User login and refresh on auth_session (phase 2). Refs EventHub/EventHubBack#26

This commit is contained in:
2026-07-07 19:33:24 +03:00
parent 7c5f2d26b8
commit 018bf85b87
6 changed files with 862 additions and 748 deletions
+95 -102
View File
@@ -1,102 +1,95 @@
%%%-------------------------------------------------------------------
%%% @doc Обработчик обновления токена (клиентский API).
%%% POST принимает refresh_token, возвращает новую пару access + refresh токенов.
%%% @end
%%%-------------------------------------------------------------------
-module(handler_refresh).
-behaviour(cowboy_handler).
-export([init/2]).
-export([trails/0]).
-include("records.hrl").
%%% cowboy_handler callback
-spec init(cowboy_req:req(), any()) -> {ok, cowboy_req:req(), any()}.
init(Req, _Opts) ->
case cowboy_req:method(Req) of
<<"POST">> -> refresh(Req);
_ -> handler_utils:send_error(Req, 405, <<"Method not allowed">>)
end.
%%% Swagger metadata
-spec trails() -> [map()].
trails() ->
[
#{
path => <<"/v1/auth/refresh">>,
method => <<"POST">>,
description => <<"Refresh user access token using refresh token">>,
tags => [<<"Auth">>],
requestBody => #{
required => true,
content => #{
<<"application/json">> => #{
schema => #{
type => object,
required => [<<"refresh_token">>],
properties => #{refresh_token => #{type => string}}
}
}
}
},
responses => #{
200 => #{
description => <<"New user token pair (access + refresh)">>,
content => #{
<<"application/json">> => #{
schema => token_pair_schema()
}
}
},
400 => #{description => <<"Missing refresh_token field or invalid JSON">>},
401 => #{description => <<"Refresh token expired or not found">>}
}
}
].
token_pair_schema() ->
#{
type => object,
properties => #{
token => #{type => string, description => <<"JWT access token">>},
refresh_token => #{type => string, description => <<"Refresh token">>}
}
}.
%%%===================================================================
%%% HTTP-методы
%%%===================================================================
%% @doc POST /v1/auth/refresh — обновление пользовательского токена.
-spec refresh(cowboy_req:req()) -> {ok, binary(), cowboy_req:req()}.
refresh(Req) ->
{ok, Body, Req1} = cowboy_req:read_body(Req),
try jsx:decode(Body, [return_maps]) of
#{<<"refresh_token">> := RefreshToken} ->
case core_session:validate(RefreshToken) of
{ok, UserId, User} ->
user_refresh(UserId, User, RefreshToken, Req1);
{error, not_found} ->
handler_utils:send_error(Req1, 401, <<"Refresh token not found">>);
{error, expired} ->
handler_utils:send_error(Req1, 401, <<"Refresh token expired">>)
end;
_ ->
handler_utils:send_error(Req1, 400, <<"Missing refresh_token field">>)
catch
_:_ -> handler_utils:send_error(Req1, 400, <<"Invalid JSON">>)
end.
%%%===================================================================
%%% Внутренние функции
%%%===================================================================
%% @private Обновляет токен для обычного пользователя.
-spec user_refresh(binary(), #user{}, binary(), cowboy_req:req()) -> {ok, binary(), cowboy_req:req()}.
user_refresh(UserId, User, OldToken, Req) ->
core_session:delete(OldToken),
Role = atom_to_binary(User#user.role, utf8),
NewToken = eventhub_auth:generate_user_token(UserId, Role),
{NewRefreshToken, _ExpiresAt} = eventhub_auth:generate_refresh_token(UserId),
core_session:create(UserId, NewRefreshToken),
handler_utils:send_json(Req, 200, #{token => NewToken, refresh_token => NewRefreshToken}).
%%%-------------------------------------------------------------------
%%% @doc Обработчик обновления токена (клиентский API).
%%% POST принимает refresh_token, возвращает новую пару access + refresh токенов.
%%% @end
%%%-------------------------------------------------------------------
-module(handler_refresh).
-behaviour(cowboy_handler).
-export([init/2]).
-export([trails/0]).
%%% cowboy_handler callback
-spec init(cowboy_req:req(), any()) -> {ok, cowboy_req:req(), any()}.
init(Req, _Opts) ->
case cowboy_req:method(Req) of
<<"POST">> -> refresh(Req);
_ -> handler_utils:send_error(Req, 405, <<"Method not allowed">>)
end.
%%% Swagger metadata
-spec trails() -> [map()].
trails() ->
[
#{
path => <<"/v1/refresh">>,
method => <<"POST">>,
description => <<"Refresh user access token using refresh token">>,
tags => [<<"Auth">>],
requestBody => #{
required => true,
content => #{
<<"application/json">> => #{
schema => #{
type => object,
required => [<<"refresh_token">>],
properties => #{refresh_token => #{type => string}}
}
}
}
},
responses => #{
200 => #{
description => <<"New user token pair (access + refresh)">>,
content => #{
<<"application/json">> => #{
schema => token_pair_schema()
}
}
},
400 => #{description => <<"Missing refresh_token field or invalid JSON">>},
401 => #{description => <<"Refresh token expired or not found">>}
}
}
].
token_pair_schema() ->
#{
type => object,
properties => #{
token => #{type => string, description => <<"JWT access token">>},
refresh_token => #{type => string, description => <<"Refresh token">>}
}
}.
%%%===================================================================
%%% HTTP-методы
%%%===================================================================
%% @doc POST /v1/refresh — обновление пользовательского токена.
-spec refresh(cowboy_req:req()) -> {ok, binary(), cowboy_req:req()}.
refresh(Req) ->
{ok, Body, Req1} = cowboy_req:read_body(Req),
try jsx:decode(Body, [return_maps]) of
#{<<"refresh_token">> := RefreshToken} ->
case logic_auth_session:refresh_user(RefreshToken) of
{ok, NewToken, NewRefreshToken} ->
handler_utils:send_json(Req1, 200, #{
token => NewToken,
refresh_token => NewRefreshToken
});
{error, reuse_detected} ->
handler_utils:send_error(Req1, 401, <<"Refresh token reuse detected">>);
{error, not_found} ->
handler_utils:send_error(Req1, 401, <<"Refresh token not found">>);
{error, expired} ->
handler_utils:send_error(Req1, 401, <<"Refresh token expired">>);
{error, revoked} ->
handler_utils:send_error(Req1, 401, <<"Refresh token revoked">>);
{error, _} ->
handler_utils:send_error(Req1, 401, <<"Invalid refresh token">>)
end;
_ ->
handler_utils:send_error(Req1, 400, <<"Missing refresh_token field">>)
catch
_:_ -> handler_utils:send_error(Req1, 400, <<"Invalid JSON">>)
end.