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