akkoma/lib/pleroma/web/oauth/authorization.ex

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defmodule Pleroma.Web.OAuth.Authorization do
use Ecto.Schema
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alias Pleroma.{User, Repo}
alias Pleroma.Web.OAuth.{Authorization, App}
import Ecto.{Changeset}
schema "oauth_authorizations" do
field :token, :string
field :valid_until, :naive_datetime
field :used, :boolean, default: false
belongs_to :user, Pleroma.User
belongs_to :app, Pleroma.App
timestamps()
end
def create_authorization(%App{} = app, %User{} = user) do
token = :crypto.strong_rand_bytes(32) |> Base.url_encode64
authorization = %Authorization{
token: token,
used: false,
user_id: user.id,
app_id: app.id,
valid_until: NaiveDateTime.add(NaiveDateTime.utc_now, 60 * 10)
}
Repo.insert(authorization)
end
def use_changeset(%Authorization{} = auth, params) do
auth
|> cast(params, [:used])
|> validate_required([:used])
end
def use_token(%Authorization{used: false, valid_until: valid_until} = auth) do
if NaiveDateTime.diff(NaiveDateTime.utc_now, valid_until) < 0 do
Repo.update(use_changeset(auth, %{used: true}))
else
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{:error, "Token expired"}
end
end
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def use_token(%Authorization{used: true}), do: {:error, "Already used"}
end