Support authentication using a JSON web token (JWT) #93 #100
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* Created new configuration section for JWT Auth - Configure a JWK to verify a JWT signature - Configure requried signature algorithms - Configure required audience and issuer claims - Configure name of username claim * Added code block in lambda_handler_user to validate JWT if configured - Require remote_usernames == bastion_user - Require valid JWT signature, expiry, and signature algorithm - Require username_claim in JWT - Require username_claim == bastion_user * Added unit tests for config and JWT validation
… hash * Pin marshmellow to a version less than 3. This might be fixed in Netflix#99 * Disable at_hash verification if present in the JWT, since the bless lambda doesn't have access to the a hash of the access token.
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@russell-lewis am I able to get a hand reviewing this PR? |
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This PR enables support for authentication with OpenIDConnect by verifying a JWT #93
A third party library (https://github.com/mpdavis/python-jose) is introduced to verify a JSON Web Token (JWT), and parse a JSON Web Key (JWK). This library was chosen because it is well maintained, a compatible license, features on jwt.io, is light weight, and can support JWKs.