverting it to default. Key: \"%1\". Invalid value: \"%2\".")
 465                     .arg(oldKey, QString::number(value)), Log::WARNING);
 466             break;
 467         }
 468
 469         settingsStorage->removeValue(oldKey);
 470     }
 471
 472     void migrateAddPausedSetting()
 473     {
 474         auto *settingsStorage = SettingsStorage::instance();
 475         const auto oldKey = u"BitTorrent/Session/AddTorrentPaused"_s;
 476         const auto newKey = u"BitTorrent/Session/AddTorrentStopped"_s;
 477
 478         settingsStorage->storeValue(newKey, settingsStorage->loadValue<bool>(oldKey));
 479         settingsStorage->removeValue(oldKey);
 480     }
 481 }
 482
 483 bool upgrade()
 484 {
 485     CachedSettingValue<int> version {MIGRATION_VERSION_KEY, 0};
 486
 487     if (version != MIGRATION_VERSION)
 488     {
 489         if (version < 1)
 490         {
 491             exportWebUIHttpsFiles();
 492             upgradeTorrentContentLayout();
 493             upgradeListenPortSettings();
 494             upgradeSchedulerDaysSettings();
 495             upgradeDNSServiceSettings();
 496             upgradeTrayIconStyleSettings();
 497         }
 498
 499         if (version < 2)
 500             migrateSettingKeys();
 501
 502         if (version < 3)
 503             migrateProxySettingsEnum();
 504
 505 #ifdef Q_OS_WIN
 506         if (version < 4)
 507             migrateMemoryPrioritySettings();
 508 #endif
 509
 510         if (version < 5)
 511         {
 512             migrateStartupWindowState();
 513             migrateChineseLocale();
 514         }
 515
 516         if (version < 6)
 517             migrateProxySettings();
 518
 519         if (version < 7)
 520             migrateShareLimitActionSettings();
 521
 522         if (version < 8)
 523             migrateAddPausedSetting();
 524
 525         version = MIGRATION_VERSION;
 526     }
 527
 528     return true;
 529 }
 530
 531 void setCurrentMigrationVersion()
 532 {
 533     SettingsStorage::instance()->storeValue(MIGRATION_VERSION_KEY, MIGRATION_VERSION);
 534 }
 535
 536 void handleChangedDefaults(const DefaultPreferencesMode mode)
 537 {
 538     struct DefaultValue
 539     {
 540         QString name;
 541         QVariant legacy;
 542         QVariant current;
 543     };
 544
 545     const DefaultValue changedDefaults[] =
 546     {
 547         {u"BitTorrent/Session/QueueingSystemEnabled"_s, true, false}
 548     };
 549
 550     auto *settingsStorage = SettingsStorage::instance();
 551     for (const DefaultValue &value : changedDefaults)
 552     {
 553         if (!settingsStorage->hasKey(value.name))
 554         {
 555             settingsStorage->storeValue(value.name
 556                 , (mode == DefaultPreferencesMode::Legacy ? value.legacy : value.current));
 557         }
 558     }
 559 }