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141 lines
3.4 KiB
Perl
141 lines
3.4 KiB
Perl
# File: Commands.pm
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# Author: pragma_
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#
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# Purpose: Derives from Registerable class to provide functionality to
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# register subroutines, along with a command name and admin level.
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# Registered items will then be executed if their command name matches
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# a name provided via input.
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package PBot::Commands;
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use warnings;
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use strict;
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use base 'PBot::Registerable';
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use Carp ();
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use Text::ParseWords qw(shellwords);
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sub new {
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if(ref($_[1]) eq 'HASH') {
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Carp::croak("Options to Commands should be key/value pairs, not hash reference");
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}
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my ($class, %conf) = @_;
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my $self = bless {}, $class;
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$self->initialize(%conf);
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return $self;
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}
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sub initialize {
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my ($self, %conf) = @_;
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$self->SUPER::initialize(%conf);
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my $pbot = delete $conf{pbot};
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if(not defined $pbot) {
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Carp::croak("Missing pbot reference to PBot::Commands");
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}
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$self->{pbot} = $pbot;
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$self->{name} = undef;
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$self->{level} = undef;
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}
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sub register {
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my ($self, $subref, $name, $level) = @_;
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if((not defined $subref) || (not defined $name) || (not defined $level)) {
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Carp::croak("Missing parameters to Commands::register");
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}
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$name = lc $name;
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my $ref = $self->SUPER::register($subref);
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$ref->{name} = $name;
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$ref->{level} = $level;
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return $ref;
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}
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sub unregister {
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my ($self, $name) = @_;
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if(not defined $name) {
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Carp::croak("Missing name parameter to Commands::unregister");
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}
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$name = lc $name;
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@{ $self->{handlers} } = grep { $_->{name} ne $name } @{ $self->{handlers} };
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}
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sub exists {
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my $self = shift;
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my ($keyword) = @_;
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$keyword = lc $keyword;
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foreach my $ref (@{ $self->{handlers} }) {
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return 1 if $ref->{name} eq $keyword;
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}
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return 0;
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}
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sub interpreter {
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my ($self, $stuff) = @_;
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my $result;
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if ($self->{pbot}->{registry}->get_value('general', 'debugcontext')) {
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use Data::Dumper;
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$Data::Dumper::Sortkeys = 1;
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$self->{pbot}->{logger}->log("Commands::interpreter\n");
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$self->{pbot}->{logger}->log(Dumper $stuff);
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}
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my $admin = $self->{pbot}->{admins}->loggedin($stuff->{from}, "$stuff->{nick}!$stuff->{user}\@$stuff->{host}");
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my $level = defined $admin ? $admin->{level} : 0;
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my $keyword = lc $stuff->{keyword};
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if (exists $stuff->{'effective-level'}) {
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$self->{pbot}->{logger}->log("override level to $stuff->{'effective-level'}\n");
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$level = $stuff->{'effective-level'};
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}
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foreach my $ref (@{ $self->{handlers} }) {
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if ($ref->{name} eq $keyword) {
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if ($level >= $ref->{level}) {
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$stuff->{no_nickoverride} = 1;
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my $result = &{ $ref->{subref} }($stuff->{from}, $stuff->{nick}, $stuff->{user}, $stuff->{host}, $stuff->{arguments}, $stuff);
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if ($stuff->{referenced}) {
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return undef if $result =~ m/(?:usage:|no results)/i;
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}
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return $result;
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} else {
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return undef if $stuff->{referenced};
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if ($level == 0) {
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return "/msg $stuff->{nick} You must login to use this command.";
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} else {
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return "/msg $stuff->{nick} You are not authorized to use this command.";
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}
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}
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}
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}
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return undef;
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}
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sub parse_arguments {
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my ($self, $arguments) = @_;
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my $args = quotemeta $arguments;
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$args =~ s/\\ / /g;
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return shellwords($args);
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}
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1;
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