defmodule Pleroma.Web.OAuth.OAuthController do use Pleroma.Web, :controller alias Pleroma.Web.OAuth.{Authorization, Token, App} alias Pleroma.{Repo, User} alias Comeonin.Pbkdf2 def authorize(conn, params) do render conn, "show.html", %{ response_type: params["response_type"], client_id: params["client_id"], scope: params["scope"], redirect_uri: params["redirect_uri"], state: params["state"] } end def create_authorization(conn, %{"authorization" => %{"name" => name, "password" => password, "client_id" => client_id, "redirect_uri" => redirect_uri} = params}) do with %User{} = user <- User.get_cached_by_nickname(name), true <- Pbkdf2.checkpw(password, user.password_hash), %App{} = app <- Repo.get_by(App, client_id: client_id), {:ok, auth} <- Authorization.create_authorization(app, user) do if redirect_uri == "urn:ietf:wg:oauth:2.0:oob" do render conn, "results.html", %{ auth: auth } else connector = if String.contains?(redirect_uri, "?"), do: "&", else: "?" url = "#{redirect_uri}#{connector}code=#{auth.token}" url = if params["state"] do url <> "&state=#{params["state"]}" else url end redirect(conn, external: url) end end end # TODO # - proper scope handling def token_exchange(conn, %{"grant_type" => "authorization_code"} = params) do with %App{} = app <- Repo.get_by(App, client_id: params["client_id"], client_secret: params["client_secret"]), fixed_token = fix_padding(params["code"]), %Authorization{} = auth <- Repo.get_by(Authorization, token: fixed_token, app_id: app.id), {:ok, token} <- Token.exchange_token(app, auth) do response = %{ token_type: "Bearer", access_token: token.token, refresh_token: token.refresh_token, expires_in: 60 * 10, scope: "read write follow" } json(conn, response) else _error -> json(conn, %{error: "Invalid credentials"}) end end defp fix_padding(token) do token |> Base.url_decode64!(padding: false) |> Base.url_encode64 end end