feat: autogénérer certificat TLS si non-fourni

server.go

@@ -3,7 +3,9 @@ package presences
 import (
 	"context"
 	"crypto/subtle"
+	"crypto/tls"
 	"fmt"
+	"log"
 	"net/http"
 
 	"git.agecem.com/bottin/bottin/v11"
@@ -69,7 +71,30 @@ func RunUIServer(ctx context.Context, cfg Config, bottinClient *bottin.APIClient
 
 		address := fmt.Sprintf(":%d", cfg.Port)
 
-		return e.StartTLS(address, cfg.TLS.Cert, cfg.TLS.Key)
-	}
+		switch {
+		case cfg.TLS.Cert != "" && cfg.TLS.Key != "":
+			return e.StartTLS(address, cfg.TLS.Cert, cfg.TLS.Key)
+		case cfg.TLS.Cert != "" && cfg.TLS.Key == "":
+			return fmt.Errorf("found TLS certificate but missing associated TLS private key")
+		case cfg.TLS.Cert == "" && cfg.TLS.Key != "":
+			return fmt.Errorf("found TLS private key but missing associated TLS certificate")
+		default:
+			log.Println("No TLS pair was provided. Generating self-signed pair.")
 
+			tlsPair, err := newTLSPair()
+			if err != nil {
+				return err
+			}
+
+			server := &http.Server{
+				Addr:    address,
+				Handler: e,
+				TLSConfig: &tls.Config{
+					Certificates: []tls.Certificate{tlsPair},
+				},
+			}
+
+			return server.ListenAndServeTLS("", "")
+		}
+	}
 }