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Improved JSonLD parsing

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This commit is contained in:
Michael 2022-07-16 09:25:12 +00:00
parent 98954dd14e
commit 8cc362fb8b
5 changed files with 184 additions and 16 deletions
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49
src/Util/JsonLD.php
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@ -52,9 +52,23 @@ class JsonLD
case 'https://www.w3.org/ns/activitystreams':
$url = DI::baseUrl() . '/static/activitystreams.jsonld';
break;
default:
Logger::info('Got url', ['url' =>$url]);
case 'https://funkwhale.audio/ns':
$url = DI::baseUrl() . '/static/funkwhale.audio.jsonld';
break;
default:
switch (parse_url($url, PHP_URL_PATH)) {
case '/schemas/litepub-0.1.jsonld';
$url = DI::baseUrl() . '/static/litepub-0.1.jsonld';
break;
case '/apschema/v1.2':
case '/apschema/v1.9':
case '/apschema/v1.10':
$url = DI::baseUrl() . '/static/apschema.jsonld';
break;
default:
Logger::info('Got url', ['url' =>$url]);
break;
}
}
$recursion = 0;
@ -121,11 +135,12 @@ class JsonLD
* Compacts a given JSON array
*
* @param array $json
* @param bool $logfailed
*
* @return array Compacted JSON array
* @throws Exception
*/
public static function compact($json)
public static function compact($json, bool $logfailed = true)
{
jsonld_set_document_loader('Friendica\Util\JsonLD::documentLoader');
@ -144,21 +159,22 @@ class JsonLD
'mobilizon' => (object)['@id' => 'https://joinmobilizon.org/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']];
}
// Workaround for servers with missing context
// See issue https://github.com/nextcloud/social/issues/330
if (!empty($json['@context']) && is_array($json['@context'])) {
$json['@context'][] = 'https://w3id.org/security/v1';
}
// Remove empty entries from the context (a problem with WriteFreely)
$json['@context'] = array_filter($json['@context']);
// Trying to avoid memory problems with large content fields
if (!empty($json['object']['source']['content'])) {
$content = $json['object']['source']['content'];
$json['object']['source']['content'] = '';
// Workaround for servers with missing context
// See issue https://github.com/nextcloud/social/issues/330
if (!in_array('https://w3id.org/security/v1', $json['@context'])) {
$json['@context'][] = 'https://w3id.org/security/v1';
}
}
$jsonobj = json_decode(json_encode($json, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE));
@ -168,15 +184,16 @@ class JsonLD
}
catch (Exception $e) {
$compacted = false;
Logger::notice('compacting error', ['line' => $e->getLine(), 'exception' => $e]);
Logger::notice('compacting error', ['msg' => $e->getMessage(), 'previous' => $e->getPrevious(), 'line' => $e->getLine()]);
if ($logfailed && DI::config()->get('debug', 'ap_log_failure')) {
$tempfile = tempnam(System::getTempPath(), 'failed-jsonld');
file_put_contents($tempfile, json_encode(['json' => $orig_json, 'callstack' => System::callstack(20), 'msg' => $e->getMessage(), 'previous' => $e->getPrevious()], JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT));
Logger::notice('Failed message stored', ['file' => $tempfile]);
}
}
$json = json_decode(json_encode($compacted, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE), true);
if (isset($json['as:object']['as:source']['as:content']) && !empty($content)) {
$json['as:object']['as:source']['as:content'] = $content;
}
return $json;
}