ssh key등록 및 수정 기능 개선

users/views.py

@@ -53,4 +53,23 @@ class SSHKeyUploadView(APIView):
             user.save(update_fields=["encrypted_private_key", "encrypted_private_key_name"])
             return Response({"message": "SSH key 저장 완료."})
         except Exception as e:
-            return Response({"error": str(e)}, status=500)
+            return Response({"error": str(e)}, status=500)
+        
+    def delete(self, request):
+        user = request.user
+        user.encrypted_private_key = None
+        user.encrypted_private_key_name = None
+        user.last_used_at = None
+        user.save(update_fields=["encrypted_private_key", "encrypted_private_key_name", "last_used_at"])
+        return Response({"message": "SSH key deleted."}, status=200)
+    
+class SSHKeyInfoView(APIView):
+    permission_classes = [IsAuthenticated]
+
+    def get(self, request):
+        user = request.user
+        return Response({
+            "has_key": bool(user.encrypted_private_key),
+            "encrypted_private_key_name": user.encrypted_private_key_name,
+            "last_used_at": user.last_used_at
+        })