3 * @copyright Copyright (C) 2020, Friendica
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Model;
27 use Friendica\Core\Logger;
28 use Friendica\Core\Protocol;
29 use Friendica\Core\System;
30 use Friendica\Core\Search;
31 use Friendica\Core\Worker;
32 use Friendica\Database\DBA;
34 use Friendica\Network\Probe;
35 use Friendica\Protocol\ActivityPub;
36 use Friendica\Protocol\PortableContact;
37 use Friendica\Util\DateTimeFormat;
38 use Friendica\Util\Network;
39 use Friendica\Util\Strings;
42 * This class handles GlobalContact related functions
47 * No discovery of followers/followings
49 const DISCOVERY_NONE = 0;
51 * Only discover followers/followings from direct contacts
53 const DISCOVERY_DIRECT = 1;
55 * Recursive discovery of followers/followings
57 const DISCOVERY_RECURSIVE = 2;
60 * Search global contact table by nick or name
62 * @param string $search Name or nick
63 * @param string $mode Search mode (e.g. "community")
65 * @return array with search results
66 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
68 public static function searchByName($search, $mode = '')
74 // check supported networks
75 if (DI::config()->get('system', 'diaspora_enabled')) {
76 $diaspora = Protocol::DIASPORA;
78 $diaspora = Protocol::DFRN;
81 if (!DI::config()->get('system', 'ostatus_disabled')) {
82 $ostatus = Protocol::OSTATUS;
84 $ostatus = Protocol::DFRN;
87 // check if we search only communities or every contact
88 if ($mode === 'community') {
89 $extra_sql = ' AND `community`';
96 $results = DBA::p("SELECT `nurl` FROM `gcontact`
97 WHERE NOT `hide` AND `network` IN (?, ?, ?, ?) AND
98 ((`last_contact` >= `last_failure`) OR (`updated` >= `last_failure`)) AND
99 (`addr` LIKE ? OR `name` LIKE ? OR `nick` LIKE ?) $extra_sql
100 GROUP BY `nurl` ORDER BY `nurl` DESC LIMIT 1000",
101 Protocol::DFRN, Protocol::ACTIVITYPUB, $ostatus, $diaspora, $search, $search, $search
105 while ($result = DBA::fetch($results)) {
106 $urlparts = parse_url($result['nurl']);
108 // Ignore results that look strange.
109 // For historic reasons the gcontact table does contain some garbage.
110 if (!empty($urlparts['query']) || !empty($urlparts['fragment'])) {
114 $gcontacts[] = Contact::getDetailsByURL($result['nurl'], local_user());
120 * Link the gcontact entry with user, contact and global contact
122 * @param integer $gcid Global contact ID
123 * @param integer $uid User ID
124 * @param integer $cid Contact ID
125 * @param integer $zcid Global Contact ID
129 public static function link($gcid, $uid = 0, $cid = 0, $zcid = 0)
135 $condition = ['cid' => $cid, 'uid' => $uid, 'gcid' => $gcid, 'zcid' => $zcid];
136 DBA::update('glink', ['updated' => DateTimeFormat::utcNow()], $condition, true);
140 * Sanitize the given gcontact data
144 * 1: Profiles on this server
145 * 2: Contacts of profiles on this server
146 * 3: Contacts of contacts of profiles on this server
149 * @param array $gcontact array with gcontact data
150 * @return array $gcontact
153 public static function sanitize($gcontact)
155 if (empty($gcontact['url'])) {
156 throw new Exception('URL is empty');
159 $gcontact['server_url'] = $gcontact['server_url'] ?? '';
161 $urlparts = parse_url($gcontact['url']);
162 if (empty($urlparts['scheme'])) {
163 throw new Exception('This (' . $gcontact['url'] . ") doesn't seem to be an url.");
166 if (in_array($urlparts['host'], ['twitter.com', 'identi.ca'])) {
167 throw new Exception('Contact from a non federated network ignored. (' . $gcontact['url'] . ')');
170 // Don't store the statusnet connector as network
171 // We can't simply set this to Protocol::OSTATUS since the connector could have fetched posts from friendica as well
172 if ($gcontact['network'] == Protocol::STATUSNET) {
173 $gcontact['network'] = '';
176 // Assure that there are no parameter fragments in the profile url
177 if (empty($gcontact['*network']) || in_array($gcontact['network'], Protocol::FEDERATED)) {
178 $gcontact['url'] = self::cleanContactUrl($gcontact['url']);
181 // The global contacts should contain the original picture, not the cached one
182 if (($gcontact['generation'] != 1) && stristr(Strings::normaliseLink($gcontact['photo']), Strings::normaliseLink(DI::baseUrl() . '/photo/'))) {
183 $gcontact['photo'] = '';
186 if (empty($gcontact['network'])) {
187 $gcontact['network'] = '';
189 $condition = ["`uid` = 0 AND `nurl` = ? AND `network` != '' AND `network` != ?",
190 Strings::normaliseLink($gcontact['url']), Protocol::STATUSNET];
191 $contact = DBA::selectFirst('contact', ['network'], $condition);
192 if (DBA::isResult($contact)) {
193 $gcontact['network'] = $contact['network'];
196 if (($gcontact['network'] == '') || ($gcontact['network'] == Protocol::OSTATUS)) {
197 $condition = ["`uid` = 0 AND `alias` IN (?, ?) AND `network` != '' AND `network` != ?",
198 $gcontact['url'], Strings::normaliseLink($gcontact['url']), Protocol::STATUSNET];
199 $contact = DBA::selectFirst('contact', ['network'], $condition);
200 if (DBA::isResult($contact)) {
201 $gcontact['network'] = $contact['network'];
206 $fields = ['network', 'updated', 'server_url', 'url', 'addr'];
207 $gcnt = DBA::selectFirst('gcontact', $fields, ['nurl' => Strings::normaliseLink($gcontact['url'])]);
208 if (DBA::isResult($gcnt)) {
209 if (!isset($gcontact['network']) && ($gcnt['network'] != Protocol::STATUSNET)) {
210 $gcontact['network'] = $gcnt['network'];
212 if ($gcontact['updated'] <= DBA::NULL_DATETIME) {
213 $gcontact['updated'] = $gcnt['updated'];
215 if (!isset($gcontact['server_url']) && (Strings::normaliseLink($gcnt['server_url']) != Strings::normaliseLink($gcnt['url']))) {
216 $gcontact['server_url'] = $gcnt['server_url'];
218 if (!isset($gcontact['addr'])) {
219 $gcontact['addr'] = $gcnt['addr'];
223 if ((!isset($gcontact['network']) || !isset($gcontact['name']) || !isset($gcontact['addr']) || !isset($gcontact['photo']) || !isset($gcontact['server_url']))
224 && GServer::reachable($gcontact['url'], $gcontact['server_url'], $gcontact['network'], false)
226 $data = Probe::uri($gcontact['url']);
228 if ($data['network'] == Protocol::PHANTOM) {
229 throw new Exception('Probing for URL ' . $gcontact['url'] . ' failed');
232 $orig_profile = $gcontact['url'];
234 $gcontact['server_url'] = $data['baseurl'];
236 $gcontact = array_merge($gcontact, $data);
239 if (!isset($gcontact['name']) || !isset($gcontact['photo'])) {
240 throw new Exception('No name and photo for URL '.$gcontact['url']);
243 if (!in_array($gcontact['network'], Protocol::FEDERATED)) {
244 throw new Exception('No federated network (' . $gcontact['network'] . ') detected for URL ' . $gcontact['url']);
247 if (empty($gcontact['server_url'])) {
248 // We check the server url to be sure that it is a real one
249 $server_url = self::getBasepath($gcontact['url']);
251 // We are now sure that it is a correct URL. So we use it in the future
252 if ($server_url != '') {
253 $gcontact['server_url'] = $server_url;
257 // The server URL doesn't seem to be valid, so we don't store it.
258 if (!GServer::check($gcontact['server_url'], $gcontact['network'])) {
259 $gcontact['server_url'] = '';
266 * @param integer $uid id
267 * @param integer $cid id
271 public static function countCommonFriends($uid, $cid)
274 "SELECT count(*) as `total`
275 FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
276 WHERE `glink`.`cid` = %d AND `glink`.`uid` = %d AND
277 ((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR
278 (`gcontact`.`updated` >= `gcontact`.`last_failure`))
279 AND `gcontact`.`nurl` IN (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 and id != %d) ",
286 if (DBA::isResult($r)) {
287 return $r[0]['total'];
293 * @param integer $uid id
294 * @param integer $zcid zcid
298 public static function countCommonFriendsZcid($uid, $zcid)
301 "SELECT count(*) as `total`
302 FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
303 where `glink`.`zcid` = %d
304 and `gcontact`.`nurl` in (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0) ",
309 if (DBA::isResult($r)) {
310 return $r[0]['total'];
317 * @param integer $uid user
318 * @param integer $cid cid
319 * @param integer $start optional, default 0
320 * @param integer $limit optional, default 9999
321 * @param boolean $shuffle optional, default false
325 public static function commonFriends($uid, $cid, $start = 0, $limit = 9999, $shuffle = false)
328 $sql_extra = " order by rand() ";
330 $sql_extra = " order by `gcontact`.`name` asc ";
334 "SELECT `gcontact`.*, `contact`.`id` AS `cid`
336 INNER JOIN `gcontact` ON `glink`.`gcid` = `gcontact`.`id`
337 INNER JOIN `contact` ON `gcontact`.`nurl` = `contact`.`nurl`
338 WHERE `glink`.`cid` = %d and `glink`.`uid` = %d
339 AND `contact`.`uid` = %d AND `contact`.`self` = 0 AND `contact`.`blocked` = 0
340 AND `contact`.`hidden` = 0 AND `contact`.`id` != %d
341 AND ((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`))
342 $sql_extra LIMIT %d, %d",
351 /// @TODO Check all calling-findings of this function if they properly use DBA::isResult()
356 * @param integer $uid user
357 * @param integer $zcid zcid
358 * @param integer $start optional, default 0
359 * @param integer $limit optional, default 9999
360 * @param boolean $shuffle optional, default false
364 public static function commonFriendsZcid($uid, $zcid, $start = 0, $limit = 9999, $shuffle = false)
367 $sql_extra = " order by rand() ";
369 $sql_extra = " order by `gcontact`.`name` asc ";
374 FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
375 where `glink`.`zcid` = %d
376 and `gcontact`.`nurl` in (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0)
377 $sql_extra limit %d, %d",
384 /// @TODO Check all calling-findings of this function if they properly use DBA::isResult()
389 * @param integer $uid user
390 * @param integer $cid cid
394 public static function countAllFriends($uid, $cid)
397 "SELECT count(*) as `total`
398 FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
399 where `glink`.`cid` = %d and `glink`.`uid` = %d AND
400 ((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`))",
405 if (DBA::isResult($r)) {
406 return $r[0]['total'];
413 * @param integer $uid user
414 * @param integer $cid cid
415 * @param integer $start optional, default 0
416 * @param integer $limit optional, default 80
420 public static function allFriends($uid, $cid, $start = 0, $limit = 80)
423 "SELECT `gcontact`.*, `contact`.`id` AS `cid`
425 INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
426 LEFT JOIN `contact` ON `contact`.`nurl` = `gcontact`.`nurl` AND `contact`.`uid` = %d
427 WHERE `glink`.`cid` = %d AND `glink`.`uid` = %d AND
428 ((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`))
429 ORDER BY `gcontact`.`name` ASC LIMIT %d, %d ",
437 /// @TODO Check all calling-findings of this function if they properly use DBA::isResult()
442 * @param int $uid user
443 * @param integer $start optional, default 0
444 * @param integer $limit optional, default 80
446 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
448 public static function suggestionQuery($uid, $start = 0, $limit = 80)
454 $network = [Protocol::DFRN, Protocol::ACTIVITYPUB];
456 if (DI::config()->get('system', 'diaspora_enabled')) {
457 $network[] = Protocol::DIASPORA;
460 if (!DI::config()->get('system', 'ostatus_disabled')) {
461 $network[] = Protocol::OSTATUS;
464 $sql_network = "'" . implode("', '", $network) . "'";
466 /// @todo This query is really slow
467 // By now we cache the data for five minutes
469 "SELECT count(glink.gcid) as `total`, gcontact.* from gcontact
470 INNER JOIN `glink` ON `glink`.`gcid` = `gcontact`.`id`
471 where uid = %d and not gcontact.nurl in ( select nurl from contact where uid = %d )
472 AND NOT `gcontact`.`name` IN (SELECT `name` FROM `contact` WHERE `uid` = %d)
473 AND NOT `gcontact`.`id` IN (SELECT `gcid` FROM `gcign` WHERE `uid` = %d)
474 AND `gcontact`.`updated` >= '%s' AND NOT `gcontact`.`hide`
475 AND `gcontact`.`last_contact` >= `gcontact`.`last_failure`
476 AND `gcontact`.`network` IN (%s)
477 GROUP BY `glink`.`gcid` ORDER BY `gcontact`.`updated` DESC,`total` DESC LIMIT %d, %d",
488 if (DBA::isResult($r) && count($r) >= ($limit -1)) {
493 "SELECT gcontact.* FROM gcontact
494 INNER JOIN `glink` ON `glink`.`gcid` = `gcontact`.`id`
495 WHERE `glink`.`uid` = 0 AND `glink`.`cid` = 0 AND `glink`.`zcid` = 0 AND NOT `gcontact`.`nurl` IN (SELECT `nurl` FROM `contact` WHERE `uid` = %d)
496 AND NOT `gcontact`.`name` IN (SELECT `name` FROM `contact` WHERE `uid` = %d)
497 AND NOT `gcontact`.`id` IN (SELECT `gcid` FROM `gcign` WHERE `uid` = %d)
498 AND `gcontact`.`updated` >= '%s'
499 AND `gcontact`.`last_contact` >= `gcontact`.`last_failure`
500 AND `gcontact`.`network` IN (%s)
501 ORDER BY rand() LIMIT %d, %d",
512 foreach ($r2 as $suggestion) {
513 $list[$suggestion['nurl']] = $suggestion;
516 foreach ($r as $suggestion) {
517 $list[$suggestion['nurl']] = $suggestion;
520 while (sizeof($list) > ($limit)) {
529 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
531 public static function updateSuggestions()
535 /// @TODO Check if it is really neccessary to poll the own server
536 PortableContact::loadWorker(0, 0, 0, DI::baseUrl() . '/poco');
538 $done[] = DI::baseUrl() . '/poco';
540 if (strlen(DI::config()->get('system', 'directory'))) {
541 $x = Network::fetchUrl(Search::getGlobalDirectory() . '/pubsites');
543 $j = json_decode($x);
544 if (!empty($j->entries)) {
545 foreach ($j->entries as $entry) {
546 GServer::check($entry->url);
548 $url = $entry->url . '/poco';
549 if (!in_array($url, $done)) {
550 PortableContact::loadWorker(0, 0, 0, $url);
558 // Query your contacts from Friendica and Redmatrix/Hubzilla for their contacts
559 $contacts = DBA::p("SELECT DISTINCT(`poco`) AS `poco` FROM `contact` WHERE `network` IN (?, ?)", Protocol::DFRN, Protocol::DIASPORA);
560 while ($contact = DBA::fetch($contacts)) {
561 $base = substr($contact['poco'], 0, strrpos($contact['poco'], '/'));
562 if (!in_array($base, $done)) {
563 PortableContact::loadWorker(0, 0, 0, $base);
569 * Removes unwanted parts from a contact url
571 * @param string $url Contact url
573 * @return string Contact url with the wanted parts
576 public static function cleanContactUrl($url)
578 $parts = parse_url($url);
580 if (empty($parts['scheme']) || empty($parts['host'])) {
584 $new_url = $parts['scheme'] . '://' . $parts['host'];
586 if (!empty($parts['port'])) {
587 $new_url .= ':' . $parts['port'];
590 if (!empty($parts['path'])) {
591 $new_url .= $parts['path'];
594 if ($new_url != $url) {
595 Logger::info('Cleaned contact url', ['url' => $url, 'new_url' => $new_url, 'callstack' => System::callstack()]);
602 * Fetch the gcontact id, add an entry if not existed
604 * @param array $contact contact array
606 * @return bool|int Returns false if not found, integer if contact was found
607 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
608 * @throws \ImagickException
610 public static function getId($contact)
614 if (empty($contact['network'])) {
615 Logger::notice('Empty network', ['url' => $contact['url'], 'callstack' => System::callstack()]);
619 if (in_array($contact['network'], [Protocol::PHANTOM])) {
620 Logger::notice('Invalid network', ['url' => $contact['url'], 'callstack' => System::callstack()]);
624 if ($contact['network'] == Protocol::STATUSNET) {
625 $contact['network'] = Protocol::OSTATUS;
628 // All new contacts are hidden by default
629 if (!isset($contact['hide'])) {
630 $contact['hide'] = true;
633 // Remove unwanted parts from the contact url (e.g. '?zrl=...')
634 if (in_array($contact['network'], Protocol::FEDERATED)) {
635 $contact['url'] = self::cleanContactUrl($contact['url']);
638 DBA::lock('gcontact');
639 $fields = ['id', 'last_contact', 'last_failure', 'network'];
640 $gcnt = DBA::selectFirst('gcontact', $fields, ['nurl' => Strings::normaliseLink($contact['url'])]);
641 if (DBA::isResult($gcnt)) {
642 $gcontact_id = $gcnt['id'];
644 $contact['location'] = $contact['location'] ?? '';
645 $contact['about'] = $contact['about'] ?? '';
646 $contact['generation'] = $contact['generation'] ?? 0;
648 $fields = ['name' => $contact['name'], 'nick' => $contact['nick'] ?? '', 'addr' => $contact['addr'] ?? '', 'network' => $contact['network'],
649 'url' => $contact['url'], 'nurl' => Strings::normaliseLink($contact['url']), 'photo' => $contact['photo'],
650 'created' => DateTimeFormat::utcNow(), 'updated' => DateTimeFormat::utcNow(), 'location' => $contact['location'],
651 'about' => $contact['about'], 'hide' => $contact['hide'], 'generation' => $contact['generation']];
653 DBA::insert('gcontact', $fields);
655 $condition = ['nurl' => Strings::normaliseLink($contact['url'])];
656 $cnt = DBA::selectFirst('gcontact', ['id', 'network'], $condition, ['order' => ['id']]);
657 if (DBA::isResult($cnt)) {
658 $gcontact_id = $cnt['id'];
667 * Updates the gcontact table from a given array
669 * @param array $contact contact array
671 * @return bool|int Returns false if not found, integer if contact was found
672 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
673 * @throws \ImagickException
675 public static function update($contact)
677 // Check for invalid "contact-type" value
678 if (isset($contact['contact-type']) && (intval($contact['contact-type']) < 0)) {
679 $contact['contact-type'] = 0;
682 /// @todo update contact table as well
684 $gcontact_id = self::getId($contact);
690 $public_contact = DBA::selectFirst('gcontact', [
691 'name', 'nick', 'photo', 'location', 'about', 'addr', 'generation', 'birthday', 'keywords',
692 'contact-type', 'hide', 'nsfw', 'network', 'alias', 'notify', 'server_url', 'connect', 'updated', 'url'
693 ], ['id' => $gcontact_id]);
695 if (!DBA::isResult($public_contact)) {
699 // Get all field names
701 foreach ($public_contact as $field => $data) {
702 $fields[$field] = $data;
705 unset($fields['url']);
706 unset($fields['updated']);
707 unset($fields['hide']);
709 // Bugfix: We had an error in the storing of keywords which lead to the "0"
710 // This value is still transmitted via poco.
711 if (isset($contact['keywords']) && ($contact['keywords'] == '0')) {
712 unset($contact['keywords']);
715 if (isset($public_contact['keywords']) && ($public_contact['keywords'] == '0')) {
716 $public_contact['keywords'] = '';
719 // assign all unassigned fields from the database entry
720 foreach ($fields as $field => $data) {
721 if (empty($contact[$field])) {
722 $contact[$field] = $public_contact[$field];
726 if (!isset($contact['hide'])) {
727 $contact['hide'] = $public_contact['hide'];
730 $fields['hide'] = $public_contact['hide'];
732 if ($contact['network'] == Protocol::STATUSNET) {
733 $contact['network'] = Protocol::OSTATUS;
736 if (!isset($contact['updated'])) {
737 $contact['updated'] = DateTimeFormat::utcNow();
740 if ($contact['network'] == Protocol::TWITTER) {
741 $contact['server_url'] = 'http://twitter.com';
744 if (empty($contact['server_url'])) {
745 $data = Probe::uri($contact['url']);
746 if ($data['network'] != Protocol::PHANTOM) {
747 $contact['server_url'] = $data['baseurl'];
750 $contact['server_url'] = Strings::normaliseLink($contact['server_url']);
753 if (empty($contact['addr']) && !empty($contact['server_url']) && !empty($contact['nick'])) {
754 $hostname = str_replace('http://', '', $contact['server_url']);
755 $contact['addr'] = $contact['nick'] . '@' . $hostname;
758 // Check if any field changed
760 unset($fields['generation']);
762 if ((($contact['generation'] > 0) && ($contact['generation'] <= $public_contact['generation'])) || ($public_contact['generation'] == 0)) {
763 foreach ($fields as $field => $data) {
764 if ($contact[$field] != $public_contact[$field]) {
765 Logger::debug('Difference found.', ['contact' => $contact['url'], 'field' => $field, 'new' => $contact[$field], 'old' => $public_contact[$field]]);
770 if ($contact['generation'] < $public_contact['generation']) {
771 Logger::debug('Difference found.', ['contact' => $contact['url'], 'field' => 'generation', 'new' => $contact['generation'], 'old' => $public_contact['generation']]);
777 Logger::debug('Update gcontact.', ['contact' => $contact['url']]);
778 $condition = ["`nurl` = ? AND (`generation` = 0 OR `generation` >= ?)",
779 Strings::normaliseLink($contact['url']), $contact['generation']];
780 $contact['updated'] = DateTimeFormat::utc($contact['updated']);
783 'photo' => $contact['photo'], 'name' => $contact['name'],
784 'nick' => $contact['nick'], 'addr' => $contact['addr'],
785 'network' => $contact['network'], 'birthday' => $contact['birthday'],
786 'keywords' => $contact['keywords'],
787 'hide' => $contact['hide'], 'nsfw' => $contact['nsfw'],
788 'contact-type' => $contact['contact-type'], 'alias' => $contact['alias'],
789 'notify' => $contact['notify'], 'url' => $contact['url'],
790 'location' => $contact['location'], 'about' => $contact['about'],
791 'generation' => $contact['generation'], 'updated' => $contact['updated'],
792 'server_url' => $contact['server_url'], 'connect' => $contact['connect']
795 DBA::update('gcontact', $updated, $condition, $fields);
802 * Set the last date that the contact had posted something
804 * @param string $data Probing result
805 * @param bool $force force updating
807 public static function setLastUpdate(array $data, bool $force = false)
809 // Fetch the global contact
810 $gcontact = DBA::selectFirst('gcontact', ['created', 'updated', 'last_contact', 'last_failure'],
811 ['nurl' => Strings::normaliseLink($data['url'])]);
812 if (!DBA::isResult($gcontact)) {
816 if (!$force && !GServer::updateNeeded($gcontact['created'], $gcontact['updated'], $gcontact['last_failure'], $gcontact['last_contact'])) {
817 Logger::info("Don't update profile", ['url' => $data['url'], 'updated' => $gcontact['updated']]);
821 if (self::updateFromNoScrape($data)) {
825 if (!empty($data['outbox'])) {
826 self::updateFromOutbox($data['outbox'], $data);
827 } elseif (!empty($data['poll']) && ($data['network'] == Protocol::ACTIVITYPUB)) {
828 self::updateFromOutbox($data['poll'], $data);
829 } elseif (!empty($data['poll'])) {
830 self::updateFromFeed($data);
835 * Update a global contact via the "noscrape" endpoint
837 * @param string $data Probing result
839 * @return bool 'true' if update was successful or the server was unreachable
841 private static function updateFromNoScrape(array $data)
843 // Check the 'noscrape' endpoint when it is a Friendica server
844 $gserver = DBA::selectFirst('gserver', ['noscrape'], ["`nurl` = ? AND `noscrape` != ''",
845 Strings::normaliseLink($data['baseurl'])]);
846 if (!DBA::isResult($gserver)) {
850 $curlResult = Network::curl($gserver['noscrape'] . '/' . $data['nick']);
852 if ($curlResult->isSuccess() && !empty($curlResult->getBody())) {
853 $noscrape = json_decode($curlResult->getBody(), true);
854 if (!empty($noscrape) && !empty($noscrape['updated'])) {
855 $noscrape['updated'] = DateTimeFormat::utc($noscrape['updated'], DateTimeFormat::MYSQL);
856 $fields = ['last_contact' => DateTimeFormat::utcNow(), 'updated' => $noscrape['updated']];
857 DBA::update('gcontact', $fields, ['nurl' => Strings::normaliseLink($data['url'])]);
860 } elseif ($curlResult->isTimeout()) {
861 // On a timeout return the existing value, but mark the contact as failure
862 $fields = ['last_failure' => DateTimeFormat::utcNow()];
863 DBA::update('gcontact', $fields, ['nurl' => Strings::normaliseLink($data['url'])]);
870 * Update a global contact via an ActivityPub Outbox
872 * @param string $feed
873 * @param array $data Probing result
874 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
876 private static function updateFromOutbox(string $feed, array $data)
878 $outbox = ActivityPub::fetchContent($feed);
879 if (empty($outbox)) {
883 if (!empty($outbox['orderedItems'])) {
884 $items = $outbox['orderedItems'];
885 } elseif (!empty($outbox['first']['orderedItems'])) {
886 $items = $outbox['first']['orderedItems'];
887 } elseif (!empty($outbox['first']['href'])) {
888 self::updateFromOutbox($outbox['first']['href'], $data);
890 } elseif (!empty($outbox['first'])) {
891 if (is_string($outbox['first'])) {
892 self::updateFromOutbox($outbox['first'], $data);
894 Logger::warning('Unexpected data', ['outbox' => $outbox]);
902 foreach ($items as $activity) {
903 if (!empty($activity['published'])) {
904 $published = DateTimeFormat::utc($activity['published']);
905 } elseif (!empty($activity['object']['published'])) {
906 $published = DateTimeFormat::utc($activity['object']['published']);
911 if ($last_updated < $published) {
912 $last_updated = $published;
916 if (empty($last_updated)) {
920 $fields = ['last_contact' => DateTimeFormat::utcNow(), 'updated' => $last_updated];
921 DBA::update('gcontact', $fields, ['nurl' => Strings::normaliseLink($data['url'])]);
925 * Update a global contact via an XML feed
927 * @param string $data Probing result
929 private static function updateFromFeed(array $data)
931 // Search for the newest entry in the feed
932 $curlResult = Network::curl($data['poll']);
933 if (!$curlResult->isSuccess()) {
934 $fields = ['last_failure' => DateTimeFormat::utcNow()];
935 DBA::update('gcontact', $fields, ['nurl' => Strings::normaliseLink($data['url'])]);
937 Logger::info("Profile wasn't reachable (no feed)", ['url' => $data['url']]);
941 $doc = new DOMDocument();
942 @$doc->loadXML($curlResult->getBody());
944 $xpath = new DOMXPath($doc);
945 $xpath->registerNamespace('atom', 'http://www.w3.org/2005/Atom');
947 $entries = $xpath->query('/atom:feed/atom:entry');
951 foreach ($entries as $entry) {
952 $published_item = $xpath->query('atom:published/text()', $entry)->item(0);
953 $updated_item = $xpath->query('atom:updated/text()' , $entry)->item(0);
954 $published = !empty($published_item->nodeValue) ? DateTimeFormat::utc($published_item->nodeValue) : null;
955 $updated = !empty($updated_item->nodeValue) ? DateTimeFormat::utc($updated_item->nodeValue) : null;
957 if (empty($published) || empty($updated)) {
958 Logger::notice('Invalid entry for XPath.', ['entry' => $entry, 'url' => $data['url']]);
962 if ($last_updated < $published) {
963 $last_updated = $published;
966 if ($last_updated < $updated) {
967 $last_updated = $updated;
971 if (empty($last_updated)) {
975 $fields = ['last_contact' => DateTimeFormat::utcNow(), 'updated' => $last_updated];
976 DBA::update('gcontact', $fields, ['nurl' => Strings::normaliseLink($data['url'])]);
979 * Updates the gcontact entry from a given public contact id
981 * @param integer $cid contact id
983 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
984 * @throws \ImagickException
986 public static function updateFromPublicContactID($cid)
988 self::updateFromPublicContact(['id' => $cid]);
992 * Updates the gcontact entry from a given public contact url
994 * @param string $url contact url
995 * @return integer gcontact id
996 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
997 * @throws \ImagickException
999 public static function updateFromPublicContactURL($url)
1001 return self::updateFromPublicContact(['nurl' => Strings::normaliseLink($url)]);
1005 * Helper function for updateFromPublicContactID and updateFromPublicContactURL
1007 * @param array $condition contact condition
1008 * @return integer gcontact id
1009 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1010 * @throws \ImagickException
1012 private static function updateFromPublicContact($condition)
1014 $fields = ['name', 'nick', 'url', 'nurl', 'location', 'about', 'keywords',
1015 'bd', 'contact-type', 'network', 'addr', 'notify', 'alias', 'archive', 'term-date',
1016 'created', 'updated', 'avatar', 'success_update', 'failure_update', 'forum', 'prv',
1017 'baseurl', 'sensitive', 'unsearchable'];
1019 $contact = DBA::selectFirst('contact', $fields, array_merge($condition, ['uid' => 0, 'network' => Protocol::FEDERATED]));
1020 if (!DBA::isResult($contact)) {
1024 $fields = ['name', 'nick', 'url', 'nurl', 'location', 'about', 'keywords', 'generation',
1025 'birthday', 'contact-type', 'network', 'addr', 'notify', 'alias', 'archived', 'archive_date',
1026 'created', 'updated', 'photo', 'last_contact', 'last_failure', 'community', 'connect',
1027 'server_url', 'nsfw', 'hide', 'id'];
1029 $old_gcontact = DBA::selectFirst('gcontact', $fields, ['nurl' => $contact['nurl']]);
1030 $do_insert = !DBA::isResult($old_gcontact);
1037 // These fields are identical in both contact and gcontact
1038 $fields = ['name', 'nick', 'url', 'nurl', 'location', 'about', 'keywords',
1039 'contact-type', 'network', 'addr', 'notify', 'alias', 'created', 'updated'];
1041 foreach ($fields as $field) {
1042 $gcontact[$field] = $contact[$field];
1045 // These fields are having different names but the same content
1046 $gcontact['server_url'] = $contact['baseurl'] ?? ''; // "baseurl" can be null, "server_url" not
1047 $gcontact['nsfw'] = $contact['sensitive'];
1048 $gcontact['hide'] = $contact['unsearchable'];
1049 $gcontact['archived'] = $contact['archive'];
1050 $gcontact['archive_date'] = $contact['term-date'];
1051 $gcontact['birthday'] = $contact['bd'];
1052 $gcontact['photo'] = $contact['avatar'];
1053 $gcontact['last_contact'] = $contact['success_update'];
1054 $gcontact['last_failure'] = $contact['failure_update'];
1055 $gcontact['community'] = ($contact['forum'] || $contact['prv']);
1057 foreach (['last_contact', 'last_failure', 'updated'] as $field) {
1058 if (!empty($old_gcontact[$field]) && ($old_gcontact[$field] >= $gcontact[$field])) {
1059 unset($gcontact[$field]);
1063 if (!$gcontact['archived']) {
1064 $gcontact['archive_date'] = DBA::NULL_DATETIME;
1067 if (!empty($old_gcontact['created']) && ($old_gcontact['created'] > DBA::NULL_DATETIME)
1068 && ($old_gcontact['created'] <= $gcontact['created'])) {
1069 unset($gcontact['created']);
1072 if (empty($gcontact['birthday']) && ($gcontact['birthday'] <= DBA::NULL_DATETIME)) {
1073 unset($gcontact['birthday']);
1076 if (empty($old_gcontact['generation']) || ($old_gcontact['generation'] > 2)) {
1077 $gcontact['generation'] = 2; // We fetched the data directly from the other server
1081 DBA::update('gcontact', $gcontact, ['nurl' => $contact['nurl']], $old_gcontact);
1082 return $old_gcontact['id'];
1083 } elseif (!$gcontact['archived']) {
1084 DBA::insert('gcontact', $gcontact);
1085 return DBA::lastInsertId();
1090 * Updates the gcontact entry from probe
1092 * @param string $url profile link
1093 * @param boolean $force Optional forcing of network probing (otherwise we use the cached data)
1095 * @return boolean 'true' when contact had been updated
1097 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1098 * @throws \ImagickException
1100 public static function updateFromProbe($url, $force = false)
1102 $data = Probe::uri($url, $force);
1104 if (in_array($data['network'], [Protocol::PHANTOM])) {
1105 $fields = ['last_failure' => DateTimeFormat::utcNow()];
1106 DBA::update('gcontact', $fields, ['nurl' => Strings::normaliseLink($url)]);
1107 Logger::info('Invalid network for contact', ['url' => $data['url'], 'callstack' => System::callstack()]);
1111 $data['server_url'] = $data['baseurl'];
1113 self::update($data);
1115 // Set the date of the latest post
1116 self::setLastUpdate($data, $force);
1122 * Update the gcontact entry for a given user id
1124 * @param int $uid User ID
1126 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1127 * @throws \ImagickException
1129 public static function updateForUser($uid)
1131 $profile = Profile::getByUID($uid);
1132 if (empty($profile)) {
1133 Logger::error('Cannot find profile', ['uid' => $uid]);
1137 $user = User::getOwnerDataById($uid);
1139 Logger::error('Cannot find user', ['uid' => $uid]);
1143 $userdata = array_merge($profile, $user);
1145 $location = Profile::formatLocation(
1146 ['locality' => $userdata['locality'], 'region' => $userdata['region'], 'country-name' => $userdata['country-name']]
1149 $gcontact = ['name' => $userdata['name'], 'location' => $location, 'about' => $userdata['about'],
1150 'keywords' => $userdata['pub_keywords'],
1151 'birthday' => $userdata['dob'], 'photo' => $userdata['photo'],
1152 "notify" => $userdata['notify'], 'url' => $userdata['url'],
1153 "hide" => !$userdata['net-publish'],
1154 'nick' => $userdata['nickname'], 'addr' => $userdata['addr'],
1155 "connect" => $userdata['addr'], "server_url" => DI::baseUrl(),
1156 "generation" => 1, 'network' => Protocol::DFRN];
1158 self::update($gcontact);
1162 * Get the basepath for a given contact link
1164 * @param string $url The gcontact link
1165 * @param boolean $dont_update Don't update the contact
1167 * @return string basepath
1168 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1169 * @throws \ImagickException
1171 public static function getBasepath($url, $dont_update = false)
1173 $gcontact = DBA::selectFirst('gcontact', ['server_url'], ['nurl' => Strings::normaliseLink($url)]);
1174 if (!empty($gcontact['server_url'])) {
1175 return $gcontact['server_url'];
1176 } elseif ($dont_update) {
1180 self::updateFromProbe($url, true);
1183 $gcontact = DBA::selectFirst('gcontact', ['server_url'], ['nurl' => Strings::normaliseLink($url)]);
1184 if (empty($gcontact['server_url'])) {
1185 Logger::info('No baseurl for gcontact', ['url' => $url]);
1189 Logger::info('Found baseurl for gcontact', ['url' => $url, 'baseurl' => $gcontact['server_url']]);
1190 return $gcontact['server_url'];
1194 * Fetches users of given GNU Social server
1196 * If the "Statistics" addon is enabled (See http://gstools.org/ for details) we query user data with this.
1198 * @param string $server Server address
1200 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1201 * @throws \ImagickException
1203 public static function fetchGsUsers($server)
1205 Logger::info('Fetching users from GNU Social server', ['server' => $server]);
1207 $url = $server . '/main/statistics';
1209 $curlResult = Network::curl($url);
1210 if (!$curlResult->isSuccess()) {
1214 $statistics = json_decode($curlResult->getBody());
1216 if (!empty($statistics->config->instance_address)) {
1217 if (!empty($statistics->config->instance_with_ssl)) {
1218 $server = 'https://';
1220 $server = 'http://';
1223 $server .= $statistics->config->instance_address;
1225 $hostname = $statistics->config->instance_address;
1226 } elseif (!empty($statistics->instance_address)) {
1227 if (!empty($statistics->instance_with_ssl)) {
1228 $server = 'https://';
1230 $server = 'http://';
1233 $server .= $statistics->instance_address;
1235 $hostname = $statistics->instance_address;
1238 if (!empty($statistics->users)) {
1239 foreach ($statistics->users as $nick => $user) {
1240 $profile_url = $server . '/' . $user->nickname;
1242 $contact = ['url' => $profile_url,
1243 'name' => $user->fullname,
1244 'addr' => $user->nickname . '@' . $hostname,
1245 'nick' => $user->nickname,
1246 "network" => Protocol::OSTATUS,
1247 'photo' => DI::baseUrl() . '/images/person-300.jpg'];
1249 if (isset($user->bio)) {
1250 $contact['about'] = $user->bio;
1253 self::getId($contact);
1259 * Asking GNU Social server on a regular base for their user data
1262 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1263 * @throws \ImagickException
1265 public static function discoverGsUsers()
1267 $requery_days = intval(DI::config()->get('system', 'poco_requery_days'));
1269 $last_update = date("c", time() - (60 * 60 * 24 * $requery_days));
1271 $r = DBA::select('gserver', ['nurl', 'url'], [
1273 AND `last_contact` >= `last_failure`
1274 AND `last_poco_query` < ?',
1279 'order' => ['RAND()']
1282 if (!DBA::isResult($r)) {
1286 foreach ($r as $server) {
1287 self::fetchGsUsers($server['url']);
1288 DBA::update('gserver', ['last_poco_query' => DateTimeFormat::utcNow()], ['nurl' => $server['nurl']]);
1293 * Fetches the followers of a given profile and adds them
1295 * @param string $url URL of a profile
1298 public static function discoverFollowers(string $url)
1300 $gcontact = DBA::selectFirst('gcontact', ['id', 'last_discovery'], ['nurl' => Strings::normaliseLink(($url))]);
1301 if (!DBA::isResult($gcontact)) {
1305 if ($gcontact['last_discovery'] > DateTimeFormat::utc('now - 1 month')) {
1306 Logger::info('Last discovery was less then a month before.', ['url' => $url, 'discovery' => $gcontact['last_discovery']]);
1310 $gcid = $gcontact['id'];
1312 $apcontact = APContact::getByURL($url);
1314 if (!empty($apcontact['followers']) && is_string($apcontact['followers'])) {
1315 $followers = ActivityPub::fetchItems($apcontact['followers']);
1320 if (!empty($apcontact['following']) && is_string($apcontact['following'])) {
1321 $followings = ActivityPub::fetchItems($apcontact['following']);
1326 if (!empty($followers) || !empty($followings)) {
1327 if (!empty($followers)) {
1328 // Clear the follower list, since it will be recreated in the next step
1329 DBA::update('gfollower', ['deleted' => true], ['gcid' => $gcid]);
1333 foreach (array_merge($followers, $followings) as $contact) {
1334 if (is_string($contact)) {
1335 $contacts[] = $contact;
1336 } elseif (!empty($contact['url']) && is_string($contact['url'])) {
1337 $contacts[] = $contact['url'];
1340 $contacts = array_unique($contacts);
1342 Logger::info('Discover AP contacts', ['url' => $url, 'contacts' => count($contacts)]);
1343 foreach ($contacts as $contact) {
1344 $gcontact = DBA::selectFirst('gcontact', ['id'], ['nurl' => Strings::normaliseLink(($contact))]);
1345 if (DBA::isResult($gcontact)) {
1347 if (in_array($contact, $followers)) {
1348 $fields = ['gcid' => $gcid, 'follower-gcid' => $gcontact['id']];
1349 } elseif (in_array($contact, $followings)) {
1350 $fields = ['gcid' => $gcontact['id'], 'follower-gcid' => $gcid];
1353 if (!empty($fields)) {
1354 Logger::info('Set relation between contacts', $fields);
1355 DBA::update('gfollower', ['deleted' => false], $fields, true);
1360 if (!Network::isUrlBlocked($contact)) {
1361 Logger::info('Discover new AP contact', ['url' => $contact]);
1362 Worker::add(PRIORITY_LOW, 'UpdateGContact', $contact);
1364 Logger::info('No discovery, the URL is blocked.', ['url' => $contact]);
1367 if (!empty($followers)) {
1368 // Delete all followers that aren't undeleted
1369 DBA::delete('gfollower', ['gcid' => $gcid, 'deleted' => true]);
1372 DBA::update('gcontact', ['last_discovery' => DateTimeFormat::utcNow()], ['id' => $gcid]);
1373 Logger::info('AP contacts discovery finished, last discovery set', ['url' => $url]);
1377 $data = Probe::uri($url);
1378 if (empty($data['poco'])) {
1382 $curlResult = Network::curl($data['poco']);
1383 if (!$curlResult->isSuccess()) {
1386 $poco = json_decode($curlResult->getBody(), true);
1387 if (empty($poco['entry'])) {
1391 Logger::info('PoCo Discovery started', ['url' => $url, 'contacts' => count($poco['entry'])]);
1393 foreach ($poco['entry'] as $entries) {
1394 if (!empty($entries['urls'])) {
1395 foreach ($entries['urls'] as $entry) {
1396 if ($entry['type'] == 'profile') {
1397 if (DBA::exists('gcontact', ['nurl' => Strings::normaliseLink(($entry['value']))])) {
1400 if (!Network::isUrlBlocked($entry['value'])) {
1401 Logger::info('Discover new PoCo contact', ['url' => $entry['value']]);
1402 Worker::add(PRIORITY_LOW, 'UpdateGContact', $entry['value']);
1404 Logger::info('No discovery, the URL is blocked.', ['url' => $entry['value']]);
1411 DBA::update('gcontact', ['last_discovery' => DateTimeFormat::utcNow()], ['id' => $gcid]);
1412 Logger::info('PoCo Discovery finished', ['url' => $url]);
1416 * Returns a random, global contact of the current node
1418 * @return string The profile URL
1421 public static function getRandomUrl()
1423 $r = DBA::selectFirst('gcontact', ['url'], [
1425 AND `last_contact` >= `last_failure`
1428 DateTimeFormat::utc('now - 1 month'),
1429 ], ['order' => ['RAND()']]);
1431 if (DBA::isResult($r)) {