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%% Copyright (c) 2015-2017, Loïc Hoguin <[email protected]>
%%
%% Permission to use, copy, modify, and/or distribute this software for any
%% purpose with or without fee is hereby granted, provided that the above
%% copyright notice and this permission notice appear in all copies.
%%
%% THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
%% WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
%% MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
%% ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
%% WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
%% ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
%% OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-module(cowboy_tls).
-behavior(ranch_protocol).
-export([start_link/3]).
-export([start_link/4]).
-export([connection_process/4]).
%% Ranch 1.
-spec start_link(ranch:ref(), ssl:sslsocket(), module(), cowboy:opts()) -> {ok, pid()}.
start_link(Ref, _Socket, Transport, Opts) ->
start_link(Ref, Transport, Opts).
%% Ranch 2.
-spec start_link(ranch:ref(), module(), cowboy:opts()) -> {ok, pid()}.
start_link(Ref, Transport, Opts) ->
Pid = proc_lib:spawn_link(?MODULE, connection_process,
[self(), Ref, Transport, Opts]),
{ok, Pid}.
-spec connection_process(pid(), ranch:ref(), module(), cowboy:opts()) -> ok.
connection_process(Parent, Ref, Transport, Opts) ->
ProxyInfo = case maps:get(proxy_header, Opts, false) of
true ->
{ok, ProxyInfo0} = ranch:recv_proxy_header(Ref, 1000),
ProxyInfo0;
false ->
undefined
end,
{ok, Socket} = ranch:handshake(Ref),
case ssl:negotiated_protocol(Socket) of
{ok, <<"h2">>} ->
init(Parent, Ref, Socket, Transport, ProxyInfo, Opts, cowboy_http2);
_ -> %% http/1.1 or no protocol negotiated.
init(Parent, Ref, Socket, Transport, ProxyInfo, Opts, cowboy_http)
end.
init(Parent, Ref, Socket, Transport, ProxyInfo, Opts, Protocol) ->
_ = case maps:get(connection_type, Opts, supervisor) of
worker -> ok;
supervisor -> process_flag(trap_exit, true)
end,
Protocol:init(Parent, Ref, Socket, Transport, ProxyInfo, Opts).
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