- 'toot' => (object)['@id' => 'http://joinmastodon.org/ns#', '@type' => '@id']];
-
- // Workaround for Nextcloud Social
- // See issue https://github.com/nextcloud/social/issues/330
- if (is_array($json['@context'])) {
- $json['@context'][] = 'https://w3id.org/security/v1';
+ 'toot' => (object)['@id' => 'http://joinmastodon.org/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'],
+ 'mobilizon' => (object)['@id' => 'https://joinmobilizon.org/ns#', '@type' => '@id'],
+ 'fedibird' => (object)['@id' => 'http://fedibird.com/ns#', '@type' => '@id'],
+ 'misskey' => (object)['@id' => 'https://misskey-hub.net/ns#', '@type' => '@id'],
+ ];
+
+ $orig_json = $json;
+
+ // Preparation for adding possibly missing content to the context
+ if (!empty($json['@context']) && is_string($json['@context'])) {
+ $json['@context'] = [$json['@context']];