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/cvs/Coro/myhttpd/access.pl
Revision: 1.14
Committed: Fri Nov 30 03:02:23 2001 UTC (22 years, 7 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.13: +3 -5 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, $Coro::current ], transfer::;
14 Scalar::Util::weaken($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 $self->[2] or Coro::schedule;
53
54 return $self->[2];
55 }
56
57 sub wake {
58 my $self = shift;
59 $self->[2] = 1;
60 $self->[1]->ready;
61 }
62
63 sub DESTROY {
64 my $self = shift;
65 $self->[0]{conns}++;
66 $self->[0]->wake_next;
67 }
68
69 package conn;
70
71 our %blockuri;
72 our $blockref;
73
74 sub read_blockuri {
75 local *B;
76 my %group;
77 %blockuri = ();
78 if (open B, "<blockuri") {
79 while (<B>) {
80 chomp;
81 if (/^group\s+(\S+)\s+(.*)/i) {
82 $group{$1} = [split /\s+/, $2];
83 } elsif (/^!([^\t]*)\t\s*(.*)/) {
84 my $g = $1;
85 my @r;
86 for (split /\s+/, $2) {
87 push @r, $group{$_} ? @{$group{$_}} : $_;
88 }
89 print "not($g) => (@r)\n";
90 push @{$blockuri{$_}}, $g for @r;
91 push @blockuri, [qr/$g/i, \@r];
92 } elsif (/\S/) {
93 print "blockuri: unparsable line: $_\n";
94 }
95 }
96 for (keys %blockuri) {
97 my $qr = join ")|(?:", @{$blockuri{$_}};
98 $blockuri{$_} = qr{(?:$qr)}i;
99 }
100 } else {
101 print "no blockuri\n";
102 }
103 }
104
105 sub read_blockref {
106 local *B;
107 my @blockref;
108 if (open B, "<blockreferer") {
109 while (<B>) {
110 chomp;
111 if (/^([^\t]*)\t\s*(.*)/) {
112 push @blockref, $1;
113 } elsif (/\S/) {
114 print "blockref: unparsable line: $_\n";
115 }
116 }
117 $blockref = join ")|(?:", @blockref;
118 $blockref = qr{^(?:$blockref)}i;
119 } else {
120 print "no blockref\n";
121 $blockref = qr{^x^};
122 }
123 }
124
125 read_blockuri;
126 read_blockref;
127
128 use Tie::Cache;
129 tie %whois_cache, Tie::Cache::, 32;
130
131 sub access_check {
132 my $self = shift;
133
134 my $ref = $self->{h}{referer};
135 my $uri = $self->{path};
136 my %disallow;
137
138 $self->err_block_referer
139 if $self->{h}{referer} =~ $blockref;
140
141 my $whois = $whois_cache{$self->{remote_addr}}
142 ||= netgeo::ip_request($self->{remote_addr});
143
144 my $country = "XX";
145
146 if ($whois =~ /^\*cy: (\S+)/m) {
147 $country = uc $1;
148 } else {
149 $self->slog(9, "no country($whois)");
150 }
151
152 $self->{country} = $country;
153
154 $self->err_block_country($whois)
155 if $self->{path} =~ $blockuri{$country};
156 }
157
158 1;