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pbot/PBot/Factoids.pm

481 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 = $PBot::PBot::VERSION;
use HTML::Entities;
use Time::HiRes qw(gettimeofday);
use Carp ();
use PBot::FactoidModuleLauncher;
use PBot::DualIndexHashObject;
sub new {
if(ref($_[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} || Carp::croak("Missing pbot reference to Factoids");
$self->{factoids} = PBot::DualIndexHashObject->new(name => 'Factoids', 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 {
my $self = shift;
$self->{pbot}->logger->log("Loading factoids from " . $self->factoids->filename . " ...\n");
$self->factoids->load;
my ($text, $regex, $modules);
foreach my $channel (keys %{ $self->factoids->hash }) {
foreach my $trigger (keys %{ $self->factoids->hash->{$channel} }) {
$text++ if $self->factoids->hash->{$channel}->{$trigger}->{type} eq 'text';
$regex++ if $self->factoids->hash->{$channel}->{$trigger}->{type} eq 'regex';
$modules++ if $self->factoids->hash->{$channel}->{$trigger}->{type} eq 'module';
}
}
$self->{pbot}->logger->log(" " . ($text + $regex + $modules) . " factoids loaded ($text text, $regex regexs, $modules modules).\n");
$self->{pbot}->logger->log("Done.\n");
}
sub save_factoids {
my $self = shift;
$self->factoids->save;
$self->export_factoids;
}
sub add_factoid {
my $self = shift;
my ($type, $channel, $owner, $trigger, $action) = @_;
$type = lc $type;
$channel = lc $channel;
$trigger = lc $trigger;
$self->factoids->hash->{$channel}->{$trigger}->{enabled} = 1;
$self->factoids->hash->{$channel}->{$trigger}->{type} = $type;
$self->factoids->hash->{$channel}->{$trigger}->{action} = $action;
$self->factoids->hash->{$channel}->{$trigger}->{owner} = $owner;
$self->factoids->hash->{$channel}->{$trigger}->{created_on} = gettimeofday;
$self->factoids->hash->{$channel}->{$trigger}->{ref_count} = 0;
$self->factoids->hash->{$channel}->{$trigger}->{ref_user} = "nobody";
$self->factoids->hash->{$channel}->{$trigger}->{rate_limit} = 15;
$self->save_factoids;
}
sub remove_factoid {
my $self = shift;
my ($channel, $trigger) = @_;
$channel = lc $channel;
$trigger = lc $trigger;
delete $self->factoids->hash->{$channel}->{$trigger};
$self->save_factoids;
}
sub export_factoids {
my $self = shift;
my $filename;
if(@_) { $filename = shift; } else { $filename = $self->export_path; }
return if not defined $filename;
open FILE, "> $filename" or return "Could not open export path.";
my $time = localtime;
print FILE "<html><body><i>Last updated at $time</i>\n";
print FILE "<hr><h2>Candide's factoids</h2>\n";
my $i = 0;
foreach my $channel (sort keys %{ $self->factoids->hash }) {
my $chan = $channel eq '.*' ? 'Global channel' : "Channel $channel";
print FILE "<hr>\n<h3>$chan<h3>\n<hr>\n";
print FILE "<table border=\"0\">\n";
foreach my $trigger (sort keys %{ $self->factoids->hash->{$channel} }) {
if($self->factoids->hash->{$channel}->{$trigger}->{type} eq 'text') {
$i++;
if($i % 2) {
print FILE "<tr bgcolor=\"#dddddd\">\n";
} else {
print FILE "<tr>\n";
}
my $action = $self->factoids->hash->{$channel}->{$trigger}->{action};
$action =~ s/(.*?)http(s?:\/\/[^ ]+)/encode_entities($1) . "<a href='http" . encode_entities($2) . "'>http" . encode_entities($2) . "<\/a>"/ge;
$action =~ s/(.*)<\/a>(.*$)/"$1<\/a>" . encode_entities($2)/e;
print FILE "<td width=100%><b>$trigger</b> is " . $action . "</td>\n";
print FILE "<td align=\"right\" nowrap>- submitted by " . $self->factoids->hash->{$channel}->{$trigger}->{owner} . "<br><i>" . localtime($self->factoids->hash->{$channel}->{$trigger}->{created_on}) . "</i>\n</td>\n</tr>\n";
}
}
print FILE "</table>\n";
}
print FILE "<hr>$i factoids memorized.<br>";
print FILE "<hr><i>Last updated at $time</i>\n";
close(FILE);
#$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, $from, $keyword, $arguments, $exact_channel, $exact_trigger) = @_;
$from = '.*' if not defined $from or $from !~ /^#/;
my $string = "$keyword" . (defined $arguments ? " $arguments" : "");
my @result = eval {
foreach my $channel (sort keys %{ $self->factoids->hash }) {
if($exact_channel) {
next unless $from eq $channel;
} else {
next unless $from =~ m/^$channel$/i;
}
foreach my $trigger (keys %{ $self->factoids->hash->{$channel} }) {
if(not $exact_trigger and $self->factoids->hash->{$channel}->{$trigger}->{type} eq 'regex') {
if($string =~ m/$trigger/i) {
return ($channel, $trigger);
}
} else {
if($keyword =~ m/^\Q$trigger\E$/i) {
return ($channel, $trigger);
}
}
}
}
return undef;
};
if($@) {
$self->{pbot}->logger->log("find_factoid: bad regex: $@\n");
return undef;
}
return @result;
}
sub interpreter {
my $self = shift;
my ($from, $nick, $user, $host, $count, $keyword, $arguments, $tonick, $ref_from) = @_;
my ($result, $channel);
my $pbot = $self->{pbot};
return undef if not length $keyword;
$from = lc $from;
# search for factoid against global channel and current channel (from unless ref_from is defined)
my $original_keyword = $keyword;
($channel, $keyword) = $self->find_factoid($ref_from ? $ref_from : $from, $keyword, $arguments);
if(not defined $ref_from) {
$ref_from = "";
} else {
$ref_from = "[$ref_from] ";
}
$arguments = "" if not defined $arguments;
# if no match found, attempt to call factoid from another channel if it exists there
if(not defined $keyword) {
my $chans = "";
my $comma = "";
my $found = 0;
my ($fwd_chan, $fwd_trig);
# build string of which channels contain the keyword, keeping track of the last one and count
foreach my $chan (keys %{ $self->factoids->hash }) {
foreach my $trig (keys %{ $self->factoids->hash->{$chan} }) {
if(lc $trig eq lc $original_keyword) {
$chans .= $comma . $chan;
$comma = ", ";
$found++;
$fwd_chan = $chan;
$fwd_trig = $trig;
last;
}
}
}
# if multiple channels have this keyword, then ask user to disambiguate
if($found > 1) {
return $ref_from . "Ambiguous keyword '$original_keyword' exists in multiple locations (use 'fact <location> <keyword>' to choose one): $chans";
}
# if there's just one other channel that has this keyword, trigger that instance
elsif($found == 1) {
$pbot->logger->log("Found '$original_keyword' as '$fwd_trig' in [$fwd_chan]\n");
return $pbot->factoids->interpreter($from, $nick, $user, $host, $count, $fwd_trig, $arguments, undef, $fwd_chan);
}
# otherwise keyword hasn't been found, display similiar matches for all channels
else {
# if a non-nick argument was supplied, e.g., a sentence using the bot's nick, don't say anything
return "" if length $arguments and $arguments !~ /^[^.+-, ]{1,20}$/;
# find matches from all channels
my $matches = $self->factoids->levenshtein_matches('.*', lc $original_keyword);
# don't say anything if nothing similiar was found
return undef if $matches eq 'none';
return $ref_from . "No such factoid '$original_keyword'; did you mean $matches?";
}
}
my $type = $self->factoids->hash->{$channel}->{$keyword}->{type};
# Check if it's an alias
if($self->factoids->hash->{$channel}->{$keyword}->{action} =~ /^\/call\s+(.*)$/) {
my $command;
if(length $arguments) {
$command = "$1 $arguments";
} else {
$command = $1;
}
$pbot->logger->log("[" . (defined $from ? $from : "stdin") . "] ($nick!$user\@$host) [$keyword] aliased to: [$command]\n");
$self->factoids->hash->{$channel}->{$keyword}->{ref_count}++;
$self->factoids->hash->{$channel}->{$keyword}->{ref_user} = $nick;
$self->factoids->hash->{$channel}->{$keyword}->{last_referenced_on} = gettimeofday;
return $pbot->interpreter->interpret($from, $nick, $user, $host, $count, $command);
}
my $last_ref_in = 0;
if(exists $self->factoids->hash->{$channel}->{$keyword}->{last_referenced_on}) {
if(exists $self->factoids->hash->{$channel}->{$keyword}->{last_referenced_in}) {
if($self->factoids->hash->{$channel}->{$keyword}->{last_referenced_in} eq $from) {
$last_ref_in = 1;
}
}
if(($last_ref_in == 1) and (gettimeofday - $self->factoids->hash->{$channel}->{$keyword}->{last_referenced_on} < $self->factoids->hash->{$channel}->{$keyword}->{rate_limit})) {
return "/msg $nick $ref_from'$keyword' is rate-limited; try again in " . ($self->factoids->hash->{$channel}->{$keyword}->{rate_limit} - int(gettimeofday - $self->factoids->hash->{$channel}->{$keyword}->{last_referenced_on})) . " seconds.";
}
}
if($self->factoids->hash->{$channel}->{$keyword}->{enabled} == 0) {
$self->{pbot}->logger->log("$keyword disabled.\n");
return "/msg $nick $ref_from$keyword is currently disabled.";
}
elsif($self->factoids->hash->{$channel}->{$keyword}->{type} eq 'module') {
$self->{pbot}->logger->log("Found module\n");
$self->factoids->hash->{$channel}->{$keyword}->{ref_count}++;
$self->factoids->hash->{$channel}->{$keyword}->{ref_user} = $nick;
$self->factoids->hash->{$channel}->{$keyword}->{last_referenced_on} = gettimeofday;
$self->factoids->hash->{$channel}->{$keyword}->{last_referenced_in} = $from || "stdin";
return $ref_from . $self->{factoidmodulelauncher}->execute_module($from, $tonick, $nick, $user, $host, $keyword, $arguments);
}
elsif($self->factoids->hash->{$channel}->{$keyword}->{type} eq 'text') {
$self->{pbot}->logger->log("Found factoid\n");
# Don't allow user-custom /msg factoids, unless factoid triggered by admin
if(($self->factoids->hash->{$channel}->{$keyword}->{action} =~ m/^\/msg/i) and (not $self->{pbot}->admins->loggedin($from, "$nick!$user\@$host"))) {
$self->{pbot}->logger->log("[ABUSE] Bad factoid (contains /msg): " . $self->factoids->hash->{$channel}->{$keyword}->{action} . "\n");
return "You must login to use this command."
}
$self->factoids->hash->{$channel}->{$keyword}->{ref_count}++;
$self->factoids->hash->{$channel}->{$keyword}->{ref_user} = $nick;
$self->factoids->hash->{$channel}->{$keyword}->{last_referenced_on} = gettimeofday;
$self->factoids->hash->{$channel}->{$keyword}->{last_referenced_in} = $from || "stdin";
$self->{pbot}->logger->log("(" . (defined $from ? $from : "(undef)") . "): $nick!$user\@$host): $keyword: Displaying text \"" . $self->factoids->hash->{$channel}->{$keyword}->{action} . "\"\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 = $self->factoids->hash->{$channel}->{$keyword}->{action};
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";
}
$self->{pbot}->logger->log("result set to [$result]\n");
} else {
$result = $self->factoids->hash->{$channel}->{$keyword}->{action};
}
if(length $arguments) {
if(exists $self->factoids->hash->{$channel}->{$keyword}->{action_with_args}) {
$result = $self->factoids->hash->{$channel}->{$keyword}->{action_with_args};
}
if(not $result =~ s/\$args/$arguments/gi) {
# factoid doesn't take an argument, so assume argument is a nick if it is a single-word 20 characters or less
# TODO - maintain list of channel nicks and compare against this list to ensure nick exists
if($arguments =~ /^[^.+-, ]{1,20}$/) {
# might be a nick
if($result =~ /^\/.+? /) {
$result =~ s/^(\/.+?) /$1 $arguments: /;
} else {
$result =~ s/^/\/say $arguments: $keyword is / unless defined $tonick;
}
} else {
# return "";
}
}
} else {
# no arguments supplied
$result =~ s/\$args/$nick/gi;
}
$result =~ s/\$nick/$nick/g;
while ($result =~ /[^\\]\$([a-zA-Z0-9_\-]+)/g) {
my ($var_chan, $var) = $self->find_factoid($from, $1, undef, 0, 1);
if(defined $var && $self->factoids->hash->{$var_chan}->{$var}->{type} eq 'text') {
my $change = $self->factoids->hash->{$var_chan}->{$var}->{action};
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+/$ref_from/i || $result =~ s/^\/me\s+(.*)/\/me $1 $ref_from/i
|| $result =~ s/^\/msg\s+([^ ]+)/\/msg $1 $ref_from/i) {
return $result;
} else {
return $ref_from . "$keyword is $result";
}
} elsif($self->factoids->hash->{$channel}->{$keyword}->{type} eq 'regex') {
$result = eval {
my $string = "$original_keyword" . (defined $arguments ? " $arguments" : "");
my $cmd;
if($string =~ m/$keyword/i) {
$self->{pbot}->logger->log("[$string] matches [$keyword] - calling [" . $self->factoids->hash->{$channel}->{$keyword}->{action} . "$']\n");
$cmd = $self->factoids->hash->{$channel}->{$keyword}->{action} . $';
my ($a, $b, $c, $d, $e, $f, $g, $h, $i, $before, $after) = ($1, $2, $3, $4, $5, $6, $7, $8, $9, $`, $');
$cmd =~ s/\$1/$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+//;
$cmd =~ s/\s+$//;
} else {
$cmd = $self->factoids->hash->{$channel}->{$keyword}->{action};
}
$result = $pbot->interpreter->interpret($from, $nick, $user, $host, $count, $cmd);
return $result;
};
if($@) {
$self->{pbot}->logger->log("Regex fail: $@\n");
return "/msg $nick $ref_from" . "Fail.";
}
return $ref_from . $result;
} else {
$self->{pbot}->logger->log("($from): $nick!$user\@$host): Unknown command type for '$keyword'\n");
return "/me blinks." . " $ref_from";
}
# should never be reached; if it has, something has gone horribly wrong.
# (advanced notification of corruption or a waste of space?)
return "/me wrinkles her nose." . " $ref_from";
}
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;