Handle cloudflare bans on webhook requests

Fixes #5221

1 files changed, 8 insertions, 0 deletions

diff --git a/discord/webhook.py b/discord/webhook.py
index 1c097a08..7824c55a 100644
--- a/discord/webhook.py
+++ b/discord/webhook.py
@@ -222,6 +222,10 @@ class AsyncWebhookAdapter(WebhookAdapter):
 
                 # we are being rate limited
                 if r.status == 429:
+                    if not r.headers.get('Via'):
+                        # Banned by Cloudflare more than likely.
+                        raise HTTPException(r, data)
+
                     retry_after = response['retry_after'] / 1000.0
                     log.warning('Webhook ID %s is rate limited. Retrying in %.2f seconds', _id, retry_after)
                     await asyncio.sleep(retry_after)
@@ -317,6 +321,10 @@ class RequestsWebhookAdapter(WebhookAdapter):
             # we are being rate limited
             if r.status == 429:
                 if self.sleep:
+                    if not r.headers.get('Via'):
+                        # Banned by Cloudflare more than likely.
+                        raise HTTPException(r, data)
+
                     retry_after = response['retry_after'] / 1000.0
                     log.warning('Webhook ID %s is rate limited. Retrying in %.2f seconds', _id, retry_after)
                     time.sleep(retry_after)