]> git.mxchange.org Git - friendica.git/blobdiff - src/Core/Protocol.php
Merge pull request #13704 from MrPetovan/bug/13693-infinite-indentation-level
[friendica.git] / src / Core / Protocol.php
index 796add5558184cc423a402bbcb6cfcdc4cf2d66d..4effa8d74b94eff2aa3f41649bb3d983fa9a70cc 100644 (file)
@@ -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
  *
@@ -21,7 +21,9 @@
 
 namespace Friendica\Core;
 
-use Friendica\DI;
+use Friendica\Database\DBA;
+use Friendica\Model\Item;
+use Friendica\Model\User;
 use Friendica\Network\HTTPException;
 use Friendica\Protocol\Activity;
 use Friendica\Protocol\ActivityPub;
@@ -50,11 +52,12 @@ class Protocol
 
        // Supported through a connector
        const DIASPORA2 = 'dspc';    // Diaspora connector
-       const LINKEDIN  = 'lnkd';    // LinkedIn
        const PUMPIO    = 'pump';    // pump.io
        const STATUSNET = 'stac';    // Statusnet connector
        const TWITTER   = 'twit';    // Twitter
        const DISCOURSE = 'dscs';    // Discourse
+       const TUMBLR    = 'tmbl';    // Tumblr
+       const BLUESKY   = 'bsky';    // Bluesky
 
        // Dead protocols
        const APPNET    = 'apdn';    // app.net - Dead protocol
@@ -64,6 +67,7 @@ class Protocol
        // Currently unsupported
        const ICALENDAR = 'ical';    // iCalendar
        const MYSPACE   = 'mysp';    // MySpace
+       const LINKEDIN  = 'lnkd';    // LinkedIn
        const NEWS      = 'nntp';    // Network News Transfer Protocol
        const PNUT      = 'pnut';    // pnut.io
        const XMPP      = 'xmpp';    // XMPP
@@ -116,111 +120,72 @@ class Protocol
        }
 
        /**
-        * Returns the address string for the provided profile URL
+        * Send a follow message to a remote server.
         *
-        * @param string $profile_url
-        * @return string
-        * @throws \Exception
-        */
-       public static function getAddrFromProfileUrl($profile_url)
-       {
-               $network = self::matchByProfileUrl($profile_url, $matches);
-
-               if ($network === self::PHANTOM) {
-                       return "";
-               }
-
-               $addr = $matches[2] . '@' . $matches[1];
-
-               return $addr;
-       }
-
-       /**
-        * Guesses the network from a profile URL
-        *
-        * @param string $profile_url
-        * @param array  $matches preg_match return array: [0] => Full match [1] => hostname [2] => username
-        * @return string
+        * @param int     $uid      User Id
+        * @param array   $contact  Contact being followed
+        * @param ?string $protocol Expected protocol
+        * @return bool Only returns false in the unlikely case an ActivityPub contact ID doesn't exist (???)
+        * @throws HTTPException\InternalServerErrorException
+        * @throws \ImagickException
         */
-       public static function matchByProfileUrl($profile_url, &$matches = [])
+       public static function follow(int $uid, array $contact, ?string $protocol = null): bool
        {
-               if (preg_match('=https?://(twitter\.com)/(.*)=ism', $profile_url, $matches)) {
-                       return self::TWITTER;
-               }
-
-               if (preg_match('=https?://(alpha\.app\.net)/(.*)=ism', $profile_url, $matches)) {
-                       return self::APPNET;
-               }
-
-               if (preg_match('=https?://(plus\.google\.com)/(.*)=ism', $profile_url, $matches)) {
-                       return self::GPLUS;
-               }
-
-               if (preg_match('=https?://(.*)/profile/(.*)=ism', $profile_url, $matches)) {
-                       return self::DFRN;
+               $owner = User::getOwnerDataById($uid);
+               if (!DBA::isResult($owner)) {
+                       return true;
                }
 
-               if (preg_match('=https?://(.*)/u/(.*)=ism', $profile_url, $matches)) {
-                       return self::DIASPORA;
-               }
+               $protocol = $protocol ?? $contact['protocol'];
 
-               if (preg_match('=https?://(.*)/channel/(.*)=ism', $profile_url, $matches)) {
-                       // RedMatrix/Hubzilla is identified as Diaspora - friendica can't connect directly to it
-                       return self::DIASPORA;
-               }
-
-               if (preg_match('=https?://(.*)/user/(.*)=ism', $profile_url, $matches)) {
-                       $statusnet_host = $matches[1];
-                       $statusnet_user = $matches[2];
-                       $UserData = DI::httpClient()->fetch('http://' . $statusnet_host . '/api/users/show.json?user_id=' . $statusnet_user);
-                       $user = json_decode($UserData);
-                       if ($user) {
-                               $matches[2] = $user->screen_name;
-                               return self::STATUSNET;
+               if (in_array($protocol, [Protocol::OSTATUS, Protocol::DFRN])) {
+                       // create a follow slap
+                       $item = [
+                               'verb'    => Activity::FOLLOW,
+                               'gravity' => Item::GRAVITY_ACTIVITY,
+                               'follow'  => $contact['url'],
+                               'body'    => '',
+                               'title'   => '',
+                               'guid'    => '',
+                               'uri-id'  => 0,
+                       ];
+
+                       $slap = OStatus::salmon($item, $owner);
+
+                       if (!empty($contact['notify'])) {
+                               Salmon::slapper($owner, $contact['notify'], $slap);
+                       }
+               } elseif ($protocol == Protocol::DIASPORA) {
+                       $contact = Diaspora::sendShare($owner, $contact);
+                       Logger::notice('share returns: ' . $contact);
+               } elseif ($protocol == Protocol::ACTIVITYPUB) {
+                       $activity_id = ActivityPub\Transmitter::activityIDFromContact($contact['id']);
+                       if (empty($activity_id)) {
+                               // This really should never happen
+                               return false;
                        }
-               }
-
-               // Mastodon, Pleroma
-               if (preg_match('=https?://(.+?)/users/(.+)=ism', $profile_url, $matches)
-                       || preg_match('=https?://(.+?)/@(.+)=ism', $profile_url, $matches)
-               ) {
-                       return self::ACTIVITYPUB;
-               }
 
-               // pumpio (http://host.name/user)
-               if (preg_match('=https?://([\.\w]+)/([\.\w]+)$=ism', $profile_url, $matches)) {
-                       return self::PUMPIO;
+                       $success = ActivityPub\Transmitter::sendActivity('Follow', $contact['url'], $owner['uid'], $activity_id);
+                       Logger::notice('Follow returns: ' . $success);
                }
 
-               return self::PHANTOM;
-       }
-
-       /**
-        * Returns a formatted mention from a profile URL and a display name
-        *
-        * @param string $profile_url
-        * @param string $display_name
-        * @return string
-        * @throws \Exception
-        */
-       public static function formatMention($profile_url, $display_name)
-       {
-               return $display_name . ' (' . self::getAddrFromProfileUrl($profile_url) . ')';
+               return true;
        }
 
        /**
-        * Sends an unfriend message. Does not remove the contact
+        * Sends an unfollow message. Does not remove the contact
         *
-        * @param array   $user    User unfriending
-        * @param array   $contact Contact unfriended
+        * @param array $contact Target public contact (uid = 0) array
+        * @param array $owner   Source owner-view record
         * @return bool|null true if successful, false if not, null if no remote action was performed
         * @throws HTTPException\InternalServerErrorException
         * @throws \ImagickException
         */
-       public static function terminateFriendship(array $user, array $contact): ?bool
+       public static function unfollow(array $contact, array $owner): ?bool
        {
                if (empty($contact['network'])) {
-                       throw new \InvalidArgumentException('Missing network key in contact array');
+                       Logger::notice('Contact has got no network, we quit here', ['id' => $contact['id']]);
+                       return null;
                }
 
                $protocol = $contact['network'];
@@ -230,31 +195,35 @@ class Protocol
 
                if (in_array($protocol, [Protocol::OSTATUS, Protocol::DFRN])) {
                        // create an unfollow slap
-                       $item = [];
-                       $item['verb'] = Activity::O_UNFOLLOW;
-                       $item['gravity'] = GRAVITY_ACTIVITY;
-                       $item['follow'] = $contact['url'];
-                       $item['body'] = '';
-                       $item['title'] = '';
-                       $item['guid'] = '';
-                       $item['uri-id'] = 0;
-                       $slap = OStatus::salmon($item, $user);
+                       $item = [
+                               'verb'    => Activity::O_UNFOLLOW,
+                               'gravity' => Item::GRAVITY_ACTIVITY,
+                               'follow'  => $contact['url'],
+                               'body'    => '',
+                               'title'   => '',
+                               'guid'    => '',
+                               'uri-id'  => 0,
+                       ];
+
+                       $slap = OStatus::salmon($item, $owner);
 
                        if (empty($contact['notify'])) {
-                               throw new \InvalidArgumentException('Missing expected "notify" key in OStatus/DFRN contact');
+                               Logger::notice('OStatus/DFRN Contact is missing notify, we quit here', ['id' => $contact['id']]);
+                               return null;
                        }
 
-                       return Salmon::slapper($user, $contact['notify'], $slap) === 0;
+                       return Salmon::slapper($owner, $contact['notify'], $slap) === 0;
                } elseif ($protocol == Protocol::DIASPORA) {
-                       return Diaspora::sendUnshare($user, $contact) > 0;
+                       return Diaspora::sendUnshare($owner, $contact) > 0;
                } elseif ($protocol == Protocol::ACTIVITYPUB) {
-                       return ActivityPub\Transmitter::sendContactUndo($contact['url'], $contact['id'], $user['uid']);
+                       return ActivityPub\Transmitter::sendContactUndo($contact['url'], $contact['id'], $owner);
                }
 
                // Catch-all hook for connector addons
                $hook_data = [
                        'contact' => $contact,
-                       'result' => null
+                       'uid'     => $owner['uid'],
+                       'result'  => null,
                ];
                Hook::callAll('unfollow', $hook_data);
 
@@ -264,12 +233,13 @@ class Protocol
        /**
         * Revoke an incoming follow from the provided contact
         *
-        * @param array $contact Private contact (uid != 0) array
+        * @param array $contact Target public contact (uid == 0) array
+        * @param array $owner   Source owner-view record
         * @return bool|null true if successful, false if not, null if no action was performed
         * @throws \Friendica\Network\HTTPException\InternalServerErrorException
         * @throws \ImagickException
         */
-       public static function revokeFollow(array $contact): ?bool
+       public static function revokeFollow(array $contact, array $owner): ?bool
        {
                if (empty($contact['network'])) {
                        throw new \InvalidArgumentException('Missing network key in contact array');
@@ -281,13 +251,14 @@ class Protocol
                }
 
                if ($protocol == Protocol::ACTIVITYPUB) {
-                       return ActivityPub\Transmitter::sendContactReject($contact['url'], $contact['hub-verify'], $contact['uid']);
+                       return ActivityPub\Transmitter::sendContactReject($contact['url'], $contact['hub-verify'], $owner);
                }
 
                // Catch-all hook for connector addons
                $hook_data = [
                        'contact' => $contact,
-                       'result' => null,
+                       'uid'     => $owner['uid'],
+                       'result'  => null,
                ];
                Hook::callAll('revoke_follow', $hook_data);
 
@@ -335,4 +306,31 @@ class Protocol
 
                return $hook_data['result'];
        }
+
+       /**
+        * Returns whether the provided protocol supports probing for contacts
+        *
+        * @param $protocol
+        * @return bool
+        * @throws HTTPException\InternalServerErrorException
+        */
+       public static function supportsProbe($protocol): bool
+       {
+               // "Mail" can only be probed for a specific user in a specific condition, so we are ignoring it here.
+               if ($protocol == self::MAIL) {
+                       return false;
+               }
+
+               if (in_array($protocol, array_merge(self::NATIVE_SUPPORT, [self::ZOT, self::PHANTOM]))) {
+                       return true;
+               }
+
+               $hook_data = [
+                       'protocol' => $protocol,
+                       'result' => null
+               ];
+               Hook::callAll('support_probe', $hook_data);
+
+               return $hook_data['result'] === true;
+       }
 }