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aws-sns-verify: Parse and verify AWS SNS messages

[ amazon, aws, cloud, cryptography, distributed-computing, library, mit, network, web ] [ Propose Tags ]

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Versions [RSS] 0.0.0.0, 0.0.0.1, 0.0.0.2, 0.0.0.3
Change log CHANGELOG.md
Dependencies aeson (>=1.3.1.1), base (>=4.7 && <5), bytestring (>=0.10.8.2), crypton-x509, crypton-x509-validation, errors (>=2.3.0), http-conduit (>=2.3.2), memory (>=0.14.18), network-uri (>=2.6.1.0), pem (>=0.2.4), regex-tdfa (>=1.2.3.1), text (>=1.2.3.1) [details]
License MIT
Copyright 2022 Freckle By Renaissance
Author Freckle
Maintainer engineering@freckle.com
Revised Revision 1 made by PatrickBrisbin at 2023-10-05T14:47:19Z
Category Network, Web, AWS, Amazon, Cloud, Cryptography, Distributed-Computing
Home page https://github.com/freckle/aws-sns-verify#readme
Bug tracker https://github.com/freckle/aws-sns-verify/issues
Source repo head: git clone https://github.com/freckle/aws-sns-verify
Uploaded by PatrickBrisbin at 2023-07-26T16:28:57Z
Distributions LTSHaskell:0.0.0.3, NixOS:0.0.0.3, Stackage:0.0.0.3
Downloads 360 total (17 in the last 30 days)
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Status Docs available [build log]
Last success reported on 2023-07-26 [all 1 reports]

Readme for aws-sns-verify-0.0.0.3

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aws-sns-verify

Consumers utilizing SNS need to do 3 tasks:

  1. Parse the message JSON
  2. Validate signed signatures
  3. Handle subscriptions

This library encapsulates those actions.

myEchoWebhook :: MonadHandler m => m ()
myEchoWebhook = do
  message <- verifySNSMessage =<< requireInsecureJsonBody
  logDebugN message

Sign For Test

Signatures for testing are produced with the self signed certificate in this repository.

cat unsigned.txt | openssl dgst -sha1 -sign tests/key.pem | openssl base64

The certificate was produced with

openssl req -newkey rsa:2048 -new -nodes -x509 -days 3650 -keyout tests/key.pem -out tests/cert.pem