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# Copyright © 2010 Julian Blake Kongslie <jblake@omgwallhack.org>
# Licensed under the BSD 3-clause license.
package Piny::Group;
use Moose;
use Piny::User;
# Attributes
has 'gid' =>
( is => 'ro'
, isa => 'Int'
, lazy_build => 1
);
has 'name' =>
( is => 'ro'
, isa => 'Str'
, lazy_build => 1
);
has 'grent' =>
( is => 'ro'
, isa => 'ArrayRef'
, lazy_build => 1
, init_arg => undef
);
has 'members' =>
( is => 'ro'
, isa => 'ArrayRef[Piny::User]'
, lazy_build => 1
, init_arg => undef
);
# Public methods
sub add_member {
my ( $s, @users ) = @_;
foreach my $user ( @users ) {
system( "/usr/sbin/adduser", $user->name( ), $s->name( ) );
$user->clear_groups( );
};
$s->clear_members( );
};
sub remove_member {
my ( $s, @users ) = @_;
foreach my $user ( @users ) {
system( "/usr/sbin/deluser", $user->name( ), $s->name( ) );
$user->clear_groups( );
};
$s->clear_members( );
};
# Builder methods
# If constructed with just one argument, then
# * If that argument is numeric, treat it as a GID.
# * Otherwise, treat it as a name.
around BUILDARGS => sub {
my ( $orig, $class ) = ( shift, shift );
if ( @_ == 1 && ! ref $_[0] ) {
if ( $_[0] =~ m/^\d+$/ ) {
return $class->$orig( gid => $_[0] );
} else {
return $class->$orig( name => $_[0] );
};
} else {
return $class->$orig( @_ );
};
};
sub BUILD {
my ( $s ) = @_;
if ( not ( $s->has_gid( ) or $s->has_name( ) ) ) {
die "You must provide either GID or name!";
};
if ( $s->has_gid( ) and $s->has_name( ) ) {
die "You must not provide both GID and name!";
};
};
sub _build_gid {
my ( $s ) = @_;
return $s->grent( )->[2];
};
sub _build_name {
my ( $s ) = @_;
return $s->grent( )->[0];
};
sub _build_grent {
my ( $s ) = @_;
if ( $s->has_gid( ) ) {
my @res = getgrgid( $s->gid( ) );
die "getgrgid( " . $s->gid( ) . " ) failed: $!" unless @res;
return \@res;
} elsif ( $s->has_name( ) ) {
my @res = getgrnam( $s->name( ) );
die "getgrnam( " . $s->name( ) . " ) failed: $!" unless @res;
return \@res;
} else {
die "Not enough information provided to lookup group!";
};
};
sub _build_members {
my ( $s ) = @_;
return [ ] if ( $s->grent( )->[3] eq "" );
return [ map { Piny::User->new( name => $_ ) } split( /:/, $s->grent( )->[3] ) ];
};
# Moose boilerplate
__PACKAGE__->meta->make_immutable;
1;
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