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Allow modulelauncher_subpattern factoid field to substitute IRC lines into shell commands via regex substitution

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Pragmatic Software 2010-05-13 22:12:04 +00:00
parent b03a7eb18c
commit 33a32f29a3
1 changed files with 55 additions and 3 deletions
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58
PBot/FactoidModuleLauncher.pm
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@ -13,6 +13,7 @@ $VERSION = $PBot::PBot::VERSION;
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) {} };
@ -54,9 +55,60 @@ sub execute_module {
$arguments =~ s/\$nick/$nick/g;
$arguments = quotemeta($arguments);
$arguments =~ s/\\\s+/ /g;
$arguments =~ s/\-/-/g;
if(exists $self->{pbot}->factoids->factoids->{$keyword}{modulelauncher_subpattern}) {
if($self->{pbot}->factoids->factoids->{$keyword}{modulelauncher_subpattern} =~ m/s\/(.*?)\/(.*)\//) {
my ($p1, $p2) = ($1, $2);
$arguments =~ s/$p1/$p2/;
my $a = $1;
my $b = $2;
my $c = $3;
my $d = $4;
my $e = $5;
my $f = $6;
my $g = $7;
my $h = $8;
my $i = $9;
my $before = $`;
my $after = $';
$arguments =~ s/\$1/$a/g;
$arguments =~ s/\$2/$b/g;
$arguments =~ s/\$3/$c/g;
$arguments =~ s/\$4/$d/g;
$arguments =~ s/\$5/$e/g;
$arguments =~ s/\$6/$f/g;
$arguments =~ s/\$7/$g/g;
$arguments =~ s/\$8/$h/g;
$arguments =~ s/\$9/$i/g;
$arguments =~ s/\$`/$before/g;
$arguments =~ s/\$'/$after/g;
} else {
$self->{pbot}->logger->log("Invalid module substitution pattern [$self->{pbot}->factoids->factoids->{$keyword}{modulelauncher_subpattern}], ignoring.\n");
}
}
my $unquoted_args = $arguments;
$arguments = "";
while($unquoted_args =~ s/(.*?)('.*)//) {
my $prefix = $1;
my $remainder = $2;
$arguments .= quotemeta($prefix);
my ($e, $r) = extract_delimited($remainder, "'");
if(not defined $e) {
$arguments .= quotemeta($r);
} else {
$arguments .= $e;
$unquoted_args = $r;
}
}
$arguments .= $unquoted_args;
$arguments =~ s/\\\s/ /g;
$arguments =~ s/\\-/-/g;
my $pid = fork;
if(not defined $pid) {