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Merge pull request #887 from consideRatio/pr/awscogito-example

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docs(awscognito): add custom claims example
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Erik Sundell
2023-05-13 20:04:49 +02:00
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docs/howto/auth/awscognito.md
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@@ -126,3 +126,20 @@ For more information on `tljh-config`, see [](/topic/tljh-config).
Jupyter interface used in this JupyterHub.
5. **If this does not work** you can revert back to the default
JupyterHub authenticator by following the steps in [](/howto/auth/firstuse).
## Optionally using custom claims for group mapping
If you use AWS Cognito to federate with an OIDC provider and you want to
authorize your users based on e.g. their department claim, you have to make sure
that the custom claim is provided as array.
If it is not provided as array, there is an easy fix. Just add these lines to
your `awscognito.py`:
```python
def claim_groups_key_func(user_data_resp_json):
return [user_data_resp_json['custom:department']]
c.GenericOAuthenticator.claim_groups_key = claim_groups_key_func
c.GenericOAuthenticator.allowed_groups = ["AA BB CC", "AA BB DD"]
```