Make sure only webcrawler configuration can be updated by a user

front/pages/api/w/[wId]/data_sources/[name]/configuration.ts

@@ -110,6 +110,27 @@ async function handler(
 
   switch (req.method) {
     case "PATCH":
+      switch (dataSource.connectorProvider) {
+        // Check which parameters are being updated here.
+        // Eg: For WebCrawler, all parameters can be updated, but the
+        // SlackConfiguration.pdfEnabled can only be updated
+        // from Poke (once this settings is moved to the new configuration system).
+        case "webcrawler": {
+          // Webcrawler configuration can be updated.
+          break;
+        }
+        default: {
+          return apiError(req, res, {
+            status_code: 404,
+            api_error: {
+              type: "data_source_error",
+              message:
+                "The configuration of this Data Source cannot be updated.",
+            },
+          });
+        }
+      }
+
       const parseRes = ioTsParsePayload(
         req.body,
         UpdateConnectorConfigurationTypeSchema