Exemplo n.º 1
0
        /// <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
            });
        }
Exemplo n.º 2
0
        /// <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);
        }