AWS SNS Verifier
Project description
AWS SNS Verifier
A Python library for verifying AWS SNS signatures based on the official AWS documentation.
Features
- Validates SNS message signatures (SHA1 and SHA256)
- Supports notification and subscription confirmation messages
- Email attachment extraction from SNS messages
- Type-safe Pydantic models
- Certificate validation and caching
Installation
uv add aws-sns-verifier
Usage
from aws_sns_verifier.validator import validate_sns_signature
from aws_sns_verifier.models import EmailWebhookRequest
# Parse your SNS message
sns_message = EmailWebhookRequest(**sns_json_data)
# Verify the signature
validate_sns_signature(sns_message, expected_topic_arn="arn:aws:sns:...")
Dependencies
- Python 3.13+
cryptography>=45.0.5pydantic>=2.11.7
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