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/cvs/Coro/myhttpd/access.pl
Revision: 1.13
Committed: Thu Nov 29 02:30:04 2001 UTC (22 years, 7 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.12: +10 -1 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 return unless $self->{conns} >= 0;
30
31 if (@{$self->{wait}}) {
32 while() {
33 my $transfer = shift @{$self->{wait}};
34 if ($transfer) {
35 $transfer->wake;
36 last;
37 }
38 }
39 }
40 }
41
42 sub waiters {
43 map $_->[1], @{$_[0]{wait}};
44 }
45
46 package transfer;
47
48 use Coro::Timer ();
49
50 sub try {
51 my $self = shift;
52 my $timeout = Coro::Timer::timeout $_[0];
53
54 Coro::schedule;
55
56 return $self->[2];
57 }
58
59 sub wake {
60 my $self = shift;
61 $self->[2] = 1;
62 $self->[1]->ready;
63 }
64
65 sub DESTROY {
66 my $self = shift;
67 $self->[0]{conns}++;
68 $self->[0]->wake_next;
69 }
70
71 package conn;
72
73 our %blockuri;
74 our $blockref;
75
76 sub read_blockuri {
77 local *B;
78 my %group;
79 %blockuri = ();
80 if (open B, "<blockuri") {
81 while (<B>) {
82 chomp;
83 if (/^group\s+(\S+)\s+(.*)/i) {
84 $group{$1} = [split /\s+/, $2];
85 } elsif (/^!([^\t]*)\t\s*(.*)/) {
86 my $g = $1;
87 my @r;
88 for (split /\s+/, $2) {
89 push @r, $group{$_} ? @{$group{$_}} : $_;
90 }
91 print "not($g) => (@r)\n";
92 push @{$blockuri{$_}}, $g for @r;
93 push @blockuri, [qr/$g/i, \@r];
94 } elsif (/\S/) {
95 print "blockuri: unparsable line: $_\n";
96 }
97 }
98 for (keys %blockuri) {
99 my $qr = join ")|(?:", @{$blockuri{$_}};
100 $blockuri{$_} = qr{(?:$qr)}i;
101 }
102 } else {
103 print "no blockuri\n";
104 }
105 }
106
107 sub read_blockref {
108 local *B;
109 my @blockref;
110 if (open B, "<blockreferer") {
111 while (<B>) {
112 chomp;
113 if (/^([^\t]*)\t\s*(.*)/) {
114 push @blockref, $1;
115 } elsif (/\S/) {
116 print "blockref: unparsable line: $_\n";
117 }
118 }
119 $blockref = join ")|(?:", @blockref;
120 $blockref = qr{^(?:$blockref)}i;
121 } else {
122 print "no blockref\n";
123 $blockref = qr{^x^};
124 }
125 }
126
127 read_blockuri;
128 read_blockref;
129
130 use Tie::Cache;
131 tie %whois_cache, Tie::Cache::, 32;
132
133 sub access_check {
134 my $self = shift;
135
136 my $ref = $self->{h}{referer};
137 my $uri = $self->{path};
138 my %disallow;
139
140 $self->err_block_referer
141 if $self->{h}{referer} =~ $blockref;
142
143 my $whois = $whois_cache{$self->{remote_addr}}
144 ||= netgeo::ip_request($self->{remote_addr});
145
146 my $country = "XX";
147
148 if ($whois =~ /^\*cy: (\S+)/m) {
149 $country = uc $1;
150 } else {
151 $self->slog(9, "no country($whois)");
152 }
153
154 $self->{country} = $country;
155
156 $self->err_block_country($whois)
157 if $self->{path} =~ $blockuri{$country};
158 }
159
160 1;