From e75730d56b04ab61eaae5aa7fe6ade0116cb3cb8 Mon Sep 17 00:00:00 2001
From: User <user@mbr.local>
Date: Sun, 1 Jun 2014 00:09:47 -0400
Subject: [PATCH] Set proper headers on Cover Images so they can be cached by
the browser
---
.../src/VuFind/Controller/CoverController.php | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/module/VuFind/src/VuFind/Controller/CoverController.php b/module/VuFind/src/VuFind/Controller/CoverController.php
index 220f33fca16..e1fda710ba2 100644
--- a/module/VuFind/src/VuFind/Controller/CoverController.php
+++ b/module/VuFind/src/VuFind/Controller/CoverController.php
@@ -109,6 +109,22 @@ class CoverController extends AbstractBase
$headers->addHeaderLine(
'Content-type', $this->getLoader()->getContentType()
);
+
+ // Send proper caching headers so that the user's browser
+ // is able to cache the cover images and not have to re-request
+ // then on each page load. Default TTL set at 14 days
+
+ $coverImageTtl = (60*60*24*14); // 14 days
+ $headers->addHeaderLine(
+ 'Cache-Control', "maxage=".$coverImageTtl
+ );
+ $headers->addHeaderLine(
+ 'Pragma', 'public'
+ );
+ $headers->addHeaderLine(
+ 'Expires', gmdate('D, d M Y H:i:s', time()+$coverImageTtl) . ' GMT'
+ );
+
$response->setContent($this->getLoader()->getImage());
return $response;
}
--
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