471 lines
16 KiB
PHP
471 lines
16 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2010-2022, the Friendica project
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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namespace Friendica\Worker;
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use Friendica\Core\Logger;
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use Friendica\Core\Protocol;
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use Friendica\Core\System;
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use Friendica\Database\DBA;
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use Friendica\DI;
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use Friendica\Model\Contact;
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use Friendica\Model\Item;
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use Friendica\Model\Post;
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use Friendica\Model\User;
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use Friendica\Network\HTTPClient\Client\HttpClientAccept;
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use Friendica\Network\HTTPClient\Client\HttpClientOptions;
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use Friendica\Protocol\Activity;
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use Friendica\Protocol\ActivityPub;
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use Friendica\Protocol\Email;
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use Friendica\Protocol\Feed;
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use Friendica\Util\DateTimeFormat;
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use Friendica\Util\Strings;
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class OnePoll
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{
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public static function execute($contact_id = 0, $command = '')
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{
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Logger::notice('Start polling/probing contact', ['id' => $contact_id]);
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$force = ($command == "force");
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if (empty($contact_id)) {
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Logger::notice('no contact provided');
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return;
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}
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$contact = DBA::selectFirst('contact', [], ['id' => $contact_id]);
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if (!DBA::isResult($contact)) {
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Logger::warning('Contact not found', ['id' => $contact_id]);
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return;
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}
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// We never probe mail contacts since their probing demands a mail from the contact in the inbox.
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// We don't probe feed accounts by default since they are polled in a higher frequency, but forced probes are okay.
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if ($force && ($contact['network'] == Protocol::FEED)) {
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$success = Contact::updateFromProbe($contact_id);
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} else {
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$success = true;
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}
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$importer_uid = $contact['uid'];
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$updated = DateTimeFormat::utcNow();
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// Possibly switch the remote contact to AP
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if ($success && ($contact['network'] === Protocol::OSTATUS)) {
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ActivityPub\Receiver::switchContact($contact['id'], $importer_uid, $contact['url']);
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}
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$contact = DBA::selectFirst('contact', [], ['id' => $contact_id]);
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if ($success && ($importer_uid != 0) && in_array($contact['rel'], [Contact::SHARING, Contact::FRIEND])
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&& in_array($contact['network'], [Protocol::FEED, Protocol::MAIL, Protocol::OSTATUS])) {
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$importer = User::getOwnerDataById($importer_uid);
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if (empty($importer)) {
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Logger::warning('No self contact for user', ['uid' => $importer_uid]);
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// set the last-update so we don't keep polling
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Contact::update(['last-update' => $updated], ['id' => $contact['id']]);
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return;
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}
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Logger::info('Start polling/subscribing', ['protocol' => $contact['network'], 'id' => $contact['id']]);
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if ($contact['network'] === Protocol::FEED) {
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$success = self::pollFeed($contact, $importer);
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} elseif ($contact['network'] === Protocol::MAIL) {
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$success = self::pollMail($contact, $importer_uid, $updated);
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} else {
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$success = self::subscribeToHub($contact['url'], $importer, $contact, $contact['blocked'] ? 'unsubscribe' : 'subscribe');
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}
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if (!$success) {
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Logger::notice('Probing had been successful, polling/subscribing failed', ['protocol' => $contact['network'], 'id' => $contact['id'], 'url' => $contact['url']]);
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}
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}
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if ($success) {
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self::updateContact($contact, ['failed' => false, 'last-update' => $updated, 'success_update' => $updated]);
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Contact::unmarkForArchival($contact);
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} else {
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self::updateContact($contact, ['failed' => true, 'last-update' => $updated, 'failure_update' => $updated]);
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Contact::markForArchival($contact);
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}
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Logger::notice('End');
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return;
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}
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/**
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* Updates a personal contact entry and the public contact entry
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*
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* @param array $contact The personal contact entry
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* @param array $fields The fields that are updated
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* @throws \Exception
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*/
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private static function updateContact(array $contact, array $fields)
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{
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if (in_array($contact['network'], [Protocol::FEED, Protocol::MAIL, Protocol::OSTATUS])) {
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// Update the user's contact
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Contact::update($fields, ['id' => $contact['id']]);
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// Update the public contact
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Contact::update($fields, ['uid' => 0, 'nurl' => $contact['nurl']]);
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// Update the rest of the contacts that aren't polled
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Contact::update($fields, ['rel' => Contact::FOLLOWER, 'nurl' => $contact['nurl']]);
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} else {
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// Update all contacts
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Contact::update($fields, ['nurl' => $contact['nurl']]);
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}
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}
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/**
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* Poll Feed contacts
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*
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* @param array $contact The personal contact entry
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* @param array $importer
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*
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* @return bool Success
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* @throws \Exception
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*/
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private static function pollFeed(array $contact, $importer)
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{
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// Are we allowed to import from this person?
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if ($contact['rel'] == Contact::FOLLOWER || $contact['blocked']) {
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Logger::notice('Contact is blocked or only a follower');
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return false;
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}
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$cookiejar = tempnam(System::getTempPath(), 'cookiejar-onepoll-');
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$curlResult = DI::httpClient()->get($contact['poll'], HttpClientAccept::FEED_XML, [HttpClientOptions::COOKIEJAR => $cookiejar]);
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unlink($cookiejar);
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if ($curlResult->isTimeout()) {
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Logger::notice('Polling timed out', ['id' => $contact['id'], 'url' => $contact['poll']]);
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return false;
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}
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$xml = $curlResult->getBody();
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if (empty($xml)) {
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Logger::notice('Empty content', ['id' => $contact['id'], 'url' => $contact['poll']]);
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return false;
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}
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if (!strstr($xml, '<')) {
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Logger::notice('response did not contain XML.', ['id' => $contact['id'], 'url' => $contact['poll']]);
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return false;
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}
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Logger::notice('Consume feed of contact', ['id' => $contact['id'], 'url' => $contact['poll'], 'Content-Type' => $curlResult->getHeader('Content-Type')]);
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return !empty(Feed::import($xml, $importer, $contact));
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}
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/**
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* Poll Mail contacts
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*
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* @param array $contact The personal contact entry
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* @param integer $importer_uid The UID of the importer
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* @param string $updated The updated date
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* @throws \Exception
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*/
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private static function pollMail(array $contact, $importer_uid, $updated)
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{
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Logger::info('Fetching mails', ['addr' => $contact['addr']]);
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$mail_disabled = ((function_exists('imap_open') && !DI::config()->get('system', 'imap_disabled')) ? 0 : 1);
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if ($mail_disabled) {
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Logger::notice('Mail is disabled');
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return false;
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}
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Logger::info('Mail is enabled');
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$mbox = null;
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$user = DBA::selectFirst('user', ['prvkey'], ['uid' => $importer_uid]);
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$condition = ["`server` != '' AND `uid` = ?", $importer_uid];
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$mailconf = DBA::selectFirst('mailacct', [], $condition);
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if (DBA::isResult($user) && DBA::isResult($mailconf)) {
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$mailbox = Email::constructMailboxName($mailconf);
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$password = '';
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openssl_private_decrypt(hex2bin($mailconf['pass']), $password, $user['prvkey']);
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$mbox = Email::connect($mailbox, $mailconf['user'], $password);
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unset($password);
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Logger::notice('Connect', ['user' => $mailconf['user']]);
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if ($mbox) {
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$fields = ['last_check' => $updated];
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DBA::update('mailacct', $fields, ['id' => $mailconf['id']]);
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Logger::notice('Connected', ['user' => $mailconf['user']]);
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} else {
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Logger::notice('Connection error', ['user' => $mailconf['user'], 'error' => imap_errors()]);
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return false;
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}
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}
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if (empty($mbox)) {
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return false;
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}
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$msgs = Email::poll($mbox, $contact['addr']);
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if (count($msgs)) {
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Logger::info('Parsing mails', ['count' => count($msgs), 'addr' => $contact['addr'], 'user' => $mailconf['user']]);
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$metas = Email::messageMeta($mbox, implode(',', $msgs));
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if (count($metas) != count($msgs)) {
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Logger::info("for " . $mailconf['user'] . " there are ". count($msgs) . " messages but received " . count($metas) . " metas");
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} else {
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$msgs = array_combine($msgs, $metas);
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foreach ($msgs as $msg_uid => $meta) {
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Logger::info('Parsing mail', ['message-uid' => $msg_uid]);
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$datarray = [];
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$datarray['uid'] = $importer_uid;
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$datarray['contact-id'] = $contact['id'];
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$datarray['verb'] = Activity::POST;
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$datarray['object-type'] = Activity\ObjectType::NOTE;
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$datarray['network'] = Protocol::MAIL;
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// $meta = Email::messageMeta($mbox, $msg_uid);
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$datarray['thr-parent'] = $datarray['uri'] = Email::msgid2iri(trim($meta->message_id, '<>'));
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// Have we seen it before?
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$fields = ['deleted', 'id'];
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$condition = ['uid' => $importer_uid, 'uri' => $datarray['uri']];
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$item = Post::selectFirst($fields, $condition);
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if (DBA::isResult($item)) {
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Logger::info("Mail: Seen before ".$msg_uid." for ".$mailconf['user']." UID: ".$importer_uid." URI: ".$datarray['uri']);
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// Only delete when mails aren't automatically moved or deleted
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if (($mailconf['action'] != 1) && ($mailconf['action'] != 3))
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if ($meta->deleted && ! $item['deleted']) {
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$fields = ['deleted' => true, 'changed' => $updated];
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Item::update($fields, ['id' => $item['id']]);
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}
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switch ($mailconf['action']) {
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case 0:
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Logger::info("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.");
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break;
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case 1:
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Logger::notice("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
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imap_delete($mbox, $msg_uid, FT_UID);
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break;
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case 2:
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Logger::notice("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
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imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
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break;
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case 3:
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Logger::notice("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
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imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
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if ($mailconf['movetofolder'] != "") {
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imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
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}
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break;
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}
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continue;
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}
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// look for a 'references' or an 'in-reply-to' header and try to match with a parent item we have locally.
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$raw_refs = (property_exists($meta, 'references') ? str_replace("\t", '', $meta->references) : '');
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if (!trim($raw_refs)) {
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$raw_refs = (property_exists($meta, 'in_reply_to') ? str_replace("\t", '', $meta->in_reply_to) : '');
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}
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$raw_refs = trim($raw_refs); // Don't allow a blank reference in $refs_arr
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if ($raw_refs) {
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$refs_arr = explode(' ', $raw_refs);
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if (count($refs_arr)) {
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for ($x = 0; $x < count($refs_arr); $x ++) {
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$refs_arr[$x] = Email::msgid2iri(str_replace(['<', '>', ' '],['', '', ''], $refs_arr[$x]));
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}
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}
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$condition = ['uri' => $refs_arr, 'uid' => $importer_uid];
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$parent = Post::selectFirst(['uri'], $condition);
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if (DBA::isResult($parent)) {
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$datarray['thr-parent'] = $parent['uri'];
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}
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}
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// Decoding the header
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$subject = imap_mime_header_decode($meta->subject ?? '');
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$datarray['title'] = "";
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foreach ($subject as $subpart) {
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if ($subpart->charset != "default") {
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$datarray['title'] .= iconv($subpart->charset, 'UTF-8//IGNORE', $subpart->text);
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} else {
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$datarray['title'] .= $subpart->text;
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}
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}
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$datarray['title'] = trim($datarray['title']);
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//$datarray['title'] = Strings::escapeTags(trim($meta->subject));
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$datarray['created'] = DateTimeFormat::utc($meta->date);
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// Is it a reply?
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$reply = ((substr(strtolower($datarray['title']), 0, 3) == "re:") ||
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(substr(strtolower($datarray['title']), 0, 3) == "re-") ||
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($raw_refs != ""));
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// Remove Reply-signs in the subject
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$datarray['title'] = self::RemoveReply($datarray['title']);
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// If it seems to be a reply but a header couldn't be found take the last message with matching subject
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if (empty($datarray['thr-parent']) && $reply) {
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$condition = ['title' => $datarray['title'], 'uid' => $importer_uid, 'network' => Protocol::MAIL];
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$params = ['order' => ['created' => true]];
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$parent = Post::selectFirst(['uri'], $condition, $params);
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if (DBA::isResult($parent)) {
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$datarray['thr-parent'] = $parent['uri'];
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}
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}
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$headers = imap_headerinfo($mbox, $meta->msgno);
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$object = [];
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if (!empty($headers->from)) {
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$object['from'] = $headers->from;
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}
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if (!empty($headers->to)) {
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$object['to'] = $headers->to;
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}
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if (!empty($headers->reply_to)) {
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$object['reply_to'] = $headers->reply_to;
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}
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if (!empty($headers->sender)) {
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$object['sender'] = $headers->sender;
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}
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if (!empty($object)) {
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$datarray['object'] = json_encode($object);
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}
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$fromname = $frommail = $headers->from[0]->mailbox . '@' . $headers->from[0]->host;
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if (!empty($headers->from[0]->personal)) {
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$fromname = $headers->from[0]->personal;
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}
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$datarray['author-name'] = $fromname;
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$datarray['author-link'] = "mailto:".$frommail;
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$datarray['author-avatar'] = $contact['photo'];
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$datarray['owner-name'] = $contact['name'];
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$datarray['owner-link'] = "mailto:".$contact['addr'];
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$datarray['owner-avatar'] = $contact['photo'];
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if (empty($datarray['thr-parent']) || ($datarray['thr-parent'] === $datarray['uri'])) {
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$datarray['private'] = Item::PRIVATE;
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}
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if (!DI::pConfig()->get($importer_uid, 'system', 'allow_public_email_replies')) {
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$datarray['private'] = Item::PRIVATE;
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$datarray['allow_cid'] = '<' . $contact['id'] . '>';
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}
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$datarray = Email::getMessage($mbox, $msg_uid, $reply, $datarray);
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if (empty($datarray['body'])) {
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Logger::notice("Mail: can't fetch msg ".$msg_uid." for ".$mailconf['user']);
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continue;
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}
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Logger::notice("Mail: Importing ".$msg_uid." for ".$mailconf['user']);
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Item::insert($datarray);
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switch ($mailconf['action']) {
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case 0:
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Logger::info("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.");
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break;
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case 1:
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Logger::notice("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
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imap_delete($mbox, $msg_uid, FT_UID);
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break;
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case 2:
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Logger::notice("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
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imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
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break;
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case 3:
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Logger::notice("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
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imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
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if ($mailconf['movetofolder'] != "") {
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imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
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}
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break;
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}
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}
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}
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} else {
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Logger::notice('No mails', ['user' => $mailconf['user']]);
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}
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Logger::info('Closing connection', ['user' => $mailconf['user']]);
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imap_close($mbox);
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return true;
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}
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private static function RemoveReply($subject)
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{
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while (in_array(strtolower(substr($subject, 0, 3)), ["re:", "aw:"])) {
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$subject = trim(substr($subject, 4));
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}
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return $subject;
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}
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/**
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* @param string $url
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* @param array $importer
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* @param array $contact
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* @param string $hubmode
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
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private static function subscribeToHub(string $url, array $importer, array $contact, string $hubmode = 'subscribe')
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{
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$push_url = DI::baseUrl() . '/pubsub/' . $importer['nick'] . '/' . $contact['id'];
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// Use a single verify token, even if multiple hubs
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$verify_token = $contact['hub-verify'] ?: Strings::getRandomHex();
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$params = 'hub.mode=' . $hubmode . '&hub.callback=' . urlencode($push_url) . '&hub.topic=' . urlencode($contact['poll']) . '&hub.verify=async&hub.verify_token=' . $verify_token;
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Logger::info('Hub subscription start', ['mode' => $hubmode, 'name' => $contact['name'], 'hub' => $url, 'endpoint' => $push_url, 'verifier' => $verify_token]);
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if (!strlen($contact['hub-verify']) || ($contact['hub-verify'] != $verify_token)) {
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Contact::update(['hub-verify' => $verify_token], ['id' => $contact['id']]);
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}
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$postResult = DI::httpClient()->post($url, $params);
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Logger::info('Hub subscription done', ['result' => $postResult->getReturnCode()]);
|
|
|
|
return $postResult->isSuccess();
|
|
}
|
|
}
|