webgui/lib/LWP/Protocol/ldap.pm

143 lines
3.8 KiB
Perl

# 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 LWP::Protocol::ldap;
use Carp ();
use HTTP::Status ();
use HTTP::Negotiate ();
use HTTP::Response ();
use LWP::MediaTypes ();
require LWP::Protocol;
@ISA = qw(LWP::Protocol);
use strict;
eval {
require Net::LDAP;
};
my $init_failed = $@ ? $@ : undef;
sub request {
my($self, $request, $proxy, $arg, $size, $timeout) = @_;
$size = 4096 unless $size;
LWP::Debug::trace('()');
# check proxy
if (defined $proxy)
{
return new HTTP::Response &HTTP::Status::RC_BAD_REQUEST,
'You can not proxy through the ldap';
}
my $url = $request->url;
if ($url->scheme ne 'ldap') {
my $scheme = $url->scheme;
return new HTTP::Response &HTTP::Status::RC_INTERNAL_SERVER_ERROR,
"LWP::Protocol::ldap::request called for '$scheme'";
}
# check method
my $method = $request->method;
unless ($method eq 'GET') {
return new HTTP::Response &HTTP::Status::RC_BAD_REQUEST,
'Library does not allow method ' .
"$method for 'ldap:' URLs";
}
if ($init_failed) {
return new HTTP::Response &HTTP::Status::RC_INTERNAL_SERVER_ERROR,
$init_failed;
}
my $host = $url->host;
my $port = $url->port;
my $user = $url->user;
my $password = $url->password;
# Create an initial response object
my $response = new HTTP::Response &HTTP::Status::RC_OK, "Document follows";
$response->request($request);
my $ldap = new Net::LDAP($host, port => $port);
my $mesg = $ldap->bind;
if ($mesg->code) {
my $res = new HTTP::Response &HTTP::Status::RC_BAD_REQUEST,
"LDAP return code " . $ldap->code;
$res->content_type("text/plain");
$res->content($ldap->error);
return $res;
}
my $dn = $url->dn;
my @attrs = $url->attributes;
my $scope = $url->scope || "base";
my $filter = $url->filter;
my @opts = (scope => $scope);
push @opts, "base" => $dn if $dn;
push @opts, "filter" => $filter if $filter;
push @opts, "attrs" => \@attrs if @attrs;
$mesg = $ldap->search(@opts);
if ($mesg->code) {
my $res = new HTTP::Response &HTTP::Status::RC_BAD_REQUEST,
"LDAP return code " . $ldap->code;
$res->content_type("text/plain");
$res->content($ldap->error);
return $res;
}
else {
my $content = "<HEAD><TITLE>Directory Search Results</TITLE></HEAD>\n<BODY>";
my $entry;
my $index;
for($index = 0 ; $entry = $mesg->entry($index) ; $index++ ) {
my $attr;
$content .= $index ? "<TR><TH COLSPAN=2><hr>&nbsp</TR>\n"
: "<TABLE>";
$content .= "<TR><TH COLSPAN=2>" . $entry->dn . "</TH></TR>\n";
foreach $attr ($entry->attributes) {
my $vals = $entry->get_value($attr, asref => 1);
my $val;
$content .= "<TR><TD align=right valign=top";
$content .= " ROWSPAN=" . scalar(@$vals)
if (@$vals > 1);
$content .= ">" . $attr . "&nbsp</TD>\n";
my $j = 0;
foreach $val (@$vals) {
$val = qq!<a href="$val">$val</a>! if $val =~ /^https?:/;
$val = qq!<a href="mailto:$val">$val</a>! if $val =~ /^[-\w]+\@[-.\w]+$/;
$content .= "<TR>" if $j++;
$content .= "<TD>" . $val . "</TD></TR>\n";
}
}
}
$content .= "</TABLE>" if $index;
$content .= "<hr>";
$content .= $index ? sprintf("%s Match%s found",$index, $index>1 ? "es" : "")
: "<B>No Matches found</B>";
$content .= "</BODY>\n";
$response->header('Content-Type' => 'text/html');
$response->header('Content-Length', length($content));
$response = $self->collect_once($arg, $response, $content)
if ($method ne 'HEAD');
}
$ldap->unbind;
$response;
}