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pbot/PBot/ChanOps.pm
2020-02-06 01:14:08 -08:00

550 lines
16 KiB
Perl

# File: ChanOps.pm
# Author: pragma_
#
# Purpose: Provides channel operator status tracking and commands.
# 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::ChanOps;
use warnings;
use strict;
use feature 'unicode_strings';
use PBot::ChanOpCommands;
use Time::HiRes qw(gettimeofday);
use Time::Duration qw(concise duration);
sub new {
Carp::croak("Options to " . __FILE__ . " should be key/value pairs, not hash reference") if ref($_[1]) eq 'HASH';
my ($class, %conf) = @_;
my $self = bless {}, $class;
$self->initialize(%conf);
return $self;
}
sub initialize {
my ($self, %conf) = @_;
$self->{pbot} = $conf{pbot} // Carp::croak("Missing pbot reference to ChanOps");
$self->{unban_timeout} = PBot::DualIndexHashObject->new(
pbot => $self->{pbot},
name => 'Unban Timeouts',
filename => $self->{pbot}->{registry}->get_value('general', 'data_dir') . '/unban_timeouts'
);
$self->{unban_timeout}->load;
$self->{unmute_timeout} = PBot::DualIndexHashObject->new(
pbot => $self->{pbot},
name => 'Unmute Timeouts',
filename => $self->{pbot}->{registry}->get_value('general', 'data_dir') . '/unmute_timeouts'
);
$self->{unmute_timeout}->load;
$self->{ban_queue} = {};
$self->{unban_queue} = {};
$self->{op_commands} = {};
$self->{is_opped} = {};
$self->{op_requested} = {};
$self->{commands} = PBot::ChanOpCommands->new(pbot => $self->{pbot});
$self->{pbot}->{registry}->add_default('text', 'general', 'deop_timeout', 300);
$self->{pbot}->{timer}->register(sub { $self->check_opped_timeouts }, 10);
$self->{pbot}->{timer}->register(sub { $self->check_unban_timeouts }, 10);
$self->{pbot}->{timer}->register(sub { $self->check_unmute_timeouts }, 10);
$self->{pbot}->{timer}->register(sub { $self->check_unban_queue }, 30);
}
sub can_gain_ops {
my ($self, $channel) = @_;
$channel = lc $channel;
return exists $self->{pbot}->{channels}->{channels}->{hash}->{$channel}
&& $self->{pbot}->{channels}->{channels}->{hash}->{$channel}->{chanop}
&& $self->{pbot}->{channels}->{channels}->{hash}->{$channel}->{enabled};
}
sub gain_ops {
my $self = shift;
my $channel = shift;
$channel = lc $channel;
return if exists $self->{op_requested}->{$channel};
return if not $self->can_gain_ops($channel);
my $op_nick = $self->{pbot}->{registry}->get_value($channel, 'op_nick') //
$self->{pbot}->{registry}->get_value('general', 'op_nick') // 'chanserv';
my $op_command = $self->{pbot}->{registry}->get_value($channel, 'op_command') //
$self->{pbot}->{registry}->get_value('general', 'op_command') // "op $channel";
$op_command =~ s/\$channel\b/$channel/g;
if (not exists $self->{is_opped}->{$channel}) {
$self->{pbot}->{conn}->privmsg($op_nick, $op_command);
$self->{op_requested}->{$channel} = scalar gettimeofday;
} else {
$self->perform_op_commands($channel);
}
}
sub lose_ops {
my $self = shift;
my $channel = shift;
$channel = lc $channel;
$self->{pbot}->{conn}->mode($channel, '-o ' . $self->{pbot}->{registry}->get_value('irc', 'botnick'));
}
sub add_op_command {
my ($self, $channel, $command) = @_;
$channel = lc $channel;
return if not $self->can_gain_ops($channel);
push @{ $self->{op_commands}->{$channel} }, $command;
}
sub perform_op_commands {
my $self = shift;
my $channel = shift;
$channel = lc $channel;
my $botnick = $self->{pbot}->{registry}->get_value('irc', 'botnick');
$self->{pbot}->{logger}->log("Performing op commands...\n");
while (my $command = shift @{ $self->{op_commands}->{$channel} }) {
if ($command =~ /^mode (.*?) (.*)/i) {
$self->{pbot}->{conn}->mode($1, $2);
$self->{pbot}->{logger}->log(" executing mode $1 $2\n");
} elsif ($command =~ /^kick (.*?) (.*?) (.*)/i) {
$self->{pbot}->{conn}->kick($1, $2, $3) unless $1 =~ /^\Q$botnick\E$/i;
$self->{pbot}->{logger}->log(" executing kick on $1 $2 $3\n");
} elsif ($command =~ /^sl (.*)/i) {
$self->{pbot}->{conn}->sl($1);
$self->{pbot}->{logger}->log(" executing sl $1\n");
}
}
$self->{pbot}->{logger}->log("Done.\n");
}
sub ban_user {
my $self = shift;
my ($mask, $channel, $immediately) = @_;
$self->add_to_ban_queue($channel, 'b', $mask);
if (not defined $immediately or $immediately != 0) {
$self->check_ban_queue;
}
}
sub get_bans {
my ($self, $mask, $channel) = @_;
my $masks;
if ($mask !~ m/[!@\$]/) {
my ($message_account, $hostmask) = $self->{pbot}->{messagehistory}->{database}->find_message_account_by_nick($mask);
if (defined $hostmask) {
my $nickserv = $self->{pbot}->{messagehistory}->{database}->get_current_nickserv_account($message_account);
$masks = $self->{pbot}->{bantracker}->get_baninfo($hostmask, $channel, $nickserv);
}
my %akas = $self->{pbot}->{messagehistory}->{database}->get_also_known_as($mask);
foreach my $aka (keys %akas) {
next if $akas{$aka}->{type} == $self->{pbot}->{messagehistory}->{database}->{alias_type}->{WEAK};
next if $akas{$aka}->{nickchange} == 1;
my $b = $self->{pbot}->{bantracker}->get_baninfo($aka, $channel);
if (defined $b) {
$masks = {} if not defined $masks;
push @$masks, @$b;
}
}
}
return $masks
}
sub unmode_user {
my ($self, $mask, $channel, $immediately, $mode) = @_;
$mask = lc $mask;
$channel = lc $channel;
$self->{pbot}->{logger}->log("Removing mode $mode from $mask in $channel\n");
my $bans = $self->get_bans($mask, $channel);
my %unbanned;
if (not defined $bans) {
my $baninfo = {};
$baninfo->{banmask} = $mask;
$baninfo->{type} = '+' . $mode;
push @$bans, $baninfo;
}
foreach my $baninfo (@$bans) {
next if $baninfo->{type} ne '+' . $mode;
next if exists $unbanned{$baninfo->{banmask}};
$unbanned{$baninfo->{banmask}} = 1;
$self->add_to_unban_queue($channel, $mode, $baninfo->{banmask});
}
$self->check_unban_queue if $immediately;
}
sub nick_to_banmask {
my ($self, $mask) = @_;
if ($mask !~ m/[!@\$]/) {
my ($message_account, $hostmask) = $self->{pbot}->{messagehistory}->{database}->find_message_account_by_nick($mask);
if (defined $hostmask) {
my $nickserv = $self->{pbot}->{messagehistory}->{database}->get_current_nickserv_account($message_account);
if (defined $nickserv && length $nickserv) {
$mask = '$a:' . $nickserv;
} else {
my ($nick, $user, $host) = $hostmask =~ m/([^!]+)!([^@]+)@(.*)/;
$mask = "*!$user\@" .$self->{pbot}->{antiflood}->address_to_mask($host);
}
} else {
$mask .= '!*@*';
}
}
return $mask;
}
sub unban_user {
my ($self, $mask, $channel, $immediately) = @_;
$mask = lc $mask;
$channel = lc $channel;
$self->{pbot}->{logger}->log("Unbanning $channel $mask\n");
$self->unmode_user($mask, $channel, $immediately, 'b');
}
sub ban_user_timed {
my $self = shift;
my ($owner, $reason, $mask, $channel, $length, $immediately) = @_;
$channel = lc $channel;
$mask = lc $mask;
$mask = $self->nick_to_banmask($mask);
$self->ban_user($mask, $channel, $immediately);
if ($length > 0) {
my $data = {
timeout => gettimeofday + $length
};
$data->{owner} = $owner if defined $owner;
$data->{reason} = $reason if defined $reason;
$self->{unban_timeout}->add($channel, $mask, $data);
} else {
$self->{unban_timeout}->remove($channel, $mask);
}
}
sub checkban {
my ($self, $channel, $target) = @_;
$channel = lc $channel;
$target = lc $target;
my $mask = lc $self->nick_to_banmask($target);
if (exists $self->{unban_timeout}->{hash}->{$channel}
&& exists $self->{unban_timeout}->{hash}->{$channel}->{$mask}) {
my $timeout = $self->{unban_timeout}->{hash}->{$channel}->{$mask}->{timeout};
my $owner = $self->{unban_timeout}->{hash}->{$channel}->{$mask}->{owner};
my $reason = $self->{unban_timeout}->{hash}->{$channel}->{$mask}->{reason};
my $duration = concise duration($timeout - gettimeofday);
my $result = "$mask banned in $channel ";
$result .= "by $owner " if defined $owner;
$result .= "for $reason " if defined $reason;
$result .= "($duration remaining)";
return $result;
} else {
return "$mask has no ban timeout.";
}
}
sub mute_user {
my $self = shift;
my ($mask, $channel, $immediately) = @_;
$self->add_to_ban_queue($channel, 'q', $mask);
if (not defined $immediately or $immediately != 0) {
$self->check_ban_queue;
}
}
sub unmute_user {
my ($self, $mask, $channel, $immediately) = @_;
$mask = lc $mask;
$channel = lc $channel;
$self->{pbot}->{logger}->log("Unmuting $channel $mask\n");
$self->unmode_user($mask, $channel, $immediately, 'q');
}
sub mute_user_timed {
my $self = shift;
my ($owner, $reason, $mask, $channel, $length, $immediately) = @_;
$channel = lc $channel;
$mask = lc $mask;
$mask = $self->nick_to_banmask($mask);
$self->mute_user($mask, $channel, $immediately);
if ($length > 0) {
my $data = {
timeout => gettimeofday + $length
};
$data->{owner} = $owner if defined $owner;
$data->{reason} = $reason if defined $reason;
$self->{unmute_timeout}->add($channel, $mask, $data);
} else {
$self->{unmute_timeout}->remove($channel, $mask);
}
}
sub checkmute {
my ($self, $channel, $target) = @_;
$channel = lc $channel;
$target = lc $target;
my $mask = lc $self->nick_to_banmask($target);
if (exists $self->{unmute_timeout}->{hash}->{$channel}
&& exists $self->{unmute_timeout}->{hash}->{$channel}->{$mask}) {
my $timeout = $self->{unmute_timeout}->{hash}->{$channel}->{$mask}->{timeout};
my $owner = $self->{unmute_timeout}->{hash}->{$channel}->{$mask}->{owner};
my $reason = $self->{unmute_timeout}->{hash}->{$channel}->{$mask}->{reason};
my $duration = concise duration($timeout - gettimeofday);
my $result = "$mask muted in $channel ";
$result .= "by $owner " if defined $owner;
$result .= "for $reason " if defined $reason;
$result .= "($duration remaining)";
return $result;
} else {
return "$mask has no mute timeout.";
}
}
sub join_channel {
my ($self, $channels) = @_;
$self->{pbot}->{conn}->join($channels);
foreach my $channel (split /,/, $channels) {
$channel = lc $channel;
$self->{pbot}->{event_dispatcher}->dispatch_event('pbot.join', { channel => $channel });
delete $self->{is_opped}->{$channel};
delete $self->{op_requested}->{$channel};
if (exists $self->{pbot}->{channels}->{channels}->{hash}->{lc $channel}
and $self->{pbot}->{channels}->{channels}->{hash}->{lc $channel}->{permop}) {
$self->gain_ops($channel);
}
$self->{pbot}->{conn}->mode($channel);
}
}
sub part_channel {
my ($self, $channel) = @_;
$channel = lc $channel;
$self->{pbot}->{event_dispatcher}->dispatch_event('pbot.part', { channel => $channel });
$self->{pbot}->{conn}->part($channel);
delete $self->{is_opped}->{$channel};
delete $self->{op_requested}->{$channel};
}
sub has_ban_timeout {
my ($self, $channel, $mask) = @_;
return exists $self->{unban_timeout}->{hash}->{lc $channel}->{lc $mask};
}
sub has_mute_timeout {
my ($self, $channel, $mask) = @_;
return exists $self->{unmute_timeout}->{hash}->{lc $channel}->{lc $mask};
}
sub add_to_ban_queue {
my ($self, $channel, $mode, $target) = @_;
push @{$self->{ban_queue}->{$channel}->{$mode}}, $target;
$self->{pbot}->{logger}->log("Added +$mode $target for $channel to ban queue.\n");
}
sub check_ban_queue {
my $self = shift;
my $MAX_COMMANDS = 4;
my $commands = 0;
foreach my $channel (keys %{$self->{ban_queue}}) {
my $done = 0;
while (not $done) {
my ($list, $count, $modes);
$list = '';
$modes = '+';
$count = 0;
foreach my $mode (keys %{$self->{ban_queue}->{$channel}}) {
while (@{$self->{ban_queue}->{$channel}->{$mode}}) {
my $target = pop @{$self->{ban_queue}->{$channel}->{$mode}};
$list .= " $target";
$modes .= $mode;
last if ++$count >= $self->{pbot}->{ircd}->{MODES};
}
if (not @{$self->{ban_queue}->{$channel}->{$mode}}) {
delete $self->{ban_queue}->{$channel}->{$mode};
}
last if $count >= $self->{pbot}->{ircd}->{MODES};
}
if (not keys %{ $self->{ban_queue}->{$channel} }) {
delete $self->{ban_queue}->{$channel};
$done = 1;
}
if ($count) {
$self->add_op_command($channel, "mode $channel $modes $list");
$self->gain_ops($channel);
return if ++$commands >= $MAX_COMMANDS;
}
}
}
}
sub add_to_unban_queue {
my ($self, $channel, $mode, $target) = @_;
push @{$self->{unban_queue}->{$channel}->{$mode}}, $target;
$self->{pbot}->{logger}->log("Added -$mode $target for $channel to unban queue.\n");
}
sub check_unban_queue {
my $self = shift;
my $MAX_COMMANDS = 4;
my $commands = 0;
foreach my $channel (keys %{$self->{unban_queue}}) {
my $done = 0;
while (not $done) {
my ($list, $count, $modes);
$list = '';
$modes = '-';
$count = 0;
foreach my $mode (keys %{$self->{unban_queue}->{$channel}}) {
while (@{$self->{unban_queue}->{$channel}->{$mode}}) {
my $target = pop @{$self->{unban_queue}->{$channel}->{$mode}};
$list .= " $target";
$modes .= $mode;
last if ++$count >= $self->{pbot}->{ircd}->{MODES};
}
if (not @{$self->{unban_queue}->{$channel}->{$mode}}) {
delete $self->{unban_queue}->{$channel}->{$mode};
}
last if $count >= $self->{pbot}->{ircd}->{MODES};
}
if (not keys %{ $self->{unban_queue}->{$channel} }) {
delete $self->{unban_queue}->{$channel};
$done = 1;
}
if ($count) {
$self->add_op_command($channel, "mode $channel $modes $list");
$self->gain_ops($channel);
return if ++$commands >= $MAX_COMMANDS;
}
}
}
}
sub check_unban_timeouts {
my $self = shift;
return if not $self->{pbot}->{joined_channels};
my $now = gettimeofday();
foreach my $channel (keys %{ $self->{unban_timeout}->{hash} }) {
foreach my $mask (keys %{ $self->{unban_timeout}->{hash}->{$channel} }) {
next if $mask eq '_name';
if ($self->{unban_timeout}->{hash}->{$channel}->{$mask}->{timeout} < $now) {
$self->{unban_timeout}->{hash}->{$channel}->{$mask}->{timeout} = $now + 7200;
$self->unban_user($mask, $channel);
}
}
}
}
sub check_unmute_timeouts {
my $self = shift;
return if not $self->{pbot}->{joined_channels};
my $now = gettimeofday();
foreach my $channel (keys %{ $self->{unmute_timeout}->{hash} }) {
foreach my $mask (keys %{ $self->{unmute_timeout}->{hash}->{$channel} }) {
next if $mask eq '_name';
if ($self->{unmute_timeout}->{hash}->{$channel}->{$mask}->{timeout} < $now) {
$self->{unmute_timeout}->{hash}->{$channel}->{$mask}->{timeout} = $now + 7200;
$self->unmute_user($mask, $channel);
}
}
}
}
sub check_opped_timeouts {
my $self = shift;
my $now = gettimeofday();
foreach my $channel (keys %{ $self->{is_opped} }) {
if ($self->{is_opped}->{$channel}{timeout} < $now) {
unless (exists $self->{pbot}->{channels}->{channels}->{hash}->{lc $channel}
and $self->{pbot}->{channels}->{channels}->{hash}->{lc $channel}->{permop}) {
$self->lose_ops($channel);
}
}
}
foreach my $channel (keys %{ $self->{op_requested} }) {
if ($now - $self->{op_requested}->{$channel} > 60 * 5) {
if (exists $self->{pbot}->{channels}->{channels}->{hash}->{lc $channel}
and $self->{pbot}->{channels}->{channels}->{hash}->{lc $channel}->{enabled}) {
$self->{pbot}->{logger}->log("5 minutes since OP request for $channel and no OP yet; trying again ...\n");
delete $self->{op_requested}->{$channel};
$self->gain_ops($channel);
} else {
$self->{pbot}->{logger}->log("Disregarding OP request for $channel (channel is disabled)\n");
delete $self->{op_requested}->{$channel};
}
}
}
}
1;