Dimitris G. daremon
amertkara
/ aws_utils.py
Last active
March 13, 2024 11:10
Amazon SNS Notification Verification with Python, M2Crypto. When the SNS pushes a notification, a receiver should verify the origin/integrity of the push notification (AWS) using the signature and certificate provided in the notification data. The function `verify_sns_notification` below takes the request object and verifies the origin/integrity…
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| # -*- coding: utf-8 -*- | |
| import json | |
| import urllib2 | |
| from M2Crypto import X509 | |
| from base64 import b64decode | |
| from M2Crypto.Err import M2CryptoError | |
| SNS_MESSAGE_TYPE_SUB_NOTIFICATION = "SubscriptionConfirmation" | |
| SNS_MESSAGE_TYPE_NOTIFICATION = "Notification" | |
| SNS_MESSAGE_TYPE_UNSUB_NOTIFICATION = "UnsubscribeConfirmation" |