Add C53 Ebcis GV

src/libfintx.EBICS/Commands/C53Command.cs

@@ -0,0 +1,281 @@
+/* 
+ * 
+ * This file is part of libfintx.
+ * 
+ * Copyright (C) 2023 Torsten Klement
+ * 
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * 
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Xml;
+using System.Xml.Linq;
+using Microsoft.Extensions.Logging;
+using libfintx.EBICS.Exceptions;
+using libfintx.EBICS.Handler;
+using libfintx.EBICS.Parameters;
+using libfintx.EBICS.Responses;
+using libfintx.Xml;
+using System.IO;
+using Newtonsoft.Json.Linq;
+using System.Linq;
+
+namespace libfintx.EBICS.Commands
+{
+ internal class C53Command : GenericCommand<C53Response>
+ {
+ private static readonly ILogger s_logger = EbicsLogging.CreateLogger<C53Command>();
+ private string _transactionId;
+ private int _numSegments;
+ private int _initSegment;
+ private bool _initLastSegment;
+ private string[] _orderData;
+
+ internal C53Params Params { private get; set; }
+ internal override string OrderType => "C53";
+ internal override string OrderAttribute => "DZHNN";
+ internal override TransactionType TransactionType => TransactionType.Download;
+ internal override IList<XmlDocument> Requests => CreateRequests();
+ internal override XmlDocument InitRequest => CreateInitRequest();
+ internal override XmlDocument ReceiptRequest => CreateReceiptRequest();
+
+ internal override DeserializeResponse Deserialize(string payload)
+ {
+ using (new MethodLogger(s_logger))
+ {
+ try
+ {
+ var dr = base.Deserialize(payload);
+ var doc = XDocument.Parse(payload);
+ var xph = new XPathHelper(doc, Namespaces);
+
+ if (dr.HasError || dr.IsRecoverySync)
+ {
+ return dr;
+ }
+
+ // do signature validation here
+
+ switch (dr.Phase)
+ {
+ case TransactionPhase.Initialisation:
+ _transactionId = dr.TransactionId;
+ _numSegments = dr.NumSegments;
+ _initSegment = dr.SegmentNumber;
+ _initLastSegment = dr.LastSegment;
+ _orderData = new string[_numSegments];
+ _orderData[dr.SegmentNumber - 1] =
+ Encoding.UTF8.GetString(Decompress(DecryptOrderData(xph)));
+ Response.Data = string.Join("", _orderData);
+ break;
+ case TransactionPhase.Transfer:
+ _orderData[dr.SegmentNumber - 1] =
+ Encoding.UTF8.GetString(Decompress(DecryptOrderData(xph)));
+ // Zip File ausgeben
+ Guid myuuid = Guid.NewGuid();
+ string myuuidAsString = myuuid.ToString();
+ byte[] data = _orderData.Select(byte.Parse).ToArray();
+ string distPath = "CAMT053_" + myuuidAsString + ".zip";
+ using (FileStream dstZip = new FileStream(distPath, FileMode.Create))
+ {
+ dstZip.Write(data, 0, data.Length);
+ }
+ Response.Data = string.Join("", distPath);
+ break;
+ }
+
+ return dr;
+ }
+ catch (EbicsException)
+ {
+ throw;
+ }
+ catch (Exception ex)
+ {
+ throw new DeserializationException($"can't deserialize {OrderType} command", ex, payload);
+ }
+ }
+ }
+
+ private IList<XmlDocument> CreateRequests()
+ {
+ using (new MethodLogger(s_logger))
+ {
+ try
+ {
+ if (_initLastSegment)
+ {
+ s_logger.LogDebug("lastSegment is {lastSegment}. Not creating any transfer requests",
+ _initLastSegment);
+ return null;
+ }
+
+ var reqs = new List<XmlDocument>();
+
+ for (var i = 1; i < _numSegments; i++)
+ {
+ s_logger.LogDebug("Creating transfer request {no}", i);
+ var req = new EbicsRequest
+ {
+ Namespaces = Namespaces,
+ Version = Config.Version,
+ Revision = Config.Revision,
+ StaticHeader = new StaticHeader
+ {
+ HostId = Config.User.HostId,
+ TransactionId = _transactionId,
+ },
+ MutableHeader = new MutableHeader
+ {
+ Namespaces = Namespaces,
+ TransactionPhase = "Transfer",
+ SegmentNumber = i + _initSegment,
+ LastSegment = i + _initSegment == _numSegments
+ },
+ Body = new Body
+ {
+ Namespaces = Namespaces
+ }
+ };
+
+ reqs.Add(AuthenticateXml(req.Serialize().ToXmlDocument(), null, null));
+ }
+
+ return reqs;
+ }
+ catch (EbicsException)
+ {
+ throw;
+ }
+ catch (Exception ex)
+ {
+ throw new CreateRequestException($"can't create {OrderType} requests", ex);
+ }
+ }
+ }
+
+ private XmlDocument CreateReceiptRequest()
+ {
+ using (new MethodLogger(s_logger))
+ {
+ try
+ {
+ var receiptReq = new EbicsRequest
+ {
+ Version = Config.Version,
+ Revision = Config.Revision,
+ Namespaces = Namespaces,
+ StaticHeader = new StaticHeader
+ {
+ Namespaces = Namespaces,
+ HostId = Config.User.HostId,
+ TransactionId = _transactionId
+ },
+ MutableHeader = new MutableHeader
+ {
+ Namespaces = Namespaces,
+ TransactionPhase = "Receipt"
+ },
+ Body = new Body
+ {
+ Namespaces = Namespaces,
+ TransferReceipt = new TransferReceipt
+ {
+ Namespaces = Namespaces,
+ ReceiptCode = "0"
+ }
+ }
+ };
+
+ return AuthenticateXml(receiptReq.Serialize().ToXmlDocument(), null, null);
+ }
+ catch (EbicsException)
+ {
+ throw;
+ }
+ catch (Exception ex)
+ {
+ throw new CreateRequestException($"can't create {OrderType} receipt request", ex);
+ }
+ }
+ }
+
+ private XmlDocument CreateInitRequest()
+ {
+ using (new MethodLogger(s_logger))
+ {
+ try
+ {
+ var initReq = new EbicsRequest
+ {
+ StaticHeader = new StaticHeader
+ {
+ Namespaces = Namespaces,
+ HostId = Config.User.HostId,
+ PartnerId = Config.User.PartnerId,
+ UserId = Config.User.UserId,
+ SecurityMedium = Params.SecurityMedium,
+ Nonce = CryptoUtils.GetNonce(),
+ Timestamp = CryptoUtils.GetUtcTimeNow(),
+ BankPubKeyDigests = new BankPubKeyDigests
+ {
+ Namespaces = Namespaces,
+ Bank = Config.Bank,
+ DigestAlgorithm = s_digestAlg
+ },
+ OrderDetails = new OrderDetails
+ {
+ Namespaces = Namespaces,
+ OrderAttribute = OrderAttribute,
+ OrderType = OrderType,
+ StandardOrderParams = new StartEndDateOrderParams
+ {
+ Namespaces = Namespaces,
+ StartDate = Params.StartDate,
+ EndDate = Params.EndDate
+ }
+ }
+ },
+ MutableHeader = new MutableHeader
+ {
+ Namespaces = Namespaces,
+ TransactionPhase = "Initialisation"
+ },
+ Body = new Body
+ {
+ Namespaces = Namespaces
+ },
+ Namespaces = Namespaces,
+ Version = Config.Version,
+ Revision = Config.Revision,
+ };
+
+ return AuthenticateXml(initReq.Serialize().ToXmlDocument(), null, null);
+ }
+ catch (EbicsException)
+ {
+ throw;
+ }
+ catch (Exception ex)
+ {
+ throw new CreateRequestException($"can't create {OrderType} init request", ex);
+ }
+ }
+ }
+ }
+}

src/libfintx.EBICS/Handler/CommandHandler.cs

@@ -70,6 +70,9 @@ private Command CreateCommand(Params cmdParams)
  case CddParams cdd:
  cmd = new CddCommand {Params = cdd, Config = Config, Namespaces = Namespaces};
  break;
+ case C53Params c53:
+ cmd = new C53Command { Params = c53, Config = Config, Namespaces = Namespaces };
+ break;
  }
 
  s_logger.LogDebug("Command created: {cmd}", cmd?.ToString());

src/libfintx.EBICS/Parameters/C53Params.cs

@@ -0,0 +1,32 @@
+/* 
+ * 
+ * This file is part of libfintx.
+ * 
+ * Copyright (C) 2023 Torsten Klement
+ * 
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * 
+ */
+
+using System;
+
+namespace libfintx.EBICS.Parameters
+{
+ public class C53Params: Params
+ {
+ public DateTime StartDate { get; set; }
+ public DateTime EndDate { get; set; }
+ }
+}

src/libfintx.EBICS/Responses/C53Response.cs

@@ -0,0 +1,29 @@
+/* 
+ * 
+ * This file is part of libfintx.
+ * 
+ * Copyright (C) 2023 Torsten Klement
+ * 
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * 
+ */
+
+namespace libfintx.EBICS.Responses
+{
+ public class C53Response: Response
+ {
+ public string Data { get; internal set; }
+ }
+}