# 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 $] >= 5.018, warnings => "experimental::smartmatch"; use HTML::Entities; use Time::HiRes qw(gettimeofday); use Time::Duration qw(duration); use Carp (); use POSIX qw(strftime); use Text::ParseWords; use JSON; use PPI; use Safe; use PBot::VERSION qw/version/; use PBot::FactoidCommands; use PBot::FactoidModuleLauncher; use PBot::DualIndexHashObject; use PBot::Utils::Indefinite; use PBot::Utils::ValidateString; sub new { if(ref($_[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}->{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->{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} }) { $self->{pbot}->{logger}->log("Missing type for $channel->$trigger\n") if not $self->{factoids}->hash->{$channel}->{$trigger}->{type}; $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; my $version = version(); $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 "\n\n"; print FILE '' . "\n"; print FILE '' . "\n"; print FILE '' . "\n"; print FILE "\nLast updated at $time\n"; print FILE "

Candide's factoids

\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' : $channel; print FILE "" . encode_entities($chan) . "
\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 "\n"; print FILE "
\n

" . encode_entities($chan) . "

\n
\n"; print FILE "\n"; print FILE "\n\n"; print FILE "\n"; print FILE "\n"; print FILE "\n"; print FILE "\n"; print FILE "\n"; print FILE "\n"; print FILE "\n"; print FILE "\n"; print FILE "\n\n\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 "\n"; } else { print FILE "\n"; } print FILE "\n"; print FILE "\n"; print FILE "\n"; my $action = $self->{factoids}->hash->{$channel}->{$trigger}->{action}; if ($action =~ m/https?:\/\/[^ ]+/) { $action =~ s/(.*?)http(s?:\/\/[^ ]+)/encode_entities($1) . "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) . "http" . encode_entities($2) . "<\/a>"/ge; $with_args =~ s/(.*)<\/a>(.*$)/"$1<\/a>" . encode_entities($2)/e; print FILE "\n"; } else { print FILE "\n"; } if(exists $self->{factoids}->hash->{$channel}->{$trigger}->{edited_by}) { print FILE "\n"; print FILE "\n"; } else { print FILE "\n"; print FILE "\n"; } print FILE "\n"; if(exists $self->{factoids}->hash->{$channel}->{$trigger}->{last_referenced_on}) { print FILE "\n"; } else { print FILE "\n"; } print FILE "\n"; } } print FILE "\n
ownercreated ontimes referencedfactoidlast edited byedited datelast referenced bylast referenced date
" . encode_entities($self->{factoids}->hash->{$channel}->{$trigger}->{owner}) . "" . encode_entities(strftime "%Y/%m/%d %H:%M:%S", localtime $self->{factoids}->hash->{$channel}->{$trigger}->{created_on}) . "" . $self->{factoids}->hash->{$channel}->{$trigger}->{ref_count} . "" . encode_entities($trigger) . " is $action

with_args: " . encode_entities($with_args) . "
" . encode_entities($trigger) . " is $action" . $self->{factoids}->hash->{$channel}->{$trigger}->{edited_by} . "" . encode_entities(strftime "%Y/%m/%d %H:%M:%S", localtime $self->{factoids}->hash->{$channel}->{$trigger}->{edited_on}) . "" . encode_entities($self->{factoids}->hash->{$channel}->{$trigger}->{ref_user}) . "" . encode_entities(strftime "%Y/%m/%d %H:%M:%S", localtime $self->{factoids}->hash->{$channel}->{$trigger}->{last_referenced_on}) . "
\n"; } print FILE "
$i factoids memorized.
"; print FILE "
Last updated at $time\n"; print FILE "\n"; print FILE "\n\n"; close(FILE); #$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 $debug; if ($keyword =~ /^([^ ]+) (.*)/) { $self->{pbot}->{logger}->log("chopping keyword\n"); $keyword = $1; $arguments = $2; } 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, $self->{pbot}->{registry}->get_value('factoids', 'max_content_length')); } sub expand_factoid_vars { my ($self, $from, $nick, $root_keyword, $action, @exclude) = @_; $root_keyword = lc $root_keyword; my $debug = 0; my $depth = 0; while (1) { last if ++$depth >= 100; my $offset = 0; my $matches = 0; $action =~ s/\$0/$root_keyword/g; my $const_action = $action; while ($const_action =~ /(\ba\s*|\ban\s*)?(?= 100; $self->{pbot}->{logger}->log("v: [$v]\n") if $debug; $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/; $mylist[$line] = "$fixed_a $mylist[$line]"; } if (not length $mylist[$line]) { $self->{pbot}->{logger}->log("No length!\n") if $debug; if ($debug) { $self->{pbot}->{logger}->log("before: v: $v, offset: $offset\n"); $self->{pbot}->{logger}->log("$action\n"); $self->{pbot}->{logger}->log((" " x $offset) . "^\n"); } substr($action, $offset) =~ s/\s*$a\$$v$modifier//; $offset += $-[0]; if ($debug) { $self->{pbot}->{logger}->log("after: \$-[0]: $-[0], offset: $offset, r: EMPTY\n"); $self->{pbot}->{logger}->log("$action\n"); $self->{pbot}->{logger}->log((" " x $offset) . "^\n"); } } else { if ($debug) { $self->{pbot}->{logger}->log("before: v: $v, offset: $offset\n"); $self->{pbot}->{logger}->log("$action\n"); $self->{pbot}->{logger}->log((" " x $offset) . "^\n"); } substr($action, $offset) =~ s/$a\$$v$modifier/$mylist[$line]/; $offset += $-[0] + length $mylist[$line]; if ($debug) { $self->{pbot}->{logger}->log("after: \$-[0]: $-[0], offset: $offset, r: $mylist[$line]\n"); $self->{pbot}->{logger}->log("$action\n"); $self->{pbot}->{logger}->log((" " x $offset) . "^\n"); } } } } last if $matches == 0; } $action =~ s/\\\$/\$/g; unless (@exclude) { $action = $self->expand_special_vars($from, $nick, $root_keyword, $action); } return validate_string($action, $self->{pbot}->{registry}->get_value('factoids', 'max_content_length')); } sub expand_action_arguments { my ($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); } # 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, $self->{pbot}->{registry}->get_value('factoids', 'max_content_length')); } 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}}->{$stuff->{keyword}}->{interpolate} eq '0') { if ($stuff->{code} =~ m/(?:\$nick\b|\$args\b|\$arg\[)/ and length $stuff->{arguments}) { $stuff->{no_nickoverride} = 1; } else { $stuff->{no_nickoverride} = 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}); } else { $stuff->{no_nickoverride} = 0; } 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}; my $strictnamespace = $self->{pbot}->{registry}->get_value($stuff->{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 = $stuff->{keyword}; # $self->{pbot}->{logger}->log("calling find_factoid in Factoids.pm, interpreter()\n"); my ($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 '.*' or $stuff->{ref_from} eq $stuff->{from}) { $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; } } } my $ref_from = $stuff->{ref_from} ? "[$stuff->{ref_from}] " : ""; # if multiple channels have this keyword, then ask user to disambiguate if ($found > 1) { return undef if $stuff->{referenced}; return $ref_from . "Ambiguous keyword '$original_keyword' exists in multiple channels (use 'fact ' 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 $namespace = $strictnamespace ? $stuff->{from} : '.*'; $namespace = '.*' if $namespace !~ /^#/; my $namespace_regex = $namespace; if ($strictnamespace) { $namespace_regex = "(?:" . (quotemeta $namespace) . '|\\.\\*)'; } my $matches = $self->{commands}->factfind($stuff->{from}, $stuff->{nick}, $stuff->{user}, $stuff->{host}, quotemeta($original_keyword) . " -channel $namespace_regex"); # found factfind matches if ($matches !~ m/^No factoids/) { return undef if $stuff->{referenced}; return "No such factoid '$original_keyword'; $matches"; } # otherwise find levenshtein closest matches $matches = $self->{factoids}->levenshtein_matches($namespace, lc $original_keyword, 0.50, $strictnamespace); # don't say anything if nothing similiar was found return undef if $matches eq 'none'; return undef if $stuff->{referenced}; my $ref_from = $stuff->{ref_from} ? "[$stuff->{ref_from}] " : ""; return $ref_from . "No such factoid '$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) { my $ref_from = $stuff->{ref_from} ? "[$stuff->{ref_from}] " : ""; return "/msg $stuff->{nick} $ref_from'$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}"); } } } } $self->{factoids}->hash->{$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}); my $keyword_text = $keyword =~ / / ? "\"$keyword\"" : $keyword; my $ref_from = $stuff->{ref_from} ? "[$stuff->{ref_from}] " : ""; unless (exists $self->{factoids}->hash->{$channel}->{$keyword}->{interpolate} and $self->{factoids}->hash->{$channel}->{$keyword}->{interpolate} eq '0') { my ($root_channel, $root_keyword) = $self->find_factoid($stuff->{ref_from} ? $stuff->{ref_from} : $stuff->{from}, $stuff->{root_keyword}, $stuff->{arguments}, 1); if (not defined $root_channel or not defined $root_keyword) { $root_channel = $channel; $root_keyword = $keyword; } my $kw = length $self->{factoids}->hash->{$root_channel}->{$root_keyword}->{keyword_override} ? $self->{factoids}->hash->{$root_channel}->{$root_keyword}->{keyword_override} : $stuff->{root_keyword}; $kw = $stuff->{keyword_override} if length $stuff->{keyword_override}; $action = $self->expand_factoid_vars($stuff->{from}, $stuff->{nick}, $kw, $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->{no_nickoverride} = 1; } else { $stuff->{no_nickoverride} = 0; } $stuff->{arguments} = ""; $stuff->{original_arguments} = ""; } else { if ($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}; $stuff->{no_nickoverride} = 0; } else { $stuff->{no_nickoverride} = 1; } } } } else { # no arguments supplied, replace $args with $nick/$tonick, etc $action = $self->expand_action_arguments($action, undef, $stuff->{nick}); $stuff->{no_nickoverride} = 0; } # Check if it's an alias if ($action =~ /^\/call\s+(.*)$/) { my $command = $1; $command .= " $stuff->{original_arguments}" if length $stuff->{original_arguments} and not $stuff->{aliased} and not $stuff->{special} eq 'code-factoid'; if ($command =~ s/\s*--keyword-override=([^ ]+)\s*//) { $stuff->{keyword_override} = $1; } $stuff->{command} = $command; $stuff->{aliased} = 1; $self->{pbot}->{logger}->log("[" . (defined $stuff->{from} ? $stuff->{from} : "stdin") . "] ($stuff->{nick}!$stuff->{user}\@$stuff->{host}) [$keyword_text] aliased to: [$command]\n"); return $self->{pbot}->{interpreter}->interpret($stuff); } $self->{pbot}->{logger}->log("(" . (defined $stuff->{from} ? $stuff->{from} : "(undef)") . "): $stuff->{nick}!$stuff->{user}\@$stuff->{host}: $keyword_text: action: \"$action\"\n"); if ($self->{factoids}->hash->{$channel}->{$keyword}->{enabled} == 0) { $self->{pbot}->{logger}->log("$keyword_text disabled.\n"); return "/msg $stuff->{nick} ${ref_from}$keyword_text is currently disabled."; } unless (exists $self->{factoids}->hash->{$channel}->{$keyword}->{interpolate} and $self->{factoids}->hash->{$channel}->{$keyword}->{interpolate} eq '0') { my ($root_channel, $root_keyword) = $self->find_factoid($stuff->{ref_from} ? $stuff->{ref_from} : $stuff->{from}, $stuff->{root_keyword}, $stuff->{arguments}, 1); if (not defined $root_channel or not defined $root_keyword) { $root_channel = $channel; $root_keyword = $keyword; } my $kw = length $self->{factoids}->hash->{$root_channel}->{$root_keyword}->{keyword_override} ? $self->{factoids}->hash->{$root_channel}->{$root_keyword}->{keyword_override} : $stuff->{root_keyword}; $kw = $stuff->{keyword_override} if length $stuff->{keyword_override}; $action = $self->expand_factoid_vars($stuff->{from}, $stuff->{nick}, $kw, $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 $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) { my $admin = $self->{pbot}->{admins}->loggedin($stuff->{from}, "$stuff->{nick}!$stuff->{user}\@$stuff->{host}"); if (not $admin or $admin->{level} < 60) { $self->{pbot}->{logger}->log("[ABUSE] Bad factoid (contains /msg): $action\n"); return "You are not powerful enough to do this."; } } if ($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 $ref_from . "$keyword_text 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_text 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_text 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 $ref_from . $result; } else { return ""; } } else { $self->{pbot}->{logger}->log("($stuff->{from}): $stuff->{nick}!$stuff->{user}\@$stuff->{host}): Unknown command type for '$keyword_text'\n"); return "/me blinks." . " $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;