public static XmlElement GetSignature(string recipient, string issuer, string domain, string subject, StoreLocation storeLocation, StoreName storeName, X509FindType findType, string certFile, string certPassword, object findValue, Dictionary <string, string> attributes, SigningHelper.SignatureType signatureType) { ResponseType response = new ResponseType(); // Response Main Area response.ID = "_" + Guid.NewGuid().ToString(); response.Destination = recipient; response.Version = "2.0"; response.IssueInstant = System.DateTime.UtcNow; NameIDType issuerForResponse = new NameIDType(); issuerForResponse.Value = issuer.Trim(); response.Issuer = issuerForResponse; StatusType status = new StatusType(); status.StatusCode = new StatusCodeType(); status.StatusCode.Value = "urn:oasis:names:tc:SAML:2.0:status:Success"; response.Status = status; XmlSerializer responseSerializer = new XmlSerializer(response.GetType()); StringWriter stringWriter = new StringWriter(); XmlWriterSettings settings = new XmlWriterSettings(); settings.OmitXmlDeclaration = true; settings.Indent = true; settings.Encoding = Encoding.UTF8; XmlWriter responseWriter = XmlTextWriter.Create(stringWriter, settings); string samlString = string.Empty; AssertionType assertionType = CreateSamlAssertion( issuer.Trim(), recipient.Trim(), domain.Trim(), subject.Trim(), attributes); response.Items = new AssertionType[] { assertionType }; responseSerializer.Serialize(responseWriter, response); responseWriter.Close(); samlString = stringWriter.ToString(); samlString = samlString.Replace("SubjectConfirmationData", string.Format("SubjectConfirmationData NotOnOrAfter=\"{0:o}\" Recipient=\"{1}\"", DateTime.UtcNow.AddMinutes(5), recipient)); stringWriter.Close(); XmlDocument doc = new XmlDocument(); doc.LoadXml(samlString); X509Certificate2 cert = null; cert = new X509Certificate2(certFile, certPassword); XmlElement signature = SigningHelper.SignDoc(doc, cert, "ID", signatureType == SigningHelper.SignatureType.Response ? response.ID : assertionType.ID); return(signature); }
/// <summary> /// GetPostSamlResponse - Returns a Base64 Encoded String with the SamlResponse in it. /// </summary> /// <param name="recipient">Recipient</param> /// <param name="issuer">Issuer</param> /// <param name="domain">Domain</param> /// <param name="subject">Subject</param> /// <param name="storeLocation">Certificate Store Location</param> /// <param name="storeName">Certificate Store Name</param> /// <param name="findType">Certificate Find Type</param> /// <param name="certLocation">Certificate Location</param> /// <param name="findValue">Certificate Find Value</param> /// <param name="certFile">Certificate File (used instead of the above Certificate Parameters)</param> /// <param name="certPassword">Certificate Password (used instead of the above Certificate Parameters)</param> /// <param name="attributes">A list of attributes to pass</param> /// <param name="signatureType">Whether to sign Response or Assertion</param> /// <returns>A base64Encoded string with a SAML response.</returns> public static string GetPostSamlResponse(string recipient, string issuer, string domain, string subject, StoreLocation storeLocation, StoreName storeName, X509FindType findType, string certFile, string certPassword, object findValue, Dictionary <string, string> attributes, SigningHelper.SignatureType signatureType) { ResponseType response = new ResponseType(); // Response Main Area response.ID = "_" + Guid.NewGuid().ToString(); response.Destination = recipient; response.Version = "2.0"; response.IssueInstant = System.DateTime.UtcNow; NameIDType issuerForResponse = new NameIDType(); issuerForResponse.Value = issuer.Trim(); response.Issuer = issuerForResponse; StatusType status = new StatusType(); status.StatusCode = new StatusCodeType(); status.StatusCode.Value = "urn:oasis:names:tc:SAML:2.0:status:Success"; response.Status = status; XmlSerializer responseSerializer = new XmlSerializer(response.GetType()); StringWriter stringWriter = new StringWriter(); XmlWriterSettings settings = new XmlWriterSettings(); settings.OmitXmlDeclaration = true; settings.Indent = true; settings.Encoding = Encoding.UTF8; XmlWriter responseWriter = XmlTextWriter.Create(stringWriter, settings); string samlString = string.Empty; AssertionType assertionType = SamlHelper.CreateSamlAssertion( issuer.Trim(), recipient.Trim(), domain.Trim(), subject.Trim(), attributes); response.Items = new AssertionType[] { assertionType }; responseSerializer.Serialize(responseWriter, response); responseWriter.Close(); samlString = stringWriter.ToString(); samlString = samlString.Replace("SubjectConfirmationData", string.Format("SubjectConfirmationData NotOnOrAfter=\"{0:o}\" Recipient=\"{1}\"", DateTime.UtcNow.AddMinutes(5), recipient)); stringWriter.Close(); XmlDocument doc = new XmlDocument(); doc.LoadXml(samlString); X509Certificate2 cert = null; if (System.IO.File.Exists(certFile)) { cert = new X509Certificate2(certFile, certPassword); } else { X509Store store = new X509Store(storeName, storeLocation); store.Open(OpenFlags.ReadOnly); X509Certificate2Collection coll = store.Certificates.Find(findType, findValue, true); if (coll.Count < 1) { throw new ArgumentException("Unable to locate certificate"); } cert = coll[0]; store.Close(); } XmlElement signature = SigningHelper.SignDoc(doc, cert, "ID", (signatureType == SigningHelper.SignatureType.Response || signatureType == SigningHelper.SignatureType.TestVU475445) ? response.ID : assertionType.ID); doc.DocumentElement.InsertBefore(signature, doc.DocumentElement.ChildNodes[1]); if (SamlHelper.Logger.IsDebugEnabled) { SamlHelper.Logger.DebugFormat( "Saml Assertion before encoding = {0}", doc.OuterXml.ToString()); } string responseStr = doc.OuterXml; // 2018Ma06 Special Post-signature Maniuplation postsignature to inject comment into subject. if (signatureType == SigningHelper.SignatureType.TestVU475445) { string sub = subject.Trim(); int half = sub.Length / 2; string firstHalf = sub.Substring(0, half); string secondHalf = sub.Substring(half); responseStr = responseStr.Replace(sub, firstHalf + "<!--VU475445-->" + secondHalf); int breaker = 1; } byte[] base64EncodedBytes = Encoding.UTF8.GetBytes(responseStr); string returnValue = System.Convert.ToBase64String( base64EncodedBytes); return(returnValue); }
/// <summary> /// Returns a Base64 Encoded String with the SamlResponse in it. /// </summary> /// <param name="recipient">Recipient</param> /// <param name="issuer">Issuer</param> /// <param name="subject">Subject</param> /// <param name="certLocation">Certificate Location</param> /// <param name="certPassword">Certificate Password</param> /// <param name="attributes">A list of attributes to pass</param> /// <returns></returns> public static string GetPostSamlResponse(string recipient, string issuer, string domain, string subject, StoreLocation storeLocation, StoreName storeName, X509FindType findType, string certFile, string certPassword, object findValue, Dictionary <string, string> attributes, SigningHelper.SignatureType signatureType) { ResponseType response = new ResponseType(); // Create Response response.ResponseID = "_" + Guid.NewGuid().ToString(); response.MajorVersion = "1"; response.MinorVersion = "1"; response.IssueInstant = System.DateTime.UtcNow; response.Recipient = recipient; StatusType status = new StatusType(); status.StatusCode = new StatusCodeType(); status.StatusCode.Value = new XmlQualifiedName("Success", "urn:oasis:names:tc:SAML:1.0:protocol"); response.Status = status; // Create Assertion AssertionType assertionType = SamlHelper.CreateSaml11Assertion( issuer.Trim(), domain.Trim(), subject.Trim(), attributes); response.Assertion = new AssertionType[] { assertionType }; //Serialize XmlSerializerNamespaces ns = new XmlSerializerNamespaces(); ns.Add("samlp", "urn:oasis:names:tc:SAML:1.0:protocol"); ns.Add("saml", "urn:oasis:names:tc:SAML:1.0:assertion"); XmlSerializer responseSerializer = new XmlSerializer(response.GetType()); StringWriter stringWriter = new StringWriter(); XmlWriterSettings settings = new XmlWriterSettings(); settings.OmitXmlDeclaration = true; settings.Indent = true; settings.Encoding = Encoding.UTF8; XmlWriter responseWriter = XmlTextWriter.Create(stringWriter, settings); responseSerializer.Serialize(responseWriter, response, ns); responseWriter.Close(); string samlString = stringWriter.ToString(); stringWriter.Close(); // Sign the document XmlDocument doc = new XmlDocument(); doc.LoadXml(samlString); X509Certificate2 cert = null; if (System.IO.File.Exists(certFile)) { cert = new X509Certificate2(certFile, certPassword); } else { X509Store store = new X509Store(storeName, storeLocation); store.Open(OpenFlags.ReadOnly); X509Certificate2Collection coll = store.Certificates.Find(findType, findValue, true); if (coll.Count < 1) { throw new ArgumentException("Unable to locate certificate"); } cert = coll[0]; store.Close(); } XmlElement signature = SigningHelper.SignDoc( doc, cert, "ResponseID", response.ResponseID); doc.DocumentElement.InsertBefore(signature, doc.DocumentElement.ChildNodes[0]); if (SamlHelper.Logger.IsDebugEnabled) { SamlHelper.Logger.DebugFormat( "Saml Assertion before encoding = {0}", doc.OuterXml.ToString()); } // Base64Encode and URL Encode byte[] base64EncodedBytes = Encoding.UTF8.GetBytes(doc.OuterXml); string returnValue = System.Convert.ToBase64String( base64EncodedBytes); return(returnValue); }