| 1 |
package transferqueue; |
| 2 |
|
| 3 |
sub new { |
| 4 |
my $class = shift; |
| 5 |
bless { |
| 6 |
conns => $_[0], |
| 7 |
}, $class; |
| 8 |
} |
| 9 |
|
| 10 |
sub start_transfer { |
| 11 |
my $self = shift; |
| 12 |
|
| 13 |
my $trans = bless [ $self ], transfer::; |
| 14 |
Scalar::Util::weaken($trans->[0]); |
| 15 |
|
| 16 |
push @{$self->{wait}}, $trans; |
| 17 |
Scalar::Util::weaken($self->{wait}[-1]); |
| 18 |
|
| 19 |
--$self->{conns}; |
| 20 |
$self->wake_next; |
| 21 |
|
| 22 |
$trans; |
| 23 |
} |
| 24 |
|
| 25 |
sub wake_next { |
| 26 |
my $self = shift; |
| 27 |
|
| 28 |
if ($self->{conns} >= 0) { |
| 29 |
while(@{$self->{wait}}) { |
| 30 |
my $transfer = shift @{$self->{wait}}; |
| 31 |
if ($transfer) { |
| 32 |
$transfer->wake; |
| 33 |
last; |
| 34 |
} |
| 35 |
} |
| 36 |
} |
| 37 |
} |
| 38 |
|
| 39 |
sub waiters { |
| 40 |
map $_->[1], @{$_[0]{wait}}; |
| 41 |
} |
| 42 |
|
| 43 |
package transfer; |
| 44 |
|
| 45 |
use Coro::Timer (); |
| 46 |
|
| 47 |
sub wake { |
| 48 |
my $self = shift; |
| 49 |
$self->[2] = 1; |
| 50 |
ref $self->[1] and $self->[1]->ready; |
| 51 |
} |
| 52 |
|
| 53 |
sub try { |
| 54 |
my $self = shift; |
| 55 |
|
| 56 |
unless ($self->[2]) { |
| 57 |
my $timeout = Coro::Timer::timeout $_[0]; |
| 58 |
$self->[1] = $Coro::current; |
| 59 |
|
| 60 |
Coro::schedule; |
| 61 |
|
| 62 |
undef $self->[1]; |
| 63 |
} |
| 64 |
|
| 65 |
return $self->[2]; |
| 66 |
} |
| 67 |
|
| 68 |
sub DESTROY { |
| 69 |
my $self = shift; |
| 70 |
$self->[0]{conns}++; |
| 71 |
$self->[0]->wake_next; |
| 72 |
} |
| 73 |
|
| 74 |
package conn; |
| 75 |
|
| 76 |
our %blockuri; |
| 77 |
our $blockref; |
| 78 |
|
| 79 |
sub read_blockuri { |
| 80 |
local *B; |
| 81 |
my %group; |
| 82 |
%blockuri = (); |
| 83 |
if (open B, "<blockuri") { |
| 84 |
while (<B>) { |
| 85 |
chomp; |
| 86 |
if (/^group\s+(\S+)\s+(.*)/i) { |
| 87 |
$group{$1} = [split /\s+/, $2]; |
| 88 |
} elsif (/^!([^\t]*)\t\s*(.*)/) { |
| 89 |
my $g = $1; |
| 90 |
my @r; |
| 91 |
for (split /\s+/, $2) { |
| 92 |
push @r, $group{$_} ? @{$group{$_}} : $_; |
| 93 |
} |
| 94 |
print "not($g) => (@r)\n"; |
| 95 |
push @{$blockuri{$_}}, $g for @r; |
| 96 |
push @blockuri, [qr/$g/i, \@r]; |
| 97 |
} elsif (/\S/) { |
| 98 |
print "blockuri: unparsable line: $_\n"; |
| 99 |
} |
| 100 |
} |
| 101 |
for (keys %blockuri) { |
| 102 |
my $qr = join ")|(?:", @{$blockuri{$_}}; |
| 103 |
$blockuri{$_} = qr{(?:$qr)}i; |
| 104 |
} |
| 105 |
} else { |
| 106 |
print "no blockuri\n"; |
| 107 |
} |
| 108 |
} |
| 109 |
|
| 110 |
sub read_blockref { |
| 111 |
local *B; |
| 112 |
my @blockref; |
| 113 |
if (open B, "<blockreferer") { |
| 114 |
while (<B>) { |
| 115 |
chomp; |
| 116 |
if (/^([^\t]*)\t\s*(.*)/) { |
| 117 |
push @blockref, $1; |
| 118 |
} elsif (/\S/) { |
| 119 |
print "blockref: unparsable line: $_\n"; |
| 120 |
} |
| 121 |
} |
| 122 |
$blockref = join ")|(?:", @blockref; |
| 123 |
$blockref = qr{^(?:$blockref)}i; |
| 124 |
} else { |
| 125 |
print "no blockref\n"; |
| 126 |
$blockref = qr{^x^}; |
| 127 |
} |
| 128 |
} |
| 129 |
|
| 130 |
read_blockuri; |
| 131 |
read_blockref; |
| 132 |
|
| 133 |
use Tie::Cache; |
| 134 |
tie %whois_cache, Tie::Cache::, 32; |
| 135 |
|
| 136 |
sub access_check { |
| 137 |
my $self = shift; |
| 138 |
|
| 139 |
my $ref = $self->{h}{referer}; |
| 140 |
my $uri = $self->{path}; |
| 141 |
my %disallow; |
| 142 |
|
| 143 |
$self->err_block_referer |
| 144 |
if $self->{h}{referer} =~ $blockref; |
| 145 |
|
| 146 |
my $whois = $whois_cache{$self->{remote_addr}} |
| 147 |
||= netgeo::ip_request($self->{remote_addr}); |
| 148 |
|
| 149 |
my $country = "XX"; |
| 150 |
|
| 151 |
if ($whois =~ /^\*cy: (\S+)/m) { |
| 152 |
$country = uc $1; |
| 153 |
} else { |
| 154 |
$self->slog(9, "no country($whois)"); |
| 155 |
} |
| 156 |
|
| 157 |
$self->{country} = $country; |
| 158 |
|
| 159 |
$self->err_block_country($whois) |
| 160 |
if $self->{path} =~ $blockuri{$country}; |
| 161 |
} |
| 162 |
|
| 163 |
1; |
