From 654a7353e1c46878dd84bfef0e987f0205e03fde Mon Sep 17 00:00:00 2001
From: Julian Blake Kongslie <jblake@omgwallhack.org>
Date: Wed, 17 Mar 2010 22:47:35 -0700
Subject: Initial version of the libpiny stuff.

---
 usr/src/libpiny/Piny/Group.pm | 105 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100644 usr/src/libpiny/Piny/Group.pm

(limited to 'usr/src/libpiny/Piny/Group.pm')

diff --git a/usr/src/libpiny/Piny/Group.pm b/usr/src/libpiny/Piny/Group.pm
new file mode 100644
index 0000000..8e0c2aa
--- /dev/null
+++ b/usr/src/libpiny/Piny/Group.pm
@@ -0,0 +1,105 @@
+package Piny::Group;
+
+use Moose;
+
+use Piny::User;
+
+# Attributes
+
+has 'gid' =>
+  ( is          => 'ro'
+  , isa         => 'Int'
+  , lazy_build  => 1
+  );
+
+has 'groupname' =>
+  ( 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
+  );
+
+# Builder methods
+
+# If constructed with just one argument, then
+#   * If that argument is numeric, treat it as a UID.
+#   * Otherwise, treat it as a username.
+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( groupname => $_[0] );
+    };
+  } else {
+    return $class->$orig( @_ );
+  };
+};
+
+sub BUILD {
+  my ( $s ) = @_;
+
+  if ( not ( $s->has_gid( ) or $s->has_groupname( ) ) ) {
+    die "You must provide either GID or groupname!\n";
+  };
+
+  if ( $s->has_gid( ) and $s->has_groupname( ) ) {
+    die "You must not provide both GID and groupname!\n";
+  };
+};
+
+sub _build_gid {
+  my ( $s ) = @_;
+
+  return $s->grent( )->[2];
+};
+
+sub _build_groupname {
+  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: $!\n" unless @res;
+    return \@res;
+  } elsif ( $s->has_groupname( ) ) {
+    my @res = getgrnam( $s->groupname( ) );
+    die "getgrnam( " . $s->groupname( ) . " ) failed: $!\n" unless @res;
+    return \@res;
+  } else {
+    die "Not enough information provided to lookup group!\n";
+  };
+};
+
+sub _build_members {
+  my ( $s ) = @_;
+
+  return [ ] if ( $s->grent( )->[3] eq "" );
+  return [ map { Piny::User->new( username => $_ ) } split( /:/, $s->grent( )->[3] ) ];
+};
+
+# Moose boilerplate
+
+__PACKAGE__->meta->make_immutable;
+
+1;
-- 
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