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# Copyright (c) 1998 Graham Barr <gbarr@pobox.com>. All rights reserved.
# This program is free software; you can redistribute it and/or
# modify it under the same terms as Perl itself.
package URI::_ldap;
use strict;
use warnings;
our $VERSION = '1.73';
$VERSION = eval $VERSION;
use URI::Escape qw(uri_unescape);
sub _ldap_elem {
my $self = shift;
my $elem = shift;
my $query = $self->query;
my @bits = (split(/\?/,defined($query) ? $query : ""),("")x4);
my $old = $bits[$elem];
if (@_) {
my $new = shift;
$new =~ s/\?/%3F/g;
$bits[$elem] = $new;
$query = join("?",@bits);
$query =~ s/\?+$//;
$query = undef unless length($query);
$self->query($query);
}
$old;
}
sub dn {
my $old = shift->path(@_);
$old =~ s:^/::;
uri_unescape($old);
}
sub attributes {
my $self = shift;
my $old = _ldap_elem($self,0, @_ ? join(",", map { my $tmp = $_; $tmp =~ s/,/%2C/g; $tmp } @_) : ());
return $old unless wantarray;
map { uri_unescape($_) } split(/,/,$old);
}
sub _scope {
my $self = shift;
my $old = _ldap_elem($self,1, @_);
return undef unless defined wantarray && defined $old;
uri_unescape($old);
}
sub scope {
my $old = &_scope;
$old = "base" unless length $old;
$old;
}
sub _filter {
my $self = shift;
my $old = _ldap_elem($self,2, @_);
return undef unless defined wantarray && defined $old;
uri_unescape($old); # || "(objectClass=*)";
}
sub filter {
my $old = &_filter;
$old = "(objectClass=*)" unless length $old;
$old;
}
sub extensions {
my $self = shift;
my @ext;
while (@_) {
my $key = shift;
my $value = shift;
push(@ext, join("=", map { $_="" unless defined; s/,/%2C/g; $_ } $key, $value));
}
@ext = join(",", @ext) if @ext;
my $old = _ldap_elem($self,3, @ext);
return $old unless wantarray;
map { uri_unescape($_) } map { /^([^=]+)=(.*)$/ } split(/,/,$old);
}
sub canonical
{
my $self = shift;
my $other = $self->_nonldap_canonical;
# The stuff below is not as efficient as one might hope...
$other = $other->clone if $other == $self;
$other->dn(_normalize_dn($other->dn));
# Should really know about mixed case "postalAddress", etc...
$other->attributes(map lc, $other->attributes);
# Lowercase scope, remove default
my $old_scope = $other->scope;
my $new_scope = lc($old_scope);
$new_scope = "" if $new_scope eq "base";
$other->scope($new_scope) if $new_scope ne $old_scope;
# Remove filter if default
my $old_filter = $other->filter;
$other->filter("") if lc($old_filter) eq "(objectclass=*)" ||
lc($old_filter) eq "objectclass=*";
# Lowercase extensions types and deal with known extension values
my @ext = $other->extensions;
for (my $i = 0; $i < @ext; $i += 2) {
my $etype = $ext[$i] = lc($ext[$i]);
if ($etype =~ /^!?bindname$/) {
$ext[$i+1] = _normalize_dn($ext[$i+1]);
}
}
$other->extensions(@ext) if @ext;
$other;
}
sub _normalize_dn # RFC 2253
{
my $dn = shift;
return $dn;
# The code below will fail if the "+" or "," is embedding in a quoted
# string or simply escaped...
my @dn = split(/([+,])/, $dn);
for (@dn) {
s/^([a-zA-Z]+=)/lc($1)/e;
}
join("", @dn);
}
1;
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