Escape Sepa

src/libfintx.Sepa/Helper/SepaHelper.cs

@@ -0,0 +1,50 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Security;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Xml;
+
+namespace libfintx.Sepa.Helper
+{
+ public static class SepaHelper
+ {
+ public static string Escape(string str)
+ {
+ // Zunächst XML-escapen
+ var escaped = SecurityElement.Escape(str);
+ // Dann sicherstellen, dass nur gemäß SEPA gültige Zeichen verwendet werden
+ return ConvertToValidSepaString(escaped);
+ }
+
+ public static string ConvertToValidSepaString(string str)
+ {
+ return new string(str.Select(c => ConvertToValidSepaString(c)).SelectMany(s => s).ToArray());
+ }
+
+ /// <summary>
+ /// Hier findet kein XML-Escaping statt, sondern es wird sichergestellt, dass nur die in SEPA gültigen Zeichen verwendet werden.
+ /// </summary>
+ /// <param name="c"></param>
+ /// <returns></returns>
+ private static string ConvertToValidSepaString(char c)
+ {
+ switch (c)
+ {
+ case 'Ä': return "Ae";
+ case 'Ö': return "Oe";
+ case 'Ü': return "Ue";
+ case 'ä': return "ae";
+ case 'ö': return "oe";
+ case 'ü': return "ue";
+ case 'ß': return "ss";
+ }
+
+ if (!Regex.Match($"{c}", @"^[\sa-zA-Z0-9/?:\(\)\.,'+-]$").Success)
+ return string.Empty;
+
+ return $"{c}";
+ }
+ }
+}

src/libfintx.Sepa/Pain/pain00100203.cs

@@ -25,6 +25,7 @@
 using System.Collections.Generic;
 using System.Security;
 using libfintx.Globals;
+using libfintx.Sepa.Helper;
 
 namespace libfintx.Sepa
 {
@@ -52,9 +53,9 @@ public static string Create(string Accountholder, string AccountholderIBAN, stri
 
  var Amount_ = Amount.ToString().Replace(",", ".");
 
- var Accountholder_ = SecurityElement.Escape(Accountholder);
- var Receiver_ = SecurityElement.Escape(Receiver);
- var Usage_ = SecurityElement.Escape(Usage);
+ var Accountholder_ = SepaHelper.Escape(Accountholder);
+ var Receiver_ = SepaHelper.Escape(Receiver);
+ var Usage_ = SepaHelper.Escape(Usage);
 
  string Message = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" +
  "<Document xmlns=\"urn:iso:std:iso:20022:tech:xsd:pain.001.002.03\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:schemaLocation=\"urn:iso:std:iso:20022:tech:xsd:pain.001.002.03 pain.001.002.03.xsd\">" +

src/libfintx.Sepa/Pain/pain00100303.cs

@@ -25,6 +25,7 @@
 using System.Collections.Generic;
 using System.Security;
 using libfintx.Globals;
+using libfintx.Sepa.Helper;
 
 namespace libfintx.Sepa
 {
@@ -53,9 +54,9 @@ public static string Create(string Accountholder, string AccountholderIBAN, stri
 
  var Amount_ = Amount.ToString().Replace(",", ".");
 
- var Accountholder_ = SecurityElement.Escape(Accountholder);
- var Receiver_ = SecurityElement.Escape(Receiver);
- var Usage_ = SecurityElement.Escape(Usage);
+ var Accountholder_ = SepaHelper.Escape(Accountholder);
+ var Receiver_ = SepaHelper.Escape(Receiver);
+ var Usage_ = SepaHelper.Escape(Usage);
 
  string Message = "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>" +
  "<Document xmlns=\"urn:iso:std:iso:20022:tech:xsd:pain.001.003.03\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:schemaLocation=\"urn:iso:std:iso:20022:tech:xsd:pain.001.003.03 pain.001.003.03.xsd\">" +

src/libfintx.Sepa/Pain/pain00800202.cs

@@ -25,6 +25,7 @@
 using System.Collections.Generic;
 using System.Security;
 using libfintx.Globals;
+using libfintx.Sepa.Helper;
 
 namespace libfintx.Sepa
 {
@@ -63,9 +64,9 @@ public static string Create(string Accountholder, string AccountholderIBAN, stri
 
  var Amount_ = Amount.ToString().Replace(",", ".");
 
- var Accountholder_ = SecurityElement.Escape(Accountholder);
- var Payer_ = SecurityElement.Escape(Payer);
- var Usage_ = SecurityElement.Escape(Usage);
+ var Accountholder_ = SepaHelper.Escape(Accountholder);
+ var Payer_ = SepaHelper.Escape(Payer);
+ var Usage_ = SepaHelper.Escape(Usage);
 
  string Message = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" +
  "<Document xmlns=\"urn:iso:std:iso:20022:tech:xsd:pain.008.002.02\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:schemaLocation=\"urn:iso:std:iso:20022:tech:xsd:pain.008.002.02 pain.008.002.02.xsd\">" +

src/libfintx.Sepa/libfintx.Sepa.csproj

@@ -8,10 +8,16 @@
  <ProjectReference Include="..\libfintx.Globals\libfintx.Globals.csproj" />
  </ItemGroup>
 
+ <ItemGroup>
+ <None Remove="Helper\" />
+ </ItemGroup>
  <ItemGroup>
  <None Update="Pain\pain_001_001_03\pain.001.001.03.xsd">
  <SubType>Designer</SubType>
  </None>
  </ItemGroup>
 
+ <ItemGroup>
+ <Folder Include="Helper\" />
+ </ItemGroup>
 </Project>

src/libfintx.Tests/Pain/pain00100103Tests.cs

@@ -3,11 +3,26 @@
 using libfintx.FinTS;
 using System.Collections.Generic;
 using libfintx.Sepa;
+using System.Reflection;
+using System.IO;
+using System.Text.RegularExpressions;
+using libfintx.Sepa.Helper;
+
 
 namespace libfintx.Tests.Pain
 {
  public class pain00100103Tests
  {
+ [Fact]
+ public void Test_Escape()
+ {
+ string str = SepaHelper.Escape(@"Hübner;;;\\\");
+ Assert.Equal("Huebner", str);
+
+ str = SepaHelper.Escape(@"Der Verwendungszweck der Überweisung ####ist die Mietzahlung.");
+ Assert.Equal("Der Verwendungszweck der Ueberweisung ist die Mietzahlung.", str);
+ }
+
  [Fact(Skip = "You have to set the Arrange variables for this test")]
  public void Create_StateUnderTest_ExpectedBehavior()
  {