I have this Guardian module: defmodule Sntx.Guardian do use Guardian, otp_app: :sntx alias Sntx.Repo alias Sntx.User.Account def subject_for_token(user, _claims) do sub = to_string(user.id) {:ok, sub} end def resource_from_claims(claims) do user = Repo.get(Account, claims…

The basic cause is that a + character (byte value 43) appears in a string that :jose_jwk.from_map/1 treats as encoded in URL-safe Base64, which doesn’t allow that character. That behavior is directly from the specification for kty = oct . The root cause is that this incorrectly-encoded value is bein…

There is a public repo here: https://github.com/zoedsoupe/sntx , on branch feature/blog-posts

Not directly answering your question, but just in case [image] Guardian Library issue - (Plug.Conn.AlreadySentError) the response was already sent it looks like you are only storing the user id in the token, in which case you can probably remove Guardian completely and just store the user id dir…

Oh thank you! I generated the token with mix guardian.gen.secret but it seem was generated with a + char!

Yeah, that’s a tricky one - the sets of characters used by encode64 and url_encode64 are nearly the same, so you got a bad roll of the dice. I created an issue on Guardian to address / document this: https://github.com/ueberauth/guardian/issues/718

Guardian error when creating jwt token

Questions & Help Questions

adamu February 16, 2023, 2:08am 4

Not directly answering your question, but just in case