1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
|
use Mojo::Base -strict;
BEGIN { $ENV{MOJO_REACTOR} = 'Mojo::Reactor::Poll' }
use Test::More;
use Mojo::IOLoop;
use Mojo::IOLoop::Server;
use Mojo::Server::Daemon;
use Mojo::UserAgent;
use Mojolicious::Lite;
# Silence
app->log->level('fatal');
get '/' => sub {
my $c = shift;
my $rel = $c->req->url;
my $abs = $rel->to_abs;
$c->render(text => "Hello World! $rel $abs");
};
get '/proxy' => sub {
my $c = shift;
$c->render(text => $c->req->url);
};
websocket '/test' => sub {
my $c = shift;
$c->on(message => sub { shift->send(shift() . 'test2') });
};
# HTTP server for testing
my $ua = Mojo::UserAgent->new(ioloop => Mojo::IOLoop->singleton);
my $daemon = Mojo::Server::Daemon->new(app => app, silent => 1);
$daemon->listen(['http://127.0.0.1'])->start;
my $port = Mojo::IOLoop->acceptor($daemon->acceptors->[0])->port;
# CONNECT proxy server for testing
my (%buffer, $connected, $read, $sent);
my $nf
= "HTTP/1.1 404 NOT FOUND\x0d\x0a"
. "Content-Length: 0\x0d\x0a"
. "Connection: close\x0d\x0a\x0d\x0a";
my $ok = "HTTP/1.0 201 BAR\x0d\x0aX-Something: unimportant\x0d\x0a\x0d\x0a";
my $dummy = Mojo::IOLoop::Server->generate_port;
my $id = Mojo::IOLoop->server(
{address => '127.0.0.1'} => sub {
my ($loop, $stream, $id) = @_;
# Connection to client
$stream->on(
read => sub {
my ($stream, $chunk) = @_;
# Write chunk from client to server
my $server = $buffer{$id}{connection};
return Mojo::IOLoop->stream($server)->write($chunk) if $server;
# Read connect request from client
my $buffer = $buffer{$id}{client} .= $chunk;
if ($buffer =~ /\x0d?\x0a\x0d?\x0a$/) {
$buffer{$id}{client} = '';
if ($buffer =~ /CONNECT (\S+):(\d+)?/) {
$connected = "$1:$2";
my $fail = $2 == $dummy;
# Connection to server
$buffer{$id}{connection} = Mojo::IOLoop->client(
{address => $1, port => $fail ? $port : $2} => sub {
my ($loop, $err, $stream) = @_;
# Connection to server failed
if ($err) {
Mojo::IOLoop->remove($id);
return delete $buffer{$id};
}
# Start forwarding data in both directions
Mojo::IOLoop->stream($id)->write($fail ? $nf : $ok);
$stream->on(
read => sub {
my ($stream, $chunk) = @_;
$read += length $chunk;
$sent += length $chunk;
Mojo::IOLoop->stream($id)->write($chunk);
}
);
# Server closed connection
$stream->on(
close => sub {
Mojo::IOLoop->remove($id);
delete $buffer{$id};
}
);
}
);
}
# Invalid request from client
else { Mojo::IOLoop->remove($id) }
}
}
);
# Client closed connection
$stream->on(
close => sub {
my $buffer = delete $buffer{$id};
Mojo::IOLoop->remove($buffer->{connection}) if $buffer->{connection};
}
);
}
);
my $proxy = Mojo::IOLoop->acceptor($id)->port;
# Normal non-blocking request
my $result;
$ua->get(
"http://127.0.0.1:$port/" => sub {
my ($ua, $tx) = @_;
$result = $tx->res->body;
Mojo::IOLoop->stop;
}
);
Mojo::IOLoop->start;
is $result, "Hello World! / http://127.0.0.1:$port/", 'right content';
# Normal WebSocket
$result = undef;
$ua->websocket(
"ws://127.0.0.1:$port/test" => sub {
my ($ua, $tx) = @_;
$tx->on(finish => sub { Mojo::IOLoop->stop });
$tx->on(message => sub { shift->finish; $result = shift });
$tx->send('test1');
}
);
Mojo::IOLoop->start;
is $result, 'test1test2', 'right result';
# Non-blocking proxy request
$ua->proxy->http("http://127.0.0.1:$port");
my $kept_alive;
$result = undef;
$ua->get(
'http://example.com/proxy' => sub {
my ($ua, $tx) = @_;
$kept_alive = $tx->kept_alive;
$result = $tx->res->body;
Mojo::IOLoop->stop;
}
);
Mojo::IOLoop->start;
ok !$kept_alive, 'connection was not kept alive';
is $result, 'http://example.com/proxy', 'right content';
# Kept alive proxy WebSocket
($kept_alive, $result) = ();
$ua->websocket(
"ws://127.0.0.1:$port/test" => sub {
my ($ua, $tx) = @_;
$kept_alive = $tx->kept_alive;
$tx->on(finish => sub { Mojo::IOLoop->stop });
$tx->on(message => sub { shift->finish; $result = shift });
$tx->send('test1');
}
);
Mojo::IOLoop->start;
ok $kept_alive, 'connection was kept alive';
is $result, 'test1test2', 'right result';
# Blocking proxy request
my $tx = $ua->get('http://example.com/proxy');
is $tx->res->code, 200, 'right status';
is $tx->res->body, 'http://example.com/proxy', 'right content';
# Proxy WebSocket
$ua = Mojo::UserAgent->new;
$ua->proxy->http("http://127.0.0.1:$proxy");
$result = undef;
$ua->websocket(
"ws://127.0.0.1:$port/test" => sub {
my ($ua, $tx) = @_;
$tx->on(finish => sub { Mojo::IOLoop->stop });
$tx->on(message => sub { shift->finish; $result = shift });
$tx->send('test1');
}
);
Mojo::IOLoop->start;
is $connected, "127.0.0.1:$port", 'connected';
is $result, 'test1test2', 'right result';
ok $read > 25, 'read enough';
ok $sent > 25, 'sent enough';
# Proxy WebSocket with bad target
$ua->proxy->http("http://127.0.0.1:$proxy");
my ($success, $leak, $err);
$ua->websocket(
"ws://127.0.0.1:$dummy/test" => sub {
my ($ua, $tx) = @_;
$success = $tx->success;
$leak = !!Mojo::IOLoop->stream($tx->previous->connection);
$err = $tx->error;
Mojo::IOLoop->stop;
}
);
Mojo::IOLoop->start;
ok !$success, 'no success';
ok !$leak, 'connection has been removed';
is $err->{message}, 'Proxy connection failed', 'right message';
done_testing();
|
