mirror of
https://github.com/pragma-/pbot.git
synced 2024-11-02 10:09:32 +01:00
192 lines
6.6 KiB
Perl
192 lines
6.6 KiB
Perl
# File: FactoidModuleLauncher.pm
|
|
# Author: pragma_
|
|
#
|
|
# Purpose: Handles forking and execution of module processes
|
|
|
|
package PBot::FactoidModuleLauncher;
|
|
|
|
use warnings;
|
|
use strict;
|
|
|
|
use POSIX qw(WNOHANG); # for children process reaping
|
|
use Carp ();
|
|
use Text::Balanced qw(extract_delimited);
|
|
|
|
# automatically reap children processes in background
|
|
$SIG{CHLD} = sub { while(waitpid(-1, WNOHANG) > 0) {} };
|
|
|
|
sub new {
|
|
if(ref($_[1]) eq 'HASH') {
|
|
Carp::croak("Options to Commands should be key/value pairs, not hash reference");
|
|
}
|
|
|
|
my ($class, %conf) = @_;
|
|
|
|
my $self = bless {}, $class;
|
|
$self->initialize(%conf);
|
|
return $self;
|
|
}
|
|
|
|
sub initialize {
|
|
my ($self, %conf) = @_;
|
|
|
|
my $pbot = delete $conf{pbot};
|
|
if(not defined $pbot) {
|
|
Carp::croak("Missing pbot reference to PBot::FactoidModuleLauncher");
|
|
}
|
|
|
|
$self->{pbot} = $pbot;
|
|
}
|
|
|
|
sub execute_module {
|
|
my ($self, $from, $tonick, $nick, $user, $host, $command, $keyword, $arguments, $preserve_whitespace) = @_;
|
|
my $text;
|
|
|
|
$arguments = "" if not defined $arguments;
|
|
|
|
my ($channel, $trigger) = $self->{pbot}->{factoids}->find_factoid($from, $keyword);
|
|
|
|
if(not defined $trigger) {
|
|
$self->{pbot}->{interpreter}->handle_result($from, $nick, $user, $host, $command, "$keyword $arguments", "/msg $nick Failed to find module for '$keyword' in channel $from\n", 1, 0);
|
|
return;
|
|
}
|
|
|
|
my $module = $self->{pbot}->{factoids}->{factoids}->hash->{$channel}->{$trigger}->{action};
|
|
my $module_dir = $self->{pbot}->{registry}->get_value('general', 'module_dir');
|
|
|
|
$self->{pbot}->{logger}->log("(" . (defined $from ? $from : "(undef)") . "): $nick!$user\@$host: Executing module $module $arguments\n");
|
|
|
|
$arguments =~ s/\$nick/$nick/g;
|
|
$arguments =~ s/\$channel/$from/g;
|
|
|
|
$arguments = quotemeta($arguments);
|
|
|
|
if(exists $self->{pbot}->{factoids}->{factoids}->hash->{$channel}->{$trigger}->{unquote_spaces}) {
|
|
$arguments =~ s/\\ / /g;
|
|
}
|
|
|
|
if(exists $self->{pbot}->{factoids}->{factoids}->hash->{$channel}->{$trigger}->{modulelauncher_subpattern}) {
|
|
if($self->{pbot}->{factoids}->{factoids}->hash->{$channel}->{$trigger}->{modulelauncher_subpattern} =~ m/s\/(.*?)\/(.*)\/(.*)/) {
|
|
my ($p1, $p2, $p3) = ($1, $2, $3);
|
|
my ($a, $b, $c, $d, $e, $f, $g, $h, $i, $before, $after);
|
|
if($p3 eq 'g') {
|
|
$arguments =~ s/$p1/$p2/g;
|
|
($a, $b, $c, $d, $e, $f, $g, $h, $i, $before, $after) = ($1, $2, $3, $4, $5, $6, $7, $8, $9, $`, $');
|
|
} else {
|
|
$arguments =~ s/$p1/$p2/;
|
|
($a, $b, $c, $d, $e, $f, $g, $h, $i, $before, $after) = ($1, $2, $3, $4, $5, $6, $7, $8, $9, $`, $');
|
|
}
|
|
$arguments =~ s/\$1/$a/g if defined $a;
|
|
$arguments =~ s/\$2/$b/g if defined $b;
|
|
$arguments =~ s/\$3/$c/g if defined $c;
|
|
$arguments =~ s/\$4/$d/g if defined $d;
|
|
$arguments =~ s/\$5/$e/g if defined $e;
|
|
$arguments =~ s/\$6/$f/g if defined $f;
|
|
$arguments =~ s/\$7/$g/g if defined $g;
|
|
$arguments =~ s/\$8/$h/g if defined $h;
|
|
$arguments =~ s/\$9/$i/g if defined $i;
|
|
$arguments =~ s/\$`/$before/g if defined $before;
|
|
$arguments =~ s/\$'/$after/g if defined $after;
|
|
#$self->{pbot}->{logger}->log("arguments subpattern: $arguments\n");
|
|
} else {
|
|
$self->{pbot}->{logger}->log("Invalid module substitution pattern [" . $self->{pbot}->{factoids}->{factoids}->hash->{$channel}->{$trigger}->{modulelauncher_subpattern}. "], ignoring.\n");
|
|
}
|
|
}
|
|
|
|
my $argsbuf = $arguments;
|
|
$arguments = "";
|
|
|
|
my $lr;
|
|
while(1) {
|
|
my ($e, $r, $p) = extract_delimited($argsbuf, "'", "[^']+");
|
|
|
|
$lr = $r if not defined $lr;
|
|
|
|
if(defined $e) {
|
|
$e =~ s/\\([^\w])/$1/g;
|
|
$e =~ s/'/'\\''/g;
|
|
$e =~ s/^'\\''/'/;
|
|
$e =~ s/'\\''$/'/;
|
|
$arguments .= $p;
|
|
$arguments .= $e;
|
|
$lr = $r;
|
|
} else {
|
|
$arguments .= $lr;
|
|
last;
|
|
}
|
|
}
|
|
|
|
pipe(my $reader, my $writer);
|
|
my $pid = fork;
|
|
|
|
if(not defined $pid) {
|
|
$self->{pbot}->{logger}->log("Could not fork module: $!\n");
|
|
close $reader;
|
|
close $writer;
|
|
$self->{pbot}->{interpreter}->handle_result($from, $nick, $user, $host, $command, "$keyword $arguments", "/me groans loudly.\n", 1, 0);
|
|
return;
|
|
}
|
|
|
|
# FIXME -- add check to ensure $module exists
|
|
|
|
if($pid == 0) { # start child block
|
|
close $reader;
|
|
|
|
# don't quit the IRC client when the child dies
|
|
no warnings;
|
|
*PBot::IRC::Connection::DESTROY = sub { return; };
|
|
use warnings;
|
|
|
|
if(not chdir $module_dir) {
|
|
$self->{pbot}->{logger}->log("Could not chdir to '$module_dir': $!\n");
|
|
Carp::croak("Could not chdir to '$module_dir': $!");
|
|
}
|
|
|
|
# $self->{pbot}->{logger}->log("module arguments: [$arguments]\n");
|
|
|
|
$text = `$module_dir/$module $arguments`;
|
|
|
|
if(defined $tonick) {
|
|
$self->{pbot}->{logger}->log("($from): $nick!$user\@$host) sent to $tonick\n");
|
|
if(defined $text && length $text > 0) {
|
|
# get rid of original caller's nick
|
|
$text =~ s/^\/([^ ]+) \Q$nick\E:\s+/\/$1 /;
|
|
$text =~ s/^\Q$nick\E:\s+//;
|
|
|
|
print $writer "$from $tonick: $text\n";
|
|
$self->{pbot}->{interpreter}->handle_result($from, $nick, $user, $host, $command, "$keyword $arguments", "$tonick: $text", 0, $preserve_whitespace);
|
|
}
|
|
exit 0;
|
|
} else {
|
|
if(exists $self->{pbot}->{factoids}->{factoids}->hash->{$channel}->{$trigger}->{add_nick} and $self->{pbot}->{factoids}->{factoids}->hash->{$channel}->{$trigger}->{add_nick} != 0) {
|
|
print $writer "$from $nick: $text";
|
|
$self->{pbot}->{interpreter}->handle_result($from, $nick, $user, $host, $command, "$keyword $arguments", "$nick: $text", 0, $preserve_whitespace);
|
|
} else {
|
|
print $writer "$from $text";
|
|
$self->{pbot}->{interpreter}->handle_result($from, $nick, $user, $host, $command, "$keyword $arguments", $text, 0, $preserve_whitespace);
|
|
}
|
|
exit 0;
|
|
}
|
|
|
|
# er, didn't execute the module?
|
|
print $writer "$from /me moans loudly.\n";
|
|
$self->{pbot}->{interpreter}->handle_result($from, $nick, $user, $host, $command, "$keyword $arguments", "/me moans loudly.", 0, 0);
|
|
exit 0;
|
|
} # end child block
|
|
else {
|
|
close $writer;
|
|
$self->{pbot}->{select_handler}->add_reader($reader, sub { $self->module_pipe_reader(@_) });
|
|
return "";
|
|
}
|
|
}
|
|
|
|
sub module_pipe_reader {
|
|
my ($self, $buf) = @_;
|
|
my ($channel, $text) = split / /, $buf, 2;
|
|
return if not defined $text or not length $text;
|
|
$text = $self->{pbot}->{interpreter}->truncate_result($channel, $self->{pbot}->{registry}->get_value('irc', 'botnick'), 'undef', $text, $text, 0);
|
|
$self->{pbot}->{antiflood}->check_flood($channel, $self->{pbot}->{registry}->get_value('irc', 'botnick'), $self->{pbot}->{registry}->get_value('irc', 'username'), 'localhost', $text, 0, 0, 0);
|
|
}
|
|
|
|
1;
|