Indev trunk.
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# Auto IRC Bot. An advanced, lightweight and powerful IRC bot.
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# Copyright (C) 2010-2011 Xelhua Development Team (doc/CREDITS)
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# This program is free software; rights to this code are stated in doc/LICENSE.
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# Subroutines for parsing incoming data from IRC.
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package Parser::IRC;
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use strict;
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use warnings;
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use API::Std qw(conf_get err awarn);
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use API::IRC;
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# Raw parsing hash.
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our %RAWC = (
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'001' => \&num001,
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'005' => \&num005,
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'353' => \&num353,
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'432' => \&num432,
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'433' => \&num433,
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'438' => \&num438,
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'465' => \&num465,
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'471' => \&num471,
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'473' => \&num473,
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'474' => \&num474,
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'475' => \&num475,
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'477' => \&num477,
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'JOIN' => \&cjoin,
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'NICK' => \&nick,
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'PRIVMSG' => \&privmsg,
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);
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# Variables for various functions.
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our (%got_001, %botnick, %botchans, %csprefix, %chanusers);
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# Events.
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API::Std::event_add("on_rcjoin");
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API::Std::event_add("on_ucjoin");
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API::Std::event_add("on_nick");
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API::Std::event_add("on_topic");
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# Parse raw data.
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sub ircparse
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{
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my ($svr, $data) = @_;
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# Split spaces into @ex.
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my @ex = split(' ', $data);
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# Make sure there is enough data.
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if (defined $ex[0] and defined $ex[1]) {
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# If it's a ping...
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if ($ex[0] eq 'PING') {
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# send a PONG.
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Auto::socksnd($svr, "PONG ".$ex[1]);
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}
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else {
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# otherwise, check %RAWC for ex[1].
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if (defined $RAWC{$ex[1]}) {
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&{ $RAWC{$ex[1]} }($svr, @ex);
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}
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}
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}
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return 1;
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}
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###########################
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# Raw parsing subroutines #
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###########################
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# Parse: Numeric:001
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# Successful connection.
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sub num001
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{
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my ($svr, @ex) = @_;
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$got_001{$svr} = 1;
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# In case we don't get NICK from the server.
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if (defined $botnick{$svr}{newnick}) {
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$botnick{$svr}{nick} = $botnick{$svr}{newnick};
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delete $botnick{$svr}{newnick};
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}
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# Modes on connect.
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unless (!conf_get("server:$svr:modes")) {
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my $connmodes = (conf_get("server:$svr:modes"))[0][0];
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API::IRC::umode($svr, $connmodes);
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}
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# Identify string.
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unless (!conf_get("server:$svr:idstr")) {
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my $idstr = (conf_get("server:$svr:idstr"))[0][0];
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Auto::socksnd($svr, $idstr);
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}
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# Get the auto-join from the config.
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my @cajoin = @{ (conf_get("server:$svr:ajoin"))[0] };
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# Join the channels.
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if (!defined $cajoin[1]) {
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# For single-line ajoins.
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my @sajoin = split(',', $cajoin[0]);
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API::IRC::cjoin($svr, $_) foreach (@sajoin);
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}
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else {
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# For multi-line ajoins.
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API::IRC::cjoin($svr, $_) foreach (@cajoin);
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}
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return 1;
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}
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# Parse: Numeric:005
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# Prefixes.
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sub num005
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{
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my ($svr, @ex) = @_;
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# Find PREFIX.
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foreach my $ex (@ex) {
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if (substr($ex, 0, 7) eq "PREFIX=") {
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# Found.
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my $rpx = substr($ex, 8);
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my ($pm, $pp) = split('\)', $rpx);
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my @apm = split(//, $pm);
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my @app = split(//, $pp);
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foreach my $ppm (@apm) {
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# Store data.
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$csprefix{$svr}{$ppm} = shift(@app);
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}
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}
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}
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return 1;
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}
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# Parse: Numeric:353
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# NAMES reply.
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sub num353
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{
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my ($svr, @ex) = @_;
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# Get rid of the colon.
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$ex[5] = substr($ex[5], 1);
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# Delete the old chanusers hash if it exists.
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delete $chanusers{$svr}{$ex[4]} if (defined $chanusers{$svr}{$ex[4]});
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# Iterate through each user.
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for (my $i = 5; $i < scalar(@ex); $i++) {
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my $fi = 0;
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foreach (keys %{ $csprefix{$svr} }) {
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# Check if the user has status in the channel.
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if (substr($ex[$i], 0, 1) eq $csprefix{$svr}{$_}) {
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# He/she does. Lets set that.
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if (defined $chanusers{$svr}{$ex[4]}{lc(substr($ex[$i], 1))}) {
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# If the user has multiple statuses.
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$chanusers{$svr}{$ex[4]}{lc(substr($ex[$i], 1))} .= $_;
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}
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else {
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# Or not.
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$chanusers{$svr}{$ex[4]}{lc(substr($ex[$i], 1))} = $_;
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}
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$fi = 1;
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}
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}
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# They had status, so go to the next user.
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next if $fi;
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# They didn't, set them as a normal user.
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if (!defined $chanusers{$svr}{$ex[4]}{lc($ex[$i])}) {
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$chanusers{$svr}{$ex[4]}{lc($ex[$i])} = 1;
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}
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}
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return 1;
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}
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# Parse: Numeric:432
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# Erroneous nickname.
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sub num432
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{
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my ($svr, undef) = @_;
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if ($got_001{$svr}) {
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err(3, "Got error from server[".$svr."]: Erroneous nickname.", 0);
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}
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else {
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err(2, "Got error from server[".$svr."] before 001: Erroneous nickname. Closing connection.", 0);
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API::IRC::quit($svr, "An error occurred.");
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}
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delete $botnick{$svr}{newnick} if (defined $botnick{$svr}{newnick});
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return 1;
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}
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# Parse: Numeric:433
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# Nickname is already in use.
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sub num433
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{
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my ($svr, undef) = @_;
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if (defined $botnick{$svr}{newnick}) {
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API::IRC::nick($svr, $botnick{$svr}{newnick}."_");
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delete $botnick{$svr}{newnick} if (defined $botnick{$svr}{newnick});
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}
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return 1;
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}
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# Parse: Numeric:438
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# Nick change too fast.
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sub num438
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{
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my ($svr, @ex) = @_;
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if (defined $botnick{$svr}{newnick}) {
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API::Std::timer_add("num438_".$botnick{$svr}{newnick}, 1, $ex[11], sub {
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API::IRC::nick($Parser::IRC::botnick{$svr}{newnick});
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delete $botnick{$svr}{newnick} if (defined $botnick{$svr}{newnick});
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});
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}
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return 1;
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}
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# Parse: Numeric:465
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# You're banned creep!
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sub num465
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{
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my ($svr, undef) = @_;
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err(3, "Banned from ".$svr."! Closing link...", 0);
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return 1;
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}
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# Parse: Numeric:471
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# Cannot join channel: Channel is full.
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sub num471
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{
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my ($svr, (undef, undef, undef, $chan)) = @_;
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err(3, "Cannot join channel ".$chan." on ".$svr.": Channel is full.", 0);
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return 1;
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}
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# Parse: Numeric:473
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# Cannot join channel: Channel is invite-only.
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sub num473
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{
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my ($svr, (undef, undef, undef, $chan)) = @_;
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err(3, "Cannot join channel ".$chan." on ".$svr.": Channel is invite-only.", 0);
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return 1;
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}
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# Parse: Numeric:474
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# Cannot join channel: Banned from channel.
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sub num474
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{
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my ($svr, (undef, undef, undef, $chan)) = @_;
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err(3, "Cannot join channel ".$chan." on ".$svr.": Banned from channel.", 0);
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return 1;
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}
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# Parse: Numeric:475
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# Cannot join channel: Bad key.
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sub num475
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{
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my ($svr, (undef, undef, undef, $chan)) = @_;
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err(3, "Cannot join channel ".$chan." on ".$svr.": Bad key.", 0);
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return 1;
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}
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# Parse: Numeric:477
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# Cannot join channel: Need registered nickname.
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sub num477
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{
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my ($svr, (undef, undef, undef, $chan)) = @_;
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err(3, "Cannot join channel ".$chan." on ".$svr.": Need registered nickname.", 0);
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return 1;
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}
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# Parse: JOIN
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sub cjoin
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{
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my ($svr, @ex) = @_;
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my %src = API::IRC::usrc(substr($ex[0], 1));
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# Check if this is coming from ourselves.
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if ($src{nick} eq $botnick{$svr}{nick}) {
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# It is. Add channel to array and trigger on_ucjoin.
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unless (defined $botchans{$svr}) {
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@{ $botchans{$svr} } = (substr($ex[2], 1));
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}
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else {
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push(@{ $botchans{$svr} }, substr($ex[2], 1));
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}
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API::Std::event_run("on_ucjoin", ($svr, substr($ex[2], 1)));
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}
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else {
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# It isn't. Trigger on_rcjoin.
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API::Std::event_run("on_rcjoin", ($svr, %src, substr($ex[2], 1)));
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}
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return 1;
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}
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# Parse: NICK
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sub nick
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{
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my ($svr, ($uex, undef, $nex)) = @_;
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my %src = API::IRC::usrc(substr($uex, 1));
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# Check if this is coming from ourselves.
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if ($src{nick} eq $botnick{$svr}{nick}) {
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# It is. Update bot nick hash.
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$botnick{$svr}{nick} = $nex;
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delete $botnick{$svr}{newnick} if (defined $botnick{$svr}{newnick});
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}
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else {
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# It isn't. Trigger on_nick.
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API::Std::event_run("on_nick", ($svr, %src, $nex));
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}
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return 1;
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}
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# Parse: PRIVMSG
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sub privmsg
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{
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my ($svr, @ex) = @_;
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my %src = API::IRC::usrc(substr($ex[0], 1));
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my $cprefix = (conf_get("fantasy_pf"))[0][0];
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my $rprefix = substr($ex[3], 1, 1);
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my $cmd = uc(substr($ex[3], 2));
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my (@argv);
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for (my $i = 4; $i < scalar(@ex); $i++) {
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push(@argv, $ex[$i]);
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}
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# Check if it's to a channel or to us.
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if (lc($ex[2]) eq lc($botnick{$svr}{nick})) {
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# It is coming to us in a private message.
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if (defined $API::Std::CMDS{$cmd}) {
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if ($API::Std::CMDS{$cmd}{lvl} == 1 or $API::Std::CMDS{$cmd}{lvl} == 2) {
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eval {
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&{ $API::Std::CMDS{$cmd}{sub} }($svr, %src, @argv);
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};
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}
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}
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}
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else {
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# It is coming to us in a channel message.
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$src{chan} = $ex[2];
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if (defined $API::Std::CMDS{$cmd}) {
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if ($API::Std::CMDS{$cmd}{lvl} == 0 or $API::Std::CMDS{$cmd}{lvl} == 2) {
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eval {
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&{ $API::Std::CMDS{$cmd}{sub} }($svr, %src, @argv);
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};
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}
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}
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}
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return 1;
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}
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# Parse: TOPIC
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sub topic
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{
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my ($svr, @ex) = @_;
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my %src = API::IRC::usrc(substr($ex[0], 1));
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# Ignore it if it's coming from us.
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if (lc($src{nick}) ne lc($botnick{$svr}{nick})) {
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$src{chan} = $ex[2];
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my (@argv);
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$argv[0] = substr($ex[3], 1);
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if (defined $ex[4]) {
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for (my $i = 4; $i < scalar(@ex); $i++) {
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push(@argv, $ex[$i]);
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}
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}
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API::Std::event_run("on_topic", ($svr, %src, @argv));
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}
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return 1;
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}
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1;
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