From: Christian Weiske <cweiske@cweiske.de>
Date: Wed, 9 Apr 2014 18:29:16 +0000 (+0200)
Subject: send expiry header for redirects
X-Git-Tag: v0.1.0~24
X-Git-Url: https://git.cweiske.de/phancap.git/commitdiff_plain/aff10bd3ebdabe6efe7f1ffdb9df7177c6334135

send expiry header for redirects
---

diff --git a/src/phancap/Image.php b/src/phancap/Image.php
index ab3868e..151847e 100644
--- a/src/phancap/Image.php
+++ b/src/phancap/Image.php
@@ -12,6 +12,16 @@ class Image
         $this->name = $name;
     }
 
+    /**
+     * @return integer Unix timestamp
+     */
+    public function getExpiryDate(Options $options)
+    {
+        $mtime = filemtime($this->getPath());
+
+        return $mtime + $options->values['smaxage'];
+    }
+
     public function getMimeType()
     {
         $ext = substr($this->name, -4);
diff --git a/www/get.php b/www/get.php
index 15463e4..739aaf8 100644
--- a/www/get.php
+++ b/www/get.php
@@ -42,6 +42,7 @@ try {
     $img = $rep->getImage($options);
     if ($config->redirect) {
         header('HTTP/1.0 302 Found');
+        header('Expires: ' . date('r', $img->getExpiryDate($options)));
         header('Location: ' . $img->getUrl());
     } else {
         header('Content-type: ' . $img->getMimeType());