<?php
/**
- * @copyright Copyright (C) 2010-2021, the Friendica project
+ * @copyright Copyright (C) 2010-2022, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
namespace Friendica\Core;
+use Friendica\Database\DBA;
use Friendica\DI;
+use Friendica\Model\User;
use Friendica\Network\HTTPException;
use Friendica\Protocol\Activity;
use Friendica\Protocol\ActivityPub;
}
/**
- * 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' => 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;
}
/**