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pbot/lib/PBot/Core/Commands/Registry.pm
2021-07-23 07:24:30 -07:00

327 lines
11 KiB
Perl

# File: Registry.pm
#
# Purpose: Bot commands to manipulate Registry entries.
# SPDX-FileCopyrightText: 2021 Pragmatic Software <pragma78@gmail.com>
# SPDX-License-Identifier: MIT
package PBot::Core::Commands::Registry;
use PBot::Imports;
use parent 'PBot::Core::Class';
sub initialize {
my ($self, %conf) = @_;
$self->{pbot}->{commands}->register(sub { $self->cmd_regset(@_) }, "regset", 1);
$self->{pbot}->{commands}->register(sub { $self->cmd_regunset(@_) }, "regunset", 1);
$self->{pbot}->{commands}->register(sub { $self->cmd_regshow(@_) }, "regshow", 0);
$self->{pbot}->{commands}->register(sub { $self->cmd_regsetmeta(@_) }, "regsetmeta", 1);
$self->{pbot}->{commands}->register(sub { $self->cmd_regunsetmeta(@_) }, "regunsetmeta", 1);
$self->{pbot}->{commands}->register(sub { $self->cmd_regchange(@_) }, "regchange", 1);
$self->{pbot}->{commands}->register(sub { $self->cmd_regfind(@_) }, "regfind", 0);
}
sub cmd_regset {
my ($self, $context) = @_;
my $usage = "Usage: regset <section>.<item> [value]";
# support "<section>.<key>" syntax in addition to "<section> <key>"
my $section = $self->{pbot}->{interpreter}->shift_arg($context->{arglist}) // return $usage;
my ($item, $value);
if ($section =~ m/^(.+?)\.(.+)$/) {
($section, $item) = ($1, $2);
($value) = $self->{pbot}->{interpreter}->split_args($context->{arglist}, 1);
} else {
($item, $value) = $self->{pbot}->{interpreter}->split_args($context->{arglist}, 2);
}
if (not defined $section or not defined $item) {
return $usage;
}
if (defined $value) {
$self->{pbot}->{registry}->add('text', $section, $item, $value);
} else {
return $self->{pbot}->{registry}->set($section, $item, 'value');
}
$self->{pbot}->{logger}->log("$context->{hostmask} set registry entry $section.$item => $value\n");
return "$section.$item set to $value";
}
sub cmd_regunset {
my ($self, $context) = @_;
my $usage = "Usage: regunset <section>.<item>";
# support "<section>.<key>" syntax in addition to "<section> <key>"
my $section = $self->{pbot}->{interpreter}->shift_arg($context->{arglist}) // return $usage;
my $item;
if ($section =~ m/^(.+?)\.(.+)$/) {
($section, $item) = ($1, $2);
} else {
($item) = $self->{pbot}->{interpreter}->split_args($context->{arglist}, 1);
}
if (not defined $section or not defined $item) {
return $usage;
}
if (not $self->{pbot}->{registry}->{storage}->exists($section)) {
return "No such registry section $section.";
}
if (not $self->{pbot}->{registry}->{storage}->exists($section, $item)) {
return "No such item $item in section $section.";
}
$self->{pbot}->{logger}->log("$context->{hostmask} removed registry entry $section.$item\n");
$self->{pbot}->{registry}->remove($section, $item);
return "$section.$item deleted from registry";
}
sub cmd_regsetmeta {
my ($self, $context) = @_;
my $usage = "Usage: regsetmeta <section>.<item> [key [value]]";
# support "<section>.<key>" syntax in addition to "<section> <key>"
my $section = $self->{pbot}->{interpreter}->shift_arg($context->{arglist}) // return $usage;
my ($item, $key, $value);
if ($section =~ m/^(.+?)\.(.+)$/) {
($section, $item) = ($1, $2);
($key, $value) = $self->{pbot}->{interpreter}->split_args($context->{arglist}, 2);
} else {
($item, $key, $value) = $self->{pbot}->{interpreter}->split_args($context->{arglist}, 3);
}
if (not defined $section or not defined $item) {
return $usage;
}
$key = undef if not length $key;
$value = undef if not length $value;
return $self->{pbot}->{registry}->set($section, $item, $key, $value);
}
sub cmd_regunsetmeta {
my ($self, $context) = @_;
my $usage = "Usage: regunsetmeta <section>.<item> <key>";
# support "<section>.<key>" syntax in addition to "<section> <key>"
my $section = $self->{pbot}->{interpreter}->shift_arg($context->{arglist}) // return $usage;
my ($item, $key);
if ($section =~ m/^(.+?)\.(.+)$/) {
($section, $item) = ($1, $2);
($key) = $self->{pbot}->{interpreter}->split_args($context->{arglist}, 1);
} else {
($item, $key) = $self->{pbot}->{interpreter}->split_args($context->{arglist}, 2);
}
if (not defined $section or not defined $item or not defined $key) {
return $usage;
}
return $self->{pbot}->{registry}->unset($section, $item, $key);
}
sub cmd_regshow {
my ($self, $context) = @_;
my $usage = "Usage: regshow <section>.<item>";
my $registry = $self->{pbot}->{registry}->{storage};
# support "<section>.<key>" syntax in addition to "<section> <key>"
my $section = $self->{pbot}->{interpreter}->shift_arg($context->{arglist}) // return $usage;
my $item;
if ($section =~ m/^(.+?)\.(.+)$/) {
($section, $item) = ($1, $2);
} else {
($item) = $self->{pbot}->{interpreter}->split_args($context->{arglist}, 1);
}
if (not defined $section or not defined $item) {
return $usage;
}
if (not $registry->exists($section)) {
return "No such registry section $section.";
}
if (not $registry->exists($section, $item)) {
return "No such registry item $item in section $section.";
}
if ($registry->get_data($section, $item, 'private')) {
return "$section.$item: <private>";
}
my $result = "$section.$item: " . $registry->get_data($section, $item, 'value');
if ($registry->get_data($section, $item, 'type') eq 'array') {
$result .= ' [array]';
}
return $result;
}
sub cmd_regfind {
my ($self, $context) = @_;
my $usage = "Usage: regfind [-showvalues] [-section section] <regex>";
my $registry = $self->{pbot}->{registry}->{storage};
my $arguments = $context->{arguments};
return $usage if not defined $arguments;
# TODO maybe use GetOptionsFromArray here
my ($section, $showvalues);
$section = $1 if $arguments =~ s/-section\s+([^\b\s]+)//i;
$showvalues = 1 if $arguments =~ s/-showvalues?//i;
$arguments =~ s/^\s+|\s+$//g;
$arguments =~ s/\s+/ /g;
return $usage if not length $arguments;
$section = lc $section if defined $section;
my ($text, $last_item, $last_section, $count);
$last_section = '';
$count = 0;
eval {
use re::engine::RE2 -strict => 1; # prevent user-defined regex from exploding
foreach my $section_key (sort $registry->get_keys) {
next if defined $section and $section_key ne $section;
foreach my $item_key (sort $registry->get_keys($section_key)) {
next if $item_key eq '_name'; # skip internal cached value
if ($registry->get_data($section_key, $item_key, 'private')) {
# if private, match on key only -- do not match on value
next if $item_key !~ /$arguments/i;
} else {
# otherwise check for match on key and value
next if $item_key !~ /$arguments/i and $registry->get_data($section_key, $item_key, 'value') !~ /$arguments/i;
}
$count++;
if ($section_key ne $last_section) {
$text .= "[$section_key]\n";
$last_section = $section_key;
}
if ($showvalues) {
if ($registry->get_data($section_key, $item_key, 'private')) {
$text .= " $item_key = <private>\n";
} else {
$text .= " $item_key = " . $registry->get_data($section_key, $item_key, 'value')
. ($registry->get_data($section_key, $item_key, 'type') eq 'array' ? " [array]\n" : "\n");
}
} else {
$text .= " $item_key\n";
}
$last_item = $item_key;
}
}
};
return "/msg $context->{nick} $context->{arguments}: $@" if $@;
if ($count == 1) {
chomp $text;
if ($registry->get_data($last_section, $last_item, 'private')) {
return "Found one registry entry: [$last_section] $last_item: <private>";
} else {
return
"Found one registry entry: [$last_section] $last_item: "
. $registry->get_data($last_section, $last_item, 'value')
. ($registry->get_data($last_section, $last_item, 'type') eq 'array' ? ' [array]' : '');
}
} elsif ($count > 1) {
return "Found $count registry entries:\n$text";
} else {
my $sections = (defined $section ? "section $section" : 'any sections');
return "No matching registry entries found in $sections.";
}
}
sub cmd_regchange {
my ($self, $context) = @_;
my ($section, $item, $delim, $tochange, $changeto, $modifier);
my $arguments = $context->{arguments};
if (length $arguments) {
if ($arguments =~ /^(.+?)\.([^\s]+)\s+s(.)/ or $arguments =~ /^([^\s]+) ([^\s]+)\s+s(.)/) {
$section = $1;
$item = $2;
$delim = $3;
}
if ($arguments =~ /$delim(.*?)$delim(.*)$delim(.*)?$/) {
$tochange = $1;
$changeto = $2;
$modifier = $3;
}
}
if (not defined $section or not defined $item or not defined $changeto) {
return "Usage: regchange <section>.<item> s/<pattern>/<replacement>/";
}
$section = lc $section;
$item = lc $item;
my $registry = $self->{pbot}->{registry}->{storage};
if (not $registry->exists($section)) {
return "No such registry section $section.";
}
if (not $registry->exists($section, $item)) {
return "No such registry item $item in section $section.";
}
my $result = eval {
use re::engine::RE2 -strict => 1; # prevent user-defined regex from exploding
my $value = $registry->get_data($section, $item, 'value');
if (not $value =~ s|$tochange|$changeto|) {
$self->{pbot}->{logger}->log("($context->{from}) $context->{hostmask}: failed to change $section.$item 's$delim$tochange$delim$changeto$delim$modifier\n");
return "/msg $context->{nick} Change $section.$item failed.";
} else {
$registry->set($section, $item, 'value', $value, 1);
$self->{pbot}->{logger}->log("($context->{from}) $context->{hostmask}: changed $section.$item 's/$tochange/$changeto/\n");
$self->{pbot}->{registry}->process_trigger($section, $item, 'value', $value);
$self->{pbot}->{registry}->save;
return "$section.$item set to $value";
}
};
return "/msg $context->{nick} Failed to change $section.$item: $@" if $@;
return $result;
}
1;