1 files changed, 156 insertions, 0 deletions
diff --git a/torrus/perllib/Torrus/ACL.pm b/torrus/perllib/Torrus/ACL.pm
new file mode 100644
index 000000000..53b9f618c
--- /dev/null
+++ b/torrus/perllib/Torrus/ACL.pm
@@ -0,0 +1,156 @@
+#  Copyright (C) 2002  Stanislav Sinyagin
+#
+#  This program is free software; you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+
+# $Id: ACL.pm,v 1.1 2010-12-27 00:03:43 ivan Exp $
+# Stanislav Sinyagin <ssinyagin@yahoo.com>
+
+
+package Torrus::ACL;
+
+use Torrus::DB;
+use Torrus::Log;
+
+use strict;
+
+BEGIN
+{
+    eval( 'require ' . $Torrus::ACL::userAuthModule );
+    die( $@ ) if $@;
+}
+
+sub new
+{
+    my $self = {};
+    my $class = shift;
+    my %options = @_;
+    bless $self, $class;
+
+    eval( '$self->{"auth"} = new ' . $Torrus::ACL::userAuthModule );
+    die( $@ ) if $@;
+
+    my $writing = $options{'-WriteAccess'};
+
+    $self->{'db_users'} = new Torrus::DB('users', -WriteAccess => $writing );
+    defined( $self->{'db_users'} ) or return( undef );
+
+    $self->{'db_acl'} = new Torrus::DB('acl', -WriteAccess => $writing );
+    defined( $self->{'db_acl'} ) or return( undef );
+
+    $self->{'is_writing'} = $writing;
+
+    return $self;
+}
+
+
+sub DESTROY
+{
+    my $self = shift;
+
+    Debug('Destroying ACL object');
+
+    undef $self->{'db_users'};
+    undef $self->{'db_acl'};
+}
+
+
+sub hasPrivilege
+{
+    my $self = shift;
+    my $uid = shift;
+    my $object = shift;
+    my $privilege = shift;
+
+    foreach my $group ( $self->memberOf( $uid ) )
+    {
+        if( $self->{'db_acl'}->get( $group.':'.$object.':'.$privilege ) )
+        {
+            Debug('User ' . $uid . ' has privilege ' . $privilege .
+                  ' for ' . $object);
+            return 1;
+        }
+    }
+
+    if( $object ne '*' )
+    {
+        return $self->hasPrivilege( $uid, '*', $privilege );
+    }
+    
+    Debug('User ' . $uid . ' has NO privilege ' . $privilege .
+          ' for ' . $object);
+    return undef;
+}
+
+
+sub memberOf
+{
+    my $self = shift;
+    my $uid = shift;
+
+    my $glist = $self->{'db_users'}->get( 'gm:' . $uid );
+    return( defined( $glist ) ? split(',', $glist) : () );
+}
+
+
+sub authenticateUser
+{
+    my $self = shift;
+    my $uid = shift;
+    my $password = shift;
+
+    my @attrList = $self->{'auth'}->getUserAttrList();
+    my $attrValues = {};
+    foreach my $attr ( @attrList )
+    {
+        $attrValues->{$attr} = $self->userAttribute( $uid, $attr );
+    }
+
+    my $ret = $self->{'auth'}->authenticateUser( $uid, $password,
+                                                 $attrValues );
+    Debug('User authentication: uid=' . $uid . ', result=' .
+          ($ret ? 'true':'false'));
+    return $ret;
+}
+
+
+sub userAttribute
+{
+    my $self = shift;
+    my $uid = shift;
+    my $attr = shift;
+
+    return $self->{'db_users'}->get( 'ua:' . $uid . ':' . $attr );
+}
+
+
+sub groupAttribute
+{
+    my $self = shift;
+    my $group = shift;
+    my $attr = shift;
+
+    return $self->{'db_users'}->get( 'ga:' . $group . ':' . $attr );
+}
+
+
+
+1;
+
+
+# Local Variables:
+# mode: perl
+# indent-tabs-mode: nil
+# perl-indent-level: 4
+# End: