First implementation of ActivityPub C2S

src/Module/ActivityPub/Whoami.php

@@ -0,0 +1,105 @@
+<?php
+/**
+ * @copyright Copyright (C) 2010-2023, 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\ActivityPub;
+
+use Friendica\Content\Text\BBCode;
+use Friendica\Core\System;
+use Friendica\DI;
+use Friendica\Model\User;
+use Friendica\Module\BaseApi;
+use Friendica\Protocol\ActivityPub;
+
+/**
+ * Dummy class for all currently unimplemented endpoints
+ */
+class Whoami extends BaseApi
+{
+	/**
+	 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+	 */
+	protected function rawContent(array $request = [])
+	{
+		self::checkAllowedScope(self::SCOPE_READ);
+		$uid = self::getCurrentUserID();
+
+		$owner = User::getOwnerDataById($uid);
+
+		$data = ['@context' => ActivityPub::CONTEXT];
+
+		$data['id']                        = $owner['url'];
+		$data['url']                       = $owner['url'];
+		$data['type']                      = ActivityPub::ACCOUNT_TYPES[$owner['account-type']];
+		$data['name']                      = $owner['name'];
+		$data['preferredUsername']         = $owner['nick'];
+		$data['alsoKnownAs']               = [];
+		$data['manuallyApprovesFollowers'] = in_array($owner['page-flags'], [User::PAGE_FLAGS_NORMAL, User::PAGE_FLAGS_PRVGROUP]);
+		$data['discoverable']              = (bool)$owner['net-publish'];
+		$data['tag']                       = [];
+
+		$data['icon'] = [
+			'type' => 'Image',
+			'url'  => User::getAvatarUrl($owner)
+		];
+
+		if (!empty($owner['about'])) {
+			$data['summary'] = BBCode::convertForUriId($owner['uri-id'] ?? 0, $owner['about'], BBCode::EXTERNAL);
+		}
+
+		$custom_fields = [];
+
+		foreach (DI::profileField()->selectByContactId(0, $uid) as $profile_field) {
+			$custom_fields[] = [
+				'type'  => 'PropertyValue',
+				'name'  => $profile_field->label,
+				'value' => BBCode::convertForUriId($owner['uri-id'], $profile_field->value)
+			];
+		};
+
+		if (!empty($custom_fields)) {
+			$data['attachment'] = $custom_fields;
+		}
+
+		$data['publicKey'] = [
+			'id'           => $owner['url'] . '#main-key',
+			'owner'        => $owner['url'],
+			'publicKeyPem' => $owner['pubkey']
+		];
+
+		$data['capabilities'] = [];
+		$data['inbox']        = DI::baseUrl() . '/inbox/' . $owner['nick'];
+		$data['outbox']       = DI::baseUrl() . '/outbox/' . $owner['nick'];
+		$data['featured']     = DI::baseUrl() . '/featured/' . $owner['nick'];
+		$data['followers']    = DI::baseUrl() . '/followers/' . $owner['nick'];
+		$data['following']    = DI::baseUrl() . '/following/' . $owner['nick'];
+
+		$data['endpoints'] = [
+			'oauthAuthorizationEndpoint' => DI::baseUrl() . '/oauth/authorize',
+			'oauthRegistrationEndpoint'  => DI::baseUrl() . '/api/v1/apps',
+			'oauthTokenEndpoint'         => DI::baseUrl() . '/oauth/token',
+			'sharedInbox'                => DI::baseUrl() . '/inbox',
+			'uploadMedia'                => DI::baseUrl() . '/api/upload_media' // @todo Endpoint does not exist at the moment
+		];
+
+		$data['generator'] = ActivityPub\Transmitter::getService();
+		System::jsonExit($data, 'application/activity+json');
+	}
+}