friendica/src/Model/Introduction.php

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<?php
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/**
* @copyright Copyright (C) 2020, Friendica
*
* @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/>.
*
*/
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namespace Friendica\Model;
use Friendica\BaseModel;
use Friendica\Core\Protocol;
use Friendica\Database\Database;
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use Friendica\Network\HTTPException;
use Friendica\Protocol\ActivityPub;
use Friendica\Protocol\Diaspora;
use Friendica\Repository;
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use Friendica\Util\DateTimeFormat;
use Psr\Log\LoggerInterface;
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/**
* @property int uid
* @property int fid
* @property int contact-id
* @property bool knowyou
* @property bool duplex
* @property string note
* @property string hash
* @property string datetime
* @property bool blocked
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* @property bool ignore
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*/
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class Introduction extends BaseModel
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{
/** @var Repository\Introduction */
protected $intro;
public function __construct(Database $dba, LoggerInterface $logger, Repository\Introduction $intro, array $data = [])
{
parent::__construct($dba, $logger, $data);
$this->intro = $intro;
}
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/**
* Confirms a follow request and sends a notice to the remote contact.
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*
* @param bool $duplex Is it a follow back?
* @param bool|null $hidden Should this contact be hidden? null = no change
* @return bool
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* @throws HTTPException\InternalServerErrorException
* @throws HTTPException\NotFoundException
* @throws \ImagickException
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*/
public function confirm(bool $duplex = false, bool $hidden = null)
{
$this->logger->info('Confirming follower', ['cid' => $this->{'contact-id'}]);
$contact = Contact::selectFirst([], ['id' => $this->{'contact-id'}, 'uid' => $this->uid]);
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if (!$contact) {
throw new HTTPException\NotFoundException('Contact record not found.');
}
$newRelation = $contact['rel'];
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$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 ($duplex) {
$newRelation = Contact::FRIEND;
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} else {
$newRelation = Contact::FOLLOWER;
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}
if ($newRelation != Contact::FOLLOWER) {
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$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,
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];
$this->dba->update('contact', $fields, ['id' => $contact['id']]);
array_merge($contact, $fields);
if ($newRelation == Contact::FRIEND) {
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if ($protocol == Protocol::DIASPORA) {
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$ret = Diaspora::sendShare(User::getById($contact['uid']), $contact);
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$this->logger->info('share returns', ['return' => $ret]);
} elseif ($protocol == Protocol::ACTIVITYPUB) {
ActivityPub\Transmitter::sendActivity('Follow', $contact['url'], $contact['uid']);
}
}
return $this->intro->delete($this);
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}
/**
* Silently ignores the introduction, hides it from notifications and prevents the remote contact from submitting
* additional follow requests.
*
* @return bool
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* @throws \Exception
*/
public function ignore()
{
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$this->ignore = true;
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return $this->intro->update($this);
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}
/**
* Discards the introduction and sends a rejection message to AP contacts.
*
* @return bool
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* @throws HTTPException\InternalServerErrorException
* @throws HTTPException\NotFoundException
* @throws \ImagickException
*/
public function discard()
{
// If it is a friend suggestion, the contact is not a new friend but an existing friend
// that should not be deleted.
if (!$this->fid) {
// When the contact entry had been created just for that intro, we want to get rid of it now
$condition = ['id' => $this->{'contact-id'}, 'uid' => $this->uid,
'self' => false, 'pending' => true, 'rel' => [0, Contact::FOLLOWER]];
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if ($this->dba->exists('contact', $condition)) {
Contact::remove($this->{'contact-id'});
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} else {
$this->dba->update('contact', ['pending' => false], ['id' => $this->{'contact-id'}]);
}
}
$contact = Contact::selectFirst([], ['id' => $this->{'contact-id'}, 'uid' => $this->uid]);
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if (!$contact) {
throw new HTTPException\NotFoundException('Contact record not found.');
}
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']);
}
return $this->intro->delete($this);
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}
}