<?php
-
/**
- * @file src/Model/APContact.php
+ * @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/>.
+ *
*/
namespace Friendica\Model;
-use Friendica\BaseObject;
+use Friendica\Content\Text\HTML;
+use Friendica\Core\Logger;
use Friendica\Database\DBA;
+use Friendica\DI;
use Friendica\Protocol\ActivityPub;
use Friendica\Util\Network;
use Friendica\Util\JsonLD;
use Friendica\Util\DateTimeFormat;
-use Friendica\Content\Text\HTML;
+use Friendica\Util\Strings;
-require_once 'boot.php';
-
-class APContact extends BaseObject
+class APContact
{
/**
* Resolves the profile url from the address by using webfinger
*
* @param string $addr profile address (user@domain.tld)
- * @return string url
+ * @param string $url profile URL. When set then we return "true" when this profile url can be found at the address
+ * @return string|boolean url
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
- private static function addrToUrl($addr)
+ private static function addrToUrl($addr, $url = null)
{
$addr_parts = explode('@', $addr);
if (count($addr_parts) != 2) {
return false;
}
+ $xrd_timeout = DI::config()->get('system', 'xrd_timeout');
+
$webfinger = 'https://' . $addr_parts[1] . '/.well-known/webfinger?resource=acct:' . urlencode($addr);
- $ret = Network::curl($webfinger, false, $redirects, ['accept_content' => 'application/jrd+json,application/json']);
- if (!$ret['success'] || empty($ret['body'])) {
- return false;
+ $curlResult = Network::curl($webfinger, false, ['timeout' => $xrd_timeout, 'accept_content' => 'application/jrd+json,application/json']);
+ if (!$curlResult->isSuccess() || empty($curlResult->getBody())) {
+ $webfinger = Strings::normaliseLink($webfinger);
+
+ $curlResult = Network::curl($webfinger, false, ['timeout' => $xrd_timeout, 'accept_content' => 'application/jrd+json,application/json']);
+
+ if (!$curlResult->isSuccess() || empty($curlResult->getBody())) {
+ return false;
+ }
}
- $data = json_decode($ret['body'], true);
+ $data = json_decode($curlResult->getBody(), true);
if (empty($data['links'])) {
return false;
}
foreach ($data['links'] as $link) {
+ if (!empty($url) && !empty($link['href']) && ($link['href'] == $url)) {
+ return true;
+ }
+
if (empty($link['href']) || empty($link['rel']) || empty($link['type'])) {
continue;
}
- if (($link['rel'] == 'self') && ($link['type'] == 'application/activity+json')) {
+ if (empty($url) && ($link['rel'] == 'self') && ($link['type'] == 'application/activity+json')) {
return $link['href'];
}
}
* Fetches a profile from a given url
*
* @param string $url profile url
- * @param boolean $update true = always update, false = never update, null = update when not found
+ * @param boolean $update true = always update, false = never update, null = update when not found or outdated
* @return array profile array
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ * @throws \ImagickException
*/
public static function getByURL($url, $update = null)
{
if (empty($url)) {
- return false;
+ return [];
}
+ $fetched_contact = false;
+
if (empty($update)) {
+ if (is_null($update)) {
+ $ref_update = DateTimeFormat::utc('now - 1 month');
+ } else {
+ $ref_update = DBA::NULL_DATETIME;
+ }
+
$apcontact = DBA::selectFirst('apcontact', [], ['url' => $url]);
- if (DBA::isResult($apcontact)) {
- return $apcontact;
+ if (!DBA::isResult($apcontact)) {
+ $apcontact = DBA::selectFirst('apcontact', [], ['alias' => $url]);
}
- $apcontact = DBA::selectFirst('apcontact', [], ['alias' => $url]);
- if (DBA::isResult($apcontact)) {
- return $apcontact;
+ if (!DBA::isResult($apcontact)) {
+ $apcontact = DBA::selectFirst('apcontact', [], ['addr' => $url]);
}
- $apcontact = DBA::selectFirst('apcontact', [], ['addr' => $url]);
- if (DBA::isResult($apcontact)) {
+ if (DBA::isResult($apcontact) && ($apcontact['updated'] > $ref_update) && !empty($apcontact['pubkey'])) {
return $apcontact;
}
if (!is_null($update)) {
- return false;
+ return DBA::isResult($apcontact) ? $apcontact : [];
+ }
+
+ if (DBA::isResult($apcontact)) {
+ $fetched_contact = $apcontact;
}
}
if (empty(parse_url($url, PHP_URL_SCHEME))) {
$url = self::addrToUrl($url);
if (empty($url)) {
- return false;
+ return $fetched_contact;
}
}
$data = ActivityPub::fetchContent($url);
+ if (empty($data)) {
+ return $fetched_contact;
+ }
- if (empty($data) || empty($data['id']) || empty($data['inbox'])) {
- return false;
+ $compacted = JsonLD::compact($data);
+
+ if (empty($compacted['@id'])) {
+ return $fetched_contact;
}
$apcontact = [];
- $apcontact['url'] = $data['id'];
- $apcontact['uuid'] = defaults($data, 'diaspora:guid', null);
- $apcontact['type'] = defaults($data, 'type', null);
- $apcontact['following'] = defaults($data, 'following', null);
- $apcontact['followers'] = defaults($data, 'followers', null);
- $apcontact['inbox'] = defaults($data, 'inbox', null);
- $apcontact['outbox'] = defaults($data, 'outbox', null);
- $apcontact['sharedinbox'] = JsonLD::fetchElement($data, 'endpoints', 'sharedInbox');
- $apcontact['nick'] = defaults($data, 'preferredUsername', null);
- $apcontact['name'] = defaults($data, 'name', $apcontact['nick']);
- $apcontact['about'] = HTML::toBBCode(defaults($data, 'summary', ''));
- $apcontact['photo'] = JsonLD::fetchElement($data, 'icon', 'url');
- $apcontact['alias'] = JsonLD::fetchElement($data, 'url', 'href');
+ $apcontact['url'] = $compacted['@id'];
+ $apcontact['uuid'] = JsonLD::fetchElement($compacted, 'diaspora:guid', '@value');
+ $apcontact['type'] = str_replace('as:', '', JsonLD::fetchElement($compacted, '@type'));
+ $apcontact['following'] = JsonLD::fetchElement($compacted, 'as:following', '@id');
+ $apcontact['followers'] = JsonLD::fetchElement($compacted, 'as:followers', '@id');
+ $apcontact['inbox'] = JsonLD::fetchElement($compacted, 'ldp:inbox', '@id');
+ self::unarchiveInbox($apcontact['inbox'], false);
+
+ $apcontact['outbox'] = JsonLD::fetchElement($compacted, 'as:outbox', '@id');
+
+ $apcontact['sharedinbox'] = '';
+ if (!empty($compacted['as:endpoints'])) {
+ $apcontact['sharedinbox'] = JsonLD::fetchElement($compacted['as:endpoints'], 'as:sharedInbox', '@id');
+ self::unarchiveInbox($apcontact['sharedinbox'], true);
+ }
+
+ $apcontact['nick'] = JsonLD::fetchElement($compacted, 'as:preferredUsername', '@value') ?? '';
+ $apcontact['name'] = JsonLD::fetchElement($compacted, 'as:name', '@value');
+
+ if (empty($apcontact['name'])) {
+ $apcontact['name'] = $apcontact['nick'];
+ }
+
+ $apcontact['about'] = HTML::toBBCode(JsonLD::fetchElement($compacted, 'as:summary', '@value'));
+
+ $apcontact['photo'] = JsonLD::fetchElement($compacted, 'as:icon', '@id');
+ if (is_array($apcontact['photo']) || !empty($compacted['as:icon']['as:url']['@id'])) {
+ $apcontact['photo'] = JsonLD::fetchElement($compacted['as:icon'], 'as:url', '@id');
+ }
+
+ $apcontact['alias'] = JsonLD::fetchElement($compacted, 'as:url', '@id');
+ if (is_array($apcontact['alias'])) {
+ $apcontact['alias'] = JsonLD::fetchElement($compacted['as:url'], 'as:href', '@id');
+ }
+
+ // Quit if none of the basic values are set
+ if (empty($apcontact['url']) || empty($apcontact['inbox']) || empty($apcontact['type'])) {
+ return $fetched_contact;
+ }
+
+ // Quit if this doesn't seem to be an account at all
+ if (!in_array($apcontact['type'], ActivityPub::ACCOUNT_TYPES)) {
+ return $fetched_contact;
+ }
$parts = parse_url($apcontact['url']);
unset($parts['scheme']);
unset($parts['path']);
- $apcontact['addr'] = $apcontact['nick'] . '@' . str_replace('//', '', Network::unparseURL($parts));
- $apcontact['pubkey'] = trim(JsonLD::fetchElement($data, 'publicKey', 'publicKeyPem'));
+ if (!empty($apcontact['nick'])) {
+ $apcontact['addr'] = $apcontact['nick'] . '@' . str_replace('//', '', Network::unparseURL($parts));
+ } else {
+ $apcontact['addr'] = '';
+ }
+
+ $apcontact['pubkey'] = null;
+ if (!empty($compacted['w3id:publicKey'])) {
+ $apcontact['pubkey'] = trim(JsonLD::fetchElement($compacted['w3id:publicKey'], 'w3id:publicKeyPem', '@value'));
+ }
+
+ $apcontact['manually-approve'] = (int)JsonLD::fetchElement($compacted, 'as:manuallyApprovesFollowers');
+
+ if (!empty($compacted['as:generator'])) {
+ $apcontact['baseurl'] = JsonLD::fetchElement($compacted['as:generator'], 'as:url', '@id');
+ $apcontact['generator'] = JsonLD::fetchElement($compacted['as:generator'], 'as:name', '@value');
+ }
+
+ if (!empty($apcontact['following'])) {
+ $data = ActivityPub::fetchContent($apcontact['following']);
+ if (!empty($data)) {
+ if (!empty($data['totalItems'])) {
+ $apcontact['following_count'] = $data['totalItems'];
+ }
+ }
+ }
+
+ if (!empty($apcontact['followers'])) {
+ $data = ActivityPub::fetchContent($apcontact['followers']);
+ if (!empty($data)) {
+ if (!empty($data['totalItems'])) {
+ $apcontact['followers_count'] = $data['totalItems'];
+ }
+ }
+ }
+
+ if (!empty($apcontact['outbox'])) {
+ $data = ActivityPub::fetchContent($apcontact['outbox']);
+ if (!empty($data)) {
+ if (!empty($data['totalItems'])) {
+ $apcontact['statuses_count'] = $data['totalItems'];
+ }
+ }
+ }
// To-Do
- // manuallyApprovesFollowers
// Unhandled
- // @context, tag, attachment, image, nomadicLocations, signature, following, followers, featured, movedTo, liked
+ // tag, attachment, image, nomadicLocations, signature, featured, movedTo, liked
// Unhandled from Misskey
// sharedInbox, isCat
// Unhandled from Kroeg
// kroeg:blocks, updated
- // Check if the address is resolvable
- if (self::addrToUrl($apcontact['addr']) == $apcontact['url']) {
- $parts = parse_url($apcontact['url']);
- unset($parts['path']);
- $apcontact['baseurl'] = Network::unparseURL($parts);
+ $parts = parse_url($apcontact['url']);
+ unset($parts['path']);
+ $baseurl = Network::unparseURL($parts);
+
+ // Check if the address is resolvable or the profile url is identical with the base url of the system
+ if (self::addrToUrl($apcontact['addr'], $apcontact['url']) || Strings::compareLink($apcontact['url'], $baseurl)) {
+ $apcontact['baseurl'] = $baseurl;
} else {
$apcontact['addr'] = null;
+ }
+
+ if (empty($apcontact['baseurl'])) {
$apcontact['baseurl'] = null;
}
DBA::update('apcontact', $apcontact, ['url' => $url], true);
- // Update some data in the contact table with various ways to catch them all
- $contact_fields = ['name' => $apcontact['name'], 'about' => $apcontact['about']];
- DBA::update('contact', $contact_fields, ['nurl' => normalise_link($url)]);
+ // 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]);
+ }
+
+ Logger::log('Updated profile for ' . $url, Logger::DEBUG);
- $contacts = DBA::select('contact', ['uid', 'id'], ['nurl' => normalise_link($url)]);
- while ($contact = DBA::fetch($contacts)) {
- Contact::updateAvatar($apcontact['photo'], $contact['uid'], $contact['id']);
+ return $apcontact;
+ }
+
+ /**
+ * Unarchive inboxes
+ *
+ * @param string $url inbox url
+ */
+ private static function unarchiveInbox($url, $shared)
+ {
+ if (empty($url)) {
+ return;
}
- DBA::close($contacts);
- // Update the gcontact table
- DBA::update('gcontact', $contact_fields, ['nurl' => normalise_link($url)]);
+ $now = DateTimeFormat::utcNow();
- logger('Updated profile for ' . $url, LOGGER_DEBUG);
+ $fields = ['archive' => false, 'success' => $now, 'shared' => $shared];
- return $apcontact;
+ if (!DBA::exists('inbox-status', ['url' => $url])) {
+ $fields = array_merge($fields, ['url' => $url, 'created' => $now]);
+ DBA::insert('inbox-status', $fields);
+ } else {
+ DBA::update('inbox-status', $fields, ['url' => $url]);
+ }
}
}