ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/Coro/myhttpd/access.pl
(Generate patch)

Comparing Coro/myhttpd/access.pl (file contents):
Revision 1.7 by root, Mon Aug 20 16:58:19 2001 UTC vs.
Revision 1.26 by root, Tue Dec 4 15:57:59 2001 UTC

1package transferqueue;
1 2
3my @reserve = (
4 [ 1_200_000, 1],
5 [ 3_000_000, 1],
6 [ 75_000_000, 1],
7);
8
9sub new {
10 my $class = shift;
11 my $self = bless {
12 slots => $_[0],
13 lastspb => 0,
14 avgspb => 0,
15 }, $class;
16 $self->{reschedule} = Event->timer(
17 after => 10,
18 interval => 3,
19 cb => sub { $self->wake_next },
20 );
21 $self;
22}
23
24sub start_transfer {
25 my $self = shift;
26 my $size = $_[0];
27
28 my $transfer = bless {
29 queue => $self,
30 time => $::NOW,
31 size => $size,
32 coro => $Coro::current,
33 started => 0,
34 }, transfer::;
35
36 push @{$self->{wait}}, $transfer;
37
38 $self->wake_next;
39
40 $transfer;
41}
42
43sub sort {
44 my @queue = grep $_, @{$_[0]{wait}};
45
46 $_->{spb} = ($::NOW-$_->{time}) / ($_->{size} || 1) for @queue;
47
48 $_[0]{wait} = [sort { $b->{spb} <=> $a->{spb} } @queue];
49
50 Scalar::Util::weaken $_ for @{$_[0]{wait}};
51}
52
53sub wake_next {
54 my $self = shift;
55
56 $self->sort;
57
58 while (@{$self->{wait}}) {
59 my $size = $self->{wait}[0]{size};
60 my $min = 0;
61 for (@reserve) {
62 last if $size <= $_->[0];
63 $min += $_->[1];
64 }
65 last unless $self->{slots} > $min;
66 my $transfer = shift @{$self->{wait}};
67 $self->{lastspb} = $transfer->{spb};
68 $self->{avgspb} ||= $transfer->{spb};
69 $self->{avgspb} = $self->{avgspb} * 0.95 + $transfer->{spb} * 0.05;
70 $self->{started}++;
71 $transfer->wake;
72 last;
73 }
74}
75
76sub waiters {
77 $_[0]->sort;
78 @{$_[0]{wait}};
79}
80
81sub DESTROY {
82 my $self = shift;
83
84 $self->{reschedule}->cancel;
85}
86
87package transfer;
88
89use Coro::Timer ();
90
91sub wake {
92 my $self = shift;
93
94 $self->{alloc} = 1;
95 $self->{queue}{slots}--;
96 $self->{wake} and $self->{wake}->ready;
97}
98
99sub try {
100 my $self = shift;
101
102 $self->{alloc} || do {
103 my $timeout = Coro::Timer::timeout $_[0];
104 local $self->{wake} = $self->{coro};
105
106 Coro::schedule;
107
108 $self->{alloc};
109 }
110}
111
112sub DESTROY {
113 my $self = shift;
114
115 if ($self->{alloc}) {
116 $self->{queue}{slots}++;
117 $self->{queue}->wake_next;
118 }
119}
120
121package conn;
122
2our @blockuri; 123our %blockuri;
3our @blockref; 124our $blockref;
4 125
5sub read_blockuri { 126sub read_blockuri {
6 local *B; 127 local *B;
7 my %group; 128 my %group;
8 @blockuri = (); 129 %blockuri = ();
9 if (open B, "<blockuri") { 130 if (open B, "<blockuri") {
10 while (<B>) { 131 while (<B>) {
11 chomp; 132 chomp;
12 if (/^group\s+(\S+)\s+(.*)/i) { 133 if (/^group\s+(\S+)\s+(.*)/i) {
13 $group{$1} = [split /\s+/, $2]; 134 $group{$1} = [split /\s+/, $2];
16 my @r; 137 my @r;
17 for (split /\s+/, $2) { 138 for (split /\s+/, $2) {
18 push @r, $group{$_} ? @{$group{$_}} : $_; 139 push @r, $group{$_} ? @{$group{$_}} : $_;
19 } 140 }
20 print "not($g) => (@r)\n"; 141 print "not($g) => (@r)\n";
142 push @{$blockuri{$_}}, $g for @r;
21 push @blockuri, [qr/$g/i, \@r]; 143 push @blockuri, [qr/$g/i, \@r];
22 } elsif (/\S/) { 144 } elsif (/\S/) {
23 print "blockuri: unparsable line: $_\n"; 145 print "blockuri: unparsable line: $_\n";
24 } 146 }
25 } 147 }
148 for (keys %blockuri) {
149 my $qr = join ")|(?:", @{$blockuri{$_}};
150 $blockuri{$_} = qr{(?:$qr)}i;
151 }
26 } else { 152 } else {
27 print "no blockuri\n"; 153 print "no blockuri\n";
28 } 154 }
29} 155}
30 156
31sub read_blockref { 157sub read_blockref {
32 local *B; 158 local *B;
33 @blockref = (); 159 my @blockref;
34 if (open B, "<blockreferer") { 160 if (open B, "<blockreferer") {
35 while (<B>) { 161 while (<B>) {
36 chomp; 162 chomp;
37 if (/^([^\t]*)\t\s*(.*)/) { 163 if (/^([^\t]*)\t\s*(.*)/) {
38 push @blockref, qr/^$1/i; 164 push @blockref, $1;
39 } elsif (/\S/) { 165 } elsif (/\S/) {
40 print "blockref: unparsable line: $_\n"; 166 print "blockref: unparsable line: $_\n";
41 } 167 }
42 } 168 }
169 $blockref = join ")|(?:", @blockref;
170 $blockref = qr{^(?:$blockref)}i;
43 } else { 171 } else {
44 print "no blockref\n"; 172 print "no blockref\n";
173 $blockref = qr{^x^};
45 } 174 }
46} 175}
47 176
48read_blockuri; 177read_blockuri;
49read_blockref; 178read_blockref;
50 179
51use Tie::Cache; 180use Tie::Cache;
52tie %whois_cache, Tie::Cache::, $MAX_CONNECTS * 1.5; 181tie %whois_cache, Tie::Cache::, 32;
53 182
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 { 183sub access_check {
144 my $self = shift; 184 my $self = shift;
145 185
146 my $ref = $self->{h}{referer}; 186 my $ref = $self->{h}{referer};
147 my $uri = $self->{path}; 187 my $uri = $self->{path};
148 my %disallow; 188 my %disallow;
149 189
150 for (@blockref) {
151 $self->err_block_referer if $ref =~ $_; 190 $self->err_block_referer
152 } 191 if $self->{h}{referer} =~ $blockref;
153 192
154 for (@blockuri) {
155 if ($uri =~ $_->[0]) {
156 $disallow{$_}++ for @{$_->[1]};
157 }
158 }
159
160 my $whois = $whois_cache{$self->{remote_addr}} 193 my $whois = $whois_cache{$self->{remote_addr}}
161 ||= ::ip_request($self->{remote_addr}); 194 ||= netgeo::ip_request($self->{remote_addr});
162 195
163 my $country = "XX"; 196 my $country = "XX";
164 197
165 if ($whois =~ /^\*cy: (\S+)/m) { 198 if ($whois =~ /^\*cy: (\S+)/m) {
166 $country = uc $1; 199 $country = uc $1;
168 $self->slog(9, "no country($whois)"); 201 $self->slog(9, "no country($whois)");
169 } 202 }
170 203
171 $self->{country} = $country; 204 $self->{country} = $country;
172 205
173 if ($disallow{$country}) {
174 $self->err_block_country($whois); 206 $self->err_block_country($whois)
175 } 207 if $self->{path} =~ $blockuri{$country};
176} 208}
177 209
1781; 2101;

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines