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module Api::Auth::Helpers
# The 'memoize' macro makes sure only one query is issued to find the user
memoize def current_user? : User?
auth_token.try do |value|
user_from_auth_token(value)
end
end
private def auth_token : String?
bearer_token || token_param
end
private def bearer_token : String?
context.request.headers["Authorization"]?
.try(&.gsub("Bearer", ""))
.try(&.strip)
end
private def token_param : String?
params.get?(:auth_token)
end
private def user_from_auth_token(token : String) : User?
UserToken.decode_user_id(token).try do |user_id|
UserQuery.new.id(user_id).first?
end
end
end
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