mirror of
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201 lines
7.9 KiB
Perl
201 lines
7.9 KiB
Perl
# File: RestrictedMod.pm
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#
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# Purpose: Provides restricted moderation abilities to voiced users.
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# They are allowed to ban/mute/kick only users that are not admins,
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# whitelisted, or autoop/autovoice. This is useful for, e.g., IRCnet
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# configurations where +v users are recognized as "semi-trusted" in
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# order to provide assistance in combating heavy spam and drone traffic.
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# SPDX-FileCopyrightText: 2021 Pragmatic Software <pragma78@gmail.com>
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# SPDX-License-Identifier: MIT
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package PBot::Plugin::RestrictedMod;
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use parent 'PBot::Plugin::Base';
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use PBot::Imports;
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use Storable qw/dclone/;
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sub initialize {
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my ($self, %conf) = @_;
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$self->{pbot}->{commands}->add(
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name => 'mod',
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help => 'Provides restricted moderation abilities to voiced users. They can kick/ban/etc only users that are not admins, whitelisted, voiced or opped.',
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subref => sub { $self->cmd_mod(@_) },
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);
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$self->{pbot}->{capabilities}->add('chanmod', 'can-mod', 1);
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$self->{pbot}->{capabilities}->add('chanmod', 'can-voice', 1);
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$self->{pbot}->{capabilities}->add('chanmod', 'can-devoice', 1);
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$self->{commands} = {
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'help' => {subref => sub { $self->help(@_) }, help => "Provides help about this command. Usage: mod help <mod command>; see also: mod help list"},
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'list' => {subref => sub { $self->list(@_) }, help => "Lists available mod commands. Usage: mod list"},
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'kick' => {subref => sub { $self->kick(@_) }, help => "Kicks a nick from the channel. Usage: mod kick <nick>"},
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'ban' => {subref => sub { $self->ban(@_) }, help => "Bans a nick from the channel. Cannot be used to set a custom banmask. Usage: mod ban <nick>"},
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'mute' => {subref => sub { $self->mute(@_) }, help => "Mutes a nick in the channel. Usage: mod mute <nick>"},
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'unban' => {subref => sub { $self->unban(@_) }, help => "Removes bans set by moderators. Cannot remove any other types of bans. Usage: mod unban <nick or mask>"},
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'unmute' => {subref => sub { $self->unmute(@_) }, help => "Removes mutes set by moderators. Cannot remove any other types of mutes. Usage: mod unmute <nick or mask>"},
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'kb' => {subref => sub { $self->kb(@_) }, help => "Kickbans a nick from the channel. Cannot be used to set a custom banmask. Usage: mod kb <nick>"},
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};
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}
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sub unload {
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my ($self) = @_;
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$self->{pbot}->{commands}->remove('mod');
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$self->{pbot}->{capabilities}->remove('chanmod');
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}
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sub help {
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my ($self, $context) = @_;
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my $command = $self->{pbot}->{interpreter}->shift_arg($context->{arglist}) // 'help';
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if (exists $self->{commands}->{$command}) {
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return $self->{commands}->{$command}->{help};
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} else {
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return "No such mod command '$command'. I can't help you with that.";
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}
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}
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sub list {
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my ($self, $context) = @_;
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return "Available mod commands: " . join ', ', sort keys %{$self->{commands}};
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}
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sub generic_command {
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my ($self, $context, $command) = @_;
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my $channel = $context->{from};
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if ($channel !~ m/^#/) {
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$channel = $self->{pbot}->{interpreter}->shift_arg($context->{arglist});
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if (not defined $channel or $channel !~ /^#/) { return "Must specify channel from private message. Usage: mod $command <channel> <nick>"; }
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}
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return "I do not have OPs for this channel. I cannot do any moderation here." if not $self->{pbot}->{chanops}->can_gain_ops($channel);
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return "Voiced moderation is not enabled for this channel. Use `regset $channel.restrictedmod 1` to enable."
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if not $self->{pbot}->{registry}->get_value($channel, 'restrictedmod');
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my $hostmask = $context->{hostmask};
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my $user = $self->{pbot}->{users}->loggedin($channel, $hostmask) // {admin => 0, chanmod => 0};
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my $voiced = $self->{pbot}->{nicklist}->get_meta($channel, $context->{nick}, '+v');
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if (not $voiced and not $self->{pbot}->{capabilities}->userhas($user, 'admin') and not $self->{pbot}->{capabilities}->userhas($user, 'chanmod')) {
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return "You must be voiced (usermode +v) or have the admin or chanmod capability to use this command.";
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}
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my $target = $self->{pbot}->{interpreter}->shift_arg($context->{arglist});
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return "Missing target. Usage: mod $command <nick>" if not defined $target;
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if ($command eq 'unban') {
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my $reason = $self->{pbot}->{banlist}->checkban($channel, 'b', $target);
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if ($reason =~ m/moderator ban/) {
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$self->{pbot}->{banlist}->unban_user($channel, 'b', $target, 1);
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return "";
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} else {
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return "I don't think so. That ban was not set by a moderator.";
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}
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} elsif ($command eq 'unmute') {
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my $reason = $self->{pbot}->{banlist}->checkban($channel, 'q', $target);
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if ($reason =~ m/moderator mute/) {
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$self->{pbot}->{banlist}->unban_user($channel, 'q', $target, 1);
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return "";
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} else {
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return "I don't think so. That mute was not set by a moderator.";
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}
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}
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my $target_nicklist;
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if (not $self->{pbot}->{nicklist}->is_present($channel, $target)) { return "$context->{nick}: I do not see anybody named $target in this channel."; }
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else { $target_nicklist = $self->{pbot}->{nicklist}->{nicklist}->{lc $channel}->{lc $target}; }
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my $target_user = $self->{pbot}->{users}->loggedin($channel, $target_nicklist->{hostmask});
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if ( (defined $target_user and $target_user->{autoop} or $target_user->{autovoice})
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or $target_nicklist->{'+v'}
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or $target_nicklist->{'+o'}
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or $self->{pbot}->{capabilities}->userhas($target_user, 'is-whitelisted'))
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{
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return "I don't think so.";
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}
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if ($command eq 'kick') {
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$self->{pbot}->{chanops}->add_op_command($channel, "kick $channel $target Have a nice day!");
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$self->{pbot}->{chanops}->gain_ops($channel);
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} elsif ($command eq 'ban') {
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$self->{pbot}->{banlist}->ban_user_timed(
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$channel,
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'b',
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$target,
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3600 * 24,
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"$context->{nick}!$context->{user}\@$context->{host}",
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"doing something naughty (moderator ban)",
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1
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);
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} elsif ($command eq 'mute') {
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$self->{pbot}->{banlist}->ban_user_timed(
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$channel,
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'q',
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$target,
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3600 * 24,
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"$context->{nick}!$context->{user}\@$context->{host}",
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"doing something naughty (moderator mute)",
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1
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);
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}
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return "";
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}
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sub kick {
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my ($self, $context) = @_;
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return $self->generic_command($context, 'kick');
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}
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sub ban {
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my ($self, $context) = @_;
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return $self->generic_command($context, 'ban');
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}
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sub mute {
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my ($self, $context) = @_;
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return $self->generic_command($context, 'mute');
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}
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sub unban {
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my ($self, $context) = @_;
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return $self->generic_command($context, 'unban');
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}
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sub unmute {
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my ($self, $context) = @_;
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return $self->generic_command($context, 'unmute');
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}
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sub kb {
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my ($self, $context) = @_;
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my $result = $self->ban(dclone $context); # note: using copy of $context to preserve $context->{arglist} for $self->kick($context)
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return $result if length $result;
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return $self->kick($context);
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}
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sub cmd_mod {
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my ($self, $context) = @_;
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my $command = $self->{pbot}->{interpreter}->shift_arg($context->{arglist}) // '';
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$command = lc $command;
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if (grep { $_ eq $command } keys %{$self->{commands}}) {
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return $self->{commands}->{$command}->{subref}->($context);
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} else {
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my $commands = join ', ', sort keys %{$self->{commands}};
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if ($context->{from} !~ m/^#/) {
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return "Usage: mod <channel> <command> [arguments]; commands are: $commands; see `mod help <command>` for more information.";
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} else {
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return "Usage: mod <command> [arguments]; commands are: $commands; see `mod help <command>` for more information.";
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}
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}
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}
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1;
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