<?php
function pretty_string($str)
{
	return ucwords(str_replace('_',' ',$str));
}
function pretty_size($str)
{
	$end = array('B','KB','MB','GB','TB','PB','EB','ZB','YB');
	$i = 0;
	while($str >= 1024 && $i < count($end))
	{
		$i++;
		$str /= 1024;
	}
	return round($str,2).' '.$end[$i];
}

if(!empty($_GET['file'])) {

	require_once('AWSSDKforPHP/sdk.class.php');
	define('AWS_KEY','AKIAJIOW3K3BIX5SRZIQ');
	define('AWS_SECRET_KEY','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');
	try {
	$s3 = new AmazonS3();
	} catch(Exception $e) {
		die('<pre>'.print_r($e,true).'</pre>');
	}
	if(!$s3->if_bucket_exists('media.learningcentersupport.com'))
	{
		die('Can\'t connect to storage server for audio recordings');
	}
	$recordings = array();
	try {
		$meta = $s3->get_object_metadata('media.learningcentersupport.com', $_GET['file']);
	} catch(Exception $e) {
		die('<pre>'.print_r($e,true).'</pre>');
	}
	$url = $s3->get_object_url('media.learningcentersupport.com', $_GET['file'], '8 hour'); 
	//$url = str_replace('.s3.amazonaws.com','',$url); 
	$urlParts = explode('/',preg_replace('/\?.*/','',urldecode($url))); 
	$fileName = $urlParts[count($urlParts)-1]; 
	$type = $urlParts[count($urlParts)-2]; 
	$fileParts = explode('.',$fileName); 
	$uuid = $fileParts[0]; 
	$recordings[] = array(
		'url'	=> $url, 
		'fileName' 	=> $fileName, 
		'type'	=> pretty_string($type), 
		'UUID' 	=> $uuid, 
		'fileSize'	=> pretty_size($meta['Size']),
		'dateCreated'	=> date('m/d/Y h:i:s',strtotime($meta['Headers']['last-modified']))
		);
	foreach($recordings as $r) {
		if(!empty($_GET['mime'])) {
			$mime = $_GET['mime'];
		} else {
			switch(strtolower(substr(strrchr($r['fileName'], '.'), 1))) {
				case 'pdf': $mime = 'application/pdf'; break;
				case 'zip': $mime = 'application/zip'; break;
				case 'jpeg':
				case 'jpg': $mime = 'image/jpg'; break;
				case 'png': $mime = 'image/png'; break;
				case 'html': $mime = 'text/html'; break;
				default: $mime = 'application/force-download';
			}			
		}
		//header("Location: ".$r['url']);
		$file = file_get_contents($r['url']);
		header('Content-Disposition: inline; filename="'.$r['fileName'].'"');
		header('Content-Type: '.$mime);
		die($file);
	}
}
?>