cowboy_middleware.erl (1026B)
1 %% Copyright (c) 2013-2017, Loïc Hoguin <essen@ninenines.eu> 2 %% 3 %% Permission to use, copy, modify, and/or distribute this software for any 4 %% purpose with or without fee is hereby granted, provided that the above 5 %% copyright notice and this permission notice appear in all copies. 6 %% 7 %% THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 8 %% WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 9 %% MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 10 %% ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 11 %% WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 12 %% ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 13 %% OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 14 15 -module(cowboy_middleware). 16 17 -type env() :: #{atom() => any()}. 18 -export_type([env/0]). 19 20 -callback execute(Req, Env) 21 -> {ok, Req, Env} 22 | {suspend, module(), atom(), [any()]} 23 | {stop, Req} 24 when Req::cowboy_req:req(), Env::env().