pbot/PBot/StdinReader.pm

76 lines
2.3 KiB
Perl

# File: StdinReader.pm
#
# Purpose: Reads input from STDIN.
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
package PBot::StdinReader;
use parent 'PBot::Class';
use PBot::Imports;
use POSIX qw(tcgetpgrp getpgrp); # to check whether process is in background or foreground
use Encode;
sub initialize {
my ($self, %conf) = @_;
# create stdin bot-admin account for bot
my $user = $self->{pbot}->{users}->find_user('.*', '*!stdin@pbot');
if (not defined $user or not $self->{pbot}->{capabilities}->userhas($user, 'botowner')) {
my $botnick = $self->{pbot}->{registry}->get_value('irc', 'botnick');
$self->{pbot}->{logger}->log("Adding stdin botowner *!stdin\@pbot...\n");
$self->{pbot}->{users}->add_user($botnick, '.*', '*!stdin@pbot', 'botowner', undef, 1);
$self->{pbot}->{users}->login($botnick, "$botnick!stdin\@pbot", undef);
$self->{pbot}->{users}->save;
}
if (not $self->{pbot}->{registry}->get_value('general', 'daemon')) {
# TTY is used to check whether process is in background or foreground
open TTY, "</dev/tty" or die $!;
$self->{tty_fd} = fileno(TTY);
# add STDIN to select handler
$self->{pbot}->{select_handler}->add_reader(\*STDIN, sub { $self->stdin_reader(@_) });
} else {
$self->{pbot}->{logger}->log("Starting in daemon mode.\n");
# TODO: close STDIN, etc?
}
}
sub stdin_reader {
my ($self, $input) = @_;
# decode STDIN input from utf8
$input = decode('UTF-8', $input);
chomp $input;
# make sure we're in the foreground first
$self->{foreground} = (tcgetpgrp($self->{tty_fd}) == getpgrp()) ? 1 : 0;
return if not $self->{foreground};
$self->{pbot}->{logger}->log("---------------------------------------------\n");
$self->{pbot}->{logger}->log("Got STDIN: $input\n");
my ($from, $text);
my $botnick = $self->{pbot}->{registry}->get_value('irc', 'botnick');
if ($input =~ m/^~([^ ]+)\s+(.*)/) {
$from = $1;
$text = "$botnick $2";
} else {
$from = 'stdin@pbot';
$text = "$botnick $input";
}
return $self->{pbot}->{interpreter}->process_line($from, $botnick, "stdin", "pbot", $text);
}
1;