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1 | package transferqueue; |
| 1 | |
2 | |
| 2 | our @blocklist; |
3 | my @reserve = ( |
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4 | [ 1_200_000, 1], |
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5 | [ 3_000_000, 1], |
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6 | [ 75_000_000, 1], |
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7 | ); |
| 3 | |
8 | |
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9 | sub new { |
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10 | my $class = shift; |
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11 | bless { |
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12 | slots => $_[0], |
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13 | lastspb => 0, |
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14 | avgspb => 0, |
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15 | }, $class; |
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16 | } |
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17 | |
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18 | sub start_transfer { |
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19 | my $self = shift; |
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20 | my $size = $_[0]; |
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21 | |
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22 | my $transfer = bless { |
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23 | queue => $self, |
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24 | time => $::NOW, |
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25 | size => $size, |
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26 | coro => $Coro::current, |
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27 | started => 0, |
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28 | }, transfer::; |
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29 | |
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30 | push @{$self->{wait}}, $transfer; |
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31 | |
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32 | $self->wake_next; |
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33 | |
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34 | $transfer; |
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35 | } |
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36 | |
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37 | sub sort { |
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38 | my @queue = grep $_, @{$_[0]{wait}}; |
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39 | |
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40 | $_->{spb} = ($::NOW-$_->{time}) / ($_->{size} || 1) for @queue; |
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41 | |
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42 | $_[0]{wait} = [sort { $b->{spb} <=> $a->{spb} } @queue]; |
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43 | |
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44 | Scalar::Util::weaken $_ for @{$_[0]{wait}}; |
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45 | } |
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46 | |
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47 | sub wake_next { |
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48 | my $self = shift; |
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49 | |
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50 | $self->sort; |
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51 | |
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52 | while (@{$self->{wait}}) { |
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53 | my $size = $self->{wait}[0]{size}; |
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54 | my $min = 0; |
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55 | for (@reserve) { |
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56 | last if $size <= $_->[0]; |
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57 | $min += $_->[1]; |
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58 | } |
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59 | last unless $self->{slots} > $min; |
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60 | my $transfer = shift @{$self->{wait}}; |
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61 | $self->{lastspb} = $transfer->{spb}; |
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62 | $self->{avgspb} ||= $transfer->{spb}; |
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63 | $self->{avgspb} = $self->{avgspb} * 0.95 + $transfer->{spb} * 0.05; |
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64 | $self->{started}++; |
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65 | $transfer->wake; |
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66 | last; |
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67 | } |
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68 | } |
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69 | |
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70 | sub waiters { |
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71 | $_[0]->sort; |
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72 | @{$_[0]{wait}}; |
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73 | } |
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74 | |
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75 | package transfer; |
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76 | |
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77 | use Coro::Timer (); |
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78 | |
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79 | sub wake { |
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80 | my $self = shift; |
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81 | |
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82 | $self->{alloc} = 1; |
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83 | $self->{queue}{slots}--; |
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84 | $self->{wake} and $self->{wake}->ready; |
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85 | } |
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86 | |
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87 | sub try { |
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88 | my $self = shift; |
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89 | |
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90 | $self->{alloc} || do { |
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91 | my $timeout = Coro::Timer::timeout $_[0]; |
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92 | local $self->{wake} = $self->{coro}; |
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93 | |
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94 | Coro::schedule; |
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95 | |
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96 | $self->{alloc}; |
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97 | } |
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98 | } |
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99 | |
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100 | sub DESTROY { |
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101 | my $self = shift; |
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102 | |
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103 | if ($self->{alloc}) { |
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104 | $self->{queue}{slots}++; |
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105 | $self->{queue}->wake_next; |
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106 | } |
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107 | } |
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108 | |
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109 | package conn; |
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110 | |
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111 | our %blockuri; |
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112 | our $blockref; |
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113 | |
| 4 | sub read_blocklist { |
114 | sub read_blockuri { |
| 5 | local *B; |
115 | local *B; |
| 6 | my %group; |
116 | my %group; |
| 7 | @blocklist = (); |
117 | %blockuri = (); |
| 8 | if (open B, "<blocklist") { |
118 | if (open B, "<blockuri") { |
| 9 | while (<B>) { |
119 | while (<B>) { |
| 10 | chomp; |
120 | chomp; |
| 11 | if (/^group\s+(\S+)\s+(.*)/i) { |
121 | if (/^group\s+(\S+)\s+(.*)/i) { |
| 12 | $group{$1} = [split /\s+/, $2]; |
122 | $group{$1} = [split /\s+/, $2]; |
| 13 | } elsif (/^!([^\t]*)\t\s*(.*)/) { |
123 | } elsif (/^!([^\t]*)\t\s*(.*)/) { |
| … | |
… | |
| 15 | my @r; |
125 | my @r; |
| 16 | for (split /\s+/, $2) { |
126 | for (split /\s+/, $2) { |
| 17 | push @r, $group{$_} ? @{$group{$_}} : $_; |
127 | push @r, $group{$_} ? @{$group{$_}} : $_; |
| 18 | } |
128 | } |
| 19 | print "not($g) => (@r)\n"; |
129 | print "not($g) => (@r)\n"; |
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130 | push @{$blockuri{$_}}, $g for @r; |
| 20 | push @blocklist, [qr/$g/i, \@r]; |
131 | push @blockuri, [qr/$g/i, \@r]; |
| 21 | } elsif (/\S/) { |
132 | } elsif (/\S/) { |
| 22 | print "blocklist: unparsable line: $_\n"; |
133 | print "blockuri: unparsable line: $_\n"; |
| 23 | } |
134 | } |
| 24 | } |
135 | } |
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136 | for (keys %blockuri) { |
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137 | my $qr = join ")|(?:", @{$blockuri{$_}}; |
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138 | $blockuri{$_} = qr{(?:$qr)}i; |
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139 | } |
| 25 | } else { |
140 | } else { |
| 26 | print "no blocklst\n"; |
141 | print "no blockuri\n"; |
| 27 | } |
142 | } |
| 28 | } |
143 | } |
| 29 | |
144 | |
| 30 | read_blocklist; |
145 | sub read_blockref { |
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146 | local *B; |
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147 | my @blockref; |
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148 | if (open B, "<blockreferer") { |
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149 | while (<B>) { |
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150 | chomp; |
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151 | if (/^([^\t]*)\t\s*(.*)/) { |
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152 | push @blockref, $1; |
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153 | } elsif (/\S/) { |
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154 | print "blockref: unparsable line: $_\n"; |
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155 | } |
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156 | } |
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157 | $blockref = join ")|(?:", @blockref; |
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158 | $blockref = qr{^(?:$blockref)}i; |
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159 | } else { |
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160 | print "no blockref\n"; |
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161 | $blockref = qr{^x^}; |
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162 | } |
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163 | } |
| 31 | |
164 | |
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165 | read_blockuri; |
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166 | read_blockref; |
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167 | |
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168 | use Tie::Cache; |
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169 | tie %whois_cache, Tie::Cache::, 32; |
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170 | |
| 32 | sub conn::access_check { |
171 | sub access_check { |
| 33 | my $self = shift; |
172 | my $self = shift; |
| 34 | |
173 | |
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174 | my $ref = $self->{h}{referer}; |
| 35 | my $uri = $self->{path}; |
175 | my $uri = $self->{path}; |
| 36 | my %disallow; |
176 | my %disallow; |
| 37 | |
177 | |
| 38 | for (@blocklist) { |
178 | $self->err_block_referer |
| 39 | if ($uri =~ $_->[0]) { |
179 | if $self->{h}{referer} =~ $blockref; |
| 40 | $disallow{$_}++ for @{$_->[1]}; |
180 | |
| 41 | } |
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| 42 | } |
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| 43 | |
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| 44 | my $whois = ::ip_request($self->{remote_addr}); |
181 | my $whois = $whois_cache{$self->{remote_addr}} |
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182 | ||= netgeo::ip_request($self->{remote_addr}); |
| 45 | |
183 | |
| 46 | my $country = "XX"; |
184 | my $country = "XX"; |
| 47 | |
185 | |
| 48 | if ($whois =~ /^\*cy: (\S+)/m) { |
186 | if ($whois =~ /^\*cy: (\S+)/m) { |
| 49 | $country = uc $1; |
187 | $country = uc $1; |
| … | |
… | |
| 51 | $self->slog(9, "no country($whois)"); |
189 | $self->slog(9, "no country($whois)"); |
| 52 | } |
190 | } |
| 53 | |
191 | |
| 54 | $self->{country} = $country; |
192 | $self->{country} = $country; |
| 55 | |
193 | |
| 56 | if ($disallow{$country}) { |
194 | $self->err_block_country($whois) |
| 57 | $self->slog(6, "DISALLOW($uri,$country)"); |
195 | if $self->{path} =~ $blockuri{$country}; |
| 58 | |
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| 59 | $whois =~ s/&/&/g; |
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| 60 | $whois =~ s/</</g; |
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| 61 | $self->err(403, "forbidden", { "Content-Type" => "text/html" }, <<EOF); |
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| 62 | <html> |
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| 63 | <head> |
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| 64 | <title>This material is licensed in your country!</title> |
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| 65 | </head> |
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| 66 | <body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#000080" alink="#ff0000"> |
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| 67 | |
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| 68 | <h1>This material is licensed in your country!</h1> |
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| 69 | |
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| 70 | <p>My research has shown that your IP address |
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| 71 | (<b>$self->{remote_addr}</b>) most probably is located in this country: |
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| 72 | <b>$country</b> (ISO-3166-2 code, XX == unknown). The full record is:</p> |
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| 73 | |
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| 74 | <pre> |
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| 75 | $whois |
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| 76 | </pre> |
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| 77 | |
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| 78 | <p>My database says that the material you are trying to access is licensed |
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| 79 | in your country. If I would distribute these files to your country I would |
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| 80 | actively <em>hurt</em> the industry behind it, which includes the artists |
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| 81 | and authors of these videos/mangas. So I hope you understand that I try to |
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| 82 | avoid this.</p> |
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| 83 | |
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| 84 | <p>If you <em>really</em> think that this is wrong, i.e. the |
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| 85 | material you tried to access is <em>not</em> licensed in your |
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| 86 | country or your ip address was misdetected, you can write to <a |
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| 87 | href="mailto:licensed\@plan9.de">licensed\@plan9.de</a>. Please explain |
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| 88 | what happened and why you think this is wrong in as much detail as |
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| 89 | possible.</p> |
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| 90 | |
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| 91 | <div align="right">Thanks a lot for understanding.</div> |
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| 92 | |
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| 93 | </body> |
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| 94 | </html> |
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| 95 | EOF |
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| 96 | } |
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| 97 | } |
196 | } |
| 98 | |
197 | |
| 99 | 1; |
198 | 1; |
