first commit

2026-03-11 11:18:25 -05:00
commit f3cb730f3b
472 changed files with 53651 additions and 0 deletions
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+using Landmark.OLA.Models.OnlineBanking;
+using System.Security.Authentication;
+using System.Xml.Linq;
+
+namespace OnlineBankingAuth.Parsers
+{
+    public class AuthTokenParser : IAuthTokenParser
+    {
+
+        public AuthTokenResponse ParseAuthTokenResponse(XElement xElement)
+        {
+            try
+            {
+                var accessToken = (string)xElement.Element("access_token");
+                if (String.IsNullOrEmpty(accessToken))
+                {
+                    return ParseErroneousAuthTokenResponse(xElement); 
+                }
+                var authToken = new AuthToken
+                {
+
+                    DiFiid = (string)xElement.Element("di_fiid"),
+                    DiFicustomer = (string)xElement.Element("di_ficustomer"),
+                    DiMemberNumber = (string)xElement.Element("di_member_number"),
+                    AccessToken = (string)xElement.Element("access_token"),
+                    ExpiresIn = (string)xElement.Element("expires_in"),
+                    RefreshToken = (string)xElement.Element("refresh_token"),
+                    RefreshTokenExpiresIn = (string)xElement.Element("refresh_token_expires_in")
+                };
+
+                var authTokenResponse = new AuthTokenResponse
+                {
+                    Token = authToken,
+                    Status = null
+                };
+
+                return authTokenResponse;
+            }
+            catch (Exception e)
+            {
+                throw new AuthenticationException($"Could not parse response from IdP vendor. {e.Message}, {e.StackTrace}");
+            }
+
+        }
+
+        private AuthTokenResponse ParseErroneousAuthTokenResponse(XElement xElement)
+        {
+            var messageElement = (XElement)xElement.FirstNode;
+            var errorElement = (XElement)xElement.FirstNode.NextNode;
+
+            var errorType = (XElement)errorElement.FirstNode;
+            var errorCode = (XElement)errorElement.FirstNode.NextNode;
+            var errorMessage = (XElement)errorElement.FirstNode.NextNode.NextNode;
+
+            var error = new AuthTokenError
+            {
+                ErrorType = errorType.Value,
+                ErrorCode = errorCode.Value,
+                ErrorMessage = errorMessage.Value
+            };
+
+            var authTokenStatus = new AuthTokenStatus
+            {
+                StatusMessage = messageElement.Value,
+                ErrorInfo = error
+            };
+
+            return new AuthTokenResponse
+            {
+                Status = authTokenStatus
+            };
+        }
+    }
+}
@@ -0,0 +1,10 @@
+using Landmark.OLA.Models.OnlineBanking;
+using System.Xml.Linq;
+
+namespace OnlineBankingAuth.Parsers
+{
+    public interface IAuthTokenParser
+    {
+        AuthTokenResponse ParseAuthTokenResponse(XElement xElement);
+    }
+}
@@ -0,0 +1,12 @@
+using Landmark.OLA.Models.OnlineBanking;
+using System.Xml;
+
+namespace OnlineBankingAuth.Parsers
+{
+    public interface ISAMLParser<T>
+    {
+        DISAMLAssertion ParseAssertion(XmlElement xmlElement);
+        SAMLConditions ParseConditions(XmlElement xmlElement);
+        AuthenticationStatement ParseAuthnStatement(XmlElement xmlElement);
+    }
+}
@@ -0,0 +1,8 @@
+
+namespace OnlineBankingAuth.Parsers
+{
+    public class SAMLMessaging
+    {
+        public string SAMLResponse { get; set; }
+    }
+}
@@ -0,0 +1,70 @@
+using Landmark.OLA.Models.OnlineBanking;
+using System.Xml;
+
+namespace OnlineBankingAuth.Parsers
+{
+    public class SAMLParser : ISAMLParser<DISAMLAssertion>
+    {
+        public string SAML_NAMESPACE = "saml:";
+
+        public DISAMLAssertion ParseAssertion(XmlElement xmlElement)
+        {
+            try
+            {
+
+                var assertion = new DISAMLAssertion
+                {
+                    NameID = xmlElement.GetElementsByTagName(SAML_NAMESPACE + "NameID")[0].InnerText,
+                    Recipient = xmlElement.GetElementsByTagName(SAML_NAMESPACE + "SubjectConfirmationData")[0].Attributes[1].InnerText,
+                    MemberID = xmlElement.GetElementsByTagName(SAML_NAMESPACE + "AttributeValue")[0].InnerText,
+                    FI_ID = xmlElement.GetElementsByTagName(SAML_NAMESPACE + "AttributeValue")[1].InnerText,
+                    AuthnStatement = ParseAuthnStatement(xmlElement),
+                    Conditions = ParseConditions(xmlElement),
+
+                };
+
+                return assertion;
+            }
+            catch
+            {
+                throw new FormatException("SAML Response is in an unexpected layout.");
+            }
+        }
+
+        public AuthenticationStatement ParseAuthnStatement(XmlElement xmlElement)
+        {
+            try
+            {
+                var authnStatement = new AuthenticationStatement
+                {
+                    SessionIndex = xmlElement.GetElementsByTagName(SAML_NAMESPACE + "AuthnStatement")[0].Attributes[1].InnerText,
+                    AuthContextClassRef = xmlElement.GetElementsByTagName(SAML_NAMESPACE + "AuthnContextClassRef")[0].InnerText
+                };
+                return authnStatement;
+            }
+            catch
+            {
+                throw new FormatException("AuthnStatement is in an unexpected layout.");
+            }
+        }
+
+        public SAMLConditions ParseConditions(XmlElement xmlElement)
+        {
+            try
+            {
+                var conditions = new SAMLConditions
+                {
+                    Audience = xmlElement.GetElementsByTagName(SAML_NAMESPACE + "Audience")[0].InnerText,
+                    NotBefore = DateTime.Parse(xmlElement.GetElementsByTagName(SAML_NAMESPACE + "Conditions")[0].Attributes[0].InnerText),
+                    NotAfter = DateTime.Parse(xmlElement.GetElementsByTagName(SAML_NAMESPACE + "Conditions")[0].Attributes[1].InnerText),
+                };
+                return conditions;
+            }
+            catch
+            {
+                throw new FormatException("SAML Conditions is in an unexpected layout");
+            }
+        }
+        
+    }
+}