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327 lines
11 KiB
Perl
327 lines
11 KiB
Perl
# File: Registry.pm
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#
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# Purpose: Bot commands to manipulate Registry entries.
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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::Core::Commands::Registry;
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use PBot::Imports;
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use parent 'PBot::Core::Class';
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sub initialize {
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my ($self, %conf) = @_;
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$self->{pbot}->{commands}->register(sub { $self->cmd_regset(@_) }, "regset", 1);
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$self->{pbot}->{commands}->register(sub { $self->cmd_regunset(@_) }, "regunset", 1);
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$self->{pbot}->{commands}->register(sub { $self->cmd_regshow(@_) }, "regshow", 0);
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$self->{pbot}->{commands}->register(sub { $self->cmd_regsetmeta(@_) }, "regsetmeta", 1);
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$self->{pbot}->{commands}->register(sub { $self->cmd_regunsetmeta(@_) }, "regunsetmeta", 1);
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$self->{pbot}->{commands}->register(sub { $self->cmd_regchange(@_) }, "regchange", 1);
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$self->{pbot}->{commands}->register(sub { $self->cmd_regfind(@_) }, "regfind", 0);
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}
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sub cmd_regset {
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my ($self, $context) = @_;
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my $usage = "Usage: regset <section>.<item> [value]";
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# support "<section>.<key>" syntax in addition to "<section> <key>"
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my $section = $self->{pbot}->{interpreter}->shift_arg($context->{arglist}) // return $usage;
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my ($item, $value);
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if ($section =~ m/^(.+?)\.(.+)$/) {
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($section, $item) = ($1, $2);
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($value) = $self->{pbot}->{interpreter}->split_args($context->{arglist}, 1);
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} else {
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($item, $value) = $self->{pbot}->{interpreter}->split_args($context->{arglist}, 2);
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}
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if (not defined $section or not defined $item) {
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return $usage;
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}
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if (defined $value) {
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$self->{pbot}->{registry}->add('text', $section, $item, $value);
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} else {
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return $self->{pbot}->{registry}->set($section, $item, 'value');
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}
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$self->{pbot}->{logger}->log("$context->{hostmask} set registry entry $section.$item => $value\n");
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return "$section.$item set to $value";
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}
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sub cmd_regunset {
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my ($self, $context) = @_;
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my $usage = "Usage: regunset <section>.<item>";
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# support "<section>.<key>" syntax in addition to "<section> <key>"
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my $section = $self->{pbot}->{interpreter}->shift_arg($context->{arglist}) // return $usage;
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my $item;
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if ($section =~ m/^(.+?)\.(.+)$/) {
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($section, $item) = ($1, $2);
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} else {
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($item) = $self->{pbot}->{interpreter}->split_args($context->{arglist}, 1);
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}
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if (not defined $section or not defined $item) {
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return $usage;
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}
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if (not $self->{pbot}->{registry}->{storage}->exists($section)) {
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return "No such registry section $section.";
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}
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if (not $self->{pbot}->{registry}->{storage}->exists($section, $item)) {
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return "No such item $item in section $section.";
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}
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$self->{pbot}->{logger}->log("$context->{hostmask} removed registry entry $section.$item\n");
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$self->{pbot}->{registry}->remove($section, $item);
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return "$section.$item deleted from registry";
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}
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sub cmd_regsetmeta {
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my ($self, $context) = @_;
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my $usage = "Usage: regsetmeta <section>.<item> [key [value]]";
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# support "<section>.<key>" syntax in addition to "<section> <key>"
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my $section = $self->{pbot}->{interpreter}->shift_arg($context->{arglist}) // return $usage;
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my ($item, $key, $value);
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if ($section =~ m/^(.+?)\.(.+)$/) {
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($section, $item) = ($1, $2);
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($key, $value) = $self->{pbot}->{interpreter}->split_args($context->{arglist}, 2);
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} else {
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($item, $key, $value) = $self->{pbot}->{interpreter}->split_args($context->{arglist}, 3);
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}
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if (not defined $section or not defined $item) {
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return $usage;
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}
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$key = undef if not length $key;
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$value = undef if not length $value;
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return $self->{pbot}->{registry}->set($section, $item, $key, $value);
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}
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sub cmd_regunsetmeta {
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my ($self, $context) = @_;
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my $usage = "Usage: regunsetmeta <section>.<item> <key>";
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# support "<section>.<key>" syntax in addition to "<section> <key>"
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my $section = $self->{pbot}->{interpreter}->shift_arg($context->{arglist}) // return $usage;
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my ($item, $key);
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if ($section =~ m/^(.+?)\.(.+)$/) {
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($section, $item) = ($1, $2);
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($key) = $self->{pbot}->{interpreter}->split_args($context->{arglist}, 1);
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} else {
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($item, $key) = $self->{pbot}->{interpreter}->split_args($context->{arglist}, 2);
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}
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if (not defined $section or not defined $item or not defined $key) {
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return $usage;
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}
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return $self->{pbot}->{registry}->unset($section, $item, $key);
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}
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sub cmd_regshow {
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my ($self, $context) = @_;
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my $usage = "Usage: regshow <section>.<item>";
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my $registry = $self->{pbot}->{registry}->{storage};
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# support "<section>.<key>" syntax in addition to "<section> <key>"
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my $section = $self->{pbot}->{interpreter}->shift_arg($context->{arglist}) // return $usage;
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my $item;
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if ($section =~ m/^(.+?)\.(.+)$/) {
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($section, $item) = ($1, $2);
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} else {
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($item) = $self->{pbot}->{interpreter}->split_args($context->{arglist}, 1);
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}
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if (not defined $section or not defined $item) {
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return $usage;
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}
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if (not $registry->exists($section)) {
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return "No such registry section $section.";
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}
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if (not $registry->exists($section, $item)) {
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return "No such registry item $item in section $section.";
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}
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if ($registry->get_data($section, $item, 'private')) {
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return "$section.$item: <private>";
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}
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my $result = "$section.$item: " . $registry->get_data($section, $item, 'value');
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if ($registry->get_data($section, $item, 'type') eq 'array') {
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$result .= ' [array]';
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}
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return $result;
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}
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sub cmd_regfind {
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my ($self, $context) = @_;
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my $usage = "Usage: regfind [-showvalues] [-section section] <regex>";
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my $registry = $self->{pbot}->{registry}->{storage};
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my $arguments = $context->{arguments};
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return $usage if not defined $arguments;
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# TODO maybe use GetOptionsFromArray here
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my ($section, $showvalues);
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$section = $1 if $arguments =~ s/-section\s+([^\b\s]+)//i;
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$showvalues = 1 if $arguments =~ s/-showvalues?//i;
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$arguments =~ s/^\s+|\s+$//g;
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$arguments =~ s/\s+/ /g;
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return $usage if not length $arguments;
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$section = lc $section if defined $section;
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my ($text, $last_item, $last_section, $count);
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$last_section = '';
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$count = 0;
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eval {
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use re::engine::RE2 -strict => 1; # prevent user-defined regex from exploding
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foreach my $section_key (sort $registry->get_keys) {
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next if defined $section and $section_key ne $section;
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foreach my $item_key (sort $registry->get_keys($section_key)) {
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next if $item_key eq '_name'; # skip internal cached value
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if ($registry->get_data($section_key, $item_key, 'private')) {
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# if private, match on key only -- do not match on value
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next if $item_key !~ /$arguments/i;
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} else {
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# otherwise check for match on key and value
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next if $item_key !~ /$arguments/i and $registry->get_data($section_key, $item_key, 'value') !~ /$arguments/i;
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}
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$count++;
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if ($section_key ne $last_section) {
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$text .= "[$section_key]\n";
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$last_section = $section_key;
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}
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if ($showvalues) {
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if ($registry->get_data($section_key, $item_key, 'private')) {
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$text .= " $item_key = <private>\n";
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} else {
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$text .= " $item_key = " . $registry->get_data($section_key, $item_key, 'value')
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. ($registry->get_data($section_key, $item_key, 'type') eq 'array' ? " [array]\n" : "\n");
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}
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} else {
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$text .= " $item_key\n";
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}
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$last_item = $item_key;
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}
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}
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};
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return "/msg $context->{nick} $context->{arguments}: $@" if $@;
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if ($count == 1) {
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chomp $text;
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if ($registry->get_data($last_section, $last_item, 'private')) {
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return "Found one registry entry: [$last_section] $last_item: <private>";
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} else {
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return
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"Found one registry entry: [$last_section] $last_item: "
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. $registry->get_data($last_section, $last_item, 'value')
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. ($registry->get_data($last_section, $last_item, 'type') eq 'array' ? ' [array]' : '');
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}
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} elsif ($count > 1) {
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return "Found $count registry entries:\n$text";
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} else {
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my $sections = (defined $section ? "section $section" : 'any sections');
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return "No matching registry entries found in $sections.";
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}
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}
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sub cmd_regchange {
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my ($self, $context) = @_;
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my ($section, $item, $delim, $tochange, $changeto, $modifier);
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my $arguments = $context->{arguments};
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if (length $arguments) {
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if ($arguments =~ /^(.+?)\.([^\s]+)\s+s(.)/ or $arguments =~ /^([^\s]+) ([^\s]+)\s+s(.)/) {
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$section = $1;
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$item = $2;
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$delim = $3;
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}
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if ($arguments =~ /$delim(.*?)$delim(.*)$delim(.*)?$/) {
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$tochange = $1;
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$changeto = $2;
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$modifier = $3;
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}
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}
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if (not defined $section or not defined $item or not defined $changeto) {
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return "Usage: regchange <section>.<item> s/<pattern>/<replacement>/";
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}
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$section = lc $section;
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$item = lc $item;
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my $registry = $self->{pbot}->{registry}->{storage};
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if (not $registry->exists($section)) {
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return "No such registry section $section.";
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}
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if (not $registry->exists($section, $item)) {
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return "No such registry item $item in section $section.";
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}
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my $result = eval {
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use re::engine::RE2 -strict => 1; # prevent user-defined regex from exploding
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my $value = $registry->get_data($section, $item, 'value');
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if (not $value =~ s|$tochange|$changeto|) {
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$self->{pbot}->{logger}->log("($context->{from}) $context->{hostmask}: failed to change $section.$item 's$delim$tochange$delim$changeto$delim$modifier\n");
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return "/msg $context->{nick} Change $section.$item failed.";
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} else {
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$registry->set($section, $item, 'value', $value, 1);
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$self->{pbot}->{logger}->log("($context->{from}) $context->{hostmask}: changed $section.$item 's/$tochange/$changeto/\n");
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$self->{pbot}->{registry}->process_trigger($section, $item, 'value', $value);
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$self->{pbot}->{registry}->save;
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return "$section.$item set to $value";
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}
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};
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return "/msg $context->{nick} Failed to change $section.$item: $@" if $@;
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return $result;
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}
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1;
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