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Merge branch 'refactor/oauth_controller_response' into 'develop'

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Refactoring  oauth response.

See merge request pleroma/pleroma!1149
This commit is contained in:
lambda 2019-05-14 14:49:45 +00:00
commit 37dc1cc431
4 changed files with 136 additions and 64 deletions
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77
lib/pleroma/web/oauth/oauth_controller.ex
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@ -19,8 +19,6 @@ defmodule Pleroma.Web.OAuth.OAuthController do
if Pleroma.Config.oauth_consumer_enabled?(), do: plug(Ueberauth)
@expires_in Pleroma.Config.get([:oauth2, :token_expires_in], 600)
plug(:fetch_session)
plug(:fetch_flash)
@ -144,14 +142,14 @@ defp handle_create_authorization_error(conn, error, %{"authorization" => _}) do
@doc "Renew access_token with refresh_token"
def token_exchange(
conn,
%{"grant_type" => "refresh_token", "refresh_token" => token} = params
%{"grant_type" => "refresh_token", "refresh_token" => token} = _params
) do
with %App{} = app <- get_app_from_request(conn, params),
with {:ok, app} <- Token.Utils.fetch_app(conn),
{:ok, %{user: user} = token} <- Token.get_by_refresh_token(app, token),
{:ok, token} <- RefreshToken.grant(token) do
response_attrs = %{created_at: Token.Utils.format_created_at(token)}
json(conn, response_token(user, token, response_attrs))
json(conn, Token.Response.build(user, token, response_attrs))
else
_error ->
put_status(conn, 400)
@ -160,14 +158,14 @@ def token_exchange(
end
def token_exchange(conn, %{"grant_type" => "authorization_code"} = params) do
with %App{} = app <- get_app_from_request(conn, params),
with {:ok, app} <- Token.Utils.fetch_app(conn),
fixed_token = Token.Utils.fix_padding(params["code"]),
{:ok, auth} <- Authorization.get_by_token(app, fixed_token),
%User{} = user <- User.get_cached_by_id(auth.user_id),
{:ok, token} <- Token.exchange_token(app, auth) do
response_attrs = %{created_at: Token.Utils.format_created_at(token)}
json(conn, response_token(user, token, response_attrs))
json(conn, Token.Response.build(user, token, response_attrs))
else
_error ->
put_status(conn, 400)
@ -179,14 +177,14 @@ def token_exchange(
conn,
%{"grant_type" => "password"} = params
) do
with {_, {:ok, %User{} = user}} <- {:get_user, Authenticator.get_user(conn)},
%App{} = app <- get_app_from_request(conn, params),
with {:ok, %User{} = user} <- Authenticator.get_user(conn),
{:ok, app} <- Token.Utils.fetch_app(conn),
{:auth_active, true} <- {:auth_active, User.auth_active?(user)},
{:user_active, true} <- {:user_active, !user.info.deactivated},
{:ok, scopes} <- validate_scopes(app, params),
{:ok, auth} <- Authorization.create_authorization(app, user, scopes),
{:ok, token} <- Token.exchange_token(app, auth) do
json(conn, response_token(user, token))
json(conn, Token.Response.build(user, token))
else
{:auth_active, false} ->
# Per https://github.com/tootsuite/mastodon/blob/
@ -218,21 +216,11 @@ def token_exchange(
token_exchange(conn, params)
end
def token_exchange(conn, %{"grant_type" => "client_credentials"} = params) do
with %App{} = app <- get_app_from_request(conn, params),
def token_exchange(conn, %{"grant_type" => "client_credentials"} = _params) do
with {:ok, app} <- Token.Utils.fetch_app(conn),
{:ok, auth} <- Authorization.create_authorization(app, %User{}),
{:ok, token} <- Token.exchange_token(app, auth),
{:ok, inserted_at} <- DateTime.from_naive(token.inserted_at, "Etc/UTC") do
response = %{
token_type: "Bearer",
access_token: token.token,
refresh_token: token.refresh_token,
created_at: DateTime.to_unix(inserted_at),
expires_in: 60 * 10,
scope: Enum.join(token.scopes, " ")
}
json(conn, response)
{:ok, token} <- Token.exchange_token(app, auth) do
json(conn, Token.Response.build_for_client_credentials(token))
else
_error ->
put_status(conn, 400)
@ -244,7 +232,7 @@ def token_exchange(conn, %{"grant_type" => "client_credentials"} = params) do
def token_exchange(conn, params), do: bad_request(conn, params)
def token_revoke(conn, %{"token" => _token} = params) do
with %App{} = app <- get_app_from_request(conn, params),
with {:ok, app} <- Token.Utils.fetch_app(conn),
{:ok, _token} <- RevokeToken.revoke(app, params) do
json(conn, %{})
else
@ -427,33 +415,6 @@ defp do_create_authorization(
end
end
defp get_app_from_request(conn, params) do
conn
|> fetch_client_credentials(params)
|> fetch_client
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, params) do
# Per RFC 6749, HTTP Basic is preferred to body params
with ["Basic " <> encoded] <- 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
_ -> {params["client_id"], params["client_secret"]}
end
end
# Special case: Local MastodonFE
defp redirect_uri(conn, "."), do: mastodon_api_url(conn, :login)
@ -464,18 +425,6 @@ defp get_session_registration_id(conn), do: get_session(conn, :registration_id)
defp put_session_registration_id(conn, registration_id),
do: put_session(conn, :registration_id, registration_id)
defp response_token(%User{} = user, token, opts \\ %{}) do
%{
token_type: "Bearer",
access_token: token.token,
refresh_token: token.refresh_token,
expires_in: @expires_in,
scope: Enum.join(token.scopes, " "),
me: user.ap_id
}
|> Map.merge(opts)
end
@spec validate_scopes(App.t(), map()) ::
{:ok, list()} | {:error, :missing_scopes | :unsupported_scopes}
defp validate_scopes(app, params) do

32
lib/pleroma/web/oauth/token/response.ex Normal file
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@ -0,0 +1,32 @@
defmodule Pleroma.Web.OAuth.Token.Response do
@moduledoc false
alias Pleroma.User
alias Pleroma.Web.OAuth.Token.Utils
@expires_in Pleroma.Config.get([:oauth2, :token_expires_in], 600)
@doc false
def build(%User{} = user, token, opts \\ %{}) do
%{
token_type: "Bearer",
access_token: token.token,
refresh_token: token.refresh_token,
expires_in: @expires_in,
scope: Enum.join(token.scopes, " "),
me: user.ap_id
}
|> Map.merge(opts)
end
def build_for_client_credentials(token) do
%{
token_type: "Bearer",
access_token: token.token,
refresh_token: token.refresh_token,
created_at: Utils.format_created_at(token),
expires_in: @expires_in,
scope: Enum.join(token.scopes, " ")
}
end
end

38
lib/pleroma/web/oauth/token/utils.ex
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@ -3,6 +3,44 @@ defmodule Pleroma.Web.OAuth.Token.Utils do
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

53
test/web/oauth/token/utils_test.exs Normal file
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@ -0,0 +1,53 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.OAuth.Token.UtilsTest do
use Pleroma.DataCase
alias Pleroma.Web.OAuth.Token.Utils
import Pleroma.Factory
describe "fetch_app/1" do
test "returns error when credentials is invalid" do
assert {:error, :not_found} =
Utils.fetch_app(%Plug.Conn{params: %{"client_id" => 1, "client_secret" => "x"}})
end
test "returns App by params credentails" do
app = insert(:oauth_app)
assert {:ok, load_app} =
Utils.fetch_app(%Plug.Conn{
params: %{"client_id" => app.client_id, "client_secret" => app.client_secret}
})
assert load_app == app
end
test "returns App by header credentails" do
app = insert(:oauth_app)
header = "Basic " <> Base.encode64("#{app.client_id}:#{app.client_secret}")
conn =
%Plug.Conn{}
|> Plug.Conn.put_req_header("authorization", header)
assert {:ok, load_app} = Utils.fetch_app(conn)
assert load_app == app
end
end
describe "format_created_at/1" do
test "returns formatted created at" do
token = insert(:oauth_token)
date = Utils.format_created_at(token)
token_date =
token.inserted_at
|> DateTime.from_naive!("Etc/UTC")
|> DateTime.to_unix()
assert token_date == date
end
end
end