143 lines
4.0 KiB
Perl
143 lines
4.0 KiB
Perl
##@file
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# Functions shared in Safe jail
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##@class
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# Functions shared in Safe jail
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package Lemonldap::NG::Common::Safelib;
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use strict;
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#use AutoLoader qw(AUTOLOAD);
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our $VERSION = '0.02';
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# Set here all the names of functions that must be available in Safe objects.
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# Not that only functions, not methods, can be written here
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our $functions = [qw(&checkLogonHours &checkDate)];
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## @function boolean checkLogonHours(string logon_hours, string syntax, string time_correction, boolean default_access)
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# Function to check logon hours
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# @param $logon_hours string representing allowed logon hours (GMT)
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# @param $syntax optional hexadecimal (default) or octetstring
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# @param $time_correction optional hours to add or to subtract
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# @param $default_access optional what result to return for users without logons hours
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# @return 1 if access allowed, 0 else
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sub checkLogonHours {
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my ($logon_hours, $syntax, $time_correction, $default_access) = @_;
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# Active Directory - logonHours: $attr_src_syntax = octetstring
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# Samba - sambaLogonHours: ???
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# LL::NG - ssoLogonHours: $attr_src_syntax = hexadecimal
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$syntax ||= "hexadecimal";
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# Default access if no value
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$default_access ||= "0";
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return $default_access unless $logon_hours;
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# Get the base2 value of logon_hours
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# Each byte represent an hour of the week
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# Begin with sunday at 0h00
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my $base2_logon_hours;
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if ( $syntax eq "octetstring" ) {
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$base2_logon_hours = unpack ("B*", $logon_hours);
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}
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if ( $syntax eq "hexadecimal" ) {
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# Remove white spaces
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$logon_hours =~ s/ //g;
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$base2_logon_hours = unpack ("B*", pack ("H*", $logon_hours));
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}
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# Get the present day and hour
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my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = gmtime(time);
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# Get the hour position
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my $hourpos = $wday*24 + $hour;
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# Use time_correction
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if ($time_correction) {
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my ($sign, $time) = ($time_correction =~ /([+|-]?)(\d+)/);
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if ($sign =~ /-/) { $hourpos -= $time; }
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else { $hourpos += $time; }
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}
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# Get the corresponding byte
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return substr($base2_logon_hours, $hourpos, 1);
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}
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## @function boolean checkDate(string start, string end, boolean default_access)
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# Function to check a date
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# @param $start string Start date (GMT)
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# @param $end string End date (GMT)
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# @param $default_access optional what result to return for users without start or end start
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# @return 1 if access allowed, 0 else
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sub checkDate {
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my ($start, $end, $default_access) = @_;
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# Get date in string
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$start = substr($start, 0, 14);
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$end = substr($end, 0, 14);
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# Default access if no value
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$default_access ||= "0";
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return $default_access unless ($start or $end);
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# If no start, set start to 0
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$start ||= 0;
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# If no end, set end to the end of the world
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$end ||= 999999999999999;
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# Get the present day and hour
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my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = gmtime(time);
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$year += 1900;
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$mon += 1;
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$mon = "0".$mon if ($mon<10);
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$mday = "0".$mday if ($mday<10);
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$hour = "0".$hour if ($hour<10);
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$min = "0".$min if ($min<10);
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$sec = "0".$sec if ($sec<10);
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my $date = $year.$mon.$mday.$hour.$min.$sec;
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return 1 if ( ($date >= $start) and ($date <= $end) );
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return 0;
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}
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1;
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__END__
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=head1 NAME
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Lemonldap::NG::Common::Safelib - Contains functions that are automatically
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imported in Lemonldap::NG Safe objects to be used in expressions like rules,
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macros,...
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=head1 SYNOPSIS
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Private module not documented.
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=head1 DESCRIPTION
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Private module not documented.
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=head1 SEE ALSO
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L<Lemonldap::NG::Manager>, L<Lemonldap::NG::Portal>, L<Lemonldap::NG::Handler>
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=head1 AUTHOR
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Xavier Guimard, E<lt>x.guimard@free.frE<gt>
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Clement Oudot
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=head1 COPYRIGHT AND LICENSE
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Copyright (C) 2009 by Xavier Guimard
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This library is free software; you can redistribute it and/or modify
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it under the same terms as Perl itself, either Perl version 5.10.0 or,
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at your option, any later version of Perl 5 you may have available.
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=cut
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