python - How to secure a webhook in Django using Stripe -


i have webhook view receives post requests payment gateway. identifies customer , updates amount provided data.

this can exploited if webhook url somehow gets leaked.

for e.g.

curl --data "cust_no=xxxxxxxxxx&amount=1000" https://example.com/wallet/payment_webhook/

how can make secure doesn't accept such requests? should validate request coming payment gateway.

update:

the webhook request contains transaction details along customer number.

it's explicitly documented on webhooks documentation:

best practices

[...]

for optimum security, can confirm event data stripe before acting upon it. so:

  1. parse json data above.
  2. grab received event object id value.
  3. use event object id in retrieve event api call.
  4. take action using returned event object.

see webhook-mailer working example. pay particular attention this line:

# retrieving event stripe api guarantees authenticity   event = stripe::event.retrieve(data[:id])

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