520 lines
13 KiB
Perl
520 lines
13 KiB
Perl
# lib/API/Std.pm - Standard API subroutines.
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# Copyright (C) 2010-2011 Xelhua Development Group, et al.
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# This program is free software; rights to this code are stated in doc/LICENSE.
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package API::Std;
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use strict;
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use warnings;
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use feature qw(say);
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use Exporter;
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use base qw(Exporter);
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our (%LANGE, %MODULE, %EVENTS, %HOOKS, %CMDS);
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our @EXPORT_OK = qw(conf_get trans err awarn timer_add timer_del cmd_add
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cmd_del hook_add hook_del rchook_add rchook_del match_user
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has_priv mod_exists ratelimit_check);
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# Initialize a module.
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sub mod_init
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{
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my ($name, $author, $version, $autover, $pkg) = @_;
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# Log/debug.
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API::Log::dbug('MODULES: Attempting to load '.$name.' (version '.$version.') by '.$author.'...');
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API::Log::alog('MODULES: Attempting to load '.$name.' (version '.$version.') by '.$author.'...');
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if (keys %Auto::SOCKET) { API::Log::slog('MODULES: Attempting to load '.$name.' (version '.$version.') by '.$author.'...'); }
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# Check if this module is compatible with this version of Auto.
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if ($autover ne '3.0.0d') {
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API::Log::dbug('MODULES: Failed to load '.$name.': Incompatible with your version of Auto.');
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API::Log::alog('MODULES: Failed to load '.$name.': Incompatible with your version of Auto.');
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if (keys %Auto::SOCKET) { API::Log::slog('MODULES: Failed to load '.$name.': Incompatible with your version of Auto.'); }
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return;
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}
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# Run the module's _init sub.
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my $mi = eval($pkg.'::_init();'); ## no critic qw(BuiltinFunctions::ProhibitStringyEval)
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if ($mi) {
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# If successful, add to hash.
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$MODULE{$name}{name} = $name;
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$MODULE{$name}{version} = $version;
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$MODULE{$name}{author} = $author;
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$MODULE{$name}{pkg} = $pkg;
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API::Log::dbug('MODULES: '.$name.' successfully loaded.');
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API::Log::alog('MODULES: '.$name.' successfully loaded.');
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if (keys %Auto::SOCKET) { API::Log::slog('MODULES: '.$name.' successfully loaded.'); }
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return 1;
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}
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else {
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# Otherwise, return a failed to load message.
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API::Log::dbug('MODULES: Failed to load '.$name.q{.});
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API::Log::alog('MODULES: Failed to load '.$name.q{.});
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if (keys %Auto::SOCKET) { API::Log::slog('MODULES: Failed to load '.$name.q{.}); }
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return;
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}
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}
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# Check if a module exists.
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sub mod_exists
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{
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my ($name) = @_;
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if (defined $API::Std::MODULE{$name}) { return 1; }
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return;
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}
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# Void a module.
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sub mod_void
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{
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my ($module) = @_;
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# Log/debug.
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API::Log::dbug('MODULES: Attempting to unload module: '.$module.'...');
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API::Log::alog('MODULES: Attempting to unload module: '.$module.'...');
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if (keys %Auto::SOCKET) { API::Log::slog('MODULES: Attempting to unload module: '.$module.'...'); }
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# Check if this module exists.
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if (!defined $MODULE{$module}) {
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API::Log::dbug('MODULES: Failed to unload '.$module.'. No such module?');
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API::Log::alog('MODULES: Failed to unload '.$module.'. No such module?');
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if (keys %Auto::SOCKET) { API::Log::slog('MODULES: Failed to unload '.$module.'. No such module?'); }
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return;
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}
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# Run the module's _void sub.
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my $mi = eval($MODULE{$module}{pkg}.'::_void();'); ## no critic qw(BuiltinFunctions::ProhibitStringyEval)
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if ($mi) {
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# If successful, delete class from program and delete module from hash.
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Class::Unload->unload($MODULE{$module}{pkg});
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delete $MODULE{$module};
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API::Log::dbug('MODULES: Successfully unloaded '.$module.q{.});
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API::Log::alog('MODULES: Successfully unloaded '.$module.q{.});
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if (keys %Auto::SOCKET) { API::Log::slog('MODULES: Successfully unloaded '.$module.q{.}); }
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return 1;
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}
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else {
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# Otherwise, return a failed to unload message.
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API::Log::dbug('MODULES: Failed to unload '.$module.q{.});
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API::Log::alog('MODULES: Failed to unload '.$module.q{.});
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if (keys %Auto::SOCKET) { API::Log::slog('MODULES: Failed to unload '.$module.q{.}); }
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return;
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}
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}
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# Add a command to Auto.
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sub cmd_add
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{
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my ($cmd, $lvl, $priv, $help, $sub) = @_;
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$cmd = uc $cmd;
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if (defined $API::Std::CMDS{$cmd}) { return; }
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if ($lvl =~ m/[^0-2]/sm) { return; } ## no critic qw(RegularExpressions::RequireExtendedFormatting)
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$API::Std::CMDS{$cmd}{lvl} = $lvl;
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$API::Std::CMDS{$cmd}{help} = $help;
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$API::Std::CMDS{$cmd}{priv} = $priv;
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$API::Std::CMDS{$cmd}{sub} = $sub;
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return 1;
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}
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# Delete a command from Auto.
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sub cmd_del
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{
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my ($cmd) = @_;
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$cmd = uc $cmd;
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if (defined $API::Std::CMDS{$cmd}) {
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delete $API::Std::CMDS{$cmd};
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}
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else {
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return;
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}
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return 1;
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}
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# Add an event to Auto.
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sub event_add
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{
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my ($name) = @_;
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if (!defined $EVENTS{lc $name}) {
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$EVENTS{lc $name} = 1;
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return 1;
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}
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else {
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API::Log::dbug('DEBUG: Attempt to add a pre-existing event ('.lc $name.')! Ignoring...');
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return;
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}
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}
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# Delete an event from Auto.
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sub event_del
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{
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my ($name) = @_;
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if (defined $EVENTS{lc $name}) {
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delete $EVENTS{lc $name};
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delete $HOOKS{lc $name};
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return 1;
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}
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else {
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API::Log::dbug('DEBUG: Attempt to delete a non-existing event ('.lc $name.')! Ignoring...');
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return;
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}
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}
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# Trigger an event.
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sub event_run
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{
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my ($event, @args) = @_;
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if (defined $EVENTS{lc $event} and defined $HOOKS{lc $event}) {
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foreach my $hk (keys %{ $HOOKS{lc $event} }) {
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&{ $HOOKS{lc $event}{$hk} }(@args);
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}
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}
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return 1;
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}
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# Add a hook to Auto.
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sub hook_add
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{
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my ($event, $name, $sub) = @_;
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if (!defined $API::Std::HOOKS{lc $name}) {
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if (defined $API::Std::EVENTS{lc $event}) {
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$API::Std::HOOKS{lc $event}{lc $name} = $sub;
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return 1;
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}
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else {
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return;
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}
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}
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else {
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return;
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}
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}
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# Delete a hook from Auto.
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sub hook_del
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{
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my ($event, $name) = @_;
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if (defined $API::Std::HOOKS{lc $event}{lc $name}) {
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delete $API::Std::HOOKS{lc $event}{lc $name};
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return 1;
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}
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else {
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return;
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}
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}
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# Add a timer to Auto.
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sub timer_add
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{
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my ($name, $type, $time, $sub) = @_;
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$name = lc $name;
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# Check for invalid type/time.
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if ($type =~ m/[^1-2]/sm) { ## no critic qw(RegularExpressions::RequireExtendedFormatting)
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return;
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}
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if ($time =~ m/[^0-9]/sm) { ## no critic qw(RegularExpressions::RequireExtendedFormatting)
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return;
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}
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if (!defined $Auto::TIMERS{$name}) {
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$Auto::TIMERS{$name}{type} = $type;
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$Auto::TIMERS{$name}{time} = time + $time;
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if ($type == 2) { $Auto::TIMERS{$name}{secs} = $time; }
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$Auto::TIMERS{$name}{sub} = $sub;
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return 1;
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}
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return 1;
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}
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# Delete a timer from Auto.
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sub timer_del
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{
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my ($name) = @_;
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$name = lc $name;
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if (defined $Auto::TIMERS{$name}) {
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delete $Auto::TIMERS{$name};
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return 1;
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}
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return;
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}
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# Hook onto a raw command.
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sub rchook_add
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{
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my ($cmd, $sub) = @_;
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$cmd = uc $cmd;
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if (defined $Parser::IRC::RAWC{$cmd}) { return; }
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$Parser::IRC::RAWC{$cmd} = $sub;
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return 1;
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}
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# Delete a raw command hook.
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sub rchook_del
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{
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my ($cmd) = @_;
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$cmd = uc $cmd;
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if (!defined $Parser::IRC::RAWC{$cmd}) { return; }
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delete $Parser::IRC::RAWC{$cmd};
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return 1;
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}
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# Configuration value getter.
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sub conf_get
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{
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my ($value) = @_;
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# Create an array out of the value.
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my @val;
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if ($value =~ m/:/sm) { ## no critic qw(RegularExpressions::RequireExtendedFormatting)
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@val = split m/[:]/sm, $value; ## no critic qw(RegularExpressions::RequireExtendedFormatting)
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}
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else {
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@val = ($value);
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}
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# Undefine this as it's unnecessary now.
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undef $value;
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# Get the count of elements in the array.
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my $count = scalar @val;
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# Return the requested configuration value(s).
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if ($count == 1) {
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if (ref $Auto::SETTINGS{$val[0]} eq 'HASH') {
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return %{ $Auto::SETTINGS{$val[0]} };
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}
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else {
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return $Auto::SETTINGS{$val[0]};
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}
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}
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elsif ($count == 2) {
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if (ref $Auto::SETTINGS{$val[0]}{$val[1]} eq 'HASH') {
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return %{ $Auto::SETTINGS{$val[0]}{$val[1]} };
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}
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else {
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return $Auto::SETTINGS{$val[0]}{$val[1]};
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}
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}
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elsif ($count == 3) {
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if (ref $Auto::SETTINGS{$val[0]}{$val[1]}{$val[2]} eq 'HASH') {
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return %{ $Auto::SETTINGS{$val[0]}{$val[1]}{$val[2]} };
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}
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else {
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return $Auto::SETTINGS{$val[0]}{$val[1]}{$val[2]};
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}
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}
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else {
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return;
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}
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}
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# Translation subroutine.
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sub trans
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{
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my $id = shift;
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$id =~ s/ /_/gsm;
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if (defined $API::Std::LANGE{$id}) {
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return sprintf $API::Std::LANGE{$id}, @_;
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}
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else {
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$id =~ s/_/ /gsm;
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return $id;
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}
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}
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# Match user subroutine.
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sub match_user
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{
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my (%user) = @_;
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# Get data from config.
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if (!conf_get('user')) { return; }
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my %uhp = conf_get('user');
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foreach my $userkey (keys %uhp) {
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# For each user block.
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my %ulhp = %{ $uhp{$userkey} };
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foreach my $uhk (keys %ulhp) {
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# For each user.
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if ($uhk eq 'net') {
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if (defined $user{svr}) {
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if (lc $user{svr} ne lc(($ulhp{$uhk})[0][0])) {
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# config.user:net conflicts with irc.user:svr.
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last;
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}
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}
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}
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elsif ($uhk eq 'mask') {
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# Put together the user information.
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my $mask = $user{nick}.q{!}.$user{user}.q{@}.$user{host};
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if (API::IRC::match_mask($mask, ($ulhp{$uhk})[0][0])) {
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# We've got a host match.
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return $userkey;
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}
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}
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elsif ($uhk eq 'chanstatus' and defined $ulhp{'net'}) {
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my ($ccst, $ccnm) = split m/[:]/sm, ($ulhp{$uhk})[0][0]; ## no critic qw(RegularExpressions::RequireExtendedFormatting)
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my $svr = $ulhp{net}[0];
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if (defined $Auto::SOCKET{$svr}) {
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if ($ccnm eq 'CURRENT' and defined $user{chan}) {
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if (defined $Parser::IRC::chanusers{$svr}{$user{chan}}{$user{nick}}) {
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if ($Parser::IRC::chanusers{$svr}{$user{chan}}{$user{nick}} =~ m/($ccst)/sm) { return $userkey; } ## no critic qw(RegularExpressions::RequireExtendedFormatting)
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}
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}
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else {
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foreach my $bcj (keys %{ $Parser::IRC::botchans{$svr} }) {
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if (API::IRC::match_mask($bcj, $ccnm)) {
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if (defined $Parser::IRC::chanusers{$svr}{$bcj}{$user{nick}}) {
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if ($Parser::IRC::chanusers{$svr}{$bcj}{$user{nick}} =~ m/($ccst)/sm) { return $userkey; } ## no critic qw(RegularExpressions::RequireExtendedFormatting)
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}
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}
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}
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}
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}
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}
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}
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}
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return;
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}
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# Privilege subroutine.
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sub has_priv
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{
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my ($cuser, $cpriv) = @_;
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if (conf_get("user:$cuser:privs")) {
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my $cups = (conf_get("user:$cuser:privs"))[0][0];
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if (defined $Auto::PRIVILEGES{$cups}) {
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foreach (@{ $Auto::PRIVILEGES{$cups} }) {
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if ($_ eq $cpriv or $_ eq 'ALL') { return 1; }
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}
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}
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}
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return;
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}
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# Ratelimit check subroutine.
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sub ratelimit_check
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{
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my (%src) = @_;
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# Check if ratelimit is set to on.
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if ((conf_get('ratelimit'))[0][0] == 1) {
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if (!defined $Core::IRC::usercmd{$src{nick}.'@'.$src{host}.'/'.$src{svr}}) {
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# Set a usercmd entry for this user.
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$Core::IRC::usercmd{$src{nick}.'@'.$src{host}.'/'.$src{svr}} = 0;
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}
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# If the user has not passed the rate limit.
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if ($Core::IRC::usercmd{$src{nick}.'@'.$src{host}.'/'.$src{svr}} <= (conf_get('ratelimit_amount'))[0][0]) {
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# Increment their uses and return 1.
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$Core::IRC::usercmd{$src{nick}.'@'.$src{host}.'/'.$src{svr}}++;
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return 1;
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}
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else {
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# Increment their uses and return 0.
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$Core::IRC::usercmd{$src{nick}.'@'.$src{host}.'/'.$src{svr}}++;
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return 0;
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}
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}
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else {
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# It isn't. Return 1.
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return 1;
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}
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return 1;
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}
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# Error subroutine.
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sub err ## no critic qw(Subroutines::ProhibitBuiltinHomonyms)
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{
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my ($lvl, $msg, $fatal) = @_;
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# Check for an invalid level.
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if ($lvl =~ m/[^0-9]/sm) { ## no critic qw(RegularExpressions::RequireExtendedFormatting)
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return;
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}
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if ($fatal =~ m/[^0-1]/sm) { ## no critic qw(RegularExpressions::RequireExtendedFormatting)
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return;
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}
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# Level 1: Print to screen.
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if ($lvl >= 1) {
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say "ERROR: $msg";
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}
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# Level 2: Log to file.
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if ($lvl >= 2) {
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API::Log::alog("ERROR: $msg");
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}
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# Level 3: Log to IRC.
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if ($lvl >= 3) {
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API::Log::slog("ERROR: $msg");
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}
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# If it's a fatal error, exit the program.
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if ($fatal) { exit; }
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return 1;
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}
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# Warn subroutine.
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sub awarn
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{
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my ($lvl, $msg) = @_;
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# Check for an invalid level.
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if ($lvl =~ m/[^0-9]/sm) { ## no critic qw(RegularExpressions::RequireExtendedFormatting)
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return;
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}
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# Level 1: Print to screen.
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if ($lvl >= 1) {
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say "WARNING: $msg";
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}
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# Level 2: Log to file.
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if ($lvl >= 2) {
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API::Log::alog("WARNING: $msg");
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}
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# Level 3: Log to IRC.
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if ($lvl >= 3) {
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API::Log::slog("WARNING: $msg");
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}
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return 1;
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}
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1;
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# vim: set ai sw=4 ts=4:
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