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ws_SUITE.erl
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ws_SUITE.erl
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%% Copyright (c) 2011, Loïc Hoguin <essen@dev-extend.eu>
%%
%% 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(ws_SUITE).
-include_lib("common_test/include/ct.hrl").
-export([all/0, groups/0, init_per_suite/1, end_per_suite/1,
init_per_group/2, end_per_group/2]). %% ct.
-export([ws0/1, ws8/1, ws8_single_bytes/1, ws8_init_shutdown/1,
ws13/1, ws_timeout_hibernate/1, ws_text_fragments/1]). %% ws.
%% ct.
all() ->
[{group, ws}].
groups() ->
BaseTests = [ws0, ws8, ws8_single_bytes, ws8_init_shutdown, ws13,
ws_timeout_hibernate, ws_text_fragments],
[{ws, [], BaseTests}].
init_per_suite(Config) ->
application:start(inets),
application:start(cowboy),
Config.
end_per_suite(_Config) ->
application:stop(cowboy),
application:stop(inets),
ok.
init_per_group(ws, Config) ->
Port = 33080,
cowboy:start_listener(ws, 100,
cowboy_tcp_transport, [{port, Port}],
cowboy_http_protocol, [{dispatch, init_dispatch()}]
),
[{port, Port}|Config].
end_per_group(Listener, _Config) ->
cowboy:stop_listener(Listener),
ok.
%% Dispatch configuration.
init_dispatch() ->
[
{[<<"localhost">>], [
{[<<"websocket">>], websocket_handler, []},
{[<<"ws_timeout_hibernate">>], ws_timeout_hibernate_handler, []},
{[<<"ws_init_shutdown">>], websocket_handler_init_shutdown, []},
{[<<"ws_echo_handler">>], websocket_echo_handler, []}
]}
].
%% ws and wss.
%% This test makes sure the code works even if we wait for a reply
%% before sending the third challenge key in the GET body.
%%
%% This ensures that Cowboy will work fine with proxies on hixie.
ws0(Config) ->
{port, Port} = lists:keyfind(port, 1, Config),
{ok, Socket} = gen_tcp:connect("localhost", Port,
[binary, {active, false}, {packet, raw}]),
ok = gen_tcp:send(Socket,
"GET /websocket HTTP/1.1\r\n"
"Host: localhost\r\n"
"Connection: Upgrade\r\n"
"Upgrade: WebSocket\r\n"
"Origin: http://localhost\r\n"
"Sec-Websocket-Key1: Y\" 4 1Lj!957b8@0H756!i\r\n"
"Sec-Websocket-Key2: 1711 M;4\\74 80<6\r\n"
"\r\n"),
{ok, Handshake} = gen_tcp:recv(Socket, 0, 6000),
{ok, {http_response, {1, 1}, 101, "WebSocket Protocol Handshake"}, Rest}
= erlang:decode_packet(http, Handshake, []),
[Headers, <<>>] = websocket_headers(
erlang:decode_packet(httph, Rest, []), []),
{'Connection', "Upgrade"} = lists:keyfind('Connection', 1, Headers),
{'Upgrade', "WebSocket"} = lists:keyfind('Upgrade', 1, Headers),
{"sec-websocket-location", "ws://localhost/websocket"}
= lists:keyfind("sec-websocket-location", 1, Headers),
{"sec-websocket-origin", "http://localhost"}
= lists:keyfind("sec-websocket-origin", 1, Headers),
ok = gen_tcp:send(Socket, <<15,245,8,18,2,204,133,33>>),
{ok, Body} = gen_tcp:recv(Socket, 0, 6000),
<<169,244,191,103,146,33,149,59,74,104,67,5,99,118,171,236>> = Body,
ok = gen_tcp:send(Socket, << 0, "client_msg", 255 >>),
{ok, << 0, "client_msg", 255 >>} = gen_tcp:recv(Socket, 0, 6000),
{ok, << 0, "websocket_init", 255 >>} = gen_tcp:recv(Socket, 0, 6000),
{ok, << 0, "websocket_handle", 255 >>} = gen_tcp:recv(Socket, 0, 6000),
{ok, << 0, "websocket_handle", 255 >>} = gen_tcp:recv(Socket, 0, 6000),
{ok, << 0, "websocket_handle", 255 >>} = gen_tcp:recv(Socket, 0, 6000),
%% We try to send another HTTP request to make sure
%% the server closed the request.
ok = gen_tcp:send(Socket, [
<< 255, 0 >>, %% Close websocket command.
"GET / HTTP/1.1\r\nHost: localhost\r\n\r\n" %% Server should ignore it.
]),
{ok, << 255, 0 >>} = gen_tcp:recv(Socket, 0, 6000),
{error, closed} = gen_tcp:recv(Socket, 0, 6000),
ok.
ws8(Config) ->
{port, Port} = lists:keyfind(port, 1, Config),
{ok, Socket} = gen_tcp:connect("localhost", Port,
[binary, {active, false}, {packet, raw}]),
ok = gen_tcp:send(Socket, [
"GET /websocket HTTP/1.1\r\n"
"Host: localhost\r\n"
"Connection: Upgrade\r\n"
"Upgrade: websocket\r\n"
"Sec-WebSocket-Origin: http://localhost\r\n"
"Sec-WebSocket-Version: 8\r\n"
"Sec-WebSocket-Key: dGhlIHNhbXBsZSBub25jZQ==\r\n"
"\r\n"]),
{ok, Handshake} = gen_tcp:recv(Socket, 0, 6000),
{ok, {http_response, {1, 1}, 101, "Switching Protocols"}, Rest}
= erlang:decode_packet(http, Handshake, []),
[Headers, <<>>] = websocket_headers(
erlang:decode_packet(httph, Rest, []), []),
{'Connection', "Upgrade"} = lists:keyfind('Connection', 1, Headers),
{'Upgrade', "websocket"} = lists:keyfind('Upgrade', 1, Headers),
{"sec-websocket-accept", "s3pPLMBiTxaQ9kYGzzhZRbK+xOo="}
= lists:keyfind("sec-websocket-accept", 1, Headers),
ok = gen_tcp:send(Socket, << 16#81, 16#85, 16#37, 16#fa, 16#21, 16#3d,
16#7f, 16#9f, 16#4d, 16#51, 16#58 >>),
{ok, << 1:1, 0:3, 1:4, 0:1, 5:7, "Hello" >>}
= gen_tcp:recv(Socket, 0, 6000),
{ok, << 1:1, 0:3, 1:4, 0:1, 14:7, "websocket_init" >>}
= gen_tcp:recv(Socket, 0, 6000),
{ok, << 1:1, 0:3, 1:4, 0:1, 16:7, "websocket_handle" >>}
= gen_tcp:recv(Socket, 0, 6000),
{ok, << 1:1, 0:3, 1:4, 0:1, 16:7, "websocket_handle" >>}
= gen_tcp:recv(Socket, 0, 6000),
{ok, << 1:1, 0:3, 1:4, 0:1, 16:7, "websocket_handle" >>}
= gen_tcp:recv(Socket, 0, 6000),
ok = gen_tcp:send(Socket, << 1:1, 0:3, 9:4, 0:8 >>), %% ping
{ok, << 1:1, 0:3, 10:4, 0:8 >>} = gen_tcp:recv(Socket, 0, 6000), %% pong
ok = gen_tcp:send(Socket, << 1:1, 0:3, 8:4, 0:8 >>), %% close
{ok, << 1:1, 0:3, 8:4, 0:8 >>} = gen_tcp:recv(Socket, 0, 6000),
{error, closed} = gen_tcp:recv(Socket, 0, 6000),
ok.
ws8_single_bytes(Config) ->
{port, Port} = lists:keyfind(port, 1, Config),
{ok, Socket} = gen_tcp:connect("localhost", Port,
[binary, {active, false}, {packet, raw}]),
ok = gen_tcp:send(Socket, [
"GET /websocket HTTP/1.1\r\n"
"Host: localhost\r\n"
"Connection: Upgrade\r\n"
"Upgrade: websocket\r\n"
"Sec-WebSocket-Origin: http://localhost\r\n"
"Sec-WebSocket-Version: 8\r\n"
"Sec-WebSocket-Key: dGhlIHNhbXBsZSBub25jZQ==\r\n"
"\r\n"]),
{ok, Handshake} = gen_tcp:recv(Socket, 0, 6000),
{ok, {http_response, {1, 1}, 101, "Switching Protocols"}, Rest}
= erlang:decode_packet(http, Handshake, []),
[Headers, <<>>] = websocket_headers(
erlang:decode_packet(httph, Rest, []), []),
{'Connection', "Upgrade"} = lists:keyfind('Connection', 1, Headers),
{'Upgrade', "websocket"} = lists:keyfind('Upgrade', 1, Headers),
{"sec-websocket-accept", "s3pPLMBiTxaQ9kYGzzhZRbK+xOo="}
= lists:keyfind("sec-websocket-accept", 1, Headers),
ok = gen_tcp:send(Socket, << 16#81 >>), %% send one byte
ok = timer:sleep(100), %% sleep for a period
ok = gen_tcp:send(Socket, << 16#85 >>), %% send another and so on
ok = timer:sleep(100),
ok = gen_tcp:send(Socket, << 16#37 >>),
ok = timer:sleep(100),
ok = gen_tcp:send(Socket, << 16#fa >>),
ok = timer:sleep(100),
ok = gen_tcp:send(Socket, << 16#21 >>),
ok = timer:sleep(100),
ok = gen_tcp:send(Socket, << 16#3d >>),
ok = timer:sleep(100),
ok = gen_tcp:send(Socket, << 16#7f >>),
ok = timer:sleep(100),
ok = gen_tcp:send(Socket, << 16#9f >>),
ok = timer:sleep(100),
ok = gen_tcp:send(Socket, << 16#4d >>),
ok = timer:sleep(100),
ok = gen_tcp:send(Socket, << 16#51 >>),
ok = timer:sleep(100),
ok = gen_tcp:send(Socket, << 16#58 >>),
{ok, << 1:1, 0:3, 1:4, 0:1, 14:7, "websocket_init" >>}
= gen_tcp:recv(Socket, 0, 6000),
{ok, << 1:1, 0:3, 1:4, 0:1, 5:7, "Hello" >>}
= gen_tcp:recv(Socket, 0, 6000),
{ok, << 1:1, 0:3, 1:4, 0:1, 16:7, "websocket_handle" >>}
= gen_tcp:recv(Socket, 0, 6000),
{ok, << 1:1, 0:3, 1:4, 0:1, 16:7, "websocket_handle" >>}
= gen_tcp:recv(Socket, 0, 6000),
{ok, << 1:1, 0:3, 1:4, 0:1, 16:7, "websocket_handle" >>}
= gen_tcp:recv(Socket, 0, 6000),
ok = gen_tcp:send(Socket, << 1:1, 0:3, 9:4, 0:8 >>), %% ping
{ok, << 1:1, 0:3, 10:4, 0:8 >>} = gen_tcp:recv(Socket, 0, 6000), %% pong
ok = gen_tcp:send(Socket, << 1:1, 0:3, 8:4, 0:8 >>), %% close
{ok, << 1:1, 0:3, 8:4, 0:8 >>} = gen_tcp:recv(Socket, 0, 6000),
{error, closed} = gen_tcp:recv(Socket, 0, 6000),
ok.
ws_timeout_hibernate(Config) ->
{port, Port} = lists:keyfind(port, 1, Config),
{ok, Socket} = gen_tcp:connect("localhost", Port,
[binary, {active, false}, {packet, raw}]),
ok = gen_tcp:send(Socket, [
"GET /ws_timeout_hibernate HTTP/1.1\r\n"
"Host: localhost\r\n"
"Connection: Upgrade\r\n"
"Upgrade: websocket\r\n"
"Sec-WebSocket-Origin: http://localhost\r\n"
"Sec-WebSocket-Version: 8\r\n"
"Sec-WebSocket-Key: dGhlIHNhbXBsZSBub25jZQ==\r\n"
"\r\n"]),
{ok, Handshake} = gen_tcp:recv(Socket, 0, 6000),
{ok, {http_response, {1, 1}, 101, "Switching Protocols"}, Rest}
= erlang:decode_packet(http, Handshake, []),
[Headers, <<>>] = websocket_headers(
erlang:decode_packet(httph, Rest, []), []),
{'Connection', "Upgrade"} = lists:keyfind('Connection', 1, Headers),
{'Upgrade', "websocket"} = lists:keyfind('Upgrade', 1, Headers),
{"sec-websocket-accept", "s3pPLMBiTxaQ9kYGzzhZRbK+xOo="}
= lists:keyfind("sec-websocket-accept", 1, Headers),
{ok, << 1:1, 0:3, 8:4, 0:8 >>} = gen_tcp:recv(Socket, 0, 6000),
{error, closed} = gen_tcp:recv(Socket, 0, 6000),
ok.
ws8_init_shutdown(Config) ->
{port, Port} = lists:keyfind(port, 1, Config),
{ok, Socket} = gen_tcp:connect("localhost", Port,
[binary, {active, false}, {packet, raw}]),
ok = gen_tcp:send(Socket, [
"GET /ws_init_shutdown HTTP/1.1\r\n"
"Host: localhost\r\n"
"Connection: Upgrade\r\n"
"Upgrade: websocket\r\n"
"Sec-WebSocket-Origin: http://localhost\r\n"
"Sec-WebSocket-Version: 8\r\n"
"Sec-WebSocket-Key: dGhlIHNhbXBsZSBub25jZQ==\r\n"
"\r\n"]),
{ok, Handshake} = gen_tcp:recv(Socket, 0, 6000),
{ok, {http_response, {1, 1}, 403, "Forbidden"}, _Rest}
= erlang:decode_packet(http, Handshake, []),
{error, closed} = gen_tcp:recv(Socket, 0, 6000),
ok.
ws13(Config) ->
{port, Port} = lists:keyfind(port, 1, Config),
{ok, Socket} = gen_tcp:connect("localhost", Port,
[binary, {active, false}, {packet, raw}]),
ok = gen_tcp:send(Socket, [
"GET /websocket HTTP/1.1\r\n"
"Host: localhost\r\n"
"Connection: Upgrade\r\n"
"Origin: http://localhost\r\n"
"Sec-WebSocket-Version: 13\r\n"
"Sec-WebSocket-Key: dGhlIHNhbXBsZSBub25jZQ==\r\n"
"Upgrade: websocket\r\n"
"\r\n"]),
{ok, Handshake} = gen_tcp:recv(Socket, 0, 6000),
{ok, {http_response, {1, 1}, 101, "Switching Protocols"}, Rest}
= erlang:decode_packet(http, Handshake, []),
[Headers, <<>>] = websocket_headers(
erlang:decode_packet(httph, Rest, []), []),
{'Connection', "Upgrade"} = lists:keyfind('Connection', 1, Headers),
{'Upgrade', "websocket"} = lists:keyfind('Upgrade', 1, Headers),
{"sec-websocket-accept", "s3pPLMBiTxaQ9kYGzzhZRbK+xOo="}
= lists:keyfind("sec-websocket-accept", 1, Headers),
%% text
ok = gen_tcp:send(Socket, << 16#81, 16#85, 16#37, 16#fa, 16#21, 16#3d,
16#7f, 16#9f, 16#4d, 16#51, 16#58 >>),
{ok, << 1:1, 0:3, 1:4, 0:1, 5:7, "Hello" >>}
= gen_tcp:recv(Socket, 0, 6000),
%% binary (empty)
ok = gen_tcp:send(Socket, << 1:1, 0:3, 2:4, 0:8 >>),
{ok, << 1:1, 0:3, 2:4, 0:8 >>} = gen_tcp:recv(Socket, 0, 6000),
%% binary
ok = gen_tcp:send(Socket, << 16#82, 16#85, 16#37, 16#fa, 16#21, 16#3d,
16#7f, 16#9f, 16#4d, 16#51, 16#58 >>),
{ok, << 1:1, 0:3, 2:4, 0:1, 5:7, "Hello" >>}
= gen_tcp:recv(Socket, 0, 6000),
%% Receives.
{ok, << 1:1, 0:3, 1:4, 0:1, 14:7, "websocket_init" >>}
= gen_tcp:recv(Socket, 0, 6000),
{ok, << 1:1, 0:3, 1:4, 0:1, 16:7, "websocket_handle" >>}
= gen_tcp:recv(Socket, 0, 6000),
{ok, << 1:1, 0:3, 1:4, 0:1, 16:7, "websocket_handle" >>}
= gen_tcp:recv(Socket, 0, 6000),
{ok, << 1:1, 0:3, 1:4, 0:1, 16:7, "websocket_handle" >>}
= gen_tcp:recv(Socket, 0, 6000),
ok = gen_tcp:send(Socket, << 1:1, 0:3, 9:4, 0:8 >>), %% ping
{ok, << 1:1, 0:3, 10:4, 0:8 >>} = gen_tcp:recv(Socket, 0, 6000), %% pong
ok = gen_tcp:send(Socket, << 1:1, 0:3, 8:4, 0:8 >>), %% close
{ok, << 1:1, 0:3, 8:4, 0:8 >>} = gen_tcp:recv(Socket, 0, 6000),
{error, closed} = gen_tcp:recv(Socket, 0, 6000),
ok.
ws_text_fragments(Config) ->
{port, Port} = lists:keyfind(port, 1, Config),
{ok, Socket} = gen_tcp:connect("localhost", Port,
[binary, {active, false}, {packet, raw}]),
ok = gen_tcp:send(Socket, [
"GET /ws_echo_handler HTTP/1.1\r\n"
"Host: localhost\r\n"
"Connection: Upgrade\r\n"
"Upgrade: websocket\r\n"
"Sec-WebSocket-Origin: http://localhost\r\n"
"Sec-WebSocket-Version: 8\r\n"
"Sec-WebSocket-Key: dGhlIHNhbXBsZSBub25jZQ==\r\n"
"\r\n"]),
{ok, Handshake} = gen_tcp:recv(Socket, 0, 6000),
{ok, {http_response, {1, 1}, 101, "Switching Protocols"}, Rest}
= erlang:decode_packet(http, Handshake, []),
[Headers, <<>>] = websocket_headers(
erlang:decode_packet(httph, Rest, []), []),
{'Connection', "Upgrade"} = lists:keyfind('Connection', 1, Headers),
{'Upgrade', "websocket"} = lists:keyfind('Upgrade', 1, Headers),
{"sec-websocket-accept", "s3pPLMBiTxaQ9kYGzzhZRbK+xOo="}
= lists:keyfind("sec-websocket-accept", 1, Headers),
ok = gen_tcp:send(Socket, [
<< 0:1, 0:3, 1:4, 1:1, 5:7 >>,
<< 16#37 >>, << 16#fa >>, << 16#21 >>, << 16#3d >>, << 16#7f >>,
<< 16#9f >>, << 16#4d >>, << 16#51 >>, << 16#58 >>]),
ok = gen_tcp:send(Socket, [
<< 1:1, 0:3, 0:4, 1:1, 5:7 >>,
<< 16#37 >>, << 16#fa >>, << 16#21 >>, << 16#3d >>, << 16#7f >>,
<< 16#9f >>, << 16#4d >>, << 16#51 >>, << 16#58 >>]),
{ok, << 1:1, 0:3, 1:4, 0:1, 10:7, "HelloHello" >>}
= gen_tcp:recv(Socket, 0, 6000),
ok = gen_tcp:send(Socket, [
%% #1
<< 0:1, 0:3, 1:4, 1:1, 5:7 >>,
<< 16#37 >>, << 16#fa >>, << 16#21 >>, << 16#3d >>, << 16#7f >>,
<< 16#9f >>, << 16#4d >>, << 16#51 >>, << 16#58 >>,
%% #2
<< 0:1, 0:3, 0:4, 1:1, 5:7 >>,
<< 16#37 >>, << 16#fa >>, << 16#21 >>, << 16#3d >>, << 16#7f >>,
<< 16#9f >>, << 16#4d >>, << 16#51 >>, << 16#58 >>,
%% #3
<< 1:1, 0:3, 0:4, 1:1, 5:7 >>,
<< 16#37 >>, << 16#fa >>, << 16#21 >>, << 16#3d >>, << 16#7f >>,
<< 16#9f >>, << 16#4d >>, << 16#51 >>, << 16#58 >>]),
{ok, << 1:1, 0:3, 1:4, 0:1, 15:7, "HelloHelloHello" >>}
= gen_tcp:recv(Socket, 0, 6000),
ok = gen_tcp:send(Socket, << 1:1, 0:3, 8:4, 0:8 >>), %% close
{ok, << 1:1, 0:3, 8:4, 0:8 >>} = gen_tcp:recv(Socket, 0, 6000),
{error, closed} = gen_tcp:recv(Socket, 0, 6000),
ok.
websocket_headers({ok, http_eoh, Rest}, Acc) ->
[Acc, Rest];
websocket_headers({ok, {http_header, _I, Key, _R, Value}, Rest}, Acc) ->
F = fun(S) when is_atom(S) -> S; (S) -> string:to_lower(S) end,
websocket_headers(erlang:decode_packet(httph, Rest, []),
[{F(Key), Value}|Acc]).