From cb0fde5d7db4cecb845b903290dc681c605d34ea Mon Sep 17 00:00:00 2001
From: Hypolite Petovan <hypolite@mrpetovan.com>
Date: Fri, 11 Nov 2022 00:39:26 -0500
Subject: [PATCH] Create new OStatus\Subscribe module class

- Move route from /ostatus_subscribe to /ostatus/subscribe
---
 src/Module/OStatus/Subscribe.php   | 164 +++++++++++++++++++++++++++++
 src/Module/Settings/Connectors.php |   2 +-
 static/routes.config.php           |   5 +-
 3 files changed, 168 insertions(+), 3 deletions(-)
 create mode 100644 src/Module/OStatus/Subscribe.php

diff --git a/src/Module/OStatus/Subscribe.php b/src/Module/OStatus/Subscribe.php
new file mode 100644
index 0000000000..52bd19aef2
--- /dev/null
+++ b/src/Module/OStatus/Subscribe.php
@@ -0,0 +1,164 @@
+<?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\OStatus;
+
+use Friendica\App;
+use Friendica\Core\L10n;
+use Friendica\Core\PConfig\Capability\IManagePersonalConfigValues;
+use Friendica\Core\Protocol;
+use Friendica\Core\Session\Capability\IHandleUserSessions;
+use Friendica\Model\APContact;
+use Friendica\Model\Contact;
+use Friendica\Module\Response;
+use Friendica\Navigation\SystemMessages;
+use Friendica\Network\HTTPClient\Capability\ICanSendHttpRequests;
+use Friendica\Network\HTTPClient\Client\HttpClientAccept;
+use Friendica\Protocol\ActivityPub;
+use Friendica\Util\Profiler;
+use Psr\Log\LoggerInterface;
+
+class Subscribe extends \Friendica\BaseModule
+{
+	/** @var IHandleUserSessions */
+	private $session;
+	/** @var SystemMessages */
+	private $systemMessages;
+	/** @var ICanSendHttpRequests */
+	private $httpClient;
+	/** @var IManagePersonalConfigValues */
+	private $pConfig;
+	/** @var App\Page */
+	private $page;
+
+	public function __construct(App\Page $page, IManagePersonalConfigValues $pConfig, ICanSendHttpRequests $httpClient, SystemMessages $systemMessages, IHandleUserSessions $session, L10n $l10n, App\BaseURL $baseUrl, App\Arguments $args, LoggerInterface $logger, Profiler $profiler, Response $response, array $server, array $parameters = [])
+	{
+		parent::__construct($l10n, $baseUrl, $args, $logger, $profiler, $response, $server, $parameters);
+
+		$this->session        = $session;
+		$this->systemMessages = $systemMessages;
+		$this->httpClient     = $httpClient;
+		$this->pConfig        = $pConfig;
+		$this->page           = $page;
+	}
+
+	protected function content(array $request = []): string
+	{
+		if (!$this->session->getLocalUserId()) {
+			$this->systemMessages->addNotice($this->t('Permission denied.'));
+			$this->baseUrl->redirect('login');
+		}
+
+		$o = '<h2>' . $this->t('Subscribing to contacts') . '</h2>';
+
+		$uid = $this->session->getLocalUserId();
+
+		$counter = intval($request['counter'] ?? 0);
+
+		if ($this->pConfig->get($uid, 'ostatus', 'legacy_friends') == '') {
+			if (empty($request['url'])) {
+				$this->pConfig->delete($uid, 'ostatus', 'legacy_contact');
+				return $o . $this->t('No contact provided.');
+			}
+
+			$contact = Contact::getByURL($request['url']);
+			if (!$contact) {
+				$this->pConfig->delete($uid, 'ostatus', 'legacy_contact');
+				return $o . $this->t('Couldn\'t fetch information for contact.');
+			}
+
+			if ($contact['network'] == Protocol::OSTATUS) {
+				$api = $contact['baseurl'] . '/api/';
+
+				// Fetching friends
+				$curlResult = $this->httpClient->get($api . 'statuses/friends.json?screen_name=' . $contact['nick'], HttpClientAccept::JSON);
+
+				if (!$curlResult->isSuccess()) {
+					$this->pConfig->delete($uid, 'ostatus', 'legacy_contact');
+					return $o . $this->t('Couldn\'t fetch friends for contact.');
+				}
+
+				$friends = $curlResult->getBody();
+				if (empty($friends)) {
+					$this->pConfig->delete($uid, 'ostatus', 'legacy_contact');
+					return $o . $this->t('Couldn\'t fetch following contacts.');
+				}
+				$this->pConfig->set($uid, 'ostatus', 'legacy_friends', $friends);
+			} elseif ($apcontact = APContact::getByURL($contact['url'])) {
+				if (empty($apcontact['following'])) {
+					$this->pConfig->delete($uid, 'ostatus', 'legacy_contact');
+					return $o . $this->t('Couldn\'t fetch remote profile.');
+				}
+				$followings = ActivityPub::fetchItems($apcontact['following']);
+				if (empty($followings)) {
+					$this->pConfig->delete($uid, 'ostatus', 'legacy_contact');
+					return $o . $this->t('Couldn\'t fetch following contacts.');
+				}
+				$this->pConfig->set($uid, 'ostatus', 'legacy_friends', json_encode($followings));
+			} else {
+				$this->pConfig->delete($uid, 'ostatus', 'legacy_contact');
+				return $o . $this->t('Unsupported network');
+			}
+		}
+
+		$friends = json_decode($this->pConfig->get($uid, 'ostatus', 'legacy_friends'));
+
+		if (empty($friends)) {
+			$friends = [];
+		}
+
+		$total = sizeof($friends);
+
+		if ($counter >= $total) {
+			$this->page['htmlhead'] = '<meta http-equiv="refresh" content="0; URL=' . $this->baseUrl . '/settings/connectors">';
+			$this->pConfig->delete($uid, 'ostatus', 'legacy_friends');
+			$this->pConfig->delete($uid, 'ostatus', 'legacy_contact');
+			$o .= $this->t('Done');
+			return $o;
+		}
+
+		$friend = $friends[$counter++];
+
+		$url = $friend->statusnet_profile_url ?? $friend;
+
+		$o .= '<p>' . $counter . '/' . $total . ': ' . $url;
+
+		$probed = Contact::getByURL($url);
+		if (in_array($probed['network'], Protocol::FEDERATED)) {
+			$result = Contact::createFromProbeForUser($this->session->getLocalUserId(), $probed['url']);
+			if ($result['success']) {
+				$o .= ' - ' . $this->t('success');
+			} else {
+				$o .= ' - ' . $this->t('failed');
+			}
+		} else {
+			$o .= ' - ' . $this->t('ignored');
+		}
+
+		$o .= '</p>';
+
+		$o .= '<p>' . $this->t('Keep this window open until done.') . '</p>';
+
+		$this->page['htmlhead'] = '<meta http-equiv="refresh" content="0; URL=' . $this->baseUrl . '/ostatus/subscribe?counter=' . $counter . '">';
+
+		return $o;
+	}
+}
diff --git a/src/Module/Settings/Connectors.php b/src/Module/Settings/Connectors.php
index 969d74d054..acd638829a 100644
--- a/src/Module/Settings/Connectors.php
+++ b/src/Module/Settings/Connectors.php
@@ -140,7 +140,7 @@ class Connectors extends BaseSettings
 		$legacy_contact          =         $this->pconfig->get($this->session->getLocalUserId(), 'ostatus', 'legacy_contact');
 
 		if (!empty($legacy_contact)) {
-			$this->baseUrl->redirect('ostatus_subscribe?url=' . urlencode($legacy_contact));
+			$this->baseUrl->redirect('ostatus/subscribe?url=' . urlencode($legacy_contact));
 		}
 
 		$connector_settings_forms = [];
diff --git a/static/routes.config.php b/static/routes.config.php
index 927b018403..d5bed27569 100644
--- a/static/routes.config.php
+++ b/static/routes.config.php
@@ -526,8 +526,6 @@ return [
 	'/openid'            => [Module\Security\OpenID::class,    [R::GET]],
 	'/opensearch'        => [Module\OpenSearch::class,         [R::GET]],
 
-	'/ostatus/repair'                     => [Module\OStatus\Repair::class,    [R::GET]],
-
 	'/parseurl'                           => [Module\ParseUrl::class,          [R::GET]],
 	'/permission/tooltip/{type}/{id:\d+}' => [Module\PermissionTooltip::class, [R::GET]],
 
@@ -569,6 +567,9 @@ return [
 		'/{sub1}/{sub2}/{url}' => [Module\Proxy::class, [R::GET]],
 	],
 
+	// OStatus stack modules
+	'/ostatus/repair'              => [Module\OStatus\Repair::class,           [R::GET         ]],
+	'/ostatus/subscribe'           => [Module\OStatus\Subscribe::class,        [R::GET         ]],
 	'/poco'                        => [Module\User\PortableContacts::class,    [R::GET         ]],
 	'/pubsub/{nickname}/{cid:\d+}' => [Module\OStatus\PubSub::class,           [R::GET, R::POST]],
 	'/pubsubhubbub/{nickname}'     => [Module\OStatus\PubSubHubBub::class,     [        R::POST]],
-- 
2.39.5