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Accepted
ricardo leiva sikic
Asked: 2020-12-23 09:09:53 +0800 CST 2020-12-23 09:09:53 +0800 CST

graphql-rails authentication problems

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Hello, I am following a documentation to learn the authentication with rails and graphql ( https://www.howtographql.com/graphql-ruby/4-authentication/ ) everything was fine until a mutation had to be made for the usersignin, it is supposed to Once the user verifies the object, it should return a token, but it gives me an error.

{
"error": {   "message": "undefined method `credentials' for #<GraphqlTutorial::Application:0x000055a348f9c3d8>",
}

The configuration I followed is this:

module Mutations
class SignInUser < BaseMutation
    null true

    argument :email, Types::AuthProviderEmailInput, required: false

    field :token, String, null: true
    field :user, Types::UserType, null: true

    def resolve(email: nil)
        return unless email

        user = User.find_by email: email[:email]

        return unless user
        return unless user.authenticate(email[:password])

        crypt = ActiveSupport::MessageEncryptor.new(Rails.application.credentials.secret_key_base.byteslice(0..31))
        token = crypt.encrypt_and_sign("user-id:#{ user.id }")

        { user: user, token: token }
    end
 end
end

I am sensing that it may be on the line for the crypt variable that the token is created.

ruby-on-rails

1 Answers

  1. Best Answer

    I am assuming you are using an old version of rails, as it Rails.application.credentialsis available since rails 5.2 .
    You are probably using config/secrets.yml, for which you should access using Rails.application.secrets.nombre_de_tu_key, if not, any fixed string should work, since it generally ActiveSupport::MessageEncryptor.newrequires a string that is always the same, and then uses it to generate the user token.

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