Move Introduction to new depository paradigm

2025-05-06 15:04:10 +02:00 · 2021-10-18 22:12:49 +02:00 · 2021-10-18 22:12:49 +02:00 · a40f503fdd
commit a40f503fdd
parent 4c0e00fa4f
14 changed files with 380 additions and 179 deletions
--- a/src/Model/Contact/Introduction.php
+++ b/src/Model/Contact/Introduction.php
@ -0,0 +1,144 @@
+<?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\Model\Contact;
+
+use Friendica\Contact\Introduction\Entity;
+use Friendica\Core\Protocol;
+use Friendica\DI;
+use Friendica\Network\HTTPException;
+use Friendica\Model\Contact;
+use Friendica\Model\User;
+use Friendica\Protocol\ActivityPub;
+use Friendica\Protocol\Diaspora;
+use Friendica\Util\DateTimeFormat;
+
+class Introduction
+{
+	/**
+	 * Confirms a follow request and sends a notice to the remote contact.
+	 *
+	 * @param Entity\Introduction $introduction
+	 *
+	 * @throws HTTPException\InternalServerErrorException
+	 * @throws HTTPException\NotFoundException
+	 * @throws \ImagickException
+	 */
+	public static function confirm(Entity\Introduction $introduction): void
+	{
+		DI::logger()->info('Confirming follower', ['cid' => $introduction->cid]);
+
+		$contact = Contact::selectFirst([], ['id' => $introduction->cid, 'uid' => $introduction->uid]);
+
+		if (!$contact) {
+			throw new HTTPException\NotFoundException('Contact record not found.');
+		}
+
+		$newRelation = $contact['rel'];
+		$writable    = $contact['writable'];
+
+		if (!empty($contact['protocol'])) {
+			$protocol = $contact['protocol'];
+		} else {
+			$protocol = $contact['network'];
+		}
+
+		if ($protocol == Protocol::ACTIVITYPUB) {
+			ActivityPub\Transmitter::sendContactAccept($contact['url'], $contact['hub-verify'], $contact['uid']);
+		}
+
+		if (in_array($protocol, [Protocol::DIASPORA, Protocol::ACTIVITYPUB])) {
+			if ($introduction->duplex) {
+				$newRelation = Contact::FRIEND;
+			} else {
+				$newRelation = Contact::FOLLOWER;
+			}
+
+			if ($newRelation != Contact::FOLLOWER) {
+				$writable = 1;
+			}
+		}
+
+		$fields = [
+			'name-date' => DateTimeFormat::utcNow(),
+			'uri-date'  => DateTimeFormat::utcNow(),
+			'blocked'   => false,
+			'pending'   => false,
+			'protocol'  => $protocol,
+			'writable'  => $writable,
+			'hidden'    => $hidden ?? $contact['hidden'],
+			'rel'       => $newRelation,
+		];
+		Contact::update($fields, ['id' => $contact['id']]);
+
+		array_merge($contact, $fields);
+
+		if ($newRelation == Contact::FRIEND) {
+			if ($protocol == Protocol::DIASPORA) {
+				$ret = Diaspora::sendShare(User::getById($contact['uid']), $contact);
+				DI::logger()->info('share returns', ['return' => $ret]);
+			} elseif ($protocol == Protocol::ACTIVITYPUB) {
+				ActivityPub\Transmitter::sendActivity('Follow', $contact['url'], $contact['uid']);
+			}
+		}
+	}
+
+	/**
+	 * Discards the introduction and sends a rejection message to AP contacts.
+	 *
+	 * @param Entity\Introduction $introduction
+	 *
+	 * @throws HTTPException\InternalServerErrorException
+	 * @throws \ImagickException
+	 */
+	public static function discard(Entity\Introduction $introduction): void
+	{
+		// If it is a friend suggestion, the contact is not a new friend but an existing friend
+		// that should not be deleted.
+		if (!$introduction->fid) {
+			// When the contact entry had been created just for that intro, we want to get rid of it now
+			$condition = [
+				'id'      => $introduction->cid,
+				'uid'     => $introduction->uid,
+				'self'    => false,
+				'pending' => true,
+				'rel'     => [0, Contact::FOLLOWER]];
+			if (DI::dba()->exists('contact', $condition)) {
+				Contact::remove($introduction->cid);
+			} else {
+				Contact::update(['pending' => false], ['id' => $introduction->cid]);
+			}
+		}
+
+		$contact = Contact::selectFirst([], ['id' => $introduction->cid, 'uid' => $introduction->uid]);
+		if (!empty($contact)) {
+			if (!empty($contact['protocol'])) {
+				$protocol = $contact['protocol'];
+			} else {
+				$protocol = $contact['network'];
+			}
+
+			if ($protocol == Protocol::ACTIVITYPUB) {
+				ActivityPub\Transmitter::sendContactReject($contact['url'], $contact['hub-verify'], $contact['uid']);
+			}
+		}
+	}
+}