Merge pull request #11956 from annando/issue-11952

[friendica.git] / src / Protocol / Diaspora.php

diff --git a/src/Protocol/Diaspora.php b/src/Protocol/Diaspora.php
index 886e1574dc9a50ee1b496748b896016c44f3dad5..781ae57a36796493c9d739201c543211b79e938a 100644 (file)
--- a/src/Protocol/Diaspora.php
+++ b/src/Protocol/Diaspora.php
@@ -734,7 +734,7 @@ class Diaspora
                        }
 
                        if (!Crypto::rsaVerify($signed_data, $parent_author_signature, $key, 'sha256')) {
-                               Logger::info('No valid parent author signature for parent author ' . $msg['author'] . ' in type ' . $type . ' - signed data: ' . $signed_data . ' - Message: ' . $msg['message'] . ' - Signature ' . $parent_author_signature);
+                               Logger::info('No valid parent author signature', ['author' => $msg['author'], 'type' => $type, 'signed data' => $signed_data, 'message'  => $msg['message'], 'signature' => $parent_author_signature]);
                                return false;
                        }
                }
@@ -746,7 +746,7 @@ class Diaspora
                }
 
                if (!Crypto::rsaVerify($signed_data, $author_signature, $key, 'sha256')) {
-                       Logger::info('No valid author signature for author ' . $fields->author . ' in type ' . $type . ' - signed data: ' . $signed_data . ' - Message: ' . $msg['message'] . ' - Signature ' . $author_signature);
+                       Logger::info('No valid author signature for author', ['author' => $fields->author, 'type' => $type, 'signed data' => $signed_data, 'message'  => $msg['message'], 'signature' => $author_signature]);
                        return false;
                } else {
                        return $fields;
@@ -4133,6 +4133,11 @@ class Diaspora
                        return false;
                }
 
+               if (!self::parentSupportDiaspora($item['thr-parent-id'])) {
+                       Logger::info('One of the parents does not support Diaspora. A signature will not be created.', ['uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
+                       return false;
+               }
+
                $message = self::constructComment($item, $owner);
                if ($message === false) {
                        return false;
@@ -4143,6 +4148,37 @@ class Diaspora
                return $message;
        }
 
+       /**
+        * Check if the parent and their parents support Diaspora
+        *
+        * @param integer $parent_id
+        * @return boolean
+        */
+       private static function parentSupportDiaspora(int $parent_id): bool
+       {
+               $parent_post = Post::selectFirstPost(['gravity', 'signed_text', 'author-link', 'thr-parent-id'], ['uri-id' => $parent_id]);
+               if (empty($parent_post['thr-parent-id'])) {
+                       Logger::warning('Parent post does not exist.', ['parent-id' => $parent_id]);
+                       return false;
+               }
+
+               if (empty(FContact::getByURL($parent_post['author-link'], false))) {
+                       Logger::info('Parent author is no Diaspora contact.', ['parent-id' => $parent_id]);
+                       return false;
+               }
+
+               if (($parent_post['gravity'] == GRAVITY_COMMENT) && empty($parent_post['signed_text'])) {
+                       Logger::info('Parent comment has got no Diaspora signature.', ['parent-id' => $parent_id]);
+                       return false;
+               }
+
+               if ($parent_post['gravity'] == GRAVITY_COMMENT) {
+                       return self::parentSupportDiaspora($parent_post['thr-parent-id']);
+               }
+
+               return true;
+       }
+
        public static function performReshare(int $UriId, int $uid): int
        {
                $fields = ['uri-id', 'body', 'title', 'author-name', 'author-link', 'author-avatar', 'guid', 'created', 'plink'];