<?php
// (c) Copyright 2002-2012 by authors of the Tiki Wiki CMS Groupware Project
// 
// All Rights Reserved. See copyright.txt for details and a complete list of authors.
// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
// $Id$
require_once ('tiki-setup.php');

if (@$feature_maps != 'y') {
	$smarty->assign('msg',tra("Feature disabled"));
	$smarty->display("error.tpl");
	die;
}
      
if (isset($_REQUEST['view_user'])) {
	$userwatch = $_REQUEST['view_user'];
} else {
	if ($user) {
		$userwatch = $user;
	} else {
		$smarty->assign('msg', tra("You are not logged in and no user indicated"));
		$smarty->display("error.tpl");
		die;
	}
}

if (!isset($_GET['mapfile']) || !isset($_GET['layer'])){
	$smarty->assign('msg', tra("You have not specified a mapfile and a layer"));
	$smarty->display("error.tpl");
	die;
} else {
	$smarty->assign('mapfile', $_GET['mapfile']);
	$smarty->assign('layer', $_GET['layer']);
}

if (!preg_match('/\.map$/i', $_GET['mapfile'])) {
	$smarty->assign('msg', tra("mapfile name incorrect"));
	$smarty->display("error.tpl");
	die;
}

if (isset($_GET['mapfile'])){
	// Validate to prevent displaying any file
	if (strstr($_GET["mapfile"], '..')) {
		$smarty->assign('errortype', 401);
		$smarty->assign('msg', tra("You do not have permission to do that"));
		$smarty->display('error.tpl');
		die;
	}
	$mapfile = $_GET['mapfile'];
	$map = ms_newMapObj($map_path.$mapfile);
} else {
	$map = ms_newMapObj($map_path.$default_map);
}

// process the mapfile to define if the layer can be downloaded...
for ($j=0;$j<$map->numlayers;$j++){
	$my_layers=$map->getLayer($j);
    
	//Metadata handling
	$download=FALSE;
	if ($my_layers->name==$_GET['layer']){
		if ($my_layers->getMetadata("DOWNLOAD")=='T'){
			$download=TRUE;
			if ($my_layers->connection!=""){
				$download_path=$map_path.$my_layers->connection;
			} else {
				$download_path=$map_path.$my_layers->data;
			}
		}
	}
}

//get the path and the filename without extension
$extension = array_pop(explode('.', basename($download_path)));
$file_name = substr(basename($download_path), 0,"-" . (strlen($extension) + 1));
$file_path = dirname($download_path);

// creates a temporary filename
$tempfile="TM".date("YmdHis");

// Get all files from the layer reference
$files = array();
$h = opendir($file_path);

//first check if there is not a file with NDL extension
// to stop download
$nodownload=FALSE;
while (($file = readdir($h)) !== false) {
	$extension = array_pop(explode('.', basename($file)));
	if (substr(basename($file), 0,"-" . (strlen($extension) + 1))==$file_name){
		if ($extension=="NDL") {
			$nodownload=TRUE;
		}
	}
}
closedir ($h);
$smarty->assign('nodownload', $nodownload);

$DSEP=DIRECTORY_SEPARATOR;

if (!$nodownload) {
	$h = opendir($file_path);
	while (($file = readdir($h)) !== false) {
		$extension = array_pop(explode('.', basename($file)));
		if (substr(basename($file), 0,"-" . (strlen($extension) + 1))==$file_name){
			$files[] = $file;
			copy($file_path.$DSEP.$file,"files".$DSEP.$tempfile.".".$extension);
			$dfiles[]=$tempfile.".".$extension;
		}
	}	
	closedir ($h);
}

//clean the files directory from old files
$h = opendir("files");

while (($file = readdir($h)) !== false) {
	if (substr($file,0,2)=="TM") {
		$filedate=substr($file,2,14);
		if ($filedate<=date("YmdHis",mktime (0,0,0,date("m"),date("d")-2,date("Y")))) {
			unlink("files".$DSEP.$file);
		}
	}
}
closedir ($h);

// record that the user wanted to download some files
// to be fixed by adding the tiki_download table definitively
$userid = $userlib->get_user_id($user);

$smarty->assign('nodownload', $nodownload);
$smarty->assign_by_ref('files',$files);
$smarty->assign_by_ref('dfiles',$dfiles);

$section = 'maps';
include_once ('tiki-section_options.php');

$smarty->assign('mid', 'map/tiki-map_download.tpl');
$smarty->assign('userwatch', $userwatch);
$smarty->display('tiki.tpl');
