2018-09-26 19:24:29 +02:00
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<?php
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/**
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2020-02-09 15:45:36 +01:00
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* @copyright Copyright (C) 2020, Friendica
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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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2018-09-26 19:24:29 +02:00
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*/
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namespace Friendica\Model;
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2018-11-08 17:28:29 +01:00
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use Friendica\Content\Text\HTML;
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2018-10-29 22:20:46 +01:00
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use Friendica\Core\Logger;
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2018-09-26 19:24:29 +02:00
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use Friendica\Database\DBA;
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2020-01-19 21:26:42 +01:00
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use Friendica\DI;
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2018-09-26 19:24:29 +02:00
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use Friendica\Protocol\ActivityPub;
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2020-03-25 00:12:53 +01:00
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use Friendica\Util\Crypto;
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2018-09-26 19:24:29 +02:00
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use Friendica\Util\Network;
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use Friendica\Util\JsonLD;
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use Friendica\Util\DateTimeFormat;
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2018-11-08 17:28:29 +01:00
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use Friendica\Util\Strings;
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2018-09-26 19:24:29 +02:00
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2019-12-15 23:28:01 +01:00
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class APContact
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2018-09-26 19:24:29 +02:00
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{
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/**
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* Resolves the profile url from the address by using webfinger
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*
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* @param string $addr profile address (user@domain.tld)
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2019-06-18 09:47:21 +02:00
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* @param string $url profile URL. When set then we return "true" when this profile url can be found at the address
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* @return string|boolean url
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2019-01-06 22:06:53 +01:00
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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2018-09-26 19:24:29 +02:00
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*/
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2019-06-18 09:47:21 +02:00
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private static function addrToUrl($addr, $url = null)
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2018-09-26 19:24:29 +02:00
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{
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$addr_parts = explode('@', $addr);
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if (count($addr_parts) != 2) {
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return false;
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}
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2020-01-19 21:21:13 +01:00
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$xrd_timeout = DI::config()->get('system', 'xrd_timeout');
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2019-06-18 10:05:45 +02:00
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2018-09-26 19:24:29 +02:00
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$webfinger = 'https://' . $addr_parts[1] . '/.well-known/webfinger?resource=acct:' . urlencode($addr);
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2019-06-18 10:05:45 +02:00
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$curlResult = Network::curl($webfinger, false, ['timeout' => $xrd_timeout, 'accept_content' => 'application/jrd+json,application/json']);
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2018-10-10 21:08:43 +02:00
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if (!$curlResult->isSuccess() || empty($curlResult->getBody())) {
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2019-06-19 20:38:22 +02:00
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$webfinger = Strings::normaliseLink($webfinger);
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2019-06-18 09:47:21 +02:00
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2019-06-18 10:05:45 +02:00
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$curlResult = Network::curl($webfinger, false, ['timeout' => $xrd_timeout, 'accept_content' => 'application/jrd+json,application/json']);
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2019-06-18 09:47:21 +02:00
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if (!$curlResult->isSuccess() || empty($curlResult->getBody())) {
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return false;
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}
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2018-09-26 19:24:29 +02:00
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}
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2018-10-10 21:08:43 +02:00
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$data = json_decode($curlResult->getBody(), true);
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2018-09-26 19:24:29 +02:00
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if (empty($data['links'])) {
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return false;
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}
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foreach ($data['links'] as $link) {
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2019-06-18 09:47:21 +02:00
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if (!empty($url) && !empty($link['href']) && ($link['href'] == $url)) {
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return true;
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}
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2018-09-26 19:24:29 +02:00
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if (empty($link['href']) || empty($link['rel']) || empty($link['type'])) {
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continue;
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}
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2019-06-18 09:47:21 +02:00
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if (empty($url) && ($link['rel'] == 'self') && ($link['type'] == 'application/activity+json')) {
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2018-09-26 19:24:29 +02:00
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return $link['href'];
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}
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}
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return false;
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}
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/**
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* Fetches a profile from a given url
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*
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* @param string $url profile url
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2019-01-05 23:04:32 +01:00
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* @param boolean $update true = always update, false = never update, null = update when not found or outdated
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2018-09-26 19:24:29 +02:00
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* @return array profile array
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2019-01-06 22:06:53 +01:00
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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* @throws \ImagickException
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2018-09-26 19:24:29 +02:00
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*/
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2018-09-30 10:14:05 +02:00
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public static function getByURL($url, $update = null)
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2018-09-26 19:24:29 +02:00
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{
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if (empty($url)) {
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2019-12-11 14:20:38 +01:00
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return [];
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2018-09-26 19:24:29 +02:00
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}
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2019-06-20 05:06:34 +02:00
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$fetched_contact = false;
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2018-09-26 19:24:29 +02:00
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if (empty($update)) {
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2019-01-05 23:04:32 +01:00
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if (is_null($update)) {
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$ref_update = DateTimeFormat::utc('now - 1 month');
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} else {
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$ref_update = DBA::NULL_DATETIME;
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}
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2018-09-26 19:24:29 +02:00
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$apcontact = DBA::selectFirst('apcontact', [], ['url' => $url]);
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2019-01-05 23:04:32 +01:00
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if (!DBA::isResult($apcontact)) {
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$apcontact = DBA::selectFirst('apcontact', [], ['alias' => $url]);
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2018-09-26 19:24:29 +02:00
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}
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2019-01-05 23:04:32 +01:00
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if (!DBA::isResult($apcontact)) {
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$apcontact = DBA::selectFirst('apcontact', [], ['addr' => $url]);
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2018-09-26 19:24:29 +02:00
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}
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2019-04-25 07:24:53 +02:00
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if (DBA::isResult($apcontact) && ($apcontact['updated'] > $ref_update) && !empty($apcontact['pubkey'])) {
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2018-09-26 19:24:29 +02:00
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return $apcontact;
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}
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if (!is_null($update)) {
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2019-12-11 14:20:38 +01:00
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return DBA::isResult($apcontact) ? $apcontact : [];
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2018-09-26 19:24:29 +02:00
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}
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2019-06-20 05:06:34 +02:00
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if (DBA::isResult($apcontact)) {
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$fetched_contact = $apcontact;
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}
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2018-09-26 19:24:29 +02:00
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}
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if (empty(parse_url($url, PHP_URL_SCHEME))) {
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$url = self::addrToUrl($url);
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if (empty($url)) {
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2019-06-20 05:06:34 +02:00
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return $fetched_contact;
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2018-09-26 19:24:29 +02:00
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}
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}
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$data = ActivityPub::fetchContent($url);
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2018-10-22 09:24:47 +02:00
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if (empty($data)) {
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2019-06-20 05:06:34 +02:00
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return $fetched_contact;
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2018-09-26 19:24:29 +02:00
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}
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2018-10-22 09:24:47 +02:00
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$compacted = JsonLD::compact($data);
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2018-11-02 22:57:06 +01:00
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if (empty($compacted['@id'])) {
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2019-06-20 05:06:34 +02:00
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return $fetched_contact;
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2018-11-02 22:57:06 +01:00
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}
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2018-09-26 19:24:29 +02:00
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$apcontact = [];
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2018-10-22 09:24:47 +02:00
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$apcontact['url'] = $compacted['@id'];
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2019-04-26 08:17:37 +02:00
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$apcontact['uuid'] = JsonLD::fetchElement($compacted, 'diaspora:guid', '@value');
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2018-10-22 09:24:47 +02:00
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$apcontact['type'] = str_replace('as:', '', JsonLD::fetchElement($compacted, '@type'));
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$apcontact['following'] = JsonLD::fetchElement($compacted, 'as:following', '@id');
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$apcontact['followers'] = JsonLD::fetchElement($compacted, 'as:followers', '@id');
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$apcontact['inbox'] = JsonLD::fetchElement($compacted, 'ldp:inbox', '@id');
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2019-03-26 06:14:47 +01:00
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self::unarchiveInbox($apcontact['inbox'], false);
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2019-03-25 23:43:00 +01:00
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2018-10-22 09:24:47 +02:00
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$apcontact['outbox'] = JsonLD::fetchElement($compacted, 'as:outbox', '@id');
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$apcontact['sharedinbox'] = '';
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if (!empty($compacted['as:endpoints'])) {
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$apcontact['sharedinbox'] = JsonLD::fetchElement($compacted['as:endpoints'], 'as:sharedInbox', '@id');
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2019-03-26 06:14:47 +01:00
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self::unarchiveInbox($apcontact['sharedinbox'], true);
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2018-10-22 09:24:47 +02:00
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}
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2019-07-24 21:30:36 +02:00
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$apcontact['nick'] = JsonLD::fetchElement($compacted, 'as:preferredUsername', '@value') ?? '';
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2019-04-24 22:08:43 +02:00
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$apcontact['name'] = JsonLD::fetchElement($compacted, 'as:name', '@value');
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2018-10-22 09:24:47 +02:00
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if (empty($apcontact['name'])) {
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$apcontact['name'] = $apcontact['nick'];
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}
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2019-04-24 22:08:43 +02:00
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$apcontact['about'] = HTML::toBBCode(JsonLD::fetchElement($compacted, 'as:summary', '@value'));
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2018-10-22 09:24:47 +02:00
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$apcontact['photo'] = JsonLD::fetchElement($compacted, 'as:icon', '@id');
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2019-01-13 10:38:01 +01:00
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if (is_array($apcontact['photo']) || !empty($compacted['as:icon']['as:url']['@id'])) {
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2018-10-22 09:24:47 +02:00
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$apcontact['photo'] = JsonLD::fetchElement($compacted['as:icon'], 'as:url', '@id');
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}
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$apcontact['alias'] = JsonLD::fetchElement($compacted, 'as:url', '@id');
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if (is_array($apcontact['alias'])) {
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$apcontact['alias'] = JsonLD::fetchElement($compacted['as:url'], 'as:href', '@id');
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}
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2019-06-11 07:26:16 +02:00
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// Quit if none of the basic values are set
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if (empty($apcontact['url']) || empty($apcontact['inbox']) || empty($apcontact['type'])) {
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2019-06-20 05:06:34 +02:00
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return $fetched_contact;
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2019-06-11 07:26:16 +02:00
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}
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// Quit if this doesn't seem to be an account at all
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if (!in_array($apcontact['type'], ActivityPub::ACCOUNT_TYPES)) {
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2019-06-20 05:06:34 +02:00
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return $fetched_contact;
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2018-10-22 09:24:47 +02:00
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}
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2018-09-26 19:24:29 +02:00
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$parts = parse_url($apcontact['url']);
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unset($parts['scheme']);
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unset($parts['path']);
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2019-07-24 21:30:36 +02:00
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if (!empty($apcontact['nick'])) {
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$apcontact['addr'] = $apcontact['nick'] . '@' . str_replace('//', '', Network::unparseURL($parts));
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} else {
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$apcontact['addr'] = '';
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}
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2018-09-26 19:24:29 +02:00
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2019-12-24 21:37:35 +01:00
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$apcontact['pubkey'] = null;
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2019-04-24 22:08:43 +02:00
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if (!empty($compacted['w3id:publicKey'])) {
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$apcontact['pubkey'] = trim(JsonLD::fetchElement($compacted['w3id:publicKey'], 'w3id:publicKeyPem', '@value'));
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2020-03-25 00:12:53 +01:00
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if (strstr($apcontact['pubkey'], 'RSA ')) {
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$apcontact['pubkey'] = Crypto::rsaToPem($apcontact['pubkey']);
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}
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2019-04-24 22:08:43 +02:00
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}
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2018-09-26 19:24:29 +02:00
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2019-01-14 07:36:08 +01:00
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$apcontact['manually-approve'] = (int)JsonLD::fetchElement($compacted, 'as:manuallyApprovesFollowers');
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2019-01-12 17:09:27 +01:00
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2019-05-02 15:05:31 +02:00
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if (!empty($compacted['as:generator'])) {
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$apcontact['baseurl'] = JsonLD::fetchElement($compacted['as:generator'], 'as:url', '@id');
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$apcontact['generator'] = JsonLD::fetchElement($compacted['as:generator'], 'as:name', '@value');
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}
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2019-12-11 01:05:50 +01:00
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if (!empty($apcontact['following'])) {
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$data = ActivityPub::fetchContent($apcontact['following']);
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if (!empty($data)) {
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if (!empty($data['totalItems'])) {
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$apcontact['following_count'] = $data['totalItems'];
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}
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}
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}
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if (!empty($apcontact['followers'])) {
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$data = ActivityPub::fetchContent($apcontact['followers']);
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if (!empty($data)) {
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if (!empty($data['totalItems'])) {
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$apcontact['followers_count'] = $data['totalItems'];
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}
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}
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}
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if (!empty($apcontact['outbox'])) {
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$data = ActivityPub::fetchContent($apcontact['outbox']);
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if (!empty($data)) {
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if (!empty($data['totalItems'])) {
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$apcontact['statuses_count'] = $data['totalItems'];
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}
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}
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}
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2019-12-11 01:10:25 +01:00
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2018-09-26 19:24:29 +02:00
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// To-Do
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// Unhandled
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2019-05-02 15:05:31 +02:00
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// tag, attachment, image, nomadicLocations, signature, featured, movedTo, liked
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2018-09-26 19:24:29 +02:00
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// Unhandled from Misskey
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// sharedInbox, isCat
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// Unhandled from Kroeg
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// kroeg:blocks, updated
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2020-03-28 16:14:40 +01:00
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// When the photo is too large, try to shorten it by removing parts
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if (strlen($apcontact['photo']) > 255) {
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$parts = parse_url($apcontact['photo']);
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2020-03-28 16:18:12 +01:00
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unset($parts['fragment']);
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2020-03-28 16:14:40 +01:00
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$apcontact['photo'] = Network::unparseURL($parts);
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if (strlen($apcontact['photo']) > 255) {
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2020-03-28 16:18:12 +01:00
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unset($parts['query']);
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2020-03-28 16:14:40 +01:00
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$apcontact['photo'] = Network::unparseURL($parts);
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}
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if (strlen($apcontact['photo']) > 255) {
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$apcontact['photo'] = substr($apcontact['photo'], 0, 255);
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}
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}
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2019-06-18 09:47:21 +02:00
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$parts = parse_url($apcontact['url']);
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unset($parts['path']);
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$baseurl = Network::unparseURL($parts);
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// Check if the address is resolvable or the profile url is identical with the base url of the system
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if (self::addrToUrl($apcontact['addr'], $apcontact['url']) || Strings::compareLink($apcontact['url'], $baseurl)) {
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$apcontact['baseurl'] = $baseurl;
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2018-09-26 19:24:29 +02:00
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|
} else {
|
|
|
|
$apcontact['addr'] = null;
|
2019-05-02 15:05:31 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
if (empty($apcontact['baseurl'])) {
|
2018-09-26 19:24:29 +02:00
|
|
|
$apcontact['baseurl'] = null;
|
|
|
|
}
|
|
|
|
|
2020-05-22 06:19:32 +02:00
|
|
|
if (!empty($apcontact['baseurl'])) {
|
|
|
|
$apcontact['gsid'] = GServer::getID($apcontact['baseurl']);
|
|
|
|
}
|
|
|
|
|
2018-09-26 19:24:29 +02:00
|
|
|
if ($apcontact['url'] == $apcontact['alias']) {
|
|
|
|
$apcontact['alias'] = null;
|
|
|
|
}
|
|
|
|
|
|
|
|
$apcontact['updated'] = DateTimeFormat::utcNow();
|
|
|
|
|
|
|
|
DBA::update('apcontact', $apcontact, ['url' => $url], true);
|
|
|
|
|
2019-06-18 09:47:21 +02:00
|
|
|
// We delete the old entry when the URL is changed
|
|
|
|
if (($url != $apcontact['url']) && DBA::exists('apcontact', ['url' => $url]) && DBA::exists('apcontact', ['url' => $apcontact['url']])) {
|
|
|
|
DBA::delete('apcontact', ['url' => $url]);
|
|
|
|
}
|
|
|
|
|
2018-10-30 14:58:45 +01:00
|
|
|
Logger::log('Updated profile for ' . $url, Logger::DEBUG);
|
2018-09-26 19:24:29 +02:00
|
|
|
|
|
|
|
return $apcontact;
|
|
|
|
}
|
2019-03-25 23:43:00 +01:00
|
|
|
|
|
|
|
/**
|
|
|
|
* Unarchive inboxes
|
|
|
|
*
|
|
|
|
* @param string $url inbox url
|
|
|
|
*/
|
2019-03-26 06:14:47 +01:00
|
|
|
private static function unarchiveInbox($url, $shared)
|
2019-03-25 23:43:00 +01:00
|
|
|
{
|
|
|
|
if (empty($url)) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
$now = DateTimeFormat::utcNow();
|
|
|
|
|
2019-03-26 06:14:47 +01:00
|
|
|
$fields = ['archive' => false, 'success' => $now, 'shared' => $shared];
|
|
|
|
|
2019-03-25 23:43:00 +01:00
|
|
|
if (!DBA::exists('inbox-status', ['url' => $url])) {
|
2019-03-26 06:14:47 +01:00
|
|
|
$fields = array_merge($fields, ['url' => $url, 'created' => $now]);
|
2019-03-25 23:43:00 +01:00
|
|
|
DBA::insert('inbox-status', $fields);
|
|
|
|
} else {
|
|
|
|
DBA::update('inbox-status', $fields, ['url' => $url]);
|
|
|
|
}
|
|
|
|
}
|
2018-09-26 19:24:29 +02:00
|
|
|
}
|