fix(core): add validation for authtype and metadata in update payment connector

crates/router/src/core/admin.rs

@@ -1172,6 +1172,34 @@ pub async fn update_payment_connector(
             field_name: "connector_account_details".to_string(),
             expected_format: "auth_type and api_key".to_string(),
         })?;
+    let connector_name = mca.connector_name.as_ref();
+    let connector_enum = api_models::enums::Connector::from_str(connector_name)
+        .into_report()
+        .change_context(errors::ApiErrorResponse::InvalidDataValue {
+            field_name: "connector",
+        })
+        .attach_printable_lazy(|| format!("unable to parse connector name {connector_name:?}"))?;
+    validate_auth_and_metadata_type(connector_enum, &auth, &req.metadata).map_err(
+        |err| match *err.current_context() {
+            errors::ConnectorError::InvalidConnectorName => {
+                err.change_context(errors::ApiErrorResponse::InvalidRequestData {
+                    message: "The connector name is invalid".to_string(),
+                })
+            }
+            errors::ConnectorError::InvalidConnectorConfig { config: field_name } => err
+                .change_context(errors::ApiErrorResponse::InvalidRequestData {
+                    message: format!("The {} is invalid", field_name),
+                }),
+            errors::ConnectorError::FailedToObtainAuthType => {
+                err.change_context(errors::ApiErrorResponse::InvalidRequestData {
+                    message: "The auth type is invalid for the connector".to_string(),
+                })
+            }
+            _ => err.change_context(errors::ApiErrorResponse::InvalidRequestData {
+                message: "The request body is invalid".to_string(),
+            }),
+        },
+    )?;
 
     let (connector_status, disabled) =
         validate_status_and_disabled(req.status, req.disabled, auth, mca.status)?;