internal static RecordExtra ExtractRecordExtra(this PasswordRecord record, RecordExtra existingExtra = null)
        {
            IDictionary <string, RecordExtraFile> extraFiles = null;

            if (existingExtra?.files != null && existingExtra.files.Length > 0)
            {
                extraFiles = new Dictionary <string, RecordExtraFile>();
                foreach (var f in existingExtra.files)
                {
                    extraFiles.Add(f.id, f);
                }
            }

            return(new RecordExtra
            {
                files = record.Attachments?.Select(x =>
                {
                    RecordExtraFile extraFile;
                    if (extraFiles != null)
                    {
                        if (extraFiles.TryGetValue(x.Id, out extraFile))
                        {
                            return extraFile;
                        }
                    }

                    extraFile = new RecordExtraFile
                    {
                        id = x.Id,
                        key = x.Key,
                        name = x.Name,
                        title = x.Title ?? x.Name,
                        size = x.Size,
                        type = x.Type
                    };
                    if (x.Thumbnails != null && x.Thumbnails.Length > 0)
                    {
                        extraFile.thumbs = x.Thumbnails.Select(y =>
                                                               new RecordExtraFileThumb
                        {
                            id = y.Id,
                            size = y.Size,
                            type = y.Type
                        })
                                           .ToArray();
                    }

                    return extraFile;
                }).ToArray(),
                fields = record.ExtraFields?.Select(x =>
                {
                    var map = new Dictionary <string, object>
                    {
                        ["id"] = x.Id ?? "",
                        ["field_type"] = x.FieldType ?? "",
                        ["field_title"] = x.FieldTitle ?? ""
                    };
                    foreach (var pair in x.Custom.Where(pair => pair.Value != null))
                    {
                        map[pair.Key] = pair.Value;
                    }

                    return map;
                }).ToArray(),
                ExtensionData = existingExtra?.ExtensionData
            });
        }
        public static async Task <PasswordRecord> PutRecord(this VaultOnline vault, PasswordRecord record, bool skipData = false, bool skipExtra = true)
        {
            IPasswordRecord existingRecord = null;

            if (!string.IsNullOrEmpty(record.Uid))
            {
                existingRecord = vault.Storage.Records.GetEntity(record.Uid);
            }

            if (existingRecord == null)
            {
                return(await vault.AddRecordToFolder(record));
            }

            var updateRecord = new RecordUpdateRecord
            {
                RecordUid = existingRecord.RecordUid
            };

            var rmd = vault.ResolveRecordAccessPath(updateRecord, true);

            if (rmd != null)
            {
                if (rmd.RecordKeyType == (int)KeyType.NoKey || rmd.RecordKeyType == (int)KeyType.PrivateKey)
                {
                    updateRecord.RecordKey = CryptoUtils.EncryptAesV1(record.RecordKey, vault.Auth.AuthContext.DataKey)
                                             .Base64UrlEncode();
                }
            }

            updateRecord.Revision = existingRecord.Revision;

            if (!skipData)
            {
                var        dataSerializer = new DataContractJsonSerializer(typeof(RecordData), JsonUtils.JsonSettings);
                RecordData existingData   = null;
                try
                {
                    var unencryptedData =
                        CryptoUtils.DecryptAesV1(existingRecord.Data.Base64UrlDecode(), record.RecordKey);
                    using (var ms = new MemoryStream(unencryptedData))
                    {
                        existingData = (RecordData)dataSerializer.ReadObject(ms);
                    }
                }
                catch (Exception e)
                {
                    Trace.TraceError("Decrypt Record: UID: {0}, {1}: \"{2}\"",
                                     existingRecord.RecordUid,
                                     e.GetType().Name,
                                     e.Message);
                }

                var data = record.ExtractRecordData(existingData);
                using (var ms = new MemoryStream())
                {
                    dataSerializer.WriteObject(ms, data);
                    updateRecord.Data = CryptoUtils.EncryptAesV1(ms.ToArray(), record.RecordKey).Base64UrlEncode();
                }
            }

            if (!skipExtra)
            {
                var         extraSerializer = new DataContractJsonSerializer(typeof(RecordExtra), JsonUtils.JsonSettings);
                RecordExtra existingExtra   = null;
                try
                {
                    var unencryptedExtra =
                        CryptoUtils.DecryptAesV1(existingRecord.Extra.Base64UrlDecode(), record.RecordKey);
                    using (var ms = new MemoryStream(unencryptedExtra))
                    {
                        existingExtra = (RecordExtra)extraSerializer.ReadObject(ms);
                    }
                }
                catch (Exception e)
                {
                    Trace.TraceError("Decrypt Record: UID: {0}, {1}: \"{2}\"",
                                     existingRecord.RecordUid,
                                     e.GetType().Name,
                                     e.Message);
                }

                var extra = record.ExtractRecordExtra(existingExtra);
                using (var ms = new MemoryStream())
                {
                    extraSerializer.WriteObject(ms, extra);
                    updateRecord.Extra = CryptoUtils.EncryptAesV1(ms.ToArray(), record.RecordKey).Base64UrlEncode();
                }

                var udata = new RecordUpdateUData();
                var ids   = new HashSet <string>();
                if (record.Attachments != null)
                {
                    foreach (var atta in record.Attachments)
                    {
                        ids.Add(atta.Id);
                        if (atta.Thumbnails != null)
                        {
                            foreach (var thumb in atta.Thumbnails)
                            {
                                ids.Add(thumb.Id);
                            }
                        }
                    }
                }

                udata.FileIds      = ids.ToArray();
                updateRecord.Udata = udata;
            }

            var command = new RecordUpdateCommand
            {
                deviceId      = vault.Auth.Endpoint.DeviceName,
                UpdateRecords = new[] { updateRecord }
            };

            await vault.Auth.ExecuteAuthCommand <RecordUpdateCommand, RecordUpdateResponse>(command);

            await vault.ScheduleSyncDown(TimeSpan.FromSeconds(0));

            return(vault.TryGetRecord(record.Uid, out var r) ? r : record);
        }