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pbot/lib/PBot/Core/Commands/AntiSpam.pm

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# File: AntiSpam.pm
#
# Purpose: Command to manipulate anti-spam list.
# SPDX-FileCopyrightText: 2021 Pragmatic Software <pragma78@gmail.com>
# SPDX-License-Identifier: MIT
package PBot::Core::Commands::AntiSpam;
use parent 'PBot::Core::Class';
use PBot::Imports;
use Time::HiRes qw/gettimeofday/;
use POSIX qw/strftime/;
sub initialize {
my ($self, %conf) = @_;
$self->{pbot}->{commands}->register(sub { $self->cmd_antispam(@_) }, "antispam", 1);
# add capability to admin group
$self->{pbot}->{capabilities}->add('admin', 'can-antispam', 1);
}
sub cmd_antispam {
my ($self, $context) = @_;
my $arglist = $context->{arglist};
my $command = $self->{pbot}->{interpreter}->shift_arg($arglist);
if (not defined $command) {
return "Usage: antispam <command>, where commands are: list/show, add, remove, set, unset";
}
my $keywords = $self->{pbot}->{antispam}->{keywords};
given ($command) {
when ($_ eq "list" or $_ eq "show") {
my $text = "Spam keywords:\n";
my $entries = 0;
foreach my $namespace ($keywords->get_keys) {
$text .= ' ' . $keywords->get_key_name($namespace) . ":\n";
foreach my $keyword ($keywords->get_keys($namespace)) {
$text .= ' ' . $keywords->get_key_name($namespace, $keyword) . ",\n";
$entries++;
}
}
$text .= "none" if $entries == 0;
return $text;
}
when ("set") {
my ($namespace, $keyword, $flag, $value) = $self->{pbot}->{interpreter}->split_args($arglist, 4);
if (not defined $namespace or not defined $keyword) {
return "Usage: antispam set <namespace> <regex> [flag [value]]"
}
if (not $keywords->exists($namespace)) {
return "There is no such namespace `$namespace`.";
}
if (not $keywords->exists($namespace, $keyword)) {
return "There is no such regex `$keyword` for namespace `" . $keywords->get_key_name($namespace) . '`.';
}
if (not defined $flag) {
my @flags;
foreach $flag ($keywords->get_keys($namespace, $keyword)) {
if ($flag eq 'created_on') {
my $timestamp = strftime "%a %b %e %H:%M:%S %Z %Y", localtime $keywords->get_data($namespace, $keyword, $flag);
push @flags, "created_on: $timestamp";
} else {
$value = $keywords->get_data($namespace, $keyword, $flag);
push @flags, "$flag: $value";
}
}
my $text = "Flags: ";
if (@flags) {
$text .= join ",\n", @flags;
} else {
$text .= 'none';
}
return $text;
}
if (not defined $value) {
$value = $keywords->get_data($namespace, $keyword, $flag);
if (not defined $value) {
return "/say $flag is not set.";
} else {
return "/say $flag is set to $value";
}
}
$keywords->set($namespace, $keyword, $flag, $value);
return "Flag set.";
}
when ("unset") {
my ($namespace, $keyword, $flag) = $self->{pbot}->{interpreter}->split_args($arglist, 3);
if (not defined $namespace or not defined $keyword or not defined $flag) {
return "Usage: antispam unset <namespace> <regex> <flag>"
}
if (not $keywords->exists($namespace)) {
return "There is no such namespace `$namespace`.";
}
if (not $keywords->exists($namespace, $keyword)) {
return "There is no such keyword `$keyword` for namespace `$namespace`.";
}
if (not $keywords->exists($namespace, $keyword, $flag)) {
return "There is no such flag `$flag` for regex `$keyword` for namespace `$namespace`.";
}
return $keywords->remove($namespace, $keyword, $flag);
}
when ("add") {
my ($namespace, $keyword) = $self->{pbot}->{interpreter}->split_args($arglist, 2);
if (not defined $namespace or not defined $keyword) {
return "Usage: antispam add <namespace> <regex>";
}
my $data = {
owner => $context->{hostmask},
created_on => scalar gettimeofday
};
$keywords->add($namespace, $keyword, $data);
return "/say Added `$keyword`.";
}
when ("remove") {
my ($namespace, $keyword) = $self->{pbot}->{interpreter}->split_args($arglist, 2);
if (not defined $namespace or not defined $keyword) {
return "Usage: antispam remove <namespace> <regex>";
}
return $keywords->remove($namespace, $keyword);
}
default {
return "Unknown command '$command'; commands are: list/show, add, remove";
}
}
}
1;