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1 | package transferqueue; |
| 1 | |
2 | |
| 2 | our @blocklist; |
3 | sub new { |
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4 | my $class = shift; |
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5 | bless { |
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6 | conns => $_[0], |
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7 | }, $class; |
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8 | } |
| 3 | |
9 | |
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10 | sub start_transfer { |
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11 | my $self = shift; |
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12 | |
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13 | my $trans = bless [ $self, $Coro::current ], transfer::; |
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14 | Scalar::Util::weaken($trans->[0]); |
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15 | |
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16 | push @{$self->{wait}}, $trans; |
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17 | Scalar::Util::weaken($self->{wait}[-1]); |
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18 | |
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19 | if (--$self->{conns} >= 0) { |
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20 | $self->wake_next; |
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21 | } |
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22 | |
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23 | $trans; |
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24 | } |
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25 | |
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26 | sub wake_next { |
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27 | my $self = shift; |
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28 | |
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29 | if ($self->{conns} >= 0) { |
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30 | while(@{$self->{wait}}) { |
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31 | my $transfer = shift @{$self->{wait}}; |
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32 | if ($transfer) { |
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33 | $transfer->wake; |
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34 | last; |
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35 | } |
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36 | } |
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37 | } |
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38 | } |
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39 | |
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40 | sub waiters { |
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41 | map $_->[1], @{$_[0]{wait}}; |
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42 | } |
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43 | |
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44 | package transfer; |
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45 | |
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46 | use Coro::Timer (); |
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47 | |
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48 | sub try { |
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49 | my $self = shift; |
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50 | my $timeout = Coro::Timer::timeout $_[0]; |
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51 | |
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52 | $self->[2] or Coro::schedule; |
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53 | |
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54 | return $self->[2]; |
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55 | } |
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56 | |
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57 | sub wake { |
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58 | my $self = shift; |
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59 | $self->[2] = 1; |
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60 | $self->[1]->ready; |
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61 | } |
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62 | |
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63 | sub DESTROY { |
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64 | my $self = shift; |
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65 | $self->[0]{conns}++; |
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66 | $self->[0]->wake_next; |
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67 | } |
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68 | |
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69 | package conn; |
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70 | |
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71 | our %blockuri; |
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72 | our $blockref; |
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73 | |
| 4 | sub read_blocklist { |
74 | sub read_blockuri { |
| 5 | local *B; |
75 | local *B; |
| 6 | my %group; |
76 | my %group; |
| 7 | @blocklist = (); |
77 | %blockuri = (); |
| 8 | if (open B, "<blocklist") { |
78 | if (open B, "<blockuri") { |
| 9 | while (<B>) { |
79 | while (<B>) { |
| 10 | chomp; |
80 | chomp; |
| 11 | if (/^group\s+(\S+)\s+(.*)/i) { |
81 | if (/^group\s+(\S+)\s+(.*)/i) { |
| 12 | $group{$1} = [split /\s+/, $2]; |
82 | $group{$1} = [split /\s+/, $2]; |
| 13 | } elsif (/^!([^\t]*)\t\s*(.*)/) { |
83 | } elsif (/^!([^\t]*)\t\s*(.*)/) { |
| … | |
… | |
| 15 | my @r; |
85 | my @r; |
| 16 | for (split /\s+/, $2) { |
86 | for (split /\s+/, $2) { |
| 17 | push @r, $group{$_} ? @{$group{$_}} : $_; |
87 | push @r, $group{$_} ? @{$group{$_}} : $_; |
| 18 | } |
88 | } |
| 19 | print "not($g) => (@r)\n"; |
89 | print "not($g) => (@r)\n"; |
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90 | push @{$blockuri{$_}}, $g for @r; |
| 20 | push @blocklist, [qr/$g/i, \@r]; |
91 | push @blockuri, [qr/$g/i, \@r]; |
| 21 | } elsif (/\S/) { |
92 | } elsif (/\S/) { |
| 22 | print "blocklist: unparsable line: $_\n"; |
93 | print "blockuri: unparsable line: $_\n"; |
| 23 | } |
94 | } |
| 24 | } |
95 | } |
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96 | for (keys %blockuri) { |
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97 | my $qr = join ")|(?:", @{$blockuri{$_}}; |
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98 | $blockuri{$_} = qr{(?:$qr)}i; |
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99 | } |
| 25 | } else { |
100 | } else { |
| 26 | print "no blocklst\n"; |
101 | print "no blockuri\n"; |
| 27 | } |
102 | } |
| 28 | } |
103 | } |
| 29 | |
104 | |
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105 | sub read_blockref { |
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106 | local *B; |
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107 | my @blockref; |
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108 | if (open B, "<blockreferer") { |
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109 | while (<B>) { |
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110 | chomp; |
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111 | if (/^([^\t]*)\t\s*(.*)/) { |
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112 | push @blockref, $1; |
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113 | } elsif (/\S/) { |
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114 | print "blockref: unparsable line: $_\n"; |
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115 | } |
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116 | } |
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117 | $blockref = join ")|(?:", @blockref; |
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118 | $blockref = qr{^(?:$blockref)}i; |
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119 | } else { |
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120 | print "no blockref\n"; |
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121 | $blockref = qr{^x^}; |
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122 | } |
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123 | } |
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124 | |
| 30 | read_blocklist; |
125 | read_blockuri; |
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126 | read_blockref; |
| 31 | |
127 | |
| 32 | use Tie::Cache; |
128 | use Tie::Cache; |
| 33 | tie %whois_cache, Tie::Cache::, $MAX_CONNECTS * 1.5; |
129 | tie %whois_cache, Tie::Cache::, 32; |
| 34 | |
130 | |
| 35 | sub conn::access_check { |
131 | sub access_check { |
| 36 | my $self = shift; |
132 | my $self = shift; |
| 37 | |
133 | |
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134 | my $ref = $self->{h}{referer}; |
| 38 | my $uri = $self->{path}; |
135 | my $uri = $self->{path}; |
| 39 | my %disallow; |
136 | my %disallow; |
| 40 | |
137 | |
| 41 | for (@blocklist) { |
138 | $self->err_block_referer |
| 42 | if ($uri =~ $_->[0]) { |
139 | if $self->{h}{referer} =~ $blockref; |
| 43 | $disallow{$_}++ for @{$_->[1]}; |
140 | |
| 44 | } |
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| 45 | } |
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| 46 | |
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| 47 | my $whois = $whois_cache{$self->{remote_addr}} |
141 | my $whois = $whois_cache{$self->{remote_addr}} |
| 48 | ||= ::ip_request($self->{remote_addr}); |
142 | ||= netgeo::ip_request($self->{remote_addr}); |
| 49 | |
143 | |
| 50 | my $country = "XX"; |
144 | my $country = "XX"; |
| 51 | |
145 | |
| 52 | if ($whois =~ /^\*cy: (\S+)/m) { |
146 | if ($whois =~ /^\*cy: (\S+)/m) { |
| 53 | $country = uc $1; |
147 | $country = uc $1; |
| … | |
… | |
| 55 | $self->slog(9, "no country($whois)"); |
149 | $self->slog(9, "no country($whois)"); |
| 56 | } |
150 | } |
| 57 | |
151 | |
| 58 | $self->{country} = $country; |
152 | $self->{country} = $country; |
| 59 | |
153 | |
| 60 | if ($disallow{$country}) { |
154 | $self->err_block_country($whois) |
| 61 | $self->slog(6, "DISALLOW($uri,$country)"); |
155 | if $self->{path} =~ $blockuri{$country}; |
| 62 | |
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| 63 | $whois =~ s/&/&/g; |
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| 64 | $whois =~ s/</</g; |
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| 65 | $self->err(403, "forbidden", { "Content-Type" => "text/html" }, <<EOF); |
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| 66 | <html> |
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| 67 | <head> |
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| 68 | <title>This material is licensed in your country!</title> |
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| 69 | </head> |
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| 70 | <body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#000080" alink="#ff0000"> |
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| 71 | |
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| 72 | <h1>This material is licensed in your country!</h1> |
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| 73 | |
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| 74 | <p>My research has shown that your IP address |
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| 75 | (<b>$self->{remote_addr}</b>) most probably is located in this country: |
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| 76 | <b>$country</b> (ISO-3166-2 code, XX == unknown). The full record is:</p> |
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| 77 | |
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| 78 | <pre> |
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| 79 | $whois |
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| 80 | </pre> |
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| 81 | |
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| 82 | <p>My database says that the material you are trying to access is licensed |
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| 83 | in your country. If I would distribute these files to your country I would |
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| 84 | actively <em>hurt</em> the industry behind it, which includes the artists |
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| 85 | and authors of these videos/mangas. So I hope you understand that I try to |
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| 86 | avoid this.</p> |
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| 87 | |
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| 88 | <p>If you <em>really</em> think that this is wrong, i.e. the |
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| 89 | material you tried to access is <em>not</em> licensed in your |
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| 90 | country or your ip address was misdetected, you can write to <a |
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| 91 | href="mailto:licensed\@plan9.de">licensed\@plan9.de</a>. Please explain |
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| 92 | what happened and why you think this is wrong in as much detail as |
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| 93 | possible.</p> |
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| 94 | |
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| 95 | <div align="right">Thanks a lot for understanding.</div> |
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| 96 | |
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| 97 | </body> |
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| 98 | </html> |
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| 99 | EOF |
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| 100 | } |
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| 101 | } |
156 | } |
| 102 | |
157 | |
| 103 | 1; |
158 | 1; |
