Warnings/Errors reduced - improved relay processing

src/Model/GServer.php

@@ -1330,7 +1330,7 @@ class GServer
 			return false;
 		}
 
-		$xrd = XML::parseString($curlResult->getBody());
+		$xrd = XML::parseString($curlResult->getBody(), true);
 		if (!is_object($xrd)) {
 			return false;
 		}

src/Module/Api/Mastodon/PushSubscription.php

@@ -50,13 +50,13 @@ class PushSubscription extends BaseApi
 			'endpoint'                      => $request['subscription']['endpoint'] ?? '',
 			'pubkey'                        => $request['subscription']['keys']['p256dh'] ?? '',
 			'secret'                        => $request['subscription']['keys']['auth'] ?? '',
-			Notification::TYPE_FOLLOW       => $request['data']['alerts'][Notification::TYPE_FOLLOW] ?? false,
+			Notification::TYPE_FOLLOW       => filter_var($request['data']['alerts'][Notification::TYPE_FOLLOW] ?? false, FILTER_VALIDATE_BOOLEAN),
-			Notification::TYPE_LIKE         => $request['data']['alerts'][Notification::TYPE_LIKE] ?? false,
+			Notification::TYPE_LIKE         => filter_var($request['data']['alerts'][Notification::TYPE_LIKE] ?? false, FILTER_VALIDATE_BOOLEAN),
-			Notification::TYPE_RESHARE      => $request['data']['alerts'][Notification::TYPE_RESHARE] ?? false,
+			Notification::TYPE_RESHARE      => filter_var($request['data']['alerts'][Notification::TYPE_RESHARE] ?? false, FILTER_VALIDATE_BOOLEAN),
-			Notification::TYPE_MENTION      => $request['data']['alerts'][Notification::TYPE_MENTION] ?? false,
+			Notification::TYPE_MENTION      => filter_var($request['data']['alerts'][Notification::TYPE_MENTION] ?? false, FILTER_VALIDATE_BOOLEAN),
-			Notification::TYPE_POLL         => $request['data']['alerts'][Notification::TYPE_POLL] ?? false,
+			Notification::TYPE_POLL         => filter_var($request['data']['alerts'][Notification::TYPE_POLL] ?? false, FILTER_VALIDATE_BOOLEAN),
-			Notification::TYPE_INTRODUCTION => $request['data']['alerts'][Notification::TYPE_INTRODUCTION] ?? false,
+			Notification::TYPE_INTRODUCTION => filter_var($request['data']['alerts'][Notification::TYPE_INTRODUCTION] ?? false, FILTER_VALIDATE_BOOLEAN),
-			Notification::TYPE_POST         => $request['data']['alerts'][Notification::TYPE_POST] ?? false,
+			Notification::TYPE_POST         => filter_var($request['data']['alerts'][Notification::TYPE_POST] ?? false, FILTER_VALIDATE_BOOLEAN),
 		];
 
 		$ret = Subscription::replace($subscription);

src/Protocol/ActivityPub/Receiver.php

@@ -113,9 +113,16 @@ class Receiver
 			APContact::unmarkForArchival($apcontact);
 		}
 
+		$sig_contact = HTTPSignature::getKeyIdContact($header);
+		if (APContact::isRelay($sig_contact)) {
+			Logger::info('Message from a relay', ['url' => $sig_contact['url']]);
+			self::processRelayPost($ldactivity, $sig_contact['url']);
+			return;
+		}
+
 		$http_signer = HTTPSignature::getSigner($body, $header);
 		if ($http_signer === false) {
-			Logger::warning('Invalid HTTP signature, message will be discarded.');
+			Logger::warning('Invalid HTTP signature, message will be discarded.', ['uid' => $uid, 'actor' => $actor, 'header' => $header, 'body' => $body]);
 			return;
 		} elseif (empty($http_signer)) {
 			Logger::info('Signer is a tombstone. The message will be discarded, the signer account is deleted.');
@@ -170,18 +177,43 @@ class Receiver
 	{
 		$type = JsonLD::fetchElement($activity, '@type');
 		if (!$type) {
-			Logger::info('Empty type', ['activity' => $activity, 'actor' => $actor]);
+			Logger::notice('Empty type', ['activity' => $activity, 'actor' => $actor]);
 			return;
 		}
 
-		if ($type != 'as:Announce') {
+		$object_type = JsonLD::fetchElement($activity, 'as:object', '@type') ?? '';
-			Logger::info('Not an announcement', ['activity' => $activity, 'actor' => $actor]);
-			return;
-		}
 
 		$object_id = JsonLD::fetchElement($activity, 'as:object', '@id');
 		if (empty($object_id)) {
-			Logger::info('No object id found', ['activity' => $activity, 'actor' => $actor]);
+			Logger::notice('No object id found', ['type' => $type, 'object_type' => $object_type, 'actor' => $actor, 'activity' => $activity]);
+			return;
+		}
+
+		$handle = ($type == 'as:Announce');
+
+		if (!$handle && in_array($type, ['as:Create', 'as:Update'])) {
+			$handle = in_array($object_type, self::CONTENT_TYPES);
+		}
+
+		if (!$handle) {
+			$trust_source = false;
+			$object_data = self::prepareObjectData($activity, 0, false, $trust_source);
+
+			if (!$trust_source) {
+				Logger::notice('Activity trust could not be achieved.',  ['type' => $type, 'object_type' => $object_type, 'object_id' => $object_id, 'actor' => $actor, 'activity' => $activity]);
+				return;
+			}
+
+			if (empty($object_data)) {
+				Logger::notice('No object data found', ['type' => $type, 'object_type' => $object_type, 'object_id' => $object_id, 'actor' => $actor, 'activity' => $activity]);
+				return;
+			}
+	
+			if (self::routeActivities($object_data, $type, true)) {
+				Logger::debug('Handled activity', ['type' => $type, 'object_type' => $object_type, 'object_id' => $object_id, 'actor' => $actor]);
+			} else {
+				Logger::info('Unhandled activity', ['type' => $type, 'object_type' => $object_type, 'object_id' => $object_id, 'actor' => $actor, 'activity' => $activity]);
+			}
 			return;
 		}
 
@@ -196,7 +228,7 @@ class Receiver
 			return;
 		}
 
-		Logger::info('Got relayed message id', ['id' => $object_id, 'actor' => $actor]);
+		Logger::debug('Got relayed message id', ['id' => $object_id, 'actor' => $actor]);
 
 		$item_id = Item::searchByLink($object_id);
 		if ($item_id) {

src/Protocol/OStatus.php

@@ -1169,10 +1169,6 @@ class OStatus
 				];
 				XML::addElement($doc, $root, 'link', '', $attributes);
 				break;
-
-			default:
-				Logger::warning('Unsupported type', ['type' => $siteinfo['type'], 'url' => $siteinfo['url'] ?? '']);
-				break;
 		}
 
 		if (!DI::config()->get('system', 'ostatus_not_attach_preview') && ($siteinfo['type'] != 'photo') && isset($siteinfo['image'])) {

src/Util/HTTPSignature.php

@@ -485,6 +485,31 @@ class HTTPSignature
 		return $curlResult;
 	}
 
+	/**
+	 * Fetch the apcontact entry of the keyId in the given header
+	 *
+	 * @param array $http_headers
+	 *
+	 * @return array APContact entry
+	 */
+	public static function getKeyIdContact(array $http_headers): array
+	{
+		if (empty($http_headers['HTTP_SIGNATURE'])) {
+			Logger::debug('No HTTP_SIGNATURE header', ['header' => $http_headers]);
+			return [];
+		}
+
+		$sig_block = self::parseSigHeader($http_headers['HTTP_SIGNATURE']);
+
+		if (empty($sig_block['keyId'])) {
+			Logger::debug('No keyId', ['sig_block' => $sig_block]);
+			return [];
+		}
+
+		$url = (strpos($sig_block['keyId'], '#') ? substr($sig_block['keyId'], 0, strpos($sig_block['keyId'], '#')) : $sig_block['keyId']);
+		return APContact::getByURL($url);
+	}
+
 	/**
 	 * Gets a signer from a given HTTP request
 	 *

src/Worker/UpdateContacts.php

@@ -55,7 +55,7 @@ class UpdateContacts
 			$condition = array_merge(['local-data' => true], $condition);
 		}
 
-		$condition = array_merge(["`next-update` < ?", DateTimeFormat::utcNow()], $condition);
+		$condition = DBA::mergeConditions(["`next-update` < ?", DateTimeFormat::utcNow()], $condition);
 		$contacts = DBA::select('contact', ['id'], $condition, ['order' => ['next-update'], 'limit' => $limit]);
 		$count = 0;
 		while ($contact = DBA::fetch($contacts)) {