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|
#!/usr/bin/perl
###########################################################
# #
# PostgreSQL IRC Info Bot #
# #
# Copyright 2005-2006 by: #
# Petr Jelinek, Devdas Bhagat, Steve Atkins, David Fetter #
# Andreas Scherbaum, Greg Sabino Mullane #
# #
# Released under BSD licence #
# #
###########################################################
###########
# #
# Modules #
# #
###########
use strict;
use warnings;
use DBI;
use POE;
use POE::Component::IRC;
use Getopt::Mixed "nextOption";
use FileHandle;
require("./config.pm");
###############
# #
# Global Vars #
# #
###############
my $irc_nick = "pg_docbot_test";
my $irc_server = "invalid.freenode.net:6667";
my $irc_name = "PostgreSQL IRC infobot";
my $irc_pass = "";
my @irc_channels = qw(
#postgresql
#pg_docbot
#postgresql-es
#pgfoundry
#postgresql-de
#postgresql-br
#foss.in
#dbi-link
#plparrot
#postgresql-eu
#arpug
##NoEnd
#postgresql-pe
#slony
#skytools
#sfpug
#jdcon
#writeable_cte
#postgresqlfr
#pgtestfest
#pg_charlie_foxtrot
);
my @mute_nicks = qw(rtfm_please pg_docbot_ads);
my $db_host = "";
my $db_name = "";
my $db_user = "";
my $db_pass = "";
my $db_port = 5432;
my $db_schema = "";
my $admin_commands = {
'?learn' => \&do_learn,
'?forget' => \&do_forget,
'?config' => \&do_config
};
my $messagefile = "messages.txt";
my $query_prefix = '??';
my $url_pattern = '(http|ftp|news|bt|https)://';
use vars qw($dbh $SQL $sth %sth $count);
my $pg_docbot = qw(pg_docbot);
my $shutdown = 0;
use constant DEBUG => 3;
use constant ERROR => 2;
use constant WARN => 1;
use constant INFO => 0;
## Maximum items found before we wrap our responses
my $MAXWRAP = 3;
## Allow "LIKE" searches via ???
my $LIKESEARCH = 0;
## Are searches case-sensitive?
my $CASESEARCH = 0;
## Can everyone perform all actions (if running on a private network)
my $EVERYONE_AUTHORIZED = 0;
## Lock the database (only needed if running more than one bot on the same database)
my $LOCK_DATABASE = 1;
my $loglevel = DEBUG;
my %loglevels = (
3 => 'DEBUG',
2 => 'ERROR',
1 => 'WARN',
0 => 'INFO',
);
# stores the last question possible to answer if the main bot does not know
%main::last_question = ();
%main::last_question_ts = ();
%main::last_question_nick = ();
# store messages printed for keywords
%main::messages = ();
###############################
# handle command line arguments
###############################
my $args_init_string = "help h d debug c=s config=s";
Getopt::Mixed::init($args_init_string);
my $help = 0;
my $debug = 0;
my $config_file = "";
# parse options
my ($argv_option, $argv_value, $argv_pretty);
while (($argv_option, $argv_value, $argv_pretty) = nextOption()) {
if ($argv_option eq "h" or $argv_option eq "help") {
$help = 1;
}
if ($argv_option eq "d" or $argv_option eq "debug") {
$debug = 1;
}
if ($argv_option eq "c" or $argv_option eq "config") {
$config_file = $argv_value;
}
}
Getopt::Mixed::cleanup();
#############
# Config file
#############
my %cfg_directives = (
'IRCNick', \$irc_nick,
'IRCServer', \$irc_server,
'IRCName', \$irc_name,
'IRCPass', \$irc_pass,
'IRCChannels', \@irc_channels,
'IRCMuteNicks', \@mute_nicks,
'DBHost', \$db_host,
'DBName', \$db_name,
'DBUsername', \$db_user,
'DBPassword', \$db_pass,
'DBPort', \$db_port,
'DBSchema', \$db_schema,
'MessageFile', \$messagefile
);
if (length($config_file) > 0) {
read_config($config_file);
}
# for later use - we will need to know whats configured nick
# and whats our real nick
my $my_nick = $irc_nick;
# remove my own nick from mute_nicks
my @mute_nicks_tmp = ();
foreach (@mute_nicks) {
if (lc($_) ne lc($irc_nick)) {
push(@mute_nicks_tmp, $_);
}
}
@mute_nicks = @mute_nicks_tmp;
## Make sure the database is up, might as well know now
is_db_ok();
################
# Signal handlers
################
$SIG{INT} = \&death;
$SIG{TERM} = \&death;
$SIG{KILL} = \&death;
$SIG{HUP} = \&reread_config;
################
# Logging
################
my $logfile = 'docbot.log';
# Fork and log to a file unless the debug command line argument is given, in
# which case log to STDOUT and don't fork.
close (STDIN);
if ($debug == 0) {
if (!open (STDOUT, ">>$logfile")) {
death ("Can't open logfile $logfile: $!\n");
}
if (!open (STDERR, ">>$logfile")) {
death ("Can't open the logfile $logfile for STDERR: $!\n");
}
autoflush STDOUT 1;
if (fork ()) {
exit(0);
}
}
################
# Functions
################
########
# read_config ( config_file )
####
# read config & set variables accordingly
#
sub read_config {
my $config_file = shift;
$main::config = docbot::config->new($config_file);
$main::config->set_autosave("off");
while (my ($key, $var) = each (%cfg_directives)) {
my $val = $main::config->get_key($key);
if (defined($val))
{
if (ref($var) eq 'ARRAY') {
@$var = split /;/, $val;
} else {
$$var = $val;
}
}
}
read_messages($messagefile);
}
########
# reread_config ( )
####
# reread config and apply changes at runtime
# currently handles only changes in DB settings, irc channels and message files
#
sub reread_config {
print_msg('Rereading config');
$poe_kernel->post(pg_docbot => privmsg => '#pg_docbot', "reread config");
my @old_irc_channels = @irc_channels;
read_config($config_file);
foreach my $channel (@irc_channels) {
@old_irc_channels = grep { lc($channel) ne lc($_) } @old_irc_channels;
$poe_kernel->post(pg_docbot => 'join', $channel);
$poe_kernel->post(pg_docbot => privmsg => '#pg_docbot', "join new channel: $channel");
}
if (scalar(@old_irc_channels)>0) {
$poe_kernel->post(pg_docbot => 'part', @old_irc_channels);
$poe_kernel->post(pg_docbot => privmsg => '#pg_docbot', "part old channel: @old_irc_channels");
}
if ($my_nick ne $irc_nick) {
$my_nick = $irc_nick;
$poe_kernel->post( $pg_docbot => nick => $my_nick);
$poe_kernel->post(pg_docbot => privmsg => '#pg_docbot', "change nick to: $my_nick");
}
# remove my own nick from mute_nicks
my @mute_nicks_tmp = ();
foreach (@mute_nicks) {
if (lc($_) ne lc($irc_nick)) {
push(@mute_nicks_tmp, $_);
}
}
@mute_nicks = @mute_nicks_tmp;
read_messages($messagefile);
}
########
# print_msg ( message, [ detail_level ] )
####
# message handler
#
sub print_msg {
my $msg = shift;
my $level = shift || $loglevel;
return if $level > $loglevel;
my $timestamp = localtime;
$msg =~ s/\n//g;
print "$timestamp ";
printf "%-8s", "[" . $loglevels{$level} . "]";
print "- $msg\n";
return 1;
}
sub word_wrap {
my ($sep, $len, @text) = @_;
$len -= length($sep);
my @ret;
my $line = '';
foreach my $word (@text) {
if (length($line.$word) > 250) {
push (@ret, $line);
$line = '';
}
$line .= (length($line) ? $sep : '').$word;
}
push (@ret, $line);
return @ret;
}
########
# is_db_ok ( )
####
# handles db (re)connection, should be called before any sql commands
#
sub is_db_ok {
my $DSN = "dbi:Pg:dbname=$db_name";
if ($db_host) {
$DSN .= ";host=$db_host";
}
if ($db_port) {
$DSN .= ";port=$db_port";
}
$dbh = DBI->connect_cached(
$DSN,
$db_user,
$db_pass,
{
"RaiseError" => 0,
"PrintError" => 0,
"AutoCommit" => 0
}
);
unless ($dbh) {
print_msg("Can't connect to database - $DBI::errstr\n", ERROR);
return 0;
}
$dbh->{RaiseError} = 1;
if ($db_schema) {
$dbh->do("SET search_path = '$db_schema'");
$dbh->commit();
}
return 1;
}
########
# get_answer ( query )
####
# search database for keywords
#
sub get_answer {
my ($query,$like) = @_;
$CASESEARCH or $query = lc $query;
my @keys = split(/\s+/, $query);
my $num = @keys;
unless (is_db_ok()) {
return \["Database error"];
}
my $searchnum = "search$num";
$like and $searchnum .= "like";
if (!exists $sth{$searchnum}) {
my $INNERSEARCH = "SELECT kurl FROM docbot_key WHERE lower(key) = ?";
$CASESEARCH and $INNERSEARCH =~ s/lower//;
$LIKESEARCH and $like and $INNERSEARCH =~ y/=/~/;
$SQL = "SELECT url FROM docbot_url WHERE id IN (\n";
$SQL .= join "\n INTERSECT\n" => map {"$INNERSEARCH\n"} @keys;
$SQL .= ")";
print_msg("Preparing $SQL\n", 9);
$sth{$searchnum} = $dbh->prepare($SQL);
}
$sth{$searchnum}->execute(@keys);
my $ret = $dbh->selectcol_arrayref($sth{$searchnum}, {Columns => [1]});
return $ret;
}
########
# authorized ( {action, nick } )
####
# Check if a particular user is authorized to perform an action
#
sub authorized {
my $arg = shift;
if (ref $arg ne 'HASH') {
die qq{Subroutine "authorized" must be passed a hashref\n};
}
## Check for required arguments
for my $req (qw(action nick)) {
exists $arg->{$req} and length $arg->{$req}
or die qq{Subroutine "authorized" required argument "$req" not found\n};
}
return "ok" if $EVERYONE_AUTHORIZED;
$SQL = "SELECT 1 FROM docbot_user WHERE LOWER(u_nick) = ?";
$sth = $dbh->prepare_cached($SQL);
$count = $sth->execute(lc $arg->{nick});
$sth->finish();
return $count == 1 ? 1 : 0;
} ## end of authorized
########
# do_learn ( nick, query )
####
# auth user nick and save keyword(s) to database
#
sub do_learn {
my ($kernel, $nick, $channel, $query) = @_;
unless (is_db_ok()) {
return "Database error";
}
## Make sure the user is authorized to perform this action
if (! &authorized({action => 'learn', nick => $nick, channel => $channel})) {
print_msg("Unauthorized ?learn from $nick\n", WARN);
$poe_kernel->post(pg_docbot => privmsg => '#pg_docbot', "user $nick not authorized to do a 'learn' in channel: $channel");
$poe_kernel->post(pg_docbot => privmsg => '#pg_docbot', "learn query was: $query");
return "You are not authorized";
}
$poe_kernel->post(pg_docbot => privmsg => '#pg_docbot', "learn ($nick/$channel): $query");
my ($url, @keywords);
my @keys = split(/\s+/, $query);
# parse query
foreach my $keyword (@keys) {
if ($keyword =~ /^$url_pattern/) {
$url = $keyword;
# rewrite to current
if ($url =~ /^(http:\/\/.*?postgresql\.org\/docs\/)[0-9\.]+(\/.*)$/i) {
$url = $1 . "current" . $2;
}
# rewrite to static
if ($url =~ /^(http:\/\/\/\/.*?postgresql\.org\/docs\/current\/)interactive(\/.*)$/i) {
$url = $1 . "static" . $2;
}
last;
}
push(@keywords, lc($keyword));
}
if (@keywords == 0 || !defined($url)) {
return "Bad parameters";
}
# start transaction
$dbh->commit;
# if (!$dbh->begin_work) {
# print_msg("Database error: could not start transaction - $DBI::errstr\n", ERROR);
# return "Database error: could not start transaction";
# }
# lock tables to avoid double inserts from two running bots
if ($LOCK_DATABASE) {
if (!$dbh->do("LOCK TABLE docbot_url, docbot_key IN ACCESS EXCLUSIVE MODE")) {
print_msg("Database error: could not lock tables - $DBI::errstr\n", ERROR);
$dbh->rollback;
return "Database error: could not lock tables";
}
}
# insert keywords
$sth = $dbh->prepare("SELECT id FROM docbot_url WHERE url = ?");
unless ($sth->execute($url)) {
print_msg("Error inserting url - $DBI::errstr\n", ERROR);
$dbh->rollback;
return "Error inserting url";
}
my $kurl;
if (($kurl) = $sth->fetchrow()) {
$sth = $dbh->prepare("SELECT has_key (?, ?)");
my $has_key;
foreach my $keyword (@keywords) {
unless ($sth->execute($kurl, $keyword) && (($has_key) = $sth->fetchrow())) {
print_msg("Error inserting key - $DBI::errstr\n", ERROR);
$dbh->rollback;
return "Error while inserting key";
}
if ($has_key eq 't') {
@keywords = grep( !/^$keyword$/i, @keywords );
}
}
unless (@keywords) {
$dbh->rollback;
return "All keywords already exist in database";
}
} else {
$sth = $dbh->prepare("INSERT INTO docbot_url (url) VALUES (?)");
if (!$sth->execute($url)) {
print_msg("Error inserting url - $DBI::errstr\n", ERROR);
$dbh->rollback;
return "Error while inserting url";
}
$sth = $dbh->prepare("SELECT currval(pg_get_serial_sequence('docbot_url', 'id'))");
if (!$sth->execute()) {
print_msg("Error while selecting currval after inserting url - $DBI::errstr\n", ERROR);
$dbh->rollback;
return "Error inserting key";
}
($kurl) = $sth->fetchrow();
}
$sth = $dbh->prepare("INSERT INTO docbot_key (key, kurl) VALUES (?, ?)");
foreach my $keyword (@keywords) {
if (!$sth->execute($keyword, $kurl)) {
print_msg("Error inserting key - $DBI::errstr\n", ERROR);
$dbh->rollback;
return "Error while inserting key";
}
}
$dbh->commit;
return "Successfully added "
. scalar @keywords
. ' keyword'
. ((scalar(@keywords)==1)?'':'s')
;
}
########
# do_forget ( nick, query )
####
# auth user nick and remove keyword from database
#
sub do_forget {
my ($kernel, $nick, $channel, $query) = @_;
unless (is_db_ok()) {
return "Database error";
}
## Make sure the user is authorized to perform this action
if (! &authorized({action => 'forget', nick => $nick, channel => $channel})) {
print_msg("Unauthorized ?forget from $nick\n", WARN);
$poe_kernel->post(pg_docbot => privmsg => '#pg_docbot', "user $nick not authorized to do a 'forget' in channel: $channel");
$poe_kernel->post(pg_docbot => privmsg => '#pg_docbot', "forget query was: $query");
return "You are not authorized";
}
$poe_kernel->post(pg_docbot => privmsg => '#pg_docbot', "forget ($nick/$channel): $query");
my ($url, @keywords);
my @keys = split(/\s+/, $query);
if (($keys[0] !~ /$url_pattern/i) && ($keys[1] =~ /$url_pattern/i) && ($#keys >= 2)) {
return "Usage: ?forget key url OR ?forget key key key OR ?forget URL URL URL";
print_msg("Unauthorized ?forget from $nick\n", WARN);
return qq{You are not authorized to run "?forget"};
}
my $rows = 0;
if ($#keys == 1 && $keys[1] =~ /$url_pattern/) { # key url
$sth = $dbh->prepare("DELETE FROM docbot_key WHERE key = ? AND kurl IN (SELECT id FROM docbot_url WHERE url = ?)");
if ($sth->execute(@keys)) {
$dbh->commit;
return "Successfully deleted " . $sth->rows . " key" . (($sth->rows > 1) ? "s" : "") if ($sth->rows);
}
else {
print_msg("Error deleting key(s) - $DBI::errstr\n", ERROR);
return "Error while deleting key(s)";
}
}
elsif ($keys[0] =~ /$url_pattern/) { # one or more urls
$sth = $dbh->prepare("DELETE FROM docbot_url WHERE url = ?");
foreach my $keyword (@keys) {
if ($keyword =~ /^$url_pattern/) {
if ($sth->execute($keyword)) {
$rows += $sth->rows;
} else {
$dbh->rollback;
print_msg("Error deleting url - $DBI::errstr\n", ERROR);
return "Error while deleting url";
}
}
}
$dbh->commit;
return "Successfully deleted " . $rows . " url" . (($rows > 1) ? "s" : "") if ($rows);
return "Url(s) not found";
}
else { # one or more keys, TODO delete urls with no keys left
$sth = $dbh->prepare("DELETE FROM docbot_key WHERE key = ?");
foreach my $keyword (@keys) {
if ($sth->execute($keyword)) {
$rows += $sth->rows;
}
else {
$dbh->rollback;
print_msg("Error deleting key - $DBI::errstr\n", ERROR);
return "Error while deleting key";
}
}
$dbh->commit;
return "Successfully deleted " . $rows . " key" . (($rows > 1) ? "s" : "") if ($rows);
return "Key(s) not found";
}
}
########
# do_config ( nick, query )
####
# config manipulation from IRC
#
sub do_config {
my ($kernel, $nick, $channel, $query) = @_;
print_msg('In do_config');
unless (is_db_ok()) {
return "Database error";
}
## Make sure the user is authorized to perform this action
if (! &authorized({action => 'config', nick => $nick, channel => $channel})) {
print_msg("Unauthorized ?config from $nick\n", WARN);
$poe_kernel->post(pg_docbot => privmsg => '#pg_docbot', "user $nick not authorized to do a 'config' in channel: $channel");
$poe_kernel->post(pg_docbot => privmsg => '#pg_docbot', "config query was: $query");
return "You are not authorized";
}
return "Configuration not supported on this bot" unless (defined($main::config));
$poe_kernel->post(pg_docbot => privmsg => '#pg_docbot', "config ($nick/$channel): $query");
my ($cmd, $var, $val) = split(/\s+/, $query);
$cmd = lc($cmd);
if (!defined($var) ||
($cmd ne "set" && $cmd ne "get") ||
($cmd eq "set" && !defined($val))) {
return "Bad parameters";
}
return "Unknown variable '$var'" unless defined($cfg_directives{$var});
if ($cmd eq "get") {
if (ref($cfg_directives{$var}) eq 'ARRAY') {
return $var." = ".join(';', @{$cfg_directives{$var}});
}
else {
return $var." = ".${$cfg_directives{$var}};
}
}
else {
$main::config->set_key($var, $val);
$main::config->save_config();
reread_config();
return "Successfully set config variable '$var'";
}
}
########
# on_reconnect ( )
####
#
sub on_reconnect {
$poe_kernel->delay( autoping => undef );
$poe_kernel->delay( connect => 60 );
}
########
# on_connect ( )
####
# called when conencted to irc, joins to selected channels
#
sub on_connect {
my ( $kernel, $heap ) = @_[ KERNEL, HEAP ];
print_msg("Connected ok, joining channels\n", 4);
my %chan_data;
foreach my $channel (@irc_channels) {
$chan_data{$channel} = {};
$kernel->post( $pg_docbot => join => $channel );
}
$heap->{chan_data} = \%chan_data;
$heap->{seen_traffic} = 1;
$kernel->delay( autoping => 300 );
}
########
# on_message ( )
####
# called when some message was sent to channel or to bot
#
sub on_message {
my ( $kernel, $heap, $who, $where, $msg ) = @_[ KERNEL, HEAP, ARG0, ARG1, ARG2 ];
my $nick = ( split /!/, $who )[0];
my $channel = $where->[0];
my $keep_silent = 0;
my $do_it_anyway = 0;
my $replyto = $channel;
my $full_msg = $msg;
my $like = 0;
foreach my $do_channel (keys(%main::last_question)) {
if (length($main::last_question{$do_channel}) > 0 && ($main::last_question_ts{$do_channel} + 20) < time()) {
# delete any old stored question which is older than 20 seconds
print_msg("deleting old question ($main::last_question{$do_channel})", DEBUG);
$main::last_question{$do_channel} = "";
}
}
# was this a reply from one of the bots and we have the question?
if ($msg =~ /^nothing found/ && length($main::last_question{$channel}) > 0) {
foreach my $mute_nick (@mute_nicks) {
#look if one of the mute nicks told us that he does not know
if (lc($mute_nick) eq lc($nick)) {
# yes, push pack your question
$nick = $main::last_question_nick{$channel};
$msg = $main::last_question{$channel};
print_msg("pushing back old question ($main::last_question{$channel})", DEBUG);
$main::last_question{$channel} = "";
$do_it_anyway = 1;
}
}
}
if ($msg =~ /^\s*(\?(?:learn|forget|config))\s+(.+)/i) {
my ($com,$string) = ($1,$2);
my $answer;
if (!index($channel,'#') and $my_nick ne $irc_nick) {
if (grep( /^$channel$/i, find_nick( $heap, $irc_nick ) )) {
print_msg("Not processing admin command, master bot is on channel", DEBUG);
return;
}
}
if (!defined($heap->{whois_callback}->{$nick}->{authed})) {
$heap->{whois_callback}->{$nick} = {event => (lc($channel) eq lc($my_nick)) ? 'irc_msg' : 'irc_public', authed => 0};
@{$heap->{whois_callback}->{$nick}->{args}} = ($who, $where, $msg);
$kernel->post( pg_docbot => whois => $nick );
return;
}
elsif ($heap->{whois_callback}->{$nick}->{authed} != 1 and ! $EVERYONE_AUTHORIZED) {
$answer = "You are not authorized";
}
else {
# execute desired command
$answer = $admin_commands->{$com}($kernel, $nick, $channel, $string);
}
undef ($heap->{whois_callback}->{$nick});
if (length($answer)) {
# if command was called in channel print answer to channel, if it was PM print it as PM
if (lc($channel) eq lc($my_nick)) {
$kernel->post(pg_docbot => privmsg => $nick, $answer);
}
else {
$kernel->post(pg_docbot => privmsg => $channel, $answer);
}
return;
}
}
elsif ($msg =~ /^\s*\?\?(\?*)(.+)/i) {
$like = ($1 and $LIKESEARCH) ? 1 : 0;
$msg = $2;
$msg =~ s/^\s+//;
if (substr($channel, 0, 1) eq '#')
{
if ($my_nick ne $irc_nick) {
if (grep( /^$channel$/i, find_nick( $heap, $irc_nick ) )) {
print_msg("Not processing query command, master bot is on channel", DEBUG);
return;
}
}
if ($do_it_anyway == 0) {
foreach my $mnick (@mute_nicks) {
if (grep( /^$channel$/i, find_nick( $heap, $mnick ) )) {
print_msg("Not processing query command, bot with nickname $mnick is on channel", DEBUG);
#return;
# do not return, instead just continue and dont output anything
$keep_silent = 1;
}
}
}
}
if ($msg =~ /^(.+)\s+>\s+(\w+)/i) {
return unless (grep( /^$channel$/i, find_nick( $heap, $2 ) ));
$replyto = $2;
$msg = $1;
} elsif (lc($channel) eq lc($my_nick)) {
$replyto = $nick;
} else {
$replyto = $channel;
}
}
elsif ($msg =~ /^\s*$my_nick\W+tell\s+(\w+)\s+about\s+(.+)/i) {
if ($1 eq "me") {
$replyto = $nick;
} elsif ($1 eq "us") {
$replyto = $channel;
} else {
$replyto = $1;
return unless (grep( /^$channel$/i, find_nick( $heap, $replyto ) ));
}
$msg = $2;
} else {
return;
}
# now decide if to keep silent
if ($keep_silent == 1) {
# yes, just store the question and a timestamp
$main::last_question{$channel} = $full_msg;
$main::last_question_ts{$channel} = time();
$main::last_question_nick{$channel} = $nick;
print_msg("storing old question ($main::last_question{$channel})", DEBUG);
# now return
return;
}
# get data from db
my $answers = get_answer($msg, $like);
my $message_to_say = get_message($msg);
my $numanswers = @$answers;
# print each answer as one line, except when there are more than $MAXWRAP
if ($numanswers) {
$kernel->post(pg_docbot => privmsg => $replyto, "For information about '$msg' see:\n");
if ($numanswers <= $MAXWRAP) {
for my $answer (@$answers) {
$kernel->post(pg_docbot => privmsg => $replyto, $answer)
}
}
else {
for my $answer (word_wrap(' :: ', 250, @$answers)) {
$kernel->post(pg_docbot => privmsg => $replyto, $answer);
}
}
}
else { # "nothing found," it always sends to the caller, not to the receiver
# if command was called in channel print, answer to channel, if it was PM print it as PM
if ($do_it_anyway == 0) {
if (lc($channel) eq lc($my_nick)) {
$kernel->post(pg_docbot => privmsg => $nick, "Nothing found");
} else {
$kernel->post(pg_docbot => privmsg => $channel, "Nothing found");
}
}
}
}
########
# on_kick ( )
####
# called when somebody was kicked from channel
#
sub on_kick {
my ( $kernel, $heap, $channel, $who ) = @_[ KERNEL, HEAP, ARG1, ARG2 ];
my $nick = ( split /!/, $who )[0];
# if we was kicked, we should rejoin
if ( lc($nick) eq lc($my_nick) ) {
remove_channel($heap, $channel);
print_msg("I was kicked from channel ".$channel.", rejoining\n", 4);
$poe_kernel->post(pg_docbot => privmsg => '#pg_docbot', "I was kicked from channel " . $channel . ", rejoining");
$kernel->post( $pg_docbot => join => $channel );
}
else {
remove_nick( $heap, $nick, $channel );
}
}
sub on_join {
my ( $kernel, $heap, $who, $channel ) = @_[ KERNEL, HEAP, ARG0, ARG1 ];
my $nick = ( split /!/, $who )[0];
add_nick( $heap, $nick, $channel );
}
sub on_quit {
my ( $kernel, $heap, $who ) = @_[ KERNEL, HEAP, ARG0, ARG1 ];
my $nick = ( split /!/, $who )[0];
remove_nick( $heap, $nick );
}
sub on_part {
my ( $kernel, $heap, $who, $channel ) = @_[ KERNEL, HEAP, ARG0, ARG1 ];
$channel =~ s/^(.*?) :.*$/$1/;
my $nick = ( split /!/, $who )[0];
if (lc($nick) eq lc($my_nick)) {
print_msg("Leaving $channel");
remove_channel($heap, $channel);
} else {
remove_nick( $heap, $nick, $channel );
}
}
sub on_nick {
my ( $kernel, $heap, $who, $new ) = @_[ KERNEL, HEAP, ARG0, ARG1 ];
my $nick = ( split /!/, $who )[0];
my @channels = find_nick( $heap, $nick );
foreach my $channel (@channels) {
remove_nick( $heap, $nick, $channel );
add_nick( $heap, $new, $channel );
}
}
sub on_names {
my ( $kernel, $heap, $server, $detail ) = @_[KERNEL, HEAP, ARG0, ARG1];
my ( $channel, $nicknames ) = $detail =~ /^. (.*?) :(.*)$/;
if ( !defined( $nicknames )) {
print_msg ("Parse failed in on_names for $detail");
return;
}
my @nicknames = split( /\s+/, $nicknames );
for my $nick ( @nicknames ) {
$nick =~ s/^@//;
add_nick( $heap, $nick, $channel );
}
}
########
# on_start ( )
####
# start bot
#
sub on_start {
$poe_kernel->post( pg_docbot => register => "all" );
my ($server, $port) = split(":", $irc_server);
$poe_kernel->post( pg_docbot => connect =>
{
Debug => $debug,
Nick => $my_nick,
Username => $irc_nick,
Password => $irc_pass,
Ircname => $irc_name,
Server => $server,
Port => $port
}
);
}
sub on_nickused {
$my_nick .= '_';
$poe_kernel->post( $pg_docbot => nick => $my_nick);
}
sub on_whois_identified {
my ( $kernel, $heap, $detail ) = @_[KERNEL, HEAP, ARG1];
my $nick = ( split / /, $detail )[0];
if (defined($heap->{whois_callback}->{$nick})) {
$heap->{whois_callback}->{$nick}->{authed} = 1;
}
}
sub on_whois_end {
my ( $kernel, $heap, $detail ) = @_[KERNEL, HEAP, ARG1];
my $nick = ( split / /, $detail )[0];
if (defined($heap->{whois_callback}->{$nick}->{event})) {
$kernel->yield($heap->{whois_callback}->{$nick}->{event}, @{$heap->{whois_callback}->{$nick}->{args}});
}
}
sub add_nick {
my ( $heap, $who, $channel ) = @_;
my %channels = %{$heap->{chan_data}};
my @nicknames;
@nicknames = @{$channels{$channel}->{names}}
if (defined($channels{$channel}->{names}));
####################################################################
# #
# The following avoids dealing with clever nicknames like ]X[X]X[ #
# #
####################################################################
return if grep{ lc($who) eq lc($_) } @nicknames;
push(@nicknames, $who);
$channels{$channel}->{names} = \@nicknames;
$heap->{chan_data} = \%channels;
}
sub remove_nick {
my ( $heap, $who, $channel ) = @_;
my %channels = %{$heap->{chan_data}};
if (defined($channel)) {
if (defined($channels{$channel}->{names})) {
my @nicknames;
foreach my $nickname ( @{$channels{$channel}->{names}} ) {
next if lc($who) eq lc($nickname);
push @nicknames, $nickname;
}
$channels{$channel}->{names} = \@nicknames;
$heap->{chan_data} = \%channels;
}
} else {
foreach $channel ( keys %channels ) {
if (defined($channels{$channel}->{names})) {
my @nicknames;
foreach my $nickname ( @{$channels{$channel}->{names}} ) {
next if lc($who) eq lc($nickname);
push @nicknames, $nickname;
}
$channels{$channel}->{names} = \@nicknames;
}
}
$heap->{chan_data} = \%channels;
}
if ($who eq $irc_nick)
{
unless (find_nick($heap, $who)) {
$my_nick = $irc_nick;
$poe_kernel->post( $pg_docbot => nick => $my_nick);
}
}
}
sub remove_channel {
my ( $heap, $channel ) = @_;
my %channels = %{$heap->{chan_data}};
if (defined($channels{$channel})) {
undef($channels{$channel});
$heap->{chan_data} = \%channels;
}
}
sub find_nick {
my ( $heap, $who ) = @_;
my %channels = %{$heap->{chan_data}};
my @channels;
foreach my $channel ( keys %channels ) {
if ( defined( $channels{$channel}->{names}) ) {
if ( grep {lc($who) eq lc($_)} @{$channels{$channel}->{names}} ) {
push (@channels, $channel);
}
}
}
return @channels;
}
sub on_disconnected {
if ($shutdown == 1) {
$poe_kernel->post ( $pg_docbot => unregister => "all" );
$poe_kernel->post ( $pg_docbot => 'shutdown');
print_msg ("Shutting down in on_disconnected");
exit;
} else {
&on_reconnect;
}
}
sub on_error {
if ($shutdown == 1) {
$poe_kernel->post ( $pg_docbot => unregister => "all" );
$poe_kernel->post ( $pg_docbot => 'shutdown');
print_msg ("Shutting down in on_error");
exit;
} else {
&on_reconnect;
}
}
sub death {
my ($where) = $_[ ARG1 ];
my $channel = $where->[0];
my $text = shift;
if ($text =~ m/^(INT|TERM|KILL|HUP)$/) {
$text = "Signal received: $text - shutting down";
} else {
$text = "Error: $text - shutting down";
}
$shutdown = 1;
$poe_kernel->post ( $pg_docbot => quit => $text );
print_msg ("Sending quit message: $text");
}
# http://poe.perl.org/?POE_Cookbook/IRC_Bot_Debugging
# http://poe.perl.org/?POE_Cookbook/IRC_Bot_Disconnecting
# http://poe.perl.org/?POE_Cookbook/IRC_Bot_Reconnecting
# http://poe.perl.org/?POE_Cookbook
# http://poe.perl.org/?Tutorials
# http://poe.perl.org/?POE_Support_Resources
sub _default {
my ( $event, $args ) = @_[ ARG0 .. $#_ ];
open(UNHANDLED, ">>", "unhandled.log") || return 0;
print UNHANDLED "unhandled $event\n";
my $print_it = 1;
if ($event eq "autoping") {
$print_it = 0;
}
if ($event eq "irc_ping") {
$print_it = 0;
}
if ($event eq "irc_connected") {
$print_it = 0;
}
if ($event eq "irc_snotice") {
$print_it = 0;
}
if ($event eq "irc_whois") {
$print_it = 0;
}
if ($event eq "irc_mode") {
$print_it = 0;
}
if ($event eq "irc_topic") {
$print_it = 0;
}
if ($event eq "irc_ctcp_action") {
$print_it = 0;
}
if ($event eq "irc_notice") {
if (@$args[0] =~ /^NickServ/) {
$print_it = 0;
}
if (@$args[0] =~ /^ChanServ/) {
$print_it = 0;
}
}
if ($event eq "irc_ctcp_version") {
if (@$args[0] =~ /^freenode\-connect/) {
$print_it = 0;
}
}
if ($event =~ /^irc_\d+/) {
$print_it = 0;
}
if ($print_it == 1) {
$poe_kernel->post(pg_docbot => privmsg => '#pg_docbot', "unhandled event: $event");
}
my $arg_number = 0;
foreach (@$args) {
print UNHANDLED " ARG$arg_number = ";
if ( ref($_) eq 'ARRAY' ) {
print UNHANDLED "$_ = [", join ( ", ", @$_ ), "]\n";
my $my_nick_quoted = quotemeta($my_nick);
if ($print_it == 1 and @$_[0] !~ /$my_nick_quoted/i) {
$poe_kernel->post(pg_docbot => privmsg => '#pg_docbot', " $_ = [" . join ( ", ", @$_ ) . "]");
}
}
else {
print UNHANDLED "'$_'\n";
if ($print_it == 1 and length($_) > 0) {
$poe_kernel->post(pg_docbot => privmsg => '#pg_docbot', " '$_'");
}
}
$arg_number++;
}
close(UNHANDLED);
return 0; # Don't handle signals.
}
sub read_messages {
my $file = shift;
# reset messages
%main::messages = ();
# check if the file exist
if (length($file) < 1) {
return;
}
if (!-f $file) {
return;
}
# open file
my $fh = new FileHandle;
if (!open($fh, "<", $file)) {
die("could not open existing message file ($file): $!\n");
}
my @file = <$fh>;
close($fh);
# now go through every line of the file and get messages
foreach my $line (@file) {
$line =~ s/[\r\n]//gs;
if ($line =~ /^[\s]*\#/) {
# skip comments
next;
}
# validate if this is a key:value line
if ($line =~ /^([^\s\:]+):[\s]*(.+)$/) {
my $key = $1;
my $value = $2;
# do we already have an array for this key?
if (!defined($main::messages{$key})) {
$main::messages{$key} = [];
}
push(@{$main::messages{$key}}, $value);
}
}
}
sub get_message {
my $msg = shift;
if (!defined($msg)) {
return '';
}
# key not found in message file
if (!defined($main::messages{$msg})) {
return '';
}
return '';
}
################
# Main
################
print_msg("Creating new IRC bot\n");
POE::Component::IRC->new($pg_docbot) or die "Failed to create pg_docbot $!";
print_msg("Starting IRC session\n");
POE::Session->create(
inline_states => {
_start => \&on_start,
_default => \&_default,
irc_error => \&on_error,
irc_disconnected => \&on_disconnected,
irc_socketerr => \&on_reconnect,
irc_001 => \&on_connect,
irc_433 => \&on_nickused,
irc_353 => \&on_names,
irc_join => \&on_join,
irc_part => \&on_part,
irc_quit => \&on_quit,
irc_nick => \&on_nick,
irc_330 => \&on_whois_identified,
irc_318 => \&on_whois_end,
irc_public => \&on_message,
irc_msg => \&on_message,
},
);
# Run the bot until it is done.
#POE::Kernel->run;
$poe_kernel->run;
exit 0;
# vi: ts=4
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