Create WireMock.Net.MimePart project (#1300)

* Create WireMock.Net.MimePart project

* .

* REFACTOR

* ILRepack

* --

* ...

* x

* x

* .

* fix

* public class MimePartMatcher

* shared

* min

* .

* <!--<DelaySign>true</DelaySign>-->

* Update README.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

src/WireMock.Net.Minimal/HttpsCertificate/CertificateLoader.cs

@@ -0,0 +1,130 @@
+// Copyright © WireMock.Net
+
+using System;
+using System.IO;
+using System.Security.Cryptography.X509Certificates;
+
+namespace WireMock.HttpsCertificate;
+
+internal static class CertificateLoader
+{
+    private const string ExtensionPem = ".PEM";
+
+    /// <summary>
+    /// Used by the WireMock.Net server
+    /// </summary>
+    public static X509Certificate2 LoadCertificate(
+        string? storeName,
+        string? storeLocation,
+        string? thumbprintOrSubjectName,
+        string? filePath,
+        string? passwordOrKey,
+        string host)
+    {
+        if (!string.IsNullOrEmpty(storeName) && !string.IsNullOrEmpty(storeLocation))
+        {
+            var thumbprintOrSubjectNameOrHost = thumbprintOrSubjectName ?? host;
+
+            var certStore = new X509Store((StoreName)Enum.Parse(typeof(StoreName), storeName), (StoreLocation)Enum.Parse(typeof(StoreLocation), storeLocation));
+            try
+            {
+                certStore.Open(OpenFlags.ReadOnly);
+
+                // Attempt to find by Thumbprint first
+                var matchingCertificates = certStore.Certificates.Find(X509FindType.FindByThumbprint, thumbprintOrSubjectNameOrHost, false);
+                if (matchingCertificates.Count == 0)
+                {
+                    // Fallback to SubjectName
+                    matchingCertificates = certStore.Certificates.Find(X509FindType.FindBySubjectName, thumbprintOrSubjectNameOrHost, false);
+                    if (matchingCertificates.Count == 0)
+                    {
+                        // No certificates matched the search criteria.
+                        throw new FileNotFoundException($"No Certificate found with in store '{storeName}', location '{storeLocation}' for Thumbprint or SubjectName '{thumbprintOrSubjectNameOrHost}'.");
+                    }
+                }
+
+                // Use the first matching certificate.
+                return matchingCertificates[0];
+            }
+            finally
+            {
+#if NETSTANDARD || NET46
+                certStore.Dispose();
+#else
+                certStore.Close();
+#endif
+            }
+        }
+
+        if (!string.IsNullOrEmpty(filePath))
+        {
+            if (filePath!.EndsWith(ExtensionPem, StringComparison.OrdinalIgnoreCase))
+            {
+                // PEM logic based on: https://www.scottbrady91.com/c-sharp/pem-loading-in-dotnet-core-and-dotnet
+#if NET5_0_OR_GREATER
+                if (!string.IsNullOrEmpty(passwordOrKey))
+                {
+                    var certPem = File.ReadAllText(filePath);
+                    var cert = X509Certificate2.CreateFromPem(certPem, passwordOrKey);
+                    const string defaultPasswordPem = "WireMock.Net";
+                    return new X509Certificate2(cert.Export(X509ContentType.Pfx, defaultPasswordPem), defaultPasswordPem);
+                }
+                return X509Certificate2.CreateFromPemFile(filePath);
+
+#elif NETCOREAPP3_1
+                var cert = new X509Certificate2(filePath);
+                if (!string.IsNullOrEmpty(passwordOrKey))
+                {
+                    var key = System.Security.Cryptography.ECDsa.Create()!;
+                    key.ImportECPrivateKey(System.Text.Encoding.UTF8.GetBytes(passwordOrKey), out _);
+                    return cert.CopyWithPrivateKey(key);
+                }
+                return cert;
+#else                
+                throw new InvalidOperationException("Loading a PEM Certificate is only supported for .NET Core App 3.1, .NET 5.0 and higher.");
+#endif
+            }
+
+            return !string.IsNullOrEmpty(passwordOrKey) ? new X509Certificate2(filePath, passwordOrKey) : new X509Certificate2(filePath);
+        }
+
+        throw new InvalidOperationException("X509StoreName and X509StoreLocation OR X509CertificateFilePath are mandatory. Note that X509CertificatePassword is optional.");
+    }
+
+    /// <summary>
+    /// Used for Proxy
+    /// </summary>
+    public static X509Certificate2 LoadCertificate(string thumbprintOrSubjectName)
+    {
+        var certStore = new X509Store(StoreName.My, StoreLocation.LocalMachine);
+        try
+        {
+            // Certificate must be in the local machine store
+            certStore.Open(OpenFlags.ReadOnly);
+
+            // Attempt to find by Thumbprint first
+            var matchingCertificates = certStore.Certificates.Find(X509FindType.FindByThumbprint, thumbprintOrSubjectName, false);
+            if (matchingCertificates.Count == 0)
+            {
+                // Fallback to SubjectName
+                matchingCertificates = certStore.Certificates.Find(X509FindType.FindBySubjectName, thumbprintOrSubjectName, false);
+                if (matchingCertificates.Count == 0)
+                {
+                    // No certificates matched the search criteria.
+                    throw new FileNotFoundException("No certificate found with specified Thumbprint or SubjectName.", thumbprintOrSubjectName);
+                }
+            }
+
+            // Use the first matching certificate.
+            return matchingCertificates[0];
+        }
+        finally
+        {
+#if NETSTANDARD || NET46
+            certStore.Dispose();
+#else
+            certStore.Close();
+#endif
+        }
+    }
+}