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annotate h3_limit_req.t @ 1951:1867428f1673

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Tests: fixed h3_limit_req.t spurious failures. In the "reset stream - cancellation" test, HTTP/3 stream is closed without sending the request body when the request is waiting in the limit_req module, and this results in error 444. However, when the request is received with some minor delay due to system load, it is not delayed by limit_req, and the stream is closed during reading the request body, which results in error 400 instead, breaking the test. Fix is to introduce yet another request before the "reset stream" test, so the stream in question is always delayed by limit_req.
author Maxim Dounin <mdounin@mdounin.ru>
date Thu, 14 Mar 2024 02:25:49 +0300
parents 8b74936ff2ac
children
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1 #!/usr/bin/perl
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2
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3 # (C) Sergey Kandaurov
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4 # (C) Nginx, Inc.
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5
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6 # Tests for HTTP/3 protocol with limit_req.
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7
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8 ###############################################################################
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9
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10 use warnings;
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11 use strict;
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12
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13 use Test::More;
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14
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15 BEGIN { use FindBin; chdir($FindBin::Bin); }
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16
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17 use lib 'lib';
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18 use Test::Nginx;
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19 use Test::Nginx::HTTP3;
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20
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21 ###############################################################################
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22
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23 select STDERR; $| = 1;
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24 select STDOUT; $| = 1;
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25
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8b74936ff2ac Tests: added has_feature() test for CryptX.
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26 my $t = Test::Nginx->new()->has(qw/http http_v3 proxy limit_req cryptx/)
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27 ->has_daemon('openssl')->plan(7);
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28
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29 $t->write_file_expand('nginx.conf', <<'EOF');
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30
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31 %%TEST_GLOBALS%%
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32
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33 daemon off;
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34
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35 events {
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36 }
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37
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38 http {
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39 %%TEST_GLOBALS_HTTP%%
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40
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41 ssl_certificate_key localhost.key;
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42 ssl_certificate localhost.crt;
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43
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44 limit_req_zone $binary_remote_addr zone=req:1m rate=1r/s;
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45
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46 log_format test $status;
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47
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48 server {
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49 listen 127.0.0.1:%%PORT_8980_UDP%% quic;
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50 listen 127.0.0.1:8081;
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51 server_name localhost;
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52
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53 location / {
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54 add_header X-Body $request_body;
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55 add_header X-Body-File $request_body_file;
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56 client_body_in_file_only on;
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57 proxy_pass http://127.0.0.1:8081/stub;
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58 limit_req zone=req burst=2;
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59 access_log %%TESTDIR%%/test.log test;
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60 }
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61
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62 location /stub { }
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63 }
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64 }
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65
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66 EOF
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67
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68 $t->write_file('openssl.conf', <<EOF);
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69 [ req ]
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70 default_bits = 2048
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71 encrypt_key = no
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72 distinguished_name = req_distinguished_name
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73 [ req_distinguished_name ]
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74 EOF
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75
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76 my $d = $t->testdir();
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77
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78 foreach my $name ('localhost') {
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79 system('openssl req -x509 -new '
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80 . "-config $d/openssl.conf -subj /CN=$name/ "
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81 . "-out $d/$name.crt -keyout $d/$name.key "
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82 . ">>$d/openssl.out 2>&1") == 0
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83 or die "Can't create certificate for $name: $!\n";
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84 }
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85
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86 $t->write_file('stub', '');
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87 $t->run();
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88
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89 ###############################################################################
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90
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91 # request body delayed in limit_req
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92
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93 my $s = Test::Nginx::HTTP3->new();
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94 my $sid = $s->new_stream({ path => '/', body_more => 1 });
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95 $s->h3_body('TEST', $sid);
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96 my $frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
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97
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98 my ($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
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99 is(read_body_file($frame->{headers}->{'x-body-file'}), 'TEST',
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100 'request body - limit req');
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101
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102 $s = Test::Nginx::HTTP3->new();
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103 $sid = $s->new_stream({ path => '/', body_more => 1 });
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104 select undef, undef, undef, 1.1;
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105 $s->h3_body('TEST', $sid);
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106 $frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
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107
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108 ($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
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109 is(read_body_file($frame->{headers}->{'x-body-file'}), 'TEST',
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110 'request body - limit req - limited');
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111
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112 # request body with request
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113
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114 $s = Test::Nginx::HTTP3->new();
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115 $sid = $s->new_stream({ path => '/', body => 'TEST2' });
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116 select undef, undef, undef, 1.1;
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117 $frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
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118
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119 ($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
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120 is(read_body_file($frame->{headers}->{'x-body-file'}), 'TEST2',
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121 'request body - limit req - with headers');
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122
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123 # delayed with an empty DATA frame
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124
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125 $s = Test::Nginx::HTTP3->new();
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126 $sid = $s->new_stream({ path => '/', body_more => 1 });
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127 $s->h3_body('', $sid);
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128 select undef, undef, undef, 1.1;
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129 $frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
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130
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131 ($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
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132 is($frame->{headers}->{':status'}, 200, 'request body - limit req - empty');
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133
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134 # another request
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135
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136 $sid = $s->new_stream({ path => '/' });
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137 $frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
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138
1867428f1673 Tests: fixed h3_limit_req.t spurious failures.
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139 ($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
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140 is($frame->{headers}->{':status'}, '200', 'request body - limit req - next');
1867428f1673 Tests: fixed h3_limit_req.t spurious failures.
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parents: 1896
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141
1879
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Sergey Kandaurov <pluknet@nginx.com>
parents:
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142 # detect RESET_STREAM while request is delayed
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143
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144 $s = Test::Nginx::HTTP3->new();
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145 $sid = $s->new_stream({ path => '/', body_more => 1 });
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146 wait_ack($s);
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147
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148 $s->reset_stream($sid, 0x010c);
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149 $frames = $s->read(all => [{ type => 'DECODER_C' }]);
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150
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151 ($frame) = grep { $_->{type} eq "DECODER_C" } @$frames;
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152 is($frame->{'val'}, $sid, 'reset stream - cancellation');
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153
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154 $t->stop();
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155
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156 like($t->read_file('test.log'), qr/499/, 'reset stream - log');
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157
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158 ###############################################################################
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159
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160 sub wait_ack {
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161 my ($s) = @_;
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162 my $last = $s->{pn}[0][3];
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parents: 1879
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163
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164 for (1 .. 5) {
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165 my $frames = $s->read(all => [ {type => 'ACK' }]);
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166 my ($frame) = grep { $_->{type} eq "ACK" } @$frames;
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parents: 1879
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167 last unless $frame->{largest} < $last;
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parents: 1879
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168 }
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169 }
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170
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171 sub read_body_file {
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172 my ($path) = @_;
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173 return unless $path;
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174 open FILE, $path or return "$!";
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175 local $/;
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176 my $content = <FILE>;
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177 close FILE;
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178 return $content;
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179 }
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180
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181 ###############################################################################