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47
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1 package IMPL::Security::Context;
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2 use strict;
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3 use warnings;
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4
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5 use base qw(IMPL::Object);
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6
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7 use IMPL::Class::Property;
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8
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9 require IMPL::Security::Principal;
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10
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11 my $current = __PACKAGE__->nobody;
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12 my $nobody;
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13
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14 BEGIN {
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15 public property Principal => prop_get;
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16 public property AssignedRoles => prop_all;
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17 }
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18
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19 sub Impersonate {
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20 my ($this,$code) = @_;
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21
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22 my $old = $current;
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23 my $result;
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24 local $@;
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25 eval {
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26 $result = $code->();
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27 };
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28 $current = $old;
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29 if($@) {
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30 die $@;
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31 } else {
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32 return $result;
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33 }
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34 }
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35
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36 sub nobody {
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37 my ($self) = @_;
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38 $nobody = $self->new(Principal => IMPL::Security::Principal->nobody, AssignedRoles => undef) unless $nobody;
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39 $nobody;
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40 }
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41
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42 1;
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