From 9b3cba566de0bc5740e48f3f50eb8b09ffad49dc Mon Sep 17 00:00:00 2001
From: Cash Costello <cash.costello@gmail.com>
Date: Sat, 3 Oct 2009 19:26:12 +0000
Subject: allowing browser to cache photos now

---
 thumbnail.php | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

(limited to 'thumbnail.php')

diff --git a/thumbnail.php b/thumbnail.php
index eaca0849f..f310aee95 100644
--- a/thumbnail.php
+++ b/thumbnail.php
@@ -60,10 +60,19 @@
 	if (!$contents) {
 		forward('mod/tidypics/graphics/' . $error_image);
 	}
+	
+	// expires every 14 days
+	$expires = 14 * 60*60*24;
 
-	// Return the thumbnail and exit
+	// overwrite header caused by php session code so images can be cached
 	$mime = $file->getMimeType();
-	header("Content-type: $mime");
+	header("Content-Type: $mime");
+	header("Content-Length: " . strlen($contents));
+	header("Cache-Control: public", true);
+	header("Pragma: public", true);
+	header('Expires: ' . gmdate('D, d M Y H:i:s', time() + $expires) . ' GMT', true);
+	
+	// Return the thumbnail and exit
 	echo $contents;
 	exit;
 ?>
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