lemonldap-ng/modules/lemonldap-portal-cas/lib/Lemonldap/Portal/LoginCAS.pm
2007-04-12 07:48:56 +00:00

432 lines
12 KiB
Perl

package Lemonldap::Handlers::LoginCAS;
use strict;
use warnings;
use Lemonldap::Config::Parameters;
use Lemonldap::Portal::Standard;
use Apache2::Const qw(DONE FORBIDDEN OK SERVER_ERROR REDIRECT);
use Apache2::Log();
use APR::Table;
use Apache2::RequestRec ();
use Apache2::ServerRec();
use Data::Dumper;
use Template;
use URI::Escape;
use CGI ':cgi-lib';
use Apache::Session::Memorycached;
use MIME::Base64;
use Encode qw(encode);
use Lemonldap::Portal::Session;
use Net::LDAP::Entry;
use IO::File;
our $VERSION = '1.0.0';
use AuthCAS;
my $client_addr;
my $sessCacheRefreshPeriod;
my $log;
my $dump;
my $html;
my $Stack_User;
#my $UserAttributes;
my $Major;
my $MyApplicationXmlFile;
my $MyDomain;
my $LoginPage;
my $RedirectPage;
my $Parameters;
my $Conf_Domain;
my $Login_Url;
my $Cookie_Name;
#my $ipCheck;
#my $inactivityTimeout;
my $Ldap_Server;
my $Ldap_Branch_People;
my $Ldap_Dn_Manager;
my $Ldap_Pass_Manager;
my $Ldap_Port;
my @attrs;
my $Ldap_Search_Bases;
my @base;
my $MemcachedServer;
my $CookieName;
my $line_session;
my $_username;
#my $InactivityTimeout;
#my $Encryptionkey;
my $page_html;
my $Menu;
my $Messages = {
1 =>
'Votre connexion a expiré vous devez vous authentifier de nouveau',
2 =>
'Les champs "Identifiant" et "Mot de passe&quot doivent être remplis',
3 => 'Wrong directory manager account or password',
4 => 'n\'a pas été trouvé dans l\'annuaire',
5 => 'Mot de passe erroné',
6 =>
'Votre adresse IP a été modifié. Vous devez vous authentifier de nouveau',
7 => 'Serveral Entries found on ldap server for this user',
8 => 'Bad connection to ldap server',
};
sub my_none {
return 0;
}
######## only use if you don't have ldap server
sub my_entry {
my $self =shift;
my $entry = Net::LDAP::Entry->new();
my $user =$self->user;
$entry->dn("uid=$user,dc=demo,dc=net") ;
$entry->add(uid =>$user );
$entry->add(mail =>"$user\@demo.net" );
$entry->add(roleprofil =>'APPLIX;my_role' );
$self->{entry}=$entry;
my $fh = IO::File->new_tmpfile ;
$entry->dump($fh);
my @a;
seek ($fh,0,0);
for (<$fh>) {
push @a,$_;
}
my $a =join '<br>', @a;
$self->{dump} =$a;
undef $fh;
return 1;
}
#############################
sub my_credential {
1;
}
sub My_Session {
my $self = shift;
my $paramxml = $self->{line_session};
my %Session;
my $entry = $self->{entry};
my $l = Dumper ($paramxml) ;
my $obj = Lemonldap::Portal::Session->init( $paramxml, 'entry' => $entry );
$self->{infosession} = $obj;
}
sub handler {
my $r = shift;
my $Stack_User;
$log = $r->log;
### 1 tester le TGT cookie
my %Param = Vars();
my $origine = $Param{'url'};
$MyApplicationXmlFile = $r->dir_config('ConfigFile');
$MyDomain = lc( $r->dir_config('Domain') );
$Major = $r->dir_config('Organization');
if ( !defined($Major) ) {
$Major = "authz_headers";
}
$Parameters =
Lemonldap::Config::Parameters->new( file => $MyApplicationXmlFile, );
$Conf_Domain = $Parameters->getDomain($MyDomain);
my $myaddress = $Conf_Domain->{Portal};
my $Login_Url = $Conf_Domain->{PortalCAS};
my $CASUrl = $Conf_Domain->{CASUrl};
my $CASValidate = $Conf_Domain->{CASValidate};
my $CAFile = $Conf_Domain->{CAFile};
$Cookie_Name = $Conf_Domain->{Cookie};
my $CookieNamep = $Cookie_Name . "_prov";
$Ldap_Server = $Conf_Domain->{ldap_server};
$Ldap_Branch_People = $Conf_Domain->{ldap_branch_people};
$Ldap_Dn_Manager = $Conf_Domain->{DnManager};
$Ldap_Pass_Manager = $Conf_Domain->{passwordManager};
$Ldap_Port = $Conf_Domain->{ldap_port};
$Ldap_Search_Bases = $Ldap_Branch_People;
@base = split(/\s*:\s*/,$Ldap_Search_Bases);
$line_session = $Conf_Domain->{DefinitionSession};
$MemcachedServer =
$Parameters->formateLineHash(
$Parameters->findParagraph( 'session', 'memcached' )->{SessionParams} );
################ recup cookie prov ######################
my $entete2 = $r->headers_in();
#Recuperation du Cookie
my $idx_tmp = $entete2->{'Cookie'};
my $local_cookie = $CookieNamep;
my @tab = split /;/, $idx_tmp;
my $cookie;
my $idrecup;
my $needticket=1;
foreach (@tab) {
if (/$local_cookie=([^; ]+)/) {
$cookie = $1;
}
}
my $etat;
if ($cookie) { # il peut peut etre deja ok ? ######
my %_it;
my $Memcachedfast= $MemcachedServer;
$Memcachedfast->{timeout}= 100 ;
tie %_it, 'Apache::Session::Memorycached', $cookie, $Memcachedfast;
my $or = $_it{origine};
untie %_it;
if ($or) {
#### il est de retour avec son tiket
my $ticket = $Param{'ticket'};
$etat = 1;
if ($ticket) { ### un petit coup de cas ?
$needticket = 0;
my $cas = new AuthCAS(
'casUrl' => $CASUrl,
'serviceValidatePath' => $CASValidate,
'CAFile' => $CAFile,
);
my $user = $cas->validateST( $myaddress, $ticket );
if ( !$user ) { # erreur il faut arreter
return FORBIDDEN;
}
else {
### tout est ok
## je retrouve le service initial et je continue la pile
$Param{identifiant} = $user;
$Param{secret} = $user;
$Param{url} = $or;
}
}
else {
return FORBIDDEN;
}
}
}
if ($needticket) {
######## attibution d un numero provisoire ###############
my %_it;
tie %_it, 'Apache::Session::Memorycached', undef, $MemcachedServer;
$_it{origine} = $origine || 'Tk9ORQ=='; #NONE in base64 representation
my $idprov = $_it{'_session_id'};
untie %_it;
#### won genere un cookie lemonldap avec le numero de session prov
my $dotdomain = "." . $MyDomain;
my $pathlemon = '/';
my $LemonCookie = CGI::cookie(
-name => $CookieNamep,
-value => $idprov,
-domain => $dotdomain,
-path => $pathlemon,
);
my $redirection = $Login_Url;
$redirection .= "?service=" . uri_escape($myaddress);
print CGI::header(
-Refresh => '0; URL=' . $redirection,
-cookie => $LemonCookie
);
return DONE;
} else
{
### tout est ok il faut deroule la pile
$Stack_User = Lemonldap::Portal::Standard->new(
'msg' => $Messages,
'credentials' => \&my_credential,
'setSessionInfo' => \&My_Session,
'line_session' => $line_session,
);
my $Retour = $Stack_User->process( 'param' => \%Param,
'server' => $Ldap_Server,
'base' => \@base,
);
my $Message = '';
my $Erreur;
if ($Retour) {
$Message = $Retour->message;
$Erreur = $Retour->error;
}
if ($Erreur) {
return FORBIDDEN;
}
my $MyHashSession = $Retour->infoSession;
my $l = Dumper($MyHashSession) ;
my %Session;
tie %Session, 'Apache::Session::Memorycached', undef, $MemcachedServer;
foreach (keys %{$MyHashSession}){
$Session{$_}= $MyHashSession->{$_} if $MyHashSession->{$_} ;
}
my $Session_Id = $Session{'_session_id'};
my $l =Dumper (\%Session);
$l =~ s/\n/\<br\>/g;
$l=~ s/\$var\d+/Item/ig;
untie %Session;
# Cookie creation
my $PathCookie = "/";
my $LemonldapCookie = CGI::cookie(
-name => $Cookie_Name,
-value => $Session_Id,
-domain => ".".$MyDomain,
-path => $PathCookie,
);
my $LemonldapCookieprov = CGI::cookie(
-name => "$CookieNamep",
-value => 0,
-domain => ".".$MyDomain,
-path => $PathCookie,
);
my $UrlDecode = $Retour->getRedirection();
undef $UrlDecode if $UrlDecode=~ /none/i ;
if ($UrlDecode) {
print CGI::header( -Refresh => '0; URL='.$UrlDecode, -cookie => [$LemonldapCookie, $LemonldapCookieprov] );
return OK;
} else {
$r->content_type('text/html');
$r->headers_out->add( 'Set-Cookie' => $LemonldapCookieprov );
$r->headers_out->add( 'Set-Cookie' => $LemonldapCookie );
$r->print ;
$r->print(<<END1);
<html>
<head>
<title>lemonldap websso</title>
<style type="text/css" media="all">
p { color: #060;
font-size: 1.0em;
font-family: Verdana, Arial, sans-serif;
font-weight: bold;
}
h1 { color: #000;
font-size: 1.5em;
font-family: Verdana, Arial, sans-serif;
font-weight: bold;
border-bottom: 3px solid #019733;
margin: 40px 0 20px 0px;
padding: 0 0.5em 0.5em 0.5em;
}
body { background-color: #77E0AB; }
label { background-color: #94DBB7;
color: #018023;
font-weight: bold;
padding: 4px;
font-family: Verdana, Arial, sans-serif;
font-size: 0.9em;
width: 500px;
}
br { display: none;
}
.nodisp { display: none; }
</style>
</head>
<body>
<h1>Hello on lemonldap and CAS websso 'world</h1>
<p>
<center><label>Your are Authenticate on lemondap webSSO and CAS server</label>
</center>
</body>
</html>
END1
return OK;
}
}
}
1;
=pod
=head1 NAME
Lemonldap::Portal::CAS - Perl extension for lemonldap websso
=head1 SYNOPSIS
use Lemonldap::Portal::LoginCAS
=head1 DESCRIPTION
Lemonldap is a Reverse-proxy webSSO and CAS (Central Authentification Service) is an another websso from Yales university .
CAS acts like Authentification service NOT for authorization service .
These modules give the capacity at a lemonldap to resquest authentication upon CAS server.
So , an user will be authenticate on CAS server AND authozized by lemonldap
Need AuthCAS module .
=head1 INSTALLATION
First intall lemonlap (see http://lemonldap.objecweb.org) )
Configures your Apache like this :
PerlSetVar Domain demo.net
PerlSetVar Configfile /usr/local/monapache/conf/application.xml
<location /portail>
setHandler modperl
perlresponsehandler Lemonldap::Handlers::LoginCAS
PerlOptions +GlobalRequest
</location>
Your application.xml is like this
<domain id="demo.net"
Cookie="lemondemo"
Sessionstore="memcached"
Portal= "http://authen.demo.net/portail/accueil.pl"
PortalCAS= "https://10.75.204.108:8443/esup/login"
CASUrl ="https://10.75.204.108:8443"
CASValidate ="/esup/serviceValidate"
CASFile ="/certificate/ca.cer"
ldap_server="ldap.demo.net"
ldap_branch_people="ou=personnes,dc=demo,dc=net"
>
=head2 EXPORT
None by default.
=head1 SEE ALSO
lemonldap websso framework
=head1 AUTHOR
Eric German , E<lt>germanlinux@yahoo.frE<gt>
=head1 COPYRIGHT AND LICENSE
Copyright (C) 2007 by lemonasso
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself, either Perl version 5.8.5 or,
at your option, any later version of Perl 5 you may have available.
=cut