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-rw-r--r--Zotlabs/Module/Photo.php43
1 files changed, 13 insertions, 30 deletions
diff --git a/Zotlabs/Module/Photo.php b/Zotlabs/Module/Photo.php
index 37ae03460..7e25e08b2 100644
--- a/Zotlabs/Module/Photo.php
+++ b/Zotlabs/Module/Photo.php
@@ -40,7 +40,7 @@ class Photo extends \Zotlabs\Web\Controller {
call_hooks('cache_mode_hook', $cache_mode);
$observer_xchan = get_observer_hash();
- $ismodified = $_SERVER['HTTP_IF_MODIFIED_SINCE'];
+ $cachecontrol = '';
if(isset($type)) {
@@ -68,8 +68,6 @@ class Photo extends \Zotlabs\Web\Controller {
}
}
- $modified = filemtime($default);
- $default = z_root() . '/' . $default;
$uid = $person;
$data = '';
@@ -97,13 +95,17 @@ class Photo extends \Zotlabs\Web\Controller {
$default = $d['default'];
$data = $d['data'];
$mimetype = $d['mimetype'];
+ $modified = time();
}
if(! $data) {
- $x = z_fetch_url($default,true,0,[ 'novalidate' => true ]);
+ $x = z_fetch_url(z_root() . '/' . $default, true, 0, [ 'novalidate' => true ]);
$data = ($x['success'] ? $x['body'] : EMPTY_STR);
$mimetype = 'image/png';
+ $modified = filemtime($default);
}
+
+ $cachecontrol = ', must-revalidate';
}
else {
@@ -216,38 +218,18 @@ class Photo extends \Zotlabs\Web\Controller {
http_status_exit(404,'not found');
}
+ if(! $data)
+ killme();
+
header_remove('Pragma');
- if($ismodified === gmdate("D, d M Y H:i:s", $modified) . " GMT") {
+ if($_SERVER['HTTP_IF_NONE_MATCH'] === md5($data) || $_SERVER['HTTP_IF_MODIFIED_SINCE'] === gmdate("D, d M Y H:i:s", $modified) . " GMT") {
header_remove('Expires');
header_remove('Cache-Control');
header_remove('Set-Cookie');
http_status_exit(304,'not modified');
- }
-
- if(! isset($data)) {
- if(isset($resolution)) {
- switch($resolution) {
- case 4:
- $default = get_default_profile_photo();
- break;
- case 5:
- $default = get_default_profile_photo(80);
- break;
- case 6:
- $default = get_default_profile_photo(48);
- break;
- default:
- killme();
- // NOTREACHED
- break;
- }
- $x = z_fetch_url(z_root() . '/' . $default,true,0,[ 'novalidate' => true ]);
- $data = ($x['success'] ? $x['body'] : EMPTY_STR);
- $mimetype = 'image/png';
- }
}
-
+
if(isset($res) && intval($res) && $res < 500) {
$ph = photo_factory($data, $mimetype);
if($ph->is_valid()) {
@@ -284,12 +266,13 @@ class Photo extends \Zotlabs\Web\Controller {
$maxage = $expires - time();
header("Expires: " . gmdate("D, d M Y H:i:s", $expires) . " GMT");
- header("Cache-Control: max-age=" . $maxage);
+ header("Cache-Control: max-age=" . $maxage . $cachecontrol);
}
header("Content-type: " . $mimetype);
header("Last-Modified: " . gmdate("D, d M Y H:i:s", $modified) . " GMT");
+ header("ETag: " . md5($data));
header("Content-Length: " . (isset($filesize) ? $filesize : strlen($data)));
// If it's a file resource, stream it.