From: Mischa POSLAWSKY <perl@shiar.org>
Date: Tue, 4 May 2021 17:01:33 +0000 (+0200)
Subject: foto: api directory modification headers
X-Git-Tag: v5.3~14
X-Git-Url: http://git.shiar.nl/minimedit.git/commitdiff_plain/0173ca693edf712e6f4c85a14a8b1befc9a50bf2

foto: api directory modification headers

Report presence and date to reduce dashboard bandwidth,
with minimal cache-control to avoid dynamic caching.
---

diff --git a/foto/index.php b/foto/index.php
index 1ebb539..45c49c9 100644
--- a/foto/index.php
+++ b/foto/index.php
@@ -11,6 +11,13 @@ $Page->title = ($nav ? implode(' ', $nav) . ': ' : '') . $title;
 
 if ($_SERVER['HTTP_ACCEPT'] === 'application/json') {
 	header('Access-Control-Allow-Origin: *');
+	header('Cache-Control: max-age=10');
+	if (file_exists($rootdir)) {
+		header('Last-Modified: '.gmdate(DATE_RFC7231, filemtime($rootdir)));
+	}
+	else {
+		http_response_code(404);
+	}
 	$imgs = [];
 	foreach (glob("$rootdir/*.jpg") as $path) {
 		$target = preg_replace('{^(\.\./)*}', '', readlink($path));