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% Licensed under the Apache License, Version 2.0 (the "License"); you may not
% use this file except in compliance with the License. You may obtain a copy of
% the License at
%
% http://www.apache.org/licenses/LICENSE-2.0
%
% Unless required by applicable law or agreed to in writing, software
% distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
% WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
% License for the specific language governing permissions and limitations under
% the License.
-module(chttpd_auth).
-export([authenticate/2]).
-export([authorize/2]).
-export([default_authentication_handler/1]).
-export([cookie_authentication_handler/1]).
-export([proxy_authentication_handler/1]).
-export([party_mode_handler/1]).
-export([handle_session_req/1]).
-include_lib("couch/include/couch_db.hrl").
-define(SERVICE_ID, chttpd_auth).
%% ------------------------------------------------------------------
%% API Function Definitions
%% ------------------------------------------------------------------
authenticate(HttpReq, Default) ->
maybe_handle(authenticate, [HttpReq], Default).
authorize(HttpReq, Default) ->
maybe_handle(authorize, [HttpReq], Default).
%% ------------------------------------------------------------------
%% Default callbacks
%% ------------------------------------------------------------------
default_authentication_handler(Req) ->
couch_httpd_auth:default_authentication_handler(Req, chttpd_auth_cache).
cookie_authentication_handler(Req) ->
couch_httpd_auth:cookie_authentication_handler(Req, chttpd_auth_cache).
proxy_authentication_handler(Req) ->
couch_httpd_auth:proxy_authentication_handler(Req).
party_mode_handler(Req) ->
case config:get("chttpd", "require_valid_user", "false") of
"true" ->
throw({unauthorized, <<"Authentication required.">>});
"false" ->
case config:get("admins") of
[] ->
Req#httpd{user_ctx = ?ADMIN_USER};
_ ->
Req#httpd{user_ctx=#user_ctx{}}
end
end.
handle_session_req(Req) ->
couch_httpd_auth:handle_session_req(Req, chttpd_auth_cache).
%% ------------------------------------------------------------------
%% Internal Function Definitions
%% ------------------------------------------------------------------
maybe_handle(Func, Args, Default) ->
Handle = couch_epi:get_handle(?SERVICE_ID),
case couch_epi:decide(Handle, ?SERVICE_ID, Func, Args, []) of
no_decision when is_function(Default) ->
apply(Default, Args);
no_decision ->
Default;
{decided, Result} ->
Result
end.
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