1 files changed, 140 insertions, 0 deletions
diff --git a/lib/URI/_ldap.pm b/lib/URI/_ldap.pm
new file mode 100644
index 0000000..02f468c
--- /dev/null
+++ b/lib/URI/_ldap.pm
@@ -0,0 +1,140 @@
+# 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 = "1.69";
+
+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;