# 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 parent 'PBot::Class';
use warnings; use strict;
use feature 'unicode_strings';
use utf8;
use feature 'switch';
no if $] >= 5.018, warnings => "experimental::smartmatch";
use HTML::Entities;
use Time::HiRes qw(gettimeofday);
use Time::Duration qw(duration);
use POSIX qw(strftime);
use Text::ParseWords;
use JSON;
use PBot::FactoidCommands;
use PBot::Utils::Indefinite;
use PBot::Utils::ValidateString;
our %factoid_metadata = (
'action' => 'TEXT',
'action_with_args' => 'TEXT',
'add_nick' => 'INTEGER',
'allow_empty_args' => 'INTEGER',
'background-process' => 'INTEGER',
'cap-override' => 'TEXT',
'created_on' => 'NUMERIC',
'dont-protect-self' => 'INTEGER',
'dont-replace-pronouns' => 'INTEGER',
'edited_by' => 'TEXT',
'edited_on' => 'NUMERIC',
'enabled' => 'INTEGER',
'help' => 'TEXT',
'interpolate' => 'INTEGER',
'keyword_override' => 'TEXT',
'last_referenced_in' => 'TEXT',
'last_referenced_on' => 'NUMERIC',
'locked' => 'INTEGER',
'locked_to_channel' => 'INTEGER',
'no_keyword_override' => 'INTEGER',
'noembed' => 'INTEGER',
'nooverride' => 'INTEGER',
'owner' => 'TEXT',
'persist-key' => 'INTEGER',
'preserve_whitespace' => 'INTEGER',
'process-timeout' => 'INTEGER',
'rate_limit' => 'INTEGER',
'ref_count' => 'INTEGER',
'ref_user' => 'TEXT',
'require_explicit_args' => 'INTEGER',
'requires_arguments' => 'INTEGER',
'type' => 'TEXT',
'unquote_spaces' => 'INTEGER',
'usage' => 'TEXT',
'use_output_queue' => 'INTEGER',
'workdir' => 'TEXT',
);
sub initialize {
my ($self, %conf) = @_;
my $filename = $conf{filename};
$self->{pbot} = $self->{pbot};
$self->{pbot}->{atexit}->register(sub { $self->save_factoids; return; });
$self->{factoids} = PBot::DualIndexSQLiteObject->new(name => 'Factoids', filename => $filename, pbot => $self->{pbot});
$self->{commands} = PBot::FactoidCommands->new(pbot => $self->{pbot});
$self->{pbot}->{registry}->add_default('text', 'factoids', 'default_rate_limit', 15);
$self->{pbot}->{registry}->add_default('text', 'factoids', 'max_name_length', 100);
$self->{pbot}->{registry}->add_default('text', 'factoids', 'max_content_length', 1024 * 8);
$self->{pbot}->{registry}->add_default('text', 'factoids', 'max_channel_length', 20);
$self->load_factoids;
}
sub load_factoids {
my $self = shift;
$self->{factoids}->load;
$self->{factoids}->create_metadata(\%factoid_metadata);
}
sub save_factoids {
my $self = shift;
$self->{factoids}->save;
$self->export_factoids;
}
sub get_meta {
my ($self, $channel, $trigger, $key) = @_;
$channel = lc $channel;
$trigger = lc $trigger;
my ($chan, $trig) = $self->find_factoid($channel, $trigger, exact_channel => 1, exact_trigger => 1);
return undef if not defined $chan;
return $self->{factoids}->get_data($chan, $trig, $key);
}
sub add_factoid {
my ($self, $type, $channel, $owner, $trigger, $action, $dont_save) = @_;
$type = lc $type;
$channel = '.*' if $channel !~ /^#/;
my $data;
if ($self->{factoids}->exists($channel, $trigger)) {
# only update action field if force-adding it through factadd -f
$data = $self->{factoids}->get_data($channel, $trigger);
$data->{action} = $action;
$data->{type} = $type;
} else {
$data = {
enabled => 1,
type => $type,
action => $action,
owner => $owner,
created_on => scalar gettimeofday,
ref_count => 0,
ref_user => "nobody",
rate_limit => $self->{pbot}->{registry}->get_value('factoids', 'default_rate_limit')
};
}
$self->{factoids}->add($channel, $trigger, $data, $dont_save);
$self->{commands}->log_factoid($channel, $trigger, $owner, "created: $action") unless $dont_save;
}
sub remove_factoid {
my $self = shift;
my ($channel, $trigger) = @_;
$channel = '.*' if $channel !~ /^#/;
return $self->{factoids}->remove($channel, $trigger);
}
sub export_factoids {
my $self = shift;
my $filename;
if (@_) { $filename = shift; }
else { $filename = $self->{pbot}->{registry}->get_value('general', 'data_dir') . '/factoids.html'; }
return if not defined $filename;
$self->{pbot}->{logger}->log("Exporting factoids to $filename\n");
open FILE, "> $filename" or return "Could not open export path.";
my $botnick = $self->{pbot}->{registry}->get_value('irc', 'botnick');
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 $time</i>\n";
print FILE "<hr><h2>$botnick\'s factoids</h2>\n";
my $i = 0;
my $table_id = 1;
foreach my $channel (sort $self->{factoids}->get_keys) {
next if not $self->{factoids}->get_keys($channel);
my $chan = $self->{factoids}->get_data($channel, '_name');
$chan = 'global' if $chan eq '.*';
print FILE "<a href='#" . encode_entities($chan) . "'>" . encode_entities($chan) . "</a><br>\n";
}
foreach my $channel (sort $self->{factoids}->get_keys) {
next if not $self->{factoids}->get_keys($channel);
my $chan = $self->{factoids}->get_data($channel, '_name');
$chan = 'global' if $chan eq '.*';
print FILE "<a name='" . encode_entities($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++;
my $iter = $self->{factoids}->get_each("index1 = $channel", '_everything', '_sort = index1');
while (defined (my $factoid = $self->{factoids}->get_next($iter))) {
my $trigger_name = $self->{factoids}->get_data($factoid->{index1}, $factoid->{index2}, '_name');
if ($factoid->{type} eq 'text') {
$i++;
if ($i % 2) { print FILE "<tr bgcolor=\"#dddddd\">\n"; }
else { print FILE "<tr>\n"; }
print FILE "<td>" . encode_entities($factoid->{'owner'}) . "</td>\n";
print FILE "<td>" . encode_entities(strftime "%Y/%m/%d %H:%M:%S", localtime $factoid->{'created_on'}) . "</td>\n";
print FILE "<td>" . $factoid->{'ref_count'} . "</td>\n";
my $action = $factoid->{'action'};
if ($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 (defined $factoid->{'action_with_args'}) {
my $with_args = $factoid->{'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_name) . "</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_name) . "</b> is $action</td>\n";
}
if (defined $factoid->{'edited_by'}) {
print FILE "<td>" . $factoid->{'edited_by'} . "</td>\n";
print FILE "<td>" . encode_entities(strftime "%Y/%m/%d %H:%M:%S", localtime $factoid->{'edited_on'}) . "</td>\n";
} else {
print FILE "<td></td>\n";
print FILE "<td></td>\n";
}
print FILE "<td>" . encode_entities($factoid->{'ref_user'}) . "</td>\n";
if (defined $factoid->{'last_referenced_on'}) {
print FILE "<td>" . encode_entities(strftime "%Y/%m/%d %H:%M:%S", localtime $factoid->{'last_referenced_on'}) . "</td>\n";
} else {
print FILE "<td></td>\n";
}
print FILE "</tr>\n";
}
}
print FILE "</tbody>\n</table>\n";
}
print FILE "<hr>$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);
return "/say $i factoids exported.";
}
sub find_factoid {
my ($self, $from, $keyword, %opts) = @_;
my %default_opts = (
arguments => '',
exact_channel => 0,
exact_trigger => 0,
find_alias => 0
);
%opts = (%default_opts, %opts);
my $debug = 0;
if ($debug) {
use Data::Dumper;
my $dump = Dumper \%opts;
$self->{pbot}->{logger}->log("+" x 32 . "\n");
use Devel::StackTrace;
my $trace = Devel::StackTrace->new(indent => 1, ignore_class => ['PBot::PBot', 'PBot::IRC']);
$self->{pbot}->{logger}->log("find_factoid stacktrace: " . $trace->as_string() . "\n");
$self->{pbot}->{logger}->log("find_factiod: from: $from, kw: $keyword, opts: $dump\n");
}
$from = '.*' if not defined $from or $from !~ /^#/;
$from = lc $from;
$keyword = lc $keyword;
my $arguments = $opts{arguments};
my @result = eval {
my @results;
my ($channel, $trigger);
for (my $depth = 0; $depth < 15; $depth++) {
my $action;
my $string = $keyword . (length $arguments ? " $arguments" : "");
$self->{pbot}->{logger}->log("string: $string\n") if $debug;
if ($opts{exact_channel} and $opts{exact_trigger}) {
if ($self->{factoids}->exists($from, $keyword)) {
($channel, $trigger) = ($from, $keyword);
goto CHECK_ALIAS;
}
if ($opts{exact_trigger} > 1 and $self->{factoids}->exists('.*', $keyword)) {
($channel, $trigger) = ('.*', $keyword);
goto CHECK_ALIAS;
}
goto CHECK_REGEX;
}
if ($opts{exact_channel} and not $opts{exact_trigger}) {
if (not $self->{factoids}->exists($from, $keyword)) {
($channel, $trigger) = ($from, $keyword);
goto CHECK_REGEX if $from eq '.*';
goto CHECK_REGEX if not $self->{factoids}->exists('.*', $keyword);
($channel, $trigger) = ('.*', $keyword);
goto CHECK_ALIAS;
}
($channel, $trigger) = ($from, $keyword);
goto CHECK_ALIAS;
}
if (not $opts{exact_channel}) {
foreach my $factoid ($self->{factoids}->get_all("index2 = $keyword", 'index1', 'action')) {
$channel = $factoid->{index1};
$trigger = $keyword;
if ($opts{find_alias} && $factoid->{action} =~ m{^/call\s+(.*)$}ms) {
goto CHECK_ALIAS;
}
push @results, [$channel, $trigger];
}
goto CHECK_REGEX;
}
CHECK_ALIAS:
if ($opts{find_alias}) {
$action = $self->{factoids}->get_data($channel, $trigger, 'action') if not defined $action;
if ($action =~ m{^/call\s+(.*)$}ms) {
my $command;
if (length $arguments) {
$command = "$1 $arguments";
} else {
$command = $1;
}
my $arglist = $self->{pbot}->{interpreter}->make_args($command);
($keyword, $arguments) = $self->{pbot}->{interpreter}->split_args($arglist, 2, 0, 1);
goto NEXT_DEPTH;
}
}
if ($opts{exact_channel} == 1) {
return ($channel, $trigger);
} else {
push @results, [$channel, $trigger];
}
CHECK_REGEX:
if (not $opts{exact_trigger}) {
my @factoids;
if ($opts{exact_channel}) {
if ($channel ne '.*') {
@factoids = $self->{factoids}->get_all('type = regex', "index1 = $channel", 'OR index1 = .*', 'index2', 'action');
} else {
@factoids = $self->{factoids}->get_all('type = regex', "index1 = $channel", 'index2', 'action');
}
} else {
@factoids = $self->{factoids}->get_all('type = regex', 'index1', 'index2', 'action');
}
foreach my $factoid (@factoids) {
$channel = $factoid->{index1};
$trigger = $factoid->{index2};
$action = $factoid->{action};
if ($string =~ /$trigger/) {
if ($opts{find_alias}) {
my $command = $action;
my $arglist = $self->{pbot}->{interpreter}->make_args($command);
($keyword, $arguments) = $self->{pbot}->{interpreter}->split_args($arglist, 2, 0, 1);
goto NEXT_DEPTH;
}
if ($opts{exact_channel} == 1) { return ($channel, $trigger); }
else { push @results, [$channel, $trigger]; }
}
}
}
# match not found
last;
NEXT_DEPTH:
last if not $opts{find_alias};
}
if ($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("Error in find_factoid: $@\n");
return undef;
}
return @result;
}
sub parse_expansion_modifiers {
my ($self, $modifier) = @_;
my %settings;
while ($$modifier =~ s/^:(?=\w)//) {
if ($$modifier =~ s/^join\s*(?=\(.*?(?=\)))//) {
my ($params, $rest) = $self->{pbot}->{interpreter}->extract_bracketed($$modifier, '(', ')', '', 1);
$$modifier = $rest;
my @args = $self->{pbot}->{interpreter}->split_line($params, strip_quotes => 1, strip_commas => 1);
$settings{'join'} = $args[0];
next;
}
if ($$modifier=~ s/^\+?sort//) {
$settings{'sort+'} = 1;
next;
}
if ($$modifier=~ s/^\-sort//) {
$settings{'sort-'} = 1;
next;
}
if ($$modifier=~ s/^pick_unique\s*(?=\(.*?(?=\)))//) {
my ($params, $rest) = $self->{pbot}->{interpreter}->extract_bracketed($$modifier, '(', ')', '', 1);
$$modifier = $rest;
my @args = $self->{pbot}->{interpreter}->split_line($params, strip_quotes => 1, strip_commas => 1);
$settings{'pick'} = 1;
$settings{'unique'} = 1;
if (@args == 2) {
$settings{'random'} = 1;
$settings{'pick_min'} = $args[0];
$settings{'pick_max'} = $args[1];
} elsif (@args == 1) {
$settings{'pick_min'} = 1;
$settings{'pick_max'} = $args[0];
} else {
push @{$settings{errors}}, "pick_unique(): missing argument(s)";
}
next;
}
if ($$modifier=~ s/^pick\s*(?=\(.*?(?=\)))//) {
my ($params, $rest) = $self->{pbot}->{interpreter}->extract_bracketed($$modifier, '(', ')', '', 1);
$$modifier = $rest;
my @args = $self->{pbot}->{interpreter}->split_line($params, strip_quotes => 1, strip_commas => 1);
$settings{'pick'} = 1;
if (@args == 2) {
$settings{'random'} = 1;
$settings{'pick_min'} = $args[0];
$settings{'pick_max'} = $args[1];
} elsif (@args == 1) {
$settings{'pick_min'} = 1;
$settings{'pick_max'} = $args[0];
} else {
push @{$settings{errors}}, "pick(): missing argument(s)";
}
next;
}
if ($$modifier=~ s/^index\s*(?=\(.*?(?=\)))//) {
my ($params, $rest) = $self->{pbot}->{interpreter}->extract_bracketed($$modifier, '(', ')', '', 1);
$$modifier = $rest;
my @args = $self->{pbot}->{interpreter}->split_line($params, strip_quotes => 1, strip_commas => 1);
if (@args == 1) {
$settings{'index'} = $args[0];
} else {
push @{$settings{errors}}, "index(): missing argument";
}
next;
}
if ($$modifier =~ s/^(enumerate|comma|ucfirst|lcfirst|title|uc|lc)//) {
$settings{$1} = 1;
next;
}
if ($$modifier =~ s/^(\w+)//) {
push @{$settings{errors}}, "Unknown modifier `$1`";
}
}
return %settings;
}
sub make_list {
my ($self, $context, $extracted, $settings, %opts) = @_;
if ($extracted =~ /(.*?)(?<!\\)%\s*\(.*\)/) {
$opts{nested}++;
$extracted = $self->expand_factoid_selectors($context, $extracted, %opts);
$opts{nested}--;
}
my @list;
foreach my $item (split /\s*(?<!\\)\|\s*/, $extracted, -1) {
$item =~ s/^\s+|\s+$//g;
$item =~ s/\\\|/|/g;
if ($settings->{'uc'}) { $item = uc $item; }
if ($settings->{'lc'}) { $item = lc $item; }
if ($settings->{'ucfirst'}) { $item = ucfirst $item; }
if ($settings->{'title'}) {
$item = ucfirst lc $item;
$item =~ s/ (\w)/' ' . uc $1/ge;
}
if ($settings->{'json'}) { $item = $self->escape_json($item); }
push @list, $item;
}
if ($settings->{'unique'}) {
foreach my $choice (@{$settings->{'choices'}}) {
@list = grep { $_ ne $choice } @list;
}
}
if ($settings->{'sort+'}) {
@list = sort { $a cmp $b } @list;
}
if ($settings->{'sort-'}) {
@list = sort { $b cmp $a } @list;
}
return \@list;
}
sub select_weighted_item_from_list {
my ($self, $list, $index) = @_;
my @weights;
my $weight_sum = 0;
for (my $i = 0; $i <= $#$list; $i++) {
my $weight = 1;
if ($list->[$i] =~ s/:weight\(([0-9.-]+)\)//) {
$weight = $1;
}
$weights[$i] = [ $weight, $i ];
$weight_sum += $weight;
}
if (defined $index) {
return $list->[$index];
}
my $n = rand $weight_sum;
for my $weight (@weights) {
if ($n < $weight->[0]) {
return $list->[$weight->[1]];
}
$n -= $weight->[0];
}
}
sub select_item {
my ($self, $context, $extracted, $modifier, %opts) = @_;
my %settings = $self->parse_expansion_modifiers($modifier);
if (exists $settings{errors}) {
return "[Error: " . join ('; ', @{$settings{errors}}) . ']';
}
my $item;
if (exists $settings{'index'}) {
my $list = $self->make_list($context, $extracted, \%settings, %opts);
my $index = $settings{'index'};
$index = $#$list - -$index if $index < 0;
$index = 0 if $index < 0;
$index = $#$list if $index > $#$list;
$item = $self->select_weighted_item_from_list($list, $index);
# strip outer quotes
if (not $item =~ s/^"(.*)"$/$1/) { $item =~ s/^'(.*)'$/$1/; }
} elsif ($settings{'pick'}) {
my $min = $settings{'pick_min'};
my $max = $settings{'pick_max'};
$max = 100 if $max > 100;
my $count = $max;
if ($settings{'random'}) {
$count = int rand ($max + 1 - $min) + $min;
}
my @choices;
$settings{'choices'} = \@choices;
while ($count-- > 0) {
my $list = $self->make_list($context, $extracted, \%settings, %opts);
last if not @$list;
$max = @$list if $settings{'unique'} and $max > @$list;
$min = $max if $min > $max;
my $choice = $self->select_weighted_item_from_list($list);
push @choices, $choice;
}
# strip outer quotes
foreach my $choice (@choices) {
if (not $choice =~ s/^"(.*)"$/$1/) { $choice =~ s/^'(.*)'$/$1/; }
}
if ($settings{'sort+'}) {
@choices = sort { $a cmp $b } @choices;
}
if ($settings{'sort-'}) {
@choices = sort { $b cmp $a } @choices;
}
return @choices if wantarray;
if (exists $settings{'join'}) {
my $sep = $settings{'join'};
$sep = '' if not defined $sep;
$item = join $sep, @choices;
} elsif ($settings{'enumerate'} or $settings{'comma'}) {
$item = join ', ', @choices;
$item =~ s/(.*), /$1 and / if $settings{'enumerate'};
} else {
$item = $opts{nested} ? join('|', @choices) : "@choices";
}
} else {
my $list = $self->make_list($context, $extracted, \%settings, %opts);
$item = $self->select_weighted_item_from_list($list);
# strip outer quotes
if (not $item =~ s/^"(.*)"$/$1/) { $item =~ s/^'(.*)'$/$1/; }
}
return $item;
}
sub expand_factoid_selectors {
my ($self, $context, $action, %opts) = @_;
my %default_opts = (
nested => 0,
recursions => 0,
);
%opts = (%default_opts, %opts);
return '!recursion limit!' if ++$opts{recursions} > 100;
my $result = '';
while (1) {
if ($action =~ /(.*?)(?<!\\)%\s*\(.*\)/) {
$result .= $1;
} else {
last;
}
my ($extracted, $rest) = $self->{pbot}->{interpreter}->extract_bracketed($action, '(', ')', '%', 1);
last if not length $extracted;
my $item = $self->select_item($context, $extracted, \$rest, %opts);
if ($result =~ s/\b(a|an)(\s+)$//i) {
my ($article, $trailing) = ($1, $2);
my $fixed_article = select_indefinite_article $item;
if ($article eq 'AN') {
$fixed_article = uc $fixed_article;
} elsif ($article eq 'An' or $article eq 'A') {
$fixed_article = ucfirst $fixed_article;
}
$item = $fixed_article . $trailing . $item;
}
$result .= $item;
$action = $rest;
}
$result .= $action;
return $result;
}
sub expand_factoid_vars {
my ($self, $context, $action, %opts) = @_;
my %default_opts = (
nested => 0,
recursions => 0,
);
%opts = (%default_opts, %opts);
return '!recursion limit reached!' if ++$opts{recursions} > 100;
my $from = length $context->{ref_from} ? $context->{ref_from} : $context->{from};
my $nick = $context->{nick};
my $root_keyword = $context->{keyword_override} ? $context->{keyword_override} : $context->{root_keyword};
$action = defined $action ? $action : $context->{action};
my $interpolate = $self->{factoids}->get_data($context->{channel}, $context->{keyword}, 'interpolate');
return $action if defined $interpolate and $interpolate == 0;
$interpolate = $self->{pbot}->{registry}->get_value($context->{channel}, 'interpolate_factoids');
return $action if defined $interpolate and $interpolate == 0;
$action = $self->expand_factoid_selectors($context, $action, %opts);
my $depth = 0;
if ($action =~ m/^\/call --keyword-override=([^ ]+)/i) { $root_keyword = $1; }
my $result = '';
my $rest = $action;
while (1) {
last if ++$depth >= 100;
$rest =~ s/(?<!\\)\$0/$root_keyword/g;
my $matches = 0;
my $expansions = 0;
while ($rest =~ s/(.*?)(?<!\\)\$([\w|{])/$2/ms) {
$result .= $1;
my $var;
my $extract_method;
if ($rest =~ /^\{.*?\}/) {
($var, $rest) = $self->{pbot}->{interpreter}->extract_bracketed($rest, '{', '}');
if ($var =~ /:/) {
my @stuff = split /:/, $var, 2;
$var = $stuff[0];
$rest = ':' . $stuff[1] . $rest;
}
$extract_method = 'bracket';
} else {
$rest =~ s/^(\w+)//;
$var = $1;
$extract_method = 'regex';
}
if ($var =~ /^(?:_.*|[[:punct:]0-9]+|a|b|nick|channel|randomnick|arglen|args|arg\[.+\])$/i) {
# skip identifiers with leading underscores, etc
$result .= $extract_method eq 'bracket' ? '${' . $var . '}' : '$' . $var;
next;
}
$matches++;
# extract channel expansion modifier
if ($rest =~ s/^:(#[^:]+|global)//i) {
$from = $1;
$from = '.*' if lc $from eq 'global';
}
my $recurse = 0;
ALIAS:
my @factoids = $self->find_factoid($from, $var, exact_channel => 2, exact_trigger => 2);
if (not @factoids or not $factoids[0]) {
$result .= $extract_method eq 'bracket' ? '${' . $var . '}' : '$' . $var;
next;
}
my $var_chan;
($var_chan, $var) = ($factoids[0]->[0], $factoids[0]->[1]);
if ($self->{factoids}->get_data($var_chan, $var, 'action') =~ m{^/call (.*)}ms) {
$var = $1;
if (++$recurse > 100) {
$self->{pbot}->{logger}->log("Factoids: variable expansion recursion limit reached\n");
$result .= $extract_method eq 'bracket' ? '${' . $var . '}' : '$' . $var;
next;
}
goto ALIAS;
}
my $copy = $rest;
my %settings = $self->parse_expansion_modifiers(\$copy);
if ($self->{factoids}->get_data($var_chan, $var, 'type') eq 'text') {
my $change = $self->{factoids}->get_data($var_chan, $var, 'action');
my @list = $self->{pbot}->{interpreter}->split_line($change);
my @replacements;
if (wantarray) {
@replacements = $self->select_item($context, join ('|', @list), \$rest, %opts);
return @replacements;
} else {
push @replacements, scalar $self->select_item($context, join ('|', @list), \$rest, %opts);
}
my $replacement = $opts{nested} ? join('|', @replacements) : "@replacements";
if (not length $replacement) {
$result =~ s/\s+$//;
} else {
$replacement = $self->expand_factoid_vars($context, $replacement, %opts);
}
if ($settings{'uc'}) { $replacement = uc $replacement; }
if ($settings{'lc'}) { $replacement = lc $replacement; }
if ($settings{'ucfirst'}) { $replacement = ucfirst $replacement; }
if ($settings{'title'}) {
$replacement = ucfirst lc $replacement;
$replacement =~ s/ (\w)/' ' . uc $1/ge;
}
if ($settings{'json'}) { $replacement = $self->escape_json($replacement); }
if ($result =~ s/\b(a|an)(\s+)$//i) {
my ($article, $trailing) = ($1, $2);
my $fixed_article = select_indefinite_article $replacement;
if ($article eq 'AN') {
$fixed_article = uc $fixed_article;
} elsif ($article eq 'An' or $article eq 'A') {
$fixed_article = ucfirst $fixed_article;
}
$replacement = $fixed_article . $trailing . $replacement;
}
$result .= $replacement;
$expansions++;
} else {
$result .= $extract_method eq 'bracket' ? '${' . $var . '}' : '$' . $var;
}
}
last if $matches == 0 or $expansions == 0;
if (not length $rest) {
$rest = $result;
$result = '';
}
}
$result .= $rest;
$result = $self->expand_special_vars($from, $nick, $root_keyword, $result);
# unescape certain symbols
$result =~ s/(?<!\\)\\([\$\:\|])/$1/g;
return validate_string($result, $self->{pbot}->{registry}->get_value('factoids', 'max_content_length'));
}
sub expand_action_arguments {
my ($self, $action, $input, $nick) = @_;
$action = validate_string($action, $self->{pbot}->{registry}->get_value('factoids', 'max_content_length'));
$input = validate_string($input, $self->{pbot}->{registry}->get_value('factoids', 'max_content_length'));
my %h;
if (not defined $input or $input eq '') { %h = (args => $nick); }
else { %h = (args => $input); }
my $jsonargs = to_json \%h;
$jsonargs =~ s/^{".*":"//;
$jsonargs =~ s/"}$//;
if (not defined $input or $input eq '') {
$input = "";
$action =~ s/\$args:json|\$\{args:json\}/$jsonargs/ge;
$action =~ s/\$args(?![[\w])|\$\{args(?![[\w])\}/$nick/g;
} else {
$action =~ s/\$args:json|\$\{args:json\}/$jsonargs/g;
$action =~ s/\$args(?![[\w])|\$\{args(?![[\w])\}/$input/g;
}
my @args = $self->{pbot}->{interpreter}->split_line($input);
$action =~ s/\$arglen\b|\$\{arglen\}/scalar @args/eg;
my $depth = 0;
my $const_action = $action;
while ($const_action =~ m/\$arg\[([^]]+)]|\$\{arg\[([^]]+)]\}/g) {
my $arg = defined $2 ? $2 : $1;
last if ++$depth >= 100;
if ($arg eq '*') {
if (not defined $input or $input eq '') { $action =~ s/\$arg\[\*\]|\$\{arg\[\*\]\}/$nick/; }
else { $action =~ s/\$arg\[\*\]|\$\{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\[$arg1:$arg2\]\}// || $action =~ s/\s*\$arg\[$arg1:$arg2\]//; }
else { $action =~ s/\$\{arg\[$arg1:$arg2\]\}/$string/ || $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/ || $action =~ s/\$arg\[$arg\]/$nick/; }
else { $action =~ s/\s*\$\{arg\[$arg\]\}// || $action =~ s/\s*\$arg\[$arg\]//; }
} else {
$action =~ s/\$arg\{\[$arg\]\}/$value/ || $action =~ s/\$arg\[$arg\]/$value/;
}
}
}
return $action;
}
sub escape_json {
my ($self, $text) = @_;
my $thing = {thing => $text};
my $json = to_json $thing;
$json =~ s/^{".*":"//;
$json =~ s/"}$//;
return $json;
}
sub expand_special_vars {
my ($self, $from, $nick, $root_keyword, $action) = @_;
$action =~ s/(?<!\\)\$nick:json|(?<!\\)\$\{nick:json\}/$self->escape_json($nick)/ge;
$action =~ s/(?<!\\)\$channel:json|(?<!\\)\$\{channel:json\}/$self->escape_json($from)/ge;
$action =~
s/(?<!\\)\$randomnick:json|(?<!\\)\$\{randomnick:json\}/my $random = $self->{pbot}->{nicklist}->random_nick($from); $random ? $self->escape_json($random) : $self->escape_json($nick)/ge;
$action =~ s/(?<!\\)\$0:json|(?<!\\)\$\{0:json\}/$self->escape_json($root_keyword)/ge;
$action =~ s/(?<!\\)\$nick|(?<!\\)\$\{nick\}/$nick/g;
$action =~ s/(?<!\\)\$channel|(?<!\\)\$\{channel\}/$from/g;
$action =~ s/(?<!\\)\$randomnick|(?<!\\)\$\{randomnick\}/my $random = $self->{pbot}->{nicklist}->random_nick($from); $random ? $random : $nick/ge;
$action =~ s/(?<!\\)\$0\b|(?<!\\)\$\{0\}\b/$root_keyword/g;
return validate_string($action, $self->{pbot}->{registry}->get_value('factoids', 'max_content_length'));
}
sub execute_code_factoid_using_vm {
my ($self, $context) = @_;
unless ($self->{factoids}->exists($context->{channel}, $context->{keyword}, 'interpolate')
and $self->{factoids}->get_data($context->{channel}, $context->{keyword}, 'interpolate') eq '0')
{
if ($context->{code} =~ m/(?:\$\{?nick\b|\$\{?args\b|\$\{?arg\[)/ and length $context->{arguments}) {
$context->{nickprefix_disabled} = 1;
} else {
$context->{nickprefix_disabled} = 0;
}
$context->{code} = $self->expand_factoid_vars($context, $context->{code});
if ($self->{factoids}->get_data($context->{channel}, $context->{keyword}, 'allow_empty_args')) {
$context->{code} = $self->expand_action_arguments($context->{code}, $context->{arguments}, '');
} else {
$context->{code} = $self->expand_action_arguments($context->{code}, $context->{arguments}, $context->{nick});
}
} else {
# otherwise allow nick overriding
$context->{nickprefix_disabled} = 0;
}
# set up `compiler` module arguments
my %args = (
nick => $context->{nick},
channel => $context->{from},
lang => $context->{lang},
code => $context->{code},
arguments => $context->{arguments},
factoid => "$context->{channel}:$context->{keyword}",
);
# the vm can persist filesystem data to external storage identified by a key.
# if the `persist-key` factoid metadata is set, then use this key.
my $persist_key = $self->{factoids}->get_data($context->{channel}, $context->{keyword}, 'persist-key');
if (defined $persist_key) {
$args{'persist-key'} = $persist_key;
}
# encode args to utf8 json string
my $json = encode_json \%args;
# update context details
$context->{special} = 'code-factoid'; # ensure handle_result(), etc, process this as a code-factoid
$context->{root_channel} = $context->{channel}; # override root channel to current channel
$context->{keyword} = 'compiler'; # code-factoid uses `compiler` command to invoke vm
$context->{arguments} = $json; # set arguments to json string as `compiler` wants
$context->{args_utf8} = 1; # arguments are utf8 encoded by encode_json
# launch the `compiler` module
$self->{pbot}->{modules}->execute_module($context);
# return empty string since the module process reader will
# pass the output along to the result handler
return '';
}
sub execute_code_factoid {
my ($self, @args) = @_;
# this sub used to contain an if-clause that selected
# an alternative method of executing code factoids.
# now it only uses the vm. maybe one day...
return $self->execute_code_factoid_using_vm(@args);
}
# main entry point for PBot::Interpreter to interpret a factoid command
sub interpreter {
my ($self, $context) = @_;
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 $context);
}
return undef if not length $context->{keyword} or $context->{interpret_depth} > $self->{pbot}->{registry}->get_value('interpreter', 'max_recursion');
$context->{from} = lc $context->{from};
my $strictnamespace = $self->{pbot}->{registry}->get_value($context->{from}, 'strictnamespace');
if (not defined $strictnamespace) { $strictnamespace = $self->{pbot}->{registry}->get_value('general', 'strictnamespace'); }
# search for factoid against global channel and current channel (from unless ref_from is defined)
my $original_keyword = $context->{keyword};
my ($channel, $keyword) =
$self->find_factoid($context->{ref_from} ? $context->{ref_from} : $context->{from}, $context->{keyword}, arguments => $context->{arguments}, exact_channel => 1);
if (not $context->{ref_from} or $context->{ref_from} eq '.*' or $context->{ref_from} eq $context->{from}) { $context->{ref_from} = ""; }
if (defined $channel and not $channel eq '.*' and not $channel eq lc $context->{from}) { $context->{ref_from} = $channel; }
$context->{arguments} = "" if not defined $context->{arguments};
# factoid > nick redirection
my $nick_regex = $self->{pbot}->{registry}->get_value('regex', 'nickname');
if ($context->{arguments} =~ s/> ($nick_regex)$//) {
my $rcpt = $1;
if ($self->{pbot}->{nicklist}->is_present($context->{from}, $rcpt)) {
$context->{nickprefix} = $rcpt;
$context->{nickprefix_forced} = 1;
} else {
$context->{arguments} .= "> $rcpt";
}
}
# if no match found, attempt to call factoid from another channel if it exists there
if (not defined $keyword) {
my $string = "$original_keyword $context->{arguments}";
my @chanlist = ();
my ($fwd_chan, $fwd_trig);
unless ($strictnamespace) {
# build list of which channels contain the keyword, keeping track of the last one and count
foreach my $factoid ($self->{factoids}->get_all("index2 = $original_keyword", 'index1', 'type')) {
next if $factoid->{type} ne 'text' and $factoid->{type} ne 'module';
push @chanlist, $self->{factoids}->get_data($factoid->{index1}, '_name');
$fwd_chan = $factoid->{index1};
$fwd_trig = $original_keyword;
}
}
my $ref_from = $context->{ref_from} ? "[$context->{ref_from}] " : "";
# if multiple channels have this keyword, then ask user to disambiguate
if (@chanlist> 1) {
return undef if $context->{referenced};
return $ref_from . "Ambiguous keyword '$original_keyword' exists in multiple channels (use 'fact <channel> $original_keyword' to choose one): " . join(', ', @chanlist);
}
# if there's just one other channel that has this keyword, trigger that instance
elsif (@chanlist == 1) {
$pbot->{logger}->log("Found '$original_keyword' as '$fwd_trig' in [$fwd_chan]\n");
$context->{keyword} = $fwd_trig;
$context->{interpret_depth}++;
$context->{ref_from} = $fwd_chan;
return $pbot->{factoids}->interpreter($context);
}
# otherwise keyword hasn't been found, display similiar matches for all channels
else {
my $namespace = $strictnamespace ? $context->{from} : '.*';
$namespace = '.*' if $namespace !~ /^#/;
my $namespace_regex = $namespace;
if ($strictnamespace) { $namespace_regex = "(?:" . (quotemeta $namespace) . '|\\.\\*)'; }
$context->{arguments} = quotemeta($original_keyword) . " -channel $namespace_regex";
my $matches = $self->{commands}->cmd_factfind($context);
# found factfind matches
if ($matches !~ m/^No factoids/) {
return undef if $context->{referenced};
return "No such factoid '$original_keyword'; $matches";
}
# otherwise find levenshtein closest matches
$matches = $self->{factoids}->levenshtein_matches($namespace, lc $original_keyword, 0.50, $strictnamespace);
# if a non-nick argument was supplied, e.g., a sentence using the bot's nick, /msg the error to the caller
if (length $context->{arguments} and not $self->{pbot}->{nicklist}->is_present($context->{from}, $context->{arguments})) {
$context->{send_msg_to_caller} = 1;
}
# /msg the caller if nothing similiar was found
$context->{send_msg_to_caller} = 1 if $matches eq 'none';
$context->{send_msg_to_caller} = 1 if $context->{referenced};
my $msg_caller = '';
$msg_caller = "/msg $context->{nick} " if $context->{send_msg_to_caller};
my $ref_from = $context->{ref_from} ? "[$context->{ref_from}] " : "";
if ($matches eq 'none') {
return $msg_caller . $ref_from . "No such factoid '$original_keyword'; no similar matches.";
} else {
return $msg_caller . $ref_from . "No such factoid '$original_keyword'; did you mean $matches?";
}
}
}
my $channel_name = $self->{factoids}->get_data($channel, '_name');
my $trigger_name = $self->{factoids}->get_data($channel, $keyword, '_name');
$channel_name = 'global' if $channel_name eq '.*';
$trigger_name = "\"$trigger_name\"" if $trigger_name =~ / /;
$context->{keyword} = $keyword;
$context->{trigger} = $keyword;
$context->{channel} = $channel;
$context->{original_keyword} = $original_keyword;
$context->{channel_name} = $channel_name;
$context->{trigger_name} = $trigger_name;
return undef if $context->{referenced} and $self->{factoids}->get_data($channel, $keyword, 'noembed');
if ($self->{factoids}->get_data($channel, $keyword, 'locked_to_channel')) {
if ($context->{ref_from} ne "") { # called from another channel
return "$trigger_name may be invoked only in $context->{ref_from}.";
}
}
if ($context->{interpret_depth} <= 1 and $self->{factoids}->get_data($channel, $keyword, 'last_referenced_in') eq $context->{from}) {
my $ratelimit = $self->{pbot}->{registry}->get_value($context->{from}, 'ratelimit_override');
$ratelimit = $self->{factoids}->get_data($channel, $keyword, 'rate_limit') if not defined $ratelimit;
if (gettimeofday - $self->{factoids}->get_data($channel, $keyword, 'last_referenced_on') < $ratelimit) {
my $ref_from = $context->{ref_from} ? "[$context->{ref_from}] " : "";
return
"/msg $context->{nick} $ref_from'$trigger_name' is rate-limited; try again in "
. duration($ratelimit - int(gettimeofday - $self->{factoids}->get_data($channel, $keyword, 'last_referenced_on'))) . "."
unless $self->{pbot}->{users}->loggedin_admin($channel, "$context->{nick}!$context->{user}\@$context->{host}");
}
}
my $ref_count = $self->{factoids}->get_data($channel, $keyword, 'ref_count');
my $update_data = {
ref_count => ++$ref_count,
ref_user => "$context->{nick}!$context->{user}\@$context->{host}",
last_referenced_on => scalar gettimeofday,
last_referenced_in => $context->{from} || 'stdin',
};
$self->{factoids}->add($channel, $keyword, $update_data, 1, 1);
my $action;
if ($self->{factoids}->exists($channel, $keyword, 'usage') and not length $context->{arguments} and $self->{factoids}->get_data($channel, $keyword, 'requires_arguments')) {
$context->{alldone} = 1;
my $usage = $self->{factoids}->get_data($channel, $keyword, 'usage');
$usage =~ s/(?<!\\)\$0|(?<!\\)\$\{0\}/$trigger_name/g;
return $usage;
}
if (length $context->{arguments} and $self->{factoids}->exists($channel, $keyword, 'action_with_args')) {
$action = $self->{factoids}->get_data($channel, $keyword, 'action_with_args');
} else {
$action = $self->{factoids}->get_data($channel, $keyword, 'action');
}
if ($action =~ m{^/code\s+([^\s]+)\s+(.+)$}msi) {
my ($lang, $code) = ($1, $2);
if ($self->{factoids}->exists($channel, $keyword, 'usage') and not length $context->{arguments}) {
$context->{alldone} = 1;
my $usage = $self->{factoids}->get_data($channel, $keyword, 'usage');
$usage =~ s/(?<!\\)\$0|(?<!\\)\$\{0\}/$trigger_name/g;
return $usage;
}
$context->{lang} = $lang;
$context->{code} = $code;
$self->execute_code_factoid($context);
return "";
}
if ($self->{factoids}->get_data($channel, $keyword, 'background-process')) {
my $timeout = $self->{factoids}->get_data($channel, $keyword, 'process-timeout') // $self->{pbot}->{registry}->get_value('processmanager', 'default_timeout');
$self->{pbot}->{process_manager}->execute_process(
$context,
sub { $context->{result} = $self->handle_action($context, $action); },
$timeout
);
return "";
} else {
return $self->handle_action($context, $action);
}
}
sub handle_action {
my ($self, $context, $action) = @_;
if ($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 $context);
}
return "" if not length $action;
my ($channel, $keyword) = ($context->{channel}, $context->{trigger});
my ($channel_name, $trigger_name) = ($context->{channel_name}, $context->{trigger_name});
my $ref_from = '';
unless ($context->{pipe} or $context->{subcmd}) {
$ref_from = $context->{ref_from} ? "[$context->{ref_from}] " : '';
}
unless ($self->{factoids}->exists($channel, $keyword, 'interpolate') and $self->{factoids}->get_data($channel, $keyword, 'interpolate') eq '0') {
my ($root_channel, $root_keyword) =
$self->find_factoid($context->{ref_from} ? $context->{ref_from} : $context->{from}, $context->{root_keyword}, arguments => $context->{arguments}, exact_channel => 1);
if (not defined $root_channel or not defined $root_keyword) {
$root_channel = $channel;
$root_keyword = $keyword;
}
if (not length $context->{keyword_override} and length $self->{factoids}->get_data($root_channel, $root_keyword, 'keyword_override')) {
$context->{keyword_override} = $self->{factoids}->get_data($root_channel, $root_keyword, 'keyword_override');
}
$action = $self->expand_factoid_vars($context, $action);
}
if (length $context->{arguments}) {
if ($action =~ m/\$\{?args/ or $action =~ m/\$\{?arg\[/) {
unless (defined $self->{factoids}->get_data($channel, $keyword, 'interpolate') and $self->{factoids}->get_data($channel, $keyword, 'interpolate') eq '0') {
$action = $self->expand_action_arguments($action, $context->{arguments}, $context->{nick});
}
$context->{arguments} = "";
$context->{original_arguments} = "";
} else {
if ($self->{factoids}->get_data($channel, $keyword, 'type') eq 'text') {
my $target = $self->{pbot}->{nicklist}->is_present_similar($context->{from}, $context->{arguments});
if ($target and $action !~ /\$\{?(?:nick|args)\b/) {
$context->{nickprefix} = $target unless $context->{nickprefix_forced};
$context->{nickprefix_disabled} = 0;
}
}
}
} else {
# no arguments supplied, replace $args with $nick/$tonick, etc
if ($self->{factoids}->exists($channel, $keyword, 'usage')) {
$action = "/say " . $self->{factoids}->get_data($channel, $keyword, 'usage');
$action =~ s/(?<!\\)\$0|(?<!\\)\$\{0\}/$trigger_name/g;
$context->{alldone} = 1;
} else {
if ($self->{factoids}->get_data($channel, $keyword, 'allow_empty_args')) {
$action = $self->expand_action_arguments($action, undef, '');
} else {
$action = $self->expand_action_arguments($action, undef, $context->{nick});
}
}
$context->{nickprefix_disabled} = 0;
}
# Check if it's an alias
if ($action =~ /^\/call\s+(.*)$/msi) {
my $command = $1;
$command =~ s/\n$//;
unless ($self->{factoids}->get_data($channel, $keyword, 'require_explicit_args')) {
my $args = $context->{arguments};
$command .= " $args" if length $args and not $context->{special} eq 'code-factoid';
$context->{arguments} = '';
}
unless ($self->{factoids}->get_data($channel, $keyword, 'no_keyword_override')) {
if ($command =~ s/\s*--keyword-override=([^ ]+)\s*//) { $context->{keyword_override} = $1; }
}
$context->{command} = $command;
$context->{aliased} = 1;
$self->{pbot}->{logger}
->log("[" . (defined $context->{from} ? $context->{from} : "stdin") . "] ($context->{nick}!$context->{user}\@$context->{host}) $trigger_name aliased to: $command\n");
if (defined $self->{factoids}->get_data($channel, $keyword, 'cap-override')) {
if ($self->{factoids}->get_data($channel, $keyword, 'locked')) {
$self->{pbot}->{logger}->log("Capability override set to " . $self->{factoids}->get_data($channel, $keyword, 'cap-override') . "\n");
$context->{'cap-override'} = $self->{factoids}->get_data($channel, $keyword, 'cap-override');
} else {
$self->{pbot}->{logger}->log("Ignoring cap-override of " . $self->{factoids}->get_data($channel, $keyword, 'cap-override') . " on unlocked factoid\n");
}
}
return $self->{pbot}->{interpreter}->interpret($context);
}
$self->{pbot}->{logger}
->log("(" . (defined $context->{from} ? $context->{from} : "(undef)") . "): $context->{nick}!$context->{user}\@$context->{host}: $trigger_name: action: \"$action\"\n");
my $enabled = $self->{factoids}->get_data($channel, $keyword, 'enabled');
if (defined $enabled and $enabled == 0) {
$self->{pbot}->{logger}->log("$trigger_name disabled.\n");
return "/msg $context->{nick} ${ref_from}$trigger_name is currently disabled.";
}
unless ($self->{factoids}->exists($channel, $keyword, 'interpolate') and $self->{factoids}->get_data($channel, $keyword, 'interpolate') eq '0') {
my ($root_channel, $root_keyword) =
$self->find_factoid($context->{ref_from} ? $context->{ref_from} : $context->{from}, $context->{root_keyword}, arguments => $context->{arguments}, exact_channel => 1);
if (not defined $root_channel or not defined $root_keyword) {
$root_channel = $channel;
$root_keyword = $keyword;
}
if (not length $context->{keyword_override} and length $self->{factoids}->get_data($root_channel, $root_keyword, 'keyword_override')) {
$context->{keyword_override} = $self->{factoids}->get_data($root_channel, $root_keyword, 'keyword_override');
}
$action = $self->expand_factoid_vars($context, $action);
if ($self->{factoids}->get_data($channel, $keyword, 'allow_empty_args')) {
$action = $self->expand_action_arguments($action, $context->{arguments}, '');
} else {
$action = $self->expand_action_arguments($action, $context->{arguments}, $context->{nick});
}
}
return $action if $context->{special} eq 'code-factoid';
if ($self->{factoids}->get_data($channel, $keyword, 'type') eq 'module') {
my $preserve_whitespace = $self->{factoids}->get_data($channel, $keyword, 'preserve_whitespace');
$preserve_whitespace = 0 if not defined $preserve_whitespace;
$context->{preserve_whitespace} = $preserve_whitespace;
$context->{root_keyword} = $keyword unless defined $context->{root_keyword};
$context->{root_channel} = $channel;
my $result = $self->{pbot}->{modules}->execute_module($context);
if (length $result) {
return $ref_from . $result;
} else {
return "";
}
} elsif ($self->{factoids}->get_data($channel, $keyword, 'type') eq 'text') {
# Don't allow user-custom /msg factoids, unless factoid triggered by admin
if ($action =~ m/^\/msg/i) {
if (not $self->{pbot}->{users}->loggedin_admin($context->{from}, $context->{hostmask})) {
$self->{pbot}->{logger}->log("[ABUSE] Bad factoid (starts with /msg): $action\n");
return "You must be an admin to use /msg.";
}
}
if ($ref_from) {
if ( $action =~ s/^\/say\s+/$ref_from/i
|| $action =~ s/^\/me\s+(.*)/\/me $1 $ref_from/i
|| $action =~ s/^\/msg\s+([^ ]+)/\/msg $1 $ref_from/i
) {
return $action;
} else {
return $ref_from . "$trigger_name is $action";
}
} else {
if ($action =~ m/^\/(?:say|me|msg)/i) { return $action; }
else { return "/say $trigger_name is $action"; }
}
} elsif ($self->{factoids}->get_data($channel, $keyword, 'type') eq 'regex') {
my $result = eval {
my $string = "$context->{original_keyword}" . (defined $context->{arguments} ? " $context->{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;
}
$context->{command} = $cmd;
return $self->{pbot}->{interpreter}->interpret($context);
};
if ($@) {
$self->{pbot}->{logger}->log("Regex fail: $@\n");
return "";
}
if (length $result) { return $ref_from . $result; }
else { return ""; }
} else {
$self->{pbot}->{logger}->log("($context->{from}): $context->{nick}!$context->{user}\@$context->{host}): Unknown command type for '$trigger_name'\n");
return "/me blinks." . " $ref_from";
}
}
1;