mirror of
https://github.com/pragma-/pbot.git
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292 lines
9.4 KiB
Perl
292 lines
9.4 KiB
Perl
# File: Interpreter.pm
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# Author: pragma_
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#
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# Purpose:
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package PBot::Interpreter;
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use warnings;
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use strict;
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use base 'PBot::Registerable';
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use LWP::UserAgent;
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use Carp ();
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use vars qw($VERSION);
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$VERSION = '1.0.0';
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sub new {
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if(ref($_[1]) eq 'HASH') {
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Carp::croak("Options to Interpreter should be key/value pairs, not hash reference");
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}
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my ($class, %conf) = @_;
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my $self = bless {}, $class;
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$self->initialize(%conf);
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return $self;
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}
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sub initialize {
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my ($self, %conf) = @_;
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$self->SUPER::initialize(%conf);
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my $pbot = delete $conf{pbot};
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if(not defined $pbot) {
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Carp::croak("Missing pbot reference to PBot::Interpreter");
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}
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$self->{pbot} = $pbot;
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}
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sub paste_codepad {
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my $text = join(' ', @_);
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$text =~ s/(.{120})\s/$1\n/g;
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my $ua = LWP::UserAgent->new();
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$ua->agent("Mozilla/5.0");
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push @{ $ua->requests_redirectable }, 'POST';
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my %post = ( 'lang' => 'Plain Text', 'code' => $text, 'private' => 'True', 'submit' => 'Submit' );
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my $response = $ua->post("http://codepad.org", \%post);
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if(not $response->is_success) {
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return $response->status_line;
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}
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return $response->request->uri;
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}
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sub paste_sprunge {
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my $text = join(' ', @_);
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$text =~ s/(.{120})\s/$1\n/g;
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my $ua = LWP::UserAgent->new();
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$ua->agent("Mozilla/5.0");
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$ua->requests_redirectable([ ]);
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my %post = ( 'sprunge' => $text, 'submit' => 'Submit' );
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my $response = $ua->post("http://sprunge.us", \%post);
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if(not $response->is_success) {
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return $response->status_line;
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}
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my $result = $response->content;
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$result =~ s/^\s+//;
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$result =~ s/\s+$//;
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return $result;
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}
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sub process_line {
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my $self = shift;
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my ($from, $nick, $user, $host, $text) = @_;
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my $command;
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my $has_url;
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my $has_code;
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my $nick_override;
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my $mynick = $self->pbot->botnick;
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$from = lc $from if defined $from;
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my $pbot = $self->pbot;
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$pbot->antiflood->check_flood($from, $nick, $user, $host, $text, $pbot->{MAX_FLOOD_MESSAGES}, 10, $pbot->antiflood->{FLOOD_CHAT}) if defined $from;
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$text =~ s/^\s+//;
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$text =~ s/\s+$//;
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my $preserve_whitespace = 0;
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my $cmd_text = $text;
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$cmd_text =~ s/^\/me\s+//;
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if($cmd_text =~ /^$pbot->{trigger}?\s*{\s*(.*)\s*}\s*$/) {
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$has_code = $1 if length $1;
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$preserve_whitespace = 1;
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} elsif($cmd_text =~ /^\Q$pbot->{trigger}\E(.*)$/) {
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$command = $1;
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} elsif($cmd_text =~ /^.?$mynick.?\s+(.*?)$/i) {
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$command = $1;
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} elsif($cmd_text =~ /^(.*?),?\s+$mynick[?!.]*$/i) {
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$command = $1;
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} elsif($cmd_text =~ /https?:\/\/([^\s]+)/i) {
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$has_url = $1;
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} elsif($cmd_text =~ /^\s*([^,:\(\)\+\*\/ ]+)[,:]*\s*{\s*(.*)\s*}\s*$/) {
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$nick_override = $1;
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$has_code = $2 if length $2 and $nick_override ne 'enum' and $nick_override ne 'struct';
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$preserve_whitespace = 1;
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}
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if(defined $command || defined $has_url || defined $has_code) {
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if((defined $command && $command !~ /^login/i) || defined $has_url || defined $has_code) {
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if(defined $from && $pbot->ignorelist->check_ignore($nick, $user, $host, $from) && not $pbot->admins->loggedin($from, "$nick!$user\@$host")) {
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# ignored hostmask
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$pbot->logger->log("ignored text: [$from][$nick!$user\@$host\[$text\]\n");
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return;
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}
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}
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if(defined $has_url) {
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$self->{pbot}->factoids->{factoidmodulelauncher}->execute_module($from, undef, $nick, $user, $host, $text, "title", "$nick http://$has_url", $preserve_whitespace);
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} elsif(defined $has_code) {
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$self->{pbot}->factoids->{factoidmodulelauncher}->execute_module($from, undef, $nick, $user, $host, $text, "compiler_block", (defined $nick_override ? $nick_override : $nick) . " $from $has_code }", $preserve_whitespace);
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} else {
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$self->handle_result($from, $nick, $user, $host, $text, $command, $self->interpret($from, $nick, $user, $host, 1, $command), 1, $preserve_whitespace);
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}
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}
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}
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sub truncate_result {
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my ($self, $from, $nick, $text, $original_result, $result, $paste) = @_;
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if(length $result > $self->{pbot}->max_msg_len) {
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my $link;
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if($paste) {
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$link = paste_sprunge("[" . (defined $from ? $from : "stdin") . "] <$nick> $text\n\n$original_result");
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} else {
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$link = 'undef';
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}
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my $trunc = "... [truncated; see $link for full text.]";
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$self->{pbot}->logger->log("Message truncated -- pasted to $link\n") if $paste;
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my $trunc_len = length $result < $self->{pbot}->max_msg_len ? length $result : $self->{pbot}->max_msg_len;
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$result = substr($result, 0, $trunc_len);
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substr($result, $trunc_len - length $trunc) = $trunc;
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}
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return $result;
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}
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sub handle_result {
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my ($self, $from, $nick, $user, $host, $text, $command, $result, $checkflood, $preserve_whitespace) = @_;
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my ($pbot, $mynick) = ($self->{pbot}, $self->{pbot}->{botnick});
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if(not defined $result or length $result == 0) {
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return;
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}
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my $original_result = $result;
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$result =~ s/[\n\r]/ /g;
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if($preserve_whitespace == 0 && defined $command) {
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my ($cmd, $args) = split / /, $command, 2;
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#$self->{pbot}->logger->log("calling find_factoid in Interpreter.pm, process_line() for preserve_whitespace\n");
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my ($chan, $trigger) = $self->{pbot}->factoids->find_factoid($from, $cmd, $args, 0, 1);
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if(defined $trigger) {
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$preserve_whitespace = $self->{pbot}->factoids->factoids->hash->{$chan}->{$trigger}->{preserve_whitespace};
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$preserve_whitespace = 0 if not defined $preserve_whitespace;
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}
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}
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$result =~ s/\s+/ /g unless $preserve_whitespace;
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$result = $self->truncate_result($from, $nick, $text, $original_result, $result, 1);
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$pbot->logger->log("Final result: [$result]\n");
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if($result =~ s/^\/say\s+//i) {
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$pbot->conn->privmsg($from, $result) if defined $from && $from !~ /\Q$mynick\E/i;
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$pbot->antiflood->check_flood($from, $pbot->{botnick}, $pbot->{username}, 'localhost', $result, 0, 0, 0) if $checkflood;
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} elsif($result =~ s/^\/me\s+//i) {
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$pbot->conn->me($from, $result) if defined $from && $from !~ /\Q$mynick\E/i;
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$pbot->antiflood->check_flood($from, $pbot->{botnick}, $pbot->{username}, 'localhost', '/me ' . $result, 0, 0, 0) if $checkflood;
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} elsif($result =~ s/^\/msg\s+([^\s]+)\s+//i) {
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my $to = $1;
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if($to =~ /,/) {
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$pbot->logger->log("[HACK] Possible HACK ATTEMPT /msg multiple users: [$nick!$user\@$host] [$command] [$result]\n");
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}
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elsif($to =~ /.*serv$/i) {
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$pbot->logger->log("[HACK] Possible HACK ATTEMPT /msg *serv: [$nick!$user\@$host] [$command] [$result]\n");
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}
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elsif($result =~ s/^\/me\s+//i) {
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$pbot->conn->me($to, $result) if $to !~ /\Q$mynick\E/i;
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$pbot->antiflood->check_flood($to, $pbot->{botnick}, $pbot->{username}, 'localhost', '/me ' . $result, 0, 0, 0) if $checkflood;
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} else {
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$result =~ s/^\/say\s+//i;
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$pbot->conn->privmsg($to, $result) if $to !~ /\Q$mynick\E/i;
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$pbot->antiflood->check_flood($to, $pbot->{botnick}, $pbot->{username}, 'localhost', $result, 0, 0, 0) if $checkflood;
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}
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} else {
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$pbot->conn->privmsg($from, $result) if defined $from && $from !~ /\Q$mynick\E/i;
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$pbot->antiflood->check_flood($from, $pbot->{botnick}, $pbot->{username}, 'localhost', $result, 0, 0, 0) if $checkflood;
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}
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$pbot->logger->log("---------------------------------------------\n");
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}
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sub interpret {
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my $self = shift;
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my ($from, $nick, $user, $host, $count, $command, $tonick) = @_;
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my ($keyword, $arguments) = ("", "");
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my $text;
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my $pbot = $self->pbot;
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$pbot->logger->log("=== Enter interpret_command: [" . (defined $from ? $from : "(undef)") . "][$nick!$user\@$host][$count][$command]\n");
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return "Too many levels of recursion, aborted." if(++$count > 5);
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if(not defined $nick || not defined $user || not defined $host ||
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not defined $command) {
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$pbot->logger->log("Error 1, bad parameters to interpret_command\n");
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return undef;
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}
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if($command =~ /^tell\s+(.{1,20})\s+about\s+(.*?)\s+(.*)$/i)
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{
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($keyword, $arguments, $tonick) = ($2, $3, $1);
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} elsif($command =~ /^tell\s+(.{1,20})\s+about\s+(.*)$/i) {
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($keyword, $tonick) = ($2, $1);
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} elsif($command =~ /^([^ ]+)\s+is\s+also\s+(.*)$/i) {
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($keyword, $arguments) = ("change", "$1 s|\$| - $2|");
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} elsif($command =~ /^([^ ]+)\s+is\s+(.*)$/i) {
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my ($k, $a) = ($1, $2);
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$self->{pbot}->logger->log("calling find_factoid in Interpreter.pm, interpret() for factadd\n");
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my ($channel, $trigger) = $pbot->factoids->find_factoid($from, $k, $a, 1);
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if(defined $trigger) {
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($keyword, $arguments) = ($k, "is $a");
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} else {
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($keyword, $arguments) = ("factadd", (defined $from ? $from : '.*' ) . " $k is $a");
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}
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} elsif($command =~ /^(.*?)\s+(.*)$/) {
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($keyword, $arguments) = ($1, $2);
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} else {
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$keyword = $command;
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}
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if($keyword ne "factadd"
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and $keyword ne "add"
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and $keyword ne "factset"
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and $keyword ne "factchange"
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and $keyword ne "change"
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and $keyword ne "msg") {
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$keyword =~ s/(\w+)([?!.]+)$/$1/;
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$arguments =~ s/(\w+)([?!.]+)$/$1/;
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$arguments =~ s/(?<![\w\/\-])me\b/$nick/gi if defined $arguments;
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}
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if(defined $arguments && $arguments =~ m/^(your|him|her|its|it|them|their)(self|selves)$/i) {
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return "Why would I want to do that to myself?";
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}
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if(not defined $keyword) {
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$pbot->logger->log("Error 2, no keyword\n");
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return undef;
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}
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return $self->SUPER::execute_all($from, $nick, $user, $host, $count, $keyword, $arguments, $tonick);
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}
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sub pbot {
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my $self = shift;
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if(@_) { $self->{pbot} = shift; }
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return $self->{pbot};
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}
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1;
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