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annotate lib/Test/Nginx/POP3.pm @ 1861:7b7b64569f55

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Tests: reworked mail SSL tests to use IO::Socket::SSL. Relevant infrastructure is provided in Test::Nginx::IMAP (and also POP3 and SMTP for completeness). This also ensures that SSL handshake and various read operations are guarded with timeouts.
author Maxim Dounin <mdounin@mdounin.ru>
date Thu, 18 May 2023 18:07:08 +0300
parents 3629eda94c1b
children 6d3a8f4eb9b2
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1 package Test::Nginx::POP3;
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2
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3 # (C) Maxim Dounin
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4
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5 # Module for nginx pop3 tests.
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6
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7 ###############################################################################
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8
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9 use warnings;
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10 use strict;
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11
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12 use Test::More qw//;
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13 use IO::Select;
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14 use IO::Socket;
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15 use Socket qw/ CRLF /;
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16
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17 use Test::Nginx;
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18
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19 sub new {
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20 my $self = {};
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21 bless $self, shift @_;
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22
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23 my $port = {@_}->{'SSL'} ? 8995 : 8110;
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24
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25 eval {
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26 local $SIG{ALRM} = sub { die "timeout\n" };
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27 local $SIG{PIPE} = sub { die "sigpipe\n" };
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28 alarm(8);
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29
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30 $self->{_socket} = IO::Socket::INET->new(
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31 Proto => "tcp",
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32 PeerAddr => "127.0.0.1:" . port($port),
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33 @_
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34 )
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35 or die "Can't connect to nginx: $!\n";
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36
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37 if ({@_}->{'SSL'}) {
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38 require IO::Socket::SSL;
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39 IO::Socket::SSL->start_SSL(
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40 $self->{_socket},
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41 SSL_verify_mode =>
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42 IO::Socket::SSL::SSL_VERIFY_NONE(),
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43 @_
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44 )
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45 or die $IO::Socket::SSL::SSL_ERROR . "\n";
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46
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47 my $s = $self->{_socket};
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48 log_in("ssl cipher: " . $s->get_cipher());
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49 log_in("ssl cert: " . $s->peer_certificate('issuer'));
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50 }
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51
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52 alarm(0);
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53 };
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54 alarm(0);
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55 if ($@) {
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56 log_in("died: $@");
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57 }
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58
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59 $self->{_socket}->autoflush(1);
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60 $self->{_read_buffer} = '';
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61
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62 return $self;
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63 }
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64
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65 sub DESTROY {
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66 my $self = shift;
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67 $self->{_socket}->close();
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68 }
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69
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70 sub eof {
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71 my $self = shift;
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72 return $self->{_socket}->eof();
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73 }
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74
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75 sub print {
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76 my ($self, $cmd) = @_;
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77 log_out($cmd);
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78 $self->{_socket}->print($cmd);
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79 }
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80
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81 sub send {
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82 my ($self, $cmd) = @_;
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83 log_out($cmd);
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84 $self->{_socket}->print($cmd . CRLF);
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85 }
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86
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87 sub getline {
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88 my ($self) = @_;
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89 my $socket = $self->{_socket};
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90
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91 if ($self->{_read_buffer} =~ /^(.*?\x0a)(.*)/ms) {
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92 $self->{_read_buffer} = $2;
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93 return $1;
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94 }
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95
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96 while (IO::Select->new($socket)->can_read(8)) {
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97 $socket->blocking(0);
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98 my $n = $socket->sysread(my $buf, 1024);
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99 my $again = !defined $n && $!{EWOULDBLOCK};
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100 $socket->blocking(1);
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101 next if $again;
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102 last unless $n;
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103
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104 $self->{_read_buffer} .= $buf;
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105
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106 if ($self->{_read_buffer} =~ /^(.*?\x0a)(.*)/ms) {
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107 $self->{_read_buffer} = $2;
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108 return $1;
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109 }
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110 };
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111 }
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112
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113 sub read {
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114 my ($self) = @_;
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115 my $socket = $self->{_socket};
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116
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117 while (defined($_ = $self->getline())) {
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118 log_in($_);
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119 last;
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120 }
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121
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122 return $_;
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123 }
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124
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125 sub check {
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126 my ($self, $regex, $name) = @_;
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127 Test::More->builder->like($self->read(), $regex, $name);
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128 }
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129
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130 sub ok {
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131 my $self = shift;
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132 Test::More->builder->like($self->read(), qr/^\+OK/, @_);
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133 }
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134
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135 sub can_read {
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136 my ($self, $timo) = @_;
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137 IO::Select->new($self->{_socket})->can_read($timo || 3);
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138 }
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139
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140 sub socket {
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141 my ($self) = @_;
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142 $self->{_socket};
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143 }
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144
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145 ###############################################################################
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146
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147 sub pop3_test_daemon {
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148 my ($port) = @_;
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149
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150 my $server = IO::Socket::INET->new(
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151 Proto => 'tcp',
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152 LocalAddr => '127.0.0.1:' . ($port || port(8111)),
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153 Listen => 5,
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154 Reuse => 1
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155 )
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156 or die "Can't create listening socket: $!\n";
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157
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158 while (my $client = $server->accept()) {
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159 $client->autoflush(1);
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160 print $client "+OK fake pop3 server ready" . CRLF;
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161
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162 while (<$client>) {
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163 if (/^quit/i) {
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164 print $client '+OK quit ok' . CRLF;
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165 } elsif (/^user test\@example.com/i) {
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166 print $client '+OK user ok' . CRLF;
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167 } elsif (/^pass secret/i) {
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168 print $client '+OK pass ok' . CRLF;
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169 } else {
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170 print $client "-ERR unknown command" . CRLF;
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171 }
539
3fcad5e66735 Tests: whitespace fixes in mail modules.
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172 }
59
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173
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174 close $client;
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175 }
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176 }
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177
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178 ###############################################################################
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179
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180 1;
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181
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182 ###############################################################################