<?php
// +-------------------------------------------------+
// © 2002-2004 PMB Services / www.sigb.net pmb@sigb.net et contributeurs (voir www.sigb.net)
// +-------------------------------------------------+
// $Id: doc_num_data.php,v 1.19.6.4 2014-10-30 10:30:39 mbertin Exp $

$base_path=".";
require_once($base_path."/includes/init.inc.php");

require_once($base_path."/includes/error_report.inc.php") ;

//Sessions !! Attention, ce doit être impérativement le premer include (à cause des cookies)
require_once($base_path."/includes/session.inc.php");
require_once($base_path."/includes/global_vars.inc.php");
require_once($base_path."/includes/opac_config.inc.php");

if ($css=="") $css=1;

// récupération paramètres MySQL et connection á la base
require_once($base_path."/includes/opac_db_param.inc.php");
require_once($base_path."/includes/opac_mysql_connect.inc.php");
$dbh = connection_mysql();

require_once($base_path."/includes/start.inc.php");

require_once($base_path."/includes/check_session_time.inc.php");

// récupération localisation
require_once($base_path."/includes/localisation.inc.php");

// version actuelle de l'opac
require_once($base_path."/includes/opac_version.inc.php");

require_once ("./includes/explnum.inc.php");

require_once ($class_path."/upload_folder.class.php"); 

//gestion des droits
require_once($class_path."/acces.class.php");

// si paramétrage authentification particulière et pour la re-authentification ntlm
if (file_exists($base_path.'/includes/ext_auth.inc.php')) require_once($base_path.'/includes/ext_auth.inc.php');

/**
 * Récupère les infos du document numérique
 */
function recup_explnum_infos($id_explnum){
	
	global $infos_explnum;
	
	$rqt_explnum = "SELECT explnum_id, explnum_notice, explnum_bulletin, IF(location_libelle IS null, '', location_libelle) AS location_libelle, explnum_nom, explnum_mimetype, explnum_url, explnum_extfichier, IF(explnum_nomfichier IS null, '', explnum_nomfichier) AS nomfichier, explnum_path, IF(rep.repertoire_nom IS null, '', rep.repertoire_nom) AS nomrepertoire
		from explnum ex_n
		LEFT JOIN explnum_location ex_l ON ex_n.explnum_id= ex_l.num_explnum
		LEFT JOIN docs_location dl ON ex_l.num_location= dl.idlocation
		LEFT JOIN upload_repertoire rep ON ex_n.explnum_repertoire= rep.repertoire_id
		where explnum_id='".$id_explnum."'";
	$res_explnum=mysql_query($rqt_explnum);
	while(($explnum = mysql_fetch_array($res_explnum,MYSQL_ASSOC))){
		$infos_explnum[]=$explnum;
	}
}

$resultat = mysql_query("SELECT explnum_id, explnum_notice, explnum_bulletin, explnum_nom, explnum_mimetype, explnum_url, explnum_data, length(explnum_data) as taille,explnum_path, concat(repertoire_path,explnum_path,explnum_nomfichier) as path, repertoire_id, explnum_nomfichier, explnum_extfichier FROM explnum left join upload_repertoire on repertoire_id=explnum_repertoire WHERE explnum_id = '$explnum_id' ", $dbh);
$nb_res = mysql_num_rows($resultat) ;

if (!$nb_res) {
	exit ;
} 

$ligne = mysql_fetch_object($resultat);

$id_for_rigths = $ligne->explnum_notice;
if($ligne->explnum_bulletin != 0){
	//si bulletin, les droits sont rattachés à la notice du bulletin, à défaut du pério...
	$req = "select bulletin_notice,num_notice from bulletins where bulletin_id =".$ligne->explnum_bulletin;
	$res = mysql_query($req);
	if(mysql_num_rows($res)){
		$row = mysql_fetch_object($result);
		$id_for_rigths = $row->num_notice;
		if(!$id_for_rigths){
			$id_for_rigths = $row->bulletin_notice;
		}
	}$type = "" ;
}


//droits d'acces emprunteur/notice
if ($gestion_acces_active==1 && $gestion_acces_empr_notice==1) {
	$ac= new acces();
	$dom_2= $ac->setDomain(2);
	$rights= $dom_2->getRights($_SESSION['id_empr_session'],$id_for_rigths);
}


//Accessibilité des documents numériques aux abonnés en opac
$req_restriction_abo = "SELECT  explnum_visible_opac, explnum_visible_opac_abon FROM notice_statut, explnum, notices WHERE explnum_notice=notice_id AND statut=id_notice_statut  AND explnum_id='$explnum_id'";
$result=mysql_query($req_restriction_abo,$dbh);
$expl_num=mysql_fetch_array($result);

if( $rights & 16 || (is_null($dom_2) && $expl_num["explnum_visible_opac"] && (!$expl_num["explnum_visible_opac_abon"] || ($expl_num["explnum_visible_opac_abon"] && $_SESSION["user_code"])))){
	if (($ligne->explnum_data)||($ligne->explnum_path)) {
		if($pmb_logs_activate){
			//Récupération des informations du document numérique
			recup_explnum_infos($explnum_id);
			//Enregistrement du log
			global $log, $infos_explnum;
					
			$rqt= " select empr_prof,empr_cp, empr_ville as ville, empr_year, empr_sexe, empr_login,  empr_date_adhesion, empr_date_expiration, count(pret_idexpl) as nbprets, count(resa.id_resa) as nbresa, code.libelle as codestat, es.statut_libelle as statut, categ.libelle as categ, gr.libelle_groupe as groupe,dl.location_libelle as location 
					from empr e
					left join empr_codestat code on code.idcode=e.empr_codestat
					left join empr_statut es on e.empr_statut=es.idstatut
					left join empr_categ categ on categ.id_categ_empr=e.empr_categ
					left join empr_groupe eg on eg.empr_id=e.id_empr
					left join groupe gr on eg.groupe_id=gr.id_groupe
					left join docs_location dl on e.empr_location=dl.idlocation
					left join resa on e.id_empr=resa_idempr
					left join pret on e.id_empr=pret_idempr
					where e.empr_login='".addslashes($_SESSION['user_code'])."'
					group by resa_idempr, pret_idempr";	
			$res=mysql_query($rqt);
			if($res){
				$empr_carac = mysql_fetch_array($res);
				$log->add_log('empr',$empr_carac);
			}

			$log->add_log('num_session',session_id());
			$log->add_log('explnum',$infos_explnum);
			$infos_restriction_abo = array();
			foreach ($expl_num as $key=>$value) {
				$infos_restriction_abo[$key] = $value;
			}
			$log->add_log('restriction_abo',$infos_restriction_abo);

			$log->save();
		}
		if ($ligne->explnum_path) {
			$up = new upload_folder($ligne->repertoire_id);
			$path = str_replace("//","/",$ligne->path);
			$path=$up->encoder_chaine($path);
			$fo = fopen($path,'rb');
			$ligne->explnum_data=fread($fo,filesize($path));
			$ligne->taille=filesize($path);
			fclose($fo);
		}
		
		$nomfichier="";
		if ($ligne->explnum_nomfichier) {
			$nomfichier=$ligne->explnum_nomfichier;
		}elseif($ligne->explnum_extfichier){
			if($ligne->explnum_nom){
				$nomfichier=$ligne->explnum_nom;
				if(!preg_match("/\.".$ligne->explnum_extfichier."$/",$nomfichier)){
					$nomfichier.=".".$ligne->explnum_extfichier;
				}
			}else{
				$nomfichier="pmb".$ligne->explnum_id.".".$ligne->explnum_extfichier;
			}
		}
		if ($nomfichier) header("Content-Disposition: inline; filename=".$nomfichier);
		
		if ((substr($ligne->explnum_mimetype,0,5)=="image")&&($opac_photo_watermark)) {
			$content_image=reduire_image_middle($ligne->explnum_data);
			if ($content_image) {
				header("Content-Type: image/png");
				print $content_image;
			} else {
				header("Content-Type: ".$ligne->explnum_mimetype);
				print $ligne->explnum_data;
			}
		}else{
			header("Content-Type: ".$ligne->explnum_mimetype);
			header("Content-Length: ".$ligne->taille);
			print $ligne->explnum_data;
		}
		exit ;
	}
}