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pbot/PBot/Factoids.pm
2010-05-08 23:36:56 +00:00

543 lines
16 KiB
Perl

# File: Factoids.pm
# Author: pragma_
#
# Purpose: Provides functionality for factoids and a type of external module execution.
package PBot::Factoids;
use warnings;
use strict;
use vars qw($VERSION);
$VERSION = $PBot::PBot::VERSION;
use HTML::Entities;
use Time::HiRes qw(gettimeofday);
use Text::Levenshtein qw(fastdistance);
use Carp ();
use PBot::FactoidModuleLauncher;
sub new {
if(ref($_[1]) eq 'HASH') {
Carp::croak("Options to Factoids 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 $filename = delete $conf{filename};
my $export_path = delete $conf{export_path};
my $export_site = delete $conf{export_site};
my $pbot = delete $conf{pbot};
if(not defined $pbot) {
Carp::croak("Missing pbot reference to Factoids");
}
$self->{factoids} = {};
$self->{filename} = $filename;
$self->{export_path} = $export_path;
$self->{export_site} = $export_site;
$self->{pbot} = $pbot;
$self->{factoidmodulelauncher} = PBot::FactoidModuleLauncher->new(pbot => $pbot);
}
sub load_factoids_add {
my ($self, $factoid, $i, $filename) = @_;
if(defined $factoid) {
my $trigger = delete $factoid->{trigger};
if(not defined $trigger) {
Carp::croak "Missing trigger around line $i of $filename\n";
}
if(exists $self->factoids->{$trigger}) {
Carp::croak "Duplicate factoid '$trigger' found in $filename around line $i\n";
}
my $type = delete $factoid->{type};
if(not defined $type) {
Carp::croak "Missing type for factoid '$trigger' around line $i of $filename\n";
}
$type = lc $type;
my $action = delete $factoid->{action};
if(not defined $action) {
Carp::croak "Missing action for factoid '$trigger' around line $i of $filename\n";
}
$self->factoids->{$trigger}{$type} = $action;
foreach my $key (keys %$factoid) {
$self->factoids->{$trigger}{$key} = $factoid->{$key};
}
}
}
sub load_factoids {
my $self = shift;
my $filename;
if(@_) { $filename = shift; } else { $filename = $self->filename; }
if(not defined $filename) {
Carp::carp "No factoids path specified -- skipping loading of factoids";
return;
}
$self->{pbot}->logger->log("Loading factoids from $filename ...\n");
open(FILE, "< $filename") or Carp::croak "Couldn't open $filename: $!\n";
my $i = 0;
my ($text, $regex, $modules, $factoid);
foreach my $line (<FILE>) {
$i++;
$line =~ s/^\s+//;
$line =~ s/\s+$//;
if(not $line) {
print "blank line at $i\n";
next;
}
if($line eq '-') {
# first store the old factoid, if there is one
if($factoid) {
my $type = lc $factoid->{type};
if($type eq "text") {
$text++;
} elsif($type eq "regex") {
$regex++;
} elsif($type eq "module") {
$modules++;
} else {
Carp::croak "Unknown type '$type' in $filename around line $i\n";
}
$self->load_factoids_add($factoid, $i, $filename);
}
# start a new factoid
$factoid = {};
next;
}
my ($key, $value) = split /\:/, $line, 2;
$key =~ s/^\s+//;
$key =~ s/\s+$//;
$value =~ s/^\s+//;
$value =~ s/\s+$//;
$factoid->{$key} = $value;
}
close(FILE);
if($factoid) {
my $type = lc $factoid->{type};
if($type eq "text") {
$text++;
} elsif($type eq "regex") {
$regex++;
} elsif($type eq "module") {
$modules++;
} else {
Carp::croak "Unknown type '$type' in $filename around line $i\n";
}
$self->load_factoids_add($factoid, $i, $filename);
}
$self->{pbot}->logger->log(" " . ($text + $regex + $modules) . " factoids loaded ($text text, $regex regexs, $modules modules).\n");
$self->{pbot}->logger->log("Done.\n");
}
sub save_factoids {
my $self = shift;
my $filename;
if(@_) { $filename = shift; } else { $filename = $self->filename; }
if(not defined $filename) {
Carp::carp "No factoids path specified -- skipping saving of factoids\n";
return;
}
open(FILE, "> $filename") or die "Couldn't open $filename: $!\n";
foreach my $trigger (sort keys %{ $self->factoids }) {
next if $trigger eq "version";
print FILE "-\n";
print FILE "trigger: $trigger\n";
my $type;
if(defined ${ $self->factoids }{$trigger}{module}) {
$type = 'module';
} elsif(defined ${ $self->factoids }{$trigger}{text}) {
$type = 'text';
} elsif(defined ${ $self->factoids }{$trigger}{regex}) {
$type = 'regex';
} else {
$self->{pbot}->logger->log("WARNING: save_factoids: skipping unknown trigger type for $trigger\n");
#todo -- /msg logged in admins greater than level X
next;
}
print FILE "type: $type\n";
print FILE "action: ${ $self->factoids }{$trigger}{$type}\n";
foreach my $key (sort keys %{ ${ $self->factoids }{$trigger} }) {
next if $key eq 'text' or $key eq 'module' or $key eq 'regex';
print FILE "$key: ${ $self->factoids }{$trigger}{$key}\n";
}
}
close(FILE);
$self->export_factoids();
}
sub add_factoid {
my $self = shift;
my ($type, $channel, $owner, $command, $text) = @_;
$type = lc $type;
$channel = lc $channel;
$command = lc $command;
${ $self->factoids }{$command}{enabled} = 1;
${ $self->factoids }{$command}{$type} = $text;
${ $self->factoids }{$command}{owner} = $owner;
${ $self->factoids }{$command}{channel} = $channel;
${ $self->factoids }{$command}{created_on} = gettimeofday;
${ $self->factoids }{$command}{ref_count} = 0;
${ $self->factoids }{$command}{ref_user} = "nobody";
}
sub export_factoids {
my $self = shift;
my $filename;
if(@_) { $filename = shift; } else { $filename = $self->export_path; }
return if not defined $filename;
my $text;
open FILE, "> $filename" or return "Could not open export path.";
my $time = localtime;
print FILE "<html><body><i>Generated at $time</i><hr><h3>Candide's factoids:</h3><br>\n";
my $i = 0;
print FILE "<table border=\"0\">\n";
foreach my $command (sort keys %{ $self->factoids }) {
if(exists ${ $self->factoids }{$command}{text}) {
$i++;
if($i % 2) {
print FILE "<tr bgcolor=\"#dddddd\">\n";
} else {
print FILE "<tr>\n";
}
$text = "<td><b>$command</b> is " . encode_entities(${ $self->factoids }{$command}{text}) . "</td>\n";
print FILE $text;
my ($seconds, $minutes, $hours, $day_of_month, $month, $year, $wday, $yday, $isdst) = localtime(${ $self->factoids }{$command}{created_on});
my $t = sprintf("%02d:%02d:%02d-%04d/%02d/%02d\n",
$hours, $minutes, $seconds, $year+1900, $month+1, $day_of_month);
print FILE "<td align=\"right\">- submitted by<br> ${ $self->factoids }{$command}{owner}<br><i>$t</i>\n";
print FILE "</td></tr>\n";
}
}
print FILE "</table>\n";
print FILE "<hr>$i factoids memorized.<br>";
close(FILE);
#$self->{pbot}->logger->log("$i factoids exported to path: " . $self->export_path . ", site: " . $self->export_site . "\n");
return "$i factoids exported to " . $self->export_site;
}
sub find_factoid {
my ($self, $keyword, $arguments) = @_;
my $string = "$keyword" . (defined $arguments ? " $arguments" : "");
my $result = eval {
foreach my $command (keys %{ $self->factoids }) {
if(exists $self->factoids->{$command}{regex}) {
if($string =~ m/$command/i) {
return $command;
}
} else {
my $command_quoted = quotemeta($command);
if($keyword =~ m/^$command_quoted$/i) {
return $command;
}
}
}
return undef;
};
if($@) {
$self->{pbot}->logger->log("find_factoid: bad regex: $@\n");
return undef;
}
return $result;
}
sub levenshtein_matches {
my ($self, $keyword) = @_;
my $comma = '';
my $result = "I don't know about '$keyword'; did you mean ";
foreach my $command (sort keys %{ $self->factoids }) {
next if exists $self->factoids->{$command}{regex};
my $distance = fastdistance($keyword, $command);
# print "Distance $distance for $keyword (" , (length $keyword) , ") vs $command (" , length $command , ")\n";
my $length = (length($keyword) > length($command)) ? length $keyword : length $command;
# print "Percentage: ", $distance / $length, "\n";
if($distance / $length < 0.50) {
$result .= $comma . $command;
$comma = ", ";
}
}
$result =~ s/(.*), /$1 or /;
$result =~ s/$/?/;
$result = undef if $comma eq '';
return $result;
}
sub interpreter {
my $self = shift;
my ($from, $nick, $user, $host, $count, $keyword, $arguments, $tonick) = @_;
my $result;
my $pbot = $self->{pbot};
my $string = "$keyword" . (defined $arguments ? " $arguments" : "");
my $lev = lc $keyword;
$keyword = $self->find_factoid($keyword, $arguments);
return $self->levenshtein_matches($lev) if not defined $keyword;
my $type;
$type = 'text' if exists $self->factoids->{$keyword}{text};
$type = 'regex' if exists $self->factoids->{$keyword}{regex};
$type = 'module' if exists $self->factoids->{$keyword}{module};
# Check if it's an alias
my $command;
if($self->factoids->{$keyword}{$type} =~ /^\/call\s+(.*)$/) {
if(defined $arguments) {
$command = "$1 $arguments";
} else {
$command = $1;
}
$pbot->logger->log("[" . (defined $from ? $from : "(undef)") . "] ($nick!$user\@$host) [$keyword] aliased to: [$command]\n");
$self->factoids->{$keyword}{ref_count}++;
$self->factoids->{$keyword}{ref_user} = $nick;
return $pbot->interpreter->interpret($from, $nick, $user, $host, $count, $command);
}
if(${ $self->factoids }{$keyword}{enabled} == 0) {
$self->{pbot}->logger->log("$keyword disabled.\n");
return "/msg $nick $keyword is currently disabled.";
} elsif(exists ${ $self->factoids }{$keyword}{module}) {
$self->{pbot}->logger->log("Found module\n");
${ $self->factoids }{$keyword}{ref_count}++;
${ $self->factoids }{$keyword}{ref_user} = $nick;
return $self->{factoidmodulelauncher}->execute_module($from, $tonick, $nick, $user, $host, $keyword, $arguments);
}
elsif(exists ${ $self->factoids }{$keyword}{text}) {
$self->{pbot}->logger->log("Found factoid\n");
# Don't allow user-custom /msg factoids, unless factoid triggered by admin
if((${ $self->factoids }{$keyword}{text} =~ m/^\/msg/i) and (not $self->{pbot}->admins->loggedin($from, "$nick!$user\@$host"))) {
$self->{pbot}->logger->log("[HACK] Bad factoid (contains /msg): ${ $self->factoids }{$keyword}{text}\n");
return "You must login to use this command."
}
${ $self->factoids }{$keyword}{ref_count}++;
${ $self->factoids }{$keyword}{ref_user} = $nick;
$self->{pbot}->logger->log("(" . (defined $from ? $from : "(undef)") . "): $nick!$user\@$host): $keyword: Displaying text \"${ $self->factoids }{$keyword}{text}\"\n");
if(defined $tonick) { # !tell foo about bar
$self->{pbot}->logger->log("($from): $nick!$user\@$host) sent to $tonick\n");
my $fromnick = $self->{pbot}->admins->loggedin($from, "$nick!$user\@$host") ? "" : "$nick wants you to know: ";
$result = ${ $self->factoids }{$keyword}{text};
my $botnick = $self->{pbot}->botnick;
if($result =~ s/^\/say\s+//i || $result =~ s/^\/me\s+/* $botnick /i
|| $result =~ /^\/msg\s+/i) {
$result = "/msg $tonick $fromnick$result";
} else {
$result = "/msg $tonick $fromnick$keyword is $result";
}
$self->{pbot}->logger->log("text set to [$result]\n");
} else {
$result = ${ $self->factoids }{$keyword}{text};
}
if(defined $arguments) {
$self->{pbot}->logger->log("got arguments: [$arguments]\n");
# TODO - extract and remove $tonick from end of $arguments
if(not $result =~ s/\$args/$arguments/gi) {
$self->{pbot}->logger->log("factoid doesn't take argument, checking ...\n");
# factoid doesn't take an argument
if($arguments =~ /^[^ ]{1,20}$/) {
# might be a nick
$self->{pbot}->logger->log("could be nick\n");
if($result =~ /^\/.+? /) {
$result =~ s/^(\/.+?) /$1 $arguments: /;
} else {
$result =~ s/^/\/say $arguments: $keyword is / unless (defined $tonick);
}
} else {
if($result !~ /^\/.+? /) {
$result =~ s/^/\/say $keyword is / unless (defined $tonick);
}
}
$self->{pbot}->logger->log("updated text: [$result]\n");
}
$self->{pbot}->logger->log("replaced \$args: [$result]\n");
} else {
# no arguments supplied
$result =~ s/\$args/$nick/gi;
}
$result =~ s/\$nick/$nick/g;
while ($result =~ /[^\\]\$([a-zA-Z0-9_\-]+)/g) {
my $var = $1;
#$self->{pbot}->logger->log("adlib: got [$var]\n");
#$self->{pbot}->logger->log("adlib: parsing variable [\$$var]\n");
if(exists ${ $self->factoids }{$var} && exists ${ $self->factoids }{$var}{text}) {
my $change = ${ $self->factoids }{$var}{text};
my @list = split(/\s|(".*?")/, $change);
my @mylist;
#$self->{pbot}->logger->log("adlib: list [". join(':', @mylist) ."]\n");
for(my $i = 0; $i <= $#list; $i++) {
#$self->{pbot}->logger->log("adlib: pushing $i $list[$i]\n");
push @mylist, $list[$i] if $list[$i];
}
my $line = int(rand($#mylist + 1));
$mylist[$line] =~ s/"//g;
$result =~ s/\$$var/$mylist[$line]/;
#$self->{pbot}->logger->log("adlib: found: change: $result\n");
} else {
$result =~ s/\$$var/$var/g;
#$self->{pbot}->logger->log("adlib: not found: change: $result\n");
}
}
$result =~ s/\\\$/\$/g;
if($result =~ s/^\/say\s+//i || $result =~ /^\/me\s+/i
|| $result =~ /^\/msg\s+/i) {
return $result;
} else {
return "$keyword is $result";
}
} elsif(exists ${ $self->factoids }{$keyword}{regex}) {
$result = eval {
if($string =~ m/$keyword/i) {
$self->{pbot}->logger->log("[$string] matches [$keyword] - calling [" . ${ $self->factoids }{$keyword}{regex}. "$']\n");
my $cmd = "${ $self->factoids }{$keyword}{regex}$'";
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 = $';
$cmd =~ s/\$1/$a/g;
$cmd =~ s/\$2/$b/g;
$cmd =~ s/\$3/$c/g;
$cmd =~ s/\$4/$d/g;
$cmd =~ s/\$5/$e/g;
$cmd =~ s/\$6/$f/g;
$cmd =~ s/\$7/$g/g;
$cmd =~ s/\$8/$h/g;
$cmd =~ s/\$9/$i/g;
$cmd =~ s/\$`/$before/g;
$cmd =~ s/\$'/$after/g;
$cmd =~ s/^\s+//;
$cmd =~ s/\s+$//;
$result = $pbot->interpreter->interpret($from, $nick, $user, $host, $count, $cmd);
return $result;
}
};
if($@) {
$self->{pbot}->logger->log("Regex fail: $@\n");
return "/msg $nick Fail.";
}
return $result;
} else {
$self->{pbot}->logger->log("($from): $nick!$user\@$host): Unknown command type for '$keyword'\n");
return "/me blinks.";
}
return "/me wrinkles her nose.";
}
sub export_path {
my $self = shift;
if(@_) { $self->{export_path} = shift; }
return $self->{export_path};
}
sub logger {
my $self = shift;
if(@_) { $self->{logger} = shift; }
return $self->{logger};
}
sub export_site {
my $self = shift;
if(@_) { $self->{export_site} = shift; }
return $self->{export_site};
}
sub factoids {
my $self = shift;
return $self->{factoids};
}
sub filename {
my $self = shift;
if(@_) { $self->{filename} = shift; }
return $self->{filename};
}
1;