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fix: strict saml-schema-protocol-2.0.xsd compat #2

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fix: strict saml-schema-protocol-2.0.xsd compat #2

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17 changes: 8 additions & 9 deletions SilverSAMLForger/SAMLResponseGenerator.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -46,14 +46,15 @@ string audience
assertion.SetAttribute("ID", "_" + Guid.NewGuid().ToString());
assertion.SetAttribute("Version", "2.0");
assertion.SetAttribute("IssueInstant", DateTime.UtcNow.ToString("yyyy-MM-ddTHH:mm:ss.fffZ"));
response.AppendChild(assertion);

var assertionIssuer = document.CreateElement("Issuer", "urn:oasis:names:tc:SAML:2.0:assertion");
assertionIssuer.InnerText = identityProviderIdentifier;
assertion.AppendChild(assertionIssuer);

var subject = document.CreateElement("Subject", "urn:oasis:names:tc:SAML:2.0:assertion");
assertion.AppendChild(subject);

var newIssuer = document.CreateElement("Issuer", "urn:oasis:names:tc:SAML:2.0:assertion");
newIssuer.InnerText = identityProviderIdentifier;
assertion.AppendChild(newIssuer);

var nameId = document.CreateElement("NameID", "urn:oasis:names:tc:SAML:2.0:assertion");
nameId.SetAttribute("Format", "urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress");
nameId.InnerText = subjectNameID;
Expand All @@ -79,7 +80,6 @@ string audience
var audienceElement = document.CreateElement("Audience", "urn:oasis:names:tc:SAML:2.0:assertion");
audienceElement.InnerText = audience;
audienceRestriction.AppendChild(audienceElement);
response.AppendChild(assertion);

var attributeStatement = document.CreateElement("AttributeStatement", "urn:oasis:names:tc:SAML:2.0:assertion");
assertion.AppendChild(attributeStatement);
Expand All @@ -95,7 +95,6 @@ string audience
attributeElement.AppendChild(attributeValueElement);
}

// Sign the response
var authnStatement = document.CreateElement("AuthnStatement", "urn:oasis:names:tc:SAML:2.0:assertion");
authnStatement.SetAttribute("AuthnInstant", DateTime.UtcNow.ToString("yyyy-MM-ddTHH:mm:ss.fffZ"));
authnStatement.SetAttribute("SessionIndex", "_" + Guid.NewGuid().ToString());
Expand Down Expand Up @@ -125,7 +124,8 @@ string audience
signedXml.KeyInfo.AddClause(new KeyInfoX509Data(certificate, X509IncludeOption.EndCertOnly));

signedXml.ComputeSignature();
assertion.InsertAfter(signedXml.GetXml(), assertion.FirstChild);

assertion.InsertAfter(signedXml.GetXml(), assertionIssuer);

var xmlBytes = Encoding.UTF8.GetBytes(document.OuterXml);
var encodedResponse = Convert.ToBase64String(xmlBytes);
Expand All @@ -139,5 +139,4 @@ string audience
throw new Exception("Failed to generate SAML response", ex);
}
}
}

}