X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FUtil%2FJsonLD.php;h=0a4d5a0b55bf40808e891f81a1d832e0377ca3c1;hb=450c75300476942619bc350f4e80a5f658ffb24f;hp=ee5e0aea97cbb39666273f4b2f40e0638e4e21f3;hpb=4b4218f5162e11d1502bf49a12e6411e779a54df;p=friendica.git

diff --git a/src/Util/JsonLD.php b/src/Util/JsonLD.php
index ee5e0aea97..0a4d5a0b55 100644
--- a/src/Util/JsonLD.php
+++ b/src/Util/JsonLD.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * @copyright Copyright (C) 2010-2021, the Friendica project
+ * @copyright Copyright (C) 2010-2023, the Friendica project
  *
  * @license GNU AGPL version 3 or any later version
  *
@@ -21,12 +21,11 @@
 
 namespace Friendica\Util;
 
-use Friendica\Core\Cache\Duration;
+use Friendica\Core\Cache\Enum\Duration;
 use Friendica\Core\Logger;
 use Exception;
 use Friendica\Core\System;
 use Friendica\DI;
-use Friendica\Protocol\ActivityPub;
 
 /**
  * This class contain methods to work with JsonLD data
@@ -43,6 +42,35 @@ class JsonLD
 	 */
 	public static function documentLoader($url)
 	{
+		switch ($url) {
+			case 'https://w3id.org/security/v1':
+				$url = DI::basePath() . '/static/security-v1.jsonld';
+				break;
+			case 'https://w3id.org/identity/v1':
+				$url = DI::basePath() . '/static/identity-v1.jsonld';
+				break;
+			case 'https://www.w3.org/ns/activitystreams':
+				$url = DI::basePath() . '/static/activitystreams.jsonld';
+				break;
+			case 'https://funkwhale.audio/ns':
+				$url = DI::basePath() . '/static/funkwhale.audio.jsonld';
+				break;
+			default:
+				switch (parse_url($url, PHP_URL_PATH)) {
+					case '/schemas/litepub-0.1.jsonld';
+						$url = DI::basePath() . '/static/litepub-0.1.jsonld';
+						break;
+					case '/apschema/v1.2':
+					case '/apschema/v1.9':
+					case '/apschema/v1.10':
+						$url = DI::basePath() . '/static/apschema.jsonld';
+						break;
+					default:
+						Logger::info('Got url', ['url' =>$url]);
+						break;
+				}
+		}
+
 		$recursion = 0;
 
 		$x = debug_backtrace();
@@ -56,7 +84,7 @@ class JsonLD
 
 		if ($recursion > 5) {
 			Logger::error('jsonld bomb detected at: ' . $url);
-			exit();
+			System::exit();
 		}
 
 		$result = DI::cache()->get('documentLoader:' . $url);
@@ -69,54 +97,6 @@ class JsonLD
 		return $data;
 	}
 
-	public static function removeSecurityLink(array $json)
-	{
-		if (!is_array($json['@context'])) {
-			return $json;
-		}
-
-		if (($key = array_search('https://w3id.org/security/v1', $json['@context'])) !== false) {
-			unset($json['@context'][$key]);
-			$json['@context'] = array_values(array_filter($json['@context']));
-		}
-
-		return $json;
-	}
-
-	public static function fixContext(array $json)
-	{
-		// Preparation for adding possibly missing content to the context
-		if (!empty($json['@context']) && is_string($json['@context'])) {
-			$json['@context'] = [$json['@context']];
-		}
-
-		if (($key = array_search('https://w3id.org/security/v1', $json['@context'])) !== false) {
-			unset($json['@context'][$key]);
-			$json['@context'] = array_values(array_filter($json['@context']));
-		}
-
-		$last_entry = count($json['@context']) - 1;
-
-		$additional = [
-			'w3id' => 'https://w3id.org/security#',
-			'signature' => 'w3id:signature',
-			'RsaSignature2017' => 'w3id:RsaSignature2017',
-			'created' => 'w3id:created',
-			'creator' => 'w3id:creator',
-			'nonce' => 'w3id:nonce',
-			'signatureValue' => 'w3id:signatureValue',
-			'publicKey' => 'w3id:publicKey',
-			'publicKeyPem' => 'w3id:publicKeyPem'];
-
-		if (is_array($json['@context'][$last_entry])) {
-			$json['@context'][$last_entry] = array_merge($json['@context'][$last_entry], $additional);
-		} else {
-			$json['@context'][] = $additional;
-		}
-
-		return $json;
-	}
-
 	/**
 	 * Normalises a given JSON array
 	 *
@@ -127,8 +107,6 @@ class JsonLD
 	 */
 	public static function normalize($json)
 	{
-		$json = self::removeSecurityLink($json);
-
 		jsonld_set_document_loader('Friendica\Util\JsonLD::documentLoader');
 
 		$jsonobj = json_decode(json_encode($json, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE));
@@ -157,38 +135,17 @@ 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)
-	{
-		$context = $json['@context'] ?? [];
-		$json['@context'] = ActivityPub::CONTEXT;
-
-		$compacted = self::internalCompact($json);
-		if (empty($compacted)) {
-			Logger::info('Failed to compact with our context');
-			$json['@context'] = $context;
-			$compacted = self::internalCompact($json);
-			if (empty($compacted)) {
-				Logger::info('Failed to compact with original context');
-			} else {
-				Logger::info('Successful compacted with original context');
-			}
-		}
-
-		return $compacted;
-	}
-
-	private static function internalCompact($json)
+	public static function compact($json, bool $logfailed = true): array
 	{
-		$json = self::fixContext($json);
-
 		jsonld_set_document_loader('Friendica\Util\JsonLD::documentLoader');
 
 		$context = (object)['as' => 'https://www.w3.org/ns/activitystreams#',
-			'w3id' => (object)['@id' => 'https://w3id.org/security#', '@type' => '@id'],
+			'w3id' => 'https://w3id.org/security#',
 			'ldp' => (object)['@id' => 'http://www.w3.org/ns/ldp#', '@type' => '@id'],
 			'vcard' => (object)['@id' => 'http://www.w3.org/2006/vcard/ns#', '@type' => '@id'],
 			'dfrn' => (object)['@id' => 'http://purl.org/macgirvin/dfrn/1.0/', '@type' => '@id'],
@@ -198,14 +155,43 @@ class JsonLD
 			'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']];
+			'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;
 
-		// Trying to avoid memory problems with large content fields
-		if (!empty($json['object']['source']['content'])) {
-			$content = $json['object']['source']['content'];
-			$json['object']['source']['content'] = '';
+		// Preparation for adding possibly missing content to the context
+		if (!empty($json['@context']) && is_string($json['@context'])) {
+			$json['@context'] = [$json['@context']];
+		}
+
+		if (!empty($json['@context']) && is_array($json['@context'])) {
+			// Remove empty entries from the context (a problem with WriteFreely)
+			$json['@context'] = array_filter($json['@context']);
+
+			// 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';
+			}
+
+			// Issue 12419: Workaround for GoToSocial
+			$pos = array_search('http://joinmastodon.org/ns', $json['@context']);
+			if (is_int($pos)) {
+				$json['@context'][$pos] = ['toot' => 'http://joinmastodon.org/ns#'];
+			}
 		}
 
+		// Bookwyrm transmits "id" fields with "null", which isn't allowed.
+		array_walk_recursive($json, function (&$value, $key) {
+			if ($key == 'id' && is_null($value)) {
+				$value = '';
+			}
+		});
+
 		$jsonobj = json_decode(json_encode($json, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE));
 
 		try {
@@ -213,13 +199,19 @@ class JsonLD
 		}
 		catch (Exception $e) {
 			$compacted = false;
-			Logger::error('compacting error', ['line' => $e->getLine(), 'message' => $e->getMessage(),'callstack' => System::callstack(20)]);
+			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'] = $content;
+		if ($json === false) {
+			Logger::notice('JSON encode->decode failed', ['orig_json' => $orig_json, 'compacted' => $compacted]);
+			$json = [];
 		}
 
 		return $json;
@@ -241,7 +233,7 @@ class JsonLD
 		}
 
 		// 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]];
 		}