/// <summary>
/// Import or migrate a character.
/// </summary>
/// <returns>the result</returns>
public static ImportAndMigrateResult ImportAndMigrate(PackageMetadata metadata, byte[] importBytes = null)
{
if ((metadata.PackageType == PackageType.Backup && !TransferConfigManager.Config.AllowImport) || (metadata.PackageType == PackageType.Migrate && !TransferConfigManager.Config.AllowMigrate))
{
return(new ImportAndMigrateResult()
{
FailReason = ImportAndMigrateFailiureReason.OperationNotAllowed
});
}
metadata.NewCharacterName = metadata.NewCharacterName.Trim();
if (metadata.NewCharacterName.Length < GameConfiguration.CharacterNameMinimumLength || metadata.NewCharacterName.Length > GameConfiguration.CharacterNameMaximumLength)
{
return(new ImportAndMigrateResult()
{
FailReason = ImportAndMigrateFailiureReason.NameTooShortOrTooLong
});
}
if (TransferManagerUtil.StringContainsInvalidChars(GameConfiguration.AllowedCharacterNameCharacters, metadata.NewCharacterName))
{
return(new ImportAndMigrateResult()
{
FailReason = ImportAndMigrateFailiureReason.NameContainsInvalidCharacters
});
}
bool NameIsGood = false;
ManualResetEvent mre = new ManualResetEvent(false);
DatabaseManager.Shard.IsCharacterNameAvailable(metadata.NewCharacterName, isAvailable =>
{
NameIsGood = isAvailable;
mre.Set();
});
mre.WaitOne();
if (!NameIsGood)
{
return(new ImportAndMigrateResult()
{
FailReason = ImportAndMigrateFailiureReason.NameIsUnavailable
});
}
// TO-DO: restricted and weenie name matching
if (DatManager.PortalDat.TabooTable.ContainsBadWord(metadata.NewCharacterName))
{
return(new ImportAndMigrateResult()
{
FailReason = ImportAndMigrateFailiureReason.NameIsNaughty
});
}
mre = new ManualResetEvent(false);
bool slotCheck = false;
DatabaseManager.Shard.GetCharacters(metadata.AccountId, false, new Action <List <Character> >((chars) =>
{
slotCheck = chars.Count + 1 <= GameConfiguration.SlotCount;
mre.Set();
}));
mre.WaitOne();
if (!slotCheck)
{
return(new ImportAndMigrateResult()
{
FailReason = ImportAndMigrateFailiureReason.NoCharacterSlotsAvailable
});
}
string selectedMigrationSourceThumb = null;
CharacterMigrationDownloadResponseModel snapshotPack = null;
CharacterTransfer xfer = null;
if (importBytes == null)
{
mre = new ManualResetEvent(false);
DatabaseManager.Shard.GetCharacterTransfers((xfers) =>
{
xfer = xfers.FirstOrDefault(k => k.Cookie == metadata.Cookie);
mre.Set();
});
mre.WaitOne();
if (xfer != null)
{
// don't fail here, prevents inter-account same-server transfers and name changes
// return new ImportAndMigrateResult() { FailReason = ImportAndMigrateFailiureReason.CookieAlreadyUsed };
}
// try to verify we trust the server before downloading package, since migrations cause source server to delete the original char upon download of the package
string unverifiedThumbprintsSerialized = null;
string nonce = ThreadSafeRandom.NextString(TransferManagerConstants.NonceChars, TransferManagerConstants.NonceLength);
try
{
using (InsecureWebClient iwc = new InsecureWebClient())
{
unverifiedThumbprintsSerialized = iwc.DownloadString(metadata.ImportUrl.ToString() + $"api/character/migrationCheck?Cookie={metadata.Cookie}&Nonce={nonce}");
}
}
catch
{
return(new ImportAndMigrateResult()
{
FailReason = ImportAndMigrateFailiureReason.CannotContactSourceServer
});
}
SignedMigrationCheckResponseModel signedMigrationCheckResult = null;
try
{
signedMigrationCheckResult = JsonConvert.DeserializeObject <SignedMigrationCheckResponseModel>(unverifiedThumbprintsSerialized, TransferManagerUtil.GetSerializationSettings());
}
catch
{
return(new ImportAndMigrateResult()
{
FailReason = ImportAndMigrateFailiureReason.ProtocolError
});
}
ImportAndMigrateFailiureReason SignedMigrationCheckResultValidationStatus = TransferManagerUtil.Verify(signedMigrationCheckResult, nonce, out selectedMigrationSourceThumb);
if (SignedMigrationCheckResultValidationStatus != ImportAndMigrateFailiureReason.None)
{
return(new ImportAndMigrateResult()
{
FailReason = SignedMigrationCheckResultValidationStatus
});
}
if (!signedMigrationCheckResult.Result.Ready)
{
return(new ImportAndMigrateResult()
{
FailReason = ImportAndMigrateFailiureReason.MigrationCheckFailed
});
}
if ((metadata.PackageType == PackageType.Migrate && !TransferConfigManager.Config.AllowMigrationFrom.Any(k => k == signedMigrationCheckResult.Result.Config.MyThumbprint)) || (metadata.PackageType == PackageType.Backup && !TransferConfigManager.Config.AllowImportFrom.Any(k => k == signedMigrationCheckResult.Result.Config.MyThumbprint)))
{
return(new ImportAndMigrateResult()
{
FailReason = ImportAndMigrateFailiureReason.UnverifiedSourceServerNotAllowed
});
}
if (metadata.PackageType == PackageType.Migrate && !signedMigrationCheckResult.Result.Config.AllowMigrate)
{
return(new ImportAndMigrateResult()
{
FailReason = ImportAndMigrateFailiureReason.UnverifiedSourceServerDoesntAllowMigrate
});
}
try
{
using (InsecureWebClient iwc = new InsecureWebClient())
{
string TransferManagerCharacterMigrationDownloadResponseModelSerialized = iwc.DownloadString(metadata.ImportUrl.ToString() + $"api/character/migrationDownload?Cookie={metadata.Cookie}");
snapshotPack = JsonConvert.DeserializeObject <CharacterMigrationDownloadResponseModel>(TransferManagerCharacterMigrationDownloadResponseModelSerialized, TransferManagerUtil.GetSerializationSettings());
}
}
catch (Exception)
{
return(new ImportAndMigrateResult()
{
FailReason = ImportAndMigrateFailiureReason.ProtocolError
});
}
if (snapshotPack == null)
{
return(new ImportAndMigrateResult());
}
if (!snapshotPack.Success)
{
return(new ImportAndMigrateResult()
{
FailReason = ImportAndMigrateFailiureReason.SourceServerRejectedRequest
});
}
}
string tmpFilePath = Path.GetTempFileName();
DirectoryInfo diTmpDirPath = Directory.CreateDirectory(Path.Combine(Path.GetDirectoryName(tmpFilePath), Path.GetFileNameWithoutExtension(tmpFilePath)));
string signerCertPath = Path.Combine(diTmpDirPath.FullName, "signer.crt");
if (importBytes == null)
{
File.WriteAllBytes(tmpFilePath, snapshotPack.SnapshotPackage);
}
else
{
File.WriteAllBytes(tmpFilePath, importBytes);
}
using (ZipArchive zip = ZipFile.OpenRead(tmpFilePath))
{
zip.ExtractToDirectory(diTmpDirPath.FullName);
}
File.Delete(tmpFilePath);
if (!File.Exists(signerCertPath))
{
Directory.Delete(diTmpDirPath.FullName, true);
return(new ImportAndMigrateResult()
{
FailReason = ImportAndMigrateFailiureReason.PackageUnsigned
});
}
string verifiedSourceThumbprint = string.Empty;
using (X509Certificate2 signer = new X509Certificate2(signerCertPath))
{
verifiedSourceThumbprint = signer.Thumbprint;
// verify that the signer is in the trusted signers list
if ((metadata.PackageType == PackageType.Migrate && !TransferConfigManager.Config.AllowMigrationFrom.Any(k => k == verifiedSourceThumbprint)) || (metadata.PackageType == PackageType.Backup && !TransferConfigManager.Config.AllowImportFrom.Any(k => k == verifiedSourceThumbprint)))
{
Directory.Delete(diTmpDirPath.FullName, true);
return(new ImportAndMigrateResult()
{
FailReason = ImportAndMigrateFailiureReason.VerifiedSourceServerNotAllowed
});
}
if (!string.IsNullOrWhiteSpace(selectedMigrationSourceThumb) && verifiedSourceThumbprint != selectedMigrationSourceThumb)
{
return(new ImportAndMigrateResult()
{
FailReason = ImportAndMigrateFailiureReason.VerifiedMigrationSourceThumbprintMismatch
});
}
// verify that the signatures are valid
foreach (FileInfo fil in diTmpDirPath.GetFiles("*.json"))
{
if (!CertificateManager.VerifySignedFile(fil.FullName, signer))
{
Directory.Delete(diTmpDirPath.FullName, true);
return(new ImportAndMigrateResult()
{
FailReason = ImportAndMigrateFailiureReason.CharacterPackageSignatureInvalid
});
}
}
}
// deserialize
PackageMetadata packInfo = null;
List <Biota> snapshot = new List <Biota>();
foreach (FileInfo fil in diTmpDirPath.GetFiles("*.json"))
{
if (fil.Name == "packinfo.json")
{
packInfo = JsonConvert.DeserializeObject <PackageMetadata>(File.ReadAllText(fil.FullName), TransferManagerUtil.GetSerializationSettings());
}
else
{
snapshot.Add(JsonConvert.DeserializeObject <Biota>(File.ReadAllText(fil.FullName), TransferManagerUtil.GetSerializationSettings()));
}
}
if (packInfo == null)
{
Directory.Delete(diTmpDirPath.FullName, true);
return(new ImportAndMigrateResult()
{
FailReason = ImportAndMigrateFailiureReason.PackInfoNotFound
});
}
if (packInfo.PackageType != metadata.PackageType)
{
return(new ImportAndMigrateResult()
{
FailReason = ImportAndMigrateFailiureReason.WrongPackageType
});
}
if (importBytes == null)
{
xfer = null;
mre = new ManualResetEvent(false);
DatabaseManager.Shard.GetCharacterTransfers((xfers) =>
{
xfer = xfers.FirstOrDefault(k => k.SourceId == packInfo.CharacterId);
mre.Set();
});
mre.WaitOne();
if (xfer != null)
{
return(new ImportAndMigrateResult()
{
FailReason = ImportAndMigrateFailiureReason.CharacterAlreadyPresent
});
}
}
// isolate player biota
List <Biota> playerCollection = snapshot.Where(k =>
(
k.WeenieType == (uint)WeenieType.Admin ||
k.WeenieType == (uint)WeenieType.Sentinel ||
k.WeenieType == (uint)WeenieType.Creature
)
).ToList();
if (playerCollection.Count > 1)
{
Directory.Delete(diTmpDirPath.FullName, true);
return(new ImportAndMigrateResult()
{
FailReason = ImportAndMigrateFailiureReason.FoundMoreThanOneCharacter
});
}
if (playerCollection.Count < 1)
{
Directory.Delete(diTmpDirPath.FullName, true);
return(new ImportAndMigrateResult()
{
FailReason = ImportAndMigrateFailiureReason.CannotFindCharacter
});
}
IEnumerable <Biota> possessedBiotas2 = snapshot.Except(playerCollection).ToList();
Biota newCharBiota = playerCollection.First();
uint playerOrigId = newCharBiota.Id;
// refactor
ObjectGuid guid = GuidManager.NewPlayerGuid();
newCharBiota = TransferManagerUtil.SetGuidAndScrubPKs(newCharBiota, guid.Full);
List <BiotaPropertiesString> nameProp = newCharBiota.BiotaPropertiesString.Where(k => k.Type == (ushort)PropertyString.Name).ToList();
if (nameProp.Count != 1)
{
Directory.Delete(diTmpDirPath.FullName, true);
return(new ImportAndMigrateResult()
{
FailReason = ImportAndMigrateFailiureReason.MalformedCharacterData
});
}
string FormerCharName = nameProp.First().Value;
nameProp.First().Value = metadata.NewCharacterName;
Collection <(Biota biota, ReaderWriterLockSlim rwLock)> possessedBiotas = new Collection <(Biota biota, ReaderWriterLockSlim rwLock)>();
foreach (Biota possession in possessedBiotas2)
{
possessedBiotas.Add((TransferManagerUtil.SetGuidAndScrubPKs(possession, GuidManager.NewDynamicGuid().Full), new ReaderWriterLockSlim()));
}
foreach ((Biota biota, ReaderWriterLockSlim rwLock)item in possessedBiotas)
{
IEnumerable <BiotaPropertiesIID> instances = item.biota.BiotaPropertiesIID.Where(k => k.Value == playerOrigId);
foreach (BiotaPropertiesIID instance in instances)
{
instance.Value = guid.Full;
}
}
foreach ((Biota biota, ReaderWriterLockSlim rwLock)item in possessedBiotas)
{
IEnumerable <BiotaPropertiesBookPageData> instances = item.biota.BiotaPropertiesBookPageData.Where(k => k.AuthorId == playerOrigId);
foreach (BiotaPropertiesBookPageData instance in instances)
{
instance.AuthorId = guid.Full;
}
//TO-DO: scrub other authors?
}
// build
Weenie weenie = DatabaseManager.World.GetCachedWeenie(newCharBiota.WeenieClassId);
weenie.Type = newCharBiota.WeenieType;
Player newPlayer = new Player(weenie, guid, metadata.AccountId)
{
Location = new Position(0xD655002C, 126.918549f, 81.756134f, 49.698814f, 0.794878f, 0.000000f, 0.000000f, -0.606769f), // Shoushi starter area
Name = metadata.NewCharacterName,
};
newPlayer.Character.Name = metadata.NewCharacterName;
// insert
mre = new ManualResetEvent(false);
bool addCharResult = false;
DatabaseManager.Shard.AddCharacterInParallel(newCharBiota, newPlayer.BiotaDatabaseLock, possessedBiotas, newPlayer.Character, newPlayer.CharacterDatabaseLock, new Action <bool>((res2) =>
{
addCharResult = res2;
mre.Set();
}));
mre.WaitOne();
if (addCharResult)
{
// update server
PlayerManager.AddOfflinePlayer(DatabaseManager.Shard.GetBiota(guid.Full));
DatabaseManager.Shard.GetCharacters(metadata.AccountId, false, new Action <List <Character> >((chars) =>
{
Session session = WorldManager.Find(metadata.AccountId);
if (session != null)
{
session.Characters.Add(chars.First(k => k.Id == guid.Full));
}
}));
DatabaseManager.Shard.SaveCharacterTransfer(new CharacterTransfer()
{
AccountId = metadata.AccountId,
SourceId = packInfo.CharacterId,
TransferType = (uint)metadata.PackageType,
TransferTime = (ulong)Time.GetUnixTime(),
Cookie = metadata.Cookie,
SourceBaseUrl = (importBytes == null) ? metadata.ImportUrl.ToString() : null,
SourceThumbprint = verifiedSourceThumbprint,
TargetId = guid.Full,
}, new ReaderWriterLockSlim(), null);
}
else
{
Directory.Delete(diTmpDirPath.FullName, true);
return(new ImportAndMigrateResult()
{
FailReason = ImportAndMigrateFailiureReason.AddCharacterFailed
});
}
// cleanup
Directory.Delete(diTmpDirPath.FullName, true);
// done
return(new ImportAndMigrateResult()
{
Success = true,
NewCharacterName = metadata.NewCharacterName,
NewCharacterId = guid.Full
});
}
/// <summary>
/// generate a snapshot package the specified character and freeze the character if it's a migration.
/// </summary>
/// <returns></returns>
public static async Task <PackageMetadata> CreatePackage(PackageMetadata metadata)
{
metadata.Cookie = ThreadSafeRandom.NextString(TransferManagerConstants.CookieChars, TransferManagerConstants.CookieLength);
// obtain character snapshot
CharacterSnapshot snapshot = new CharacterSnapshot();
TaskCompletionSource <object> tsc = new TaskCompletionSource <object>();
OfflinePlayer offlinePlayer = PlayerManager.GetOfflinePlayer(metadata.CharacterId);
if (offlinePlayer == null)
{
return(null); // character must be logged out
}
snapshot.Player = offlinePlayer.Biota;
DatabaseManager.Shard.GetCharacters(metadata.AccountId, false, new Action <List <Character> >(new Action <List <Character> >((chars) =>
{
snapshot.Character = chars.FirstOrDefault(k => k.Id == metadata.CharacterId);
if (snapshot.Character == null)
{
tsc.SetResult(new object());
return;
}
if (snapshot.Character.IsReadOnly)
{
snapshot.Character = null;
tsc.SetResult(new object());
return;
}
if (metadata.PackageType == PackageType.Migrate)
{
// place character in migrating state
snapshot.Character.IsReadOnly = true;
DatabaseManager.Shard.SaveCharacter(snapshot.Character, new ReaderWriterLockSlim(), null);
}
DatabaseManager.Shard.GetPossessedBiotasInParallel(snapshot.Character.Id, new Action <PossessedBiotas>((pb) =>
{
snapshot.PossessedBiotas = pb;
tsc.SetResult(new object());
}));
})));
await tsc.Task;
if (snapshot.Character == null)
{
return(null); // character not found
}
// prepare scratch directory
string basePath = Path.Combine(TransferManagerUtil.EnsureTransferPath(log), metadata.Cookie);
Directory.CreateDirectory(basePath);
// serialize, save, and sign
string playerPath = Path.Combine(basePath, snapshot.Player.Id + ".json");
File.WriteAllText(playerPath, JsonConvert.SerializeObject(snapshot.Player, TransferManagerUtil.GetSerializationSettings()));
CertificateManager.SignFile(playerPath);
foreach (Biota biota in snapshot.PossessedBiotas.Inventory.Union(snapshot.PossessedBiotas.WieldedItems))
{
string biotaPath = Path.Combine(basePath, biota.Id + ".json");
File.WriteAllText(biotaPath, JsonConvert.SerializeObject(biota, TransferManagerUtil.GetSerializationSettings()));
CertificateManager.SignFile(biotaPath);
}
string metaPath = Path.Combine(basePath, "packinfo.json");
File.WriteAllText(metaPath, JsonConvert.SerializeObject(metadata, TransferManagerUtil.GetSerializationSettings()));
CertificateManager.SignFile(metaPath);
CertificateManager.ExportCert(Path.Combine(basePath, "signer.crt"));
// compress
metadata.FilePath = Path.Combine(TransferManagerUtil.EnsureTransferPath(log), metadata.Cookie + ".zip");
ZipFile.CreateFromDirectory(basePath, metadata.FilePath);
// cleanup
Directory.Delete(basePath, true);
// save
DatabaseManager.Shard.SaveCharacterTransfer(new CharacterTransfer()
{
AccountId = metadata.AccountId,
PackageSourceId = metadata.CharacterId,
TransferType = (uint)metadata.PackageType,
TransferTime = (ulong)Time.GetUnixTime(),
Cookie = metadata.Cookie,
}, new ReaderWriterLockSlim(), null);
return(metadata);
}