Add CLI command for generating a certificate for webhook signatures (#…

…1691)

TeachingRecordSystem/src/TeachingRecordSystem.Cli/Commands.GenerateWebhookSignatureCertificate.cs

@@ -0,0 +1,29 @@
+using System.Security.Cryptography;
+using System.Security.Cryptography.X509Certificates;
+
+namespace TeachingRecordSystem.Cli;
+
+public static partial class Commands
+{
+    public static Command CreateGenerateWebhookSignatureCertificateCommand(IConfiguration configuration)
+    {
+        var command = new Command(
+            "generate-webhook-signature-certificate",
+            $"Generates a new self-signed certificate and outputs its private key and certificate to key.pem and certificate.pem, respectively.");
+
+        command.SetHandler(
+            () =>
+            {
+                var key = ECDsa.Create(ECCurve.NamedCurves.nistP384);
+                var certRequest = new CertificateRequest("CN=Teaching Record System", key, HashAlgorithmName.SHA384);
+                var cert = certRequest.CreateSelfSigned(DateTimeOffset.Now, DateTimeOffset.Now.AddYears(1));
+                var certPem = cert.ExportCertificatePem();
+                var keyPem = key.ExportECPrivateKeyPem();
+
+                File.WriteAllText("key.pem", keyPem);
+                File.WriteAllText("certificate.pem", certPem);
+            });
+
+        return command;
+    }
+}

TeachingRecordSystem/src/TeachingRecordSystem.Cli/Program.cs

@@ -16,6 +16,7 @@
     Commands.CreateSyncPersonCommand(configuration),
     Commands.CreateGenerateKeyCommand(configuration),
     Commands.CreateDropDqtReportingReplicationSlotCommand(configuration),
+    Commands.CreateGenerateWebhookSignatureCertificateCommand(configuration),
 };
 
 return await rootCommand.InvokeAsync(args);

justfile

@@ -20,7 +20,7 @@ restore:
 
 # Run the trscli
 cli *ARGS:
-  @cd {{solution-root / "src" / "TeachingRecordSystem.Cli"}} && dotnet {{"bin" / "Debug" / "net8.0" / "trscli.dll"}} {{ARGS}}
+  @dotnet {{solution-root / "src" / "TeachingRecordSystem.Cli" / "bin" / "Debug" / "net8.0" / "trscli.dll"}} {{ARGS}}
 
 # Build the .NET solution
 build: