3 * @copyright Copyright (C) 2010-2021, the Friendica project
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Module;
24 use Friendica\BaseModule;
25 use Friendica\Content\Widget;
27 use Friendica\Core\Logger;
28 use Friendica\Core\Protocol;
29 use Friendica\Core\Renderer;
30 use Friendica\Core\Search;
31 use Friendica\Core\System;
32 use Friendica\Model\Contact;
33 use Friendica\Model\Profile;
34 use Friendica\Model\User;
35 use Friendica\Network\HTTPException;
36 use Friendica\Network\Probe;
39 * Remotely follow the account on this system by the provided account
41 class RemoteFollow extends BaseModule
45 public function init()
47 self::$owner = User::getOwnerDataByNick($this->parameters['profile']);
49 throw new HTTPException\NotFoundException(DI::l10n()->t('User not found.'));
52 DI::page()['aside'] = Widget\VCard::getHTML(self::$owner);
55 public function post()
57 if (!empty($_POST['cancel']) || empty($_POST['dfrn_url'])) {
58 DI::baseUrl()->redirect();
61 if (empty(self::$owner)) {
62 notice(DI::l10n()->t('Profile unavailable.'));
66 $url = Probe::cleanURI($_POST['dfrn_url']);
68 notice(DI::l10n()->t("Invalid locator"));
72 // Detect the network, make sure the provided URL is valid
73 $data = Contact::getByURL($url);
75 notice(DI::l10n()->t("The provided profile link doesn't seem to be valid"));
79 if (empty($data['subscribe'])) {
80 notice(DI::l10n()->t("Remote subscription can't be done for your network. Please subscribe directly on your system."));
84 Logger::notice('Remote request', ['url' => $url, 'follow' => self::$owner['url'], 'remote' => $data['subscribe']]);
86 // Substitute our user's feed URL into $data['subscribe']
87 // Send the subscriber home to subscribe
88 // Diaspora needs the uri in the format user@domain.tld
89 if ($data['network'] == Protocol::DIASPORA) {
90 $uri = urlencode(self::$owner['addr']);
92 $uri = urlencode(self::$owner['url']);
95 $follow_link = str_replace('{uri}', $uri, $data['subscribe']);
96 System::externalRedirect($follow_link);
99 public function content(): string
101 if (empty(self::$owner)) {
105 $target_addr = self::$owner['addr'];
106 $target_url = self::$owner['url'];
108 $tpl = Renderer::getMarkupTemplate('auto_request.tpl');
109 $o = Renderer::replaceMacros($tpl, [
110 '$header' => DI::l10n()->t('Friend/Connection Request'),
111 '$page_desc' => DI::l10n()->t('Enter your Webfinger address (user@domain.tld) or profile URL here. If this isn\'t supported by your system, you have to subscribe to <strong>%s</strong> or <strong>%s</strong> directly on your system.', $target_addr, $target_url),
112 '$invite_desc' => DI::l10n()->t('If you are not yet a member of the free social web, <a href="%s">follow this link to find a public Friendica node and join us today</a>.', Search::getGlobalDirectory() . '/servers'),
113 '$your_address' => DI::l10n()->t('Your Webfinger address or profile URL:'),
114 '$pls_answer' => DI::l10n()->t('Please answer the following:'),
115 '$submit' => DI::l10n()->t('Submit Request'),
116 '$cancel' => DI::l10n()->t('Cancel'),
118 '$request' => 'remote_follow/' . $this->parameters['profile'],
119 '$name' => self::$owner['name'],
120 '$myaddr' => Profile::getMyURL(),