Revize d3bfacfc

Re #8573 - /api/certificates/{id}/public_key endpoint now does not extract public key from private key but does so directly from the certificate instead

src/controllers/certificates_controller.py

@@ -396 +396 @@
         if cert is None:
             return E_NO_CERTIFICATES_FOUND, C_NOT_FOUND
         else:
-            # certificate exists, fetch it's private key
-            private_key = self.key_service.get_key(cert.private_key_id)
-            if cert is None:
-                return E_NO_CERT_PRIVATE_KEY_FOUND, C_INTERNAL_SERVER_ERROR
-            else:
-                # TODO public key can be extracted from a certificate
-                # private key fetched, extract a public key from it
-                public_key = self.key_service.get_public_key(private_key)
-                return {"success": True, "data": public_key}, C_SUCCESS
+            return {"success": True, "data": self.certificate_service.get_public_key_from_certificate(cert)}, C_SUCCESS

src/services/certificate_service.py

@@ -256 +256 @@
         """
         (subject, _, _) = self.cryptography_service.parse_cert_pem(certificate.pem_data)
         return subject
+
+    def get_public_key_from_certificate(self, certificate: Certificate):
+        """
+        Extracts a public key from the given certificate
+        :param certificate: an instance of the Certificate class containing the certificate from which a public key
+        should be extracted.
+        :return: a string containing the extracted public key in PEM format
+        """
+        return self.cryptography_service.extract_public_key_from_certificate(certificate.pem_data)