friendica-github/src/Module/FollowConfirm.php

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<?php
namespace Friendica\Module;
use Friendica\App;
use Friendica\BaseModule;
use Friendica\Core\L10n;
use Friendica\Core\Logger;
use Friendica\Core\Protocol;
use Friendica\Database\DBA;
use Friendica\Model\Contact;
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use Friendica\Model\User;
use Friendica\Protocol\Diaspora;
use Friendica\Protocol\ActivityPub;
use Friendica\Util\DateTimeFormat;
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/**
* Process follow request confirmations
*/
class FollowConfirm extends BaseModule
{
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public static function post($parameters)
{
$a = self::getApp();
$uid = local_user();
if (!$uid) {
notice(L10n::t('Permission denied.') . EOL);
return;
}
$intro_id = intval($_POST['intro_id'] ?? 0);
$duplex = intval($_POST['duplex'] ?? 0);
$cid = intval($_POST['contact_id'] ?? 0);
$hidden = intval($_POST['hidden'] ?? 0);
if (empty($cid)) {
notice(L10n::t('No given contact.') . EOL);
return;
}
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Logger::info('Confirming follower', ['cid' => $cid]);
$contact = DBA::selectFirst('contact', [], ['id' => $cid, 'uid' => $uid]);
if (!DBA::isResult($contact)) {
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Logger::warning('Contact not found in DB.', ['cid' => $cid]);
notice(L10n::t('Contact not found.') . EOL);
return;
}
$relation = $contact['rel'];
$new_relation = $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'], $uid);
}
if (in_array($protocol, [Protocol::DIASPORA, Protocol::ACTIVITYPUB])) {
if ($duplex) {
$new_relation = Contact::FRIEND;
} else {
$new_relation = Contact::FOLLOWER;
}
if ($new_relation != Contact::FOLLOWER) {
$writable = 1;
}
}
$fields = ['name-date' => DateTimeFormat::utcNow(),
'uri-date' => DateTimeFormat::utcNow(),
'blocked' => false, 'pending' => false, 'protocol' => $protocol,
'writable' => $writable, 'hidden' => $hidden, 'rel' => $new_relation];
DBA::update('contact', $fields, ['id' => $cid]);
if ($new_relation == Contact::FRIEND) {
if ($protocol == Protocol::DIASPORA) {
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$user = User::getById($uid);
$contact = Contact::getById($cid);
$ret = Diaspora::sendShare($user, $contact);
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Logger::info('share returns', ['return' => $ret]);
} elseif ($protocol == Protocol::ACTIVITYPUB) {
ActivityPub\Transmitter::sendActivity('Follow', $contact['url'], $uid);
}
}
DBA::delete('intro', ['id' => $intro_id]);
$a->internalRedirect('contact/' . intval($cid));
}
}