mirror of
https://akkoma.dev/AkkomaGang/akkoma.git
synced 2024-11-30 17:11:40 +00:00
73 lines
2 KiB
Elixir
73 lines
2 KiB
Elixir
# Pleroma: A lightweight social networking server
|
|
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
|
|
# SPDX-License-Identifier: AGPL-3.0-only
|
|
|
|
defmodule Pleroma.Web.OAuth.Token.Utils do
|
|
@moduledoc """
|
|
Auxiliary functions for dealing with tokens.
|
|
"""
|
|
|
|
alias Pleroma.Repo
|
|
alias Pleroma.Web.OAuth.App
|
|
|
|
@doc "Fetch app by client credentials from request"
|
|
@spec fetch_app(Plug.Conn.t()) :: {:ok, App.t()} | {:error, :not_found}
|
|
def fetch_app(conn) do
|
|
res =
|
|
conn
|
|
|> fetch_client_credentials()
|
|
|> fetch_client
|
|
|
|
case res do
|
|
%App{} = app -> {:ok, app}
|
|
_ -> {:error, :not_found}
|
|
end
|
|
end
|
|
|
|
defp fetch_client({id, secret}) when is_binary(id) and is_binary(secret) do
|
|
Repo.get_by(App, client_id: id, client_secret: secret)
|
|
end
|
|
|
|
defp fetch_client({_id, _secret}), do: nil
|
|
|
|
defp fetch_client_credentials(conn) do
|
|
# Per RFC 6749, HTTP Basic is preferred to body params
|
|
with ["Basic " <> encoded] <- Plug.Conn.get_req_header(conn, "authorization"),
|
|
{:ok, decoded} <- Base.decode64(encoded),
|
|
[id, secret] <-
|
|
Enum.map(
|
|
String.split(decoded, ":"),
|
|
fn s -> URI.decode_www_form(s) end
|
|
) do
|
|
{id, secret}
|
|
else
|
|
_ -> {conn.params["client_id"], conn.params["client_secret"]}
|
|
end
|
|
end
|
|
|
|
@doc "convert token inserted_at to unix timestamp"
|
|
def format_created_at(%{inserted_at: inserted_at} = _token) do
|
|
inserted_at
|
|
|> DateTime.from_naive!("Etc/UTC")
|
|
|> DateTime.to_unix()
|
|
end
|
|
|
|
@doc false
|
|
@spec generate_token(keyword()) :: binary()
|
|
def generate_token(opts \\ []) do
|
|
opts
|
|
|> Keyword.get(:size, 32)
|
|
|> :crypto.strong_rand_bytes()
|
|
|> Base.url_encode64(padding: false)
|
|
end
|
|
|
|
# XXX - for whatever reason our token arrives urlencoded, but Plug.Conn should be
|
|
# decoding it. Investigate sometime.
|
|
def fix_padding(token) do
|
|
token
|
|
|> URI.decode()
|
|
|> Base.url_decode64!(padding: false)
|
|
|> Base.url_encode64(padding: false)
|
|
end
|
|
end
|