Merge remote-tracking branch 'upstream/develop' into network-thread-view

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

diff --git a/src/Core/Protocol.php b/src/Core/Protocol.php
index 7972bf4a3db8255e3552d7ba74107568e16603fa..bce6bc699cc8cd31b9966f99faed31e7798736c8 100644 (file)
--- a/src/Core/Protocol.php
+++ b/src/Core/Protocol.php
@@ -71,6 +71,44 @@ class Protocol
 
        const PHANTOM   = 'unkn';    // Place holder
 
+       /**
+        * Returns whether the provided protocol supports following
+        *
+        * @param $protocol
+        * @return bool
+        * @throws HTTPException\InternalServerErrorException
+        */
+       public static function supportsFollow($protocol): bool
+       {
+               if (in_array($protocol, self::NATIVE_SUPPORT)) {
+                       return true;
+               }
+
+               $result = null;
+               Hook::callAll('support_follow', $result);
+
+               return $result === true;
+       }
+
+       /**
+        * Returns whether the provided protocol supports revoking inbound follows
+        *
+        * @param $protocol
+        * @return bool
+        * @throws HTTPException\InternalServerErrorException
+        */
+       public static function supportsRevokeFollow($protocol): bool
+       {
+               if (in_array($protocol, self::NATIVE_SUPPORT)) {
+                       return true;
+               }
+
+               $result = null;
+               Hook::callAll('support_revoke_follow', $result);
+
+               return $result === true;
+       }
+
        /**
         * Returns the address string for the provided profile URL
         *
@@ -212,7 +250,7 @@ class Protocol
                        return ActivityPub\Transmitter::sendContactUndo($contact['url'], $contact['id'], $user['uid']);
                }
 
-               // Catch-all addon hook
+               // Catch-all hook for connector addons
                $hook_data = [
                        'contact' => $contact,
                        'two_way' => $two_way,
@@ -222,4 +260,36 @@ class Protocol
 
                return $hook_data['result'];
        }
+
+       /**
+        * Revoke an incoming follow from the provided contact
+        *
+        * @param array $contact Private contact (uid != 0) array
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @throws \ImagickException
+        */
+       public static function revokeFollow(array $contact)
+       {
+               if (empty($contact['network'])) {
+                       throw new \InvalidArgumentException('Missing network key in contact array');
+               }
+
+               $protocol = $contact['network'];
+               if ($protocol == Protocol::DFRN && !empty($contact['protocol'])) {
+                       $protocol = $contact['protocol'];
+               }
+
+               if ($protocol == Protocol::ACTIVITYPUB) {
+                       return ActivityPub\Transmitter::sendContactReject($contact['url'], $contact['hub-verify'], $contact['uid']);
+               }
+
+               // Catch-all hook for connector addons
+               $hook_data = [
+                       'contact' => $contact,
+                       'result' => null,
+               ];
+               Hook::callAll('revoke_follow', $hook_data);
+
+               return $hook_data['result'];
+       }
 }