change storage paths according to issue description

command/download.php

@@ -77,26 +77,23 @@
 		);
 	}
 
-	foreach($conference->getExtraFiles() as $file)
+	foreach($conference->getExtraFiles() as $filename => $url)
 	{
 		download(
 			'extra-file',
 			$conference,
-			$file,
-			get_file_cache($conference, $file)
+			$url,
+			get_file_cache($conference, $filename)
 		);
 	}
 }
 
 
 
 
-function get_file_cache($conference, $url)
+function get_file_cache($conference, $filename)
 {
-	$info = parse_url($url);
-	$host = trim(preg_replace('/[^a-z0-9]/i', '_', $info['host']), '_');
-	$path = trim(preg_replace('/[^a-z0-9]/i', '_', $info['path']), '_');
-	return sprintf('/tmp/file-cache-%s_%s_%s-%s', $conference->getSlug(), $host, $path, md5($url));
+	return joinpath([$GLOBALS['BASEDIR'], 'configs/conferences', $conference->getSlug(), $filename]);
 }
 
 function download($what, $conference, $url, $cache)

index.php

@@ -3,6 +3,9 @@
 if(!ini_get('short_open_tag'))
 	die("`short_open_tag = On` is required\n");
 
+$GLOBALS['BASEDIR'] = dirname(__FILE__);
+chdir($GLOBALS['BASEDIR']);
+
 require_once('config.php');
 require_once('lib/helper.php');
 

model/Relive.php

@@ -26,7 +26,7 @@ public function getJsonUrl()
 
 	public function getJsonCache()
 	{
-		return sprintf('/tmp/relive-cache-%s', $this->getConference()->getSlug());
+		return sprintf('/tmp/relive-cache-%s.json', $this->getConference()->getSlug());
 	}
 
 	public function getTalks()

model/Schedule.php

@@ -272,7 +272,7 @@ public function getScheduleUrl()
 
 	public function getScheduleCache()
 	{
-		return sprintf('/tmp/schedule-cache-%s', $this->getConference()->getSlug());
+		return sprintf('/tmp/schedule-cache-%s.xml', $this->getConference()->getSlug());
 	}
 
 	public function getScheduleToRoomSlugMapping()