defmodule Pleroma.Web.OAuth.OAuthController do
use Pleroma.Web, :controller
+ alias Pleroma.Registration
alias Pleroma.Repo
alias Pleroma.User
- alias Pleroma.Registration
alias Pleroma.Web.Auth.Authenticator
+ alias Pleroma.Web.ControllerHelper
alias Pleroma.Web.OAuth.App
alias Pleroma.Web.OAuth.Authorization
alias Pleroma.Web.OAuth.Token
import Pleroma.Web.ControllerHelper, only: [oauth_scopes: 2]
- if Pleroma.Config.get([:auth, :oauth_consumer_enabled]), do: plug(Ueberauth)
+ if Pleroma.Config.oauth_consumer_enabled?(), do: plug(Ueberauth)
plug(:fetch_session)
plug(:fetch_flash)
action_fallback(Pleroma.Web.OAuth.FallbackController)
- def authorize(conn, params) do
+ def authorize(%{assigns: %{token: %Token{} = token}} = conn, params) do
+ if ControllerHelper.truthy_param?(params["force_login"]) do
+ do_authorize(conn, params)
+ else
+ redirect_uri =
+ if is_binary(params["redirect_uri"]) do
+ params["redirect_uri"]
+ else
+ app = Repo.preload(token, :app).app
+
+ app.redirect_uris
+ |> String.split()
+ |> Enum.at(0)
+ end
+
+ redirect(conn, external: redirect_uri(conn, redirect_uri))
+ end
+ end
+
+ def authorize(conn, params), do: do_authorize(conn, params)
+
+ defp do_authorize(conn, params) do
app = Repo.get_by(App, client_id: params["client_id"])
available_scopes = (app && app.scopes) || []
scopes = oauth_scopes(params, nil) || available_scopes
def create_authorization(
conn,
- %{
- "authorization" => %{"redirect_uri" => redirect_uri} = auth_params
- } = params,
+ %{"authorization" => auth_params} = params,
opts \\ []
) do
- with {:ok, auth} <-
- (opts[:auth] && {:ok, opts[:auth]}) ||
- do_create_authorization(conn, params, opts[:user]) do
- redirect_uri = redirect_uri(conn, redirect_uri)
-
- cond do
- redirect_uri == "urn:ietf:wg:oauth:2.0:oob" ->
- render(conn, "results.html", %{
- auth: auth
- })
-
- true ->
- connector = if String.contains?(redirect_uri, "?"), do: "&", else: "?"
- url = "#{redirect_uri}#{connector}"
- url_params = %{:code => auth.token}
-
- url_params =
- if auth_params["state"] do
- Map.put(url_params, :state, auth_params["state"])
- else
- url_params
- end
+ with {:ok, auth} <- do_create_authorization(conn, params, opts[:user]) do
+ after_create_authorization(conn, auth, auth_params)
+ else
+ error ->
+ handle_create_authorization_error(conn, error, auth_params)
+ end
+ end
- url = "#{url}#{Plug.Conn.Query.encode(url_params)}"
+ def after_create_authorization(conn, auth, %{"redirect_uri" => redirect_uri} = auth_params) do
+ redirect_uri = redirect_uri(conn, redirect_uri)
- redirect(conn, external: url)
- end
+ if redirect_uri == "urn:ietf:wg:oauth:2.0:oob" do
+ render(conn, "results.html", %{
+ auth: auth
+ })
else
- {scopes_issue, _} when scopes_issue in [:unsupported_scopes, :missing_scopes] ->
- conn
- |> put_flash(:error, "Permissions not specified.")
- |> put_status(:unauthorized)
- |> authorize(auth_params)
+ connector = if String.contains?(redirect_uri, "?"), do: "&", else: "?"
+ url = "#{redirect_uri}#{connector}"
+ url_params = %{:code => auth.token}
- {:auth_active, false} ->
- conn
- |> put_flash(:error, "Account confirmation pending.")
- |> put_status(:forbidden)
- |> authorize(auth_params)
+ url_params =
+ if auth_params["state"] do
+ Map.put(url_params, :state, auth_params["state"])
+ else
+ url_params
+ end
- error ->
- Authenticator.handle_error(conn, error)
+ url = "#{url}#{Plug.Conn.Query.encode(url_params)}"
+
+ redirect(conn, external: url)
end
end
+ defp handle_create_authorization_error(conn, {scopes_issue, _}, auth_params)
+ when scopes_issue in [:unsupported_scopes, :missing_scopes] do
+ # Per https://github.com/tootsuite/mastodon/blob/
+ # 51e154f5e87968d6bb115e053689767ab33e80cd/app/controllers/api/base_controller.rb#L39
+ conn
+ |> put_flash(:error, "This action is outside the authorized scopes")
+ |> put_status(:unauthorized)
+ |> authorize(auth_params)
+ end
+
+ defp handle_create_authorization_error(conn, {:auth_active, false}, auth_params) do
+ # Per https://github.com/tootsuite/mastodon/blob/
+ # 51e154f5e87968d6bb115e053689767ab33e80cd/app/controllers/api/base_controller.rb#L76
+ conn
+ |> put_flash(:error, "Your login is missing a confirmed e-mail address")
+ |> put_status(:forbidden)
+ |> authorize(auth_params)
+ end
+
+ defp handle_create_authorization_error(conn, error, _auth_params) do
+ Authenticator.handle_error(conn, error)
+ end
+
def token_exchange(conn, %{"grant_type" => "authorization_code"} = params) do
with %App{} = app <- get_app_from_request(conn, params),
fixed_token = fix_padding(params["code"]),
%Authorization{} = auth <-
Repo.get_by(Authorization, token: fixed_token, app_id: app.id),
- %User{} = user <- Repo.get(User, auth.user_id),
+ %User{} = user <- User.get_by_id(auth.user_id),
{:ok, token} <- Token.exchange_token(app, auth),
{:ok, inserted_at} <- DateTime.from_naive(token.inserted_at, "Etc/UTC") do
response = %{
with {_, {:ok, %User{} = user}} <- {:get_user, Authenticator.get_user(conn, params)},
%App{} = app <- get_app_from_request(conn, params),
{:auth_active, true} <- {:auth_active, User.auth_active?(user)},
+ {:user_active, true} <- {:user_active, !user.info.deactivated},
scopes <- oauth_scopes(params, app.scopes),
[] <- scopes -- app.scopes,
true <- Enum.any?(scopes),
json(conn, response)
else
{:auth_active, false} ->
+ # Per https://github.com/tootsuite/mastodon/blob/
+ # 51e154f5e87968d6bb115e053689767ab33e80cd/app/controllers/api/base_controller.rb#L76
conn
|> put_status(:forbidden)
- |> json(%{error: "Account confirmation pending"})
+ |> json(%{error: "Your login is missing a confirmed e-mail address"})
+
+ {:user_active, false} ->
+ conn
+ |> put_status(:forbidden)
+ |> json(%{error: "Your account is currently disabled"})
_error ->
put_status(conn, 400)
end
end
+ @doc "Prepares OAuth request to provider for Ueberauth"
+ def prepare_request(conn, %{"provider" => provider} = params) do
+ scope =
+ oauth_scopes(params, [])
+ |> Enum.join(" ")
+
+ state =
+ params
+ |> Map.delete("scopes")
+ |> Map.put("scope", scope)
+ |> Poison.encode!()
+
+ params =
+ params
+ |> Map.drop(~w(scope scopes client_id redirect_uri))
+ |> Map.put("state", state)
+
+ # Handing the request to Ueberauth
+ redirect(conn, to: o_auth_path(conn, :request, provider, params))
+ end
+
def request(conn, params) do
message =
if params["provider"] do
|> redirect(to: "/")
end
- def callback(%{assigns: %{ueberauth_failure: failure}} = conn, %{"redirect_uri" => redirect_uri}) do
+ def callback(%{assigns: %{ueberauth_failure: failure}} = conn, params) do
+ params = callback_params(params)
messages = for e <- Map.get(failure, :errors, []), do: e.message
message = Enum.join(messages, "; ")
conn
|> put_flash(:error, "Failed to authenticate: #{message}.")
- |> redirect(external: redirect_uri(conn, redirect_uri))
+ |> redirect(external: redirect_uri(conn, params["redirect_uri"]))
end
- def callback(
- conn,
- %{"client_id" => client_id, "redirect_uri" => redirect_uri} = params
- ) do
+ def callback(conn, params) do
+ params = callback_params(params)
+
with {:ok, registration} <- Authenticator.get_registration(conn, params) do
user = Repo.preload(registration, :user).user
-
- auth_params = %{
- "client_id" => client_id,
- "redirect_uri" => redirect_uri,
- "scopes" => oauth_scopes(params, nil)
- }
+ auth_params = Map.take(params, ~w(client_id redirect_uri scope scopes state))
if user do
create_authorization(
conn
|> put_session(:registration_id, registration.id)
- |> redirect(to: o_auth_path(conn, :registration_details, registration_params))
+ |> registration_details(registration_params)
end
else
_ ->
conn
|> put_flash(:error, "Failed to set up user account.")
- |> redirect(external: redirect_uri(conn, redirect_uri))
+ |> redirect(external: redirect_uri(conn, params["redirect_uri"]))
end
end
+ defp callback_params(%{"state" => state} = params) do
+ Map.merge(params, Poison.decode!(state))
+ end
+
def registration_details(conn, params) do
render(conn, "register.html", %{
client_id: params["client_id"],
redirect_uri: params["redirect_uri"],
+ state: params["state"],
scopes: oauth_scopes(params, []),
nickname: params["nickname"],
email: params["email"]
end
def register(conn, %{"op" => "connect"} = params) do
- create_authorization_params = %{
- "authorization" => Map.merge(params, %{"name" => params["auth_name"]})
- }
+ authorization_params = Map.put(params, "name", params["auth_name"])
+ create_authorization_params = %{"authorization" => authorization_params}
with registration_id when not is_nil(registration_id) <- get_session_registration_id(conn),
%Registration{} = registration <- Repo.get(Registration, registration_id),
- {:ok, auth} <- do_create_authorization(conn, create_authorization_params),
+ {_, {:ok, auth}} <-
+ {:create_authorization, do_create_authorization(conn, create_authorization_params)},
%User{} = user <- Repo.preload(auth, :user).user,
{:ok, _updated_registration} <- Registration.bind_to_user(registration, user) do
conn
|> put_session_registration_id(nil)
- |> create_authorization(
- create_authorization_params,
- auth: auth
- )
+ |> after_create_authorization(auth, authorization_params)
else
+ {:create_authorization, error} ->
+ {:register, handle_create_authorization_error(conn, error, create_authorization_params)}
+
_ ->
- conn
- |> put_flash(:error, "Unknown error, please try again.")
- |> redirect(to: o_auth_path(conn, :registration_details, params))
+ {:register, :generic_error}
end
end
- def register(conn, params) do
+ def register(conn, %{"op" => "register"} = params) do
with registration_id when not is_nil(registration_id) <- get_session_registration_id(conn),
%Registration{} = registration <- Repo.get(Registration, registration_id),
{:ok, user} <- Authenticator.create_from_registration(conn, params, registration) do
)
conn
+ |> put_status(:forbidden)
|> put_flash(:error, "Error: #{message}.")
- |> redirect(to: o_auth_path(conn, :registration_details, params))
+ |> registration_details(params)
_ ->
- conn
- |> put_flash(:error, "Unknown error, please try again.")
- |> redirect(to: o_auth_path(conn, :registration_details, params))
+ {:register, :generic_error}
end
end