<?php
-/*
- * @file src/Core/Protocol.php
+/**
+ * @copyright Copyright (C) 2010-2021, the Friendica project
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
*/
+
namespace Friendica\Core;
-use Friendica\Util\Network;
+use Friendica\DI;
+use Friendica\Network\HTTPException;
+use Friendica\Protocol\Activity;
+use Friendica\Protocol\ActivityPub;
+use Friendica\Protocol\Diaspora;
+use Friendica\Protocol\OStatus;
+use Friendica\Protocol\Salmon;
/**
* Manage compatibility with federated networks
- *
- * @author Hypolite Petovan <hypolite@mrpetovan.com>
*/
class Protocol
{
const NATIVE_SUPPORT = [self::DFRN, self::DIASPORA, self::OSTATUS, self::FEED, self::MAIL, self::ACTIVITYPUB];
+ const FEDERATED = [self::DFRN, self::DIASPORA, self::OSTATUS, self::ACTIVITYPUB];
+
+ const SUPPORT_PRIVATE = [self::DFRN, self::DIASPORA, self::MAIL, self::ACTIVITYPUB, self::PUMPIO];
+
// 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
// Dead protocols
const APPNET = 'apdn'; // app.net - Dead 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;
+ }
+
+ $hook_data = [
+ 'protocol' => $protocol,
+ 'result' => null
+ ];
+ Hook::callAll('support_follow', $hook_data);
+
+ return $hook_data['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;
+ }
+
+ $hook_data = [
+ 'protocol' => $protocol,
+ 'result' => null
+ ];
+ Hook::callAll('support_revoke_follow', $hook_data);
+
+ return $hook_data['result'] === true;
+ }
+
/**
* Returns the address string for the provided profile URL
*
* @param string $profile_url
* @param array $matches preg_match return array: [0] => Full match [1] => hostname [2] => username
* @return string
- * @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
public static function matchByProfileUrl($profile_url, &$matches = [])
{
if (preg_match('=https?://(.*)/user/(.*)=ism', $profile_url, $matches)) {
$statusnet_host = $matches[1];
$statusnet_user = $matches[2];
- $UserData = Network::fetchUrl('http://' . $statusnet_host . '/api/users/show.json?user_id=' . $statusnet_user);
+ $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 $display_name . ' (' . self::getAddrFromProfileUrl($profile_url) . ')';
}
+
+ /**
+ * Sends an unfriend message. Does not remove the contact
+ *
+ * @param array $user User unfriending
+ * @param array $contact Contact unfriended
+ * @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 $contact): ?bool
+ {
+ if (empty($contact['network'])) {
+ throw new \InvalidArgumentException('Missing network key in contact array');
+ }
+
+ $protocol = $contact['network'];
+ if (($protocol == Protocol::DFRN) && !empty($contact['protocol'])) {
+ $protocol = $contact['protocol'];
+ }
+
+ if (in_array($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, $user);
+
+ if (empty($contact['notify'])) {
+ throw new \InvalidArgumentException('Missing expected "notify" key in OStatus/DFRN contact');
+ }
+
+ return Salmon::slapper($user, $contact['notify'], $slap) === 0;
+ } elseif ($protocol == Protocol::DIASPORA) {
+ return Diaspora::sendUnshare($user, $contact) > 0;
+ } elseif ($protocol == Protocol::ACTIVITYPUB) {
+ return ActivityPub\Transmitter::sendContactUndo($contact['url'], $contact['id'], $user['uid']);
+ }
+
+ // Catch-all hook for connector addons
+ $hook_data = [
+ 'contact' => $contact,
+ 'result' => null
+ ];
+ Hook::callAll('unfollow', $hook_data);
+
+ return $hook_data['result'];
+ }
+
+ /**
+ * Revoke an incoming follow from the provided contact
+ *
+ * @param array $contact Private contact (uid != 0) array
+ * @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 $contact): ?bool
+ {
+ if (empty($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'];
+ }
+
+ /**
+ * Send a block message to a remote server. Only useful for connector addons.
+ *
+ * @param array $contact Public contact record to block
+ * @param int $uid User issuing the block
+ * @return bool|null true if successful, false if not, null if no action was performed
+ * @throws HTTPException\InternalServerErrorException
+ */
+ public static function block(array $contact, int $uid): ?bool
+ {
+ // Catch-all hook for connector addons
+ $hook_data = [
+ 'contact' => $contact,
+ 'uid' => $uid,
+ 'result' => null,
+ ];
+ Hook::callAll('block', $hook_data);
+
+ return $hook_data['result'];
+ }
+
+ /**
+ * Send an unblock message to a remote server. Only useful for connector addons.
+ *
+ * @param array $contact Public contact record to unblock
+ * @param int $uid User revoking the block
+ * @return bool|null true if successful, false if not, null if no action was performed
+ * @throws HTTPException\InternalServerErrorException
+ */
+ public static function unblock(array $contact, int $uid): ?bool
+ {
+ // Catch-all hook for connector addons
+ $hook_data = [
+ 'contact' => $contact,
+ 'uid' => $uid,
+ 'result' => null,
+ ];
+ Hook::callAll('unblock', $hook_data);
+
+ return $hook_data['result'];
+ }
}
projects / friendica.git / blobdiff