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pbot/PBot/Factoids.pm

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# File: Factoids.pm
# Author: pragma_
#
# Purpose: Provides functionality for factoids and a type of external module execution.
# 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::Factoids;
use warnings;
use strict;
use feature 'switch';
no if $] >= 5.018, warnings => "experimental::smartmatch";
use HTML::Entities;
use Time::HiRes qw(gettimeofday);
use Time::Duration qw(duration);
use Carp ();
use POSIX qw(strftime);
use Text::ParseWords;
use JSON;
use PPI;
use Safe;
use PBot::PBot qw($VERSION);
use PBot::FactoidCommands;
use PBot::FactoidModuleLauncher;
use PBot::DualIndexHashObject;
use PBot::Utils::Indefinite;
use PBot::Utils::ValidateString;
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->{commands} = PBot::FactoidCommands->new(pbot => $pbot);
$self->{factoidmodulelauncher} = PBot::FactoidModuleLauncher->new(pbot => $pbot);
$self->{pbot}->{registry}->add_default('text', 'factoids', 'default_rate_limit', '15');
$self->{pbot}->{atexit}->register(sub { $self->save_factoids; return; });
$self->{compartments} = {};
$self->load_factoids;
}
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");
$self->add_default_factoids();
}
sub add_default_factoids {
my $self = shift;
$self->add_factoid('text', '.*', $self->{pbot}->{registry}->get_value('irc', 'botnick'), 'version', "/say $VERSION", 1);
}
sub save_factoids {
my $self = shift;
$self->{factoids}->save;
$self->export_factoids;
}
sub add_factoid {
my $self = shift;
my ($type, $channel, $owner, $trigger, $action, $dont_save) = @_;
$type = lc $type;
$channel = '.*' if $channel !~ /^#/;
$channel = lc $channel;
$self->{factoids}->hash->{$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} = $self->{pbot}->{registry}->get_value('factoids', 'default_rate_limit');
$self->save_factoids unless $dont_save;
unless ($dont_save) {
$self->{commands}->log_factoid($channel, $trigger, $owner, "created: $action");
}
}
sub remove_factoid {
my $self = shift;
my ($channel, $trigger) = @_;
$channel = '.*' if $channel !~ /^#/;
$channel = lc $channel;
delete $self->{factoids}->hash->{$channel}->{$trigger};
if(not scalar keys %{ $self->{factoids}->hash->{$channel} }) {
delete $self->{factoids}->hash->{$channel};
}
$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><head>\n<link href='css/blue.css' rel='stylesheet' type='text/css'>\n";
print FILE '<script type="text/javascript" src="js/jquery-latest.js"></script>' . "\n";
print FILE '<script type="text/javascript" src="js/jquery.tablesorter.js"></script>' . "\n";
print FILE '<script type="text/javascript" src="js/picnet.table.filter.min.js"></script>' . "\n";
print FILE "</head>\n<body><i>Last updated at $time</i>\n";
print FILE "<hr><h2>Candide's factoids</h2>\n";
my $i = 0;
my $table_id = 1;
foreach my $channel (sort keys %{ $self->{factoids}->hash }) {
next if not scalar keys %{ $self->{factoids}->hash->{$channel} };
my $chan = $channel eq '.*' ? 'global' : $channel;
print FILE "<a href='#" . encode_entities($chan) . "'>" . encode_entities($chan) . "</a><br>\n";
}
foreach my $channel (sort keys %{ $self->{factoids}->hash }) {
next if not scalar keys %{ $self->{factoids}->hash->{$channel} };
my $chan = $channel eq '.*' ? 'global' : $channel;
print FILE "<a name='" . encode_entities($chan) . "'></a>\n";
print FILE "<hr>\n<h3>" . encode_entities($chan) . "</h3>\n<hr>\n";
print FILE "<table border=\"0\" id=\"table$table_id\" class=\"tablesorter\">\n";
print FILE "<thead>\n<tr>\n";
print FILE "<th>owner</th>\n";
print FILE "<th>created on</th>\n";
print FILE "<th>times referenced</th>\n";
print FILE "<th>factoid</th>\n";
print FILE "<th>last edited by</th>\n";
print FILE "<th>edited date</th>\n";
print FILE "<th>last referenced by</th>\n";
print FILE "<th>last referenced date</th>\n";
print FILE "</tr>\n</thead>\n<tbody>\n";
$table_id++;
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";
}
print FILE "<td>" . encode_entities($self->{factoids}->hash->{$channel}->{$trigger}->{owner}) . "</td>\n";
print FILE "<td>" . encode_entities(strftime "%Y/%m/%d %H:%M:%S", localtime $self->{factoids}->hash->{$channel}->{$trigger}->{created_on}) . "</td>\n";
print FILE "<td>" . $self->{factoids}->hash->{$channel}->{$trigger}->{ref_count} . "</td>\n";
my $action = $self->{factoids}->hash->{$channel}->{$trigger}->{action};
if ($action =~ m/https?:\/\/[^ ]+/) {
$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;
} else {
$action = encode_entities($action);
}
if(exists $self->{factoids}->hash->{$channel}->{$trigger}->{action_with_args}) {
my $with_args = $self->{factoids}->hash->{$channel}->{$trigger}->{action_with_args};
$with_args =~ s/(.*?)http(s?:\/\/[^ ]+)/encode_entities($1) . "<a href='http" . encode_entities($2) . "'>http" . encode_entities($2) . "<\/a>"/ge;
$with_args =~ s/(.*)<\/a>(.*$)/"$1<\/a>" . encode_entities($2)/e;
print FILE "<td width=100%><b>" . encode_entities($trigger) . "</b> is $action<br><br><b>with_args:</b> " . encode_entities($with_args) . "</td>\n";
} else {
print FILE "<td width=100%><b>" . encode_entities($trigger) . "</b> is $action</td>\n";
}
if(exists $self->{factoids}->hash->{$channel}->{$trigger}->{edited_by}) {
print FILE "<td>" . $self->{factoids}->hash->{$channel}->{$trigger}->{edited_by} . "</td>\n";
print FILE "<td>" . encode_entities(strftime "%Y/%m/%d %H:%M:%S", localtime $self->{factoids}->hash->{$channel}->{$trigger}->{edited_on}) . "</td>\n";
} else {
print FILE "<td></td>\n";
print FILE "<td></td>\n";
}
print FILE "<td>" . encode_entities($self->{factoids}->hash->{$channel}->{$trigger}->{ref_user}) . "</td>\n";
if(exists $self->{factoids}->hash->{$channel}->{$trigger}->{last_referenced_on}) {
print FILE "<td>" . encode_entities(strftime "%Y/%m/%d %H:%M:%S", localtime $self->{factoids}->hash->{$channel}->{$trigger}->{last_referenced_on}) . "</td>\n";
} else {
print FILE "<td></td>\n";
}
print FILE "</tr>\n";
}
}
print FILE "</tbody>\n</table>\n";
}
print FILE "<hr>$i factoids memorized.<br>";
print FILE "<hr><i>Last updated at $time</i>\n";
print FILE "<script type='text/javascript'>\n";
$table_id--;
print FILE '$(document).ready(function() {' . "\n";
while($table_id > 0) {
print FILE '$("#table' . $table_id . '").tablesorter();' . "\n";
print FILE '$("#table' . $table_id . '").tableFilter();' . "\n";
$table_id--;
}
print FILE "});\n";
print FILE "</script>\n";
print FILE "</body>\n</html>\n";
close(FILE);
#$self->{pbot}->{logger}->log("$i factoids exported to path: " . $self->export_path . ", site: " . $self->export_site . "\n");
return "/say $i factoids exported to " . $self->export_site;
}
sub find_factoid {
my ($self, $from, $keyword, $arguments, $exact_channel, $exact_trigger, $find_alias) = @_;
my $debug = 0;
$self->{pbot}->{logger}->log("find_factoid: from: [$from], kw: [$keyword], args: [" . (defined $arguments ? $arguments : "undef") . "], " . (defined $exact_channel ? $exact_channel : "undef") . ", " . (defined $exact_trigger ? $exact_trigger : "undef") . "\n") if $debug;
$from = '.*' if not defined $from or $from !~ /^#/;
$from = lc $from;
$self->{pbot}->{logger}->log("from: $from\n") if $debug;
my @result = eval {
my @results;
for (my $depth = 0; $depth < 5; $depth++) {
my $string = $keyword . (defined $arguments ? " $arguments" : "");
$self->{pbot}->{logger}->log("string: $string\n") if $debug;
return undef if $self->{pbot}->{commands}->exists($keyword);
# check factoids
foreach my $channel (sort keys %{ $self->{factoids}->hash }) {
if($exact_channel) {
if(defined $exact_trigger && $exact_trigger == 1) {
next unless $from eq lc $channel;
} else {
next unless $from eq lc $channel or $channel eq '.*';
}
}
foreach my $trigger (keys %{ $self->{factoids}->hash->{$channel} }) {
if($keyword =~ m/^\Q$trigger\E$/i) {
$self->{pbot}->{logger}->log("return $channel: $trigger\n") if $debug;
if($find_alias && $self->{factoids}->hash->{$channel}->{$trigger}->{action} =~ /^\/call\s+(.*)$/) {
my $command;
if(length $arguments) {
$command = "$1 $arguments";
} else {
$command = $1;
}
($keyword, $arguments) = split /\s+/, $command, 2;
goto NEXT_DEPTH;
}
if (defined $exact_channel && $exact_channel == 1) {
return ($channel, $trigger);
} else {
push @results, [$channel, $trigger];
}
}
}
}
# then check regex factoids
if(not $exact_trigger) {
foreach my $channel (sort keys %{ $self->{factoids}->hash }) {
if($exact_channel) {
next unless $from eq lc $channel or $channel eq '.*';
}
foreach my $trigger (sort keys %{ $self->{factoids}->hash->{$channel} }) {
if($self->{factoids}->hash->{$channel}->{$trigger}->{type} eq 'regex') {
$self->{pbot}->{logger}->log("checking regex $string =~ m/$trigger/i\n") if $debug >= 2;
if($string =~ m/$trigger/i) {
$self->{pbot}->{logger}->log("return regex $channel: $trigger\n") if $debug;
if($find_alias) {
my $command = $self->{factoids}->hash->{$channel}->{$trigger}->{action};
($keyword, $arguments) = split /\s+/, $command, 2;
$string = $keyword . (length $arguments ? " $arguments" : "");
goto NEXT_DEPTH;
}
if ($exact_channel == 1) {
return ($channel, $trigger);
} else {
push @results, [$channel, $trigger];
}
}
}
}
}
}
NEXT_DEPTH:
last if not $find_alias;
}
if ($debug) {
if (not @results) {
$self->{pbot}->{logger}->log("find_factoid: no match\n");
} else {
$self->{pbot}->{logger}->log("find_factoid: got results: " . (join ', ', map { "$_->[0] -> $_->[1]" } @results) . "\n");
}
}
return @results;
};
if($@) {
$self->{pbot}->{logger}->log("find_factoid: bad regex: $@\n");
return undef;
}
return @result;
}
sub escape_json {
my ($self, $text) = @_;
my $thing = {thing => $text};
# not sure why we need this here, but it seems to stop strange
# text encoding issues in the following encode_json call
use Encode;
$thing->{thing} = decode('utf8', $thing->{thing});
my $json = encode_json $thing;
$json =~ s/^{".*":"//;
$json =~ s/"}$//;
return $json;
}
sub expand_special_vars {
my ($self, $from, $nick, $root_keyword, $action) = @_;
$action =~ s/\$nick:json/$self->escape_json($nick)/ge;
$action =~ s/\$channel:json/$self->escape_json($from)/ge;
$action =~ s/\$randomnick:json/my $random = $self->{pbot}->{nicklist}->random_nick($from); $random ? $self->escape_json($random) : $self->escape_json($nick)/ge;
$action =~ s/\$0:json/$self->escape_json($root_keyword)/ge;
$action =~ s/\$nick/$nick/g;
$action =~ s/\$channel/$from/g;
$action =~ s/\$randomnick/my $random = $self->{pbot}->{nicklist}->random_nick($from); $random ? $random : $nick/ge;
$action =~ s/\$0\b/$root_keyword/g;
return validate_string($action);
}
sub expand_factoid_vars {
my ($self, $from, $nick, $root_keyword, $action, @exclude) = @_;
$root_keyword = lc $root_keyword;
my $depth = 0;
while (1) {
last if ++$depth >= 100;
my $matches = 0;
$action =~ s/\$0/$root_keyword/g;
my $const_action = $action;
while ($const_action =~ /(\ba\s*|\ban\s*)?(?<!\\)\$([a-zA-Z0-9_:\-#\[\]]+)/gi) {
last if ++$depth >= 100;
my ($a, $v) = ($1, $2);
$v =~ s/(.):$/$1/;
next if $v =~ m/^[\W_]/; # special character prefix skipped for shell/code-factoids/etc
next if $v =~ m/^(nick|channel|randomnick|arglen|args|arg\[.+\]|[_0])$/i; # don't override special variables
next if @exclude && grep { $v =~ m/^\Q$_\E$/i } @exclude;
$matches++;
my $modifier = '';
if ($v =~ s/(:.*)$//) {
$modifier = $1;
}
if ($modifier =~ m/^:(#[^:]+|global)/i) {
$from = $1;
$from = '.*' if lc $from eq 'global';
}
my $recurse = 0;
my $test_v = $v;
ALIAS:
my @factoids = $self->find_factoid($from, $test_v, undef, 2, 2);
next if not @factoids or not $factoids[0];
my ($var_chan, $var) = ($factoids[0]->[0], $factoids[0]->[1]);
if ($self->{factoids}->hash->{$var_chan}->{$var}->{action} =~ m{^/call (.*)}) {
$test_v = $1;
next if ++$recurse > 10;
goto ALIAS;
}
if ($self->{factoids}->hash->{$var_chan}->{$var}->{type} eq 'text') {
my $change = $self->{factoids}->hash->{$var_chan}->{$var}->{action};
my @list = split(/\s|(".*?")/, $change);
my @mylist;
for (my $i = 0; $i <= $#list; $i++) {
push @mylist, $list[$i] if defined $list[$i] and length $list[$i];
}
my $line = int(rand($#mylist + 1));
$mylist[$line] =~ s/"//g;
foreach my $mod (split /:/, $modifier) {
given ($mod) {
when ('uc') {
$mylist[$line] = uc $mylist[$line];
}
when ('lc') {
$mylist[$line] = lc $mylist[$line];
}
when ('ucfirst') {
$mylist[$line] = ucfirst $mylist[$line];
}
when ('title') {
$mylist[$line] = ucfirst lc $mylist[$line];
}
when ('json') {
$mylist[$line] = $self->escape_json($mylist[$line]);
}
}
}
if ($a) {
my $fixed_a = select_indefinite_article $mylist[$line];
$fixed_a = ucfirst $fixed_a if $a =~ m/^A/;
$action =~ s/$a\$$v$modifier/$fixed_a $mylist[$line]/;
} else {
$action =~ s/\$$v$modifier/$mylist[$line]/;
}
}
}
last if $matches == 0;
}
$action =~ s/\\\$/\$/g;
unless (@exclude) {
$action = $self->expand_special_vars($from, $nick, $root_keyword, $action);
}
return validate_string($action);
}
sub expand_action_arguments {
my ($self, $action, $input, $nick) = @_;
$action = validate_string($action);
$input = validate_string($input);
my %h;
if (not defined $input or $input eq '') {
%h = (args => $nick);
} else {
%h = (args => $input);
}
# not sure why we need this here, but it seems to stop strange
# text encoding issues in the following encode_json call
use Encode;
$h{args} = decode('utf8', $h{args});
my $jsonargs = encode_json \%h;
$jsonargs =~ s/^{".*":"//;
$jsonargs =~ s/"}$//;
if (not defined $input or $input eq '') {
$input = "";
$action =~ s/\$args:json/$jsonargs/ge;
$action =~ s/\$args(?![[\w])/$nick/g;
} else {
$action =~ s/\$args:json/$jsonargs/g;
$action =~ s/\$args(?![[\w])/$input/g;
}
my $qinput = quotemeta $input;
$qinput =~ s/\\ / /g;
my @args = shellwords($qinput);
$action =~ s/\$arglen\b/scalar @args/eg;
my $depth = 0;
my $const_action = $action;
while ($const_action =~ m/\$arg\[([^]]+)]/g) {
my $arg = $1;
last if ++$depth >= 100;
if ($arg eq '*') {
if (not defined $input or $input eq '') {
$action =~ s/\$arg\[\*\]/$nick/;
} else {
$action =~ s/\$arg\[\*\]/$input/;
}
next;
}
if ($arg =~ m/([^:]*):(.*)/) {
my $arg1 = $1;
my $arg2 = $2;
my $arg1i = $arg1;
my $arg2i = $arg2;
$arg1i = 0 if $arg1i eq '';
$arg2i = $#args if $arg2i eq '';
$arg2i = $#args if $arg2i > $#args;
my @values = eval {
local $SIG{__WARN__} = sub {};
return @args[$arg1i .. $arg2i];
};
if ($@) {
next;
} else {
my $string = join(' ', @values);
if ($string eq '') {
$action =~ s/\s*\$arg\[$arg1:$arg2\]//;
} else {
$action =~ s/\$arg\[$arg1:$arg2\]/$string/;
}
}
next;
}
my $value = eval {
local $SIG{__WARN__} = sub {};
return $args[$arg];
};
if ($@) {
next;
} else {
if (not defined $value) {
if ($arg == 0) {
$action =~ s/\$arg\[$arg\]/$nick/;
} else {
$action =~ s/\s*\$arg\[$arg\]//;
}
} else {
$action =~ s/\$arg\[$arg\]/$value/;
}
}
}
return $action;
}
sub execute_code_factoid_using_safe {
my ($self, $nick, $user, $host, $from, $chan, $root_keyword, $keyword, $arguments, $lang, $code, $tonick) = @_;
return "/say code-factoids are temporarily disabled.";
my $ppi = PPI::Document->new(\$code, readonly => 1);
return "/say $nick: I don't feel so good." if not $ppi;
my $vars = $ppi->find(sub { $_[1]->isa('PPI::Token::Symbol') });
my @names = map { $_->symbol =~ /^[\%\@\$]+(.*)/; $1 } @$vars if $vars;
my %uniq = map { $_, 1 } @names;
@names = keys %uniq;
unless ($self->{factoids}->hash->{$chan}->{$keyword}->{interpolate} eq '0') {
$code = $self->expand_factoid_vars($from, $nick, $root_keyword, $code, @names);
}
my %signals = %SIG;
alarm 0;
my $safe;
my $new_compartment;
if ($self->{factoids}->hash->{$chan}->{$keyword}->{'persist-key'}) {
my $key = $self->{factoids}->hash->{$chan}->{$keyword}->{'persist-key'};
if ($self->{compartments}->{$key}) {
$safe = $self->{compartments}->{$key};
} else {
$new_compartment = $key;
}
}
if (not defined $safe) {
$safe = Safe->new;
$safe->permit_only(qw/:base_core rv2gv padany rand srand concat subst join sort mapstart grepstart/);
$safe->deny(qw/entersub/);
# some default stuff
$safe->reval('$" = " ";');
$self->{compartments}->{$new_compartment} = $safe if $new_compartment;
}
no warnings;
local our @args = $self->{pbot}->{commands}->parse_arguments($arguments);
local our $nick = $nick;
local our $channel = $from;
use warnings;
@args = ($nick) if not @args;
$arguments = '';
$safe->share(qw/@args $nick $channel/);
my $action = eval {
$self->{pbot}->{logger}->log("evaling [$code]\n");
my $result = $safe->reval($code);
if ($@) {
my $error = $@;
chomp $error;
$error =~ s/trapped by operation.*/operation disallowed (we're still fine-tuning this; let us know if you think this should be allowed)/;
$error =~ s/at \(eval \d+\) line 1.//g;
$error = "$error (did you forget to use quotes around factoid variables?)" if $error =~ /syntax error/;
return "/say Error in factoid code: $error";
} else {
return $result;
}
};
if ($@) {
my $error = $@;
chomp $error;
$error =~ s/at \(eval \d+\) line 1.//g;
$action = "/say Error in factoid: $error";
}
%SIG = %signals;
alarm 1;
unless ($self->{factoids}->hash->{$chan}->{$keyword}->{interpolate} eq '0') {
$action = $self->expand_factoid_vars($from, $nick, $root_keyword, $action);
$action = $self->expand_action_arguments($action, $arguments, $nick);
} else {
$action = validate_string($action);
}
return $action;
}
sub execute_code_factoid_using_vm {
my ($self, $stuff) = @_;
unless (exists $self->{factoids}->hash->{$stuff->{channel}}->{$stuff->{keyword}}->{interpolate} and $self->{factoids}->hash->{$stuff->{channel}}->{$stuff->{keyword}}->{interpolate} eq '0') {
$stuff->{code} = $self->expand_factoid_vars($stuff->{from}, $stuff->{nick}, $stuff->{root_keyword}, $stuff->{code});
$stuff->{code} = $self->expand_action_arguments($stuff->{code}, $stuff->{arguments}, $stuff->{nick});
}
my %h = (nick => $stuff->{nick}, channel => $stuff->{from}, lang => $stuff->{lang}, code => $stuff->{code}, arguments => $stuff->{arguments}, factoid => "$stuff->{channel}:$stuff->{keyword}");
if (exists $self->{factoids}->hash->{$stuff->{channel}}->{$stuff->{keyword}}->{'persist-key'}) {
$h{'persist-key'} = $self->{factoids}->hash->{$stuff->{channel}}->{$stuff->{keyword}}->{'persist-key'};
}
# not sure why we need this here, but it seems to stop strange
# text encoding issues in the following encode_json call
use Encode;
$h{arguments} = decode('utf8', $h{arguments});
my $json = encode_json \%h;
$stuff->{special} = 'code-factoid';
$stuff->{root_channel} = $stuff->{channel};
$stuff->{keyword} = 'compiler';
$stuff->{arguments} = $json;
$self->{pbot}->{factoids}->{factoidmodulelauncher}->execute_module($stuff);
return "";
}
sub execute_code_factoid {
my ($self, @args) = @_;
return $self->execute_code_factoid_using_vm(@args);
}
sub interpreter {
my ($self, $stuff) = @_;
my $pbot = $self->{pbot};
if ($self->{pbot}->{registry}->get_value('general', 'debugcontext')) {
use Data::Dumper;
$Data::Dumper::Sortkeys = 1;
$self->{pbot}->{logger}->log("Factoids::interpreter\n");
$self->{pbot}->{logger}->log(Dumper $stuff);
}
#$self->{pbot}->{logger}->log("enter factoid interpreter [$keyword][" . (defined $arguments ? $arguments : '') . "] referenced = $referenced\n");
return undef if not length $stuff->{keyword} or $stuff->{interpret_depth} > $self->{pbot}->{registry}->get_value('interpreter', 'max_recursion');
$stuff->{from} = lc $stuff->{from};
# search for factoid against global channel and current channel (from unless ref_from is defined)
my $original_keyword = $stuff->{keyword};
#$self->{pbot}->{logger}->log("calling find_factoid in Factoids.pm, interpreter() to search for factoid against global/current\n");
my ($channel, $keyword) = $self->find_factoid($stuff->{ref_from} ? $stuff->{ref_from} : $stuff->{from}, $stuff->{keyword}, $stuff->{arguments}, 1);
if (not $stuff->{ref_from} or $stuff->{ref_from} eq '.*') {
$stuff->{ref_from} = "";
}
if (defined $channel and not $channel eq '.*' and not lc $channel eq $stuff->{from}) {
$stuff->{ref_from} = "[$channel] ";
}
$stuff->{arguments} = "" if not defined $stuff->{arguments};
# if no match found, attempt to call factoid from another channel if it exists there
if (not defined $keyword) {
my $string = "$original_keyword $stuff->{arguments}";
my $lc_keyword = lc $original_keyword;
my $comma = "";
my $found = 0;
my $chans = "";
my ($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} }) {
my $type = $self->{factoids}->hash->{$chan}->{$trig}->{type};
if (($type eq 'text' or $type eq 'module') and lc $trig eq $lc_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 undef if $stuff->{referenced};
return $stuff->{ref_from} . "Ambiguous keyword '$original_keyword' exists in multiple channels (use 'fact <channel> <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");
$stuff->{keyword} = $fwd_trig;
$stuff->{interpret_depth}++;
$stuff->{ref_from} = $fwd_chan;
return $pbot->{factoids}->interpreter($stuff);
}
# 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 undef if length $stuff->{arguments} and not $self->{pbot}->{nicklist}->is_present($stuff->{from}, $stuff->{arguments});
my $matches = $self->{commands}->factfind($stuff->{from}, $stuff->{nick}, $stuff->{user}, $stuff->{host}, quotemeta $original_keyword);
# found factfind matches
if ($matches !~ m/^No factoids/) {
return undef if $stuff->{referenced};
return "No such factoid '$original_keyword'; $matches";
}
# otherwise find levenshtein closest matches from all channels
$matches = $self->{factoids}->levenshtein_matches('.*', lc $original_keyword);
# don't say anything if nothing similiar was found
return undef if $matches eq 'none';
return undef if $stuff->{referenced};
return $stuff->{ref_from} . "No such factoid '$original_keyword'; did you mean $matches?";
}
}
$stuff->{keyword} = $keyword;
$stuff->{trigger} = $keyword;
$stuff->{channel} = $channel;
$stuff->{original_keyword} = $original_keyword;
return undef if $stuff->{referenced} and $self->{factoids}->hash->{$channel}->{$keyword}->{noembed};
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 $stuff->{from}) {
my $ratelimit = $self->{pbot}->{registry}->get_value($stuff->{from}, 'ratelimit_override');
$ratelimit = $self->{factoids}->hash->{$channel}->{$keyword}->{rate_limit} if not defined $ratelimit;
if (gettimeofday - $self->{factoids}->hash->{$channel}->{$keyword}->{last_referenced_on} < $ratelimit) {
return "/msg $stuff->{nick} $stuff->{ref_from}'$keyword' is rate-limited; try again in " . duration ($ratelimit - int(gettimeofday - $self->{factoids}->hash->{$channel}->{$keyword}->{last_referenced_on})) . "." unless $self->{pbot}->{admins}->loggedin($channel, "$stuff->{nick}!$stuff->{user}\@$stuff->{host}");
}
}
}
}
my $type = $self->{factoids}->hash->{$channel}->{$keyword}->{type};
$self->{factoids}->hash->{$channel}->{$keyword}->{ref_count}++;
$self->{factoids}->hash->{$channel}->{$keyword}->{ref_user} = "$stuff->{nick}!$stuff->{user}\@$stuff->{host}";
$self->{factoids}->hash->{$channel}->{$keyword}->{last_referenced_on} = gettimeofday;
$self->{factoids}->hash->{$channel}->{$keyword}->{last_referenced_in} = $stuff->{from} || "stdin";
my $action;
if (length $stuff->{arguments} and exists $self->{factoids}->hash->{$channel}->{$keyword}->{action_with_args}) {
$action = $self->{factoids}->hash->{$channel}->{$keyword}->{action_with_args};
} else {
$action = $self->{factoids}->hash->{$channel}->{$keyword}->{action};
}
if ($action =~ m{^/code\s+([^\s]+)\s+(.+)$}i) {
my ($lang, $code) = ($1, $2);
$stuff->{lang} = $lang;
$stuff->{code} = $code;
$self->execute_code_factoid($stuff);
return "";
}
return $self->handle_action($stuff, $action);
}
sub handle_action {
my ($self, $stuff, $action) = @_;
if ($self->{pbot}->{registry}->get_value('general', 'debugcontext')) {
use Data::Dumper;
$Data::Dumper::Sortkeys = 1;
$self->{pbot}->{logger}->log("Factoids::handle_action [$action]\n");
$self->{pbot}->{logger}->log(Dumper $stuff);
}
return "" if not length $action;
my ($channel, $keyword) = ($stuff->{channel}, $stuff->{trigger});
unless (exists $self->{factoids}->hash->{$channel}->{$keyword}->{interpolate} and $self->{factoids}->hash->{$channel}->{$keyword}->{interpolate} eq '0') {
$action = $self->expand_factoid_vars($stuff->{from}, $stuff->{nick}, $stuff->{root_keyword}, $action);
}
if (length $stuff->{arguments}) {
if ($action =~ m/\$args/ or $action =~ m/\$arg\[/) {
unless (defined $self->{factoids}->hash->{$channel}->{$keyword}->{interpolate} and $self->{factoids}->hash->{$channel}->{$keyword}->{interpolate} eq '0') {
$action = $self->expand_action_arguments($action, $stuff->{arguments}, $stuff->{nick});
}
$stuff->{arguments} = "";
} else {
if ($self->{factoids}->hash->{$channel}->{$keyword}->{type} eq 'text') {
my $target = $self->{pbot}->{nicklist}->is_present_similar($stuff->{from}, $stuff->{arguments});
if ($target and $action !~ /\$(?:nick|args)\b/) {
$stuff->{nickoverride} = $target unless $stuff->{force_nickoverride};
}
}
}
} else {
# no arguments supplied, replace $args with $nick/$tonick, etc
$action = $self->expand_action_arguments($action, undef, $stuff->{nick});
}
# Check if it's an alias
if ($action =~ /^\/call\s+(.*)$/) {
my $command = $1;
$command .= " $stuff->{arguments}" if length $stuff->{arguments};
$stuff->{command} = $command;
$self->{pbot}->{logger}->log("[" . (defined $stuff->{from} ? $stuff->{from} : "stdin") . "] ($stuff->{nick}!$stuff->{user}\@$stuff->{host}) [$keyword] aliased to: [$command]\n");
return $self->{pbot}->{interpreter}->interpret($stuff);
}
$self->{pbot}->{logger}->log("(" . (defined $stuff->{from} ? $stuff->{from} : "(undef)") . "): $stuff->{nick}!$stuff->{user}\@$stuff->{host}: $keyword: action: \"$action\"\n");
if ($self->{factoids}->hash->{$channel}->{$keyword}->{enabled} == 0) {
$self->{pbot}->{logger}->log("$keyword disabled.\n");
return "/msg $stuff->{nick} $stuff->{ref_from}$keyword is currently disabled.";
}
unless (exists $self->{factoids}->hash->{$channel}->{$keyword}->{interpolate} and $self->{factoids}->hash->{$channel}->{$keyword}->{interpolate} eq '0') {
$action = $self->expand_factoid_vars($stuff->{from}, $stuff->{nick}, $stuff->{root_keyword}, $action);
$action = $self->expand_action_arguments($action, $stuff->{arguments}, $stuff->{nick});
}
return $action if $stuff->{special} eq 'code-factoid';
if ($self->{factoids}->hash->{$channel}->{$keyword}->{type} eq 'module') {
my $preserve_whitespace = $self->{factoids}->hash->{$channel}->{$keyword}->{preserve_whitespace};
$preserve_whitespace = 0 if not defined $preserve_whitespace;
$stuff->{preserve_whitespace} = $preserve_whitespace;
$stuff->{root_keyword} = $keyword unless defined $stuff->{root_keyword};
$stuff->{root_channel} = $channel;
my $result = $self->{factoidmodulelauncher}->execute_module($stuff);
if (length $result) {
return $stuff->{ref_from} . $result;
} else {
return "";
}
}
elsif ($self->{factoids}->hash->{$channel}->{$keyword}->{type} eq 'text') {
# Don't allow user-custom /msg factoids, unless factoid triggered by admin
if (($action =~ m/^\/msg/i) and (not $self->{pbot}->{admins}->loggedin($stuff->{from}, "$stuff->{nick}!$stuff->{user}\@$stuff->{host}"))) {
$self->{pbot}->{logger}->log("[ABUSE] Bad factoid (contains /msg): $action\n");
return "You must login to use this command.";
}
if ($stuff->{ref_from}) {
if ($action =~ s/^\/say\s+/$stuff->{ref_from}/i || $action =~ s/^\/me\s+(.*)/\/me $1 $stuff->{ref_from}/i
|| $action =~ s/^\/msg\s+([^ ]+)/\/msg $1 $stuff->{ref_from}/i) {
return $action;
} else {
return $stuff->{ref_from} . "$keyword is $action";
}
} else {
if ($action =~ m/^\/(?:say|me|msg)/i) {
return $action;
} elsif ($action =~ s/^\/kick\s+//) {
if (not exists $self->{factoids}->hash->{$channel}->{$keyword}->{'effective-level'}) {
$stuff->{authorized} = 0;
return "/say $stuff->{nick}: $keyword doesn't have the effective-level to do that.";
}
my $level = 10;
if ($self->{factoids}->hash->{$channel}->{$keyword}->{'effective-level'} >= $level) {
$stuff->{authorized} = 1;
return "/kick " . $action;
} else {
$stuff->{authorized} = 0;
return "/say $stuff->{nick}: My effective-level isn't high enough to do that.";
}
} else {
return "/say $keyword is $action";
}
}
} elsif($self->{factoids}->hash->{$channel}->{$keyword}->{type} eq 'regex') {
my $result = eval {
my $string = "$stuff->{original_keyword}" . (defined $stuff->{arguments} ? " $stuff->{arguments}" : "");
my $cmd;
if ($string =~ m/$keyword/i) {
$self->{pbot}->{logger}->log("[$string] matches [$keyword] - calling [" . $action . "$']\n");
$cmd = $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 = $action;
}
$stuff->{command} = $cmd;
return $self->{pbot}->{interpreter}->interpret($stuff);
};
if($@) {
$self->{pbot}->{logger}->log("Regex fail: $@\n");
return "";
}
if (length $result) {
return $stuff->{ref_from} . $result;
} else {
return "";
}
} else {
$self->{pbot}->{logger}->log("($stuff->{from}): $stuff->{nick}!$stuff->{user}\@$stuff->{host}): Unknown command type for '$keyword'\n");
return "/me blinks." . " $stuff->{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;
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