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-rw-r--r--include/network.php31
1 files changed, 31 insertions, 0 deletions
diff --git a/include/network.php b/include/network.php
index da1afc3ac..7e2dbf4cf 100644
--- a/include/network.php
+++ b/include/network.php
@@ -1943,4 +1943,35 @@ function getBestSupportedMimeType($mimeTypes = null, $acceptedTypes = false) {
}
// no mime-type found
return null;
+}
+
+
+function jsonld_document_loader($url) {
+
+ // perform caching for jsonld normaliser
+
+ require_once('library/jsonld/jsonld.php');
+
+ $cachepath = 'store/[data]/ldcache';
+ if(! is_dir($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));
+ }
+
+ $r = jsonld_default_document_loader($url);
+ if($r) {
+ file_put_contents($filename,json_encode($r));
+ return $r;
+ }
+
+ logger('not found');
+ if(file_exists($filename)) {
+ return json_decode(file_get_contents($filename));
+ }
+
+ return [];
+
} \ No newline at end of file