bnchrch

Auth0_jwks - I made an Auth0 plug so you don't have to!

Hey all,

I spent a good part of today battling with Auth0’s awkward documentation and muddy concepts trying to figure out how I can turn an access token from my web client into actionable user data on my API.

As a result I created a small plug to help the community avoid the pitfall I ran into trying to get this running. I hope you enjoy!

P.s. I’ll put out a tutorial around this in a week or so

4 comments

/phoenix #authentication #oauth2

13 1460 4

2020-05-05 03:50:21 UTC

Most Liked

chulkilee

Welcome to the forum - and thanks for the contribution to the community

Quick notes

github.com

bechurch/auth0_jwks/blob/3584412a04ae8c5a1ed3be221cf51134db294155/lib/plug/validate_token.ex#L14-L21


def extract_bearer_token([header | _]) do
  ~r/bearer (.+)/i
  |> Regex.scan(header)
  |> List.flatten()
  |> case do
    [_, token] -> token
    _ -> nil
  end

Do you need to handle bearer not Bearer?

Note that “Bearer” is now case sensitive. Per original HTTP spec, auth scheme is case insensitive (https://tools.ietf.org/html/rfc2617#section-1.2) however “Basic” and “Bearer” are exceptions (see https://tools.ietf.org/html/rfc6750#section-2.1)

In my case, I usually just accept the good request (Bearer) - then you can simplify this by pattern match on the string - "Bearer " <> token = header

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Auth0_jwks - I made an Auth0 plug so you don't have to!

bnchrch

Auth0_jwks - I made an Auth0 plug so you don't have to!

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Auth0_jwks - I made an Auth0 plug so you don't have to!

bnchrch

Auth0_jwks - I made an Auth0 plug so you don't have to!

Most Liked

chulkilee

Where Next?

Popular in Libraries

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Elixir Media Libs

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