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/cvs/cvsroot/Coro/myhttpd/access.pl
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Comparing cvsroot/Coro/myhttpd/access.pl (file contents):
Revision 1.7 by root, Mon Aug 20 16:58:19 2001 UTC vs.
Revision 1.20 by root, Mon Dec 3 05:40:09 2001 UTC

1package transferqueue;
1 2
3sub new {
4 my $class = shift;
5 bless {
6 slots => $_[0],
7 lastspb => 0,
8 avgspb => 0,
9 }, $class;
10}
11
12sub start_transfer {
13 my $self = shift;
14 my $size = $_[0];
15
16 my $transfer = bless {
17 queue => $self,
18 time => $::NOW,
19 size => $size,
20 coro => $Coro::current,
21 }, transfer::;
22
23 push @{$self->{wait}}, $transfer;
24 Scalar::Util::weaken($self->{wait}[-1]);
25
26 $self->wake_next;
27
28 $trans;
29}
30
31sub wake_next {
32 my $self = shift;
33
34 $self->sort;
35
36 while($self->{slots} && @{$self->{wait}}) {
37 my $transfer = shift @{$self->{wait}};
38 if ($transfer) {
39 $self->{lastspb} = $transfer->{spb};
40 $self->{avgspb} ||= $transfer->{spb};
41 $self->{avgspb} = $self->{avgspb} * 0.95 + $transfer->{spb} * 0.05;
42 $transfer->wake;
43 last;
44 }
45 }
46}
47
48sub sort {
49 $_[0]{wait} = [
50 sort { $b->{spb} <=> $a->{spb} }
51 grep { $_ && ($_->{spb} = ($::NOW-$_->{time})/($_->{size}||1)), $_ }
52 @{$_[0]{wait}}
53 ];
54}
55
56sub waiters {
57 $_[0]->sort;
58 @{$_[0]{wait}};
59}
60
61package transfer;
62
63use Coro::Timer ();
64
65sub wake {
66 my $self = shift;
67
68 $self->{alloc} = 1;
69 $self->{queue}{slots}--;
70 $self->{wake} and $self->{wake}->ready;
71}
72
73sub try {
74 my $self = shift;
75
76 $self->{alloc} || do {
77 my $timeout = Coro::Timer::timeout $_[0];
78 local $self->{wake} = $self->{coro};
79
80 Coro::schedule;
81
82 $self->{alloc};
83 }
84}
85
86sub DESTROY {
87 my $self = shift;
88
89 if ($self->{alloc}) {
90 $self->{queue}{slots}++;
91 $self->{queue}->wake_next;
92 }
93}
94
95package conn;
96
2our @blockuri; 97our %blockuri;
3our @blockref; 98our $blockref;
4 99
5sub read_blockuri { 100sub read_blockuri {
6 local *B; 101 local *B;
7 my %group; 102 my %group;
8 @blockuri = (); 103 %blockuri = ();
9 if (open B, "<blockuri") { 104 if (open B, "<blockuri") {
10 while (<B>) { 105 while (<B>) {
11 chomp; 106 chomp;
12 if (/^group\s+(\S+)\s+(.*)/i) { 107 if (/^group\s+(\S+)\s+(.*)/i) {
13 $group{$1} = [split /\s+/, $2]; 108 $group{$1} = [split /\s+/, $2];
16 my @r; 111 my @r;
17 for (split /\s+/, $2) { 112 for (split /\s+/, $2) {
18 push @r, $group{$_} ? @{$group{$_}} : $_; 113 push @r, $group{$_} ? @{$group{$_}} : $_;
19 } 114 }
20 print "not($g) => (@r)\n"; 115 print "not($g) => (@r)\n";
116 push @{$blockuri{$_}}, $g for @r;
21 push @blockuri, [qr/$g/i, \@r]; 117 push @blockuri, [qr/$g/i, \@r];
22 } elsif (/\S/) { 118 } elsif (/\S/) {
23 print "blockuri: unparsable line: $_\n"; 119 print "blockuri: unparsable line: $_\n";
24 } 120 }
121 }
122 for (keys %blockuri) {
123 my $qr = join ")|(?:", @{$blockuri{$_}};
124 $blockuri{$_} = qr{(?:$qr)}i;
25 } 125 }
26 } else { 126 } else {
27 print "no blockuri\n"; 127 print "no blockuri\n";
28 } 128 }
29} 129}
30 130
31sub read_blockref { 131sub read_blockref {
32 local *B; 132 local *B;
33 @blockref = (); 133 my @blockref;
34 if (open B, "<blockreferer") { 134 if (open B, "<blockreferer") {
35 while (<B>) { 135 while (<B>) {
36 chomp; 136 chomp;
37 if (/^([^\t]*)\t\s*(.*)/) { 137 if (/^([^\t]*)\t\s*(.*)/) {
38 push @blockref, qr/^$1/i; 138 push @blockref, $1;
39 } elsif (/\S/) { 139 } elsif (/\S/) {
40 print "blockref: unparsable line: $_\n"; 140 print "blockref: unparsable line: $_\n";
41 } 141 }
42 } 142 }
143 $blockref = join ")|(?:", @blockref;
144 $blockref = qr{^(?:$blockref)}i;
43 } else { 145 } else {
44 print "no blockref\n"; 146 print "no blockref\n";
147 $blockref = qr{^x^};
45 } 148 }
46} 149}
47 150
48read_blockuri; 151read_blockuri;
49read_blockref; 152read_blockref;
50 153
51use Tie::Cache; 154use Tie::Cache;
52tie %whois_cache, Tie::Cache::, $MAX_CONNECTS * 1.5; 155tie %whois_cache, Tie::Cache::, 32;
53 156
54sub conn::err_block_country {
55 my $self = shift;
56 my $whois = shift;
57
58 $whois =~ s/&/&amp;/g;
59 $whois =~ s/</&lt;/g;
60 $self->err(403, "forbidden", { "Content-Type" => "text/html", Connection => "close" }, <<EOF);
61<html>
62<head>
63<title>This material is licensed in your country!</title>
64</head>
65<body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#000080" alink="#ff0000">
66
67<h1>This material is licensed in your country!</h1>
68
69<p>My research has shown that your IP address
70(<b>$self->{remote_addr}</b>) most probably is located in this country:
71<b>$self->{country}</b> (ISO-3166-2 code, XX == unknown). The full record is:</p>
72
73<pre>
74$whois
75</pre>
76
77<p>My database says that the material you are trying to access is licensed
78in your country. If I would distribute these files to your country I would
79actively <em>hurt</em> the industry behind it, which includes the artists
80and authors of these videos/mangas. So I hope you understand that I try to
81avoid this.</p>
82
83<p>Please see the <a href="http://www.goof.com/pcg/marc/animefaq.html#licensed">FAQ</a>
84for a more thorough explanation.</p>
85
86<p>If you <em>really</em> think that this is wrong, i.e. the
87material you tried to access is <em>not</em> licensed in your
88country or your ip address was misdetected, you can write to <a
89href="mailto:licensed\@plan9.de">licensed\@plan9.de</a>. Please explain
90what happened and why you think this is wrong in as much detail as
91possible.</p>
92
93<div align="right">Thanks a lot for understanding.</div>
94
95</body>
96</html>
97EOF
98}
99
100sub conn::err_block_referer {
101 my $self = shift;
102
103 my $uri = $self->{uri};
104 $uri =~ s/\/[^\/]+$/\//;
105
106 $self->slog(6, "REFERER($self->{uri},$self->{h}{referer})");
107
108 $whois =~ s/&/&amp;/g;
109 $whois =~ s/</&lt;/g;
110 $self->err(203, "non-authoritative", { "Content-Type" => "text/html" }, <<EOF);
111<html>
112<head>
113<title>Unallowed Referral</title>
114</head>
115<body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#000080" alink="#ff0000">
116
117<h1>The site which referred you has done something bad!</h1>
118
119<p>It seems that you are coming from this URL:</p>
120
121<pre>$self->{h}{referer}</pre>
122
123<p>This site has been blocked, either because it required you to pay
124money, forced you to click on banners, claimed these files were theirs
125or something very similar. Please note that you can download these files
126<em>without</em> having to pay, <em>without</em> clicking banners or jump
127through other hoops.</p>
128
129<p><b>Sites like the one you came from actively hurt the distribution of
130these files and the service quality for you since I can't move or correct
131files and you will likely not be able to see the full archive.</b></p>
132
133<p>Having that this, you can find the original content (if it is still
134there) by <b>following <a href="$uri">this link</a>.</b></p>
135
136<div align="right">Thanks a lot for understanding.</div>
137
138</body>
139</html>
140EOF
141}
142
143sub conn::access_check { 157sub access_check {
144 my $self = shift; 158 my $self = shift;
145 159
146 my $ref = $self->{h}{referer}; 160 my $ref = $self->{h}{referer};
147 my $uri = $self->{path}; 161 my $uri = $self->{path};
148 my %disallow; 162 my %disallow;
149 163
150 for (@blockref) {
151 $self->err_block_referer if $ref =~ $_; 164 $self->err_block_referer
152 } 165 if $self->{h}{referer} =~ $blockref;
153 166
154 for (@blockuri) {
155 if ($uri =~ $_->[0]) {
156 $disallow{$_}++ for @{$_->[1]};
157 }
158 }
159
160 my $whois = $whois_cache{$self->{remote_addr}} 167 my $whois = $whois_cache{$self->{remote_addr}}
161 ||= ::ip_request($self->{remote_addr}); 168 ||= netgeo::ip_request($self->{remote_addr});
162 169
163 my $country = "XX"; 170 my $country = "XX";
164 171
165 if ($whois =~ /^\*cy: (\S+)/m) { 172 if ($whois =~ /^\*cy: (\S+)/m) {
166 $country = uc $1; 173 $country = uc $1;
168 $self->slog(9, "no country($whois)"); 175 $self->slog(9, "no country($whois)");
169 } 176 }
170 177
171 $self->{country} = $country; 178 $self->{country} = $country;
172 179
173 if ($disallow{$country}) {
174 $self->err_block_country($whois); 180 $self->err_block_country($whois)
175 } 181 if $self->{path} =~ $blockuri{$country};
176} 182}
177 183
1781; 1841;

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