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|
#!/usr/bin/perl
=info
install:
cpan JSON JSON::XS
touch list_full list
chmod a+rw list_full list
freebsd:
www/fcgiwrap www/nginx
rc.conf.local:
nginx_enable="YES"
fcgiwrap_enable="YES"
fcgiwrap_user="www"
nginx:
location / {
index index.html;
add_header Access-Control-Allow-Origin *;
}
location /announce {
fastcgi_pass unix:/var/run/fcgiwrap/fcgiwrap.sock;
fastcgi_param SCRIPT_FILENAME $document_root/master.cgi;
include fastcgi_params;
}
apache .htaccess:
AddHandler cgi-script .cgi
DirectoryIndex index.html
Options +ExecCGI +FollowSymLinks
Order allow,deny
<FilesMatch (\.(html?|cgi|fcgi|css|js|gif|png|jpe?g|ico)|(^)|\w+)$>
Allow from all
</FilesMatch>
Deny from all
<ifModule mod_headers.c>
Header set Access-Control-Allow-Origin: *
</ifModule>
=cut
use strict;
no strict qw(refs);
use warnings "NONFATAL" => "all";
no warnings qw(uninitialized);
use utf8;
use Socket;
use Time::HiRes qw(time sleep);
use IO::Socket::INET;
use JSON;
use Net::Ping;
our $root_path;
($ENV{'SCRIPT_FILENAME'} || $0) =~ m|^(.+)[/\\].+?$|; #v0w
$root_path = $1 . '/' if $1;
$root_path =~ s|\\|/|g;
our %config = (
#debug => 1,
list_full => $root_path . 'list_full',
list_pub => $root_path . 'list',
time_purge => 86400 * 30,
time_alive => 650,
source_check => 1,
ping_timeout => 3,
ping => 1,
mineping => 1,
pingable => 1,
trusted => [qw( 176.9.122.10 )], #masterserver self ip - if server on same ip with masterserver doesnt announced
#blacklist => [], # [qw(2.3.4.5 4.5.6.7 8.9.0.1), '1.2.3.4', qr/^10\.20\.30\./, ], # list, or quoted, ips, or regex
);
do($root_path . 'config.pl');
our $ping = Net::Ping->new("udp", $config{ping_timeout});
$ping->hires();
sub get_params_one(@) {
local %_ = %{ref $_[0] eq 'HASH' ? shift : {}};
for (@_) {
tr/+/ /, s/%([a-f\d]{2})/pack 'H*', $1/gei for my ($k, $v) = /^([^=]+=?)=(.+)$/ ? ($1, $2) : (/^([^=]*)=?$/, /^-/);
$_{$k} = $v;
}
wantarray ? %_ : \%_;
}
sub get_params(;$$) { #v7
my ($string, $delim) = @_;
$delim ||= '&';
read(STDIN, local $_ = '', $ENV{'CONTENT_LENGTH'}) if !$string and $ENV{'CONTENT_LENGTH'};
local %_ =
$string
? get_params_one split $delim, $string
: (get_params_one(@ARGV), map { get_params_one split $delim, $_ } split(/;\s*/, $ENV{'HTTP_COOKIE'}), $ENV{'QUERY_STRING'}, $_);
wantarray ? %_ : \%_;
}
sub get_params_utf8(;$$) {
local $_ = &get_params;
utf8::decode $_ for %$_;
wantarray ? %$_ : $_;
}
sub file_rewrite(;$@) {
local $_ = shift;
return unless open my $fh, '>', $_;
print $fh @_;
}
sub file_read ($) {
open my $f, '<', $_[0] or return;
local $/ = undef;
my $ret = <$f>;
close $f;
return \$ret;
}
sub read_json {
my $ret = {};
eval { $ret = JSON->new->utf8->relaxed(1)->decode(${ref $_[0] ? $_[0] : file_read($_[0]) or \''} || '{}'); }; #'mc
warn "json error [$@] on [", ${ref $_[0] ? $_[0] : \$_[0]}, "]" if $@;
$ret;
}
sub printu (@) {
for (@_) {
print($_), next unless utf8::is_utf8($_);
my $s = $_;
utf8::encode($s);
print($s);
}
}
sub name_to_ip_noc($) {
my ($name) = @_;
unless ($name =~ /^\d+\.\d+\.\d+\.\d+$/) {
local $_ = (gethostbyname($name))[4];
return ($name, 1) unless length($_) == 4;
$name = inet_ntoa($_);
}
return $name;
}
sub float {
return ($_[0] < 8 and $_[0] - int($_[0]))
? sprintf('%.' . ($_[0] < 1 ? 3 : ($_[0] < 3 ? 2 : 1)) . 'f', $_[0])
: int($_[0]);
}
sub mineping ($$) {
my ($addr, $port) = @_;
warn "mineping($addr, $port)" if $config{debug};
my $data;
my $time = time;
eval {
my $socket = IO::Socket::INET->new(
'PeerAddr' => $addr,
'PeerPort' => $port,
'Proto' => 'udp',
'Timeout' => $config{ping_timeout},
);
$socket->send("\x4f\x45\x74\x03\x00\x00\x00\x01");
local $SIG{ALRM} = sub { die "alarm time out"; };
alarm $config{ping_timeout};
$socket->recv($data, POSIX::BUFSIZ) or die "recv: $!";
alarm 0;
1; # return value from eval on normalcy
} or return 0;
return 0 unless length $data;
$time = float(time - $time);
warn "recvd: ", length $data, " [$time]" if $config{debug};
return $time;
}
sub request (;$) {
my ($r) = @_;
$r ||= \%ENV;
my $param = get_params_utf8;
my $after = sub {
if ($param->{json}) {
my $j = {};
eval { $j = JSON->new->decode($param->{json}) || {} };
$param->{$_} = $j->{$_} for keys %$j;
delete $param->{json};
}
if (%$param) {
s/^false$// for values %$param;
$param->{ip} = $r->{REMOTE_ADDR};
for (@{$config{blacklist}}) {
return if $param->{ip} ~~ $_;
}
$param->{address} ||= $param->{ip};
if ($config{source_check} and name_to_ip_noc($param->{address}) ne $param->{ip} and !($param->{ip} ~~ $config{trusted})) {
warn("bad address [$param->{address}] ne [$param->{ip}]") if $config{debug};
return;
}
$param->{port} ||= 30000;
$param->{key} = "$param->{ip}:$param->{port}";
$param->{off} = time if $param->{action} ~~ 'delete';
if ($config{ping} and $param->{action} ne 'delete') {
if ($config{mineping}) {
$param->{ping} = mineping($param->{ip}, $param->{port});
} else {
$ping->port_number($param->{port});
$ping->service_check(0);
my ($pingret, $duration, $ip) = $ping->ping($param->{address});
if ($ip ne $param->{ip} and !($param->{ip} ~~ $config{trusted})) {
warn "strange ping ip [$ip] != [$param->{ip}]" if $config{debug};
return if $config{source_check} and !($param->{ip} ~~ $config{trusted});
}
$param->{ping} = $duration if $pingret;
warn " PING t=$config{ping_timeout}, $param->{address}:$param->{port} = ( $pingret, $duration, $ip )" if $config{debug};
}
}
my $list = read_json($config{list_full}) || {};
warn "readed[$config{list_full}] list size=", scalar @{$list->{list}};
my $listk = {map { $_->{key} => $_ } @{$list->{list}}};
my $old = $listk->{$param->{key}};
$param->{time} = $old->{time} if $param->{off};
$param->{time} ||= int time;
$param->{start} = $param->{action} ~~ 'start' ? $param->{time} : $old->{start} || $param->{time};
delete $param->{start} if $param->{off};
$param->{first} ||= $old->{first} || $old->{time} || $param->{time};
$param->{clients_top} = $old->{clients_top} if $old->{clients_top} > $param->{clients};
$param->{clients_top} ||= $param->{clients} || 0;
delete $param->{action};
$listk->{$param->{key}} = $param;
$list->{list} = [grep { $_->{time} > time - $config{time_purge} } values %$listk];
file_rewrite($config{list_full}, JSON->new->encode($list));
warn "writed[$config{list_full}] list size=", scalar @{$list->{list}};
$list->{list} = [
sort { $b->{clients} <=> $a->{clients} || $a->{start} <=> $b->{start} }
grep { $_->{time} > time - $config{time_alive} and !$_->{off} and (!$config{ping} or !$config{pingable} or $_->{ping}) }
@{$list->{list}}
];
file_rewrite($config{list_pub}, JSON->new->encode($list));
warn "writed[$config{list_pub}] list size=", scalar @{$list->{list}};
}
};
return [200, ["Content-type", "application/json"], [JSON->new->encode({})]], $after;
}
sub request_cgi {
my ($p, $after) = request(@_);
shift @$p;
printu join "\n", map { join ': ', @$_ } shift @$p;
printu "\n\n";
printu join '', map { join '', @$_ } @$p;
if (fork) {
unless ($config{debug}) {
close STDOUT;
close STDERR;
}
} else {
$after->() if ref $after ~~ 'CODE';
}
}
request_cgi() unless caller;
|
