Revize c62151d4

Improved InvalidSubjectAttribute string representation and added an "except" block in CertificateController that handles this error.

src/controllers/certificates_controller.py

@@ -15 +15 @@
 from src.model.subject import Subject
 from src.services.certificate_service import CertificateService, RevocationReasonInvalidException, \
     CertificateStatusInvalidException, CertificateNotFoundException, CertificateAlreadyRevokedException, \
-    CertificateCannotBeSetToValid
+    CertificateCannotBeSetToValid, InvalidSubjectAttribute
 #  responsibility.
 from src.services.cryptography import CryptographyException
 from src.services.key_service import KeyService
@@ -200 +200 @@
                     return E_INVALID_EXTENSIONS, C_BAD_REQUEST
                 else:
                     raise CryptographyException(e.executable, e.args, e.message)
+            except InvalidSubjectAttribute as e:
+                return {"success": False, "data": str(e)}, C_BAD_REQUEST
 
             if cert is not None:
                 return {"success": True,