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# automode.pl | ||
# | ||
# Passively learn and actively maintain the ops/voices/halfops in channels. | ||
# This is a no-maintenance auto-op/auto-voice script for irssi. | ||
# | ||
# INSTALL: | ||
# 1) /script load automode.pl | ||
# 2) Be a channel operator | ||
# | ||
# HOW IT WORKS: | ||
# When someone joins a channel and is given ops/voice/halfop, the script | ||
# will record that user's mask, as a combination of their nickname and part | ||
# of their hostname or IP address. When that person leaves and rejoins, the | ||
# script will check against its database and regrant the user the modes | ||
# he or she had before leaving. | ||
# | ||
# If a user is kicked from a channel, all modes for that person are removed. | ||
# They must therefore be regiven by another operator manually. Note this. | ||
# | ||
# Also, this script relies on the "chatnet" attribute being set for a | ||
# particular connection. Use /network (or /ircnet) to set up your networks | ||
# and such. This script will spit out (lots of) warnings if the chatnet is | ||
# not set. | ||
# | ||
# IGNORING CHANNELS: | ||
# If you do not wish to maintain modes on a channel, add it to the setting | ||
# "automode_ignore" in the form <tag>:<channel>, separated by spaces. | ||
# | ||
# For example: /set automode_ignore FreeNode:#perl EFnet:#irssi | ||
# (should) not maintain modes in #perl on FreeNode or #irssi | ||
# on EFnet, provided FreeNode and EFnet are the tags for those | ||
# connections. | ||
# | ||
# NOTES: | ||
# The Perl module Data::Serializer is needed for this script. | ||
# The database file is not written instantaneously; it is on a timer and is | ||
# written to every five minutes or so. If the script is reloaded before it has | ||
# had a chance to save will result in forgotten modes. | ||
# | ||
use strict; | ||
use Irssi; | ||
use Data::Serializer; | ||
use Data::Dumper; | ||
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use vars qw($VERSION %IRSSI); | ||
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$VERSION = '1.3'; | ||
%IRSSI = ( | ||
authors => 'Matt "f0rked" Sparks', | ||
contact => 'ms+irssi@quadpoint.org', | ||
name => 'automode', | ||
description => 'Mode maintainer', | ||
license => 'BSD', | ||
url => 'http://quadpoint.org', | ||
changed => '2008-06-14', | ||
); | ||
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# show debug lines | ||
my $debug = 0; | ||
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my $s = new Data::Serializer; | ||
my $file = Irssi::get_irssi_dir."/automode_list"; | ||
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if (!-e $file) { | ||
print "[automode] creating $file"; | ||
system("touch $file"); | ||
} | ||
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my $listref = $s->retrieve($file); | ||
my %list = $listref ? %{$listref} : (); | ||
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#print Dumper %list; | ||
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my $save_tag; | ||
my %buffer_tags; | ||
my %buffer; | ||
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sub save_list | ||
{ | ||
$s->store(\%list,$file); | ||
} | ||
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sub clear_list | ||
{ | ||
%list = (); | ||
} | ||
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sub make_mask | ||
{ | ||
my($address) = @_; | ||
return if !$address; | ||
my($ident, $host) = split /@/, $address; | ||
my @split = split /\./, $host; | ||
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if (@split <= 2) { | ||
# host is something like "foo.com". We cannot make the mask *.com. | ||
} else { | ||
if ($split[$#split] =~ /^\d+$/) { | ||
# Looks like an IP address. | ||
pop @split; | ||
$host = join(".", @split) . ".\d{1,3}"; | ||
} else { | ||
# Mask the first segment. | ||
shift @split; | ||
$host = ".+?." . join(".", @split); | ||
} | ||
} | ||
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return ".+?!.*${ident}@" . "${host}"; | ||
} | ||
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sub show | ||
{ | ||
my($net, $channel) = @_; | ||
print Dumper %{$list{$net}->{$channel}}; | ||
} | ||
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sub show_all | ||
{ | ||
my $list; | ||
print Dumper %list; | ||
} | ||
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sub clear_channel | ||
{ | ||
my($net, $channel) = @_; | ||
delete $list{$net}->{$channel}; | ||
} | ||
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sub set_modes | ||
{ | ||
my($net, $channel) = @{$_[0]}; | ||
return if !$buffer{$net}->{$channel}; | ||
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my($nicks, $modes) = values(%{$buffer{$net}->{$channel}}); | ||
print "[automode] modes: $modes, nicks: $nicks" if $debug; | ||
my $c = Irssi::server_find_chatnet($net)->channel_find($channel); | ||
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# iterate through the modes and see which ones we don't have to set | ||
my($final_modes, $final_nicks); | ||
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my $i = 0; | ||
for (split //,$modes) { | ||
my $m = $_; | ||
my $n = (split / /, $nicks)[$i]; | ||
$i++; | ||
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next if (!$c->nick_find($n)); | ||
next if ($m eq "o" && $c->nick_find($n)->{"op"}); | ||
next if ($m eq "v" && $c->nick_find($n)->{"voice"}); | ||
next if ($m eq "h" && $c->nick_find($n)->{"halfop"}); | ||
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# if we made it this far, add this to the final modes | ||
$final_modes .= $m; | ||
$final_nicks .= "$n "; | ||
} | ||
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print "[automode] final modes: +$final_modes $final_nicks" if $debug; | ||
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$c->command("MODE $channel +$final_modes $final_nicks") | ||
if ($final_modes && $final_nicks); | ||
delete $buffer{$net}->{$channel}; | ||
} | ||
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sub mode2letter | ||
{ | ||
my($mode) = @_; | ||
if ($mode eq "@") { | ||
return "o"; | ||
} elsif ($mode eq "+") { | ||
return "v"; | ||
} elsif ($mode eq "%") { | ||
return "h"; | ||
} | ||
return -1; | ||
} | ||
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sub remove_mode | ||
{ | ||
my($net, $channel, $mask, $mode) = @_; | ||
my $letter = mode2letter($mode); | ||
$list{$net}->{$channel}->{$mask} =~ s/$letter// | ||
if user_modes($net, $channel, $mask); | ||
delete $list{$net}->{$channel}->{$mask} | ||
if exists $list{$net}->{$channel}->{$mask} | ||
and !$list{$net}->{$channel}->{$mask}; | ||
} | ||
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sub remove_all | ||
{ | ||
my($net, $channel, $mask) = @_; | ||
delete $list{$net}->{$channel}->{$mask} | ||
if exists $list{$net}->{$channel}->{$mask}; | ||
} | ||
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sub user_modes | ||
{ | ||
my($net, $channel, $mask) = @_; | ||
return $list{$net}->{$channel}->{$mask}; | ||
} | ||
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sub add_mode | ||
{ | ||
my($net, $channel, $mask, $mode) = @_; | ||
return if !$mask or !$net or !$channel or !$mode; | ||
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my $letter = mode2letter($mode); | ||
$list{$net}->{$channel}->{$mask} .= $letter | ||
if $list{$net}->{$channel}->{$mask} !~ /$letter/; | ||
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Irssi::timeout_remove($save_tag); | ||
$save_tag = Irssi::timeout_add_once(300, "save_list", []); | ||
} | ||
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sub event_mode | ||
{ | ||
my($channel, $nick, $setby, $mode, $type) = @_; | ||
return if check_ignore($channel->{server}, $channel->{name}); | ||
my $w = Irssi::active_win; | ||
return if $mode != '@' and $mode != '%' and $mode != '+'; | ||
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my $chatnet = $channel->{server}->{chatnet}; | ||
my $tag = $channel->{server}->{tag}; | ||
print ("[automode] The 'chatnet' attribute is missing for the tag '$tag'. " . | ||
"Use /network (or /ircnet) to properly manage this.") if !$chatnet; | ||
return if !$chatnet; | ||
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my $mask = make_mask($nick->{host}); | ||
print "[automode] failed to make mask ($mask)" if (!$mask && $debug); | ||
return if !$mask; | ||
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if ($type eq "+") { | ||
print ("[automode] adding mode '$mode' for $mask in $channel->{name} on " . | ||
$chatnet) if $debug; | ||
add_mode($chatnet, $channel->{name}, $mask, $mode); | ||
} else { | ||
# don't remove op if they deop themselves. | ||
return if $setby eq $nick->{nick}; | ||
print ("[automode] removing mode '$mode' for $mask in $channel->{name} " . | ||
" on $chatnet") if $debug; | ||
remove_mode($chatnet, $channel->{name}, $mask, $mode); | ||
} | ||
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#show($chatnet, $channel->{name}); | ||
} | ||
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sub event_join | ||
{ | ||
my($server, $channel, $nick, $address) = @_; | ||
return if check_ignore($server, $channel); | ||
my $mask = make_mask($address); | ||
return if !user_modes($server->{chatnet}, $channel, $mask); | ||
my $c = $server->channel_find($channel); | ||
return if not $c->{chanop}; | ||
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if (my $modes = user_modes($server->{chatnet}, $channel, $mask)) { | ||
print "[automode] Matched mask ($mask) with modes: $modes" if $debug; | ||
my $nick_list = "$nick " x length($modes); | ||
my %buf = ($buffer{$server->{chatnet}}->{$channel} ? | ||
%{$buffer{$server->{chatnet}}->{$channel}} : ()); | ||
$buf{modes} .= $modes; | ||
$buf{nicks} .= $nick_list; | ||
$buffer{$server->{chatnet}}->{$channel} = \%buf; | ||
my $tag = $server->{chatnet} . "_$channel"; | ||
Irssi::timeout_remove($buffer_tags{$tag}); | ||
$buffer_tags{$tag} = Irssi::timeout_add_once(1000 + int(rand(250) * 3), | ||
"set_modes", | ||
[$server->{chatnet}, | ||
$channel]); | ||
#print Dumper %buffer; | ||
} | ||
} | ||
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sub event_kick | ||
{ | ||
my($server, $channel, $nick, $kicker, $address, $reason) = @_; | ||
my $n = $server->channel_find($channel)->nick_find($nick); | ||
#print Dumper $n; | ||
my $mask = make_mask($n->{host}); | ||
remove_all($server->{chatnet}, $channel, $mask) if $mask; | ||
} | ||
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sub check_ignore | ||
{ | ||
my($server, $channel) = @_; | ||
my $chatnet = $server->{chatnet}; | ||
my $ignore = Irssi::settings_get_str("automode_ignore") . " "; | ||
return ($ignore =~ /$chatnet:$channel /i) ? 1 : 0; | ||
} | ||
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# I don't think this does what I want it to do. | ||
sub event_exit | ||
{ | ||
save_list; | ||
} | ||
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Irssi::signal_add("gui exit", "event_exit"); | ||
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Irssi::signal_add("message kick", "event_kick"); | ||
Irssi::signal_add("message join", "event_join"); | ||
Irssi::signal_add("nick mode changed", "event_mode"); | ||
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Irssi::settings_add_str("automode", "automode_ignore", "IM:&bitlbee"); |