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fix cached jsonld files fetched via network

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This commit is contained in:
Mario
2023-07-21 12:07:17 +00:00
parent 4b1384be83
commit 931b876b44
1 changed files with 50 additions and 33 deletions
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83
include/network.php
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@@ -462,7 +462,7 @@ function http_status($val, $msg = '',$skiplog = 0) {
if ($val >= 200 && $val < 300)
$msg = (($msg) ? $msg : 'OK');
if (!$skiplog)
if (!$skiplog)
logger(\App::$query_string . ':' . $val . ' ' . $msg);
header($_SERVER['SERVER_PROTOCOL'] . ' ' . $val . ' ' . $msg);
}
@@ -2041,68 +2041,85 @@ function getBestSupportedMimeType($mimeTypes = null, $acceptedTypes = false) {
return null;
}
/**
* @brief Perform caching for jsonld normaliser.
*
* @param string $url
* @return mixed|boolean|array
* @return mixed|bool|array
*/
function jsonld_document_loader($url) {
switch ($url) {
case 'https://www.w3.org/ns/activitystreams':
$url = z_root() . '/library/w3org/activitystreams.jsonld';
break;
case 'https://w3id.org/identity/v1':
$url = z_root() . '/library/w3org/identity-v1.jsonld';
break;
case 'https://w3id.org/security/v1':
$url = z_root() . '/library/w3org/security-v1.jsonld';
break;
default:
logger('URL: ' . $url, LOGGER_DEBUG);
break;
}
require_once('library/jsonld/jsonld.php');
$doc = (object) [
'contextUrl' => null,
'document' => null,
'documentUrl' => $url
];
$recursion = 0;
$builtins = [
'https://www.w3.org/ns/activitystreams' => 'library/w3org/activitystreams.jsonld',
'https://w3id.org/identity/v1' => 'library/w3org/identity-v1.jsonld',
'https://w3id.org/security/v1' => 'library/w3org/security-v1.jsonld',
];
$x = debug_backtrace();
if($x) {
foreach($x as $n) {
if($n['function'] === __FUNCTION__) {
$recursion ++;
if ($x) {
foreach ($x as $n) {
if ($n['function'] === __FUNCTION__) {
$recursion++;
}
}
}
if($recursion > 5) {
if ($recursion > 5) {
logger('jsonld bomb detected at: ' . $url);
killme();
}
foreach ($builtins as $key => $value) {
if ($url === $key) {
$doc->document = file_get_contents($value);
return $doc;
}
}
$cachepath = 'store/[data]/ldcache';
if(! is_dir($cachepath))
if(!is_dir($cachepath)) {
os_mkdir($cachepath, STORAGE_DEFAULT_PERMISSIONS, true);
}
$filename = $cachepath . '/' . urlencode($url);
if(file_exists($filename) && filemtime($filename) > time() - (12 * 60 * 60)) {
return json_decode(file_get_contents($filename));
if (file_exists($filename) && filemtime($filename) > time() - (12 * 60 * 60)) {
logger('loading ' . $filename . ' from recent cache');
$doc->document = file_get_contents($filename);
return $doc;
}
$r = jsonld_default_document_loader($url);
if($r) {
file_put_contents($filename, json_encode($r));
if ($r) {
if (!in_array($url, $builtins)) {
$cache_obj = $r;
// To prevent double encoding we need to decode $cache_obj->document
// before encoding the whole object for storage.
$cache_obj->document = json_decode($cache_obj->document);
file_put_contents($filename, json_encode($cache_obj));
}
return $r;
}
logger('not found');
if(file_exists($filename)) {
return json_decode(file_get_contents($filename));
if (file_exists($filename)) {
logger('loading ' . $filename . ' from longterm cache');
$doc->document = file_get_contents($filename);
return $doc;
}
else {
logger($filename . ' does not exist and cannot be loaded');
}
return [];
return $doc;
}
/**