120 lines
3.6 KiB
Perl
120 lines
3.6 KiB
Perl
##@file
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# Access control library for lemonldap::ng portal
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##@class
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# Access control library for lemonldap::ng portal
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package Lemonldap::NG::Portal::_LibAccess;
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use strict;
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our $VERSION = '1.2.0';
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# Global variables
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our ( $defaultCondition, $locationCondition, $locationRegexp, $cfgNum ) =
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( undef, undef, undef, 0 );
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BEGIN {
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eval {
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require threads::shared;
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threads::shared::share($defaultCondition);
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threads::shared::share($locationCondition);
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threads::shared::share($locationRegexp);
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threads::shared::share($cfgNum);
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};
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}
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## @method private boolean _grant(string uri)
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# Check user's authorization for $uri.
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# @param $uri URL string
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# @return True if granted
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sub _grant {
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my ( $self, $uri ) = splice @_;
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$self->lmLog( "Evaluate access right on $uri", 'debug' );
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$uri =~ m{(\w+)://([^/:]+)(:\d+)?(/.*)?$} or return 0;
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my ( $protocol, $vhost, $port, $path );
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( $protocol, $vhost, $port, $path ) = ( $1, $2, $3, $4 );
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$path ||= '/';
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$self->lmLog( "Evaluation for vhost $vhost and path $path", 'debug' );
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# Check global maintenance mode
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return 0 if $self->{maintenance};
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# Check vhost maintenance mode
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return 0 if $self->{vhostOptions}->{$vhost}->{vhostMaintenance};
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$self->_compileRules()
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if ( $cfgNum != $self->{cfgNum} );
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if ( defined $locationRegexp->{$vhost} ) { # Not just a default rule
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$self->lmLog( "Applying access rule from $vhost", 'debug' );
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for ( my $i = 0 ; $i < @{ $locationRegexp->{$vhost} } ; $i++ ) {
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if ( $path =~ $locationRegexp->{$vhost}->[$i] ) {
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$self->lmLog(
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"Applying access rule "
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. $locationCondition->{$vhost}->[$i]
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. " for path $path",
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'debug'
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);
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return &{ $locationCondition->{$vhost}->[$i] }($self);
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}
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}
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}
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else {
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$self->lmLog( "Applying default access rule from $vhost", 'debug' );
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}
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unless ( $defaultCondition->{$vhost} ) {
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$self->lmLog(
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"Application $uri did not match any configured virtual host",
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'warn' );
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return 0;
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}
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return &{ $defaultCondition->{$vhost} }($self);
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return 1;
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}
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## @method private boolean _compileRules()
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# Parse configured rules and compile them
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# @return True
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sub _compileRules {
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my $self = shift;
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foreach my $vhost ( keys %{ $self->{locationRules} } ) {
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my $i = 0;
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$self->lmLog( "Compiling rules for $vhost", 'debug' );
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foreach ( keys %{ $self->{locationRules}->{$vhost} } ) {
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if ( $_ eq 'default' ) {
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$defaultCondition->{$vhost} =
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$self->_conditionSub(
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$self->{locationRules}->{$vhost}->{$_} );
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}
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else {
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$locationCondition->{$vhost}->[$i] =
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$self->_conditionSub(
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$self->{locationRules}->{$vhost}->{$_} );
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$locationRegexp->{$vhost}->[$i] = qr/$_/;
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$i++;
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}
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}
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# Default policy
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$defaultCondition->{$vhost} ||= $self->_conditionSub('accept');
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}
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$cfgNum = $self->{cfgNum};
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1;
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}
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## @method private CODE _conditionSub(string cond)
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# Return subroutine giving authorization condition.
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# @param $cond boolean expression
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# @return Compiled routine
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sub _conditionSub {
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my ( $self, $cond ) = splice @_;
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return sub { 1 }
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if ( $cond =~ /^(?:accept|unprotect|skip)$/i );
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return sub { 0 }
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if ( $cond =~ /^(?:deny$|logout)/i );
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my $sub = "sub {my \$self = shift; return ( $cond )}";
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return $self->safe->reval($sub);
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}
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1;
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