X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FUtil%2FHTTPSignature.php;h=2531feeb18de39d14f76f541a9eab2ee9dbd5ef8;hb=3d64c3031bd79ed9162774f945ffe169954c4785;hp=5b7bb02a3ec9252ec1082355da352c18a04ad929;hpb=e4e9a20ac8a8a7896c3d2e4136237d399c664dd6;p=friendica.git

diff --git a/src/Util/HTTPSignature.php b/src/Util/HTTPSignature.php
index 5b7bb02a3e..2531feeb18 100644
--- a/src/Util/HTTPSignature.php
+++ b/src/Util/HTTPSignature.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * @copyright Copyright (C) 2020, Friendica
+ * @copyright Copyright (C) 2010-2021, the Friendica project
  *
  * @license GNU AGPL version 3 or any later version
  *
@@ -22,9 +22,11 @@
 namespace Friendica\Util;
 
 use Friendica\Core\Logger;
+use Friendica\Database\Database;
 use Friendica\Database\DBA;
 use Friendica\DI;
 use Friendica\Model\APContact;
+use Friendica\Model\Contact;
 use Friendica\Model\User;
 
 /**
@@ -322,7 +324,7 @@ class HTTPSignature
 
 		$status = DBA::selectFirst('inbox-status', [], ['url' => $url]);
 		if (!DBA::isResult($status)) {
-			DBA::insert('inbox-status', ['url' => $url, 'created' => $now, 'shared' => $shared]);
+			DBA::insert('inbox-status', ['url' => $url, 'created' => $now, 'shared' => $shared], Database::INSERT_IGNORE);
 			$status = DBA::selectFirst('inbox-status', [], ['url' => $url]);
 		}
 
@@ -376,8 +378,7 @@ class HTTPSignature
 	 */
 	public static function fetch($request, $uid)
 	{
-		$opts = ['accept_content' => 'application/activity+json, application/ld+json'];
-		$curlResult = self::fetchRaw($request, $uid, false, $opts);
+		$curlResult = self::fetchRaw($request, $uid);
 
 		if (empty($curlResult)) {
 			return false;
@@ -410,7 +411,7 @@ class HTTPSignature
 	 * @return object CurlResult
 	 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 	 */
-	public static function fetchRaw($request, $uid = 0, $binary = false, $opts = [])
+	public static function fetchRaw($request, $uid = 0, $opts = ['accept_content' => 'application/activity+json, application/ld+json'])
 	{
 		$header = [];
 
@@ -544,11 +545,22 @@ class HTTPSignature
 		}
 
 		$key = self::fetchKey($sig_block['keyId'], $actor);
-
 		if (empty($key)) {
 			return false;
 		}
 
+		if (!empty($key['url']) && !empty($key['type']) && ($key['type'] == 'Tombstone')) {
+			Logger::info('Actor is a tombstone', ['key' => $key]);
+
+			// We now delete everything that we possibly knew from this actor
+			Contact::deleteContactByUrl($key['url']);
+			return false;
+		}
+
+		if (empty($key['pubkey'])) {
+			return false;
+		}
+
 		if (!Crypto::rsaVerify($signed_data, $sig_block['signature'], $key['pubkey'], $algorithm)) {
 			return false;
 		}
@@ -616,12 +628,12 @@ class HTTPSignature
 		$profile = APContact::getByURL($url);
 		if (!empty($profile)) {
 			Logger::log('Taking key from id ' . $id, Logger::DEBUG);
-			return ['url' => $url, 'pubkey' => $profile['pubkey']];
+			return ['url' => $url, 'pubkey' => $profile['pubkey'], 'type' => $profile['type']];
 		} elseif ($url != $actor) {
 			$profile = APContact::getByURL($actor);
 			if (!empty($profile)) {
 				Logger::log('Taking key from actor ' . $actor, Logger::DEBUG);
-				return ['url' => $actor, 'pubkey' => $profile['pubkey']];
+				return ['url' => $actor, 'pubkey' => $profile['pubkey'], 'type' => $profile['type']];
 			}
 		}