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Serve static files directly if not caught by web server

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This commit is contained in:
DM42.Net (Matt Dent) 2019-07-14 23:56:11 -04:00
parent b2d3a11de8
commit 68733a2bc0
1 changed files with 45 additions and 0 deletions
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45
boot.php
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@ -896,6 +896,51 @@ class App {
if(x($_GET,'q')) if(x($_GET,'q'))
self::$cmd = escape_tags(trim($_GET['q'],'/\\')); self::$cmd = escape_tags(trim($_GET['q'],'/\\'));
// Serve raw files from the file system in certain cases.
$filext = pathinfo(self::$cmd, PATHINFO_EXTENSION);
$serve_rawfiles=[
'jpg'=>'image/jpeg',
'jpeg'=>'image/jpeg',
'gif'=>'image/gif',
'png'=>'image/png',
'ico'=>'image/vnd.microsoft.icon',
'css'=>'text/css',
'js'=>'text/javascript',
'htm'=>'text/html',
'html'=>'text/html',
'map'=>'application/octet-stream',
'ttf'=>'font/ttf',
'woff'=>'font/woff',
'woff2'=>'font/woff2',
'svg'=>'image/svg+xml'];
if (array_key_exists($filext, $serve_rawfiles) && file_exists(self::$cmd)) {
$staticfilecwd = getcwd();
$staticfilerealpath = realpath(self::$cmd);
if(strpos($staticfilerealpath,$staticfilecwd) !== 0) {
header("HTTP/1.1 404 Not Found", true, 404);
killme();
}
$staticfileetag = '"'.md5($staticfilerealpath.filemtime(self::$cmd)).'"';
header("ETag: ".$staticfileetag);
header("Cache-control: max-age=2592000");
if(isset($_SERVER['HTTP_IF_NONE_MATCH'])) {
// If HTTP_IF_NONE_MATCH is same as the generated ETag => content is the same as browser cache
// So send a 304 Not Modified response header and exit
if($_SERVER['HTTP_IF_NONE_MATCH'] == $staticfileetag) {
header('HTTP/1.1 304 Not Modified', true, 304);
killme();
}
}
header("Content-type: ".$serve_rawfiles[$filext]);
$handle = fopen(self::$cmd, "rb");
fpassthru($handle);
fclose($handle);
killme();
}
// unix style "homedir" // unix style "homedir"
if((substr(self::$cmd, 0, 1) === '~') || (substr(self::$cmd, 0, 1) === '@')) if((substr(self::$cmd, 0, 1) === '~') || (substr(self::$cmd, 0, 1) === '@'))