ただ作ってみたくなったので実装してみました。発言されたURLのタイトルとContent-Typeを返すボットです。
http://github.com/punytan/mobijiro
名前はアレを真似てつけました。
レスポンスの文字コード
AnyEvent::HTTP::http_get で取得すると、 UTF-8 だったり、 EUC-JP であったりと、 body の文字コードが何か検討がつかない。なので、 HTTP::Message の decoded_content を使うことでそのあたりの処理を楽にしています。その役割を担うのが Tatsumaki::HTTPClient。
ソース
use strict;
use warnings;
use feature qw/say/;
use Data::Dumper;
use Encode;
use Data::Validate::URI qw/is_uri/;
use AnyEvent;
use AnyEvent::HTTP;
use AnyEvent::IRC;
use AnyEvent::IRC::Connection;
use AnyEvent::IRC::Client;
use Tatsumaki::HTTPClient;
use Web::Scraper;
our $CONFIG = {
ch => '#',
server => 'irc.freenode.net',
port => 6667,
info => {
nick => '',
user => '',
real => 'the bot',
},
};
#-----
our $CONNECTION = 0;
our $LT = scalar localtime;
my @conf = ( $CONFIG->{server}, $CONFIG->{port}, $CONFIG->{info} );
my $cv = AnyEvent->condvar;
my $ua = Tatsumaki::HTTPClient->new;
my $cl;
my $ltw; $ltw = AnyEvent->timer(
after => 1,
interval => 1,
cb => sub { $LT = scalar localtime; },
);
my $t; $t = AnyEvent->timer (after => 5, interval=> 30, cb => sub {
say "[ $LT ] connection status : $CONNECTION";
connect_to_server() unless $CONNECTION;
});
my $scraper = scraper {
process '/html/head/title', 'title' => 'TEXT';
};
$cv->recv;
sub connect_to_server {
say "[ $LT ] start connection";
$cl = AnyEvent::IRC::Client->new;
$cl->reg_cb(
'connect' => sub {
my ( $cl, $err ) = @_;
if ( defined $err ) {
print "[ $LT ] Connect ERROR! => $err\n";
$CONNECTION = 0;
$cv->broadcast;
}
else {
print "[ $LT ] Connected! Yay!\n";
$CONNECTION = 1;
}
},
registered => sub {
my ($self) = @_;
print "[ $LT ] registered!\n";
$cl->enable_ping (60);
$cl->send_srv("JOIN", $CONFIG->{ch});
$cl->send_chan($CONFIG->{ch}, "NOTICE", $CONFIG->{ch}, "hi, i'm a bot!");
},
irc_001 => sub {
say "[ $LT ] irc_001";
},
irc_privmsg => sub {
my ($self, $msg) = @_;
my $message = decode_utf8 $msg->{params}[1];
process_msg($message);
},
disconnect => sub {
$CONNECTION = 0;
print "[ $LT ] Oh, got a disconnect: $_[1], exiting...\n";
}
);
$cl->connect(@conf);
}
sub process_msg {
my $msg = shift;
my @url_list = $msg =~ m{(http://[\S]+)}g;
for my $url (@url_list) {
say "[ $LT ] $url";
if (is_uri($url)) {
$ua->get($url, timeout => 3, sub {
my $res = shift;
my $info = {};
my $decoded_content = $res->decoded_content;
$info->{content_type} = $res->headers->content_type;
if ($res->is_success) {
my $data = $scraper->scrape($res->decoded_content);
$info->{title} = $data->{title};
} else {
$info->{title} = 'NO TITLE';
}
my $msg = encode_utf8(" $info->{title} [ Content-Type: $info->{content_type} ] ");
$cl->send_chan($CONFIG->{ch}, "NOTICE", $CONFIG->{ch}, "$msg");
}
);
}
else {
$cl->send_chan($CONFIG->{ch}, "NOTICE", $CONFIG->{ch}, "$url is not valid URL");
}
}
}
__END__
