Avoid timeout caused by Request with large body (#768)

* Avoid timeout due to too big requests

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Update request_detail.py

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

silk/views/request_detail.py

@@ -19,24 +19,28 @@ def get(self, request, request_id):
         query_params = None
         if silk_request.query_params:
             query_params = json.loads(silk_request.query_params)
-        body = silk_request.raw_body
-        try:
-            body = json.loads(body)  # Incase encoded as JSON
-        except (ValueError, TypeError):
-            pass
+
         context = {
             'silk_request': silk_request,
-            'curl': curl_cmd(url=request.build_absolute_uri(silk_request.path),
-                             method=silk_request.method,
-                             query_params=query_params,
-                             body=body,
-                             content_type=silk_request.content_type),
             'query_params': json.dumps(query_params, sort_keys=True, indent=4) if query_params else None,
-            'client': gen(path=silk_request.path,
-                          method=silk_request.method,
-                          query_params=query_params,
-                          data=body,
-                          content_type=silk_request.content_type),
             'request': request
         }
+
+        if len(silk_request.raw_body) < 20000:  # Don't do this for large request
+            body = silk_request.raw_body
+            try:
+                body = json.loads(body)  # Incase encoded as JSON
+            except (ValueError, TypeError):
+                pass
+            context['curl'] = curl_cmd(url=request.build_absolute_uri(silk_request.path),
+                                       method=silk_request.method,
+                                       query_params=query_params,
+                                       body=body,
+                                       content_type=silk_request.content_type),
+            context['client'] = gen(path=silk_request.path,
+                                    method=silk_request.method,
+                                    query_params=query_params,
+                                    data=body,
+                                    content_type=silk_request.content_type),
+
         return render(request, 'silk/request.html', context)