Commit 1097ce6d authored by Ivan Tashkinov's avatar Ivan Tashkinov

Auth customization support.

OAuthController#create_authorization user retrieval / creation, errors handling, template & layout selection.
parent 2813f28b
......@@ -3,6 +3,14 @@
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.OAuth do
@authenticator Application.get_env(
:pleroma,
Pleroma.Web.AuthenticatorAdapter,
Pleroma.Web.Authenticator
)
def authenticator, do: @authenticator
def parse_scopes(scopes, _default) when is_list(scopes) do
Enum.filter(scopes, &(&1 not in [nil, ""]))
end
......
defmodule Pleroma.Web.Authenticator do
alias Pleroma.User
alias Comeonin.Pbkdf2
@behaviour Pleroma.Web.AuthenticatorAdapter
def get_user(%Plug.Conn{} = conn) do
%{"authorization" => %{"name" => name, "password" => password}} = conn.params
with {_, %User{} = user} <- {:user, User.get_by_nickname_or_email(name)},
{_, true} <- {:checkpw, Pbkdf2.checkpw(password, user.password_hash)} do
{:ok, user}
else
error ->
{:error, error}
end
end
def handle_error(%Plug.Conn{} = _conn, error) do
error
end
end
defmodule Pleroma.Web.AuthenticatorAdapter do
alias Pleroma.User
@callback get_user(Plug.Conn.t()) :: {:ok, User.t()} | {:error, any()}
@callback handle_error(Plug.Conn.t(), any()) :: any()
end
......@@ -5,6 +5,7 @@
defmodule Pleroma.Web.OAuth.OAuthController do
use Pleroma.Web, :controller
alias Pleroma.Web.OAuth
alias Pleroma.Web.OAuth.Authorization
alias Pleroma.Web.OAuth.Token
alias Pleroma.Web.OAuth.App
......@@ -24,27 +25,27 @@ defmodule Pleroma.Web.OAuth.OAuthController do
available_scopes = (app && app.scopes) || []
scopes = oauth_scopes(params, nil) || available_scopes
render(conn, "show.html", %{
template = Application.get_env(:pleroma, :auth_template, "show.html")
render(conn, template, %{
response_type: params["response_type"],
client_id: params["client_id"],
available_scopes: available_scopes,
scopes: scopes,
redirect_uri: params["redirect_uri"],
state: params["state"]
state: params["state"],
params: params
})
end
def create_authorization(conn, %{
"authorization" =>
%{
"name" => name,
"password" => password,
"client_id" => client_id,
"redirect_uri" => redirect_uri
} = auth_params
}) do
with %User{} = user <- User.get_by_nickname_or_email(name),
true <- Pbkdf2.checkpw(password, user.password_hash),
with {_, {:ok, %User{} = user}} <- {:get_user, OAuth.authenticator().get_user(conn)},
%App{} = app <- Repo.get_by(App, client_id: client_id),
true <- redirect_uri in String.split(app.redirect_uris),
scopes <- oauth_scopes(auth_params, []),
......@@ -53,9 +54,9 @@ defmodule Pleroma.Web.OAuth.OAuthController do
{:missing_scopes, false} <- {:missing_scopes, scopes == []},
{:auth_active, true} <- {:auth_active, User.auth_active?(user)},
{:ok, auth} <- Authorization.create_authorization(app, user, scopes) do
# Special case: Local MastodonFE.
redirect_uri =
if redirect_uri == "." do
# Special case: Local MastodonFE
mastodon_api_url(conn, :login)
else
redirect_uri
......@@ -97,7 +98,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
|> authorize(auth_params)
error ->
error
OAuth.authenticator().handle_error(conn, error)
end
end
......
......@@ -26,6 +26,8 @@ defmodule Pleroma.Web do
import Plug.Conn
import Pleroma.Web.Gettext
import Pleroma.Web.Router.Helpers
plug(:put_layout, Application.get_env(:pleroma, :app_template, "app.html"))
end
end
......
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