friendica/src/Module/RemoteFollow.php
2022-01-02 08:27:47 +01:00

135 lines
4.5 KiB
PHP

<?php
/**
* @copyright Copyright (C) 2010-2022, 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\Module;
use Friendica\App;
use Friendica\App\Page;
use Friendica\BaseModule;
use Friendica\Content\Widget;
use Friendica\Core\L10n;
use Friendica\Core\Logger;
use Friendica\Core\Protocol;
use Friendica\Core\Renderer;
use Friendica\Core\Search;
use Friendica\Core\System;
use Friendica\Model\Contact;
use Friendica\Model\Profile;
use Friendica\Model\User;
use Friendica\Network\HTTPException;
use Friendica\Network\Probe;
use Friendica\Util\Profiler;
use Psr\Log\LoggerInterface;
/**
* Remotely follow the account on this system by the provided account
*/
class RemoteFollow extends BaseModule
{
/** @var array */
protected $owner;
/** @var Page */
protected $page;
public function __construct(L10n $l10n, App\BaseURL $baseUrl, App\Arguments $args, App\Page $page, LoggerInterface $logger, Profiler $profiler, Response $response, array $server, array $parameters = [])
{
parent::__construct($l10n, $baseUrl, $args, $logger, $profiler, $response, $server, $parameters);
$this->owner = User::getOwnerDataByNick($this->parameters['profile']);
if (!$this->owner) {
throw new HTTPException\NotFoundException($this->t('User not found.'));
}
$this->page = $page;
}
protected function post(array $request = [])
{
if (!empty($_POST['cancel']) || empty($_POST['dfrn_url'])) {
$this->baseUrl->redirect();
}
if (empty($this->owner)) {
notice($this->t('Profile unavailable.'));
return;
}
$url = Probe::cleanURI($_POST['dfrn_url']);
if (!strlen($url)) {
notice($this->t("Invalid locator"));
return;
}
// Detect the network, make sure the provided URL is valid
$data = Contact::getByURL($url);
if (!$data) {
notice($this->t("The provided profile link doesn't seem to be valid"));
return;
}
if (empty($data['subscribe'])) {
notice($this->t("Remote subscription can't be done for your network. Please subscribe directly on your system."));
return;
}
Logger::notice('Remote request', ['url' => $url, 'follow' => $this->owner['url'], 'remote' => $data['subscribe']]);
// Substitute our user's feed URL into $data['subscribe']
// Send the subscriber home to subscribe
// Diaspora needs the uri in the format user@domain.tld
if ($data['network'] == Protocol::DIASPORA) {
$uri = urlencode($this->owner['addr']);
} else {
$uri = urlencode($this->owner['url']);
}
$follow_link = str_replace('{uri}', $uri, $data['subscribe']);
System::externalRedirect($follow_link);
}
protected function content(array $request = []): string
{
if (empty($this->owner)) {
return '';
}
$this->page['aside'] = Widget\VCard::getHTML($this->owner);
$target_addr = $this->owner['addr'];
$target_url = $this->owner['url'];
$tpl = Renderer::getMarkupTemplate('auto_request.tpl');
$o = Renderer::replaceMacros($tpl, [
'$header' => $this->t('Friend/Connection Request'),
'$page_desc' => $this->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, $target_url),
'$invite_desc' => $this->t('If you are not yet a member of the free social web, <a href="%s">follow this link to find a public Friendica node and join us today</a>.', Search::getGlobalDirectory() . '/servers'),
'$your_address' => $this->t('Your Webfinger address or profile URL:'),
'$pls_answer' => $this->t('Please answer the following:'),
'$submit' => $this->t('Submit Request'),
'$cancel' => $this->t('Cancel'),
'$request' => 'remote_follow/' . $this->parameters['profile'],
'$name' => $this->owner['name'],
'$myaddr' => Profile::getMyURL(),
]);
return $o;
}
}