#102: Moving Models and constants to their own library

2024-07-27 22:12:32 -04:00
parent 8900afdfd2
commit 8fdc3cfe40
50 changed files with 25 additions and 0 deletions
@@ -0,0 +1,78 @@
+using System;
+
+using Microsoft.IdentityModel.Tokens;
+using Org.BouncyCastle.Crypto.Parameters;
+using Org.BouncyCastle.OpenSsl;
+
+
+namespace Icarus.Certs;
+
+public class SigningIssuerCertificate : IDisposable
+{
+    private readonly System.Security.Cryptography.RSACryptoServiceProvider _rsa;
+
+    public SigningIssuerCertificate()
+    {
+        _rsa = new System.Security.Cryptography.RSACryptoServiceProvider();
+    }
+
+    public RsaSecurityKey GetIssuerSigningKey(string publicKeyPath)
+    {
+        var file = publicKeyPath;
+        var publicKey = System.IO.File.ReadAllText(file);
+
+        using (var reader = System.IO.File.OpenText(file))
+        {
+            var pem = new PemReader(reader);
+            var o = (RsaKeyParameters)pem.ReadObject();
+            var parameters = new System.Security.Cryptography.RSAParameters();
+            parameters.Modulus = o.Modulus.ToByteArray();
+            parameters.Exponent = o.Exponent.ToByteArray();
+            _rsa.ImportParameters(parameters);
+        }
+
+        return new RsaSecurityKey(_rsa);
+    }
+
+
+    public void Dispose()
+    {
+        _rsa?.Dispose();
+    }
+}
+
+
+public class SigningAudienceCertificate : IDisposable
+{
+    private readonly System.Security.Cryptography.RSACryptoServiceProvider _rsa;
+
+    public SigningAudienceCertificate()
+    {
+        _rsa = new System.Security.Cryptography.RSACryptoServiceProvider();
+    }
+
+    public SigningCredentials GetAudienceSigningKey(string keyPath)
+    {
+        var file = keyPath;
+        var publicKey = System.IO.File.ReadAllText(file);
+
+        using (var reader = System.IO.File.OpenText(file))
+        {
+            var pem = new PemReader(reader);
+            var o = (RsaKeyParameters)pem.ReadObject();
+            var parameters = new System.Security.Cryptography.RSAParameters();
+            parameters.Modulus = o.Modulus.ToByteArray();
+            parameters.Exponent = o.Exponent.ToByteArray();
+            _rsa.ImportParameters(parameters);
+        }
+
+        return new SigningCredentials(
+            key: new RsaSecurityKey(_rsa),
+            algorithm: SecurityAlgorithms.RsaSha256);
+    }
+
+    public void Dispose()
+    {
+        _rsa?.Dispose();
+    }
+}