375 lines
12 KiB
Perl
Executable File
375 lines
12 KiB
Perl
Executable File
package Lemonldap::Portal::LoginDAC;
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use strict;
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use warnings;
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use Apache2::Const;
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use Lemonldap::Config::Parameters;
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use Lemonldap::Portal::Standard;
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use Lemonldap::Portal::AccessPolicy;
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use Apache2::Const;
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use Data::Dumper;
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use Template;
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use URI::Escape;
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use CGI ':cgi-lib';
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use Apache::Session::Memorycached;
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use MIME::Base64;
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use Encode qw(encode);
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use Sys::Hostname;
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our $VERSION = '3.1.0';
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my $client_addr;
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my $SessCacheRefreshPeriod;
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my $Stack_User;
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my $LdapUserAttributes;
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my $Org;
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my $AccessPolicy;
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my $Ldap_Filter_Attribute;
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my $MyAttribute;
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my $MyDomain;
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my $LoginPage;
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my $RedirectPage;
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my $Parameters;
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my $Conf_Domain;
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my $Login_Url;
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my $IpCheck;
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my $Ldap_Server;
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my $Ldap_Branch_People;
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my $Ldap_Dn_Manager;
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my $Ldap_Pass_Manager;
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my $Ldap_Port;
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my @attrs;
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my @base;
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my $MemcachedServer;
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my $CookieName;
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my $InactivityTimeout;
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my $Encryptionkey;
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my $Menu;
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my $MemcachedSessionId;
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my $SessionParams;
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my $DacHostname;
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my $Messages = { 1 => 'Votre connexion a expiré vous devez vous authentifier de nouveau',
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2 => 'Les champs "Identifiant" et "Mot de passe" doivent être remplis',
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3 => 'Wrong directory manager account or password' ,
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4 => 'n\'a pas été trouvé dans l\'annuaire',
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5 => 'Mot de passe erroné' ,
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6 => 'Votre adresse IP a été modifié. Vous devez vous authentifier de nouveau',
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7 => 'Serveral Entries found on ldap server for this user',
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8 => 'Bad connection to ldap server',
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};
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sub My_Session {
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my $self = shift;
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my %Session;
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my $Entry = $self->{entry};
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$Session{dn} = $Entry->dn();
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$self->{dn} = $Entry->dn();
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my $res = $self->{AccessPolicy};
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if ($res eq "default"){
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Lemonldap::Portal::AccessPolicy->$res($Entry,\%Session,$Org,$MyAttribute);
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}else{
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Lemonldap::Portal::AccessPolicy->$res($Entry,\%Session,$Org);
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}
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if (defined($client_addr)){
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$Session{'clientIPAdress'}= $client_addr;
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}
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if (defined($SessCacheRefreshPeriod)){
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$Session{'SessExpTime'}= time() + $SessCacheRefreshPeriod ;
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}
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$self->{infosession} = \%Session;
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}
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sub handler {
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my $r = shift;
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my $log = $r->log;
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my $connexion = $r->dir_config();
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my $conf_httpd = &Lemonldap::Config::Initparam::init_param_httpd($log,$connexion);
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my $conf_xml = {};
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if ( defined $conf_httpd->{CONFIGFILE} ){
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$conf_xml = &Lemonldap::Config::Initparam::init_param_xml($conf_httpd);
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}
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my $Conf = &Lemonldap::Config::Initparam::merge($conf_httpd, $conf_xml);
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$MyDomain = lc($Conf->{DOMAIN});
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$LoginPage = $Conf->{LOGINPAGE};
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$RedirectPage = $Conf->{REDIRECTPAGE};
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$Org = $Conf->{ORGANIZATION};
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if ( ! defined($Org) ){
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$Org = "authz_headers";
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}
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$Login_Url = $Conf->{PORTAL};
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$AccessPolicy = $Conf->{ACCESSPOLICY};
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if ( ! defined($AccessPolicy) ){
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$AccessPolicy = 'default';
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}
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$IpCheck = $Conf->{CLIENTIPCHECK};
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$SessCacheRefreshPeriod = $Conf->{SESSCACHEREFRESHPERIOD};
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$Ldap_Filter_Attribute = $Conf->{LDAPFILTERATTRIBUTE};
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$Ldap_Server = $Conf->{LDAP_SERVER};
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$Ldap_Branch_People = $Conf->{LDAP_BRANCH_PEOPLE};
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$Ldap_Dn_Manager = $Conf->{DNMANAGER};
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$Ldap_Pass_Manager = $Conf->{PASSWORDMANAGER};
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$Ldap_Port = $Conf->{LDAP_PORT};
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$MemcachedSessionId = $Conf->{SESSIONSTORE};
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$CookieName = $Conf->{COOKIE};
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$InactivityTimeout = $Conf->{INACTIVITYTIMEOUT};
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$Encryptionkey = $Conf->{ENCRYPTIONKEY};
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$Menu = $Conf->{MENU};
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$LdapUserAttributes = $Conf->{LDAPUSERATTRIBUTES};
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if ($Ldap_Pass_Manager =~ /^\{CODED\}/ ){
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$Ldap_Pass_Manager = `/dactools/pass-crypt 1 $Ldap_Pass_Manager`;
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chomp($Ldap_Pass_Manager);
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}
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if (defined($LdapUserAttributes)){
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@attrs = split(/\s+/,$LdapUserAttributes);
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$MyAttribute = $attrs[0];
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}else{
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@attrs = ();
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}
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my @base = split(/\s*:\s*/,$Ldap_Branch_People);
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$MemcachedServer = $Conf->{SERVERS};
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if ( $Stack_User->{'AlreadyCreated'} ){
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undef $Stack_User->{'error'};
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}else{
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$Stack_User = Lemonldap::Portal::Standard->new('msg' => $Messages, 'setSessionInfo' => \&My_Session, 'attrs' => \@attrs, 'base' => \@base ,'AccessPolicy' => $AccessPolicy, 'log' => $log);
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$Stack_User->{'AlreadyCreated'} = "true";
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$DacHostname = hostname();
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}
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my $UrlCode;
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my $UrlDecode;
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my $Erreur;
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my %Params = Vars;
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my $Data;
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my $Template = Template->new('ABSOLUTE' => 1);
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my $Retour = $Stack_User->process( 'param' => \%Params,
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'server' => $Ldap_Server,
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'port' => $Ldap_Port,
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'DnManager' => $Ldap_Dn_Manager,
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'passwordManager' => $Ldap_Pass_Manager,
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'branch' => $Ldap_Branch_People,
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'Attributes' => $Ldap_Filter_Attribute,
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'filter' => undef,
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'log' => $log
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);
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my $Message = '';
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if ( $Retour ){
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$Message = $Retour->message;
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$Erreur = $Retour->error;
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}
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if ( $Erreur ) {
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if ( $Erreur == 1 ){
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# $log->info("LemonLDAP: Session expired for user <20>- ".$Retour->user );
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}
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if ( $Erreur == 6 ){
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# my $conn = $r->connection();
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# my $addr = $conn->remote_ip();
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# $log->info("LemonLDAP: IP changes in $addr for user -> ".$Retour->user);
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}
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if ( $Erreur == 7 ){
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$log->info("LemonLDAP: ".$Message." : ".$Retour->user);
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}
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# Login Page sending
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my $Identifiant = $Retour->user;
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($UrlCode, $UrlDecode) = $Stack_User->getAllRedirection;
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$Data = { 'urlc' => $UrlCode,
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'urldc' => $UrlDecode,
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'message' => $Message,
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'identifiant' => $Identifiant,
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'ip' => "DAC : ".$DacHostname
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};
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if ( $Erreur == 8 ){
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# bad connection to ldap server
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# reafficher la page de login sans les champs de saisie et les boutons pour l'authentification
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$Data->{debutcommentaire} = "<!--";
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$Data->{fincommentaire} = "-->";
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}
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print CGI::header();
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$Template->process( $LoginPage , $Data ) or die($Template->error());
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}
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else
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{
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# Sending Redirect to Generic
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my $MyHashSession = $Retour->infoSession;
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if (defined($SessCacheRefreshPeriod) && defined($InactivityTimeout)){
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$MemcachedServer->{timeout} = $SessCacheRefreshPeriod + $InactivityTimeout;
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}
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#No insertion in Memcached before untie
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$MemcachedServer->{updateOnly} = 1;
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my %Session;
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tie %Session, 'Apache::Session::Memorycached', undef, $MemcachedServer;
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foreach (keys %{$MyHashSession}){
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$Session{$_}= $MyHashSession->{$_} if $MyHashSession->{$_} ;
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}
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if (defined($SessCacheRefreshPeriod)){
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$Session{'SessExpTime'}= time() + $SessCacheRefreshPeriod ;
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}
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if ($IpCheck){
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my $connection = $r->connection();
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$client_addr = $connection->remote_ip();
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$Session{'clientIPAdress'}= $client_addr;
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}
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my $Session_Id = $Session{'_session_id'};
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untie %Session;
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my %session ;
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tie %session, 'Apache::Session::Memorycached', $Session_Id,$MemcachedServer;
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if (keys(%session) < 3){
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$log->error("SERVER MEMCACHED UNREACHABLE. PLEASE CHECK IF YOUR SERVER IS ON OR IF YOUR CONFIGURATION FILE IS CORRECT");
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return Apache2::Const::SERVER_ERROR ;
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}
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untie %session;
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# Cookie creation
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my $PathCookie = "/";
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# Habib Timeout
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#Positionnement de la valeur time_end
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my $val_test;
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if(defined($InactivityTimeout) && $InactivityTimeout != 0 ){
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my $time_end = time() + $InactivityTimeout;
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if (defined($Encryptionkey)){
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my $timeout_key = $Encryptionkey;
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my $cipher = new Crypt::CBC(-key => $timeout_key,-cipher => 'Blowfish',-iv => 'lemonlda',-header => 'none');
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$time_end = $cipher->encrypt_hex($time_end);
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}
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#Chaine utilise comme separateur entre l'id de session et le time_end
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#concatenation des deux valeurs
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my $separator = "_";
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$val_test = $Session_Id.$separator.$time_end;
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}else{
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$val_test = $Session_Id;
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}
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my $LemonldapCookie = CGI::cookie(
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-name => $CookieName,
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-value => $val_test,
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-domain => ".".$MyDomain,
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-path => $PathCookie,
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);
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$UrlDecode = $Retour->getRedirection();
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$UrlDecode = $Menu if ( $UrlDecode eq '' );
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$Data = { 'urldc' => $UrlDecode, 'message' => 'Session '.$Session_Id.$LemonldapCookie };
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print CGI::header( -Refresh => '0; URL='.$UrlDecode, -cookie => $LemonldapCookie );
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}
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return Apache2::Const::DONE ;
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}
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1;
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__END__
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=head1 NAME
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Lemonldap::Portal::Login - Login module for the lemonldap open source SSO system
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=head1 SYNOPSIS
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In the lemonldap SSO system, Lemonldap::Portal::Login is the module which is reponsible ofdisplaying
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un html authentication page to a user in order to authenticate him and create a session for fim. So
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after that, this user can access his applications.
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=head1 CONFIGURATION
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In order to get Lemonldap::Portal::Login working, you must make some configuration with Apache. Here is
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an example illustrating a lemonldap login virtual host :
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Listen 443
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<VirtualHost *:443>
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ServerName testdac.mysite.mydomain
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#LogLevel debug
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# https activation
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SSLEngine on
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SSLCertificateFile XXXXXXX.crt
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SSLCertificateKeyFile XXXXXXX.key
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# Loading Lemonldap::Portal::Login module
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PerlModule Lemonldap::Portal::Login
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<Location /DACLogin>
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# let execute under mod_perl
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SetHandler perl-script
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# execute in the response generation phase of apache request handling
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PerlResponseHandler Lemonldap::Portal::Login
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# the domain wich we control
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PerlSetVar Domain mysite.mydomain
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# the name of the organization
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PerlSetVar Organization MyOrganization
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# wich ldap attribut of the user we need
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PerlSetVar LdapUserAttributes "profilApplicatif"
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# wich attribut is the login of the user
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PerlSetVar LdapFilterAttribute uid
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# name of the lemonldap cookie
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PerlSetVar Cookie lemondgi
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# make a control based on ip adresse before using the lemonldap cookie
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PerlSetVar ClientIPCheck 1
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# Timeout inactivity berfore the session expires
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PerlSetVar InactivityTimeout 900
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# ldap server
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PerlSetVar Ldap_Server xxxxx
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# dn manager of the ldap server
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PerlSetVar DnManager xxxxxxxxxxxxxx
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# password of the dn manager
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PerlSetVar PasswordManager xxxxxxxx
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# branch where to do the ldap search
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PerlSetVar Ldap_Branch_People xxxxx
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# memcached local and central server
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PerlSetVar SessionParams "( local => ['localhost:11211'] , servers => [10.1.1.1:11211'])"
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# template of the login page
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PerlSetVar LoginPage /usr/local/apache2/htdocs/templates/login.thtml
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</Location>
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</VirtualHost>
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=head1 SEE ALSO
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Lemonldap::Handlers::Generic4a2, Lemonldap::Portal::Standard
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http://lemonldap.sourceforge.net/
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=head1 AUTHORS
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Eric GERMAN <germanlinux@yahoo.fr>
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Hamza AISSAT <asthamza@hotmail.fr>
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Habib ZITOUNI <zitouni.habib@gmail.com>
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Olivier THOMAS <olivier.tho@gmail.com>
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Ali POUYA <Ali.Pouya@dgi.finances.gouv.fr>
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Shervin AHMADI <Shervin.Ahmadi@dgi.finances.gouv.fr>
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