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/cvs/cvsroot/Coro/myhttpd/access.pl
Revision: 1.15
Committed: Fri Nov 30 03:06:37 2001 UTC (22 years, 7 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.14: +6 -3 lines
Log Message:
*** empty log message ***

File Contents

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