Merge branch 'dev' into 'dev'

Precise cache related headers processing; remove duplicated code and optimization

See merge request hubzilla/core!1596
This commit is contained in:
Mario 2019-04-19 15:19:19 +02:00
commit c9c35255e7

View File

@ -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.