Fixed max value check, improved request value fetching

[friendica.git] / src / Util / JsonLD.php

diff --git a/src/Util/JsonLD.php b/src/Util/JsonLD.php
index 926fa1437d46aa1cb4efac0c8d79fbdaf1527d2d..866fc2cdf54d532142039db2214ba55b3d8187f0 100644 (file)
--- a/src/Util/JsonLD.php
+++ b/src/Util/JsonLD.php
@@ -1,20 +1,38 @@
 <?php
 /**
- * @file src/Util/JsonLD.php
+ * @copyright Copyright (C) 2010-2022, the Friendica project
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
  */
+
 namespace Friendica\Util;
 
-use Friendica\Core\Cache;
+use Friendica\Core\Cache\Enum\Duration;
 use Friendica\Core\Logger;
 use Exception;
+use Friendica\DI;
 
 /**
- * @brief This class contain methods to work with JsonLD data
+ * This class contain methods to work with JsonLD data
  */
 class JsonLD
 {
        /**
-        * @brief Loader for LD-JSON validation
+        * Loader for LD-JSON validation
         *
         * @param $url
         *
@@ -23,6 +41,21 @@ class JsonLD
         */
        public static function documentLoader($url)
        {
+               switch ($url) {
+                       case 'https://w3id.org/security/v1':
+                               $url = DI::baseUrl() . '/static/security-v1.jsonld';
+                               break;
+                       case 'https://w3id.org/identity/v1':
+                               $url = DI::baseUrl() . '/static/identity-v1.jsonld';
+                               break;
+                       case 'https://www.w3.org/ns/activitystreams':
+                               $url = DI::baseUrl() . '/static/activitystreams.jsonld';
+                               break;
+                       default:
+                               Logger::info('Got url', ['url' =>$url]);
+                               break;
+               }
+
                $recursion = 0;
 
                $x = debug_backtrace();
@@ -39,18 +72,18 @@ class JsonLD
                        exit();
                }
 
-               $result = Cache::get('documentLoader:' . $url);
+               $result = DI::cache()->get('documentLoader:' . $url);
                if (!is_null($result)) {
                        return $result;
                }
 
                $data = jsonld_default_document_loader($url);
-               Cache::set('documentLoader:' . $url, $data, Cache::DAY);
+               DI::cache()->set('documentLoader:' . $url, $data, Duration::DAY);
                return $data;
        }
 
        /**
-        * @brief Normalises a given JSON array
+        * Normalises a given JSON array
         *
         * @param array $json
         *
@@ -84,7 +117,7 @@ class JsonLD
        }
 
        /**
-        * @brief Compacts a given JSON array
+        * Compacts a given JSON array
         *
         * @param array $json
         *
@@ -104,7 +137,9 @@ class JsonLD
                        'ostatus' => (object)['@id' => 'http://ostatus.org#', '@type' => '@id'],
                        'dc' => (object)['@id' => 'http://purl.org/dc/terms/', '@type' => '@id'],
                        'toot' => (object)['@id' => 'http://joinmastodon.org/ns#', '@type' => '@id'],
-                       'litepub' => (object)['@id' => 'http://litepub.social/ns#', '@type' => '@id']];
+                       'litepub' => (object)['@id' => 'http://litepub.social/ns#', '@type' => '@id'],
+                       'sc' => (object)['@id' => 'http://schema.org#', '@type' => '@id'],
+                       'pt' => (object)['@id' => 'https://joinpeertube.org/ns#', '@type' => '@id']];
 
                // Preparation for adding possibly missing content to the context
                if (!empty($json['@context']) && is_string($json['@context'])) {
@@ -130,9 +165,7 @@ class JsonLD
                }
                catch (Exception $e) {
                        $compacted = false;
-                       Logger::error('compacting error');
-                       // Sooner or later we should log some details as well - but currently this leads to memory issues
-                       // Logger::log('compacting error:' . substr(print_r($e, true), 0, 10000), Logger::DEBUG);
+                       Logger::notice('compacting error', ['line' => $e->getLine(), 'exception' => $e]);
                }
 
                $json = json_decode(json_encode($compacted, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE), true);
@@ -145,7 +178,7 @@ class JsonLD
        }
 
        /**
-        * @brief Fetches an element array from a JSON array
+        * Fetches an element array from a JSON array
         *
         * @param $array
         * @param $element
@@ -153,30 +186,28 @@ class JsonLD
         *
         * @return array fetched element
         */
-       public static function fetchElementArray($array, $element, $key = '@id')
+       public static function fetchElementArray($array, $element, $key = null, $type = null, $type_value = null)
        {
-               if (empty($array)) {
-                       return null;
-               }
-
                if (!isset($array[$element])) {
                        return null;
                }
 
                // If it isn't an array yet, make it to one
-               if (!is_int(key($array[$element]))) {
+               if (!is_array($array[$element]) || !is_int(key($array[$element]))) {
                        $array[$element] = [$array[$element]];
                }
 
                $elements = [];
 
                foreach ($array[$element] as $entry) {
-                       if (!is_array($entry)) {
-                               $elements[] = $entry;
+                       if (!is_array($entry) || is_null($key)) {
+                               $item = $entry;
                        } elseif (isset($entry[$key])) {
-                               $elements[] = $entry[$key];
-                       } elseif (!empty($entry) || !is_array($entry)) {
-                               $elements[] = $entry;
+                               $item = $entry[$key];
+                       }
+
+                       if (isset($item) && (is_null($type) || is_null($type_value) || isset($item[$type]) && $item[$type] == $type_value)) {
+                               $elements[] = $item;
                        }
                }
 
@@ -184,7 +215,7 @@ class JsonLD
        }
 
        /**
-        * @brief Fetches an element from a JSON array
+        * Fetches an element from a JSON array
         *
         * @param $array
         * @param $element