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Merge pull request #118 from vapier/x-sendfile 

add optional support for the X-Sendfile header
This commit is contained in:
Andrew Dolgov 2013-04-01 22:29:48 -07:00
parent f58df87234 2d0838e6d3
commit 7461774f0f
1 changed files with 15 additions and 5 deletions
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20
image.php
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@ -27,12 +27,22 @@
$filename = CACHE_DIR . '/images/' . $hash . '.png';
if (file_exists($filename)) {
header("Content-type: image/png");
$stamp = gmdate("D, d M Y H:i:s", filemtime($filename)). " GMT";
header("Last-Modified: $stamp", true);
readfile($filename);
/* See if we can use X-Sendfile */
$xsendfile = false;
if (function_exists('apache_get_modules') &&
array_search('mod_xsendfile', apache_get_modules()))
$xsendfile = true;
if ($xsendfile) {
header("X-Sendfile: $filename");
header("Content-type: application/octet-stream");
header('Content-Disposition: attachment; filename="' . basename($filename) . '"');
} else {
header("Content-type: image/png");
$stamp = gmdate("D, d M Y H:i:s", filemtime($filename)). " GMT";
header("Last-Modified: $stamp", true);
readfile($filename);
}
} else {
header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found");
echo "File not found.";