westdc-ftp/web/proftp.php

<?php
	$link = pg_connect("dbname=metadata user=gis password=gispassword host=210.77.68.241");
	if (!$link) 
	{
		die("Error in connection: " . pg_last_error());
	}
	//安全检查：只接受来自westdc.westgis.ac.cn的访问
	if(@$_SERVER['HTTP_CLIENT_IP']){  
		$onlineip=$_SERVER['HTTP_CLIENT_IP'];  
	}elseif(@$_SERVER['HTTP_X_FORWARDED_FOR']){  
		$onlineip=$_SERVER['HTTP_X_FORWARDED_FOR'];  
	}else{  
		$onlineip=$_SERVER['REMOTE_ADDR'];  
	}
	if ($onlineip!='210.77.68.241' && $onlineip!='2001:cc0:f006::9')
		die("error! You are not permitted to visit this page.".$onlineip);  
	//文件生成
	$onlineappid=(int)@$_GET['onlineappid'];
	$offlineappid=(int)@$_GET['offlineappid'];
	if (!($onlineappid>0 || $offlineappid>0))
	{
		die("Error in parameter.");
	}
	$sql="select dataorder.userid,dataset.path from dataorder left join dataset on dataorder.uuid=dataset.uuid 
		where dataorder.status in (0,5) and dataset.host='ftp2.westgis.ac.cn' and dataset.path<>'' and dataorder.selection is null";
	if ($onlineappid>0)
		$sql.=" and (dataset.lang='' or dataset.lang in (select lang from onlineapp where id=".$onlineappid.")) and dataorder.onlineappid=".$onlineappid;
	else if ($offlineappid>0)
		$sql.=" and dataorder.offlineappid=".$offlineappid;      
	$result = pg_query($link, $sql);
	$numrows = pg_num_rows($result);

   // Loop on rows in the result set.
   $content='';
	for($ri = 0; $ri < $numrows; $ri++) 
	{
		$row = pg_fetch_array($result, $ri);
		$content.='# path: '.$row['path']."\n";
		$content.='mkdir -p "/home/ftp/westdc_'.$row['userid'].'/'.preg_replace('/^.+[\\\\\\/]/', '', rtrim($row['path'],'/')).'"'."\n";
		$content.='mount --bind "'.$row['path'].'" "/home/ftp/westdc_'.$row['userid'].'/'.preg_replace('/^.+[\\\\\\/]/', '', rtrim($row['path'],'/')).'"'."\n";
   }
	$sql="select distinct dataorder.userid,dataset.path,dataservice.uuid from dataorder left join dataset on dataorder.uuid=dataset.uuid left join dataservice on dataorder.uuid=dataservice.uuid 
		where dataorder.status in (0,5) and dataset.host='ftp2.westgis.ac.cn' and dataset.path<>'' and dataorder.selection is not null and dataservice.service_type in (1,2)";
	if ($onlineappid>0)
		$sql.=" and dataorder.onlineappid=".$onlineappid;
	else if ($offlineappid>0)
		$sql.=" and dataorder.offlineappid=".$offlineappid;      
	$result = pg_query($link, $sql);
	$numrows = pg_num_rows($result);
	$basepath='/disk1/WestDC/wsndata/';
	for($ri = 0; $ri < $numrows; $ri++) 
	{
		$row = pg_fetch_array($result, $ri);
		$content.='# path: '.$row['path']."\n";
		$content.='mkdir -p "/home/ftp/westdc_'.$row['userid'].'/wsn_'.$row['userid'].'"'."\n";
		$content.='mount --bind "'.$basepath.'wsn_'.$row['userid'].'" "/home/ftp/westdc_'.$row['userid'].'/wsn_'.$row['userid'].'"'."\n";
   }

   $filename='./proftp-user.sh';
   if (!empty($content)) 
   	if (!file_put_contents($filename, $content, LOCK_EX))
   	{
   		sleep(1);
   		if (!file_put_contents($filename, $content, LOCK_EX))
   		{
   			sleep(1);
   			if (!file_put_contents($filename, $content, LOCK_EX))
   				die("error in write proftp-user.sh");
   		}
   	}
	pg_free_result($result);
	pg_close($link);
?>