Added OpenID Json Web Key Sets for verification via the @auth directive #564
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Description
According to OpenID configuration, verification of JWTs should be validated against the authentication server's JWKS to ensure that the server signed it. Instead of interpreting the JWT via a secret or PEM file (which if maliciously stolen, could rewrite JWTs), we verify via the signature represented by the token's kid at the endpoint
https://YOUR_DOMAIN/.well-known/jwks.json
.These changes are currently non-breaking changes.
Issue
#252
Passing a decoded token only partially solves this verification issue. We'd rather perform verification via the GraphQL @auth directive so checks occur at each request and are done without secrets.
Checklist
The following requirements should have been met (depending on the changes in the branch):