3 * @copyright Copyright (C) 2010-2023, the Friendica project
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;
24 use Friendica\Contact\Avatar;
25 use Friendica\Contact\Introduction\Exception\IntroductionNotFoundException;
26 use Friendica\Content\Conversation as ConversationContent;
27 use Friendica\Content\Pager;
28 use Friendica\Content\Text\HTML;
29 use Friendica\Core\Hook;
30 use Friendica\Core\Logger;
31 use Friendica\Core\Protocol;
32 use Friendica\Core\Renderer;
33 use Friendica\Core\System;
34 use Friendica\Core\Worker;
35 use Friendica\Database\Database;
36 use Friendica\Database\DBA;
38 use Friendica\Network\HTTPClient\Client\HttpClientAccept;
39 use Friendica\Network\HTTPClient\Client\HttpClientOptions;
40 use Friendica\Network\HTTPException;
41 use Friendica\Network\Probe;
42 use Friendica\Object\Image;
43 use Friendica\Protocol\Activity;
44 use Friendica\Protocol\ActivityPub;
45 use Friendica\Util\DateTimeFormat;
46 use Friendica\Util\HTTPSignature;
47 use Friendica\Util\Images;
48 use Friendica\Util\Network;
49 use Friendica\Util\Proxy;
50 use Friendica\Util\Strings;
51 use Friendica\Worker\UpdateContact;
54 * functions for interacting with a contact
58 const DEFAULT_AVATAR_PHOTO = '/images/person-300.jpg';
59 const DEFAULT_AVATAR_THUMB = '/images/person-80.jpg';
60 const DEFAULT_AVATAR_MICRO = '/images/person-48.jpg';
66 const LOCK_INSERT = 'contact-insert';
71 * TYPE_UNKNOWN - unknown type
73 * TYPE_PERSON - the account belongs to a person
74 * Associated page types: PAGE_NORMAL, PAGE_SOAPBOX, PAGE_FREELOVE
76 * TYPE_ORGANISATION - the account belongs to an organisation
77 * Associated page type: PAGE_SOAPBOX
79 * TYPE_NEWS - the account is a news reflector
80 * Associated page type: PAGE_SOAPBOX
82 * TYPE_COMMUNITY - the account is community group
83 * Associated page types: PAGE_COMMUNITY, PAGE_PRVGROUP
85 * TYPE_RELAY - the account is a relay
86 * This will only be assigned to contacts, not to user accounts
89 const TYPE_UNKNOWN = -1;
90 const TYPE_PERSON = User::ACCOUNT_TYPE_PERSON;
91 const TYPE_ORGANISATION = User::ACCOUNT_TYPE_ORGANISATION;
92 const TYPE_NEWS = User::ACCOUNT_TYPE_NEWS;
93 const TYPE_COMMUNITY = User::ACCOUNT_TYPE_COMMUNITY;
94 const TYPE_RELAY = User::ACCOUNT_TYPE_RELAY;
105 const NOTHING = 0; // There is no relationship between the contact and the user
106 const FOLLOWER = 1; // The contact is following this user (the contact is the subscriber)
107 const SHARING = 2; // The contact shares their content with this user (the user is the subscriber)
108 const FRIEND = 3; // There is a mutual relationship between the contact and the user
109 const SELF = 4; // This is the user theirself
114 const MIRROR_DEACTIVATED = 0;
115 const MIRROR_FORWARDED = 1; // Deprecated, now does the same like MIRROR_OWN_POST
116 const MIRROR_OWN_POST = 2;
117 const MIRROR_NATIVE_RESHARE = 3;
120 * @param array $fields Array of selected fields, empty for all
121 * @param array $condition Array of fields for condition
122 * @param array $params Array of several parameters
126 public static function selectToArray(array $fields = [], array $condition = [], array $params = []): array
128 return DBA::selectToArray('contact', $fields, $condition, $params);
132 * @param array $fields Array of selected fields, empty for all
133 * @param array $condition Array of fields for condition
134 * @param array $params Array of several parameters
138 public static function selectFirst(array $fields = [], array $condition = [], array $params = [])
140 $contact = DBA::selectFirst('contact', $fields, $condition, $params);
146 * @param array $fields Array of selected fields, empty for all
147 * @param array $condition Array of fields for condition
148 * @param array $params Array of several parameters
152 public static function selectAccountToArray(array $fields = [], array $condition = [], array $params = []): array
154 return DBA::selectToArray('account-user-view', $fields, $condition, $params);
158 * @param array $fields Array of selected fields, empty for all
159 * @param array $condition Array of fields for condition
160 * @param array $params Array of several parameters
164 public static function selectFirstAccount(array $fields = [], array $condition = [], array $params = [])
166 return DBA::selectFirst('account-view', $fields, $condition, $params);
170 * Insert a row into the contact table
171 * Important: You can't use DBA::lastInsertId() after this call since it will be set to 0.
173 * @param array $fields field array
174 * @param int $duplicate_mode Do an update on a duplicate entry
176 * @return int id of the created contact
179 public static function insert(array $fields, int $duplicate_mode = Database::INSERT_DEFAULT): int
181 if (!empty($fields['baseurl']) && empty($fields['gsid'])) {
182 $fields['gsid'] = GServer::getID($fields['baseurl'], true);
185 $fields['uri-id'] = ItemURI::getIdByURI($fields['url']);
187 if (empty($fields['created'])) {
188 $fields['created'] = DateTimeFormat::utcNow();
191 $fields = DI::dbaDefinition()->truncateFieldsForTable('contact', $fields);
192 DBA::insert('contact', $fields, $duplicate_mode);
193 $contact = DBA::selectFirst('contact', [], ['id' => DBA::lastInsertId()]);
194 if (!DBA::isResult($contact)) {
196 Logger::warning('Created contact could not be found', ['fields' => $fields]);
200 $fields = DI::dbaDefinition()->truncateFieldsForTable('account-user', $contact);
201 DBA::insert('account-user', $fields, Database::INSERT_IGNORE);
202 $account_user = DBA::selectFirst('account-user', ['id'], ['uid' => $contact['uid'], 'uri-id' => $contact['uri-id']]);
203 if (empty($account_user['id'])) {
204 Logger::warning('Account-user entry not found', ['cid' => $contact['id'], 'uid' => $contact['uid'], 'uri-id' => $contact['uri-id'], 'url' => $contact['url']]);
205 } elseif ($account_user['id'] != $contact['id']) {
206 $duplicate = DBA::selectFirst('contact', [], ['id' => $account_user['id'], 'deleted' => false]);
207 if (!empty($duplicate['id'])) {
208 $ret = Contact::deleteById($contact['id']);
209 Logger::notice('Deleted duplicated contact', ['ret' => $ret, 'account-user' => $account_user, 'cid' => $duplicate['id'], 'uid' => $duplicate['uid'], 'uri-id' => $duplicate['uri-id'], 'url' => $duplicate['url']]);
210 $contact = $duplicate;
212 $ret = DBA::update('account-user', ['id' => $contact['id']], ['uid' => $contact['uid'], 'uri-id' => $contact['uri-id']]);
213 Logger::notice('Updated account-user', ['ret' => $ret, 'account-user' => $account_user, 'cid' => $contact['id'], 'uid' => $contact['uid'], 'uri-id' => $contact['uri-id'], 'url' => $contact['url']]);
217 Contact\User::insertForContactArray($contact);
219 return $contact['id'];
223 * Delete contact by id
228 public static function deleteById(int $id): bool
230 Logger::debug('Delete contact', ['id' => $id]);
231 DBA::delete('account-user', ['id' => $id]);
232 return DBA::delete('contact', ['id' => $id]);
236 * Updates rows in the contact table
238 * @param array $fields contains the fields that are updated
239 * @param array $condition condition array with the key values
240 * @param array|boolean $old_fields array with the old field values that are about to be replaced (true = update on duplicate, false = don't update identical fields)
242 * @return boolean was the update successful?
244 * @todo Let's get rid of boolean type of $old_fields
246 public static function update(array $fields, array $condition, $old_fields = []): bool
248 // Apply changes to the "user-contact" table on dedicated fields
249 Contact\User::updateByContactUpdate($fields, $condition);
251 $fields = DI::dbaDefinition()->truncateFieldsForTable('contact', $fields);
252 return DBA::update('contact', $fields, $condition, $old_fields);
256 * @param integer $id Contact ID
257 * @param array $fields Array of selected fields, empty for all
258 * @return array|boolean Contact record if it exists, false otherwise
261 public static function getById(int $id, array $fields = [])
263 return DBA::selectFirst('contact', $fields, ['id' => $id]);
267 * Fetch the first contact with the provided uri-id.
269 * @param integer $uri_id uri-id of the contact
270 * @param array $fields Array of selected fields, empty for all
271 * @return array|boolean Contact record if it exists, false otherwise
274 public static function getByUriId(int $uri_id, array $fields = [])
276 return DBA::selectFirst('contact', $fields, ['uri-id' => $uri_id], ['order' => ['uid']]);
280 * Fetch all remote contacts for a given contact url
282 * @param string $url The URL of the contact
283 * @param array $fields The wanted fields
285 * @return array all remote contacts
289 public static function getVisitorByUrl(string $url, array $fields = ['id', 'uid']): array
293 $remote_contacts = DBA::select('contact', ['id', 'uid'], ['nurl' => Strings::normaliseLink($url), 'rel' => [Contact::FOLLOWER, Contact::FRIEND], 'self' => false]);
294 while ($contact = DBA::fetch($remote_contacts)) {
295 if (($contact['uid'] == 0) || Contact\User::isBlocked($contact['id'], $contact['uid'])) {
298 $remote[$contact['uid']] = $contact['id'];
300 DBA::close($remote_contacts);
306 * Fetches a contact by a given url
308 * @param string $url profile url
309 * @param boolean $update true = always update, false = never update, null = update when not found or outdated
310 * @param array $fields Field list
311 * @param integer $uid User ID of the contact
312 * @return array contact array
314 public static function getByURL(string $url, $update = null, array $fields = [], int $uid = 0): array
316 if ($update || is_null($update)) {
317 $cid = self::getIdForURL($url, $uid, $update);
322 $contact = self::getById($cid, $fields);
323 if (empty($contact)) {
329 // Add internal fields
331 if (!empty($fields)) {
332 foreach (['id', 'next-update', 'network', 'local-data'] as $internal) {
333 if (!in_array($internal, $fields)) {
334 $fields[] = $internal;
335 $removal[] = $internal;
340 // We first try the nurl (http://server.tld/nick), most common case
341 $options = ['order' => ['id']];
342 $contact = DBA::selectFirst('contact', $fields, ['nurl' => Strings::normaliseLink($url), 'uid' => $uid, 'deleted' => false], $options);
344 // Then the addr (nick@server.tld)
345 if (!DBA::isResult($contact)) {
346 $contact = DBA::selectFirst('contact', $fields, ['addr' => str_replace('acct:', '', $url), 'uid' => $uid, 'deleted' => false], $options);
349 // Then the alias (which could be anything)
350 if (!DBA::isResult($contact)) {
351 // The link could be provided as http although we stored it as https
352 $ssl_url = str_replace('http://', 'https://', $url);
353 $condition = ['`alias` IN (?, ?, ?) AND `uid` = ? AND NOT `deleted`', $url, Strings::normaliseLink($url), $ssl_url, $uid];
354 $contact = DBA::selectFirst('contact', $fields, $condition, $options);
357 if (!DBA::isResult($contact)) {
361 $background_update = DI::config()->get('system', 'update_active_contacts') ? $contact['local-data'] : true;
363 // Update the contact in the background if needed
364 if ($background_update && !self::isLocal($url) && Protocol::supportsProbe($contact['network']) && ($contact['next-update'] < DateTimeFormat::utcNow())) {
366 UpdateContact::add(['priority' => Worker::PRIORITY_LOW, 'dont_fork' => true], $contact['id']);
367 } catch (\InvalidArgumentException $e) {
368 Logger::notice($e->getMessage(), ['contact' => $contact]);
372 // Remove the internal fields
373 foreach ($removal as $internal) {
374 unset($contact[$internal]);
381 * Fetches a contact for a given user by a given url.
382 * In difference to "getByURL" the function will fetch a public contact when no user contact had been found.
384 * @param string $url profile url
385 * @param integer $uid User ID of the contact
386 * @param boolean $update true = always update, false = never update, null = update when not found or outdated
387 * @param array $fields Field list
388 * @return array contact array
390 public static function getByURLForUser(string $url, int $uid = 0, $update = false, array $fields = []): array
393 $contact = self::getByURL($url, $update, $fields, $uid);
394 if (!empty($contact)) {
395 if (!empty($contact['id'])) {
396 $contact['cid'] = $contact['id'];
403 $contact = self::getByURL($url, $update, $fields);
404 if (!empty($contact['id'])) {
406 $contact['zid'] = $contact['id'];
412 * Checks if a contact uses a specific platform
415 * @param string $platform
418 public static function isPlatform(string $url, string $platform): bool
420 return DBA::exists('account-view', ['nurl' => Strings::normaliseLink($url), 'platform' => $platform]);
424 * Tests if the given contact is a follower
426 * @param int $cid Either public contact id or user's contact id
427 * @param int $uid User ID
428 * @param bool $strict If "true" then contact mustn't be set to pending or readonly
430 * @return boolean is the contact id a follower?
431 * @throws HTTPException\InternalServerErrorException
432 * @throws \ImagickException
434 public static function isFollower(int $cid, int $uid, bool $strict = false): bool
436 if (Contact\User::isBlocked($cid, $uid)) {
440 $cdata = self::getPublicAndUserContactID($cid, $uid);
441 if (empty($cdata['user'])) {
445 $condition = ['id' => $cdata['user'], 'rel' => [self::FOLLOWER, self::FRIEND]];
447 $condition = array_merge($condition, ['pending' => false, 'readonly' => false, 'blocked' => false]);
449 return DBA::exists('contact', $condition);
453 * Tests if the given contact url is a follower
455 * @param string $url Contact URL
456 * @param int $uid User ID
457 * @param bool $strict If "true" then contact mustn't be set to pending or readonly
459 * @return boolean is the contact id a follower?
460 * @throws HTTPException\InternalServerErrorException
461 * @throws \ImagickException
463 public static function isFollowerByURL(string $url, int $uid, bool $strict = false): bool
465 $cid = self::getIdForURL($url, $uid);
471 return self::isFollower($cid, $uid, $strict);
475 * Tests if the given user shares with the given contact
477 * @param int $cid Either public contact id or user's contact id
478 * @param int $uid User ID
479 * @param bool $strict If "true" then contact mustn't be set to pending or readonly
481 * @return boolean is the contact sharing with given user?
482 * @throws HTTPException\InternalServerErrorException
483 * @throws \ImagickException
485 public static function isSharing(int $cid, int $uid, bool $strict = false): bool
487 if (Contact\User::isBlocked($cid, $uid)) {
491 $cdata = self::getPublicAndUserContactID($cid, $uid);
492 if (empty($cdata['user'])) {
496 $condition = ['id' => $cdata['user'], 'rel' => [self::SHARING, self::FRIEND]];
498 $condition = array_merge($condition, ['pending' => false, 'readonly' => false, 'blocked' => false]);
500 return DBA::exists('contact', $condition);
504 * Tests if the given user follow the given contact url
506 * @param string $url Contact URL
507 * @param int $uid User ID
508 * @param bool $strict If "true" then contact mustn't be set to pending or readonly
510 * @return boolean is the contact url being followed?
511 * @throws HTTPException\InternalServerErrorException
512 * @throws \ImagickException
514 public static function isSharingByURL(string $url, int $uid, bool $strict = false): bool
516 $cid = self::getIdForURL($url, $uid);
522 return self::isSharing($cid, $uid, $strict);
526 * Get the basepath for a given contact link
528 * @param string $url The contact link
529 * @param boolean $dont_update Don't update the contact
531 * @return string basepath
532 * @throws HTTPException\InternalServerErrorException
533 * @throws \ImagickException
535 public static function getBasepath(string $url, bool $dont_update = false): string
537 $contact = DBA::selectFirst('contact', ['id', 'baseurl'], ['uid' => 0, 'nurl' => Strings::normaliseLink($url)]);
538 if (!DBA::isResult($contact)) {
542 if (!empty($contact['baseurl'])) {
543 return $contact['baseurl'];
544 } elseif ($dont_update) {
548 // Update the existing contact
549 self::updateFromProbe($contact['id']);
551 // And fetch the result
552 $contact = DBA::selectFirst('contact', ['baseurl'], ['id' => $contact['id']]);
553 if (empty($contact['baseurl'])) {
554 Logger::info('No baseurl for contact', ['url' => $url]);
558 Logger::info('Found baseurl for contact', ['url' => $url, 'baseurl' => $contact['baseurl']]);
559 return $contact['baseurl'];
563 * Check if the given contact url is on the same server
565 * @param string $url The contact link
567 * @return boolean Is it the same server?
569 public static function isLocal(string $url): bool
571 if (!parse_url($url, PHP_URL_SCHEME)) {
572 $addr_parts = explode('@', $url);
573 return (count($addr_parts) == 2) && ($addr_parts[1] == DI::baseUrl()->getHost());
576 return Strings::compareLink(self::getBasepath($url, true), DI::baseUrl());
580 * Check if the given contact ID is on the same server
582 * @param string $url The contact link
583 * @return boolean Is it the same server?
585 public static function isLocalById(int $cid): bool
587 $contact = DBA::selectFirst('contact', ['url', 'baseurl'], ['id' => $cid]);
588 if (!DBA::isResult($contact)) {
592 if (empty($contact['baseurl'])) {
593 $baseurl = self::getBasepath($contact['url'], true);
595 $baseurl = $contact['baseurl'];
598 return Strings::compareLink($baseurl, DI::baseUrl());
602 * Returns the public contact id of the given user id
604 * @param integer $uid User ID
606 * @return integer|boolean Public contact id for given user id
609 public static function getPublicIdByUserId(int $uid)
611 $self = DBA::selectFirst('contact', ['url'], ['self' => true, 'uid' => $uid]);
612 if (!DBA::isResult($self)) {
615 return self::getIdForURL($self['url']);
619 * Returns the contact id for the user and the public contact id for a given contact id
621 * @param int $cid Either public contact id or user's contact id
622 * @param int $uid User ID
624 * @return array with public and user's contact id
625 * @throws HTTPException\InternalServerErrorException
626 * @throws \ImagickException
628 public static function getPublicAndUserContactID(int $cid, int $uid): array
630 // We have to use the legacy function as long as the post update hasn't finished
631 if (DI::keyValue()->get('post_update_version') < 1427) {
632 return self::legacyGetPublicAndUserContactID($cid, $uid);
635 if (empty($uid) || empty($cid)) {
639 $contact = DBA::selectFirst('account-user-view', ['id', 'uid', 'pid'], ['id' => $cid]);
640 if (!DBA::isResult($contact) || !in_array($contact['uid'], [0, $uid])) {
644 $pcid = $contact['pid'];
645 if ($contact['uid'] == $uid) {
646 $ucid = $contact['id'];
648 $contact = DBA::selectFirst('account-user-view', ['id', 'uid'], ['pid' => $cid, 'uid' => $uid]);
649 if (DBA::isResult($contact)) {
650 $ucid = $contact['id'];
656 return ['public' => $pcid, 'user' => $ucid];
660 * Helper function for "getPublicAndUserContactID"
662 * @param int $cid Either public contact id or user's contact id
663 * @param int $uid User ID
664 * @return array with public and user's contact id
665 * @throws HTTPException\InternalServerErrorException
666 * @throws \ImagickException
668 private static function legacyGetPublicAndUserContactID(int $cid, int $uid): array
670 if (empty($uid) || empty($cid)) {
674 $contact = DBA::selectFirst('contact', ['id', 'uid', 'url'], ['id' => $cid]);
675 if (!DBA::isResult($contact)) {
679 // We quit when the user id don't match the user id of the provided contact
680 if (($contact['uid'] != $uid) && ($contact['uid'] != 0)) {
684 if ($contact['uid'] != 0) {
685 $pcid = self::getIdForURL($contact['url'], 0, false, ['url' => $contact['url']]);
689 $ucid = $contact['id'];
691 $pcid = $contact['id'];
692 $ucid = self::getIdForURL($contact['url'], $uid);
695 return ['public' => $pcid, 'user' => $ucid];
699 * Returns contact details for a given contact id in combination with a user id
701 * @param int $cid A contact ID
702 * @param int $uid The User ID
703 * @param array $fields The selected fields for the contact
704 * @return array The contact details
708 public static function getContactForUser(int $cid, int $uid, array $fields = []): array
710 $contact = DBA::selectFirst('contact', $fields, ['id' => $cid, 'uid' => $uid]);
712 if (!DBA::isResult($contact)) {
720 * Creates the self-contact for the provided user id
723 * @return bool Operation success
724 * @throws HTTPException\InternalServerErrorException
726 public static function createSelfFromUserId(int $uid): bool
728 $user = DBA::selectFirst(
730 ['uid', 'username', 'nickname', 'pubkey', 'prvkey'],
731 ['uid' => $uid, 'account_expired' => false]
733 if (!DBA::isResult($user)) {
738 'uid' => $user['uid'],
739 'created' => DateTimeFormat::utcNow(),
741 'name' => $user['username'],
742 'nick' => $user['nickname'],
743 'pubkey' => $user['pubkey'],
744 'prvkey' => $user['prvkey'],
745 'photo' => User::getAvatarUrl($user),
746 'thumb' => User::getAvatarUrl($user, Proxy::SIZE_THUMB),
747 'micro' => User::getAvatarUrl($user, Proxy::SIZE_MICRO),
750 'url' => DI::baseUrl() . '/profile/' . $user['nickname'],
751 'nurl' => Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']),
752 'addr' => $user['nickname'] . '@' . substr(DI::baseUrl(), strpos(DI::baseUrl(), '://') + 3),
753 'request' => DI::baseUrl() . '/dfrn_request/' . $user['nickname'],
754 'notify' => DI::baseUrl() . '/dfrn_notify/' . $user['nickname'],
755 'poll' => DI::baseUrl() . '/dfrn_poll/' . $user['nickname'],
756 'confirm' => DI::baseUrl() . '/dfrn_confirm/' . $user['nickname'],
757 'name-date' => DateTimeFormat::utcNow(),
758 'uri-date' => DateTimeFormat::utcNow(),
759 'avatar-date' => DateTimeFormat::utcNow(),
765 // Only create the entry if it doesn't exist yet
766 if (!DBA::exists('contact', ['uid' => $uid, 'self' => true])) {
767 $return = (bool)self::insert($contact);
770 // Create the public contact
771 if (!DBA::exists('contact', ['nurl' => $contact['nurl'], 'uid' => 0])) {
772 $contact['self'] = false;
774 $contact['prvkey'] = null;
776 self::insert($contact, Database::INSERT_IGNORE);
783 * Updates the self-contact for the provided user id
786 * @param bool $update_avatar Force the avatar update
787 * @return bool "true" if updated
788 * @throws HTTPException\InternalServerErrorException
790 public static function updateSelfFromUserID(int $uid, bool $update_avatar = false): bool
793 'id', 'uri-id', 'name', 'nick', 'location', 'about', 'keywords', 'avatar', 'prvkey', 'pubkey', 'manually-approve',
794 'xmpp', 'matrix', 'contact-type', 'forum', 'prv', 'avatar-date', 'url', 'nurl', 'unsearchable',
795 'photo', 'thumb', 'micro', 'header', 'addr', 'request', 'notify', 'poll', 'confirm', 'poco', 'network'
797 $self = DBA::selectFirst('contact', $fields, ['uid' => $uid, 'self' => true]);
798 if (!DBA::isResult($self)) {
802 $fields = ['uid', 'nickname', 'page-flags', 'account-type', 'prvkey', 'pubkey'];
803 $user = DBA::selectFirst('user', $fields, ['uid' => $uid, 'account_expired' => false]);
804 if (!DBA::isResult($user)) {
809 'name', 'photo', 'thumb', 'about', 'address', 'locality', 'region',
810 'country-name', 'pub_keywords', 'xmpp', 'matrix', 'net-publish'
812 $profile = DBA::selectFirst('profile', $fields, ['uid' => $uid]);
813 if (!DBA::isResult($profile)) {
817 $file_suffix = 'jpg';
818 $url = DI::baseUrl() . '/profile/' . $user['nickname'];
821 'name' => $profile['name'],
822 'nick' => $user['nickname'],
823 'avatar-date' => $self['avatar-date'],
824 'location' => Profile::formatLocation($profile),
825 'about' => $profile['about'],
826 'keywords' => $profile['pub_keywords'],
827 'contact-type' => $user['account-type'],
828 'prvkey' => $user['prvkey'],
829 'pubkey' => $user['pubkey'],
830 'xmpp' => $profile['xmpp'],
831 'matrix' => $profile['matrix'],
832 'network' => Protocol::DFRN,
834 // it seems as if ported accounts can have wrong values, so we make sure that now everything is fine.
835 'nurl' => Strings::normaliseLink($url),
836 'uri-id' => ItemURI::getIdByURI($url),
837 'addr' => $user['nickname'] . '@' . substr(DI::baseUrl(), strpos(DI::baseUrl(), '://') + 3),
838 'request' => DI::baseUrl() . '/dfrn_request/' . $user['nickname'],
839 'notify' => DI::baseUrl() . '/dfrn_notify/' . $user['nickname'],
840 'poll' => DI::baseUrl() . '/dfrn_poll/' . $user['nickname'],
841 'confirm' => DI::baseUrl() . '/dfrn_confirm/' . $user['nickname'],
845 $avatar = Photo::selectFirst(['resource-id', 'type'], ['uid' => $uid, 'profile' => true]);
846 if (DBA::isResult($avatar)) {
847 if ($update_avatar) {
848 $fields['avatar-date'] = DateTimeFormat::utcNow();
851 // Creating the path to the avatar, beginning with the file suffix
852 $types = Images::supportedTypes();
853 if (isset($types[$avatar['type']])) {
854 $file_suffix = $types[$avatar['type']];
857 // We are adding a timestamp value so that other systems won't use cached content
858 $timestamp = strtotime($fields['avatar-date']);
860 $prefix = DI::baseUrl() . '/photo/' . $avatar['resource-id'] . '-';
861 $suffix = '.' . $file_suffix . '?ts=' . $timestamp;
863 $fields['photo'] = $prefix . '4' . $suffix;
864 $fields['thumb'] = $prefix . '5' . $suffix;
865 $fields['micro'] = $prefix . '6' . $suffix;
867 // We hadn't found a photo entry, so we use the default avatar
868 $fields['photo'] = self::getDefaultAvatar($fields, Proxy::SIZE_SMALL);
869 $fields['thumb'] = self::getDefaultAvatar($fields, Proxy::SIZE_THUMB);
870 $fields['micro'] = self::getDefaultAvatar($fields, Proxy::SIZE_MICRO);
873 $fields['avatar'] = User::getAvatarUrl($user);
874 $fields['header'] = User::getBannerUrl($user);
875 $fields['forum'] = $user['page-flags'] == User::PAGE_FLAGS_COMMUNITY;
876 $fields['prv'] = $user['page-flags'] == User::PAGE_FLAGS_PRVGROUP;
877 $fields['unsearchable'] = !$profile['net-publish'];
878 $fields['manually-approve'] = in_array($user['page-flags'], [User::PAGE_FLAGS_NORMAL, User::PAGE_FLAGS_PRVGROUP]);
882 foreach ($fields as $field => $content) {
883 if ($self[$field] != $content) {
889 if ($fields['name'] != $self['name']) {
890 $fields['name-date'] = DateTimeFormat::utcNow();
892 $fields['updated'] = DateTimeFormat::utcNow();
893 self::update($fields, ['id' => $self['id']]);
895 // Update the other contacts as well
896 unset($fields['prvkey']);
897 $fields['self'] = false;
898 self::update($fields, ['uri-id' => $self['uri-id'], 'self' => false]);
900 // Update the profile
902 'photo' => User::getAvatarUrl($user),
903 'thumb' => User::getAvatarUrl($user, Proxy::SIZE_THUMB)
906 DBA::update('profile', $fields, ['uid' => $uid]);
913 * Marks a contact for removal
915 * @param int $id contact id
917 * @throws HTTPException\InternalServerErrorException
919 public static function remove(int $id)
921 // We want just to make sure that we don't delete our "self" contact
922 $contact = DBA::selectFirst('contact', ['uri-id', 'photo', 'thumb', 'micro', 'uid'], ['id' => $id, 'self' => false]);
923 if (!DBA::isResult($contact)) {
927 DBA::delete('account-user', ['id' => $id]);
929 self::clearFollowerFollowingEndpointCache($contact['uid']);
931 // Archive the contact
932 self::update(['archive' => true, 'network' => Protocol::PHANTOM, 'rel' => self::NOTHING, 'deleted' => true], ['id' => $id]);
934 if (!DBA::exists('contact', ['uri-id' => $contact['uri-id'], 'deleted' => false])) {
935 Avatar::deleteCache($contact);
938 // Delete it in the background
939 Worker::add(Worker::PRIORITY_MEDIUM, 'Contact\Remove', $id);
943 * Unfollow the remote contact
945 * @param array $contact Target user-specific contact (uid != 0) array
947 * @throws HTTPException\InternalServerErrorException
948 * @throws \ImagickException
950 public static function unfollow(array $contact): void
952 if (empty($contact['network'])) {
953 throw new \InvalidArgumentException('Empty network in contact array');
956 if (empty($contact['uid'])) {
957 throw new \InvalidArgumentException('Unexpected public contact record');
960 if (in_array($contact['rel'], [self::SHARING, self::FRIEND])) {
961 $cdata = self::getPublicAndUserContactID($contact['id'], $contact['uid']);
962 if (!empty($cdata['public'])) {
963 Worker::add(Worker::PRIORITY_HIGH, 'Contact\Unfollow', $cdata['public'], $contact['uid']);
967 self::removeSharer($contact);
971 * Revoke follow privileges of the remote user contact
973 * The local relationship is updated immediately, the eventual remote server is messaged in the background.
975 * @param array $contact User-specific contact array (uid != 0) to revoke the follow from
977 * @throws HTTPException\InternalServerErrorException
978 * @throws \ImagickException
980 public static function revokeFollow(array $contact): void
982 if (empty($contact['network'])) {
983 throw new \InvalidArgumentException('Empty network in contact array');
986 if (empty($contact['uid'])) {
987 throw new \InvalidArgumentException('Unexpected public contact record');
990 if (in_array($contact['rel'], [self::FOLLOWER, self::FRIEND])) {
991 $cdata = self::getPublicAndUserContactID($contact['id'], $contact['uid']);
992 if (!empty($cdata['public'])) {
993 Worker::add(Worker::PRIORITY_HIGH, 'Contact\RevokeFollow', $cdata['public'], $contact['uid']);
997 self::removeFollower($contact);
1001 * Completely severs a relationship with a contact
1003 * @param array $contact User-specific contact (uid != 0) array
1005 * @throws HTTPException\InternalServerErrorException
1006 * @throws \ImagickException
1008 public static function terminateFriendship(array $contact)
1010 if (empty($contact['network'])) {
1011 throw new \InvalidArgumentException('Empty network in contact array');
1014 if (empty($contact['uid'])) {
1015 throw new \InvalidArgumentException('Unexpected public contact record');
1018 $cdata = self::getPublicAndUserContactID($contact['id'], $contact['uid']);
1020 if (in_array($contact['rel'], [self::SHARING, self::FRIEND]) && !empty($cdata['public'])) {
1021 Worker::add(Worker::PRIORITY_HIGH, 'Contact\Unfollow', $cdata['public'], $contact['uid']);
1024 if (in_array($contact['rel'], [self::FOLLOWER, self::FRIEND]) && !empty($cdata['public'])) {
1025 Worker::add(Worker::PRIORITY_HIGH, 'Contact\RevokeFollow', $cdata['public'], $contact['uid']);
1028 self::remove($contact['id']);
1031 private static function clearFollowerFollowingEndpointCache(int $uid)
1037 DI::cache()->delete(ActivityPub\Transmitter::CACHEKEY_CONTACTS . 'followers:' . $uid);
1038 DI::cache()->delete(ActivityPub\Transmitter::CACHEKEY_CONTACTS . 'following:' . $uid);
1042 * Marks a contact for archival after a communication issue delay
1044 * Contact has refused to recognise us as a friend. We will start a countdown.
1045 * If they still don't recognise us in 32 days, the relationship is over,
1046 * and we won't waste any more time trying to communicate with them.
1047 * This provides for the possibility that their database is temporarily messed
1048 * up or some other transient event and that there's a possibility we could recover from it.
1050 * @param array $contact contact to mark for archival
1052 * @throws HTTPException\InternalServerErrorException
1054 public static function markForArchival(array $contact)
1056 if (!isset($contact['url']) && !empty($contact['id'])) {
1057 $fields = ['id', 'url', 'archive', 'self', 'term-date'];
1058 $contact = DBA::selectFirst('contact', $fields, ['id' => $contact['id']]);
1059 if (!DBA::isResult($contact)) {
1062 } elseif (!isset($contact['url'])) {
1063 Logger::info('Empty contact', ['contact' => $contact, 'callstack' => System::callstack(20)]);
1066 Logger::info('Contact is marked for archival', ['id' => $contact['id'], 'term-date' => $contact['term-date']]);
1068 // Contact already archived or "self" contact? => nothing to do
1069 if ($contact['archive'] || $contact['self']) {
1073 if ($contact['term-date'] <= DBA::NULL_DATETIME) {
1074 self::update(['term-date' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
1075 self::update(['term-date' => DateTimeFormat::utcNow()], ['`nurl` = ? AND `term-date` <= ? AND NOT `self`', Strings::normaliseLink($contact['url']), DBA::NULL_DATETIME]);
1078 * We really should send a notification to the owner after 2-3 weeks
1079 * so they won't be surprised when the contact vanishes and can take
1080 * remedial action if this was a serious mistake or glitch
1083 /// @todo Check for contact vitality via probing
1084 $archival_days = DI::config()->get('system', 'archival_days', 32);
1086 $expiry = $contact['term-date'] . ' + ' . $archival_days . ' days ';
1087 if (DateTimeFormat::utcNow() > DateTimeFormat::utc($expiry)) {
1088 /* Relationship is really truly dead. archive them rather than
1089 * delete, though if the owner tries to unarchive them we'll start
1090 * the whole process over again.
1092 self::update(['archive' => true], ['id' => $contact['id']]);
1093 self::update(['archive' => true], ['nurl' => Strings::normaliseLink($contact['url']), 'self' => false]);
1099 * Cancels the archival countdown
1101 * @see Contact::markForArchival()
1103 * @param array $contact contact to be unmarked for archival
1105 * @throws \Exception
1107 public static function unmarkForArchival(array $contact)
1109 // Always unarchive the relay contact entry
1110 if (!empty($contact['batch']) && !empty($contact['term-date']) && ($contact['term-date'] > DBA::NULL_DATETIME)) {
1111 $fields = ['failed' => false, 'term-date' => DBA::NULL_DATETIME, 'archive' => false];
1112 $condition = ['uid' => 0, 'network' => Protocol::FEDERATED, 'batch' => $contact['batch'], 'contact-type' => self::TYPE_RELAY];
1113 if (!DBA::exists('contact', array_merge($condition, $fields))) {
1114 self::update($fields, $condition);
1118 $condition = ['`id` = ? AND (`term-date` > ? OR `archive`)', $contact['id'], DBA::NULL_DATETIME];
1119 $exists = DBA::exists('contact', $condition);
1121 // We don't need to update, we never marked this contact for archival
1126 Logger::info('Contact is marked as vital again', ['id' => $contact['id'], 'term-date' => $contact['term-date']]);
1128 if (!isset($contact['url']) && !empty($contact['id'])) {
1129 $fields = ['id', 'url', 'batch'];
1130 $contact = DBA::selectFirst('contact', $fields, ['id' => $contact['id']]);
1131 if (!DBA::isResult($contact)) {
1136 // It's a miracle. Our dead contact has inexplicably come back to life.
1137 $fields = ['failed' => false, 'term-date' => DBA::NULL_DATETIME, 'archive' => false];
1138 self::update($fields, ['id' => $contact['id']]);
1139 self::update($fields, ['nurl' => Strings::normaliseLink($contact['url']), 'self' => false]);
1143 * Returns the data array for the photo menu of a given contact
1145 * @param array $contact contact
1146 * @param int $uid Visitor user id
1148 * @throws HTTPException\InternalServerErrorException
1149 * @throws \ImagickException
1151 public static function photoMenu(array $contact, int $uid): array
1153 // Anonymous visitor
1155 return ['profile' => [DI::l10n()->t('View Profile'), self::magicLinkByContact($contact), true]];
1162 if (($contact['network'] === Protocol::DFRN) && !$contact['self'] && empty($contact['pending'])) {
1163 $profile_link = 'contact/redir/' . $contact['id'];
1164 $status_link = $profile_link . '?' . http_build_query(['url' => $contact['url'] . '/status']);
1165 $photos_link = $profile_link . '?' . http_build_query(['url' => $contact['url'] . '/photos']);
1166 $profile_link = $profile_link . '?' . http_build_query(['url' => $contact['url'] . '/profile']);
1168 $profile_link = $contact['url'];
1171 if ($profile_link === 'mailbox') {
1175 if (self::canReceivePrivateMessages($contact) && empty($contact['pending'])) {
1176 $pm_url = 'message/new/' . $contact['id'];
1179 $contact_url = 'contact/' . $contact['id'];
1180 $posts_link = 'contact/' . $contact['id'] . '/conversations';
1183 $unfollow_link = '';
1184 if (!$contact['self'] && Protocol::supportsFollow($contact['network'])) {
1185 if ($contact['uid'] && in_array($contact['rel'], [self::SHARING, self::FRIEND])) {
1186 $unfollow_link = 'contact/unfollow?url=' . urlencode($contact['url']) . '&auto=1';
1187 } elseif (!$contact['pending']) {
1188 $follow_link = 'contact/follow?url=' . urlencode($contact['url']) . '&auto=1';
1194 * "name" => [ "Label", "link", (bool)Should the link opened in a new tab? ]
1196 if (empty($contact['uid'])) {
1198 'profile' => [DI::l10n()->t('View Profile'), $profile_link, true],
1199 'network' => [DI::l10n()->t('Network Posts'), $posts_link, false],
1200 'edit' => [DI::l10n()->t('View Contact'), $contact_url, false],
1201 'follow' => [DI::l10n()->t('Connect/Follow'), $follow_link, true],
1202 'unfollow' => [DI::l10n()->t('Unfollow'), $unfollow_link, true],
1206 'status' => [DI::l10n()->t('View Status'), $status_link, true],
1207 'profile' => [DI::l10n()->t('View Profile'), $profile_link, true],
1208 'photos' => [DI::l10n()->t('View Photos'), $photos_link, true],
1209 'network' => [DI::l10n()->t('Network Posts'), $posts_link, false],
1210 'edit' => [DI::l10n()->t('View Contact'), $contact_url, false],
1211 'pm' => [DI::l10n()->t('Send PM'), $pm_url, false],
1212 'follow' => [DI::l10n()->t('Connect/Follow'), $follow_link, true],
1213 'unfollow' => [DI::l10n()->t('Unfollow'), $unfollow_link, true],
1216 if (!empty($contact['pending'])) {
1218 $intro = DI::intro()->selectForContact($contact['id']);
1219 $menu['follow'] = [DI::l10n()->t('Approve'), 'notifications/intros/' . $intro->id, true];
1220 } catch (IntroductionNotFoundException $exception) {
1221 DI::logger()->error('Pending contact doesn\'t have an introduction.', ['exception' => $exception]);
1226 $args = ['contact' => $contact, 'menu' => &$menu];
1228 Hook::callAll('contact_photo_menu', $args);
1230 $menucondensed = [];
1232 foreach ($menu as $menuname => $menuitem) {
1233 if ($menuitem[1] != '') {
1234 $menucondensed[$menuname] = $menuitem;
1238 return $menucondensed;
1242 * Fetch the contact id for a given URL and user
1244 * First lookup in the contact table to find a record matching either `url`, `nurl`,
1245 * `addr` or `alias`.
1247 * If there's no record and we aren't looking for a public contact, we quit.
1248 * If there's one, we check that it isn't time to update the picture else we
1249 * directly return the found contact id.
1251 * Second, we probe the provided $url whether it's http://server.tld/profile or
1252 * nick@server.tld. We quit if we can't get any info back.
1254 * Third, we create the contact record if it doesn't exist
1256 * Fourth, we update the existing record with the new data (avatar, alias, nick)
1257 * if there's any updates
1259 * @param string $url Contact URL
1260 * @param integer $uid The user id for the contact (0 = public contact)
1261 * @param boolean $update true = always update, false = never update, null = update when not found
1262 * @param array $default Default value for creating the contact when everything else fails
1264 * @return integer Contact ID
1265 * @throws HTTPException\InternalServerErrorException
1266 * @throws \ImagickException
1268 public static function getIdForURL(string $url = null, int $uid = 0, $update = null, array $default = []): int
1273 Logger::notice('Empty url, quitting', ['url' => $url, 'user' => $uid, 'default' => $default]);
1277 $contact = self::getByURL($url, false, ['id', 'network', 'uri-id', 'next-update', 'local-data'], $uid);
1279 if (!empty($contact)) {
1280 $contact_id = $contact['id'];
1282 $background_update = DI::config()->get('system', 'update_active_contacts') ? $contact['local-data'] : true;
1284 if ($background_update && !self::isLocal($url) && Protocol::supportsProbe($contact['network']) && ($contact['next-update'] < DateTimeFormat::utcNow())) {
1286 UpdateContact::add(['priority' => Worker::PRIORITY_LOW, 'dont_fork' => true], $contact['id']);
1287 } catch (\InvalidArgumentException $e) {
1288 Logger::notice($e->getMessage(), ['contact' => $contact]);
1292 if (empty($update) && (!empty($contact['uri-id']) || is_bool($update))) {
1293 Logger::debug('Contact found', ['url' => $url, 'uid' => $uid, 'update' => $update, 'cid' => $contact_id]);
1296 } elseif ($uid != 0) {
1297 Logger::debug('Contact does not exist for the user', ['url' => $url, 'uid' => $uid, 'update' => $update]);
1299 } elseif (empty($default) && !is_null($update) && !$update) {
1300 Logger::info('Contact not found, update not desired', ['url' => $url, 'uid' => $uid, 'update' => $update]);
1306 if (empty($default['network']) || $update) {
1307 $data = Probe::uri($url, '', $uid);
1309 // Take the default values when probing failed
1310 if (!empty($default) && !in_array($data['network'], array_merge(Protocol::NATIVE_SUPPORT, [Protocol::PUMPIO]))) {
1311 $data = array_merge($data, $default);
1313 } elseif (!empty($default['network'])) {
1317 if (($uid == 0) && (empty($data['network']) || ($data['network'] == Protocol::PHANTOM))) {
1318 // Fetch data for the public contact via the first found personal contact
1319 /// @todo Check if this case can happen at all (possibly with mail accounts?)
1321 'name', 'nick', 'url', 'addr', 'alias', 'avatar', 'header', 'contact-type',
1322 'keywords', 'location', 'about', 'unsearchable', 'batch', 'notify', 'poll',
1323 'request', 'confirm', 'poco', 'subscribe', 'network', 'baseurl', 'gsid'
1326 $personal_contact = DBA::selectFirst('contact', $fields, ["`addr` = ? AND `uid` != 0", $url]);
1327 if (!DBA::isResult($personal_contact)) {
1328 $personal_contact = DBA::selectFirst('contact', $fields, ["`nurl` = ? AND `uid` != 0", Strings::normaliseLink($url)]);
1331 if (DBA::isResult($personal_contact)) {
1332 Logger::info('Take contact data from personal contact', ['url' => $url, 'update' => $update, 'contact' => $personal_contact, 'callstack' => System::callstack(20)]);
1333 $data = $personal_contact;
1334 $data['photo'] = $personal_contact['avatar'];
1335 $data['account-type'] = $personal_contact['contact-type'];
1336 $data['hide'] = $personal_contact['unsearchable'];
1337 unset($data['avatar']);
1338 unset($data['contact-type']);
1339 unset($data['unsearchable']);
1343 if (empty($data['network']) || ($data['network'] == Protocol::PHANTOM)) {
1344 Logger::notice('No valid network found', ['url' => $url, 'uid' => $uid, 'default' => $default, 'update' => $update, 'callstack' => System::callstack(20)]);
1348 if (!$contact_id && !empty($data['account-type']) && $data['account-type'] == User::ACCOUNT_TYPE_DELETED) {
1349 Logger::info('Contact is a tombstone. It will not be inserted', ['url' => $url, 'uid' => $uid]);
1354 $urls = [Strings::normaliseLink($url), Strings::normaliseLink($data['url'])];
1355 if (!empty($data['alias'])) {
1356 $urls[] = Strings::normaliseLink($data['alias']);
1358 $contact = self::selectFirst(['id'], ['nurl' => $urls, 'uid' => $uid]);
1359 if (!empty($contact['id'])) {
1360 $contact_id = $contact['id'];
1361 Logger::info('Fetched id by url', ['cid' => $contact_id, 'uid' => $uid, 'url' => $url, 'data' => $data]);
1366 // We only insert the basic data. The rest will be done in "updateFromProbeArray"
1369 'url' => $data['url'],
1370 'nurl' => Strings::normaliseLink($data['url']),
1371 'network' => $data['network'],
1372 'created' => DateTimeFormat::utcNow(),
1373 'rel' => self::SHARING,
1380 $condition = ['nurl' => Strings::normaliseLink($data['url']), 'uid' => $uid, 'deleted' => false];
1382 // Before inserting we do check if the entry does exist now.
1383 $contact = DBA::selectFirst('contact', ['id'], $condition, ['order' => ['id']]);
1384 if (DBA::isResult($contact)) {
1385 $contact_id = $contact['id'];
1386 Logger::notice('Contact had been created (shortly) before', ['id' => $contact_id, 'url' => $url, 'uid' => $uid]);
1388 $contact_id = self::insert($fields);
1390 Logger::info('Contact inserted', ['id' => $contact_id, 'url' => $url, 'uid' => $uid]);
1395 Logger::warning('Contact was not inserted', ['url' => $url, 'uid' => $uid]);
1399 Logger::info('Contact will be updated', ['url' => $url, 'uid' => $uid, 'update' => $update, 'cid' => $contact_id]);
1402 if ($data['network'] == Protocol::DIASPORA) {
1404 DI::dsprContact()->updateFromProbeArray($data);
1405 } catch (HTTPException\NotFoundException $e) {
1406 Logger::notice($e->getMessage(), ['url' => $url, 'data' => $data]);
1407 } catch (\InvalidArgumentException $e) {
1408 Logger::notice($e->getMessage(), ['url' => $url, 'data' => $data]);
1410 } elseif (!empty($data['networks'][Protocol::DIASPORA])) {
1412 DI::dsprContact()->updateFromProbeArray($data['networks'][Protocol::DIASPORA]);
1413 } catch (HTTPException\NotFoundException $e) {
1414 Logger::notice($e->getMessage(), ['url' => $url, 'data' => $data['networks'][Protocol::DIASPORA]]);
1415 } catch (\InvalidArgumentException $e) {
1416 Logger::notice($e->getMessage(), ['url' => $url, 'data' => $data['networks'][Protocol::DIASPORA]]);
1420 self::updateFromProbeArray($contact_id, $data);
1422 // Don't return a number for a deleted account
1423 if (!empty($data['account-type']) && $data['account-type'] == User::ACCOUNT_TYPE_DELETED) {
1424 Logger::info('Contact is a tombstone', ['url' => $url, 'uid' => $uid]);
1432 * Checks if the contact is archived
1434 * @param int $cid contact id
1436 * @return boolean Is the contact archived?
1437 * @throws HTTPException\InternalServerErrorException
1439 public static function isArchived(int $cid): bool
1445 $contact = DBA::selectFirst('contact', ['archive', 'url', 'batch'], ['id' => $cid]);
1446 if (!DBA::isResult($contact)) {
1450 if ($contact['archive']) {
1454 // Check status of ActivityPub endpoints
1455 $apcontact = APContact::getByURL($contact['url'], false);
1456 if (!empty($apcontact)) {
1457 if (!empty($apcontact['inbox']) && DBA::exists('inbox-status', ['archive' => true, 'url' => $apcontact['inbox']])) {
1461 if (!empty($apcontact['sharedinbox']) && DBA::exists('inbox-status', ['archive' => true, 'url' => $apcontact['sharedinbox']])) {
1466 // Check status of Diaspora endpoints
1467 if (!empty($contact['batch'])) {
1468 $condition = ['archive' => true, 'uid' => 0, 'network' => Protocol::FEDERATED, 'batch' => $contact['batch'], 'contact-type' => self::TYPE_RELAY];
1469 return DBA::exists('contact', $condition);
1476 * Checks if the contact is blocked
1478 * @param int $cid contact id
1479 * @return boolean Is the contact blocked?
1480 * @throws HTTPException\InternalServerErrorException
1482 public static function isBlocked(int $cid): bool
1488 $blocked = DBA::selectFirst('contact', ['blocked', 'url'], ['id' => $cid]);
1489 if (!DBA::isResult($blocked)) {
1493 if (Network::isUrlBlocked($blocked['url'])) {
1497 return (bool) $blocked['blocked'];
1501 * Checks if the contact is hidden
1503 * @param int $cid contact id
1504 * @return boolean Is the contact hidden?
1505 * @throws \Exception
1507 public static function isHidden(int $cid): bool
1513 $hidden = DBA::selectFirst('contact', ['hidden'], ['id' => $cid]);
1514 if (!DBA::isResult($hidden)) {
1517 return (bool) $hidden['hidden'];
1521 * Returns posts from a given contact url
1523 * @param string $contact_url Contact URL
1524 * @param bool $thread_mode
1525 * @param int $update Update mode
1526 * @param int $parent Item parent ID for the update mode
1527 * @param bool $only_media Only display media content
1528 * @return string posts in HTML
1529 * @throws \Exception
1531 public static function getPostsFromUrl(string $contact_url, bool $thread_mode = false, int $update = 0, int $parent = 0, bool $only_media = false): string
1533 return self::getPostsFromId(self::getIdForURL($contact_url), $thread_mode, $update, $parent, $only_media);
1537 * Returns posts from a given contact id
1539 * @param int $cid Contact ID
1540 * @param bool $thread_mode
1541 * @param int $update Update mode
1542 * @param int $parent Item parent ID for the update mode
1543 * @param bool $only_media Only display media content
1544 * @return string posts in HTML
1545 * @throws \Exception
1547 public static function getPostsFromId(int $cid, bool $thread_mode = false, int $update = 0, int $parent = 0, bool $only_media = false): string
1549 $contact = DBA::selectFirst('contact', ['contact-type', 'network'], ['id' => $cid]);
1550 if (!DBA::isResult($contact)) {
1554 if (empty($contact["network"]) || in_array($contact["network"], Protocol::FEDERATED)) {
1555 $sql = "(`uid` = 0 OR (`uid` = ? AND NOT `global`))";
1560 $contact_field = ((($contact["contact-type"] == self::TYPE_COMMUNITY) || ($contact['network'] == Protocol::MAIL)) ? 'owner-id' : 'author-id');
1564 "((`$contact_field` = ? AND `gravity` = ?) OR (`author-id` = ? AND `gravity` = ? AND `vid` = ? AND `protocol` != ? AND `thr-parent-id` = `parent-uri-id`)) AND " . $sql,
1565 $cid, Item::GRAVITY_PARENT, $cid, Item::GRAVITY_ACTIVITY, Verb::getID(Activity::ANNOUNCE), Conversation::PARCEL_DIASPORA, DI::userSession()->getLocalUserId()
1569 "`$contact_field` = ? AND `gravity` IN (?, ?) AND " . $sql,
1570 $cid, Item::GRAVITY_PARENT, Item::GRAVITY_COMMENT, DI::userSession()->getLocalUserId()
1574 if (!empty($parent)) {
1575 $condition = DBA::mergeConditions($condition, ['parent' => $parent]);
1577 $last_received = isset($_GET['last_received']) ? DateTimeFormat::utc($_GET['last_received']) : '';
1578 if (!empty($last_received)) {
1579 $condition = DBA::mergeConditions($condition, ["`received` < ?", $last_received]);
1584 $condition = DBA::mergeConditions($condition, [
1585 "`uri-id` IN (SELECT `uri-id` FROM `post-media` WHERE `type` IN (?, ?, ?))",
1586 Post\Media::AUDIO, Post\Media::IMAGE, Post\Media::VIDEO
1590 if (DI::mode()->isMobile()) {
1591 $itemsPerPage = DI::pConfig()->get(
1592 DI::userSession()->getLocalUserId(),
1594 'itemspage_mobile_network',
1595 DI::config()->get('system', 'itemspage_network_mobile')
1598 $itemsPerPage = DI::pConfig()->get(
1599 DI::userSession()->getLocalUserId(),
1601 'itemspage_network',
1602 DI::config()->get('system', 'itemspage_network')
1606 $pager = new Pager(DI::l10n(), DI::args()->getQueryString(), $itemsPerPage);
1608 $params = ['order' => ['received' => true], 'limit' => [$pager->getStart(), $pager->getItemsPerPage()]];
1610 if (DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'infinite_scroll')) {
1611 $tpl = Renderer::getMarkupTemplate('infinite_scroll_head.tpl');
1612 $o = Renderer::replaceMacros($tpl, ['$reload_uri' => DI::args()->getQueryString()]);
1618 $fields = ['uri-id', 'thr-parent-id', 'gravity', 'author-id', 'commented'];
1619 $items = Post::toArray(Post::selectForUser(DI::userSession()->getLocalUserId(), $fields, $condition, $params));
1621 if ($pager->getStart() == 0) {
1622 $cdata = self::getPublicAndUserContactID($cid, DI::userSession()->getLocalUserId());
1623 if (!empty($cdata['public'])) {
1624 $pinned = Post\Collection::selectToArrayForContact($cdata['public'], Post\Collection::FEATURED, $fields);
1625 $items = array_merge($items, $pinned);
1629 $o .= DI::conversation()->create($items, ConversationContent::MODE_CONTACTS, $update, false, 'pinned_commented', DI::userSession()->getLocalUserId());
1631 $fields = array_merge(Item::DISPLAY_FIELDLIST, ['featured']);
1632 $items = Post::toArray(Post::selectForUser(DI::userSession()->getLocalUserId(), $fields, $condition, $params));
1634 if ($pager->getStart() == 0) {
1635 $cdata = self::getPublicAndUserContactID($cid, DI::userSession()->getLocalUserId());
1636 if (!empty($cdata['public'])) {
1638 "`uri-id` IN (SELECT `uri-id` FROM `collection-view` WHERE `cid` = ? AND `type` = ?)",
1639 $cdata['public'], Post\Collection::FEATURED
1641 $pinned = Post::toArray(Post::selectForUser(DI::userSession()->getLocalUserId(), $fields, $condition, $params));
1642 $items = array_merge($pinned, $items);
1646 $o .= DI::conversation()->create($items, ConversationContent::MODE_CONTACT_POSTS, $update);
1650 if (DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'infinite_scroll')) {
1651 $o .= HTML::scrollLoader();
1653 $o .= $pager->renderMinimal(count($items));
1661 * Returns the account type name
1663 * The function can be called with either the user or the contact array
1665 * @param int $type type of contact or account
1668 public static function getAccountType(int $type): string
1671 case self::TYPE_ORGANISATION:
1672 $account_type = DI::l10n()->t("Organisation");
1675 case self::TYPE_NEWS:
1676 $account_type = DI::l10n()->t('News');
1679 case self::TYPE_COMMUNITY:
1680 $account_type = DI::l10n()->t("Group");
1688 return $account_type;
1694 * @param int $cid Contact id to block
1695 * @param string $reason Block reason
1696 * @return bool Whether it was successful
1698 public static function block(int $cid, string $reason = null): bool
1700 $return = self::update(['blocked' => true, 'block_reason' => $reason], ['id' => $cid]);
1706 * Unblocks a contact
1708 * @param int $cid Contact id to unblock
1709 * @return bool Whether it was successful
1711 public static function unblock(int $cid): bool
1713 $return = self::update(['blocked' => false, 'block_reason' => null], ['id' => $cid]);
1719 * Ensure that cached avatar exist
1721 * @param integer $cid Contact id
1723 public static function checkAvatarCache(int $cid)
1725 $contact = DBA::selectFirst('contact', ['url', 'network', 'avatar', 'photo', 'thumb', 'micro'], ['id' => $cid, 'uid' => 0, 'self' => false]);
1726 if (!DBA::isResult($contact)) {
1730 if (Network::isLocalLink($contact['url'])) {
1734 if (in_array($contact['network'], [Protocol::FEED, Protocol::MAIL]) || DI::config()->get('system', 'cache_contact_avatar')) {
1735 if (!empty($contact['avatar']) && (empty($contact['photo']) || empty($contact['thumb']) || empty($contact['micro']))) {
1736 Logger::info('Adding avatar cache', ['id' => $cid, 'contact' => $contact]);
1737 self::updateAvatar($cid, $contact['avatar'], true);
1740 } elseif (Photo::isPhotoURI($contact['photo']) || Photo::isPhotoURI($contact['thumb']) || Photo::isPhotoURI($contact['micro'])) {
1741 Logger::info('Replacing legacy avatar cache', ['id' => $cid, 'contact' => $contact]);
1742 self::updateAvatar($cid, $contact['avatar'], true);
1744 } elseif (DI::config()->get('system', 'avatar_cache') && (empty($contact['photo']) || empty($contact['thumb']) || empty($contact['micro']))) {
1745 Logger::info('Adding avatar cache file', ['id' => $cid, 'contact' => $contact]);
1746 self::updateAvatar($cid, $contact['avatar'], true);
1752 * Return the photo path for a given contact array in the given size
1754 * @param array $contact contact array
1755 * @param string $size Size of the avatar picture
1756 * @param bool $no_update Don't perform an update if no cached avatar was found
1757 * @return string photo path
1759 private static function getAvatarPath(array $contact, string $size, bool $no_update = false): string
1761 $contact = self::checkAvatarCacheByArray($contact, $no_update);
1763 if (DI::config()->get('system', 'avatar_cache')) {
1765 case Proxy::SIZE_MICRO:
1766 if (!empty($contact['micro']) && !Photo::isPhotoURI($contact['micro'])) {
1767 return $contact['micro'];
1770 case Proxy::SIZE_THUMB:
1771 if (!empty($contact['thumb']) && !Photo::isPhotoURI($contact['thumb'])) {
1772 return $contact['thumb'];
1775 case Proxy::SIZE_SMALL:
1776 if (!empty($contact['photo']) && !Photo::isPhotoURI($contact['photo'])) {
1777 return $contact['photo'];
1783 return self::getAvatarUrlForId($contact['id'] ?? 0, $size, $contact['updated'] ?? '');
1787 * Return the photo path for a given contact array
1789 * @param array $contact Contact array
1790 * @param bool $no_update Don't perform an update if no cached avatar was found
1791 * @return string photo path
1793 public static function getPhoto(array $contact, bool $no_update = false): string
1795 return self::getAvatarPath($contact, Proxy::SIZE_SMALL, $no_update);
1799 * Return the photo path (thumb size) for a given contact array
1801 * @param array $contact Contact array
1802 * @param bool $no_update Don't perform an update if no cached avatar was found
1803 * @return string photo path
1805 public static function getThumb(array $contact, bool $no_update = false): string
1807 return self::getAvatarPath($contact, Proxy::SIZE_THUMB, $no_update);
1811 * Return the photo path (micro size) for a given contact array
1813 * @param array $contact Contact array
1814 * @param bool $no_update Don't perform an update if no cached avatar was found
1815 * @return string photo path
1817 public static function getMicro(array $contact, bool $no_update = false): string
1819 return self::getAvatarPath($contact, Proxy::SIZE_MICRO, $no_update);
1823 * Check the given contact array for avatar cache fields
1825 * @param array $contact
1826 * @param bool $no_update Don't perform an update if no cached avatar was found
1827 * @return array contact array with avatar cache fields
1829 private static function checkAvatarCacheByArray(array $contact, bool $no_update = false): array
1832 $contact_fields = [];
1833 $fields = ['photo', 'thumb', 'micro'];
1834 foreach ($fields as $field) {
1835 if (isset($contact[$field])) {
1836 $contact_fields[] = $field;
1838 if (isset($contact[$field]) && empty($contact[$field])) {
1843 if (!$update || $no_update) {
1847 $local = !empty($contact['url']) && Network::isLocalLink($contact['url']);
1849 if (!$local && !empty($contact['id']) && !empty($contact['avatar'])) {
1850 self::updateAvatar($contact['id'], $contact['avatar'], true);
1852 $new_contact = self::getById($contact['id'], $contact_fields);
1853 if (DBA::isResult($new_contact)) {
1854 // We only update the cache fields
1855 $contact = array_merge($contact, $new_contact);
1857 } elseif ($local && !empty($contact['avatar'])) {
1861 /// add the default avatars if the fields aren't filled
1862 if (isset($contact['photo']) && empty($contact['photo'])) {
1863 $contact['photo'] = self::getDefaultAvatar($contact, Proxy::SIZE_SMALL);
1865 if (isset($contact['thumb']) && empty($contact['thumb'])) {
1866 $contact['thumb'] = self::getDefaultAvatar($contact, Proxy::SIZE_THUMB);
1868 if (isset($contact['micro']) && empty($contact['micro'])) {
1869 $contact['micro'] = self::getDefaultAvatar($contact, Proxy::SIZE_MICRO);
1876 * Fetch the default header for the given contact
1878 * @param array $contact contact array
1879 * @return string avatar URL
1881 public static function getDefaultHeader(array $contact): string
1883 if (!empty($contact['header'])) {
1884 return $contact['header'];
1887 if (!empty($contact['gsid'])) {
1888 // Use default banners for certain platforms
1889 $gserver = DBA::selectFirst('gserver', ['platform'], ['id' => $contact['gsid']]);
1890 $platform = strtolower($gserver['platform'] ?? '');
1895 switch ($platform) {
1900 * @author Lostinlight <https://mastodon.xyz/@lightone>
1901 * @license CC0 https://creativecommons.org/share-your-work/public-domain/cc0/
1902 * @link https://gitlab.com/lostinlight/per_aspera_ad_astra/-/blob/master/friendica-404/friendica-promo-bubbles.jpg
1904 $header = DI::baseUrl() . '/images/friendica-banner.jpg';
1909 * @author John Liu <https://www.flickr.com/photos/8047705@N02/>
1910 * @license CC BY 2.0 https://creativecommons.org/licenses/by/2.0/
1911 * @link https://www.flickr.com/photos/8047705@N02/5572197407
1913 $header = DI::baseUrl() . '/images/diaspora-banner.jpg';
1917 * Use a random picture.
1918 * The service provides random pictures from Unsplash.
1919 * @license https://unsplash.com/license
1921 $header = 'https://picsum.photos/seed/' . hash('ripemd128', $contact['url']) . '/960/300';
1929 * Fetch the default avatar for the given contact and size
1931 * @param array $contact contact array
1932 * @param string $size Size of the avatar picture
1933 * @return string avatar URL
1935 public static function getDefaultAvatar(array $contact, string $size): string
1938 case Proxy::SIZE_MICRO:
1939 $avatar['size'] = 48;
1940 $default = self::DEFAULT_AVATAR_MICRO;
1943 case Proxy::SIZE_THUMB:
1944 $avatar['size'] = 80;
1945 $default = self::DEFAULT_AVATAR_THUMB;
1948 case Proxy::SIZE_SMALL:
1950 $avatar['size'] = 300;
1951 $default = self::DEFAULT_AVATAR_PHOTO;
1955 if (!DI::config()->get('system', 'remote_avatar_lookup')) {
1957 $type = Contact::TYPE_PERSON;
1959 if (!empty($contact['id'])) {
1960 $account = DBA::selectFirst('account-user-view', ['platform', 'contact-type'], ['id' => $contact['id']]);
1961 $platform = $account['platform'] ?? '';
1962 $type = $account['contact-type'] ?? Contact::TYPE_PERSON;
1965 if (empty($platform) && !empty($contact['uri-id'])) {
1966 $account = DBA::selectFirst('account-user-view', ['platform', 'contact-type'], ['uri-id' => $contact['uri-id']]);
1967 $platform = $account['platform'] ?? '';
1968 $type = $account['contact-type'] ?? Contact::TYPE_PERSON;
1971 switch ($platform) {
1975 * @license GNU Affero General Public License v3.0
1976 * @link https://github.com/msdos621/corgidon/blob/main/public/avatars/original/missing.png
1978 $default = '/images/default/corgidon.png';
1984 * @license GNU Affero General Public License v3.0
1985 * @link https://github.com/diaspora/diaspora/
1987 $default = '/images/default/diaspora.png';
1993 * @license GNU Affero General Public License v3.0
1994 * @link https://github.com/superseriousbusiness/gotosocial/blob/main/web/assets/default_avatars/GoToSocial_icon1.svg
1996 $default = '/images/default/gotosocial.svg';
2002 * @license GNU Affero General Public License v3.0
2003 * @link https://github.com/hometown-fork/hometown/blob/hometown-dev/public/avatars/original/missing.png
2005 $default = '/images/default/hometown.png';
2011 * @license GNU Affero General Public License v3.0
2012 * @link https://github.com/koyuspace/mastodon/blob/main/public/avatars/original/missing.png
2014 $default = '/images/default/koyuspace.png';
2022 * @license GNU Affero General Public License v3.0
2023 * @link https://github.com/mastodon/mastodon/tree/main/public/avatars/original/missing.png
2025 $default = '/images/default/mastodon.png';
2029 if ($type == Contact::TYPE_COMMUNITY) {
2032 * @license GNU Affero General Public License v3.0
2033 * @link https://github.com/Chocobozzz/PeerTube/blob/develop/client/src/assets/images/default-avatar-video-channel.png
2035 $default = '/images/default/peertube-channel.png';
2039 * @license GNU Affero General Public License v3.0
2040 * @link https://github.com/Chocobozzz/PeerTube/blob/develop/client/src/assets/images/default-avatar-account.png
2042 $default = '/images/default/peertube-account.png';
2049 * @license GNU Affero General Public License v3.0
2050 * @link https://git.pleroma.social/pleroma/pleroma/-/blob/develop/priv/static/images/avi.png
2052 $default = '/images/default/pleroma.png';
2058 * @license GNU Affero General Public License v3.0
2059 * @link https://github.com/Plume-org/Plume/blob/main/assets/images/default-avatar.png
2061 $default = '/images/default/plume.png';
2064 return DI::baseUrl() . $default;
2067 if (!empty($contact['xmpp'])) {
2068 $avatar['email'] = $contact['xmpp'];
2069 } elseif (!empty($contact['addr'])) {
2070 $avatar['email'] = $contact['addr'];
2071 } elseif (!empty($contact['url'])) {
2072 $avatar['email'] = $contact['url'];
2074 return DI::baseUrl() . $default;
2077 $avatar['url'] = '';
2078 $avatar['success'] = false;
2080 Hook::callAll('avatar_lookup', $avatar);
2082 if ($avatar['success'] && !empty($avatar['url'])) {
2083 return $avatar['url'];
2086 return DI::baseUrl() . $default;
2090 * Get avatar link for given contact id
2092 * @param integer $cid contact id
2093 * @param string $size One of the Proxy::SIZE_* constants
2094 * @param string $updated Contact update date
2095 * @param bool $static If "true" a parameter is added to convert the avatar to a static one
2096 * @return string avatar link
2098 public static function getAvatarUrlForId(int $cid, string $size = '', string $updated = '', string $guid = '', bool $static = false): string
2100 // We have to fetch the "updated" variable when it wasn't provided
2101 // The parameter can be provided to improve performance
2102 if (empty($updated)) {
2103 $account = DBA::selectFirst('account-user-view', ['updated', 'guid'], ['id' => $cid]);
2104 $updated = $account['updated'] ?? '';
2105 $guid = $account['guid'] ?? '';
2108 $guid = urlencode($guid);
2110 $url = DI::baseUrl() . '/photo/contact/';
2112 case Proxy::SIZE_MICRO:
2113 $url .= Proxy::PIXEL_MICRO . '/';
2115 case Proxy::SIZE_THUMB:
2116 $url .= Proxy::PIXEL_THUMB . '/';
2118 case Proxy::SIZE_SMALL:
2119 $url .= Proxy::PIXEL_SMALL . '/';
2121 case Proxy::SIZE_MEDIUM:
2122 $url .= Proxy::PIXEL_MEDIUM . '/';
2124 case Proxy::SIZE_LARGE:
2125 $url .= Proxy::PIXEL_LARGE . '/';
2130 $query_params['ts'] = strtotime($updated);
2133 $query_params['static'] = true;
2136 return $url . ($guid ?: $cid) . (!empty($query_params) ? '?' . http_build_query($query_params) : '');
2140 * Get avatar link for given contact URL
2142 * @param string $url contact url
2143 * @param integer $uid user id
2144 * @param string $size One of the Proxy::SIZE_* constants
2145 * @return string avatar link
2147 public static function getAvatarUrlForUrl(string $url, int $uid, string $size = ''): string
2150 "`nurl` = ? AND ((`uid` = ? AND `network` IN (?, ?)) OR `uid` = ?)",
2151 Strings::normaliseLink($url), $uid, Protocol::FEED, Protocol::MAIL, 0
2153 $contact = self::selectFirst(['id', 'updated'], $condition, ['order' => ['uid' => true]]);
2154 return self::getAvatarUrlForId($contact['id'] ?? 0, $size, $contact['updated'] ?? '');
2158 * Get header link for given contact id
2160 * @param integer $cid contact id
2161 * @param string $size One of the Proxy::SIZE_* constants
2162 * @param string $updated Contact update date
2163 * @param bool $static If "true" a parameter is added to convert the header to a static one
2164 * @return string header link
2166 public static function getHeaderUrlForId(int $cid, string $size = '', string $updated = '', string $guid = '', bool $static = false): string
2168 // We have to fetch the "updated" variable when it wasn't provided
2169 // The parameter can be provided to improve performance
2170 if (empty($updated) || empty($guid)) {
2171 $account = DBA::selectFirst('account-user-view', ['updated', 'guid'], ['id' => $cid]);
2172 $updated = $account['updated'] ?? '';
2173 $guid = $account['guid'] ?? '';
2176 $guid = urlencode($guid);
2178 $url = DI::baseUrl() . '/photo/header/';
2180 case Proxy::SIZE_MICRO:
2181 $url .= Proxy::PIXEL_MICRO . '/';
2183 case Proxy::SIZE_THUMB:
2184 $url .= Proxy::PIXEL_THUMB . '/';
2186 case Proxy::SIZE_SMALL:
2187 $url .= Proxy::PIXEL_SMALL . '/';
2189 case Proxy::SIZE_MEDIUM:
2190 $url .= Proxy::PIXEL_MEDIUM . '/';
2192 case Proxy::SIZE_LARGE:
2193 $url .= Proxy::PIXEL_LARGE . '/';
2199 $query_params['ts'] = strtotime($updated);
2202 $query_params['static'] = true;
2205 return $url . ($guid ?: $cid) . (!empty($query_params) ? '?' . http_build_query($query_params) : '');
2209 * Updates the avatar links in a contact only if needed
2211 * @param int $cid Contact id
2212 * @param string $avatar Link to avatar picture
2213 * @param bool $force force picture update
2214 * @param bool $create_cache Enforces the creation of cached avatar fields
2217 * @throws HTTPException\InternalServerErrorException
2218 * @throws HTTPException\NotFoundException
2219 * @throws \ImagickException
2221 public static function updateAvatar(int $cid, string $avatar, bool $force = false, bool $create_cache = false)
2223 $contact = DBA::selectFirst(
2225 ['uid', 'avatar', 'photo', 'thumb', 'micro', 'blurhash', 'xmpp', 'addr', 'nurl', 'url', 'network', 'uri-id'],
2226 ['id' => $cid, 'self' => false]
2228 if (!DBA::isResult($contact)) {
2232 if (!Network::isValidHttpUrl($avatar)) {
2233 Logger::warning('Invalid avatar', ['cid' => $cid, 'avatar' => $avatar]);
2237 $uid = $contact['uid'];
2239 // Only update the cached photo links of public contacts when they already are cached
2240 if (($uid == 0) && !$force && empty($contact['thumb']) && empty($contact['micro']) && !$create_cache) {
2241 if (($contact['avatar'] != $avatar) || empty($contact['blurhash'])) {
2242 $update_fields = ['avatar' => $avatar];
2243 if (!Network::isLocalLink($avatar)) {
2245 $fetchResult = HTTPSignature::fetchRaw($avatar, 0, [HttpClientOptions::ACCEPT_CONTENT => [HttpClientAccept::IMAGE]]);
2247 $img_str = $fetchResult->getBody();
2248 if (!empty($img_str)) {
2249 $image = new Image($img_str, Images::getMimeTypeByData($img_str));
2250 if ($image->isValid()) {
2251 $update_fields['blurhash'] = $image->getBlurHash();
2256 } catch (\Exception $exception) {
2257 Logger::notice('Error fetching avatar', ['avatar' => $avatar, 'exception' => $exception]);
2260 } elseif (!empty($contact['blurhash'])) {
2261 $update_fields['blurhash'] = null;
2266 self::update($update_fields, ['id' => $cid]);
2267 Logger::info('Only update the avatar', ['id' => $cid, 'avatar' => $avatar, 'contact' => $contact]);
2272 // User contacts use are updated through the public contacts
2273 if (($uid != 0) && !in_array($contact['network'], [Protocol::FEED, Protocol::MAIL])) {
2274 $pcid = self::getIdForURL($contact['url'], 0, false);
2275 if (!empty($pcid)) {
2276 Logger::debug('Update the private contact via the public contact', ['id' => $cid, 'uid' => $uid, 'public' => $pcid]);
2277 self::updateAvatar($pcid, $avatar, $force, true);
2282 $default_avatar = empty($avatar) || strpos($avatar, self::DEFAULT_AVATAR_PHOTO);
2284 if ($default_avatar) {
2285 $avatar = self::getDefaultAvatar($contact, Proxy::SIZE_SMALL);
2288 $cache_avatar = DI::config()->get('system', 'cache_contact_avatar');
2290 // Local contact avatars don't need to be cached
2291 if ($cache_avatar && Network::isLocalLink($contact['url'])) {
2292 $cache_avatar = !DBA::exists('contact', ['nurl' => $contact['nurl'], 'self' => true]);
2295 if (in_array($contact['network'], [Protocol::FEED, Protocol::MAIL]) || $cache_avatar) {
2296 if (Avatar::deleteCache($contact)) {
2300 if ($default_avatar && Proxy::isLocalImage($avatar)) {
2302 'avatar' => $avatar, 'avatar-date' => DateTimeFormat::utcNow(),
2304 'thumb' => self::getDefaultAvatar($contact, Proxy::SIZE_THUMB),
2305 'micro' => self::getDefaultAvatar($contact, Proxy::SIZE_MICRO)
2307 Logger::debug('Use default avatar', ['id' => $cid, 'uid' => $uid]);
2310 // Use the data from the self account
2311 if (empty($fields)) {
2312 $local_uid = User::getIdForURL($contact['url']);
2313 if (!empty($local_uid)) {
2314 $fields = self::selectFirst(['avatar', 'avatar-date', 'photo', 'thumb', 'micro'], ['self' => true, 'uid' => $local_uid]);
2315 Logger::debug('Use owner data', ['id' => $cid, 'uid' => $uid, 'owner-uid' => $local_uid]);
2319 if (empty($fields)) {
2320 $update = ($contact['avatar'] != $avatar) || $force;
2324 $contact['photo'] ?? '',
2325 $contact['thumb'] ?? '',
2326 $contact['micro'] ?? '',
2329 foreach ($data as $image_uri) {
2330 $image_rid = Photo::ridFromURI($image_uri);
2331 if ($image_rid && !Photo::exists(['resource-id' => $image_rid, 'uid' => $uid])) {
2332 Logger::debug('Regenerating avatar', ['contact uid' => $uid, 'cid' => $cid, 'missing photo' => $image_rid, 'avatar' => $contact['avatar']]);
2339 $photos = Photo::importProfilePhoto($avatar, $uid, $cid, true);
2341 $fields = ['avatar' => $avatar, 'photo' => $photos[0], 'thumb' => $photos[1], 'micro' => $photos[2], 'blurhash' => $photos[3], 'avatar-date' => DateTimeFormat::utcNow()];
2342 $update = !empty($fields);
2343 Logger::debug('Created new cached avatars', ['id' => $cid, 'uid' => $uid, 'owner-uid' => $local_uid]);
2349 $update = ($fields['photo'] . $fields['thumb'] . $fields['micro'] != $contact['photo'] . $contact['thumb'] . $contact['micro']) || $force;
2352 Photo::delete(['uid' => $uid, 'contact-id' => $cid, 'photo-type' => Photo::CONTACT_AVATAR]);
2353 $fields = Avatar::fetchAvatarContact($contact, $avatar, $force);
2354 $update = ($avatar . $fields['photo'] . $fields['thumb'] . $fields['micro'] != $contact['avatar'] . $contact['photo'] . $contact['thumb'] . $contact['micro']) || $force;
2363 if (($uid == 0) && !in_array($contact['network'], [Protocol::FEED, Protocol::MAIL])) {
2364 // Collect all user contacts of the given public contact
2365 $personal_contacts = DBA::select(
2368 ["`nurl` = ? AND `id` != ? AND NOT `self`", $contact['nurl'], $cid]
2370 while ($personal_contact = DBA::fetch($personal_contacts)) {
2371 $cids[] = $personal_contact['id'];
2372 $uids[] = $personal_contact['uid'];
2374 DBA::close($personal_contacts);
2376 if (!empty($cids)) {
2377 // Delete possibly existing cached user contact avatars
2378 Photo::delete(['uid' => $uids, 'contact-id' => $cids, 'photo-type' => Photo::CONTACT_AVATAR]);
2384 Logger::info('Updating cached contact avatars', ['cid' => $cids, 'uid' => $uids, 'fields' => $fields]);
2385 self::update($fields, ['id' => $cids]);
2388 public static function deleteContactByUrl(string $url)
2390 // Update contact data for all users
2391 $condition = ['self' => false, 'nurl' => Strings::normaliseLink($url)];
2392 $contacts = DBA::select('contact', ['id', 'uid'], $condition);
2393 while ($contact = DBA::fetch($contacts)) {
2394 Logger::info('Deleting contact', ['id' => $contact['id'], 'uid' => $contact['uid'], 'url' => $url]);
2395 self::remove($contact['id']);
2400 * Helper function for "updateFromProbe". Updates personal and public contact
2402 * @param integer $id contact id
2403 * @param integer $uid user id
2404 * @param integer $uri_id Uri-Id
2405 * @param string $url The profile URL of the contact
2406 * @param array $fields The fields that are updated
2408 * @throws \Exception
2410 private static function updateContact(int $id, int $uid, int $uri_id, string $url, array $fields)
2412 if (!self::update($fields, ['id' => $id])) {
2413 Logger::info('Couldn\'t update contact.', ['id' => $id, 'fields' => $fields]);
2417 self::setAccountUser($id, $uid, $uri_id, $url);
2419 // Archive or unarchive the contact.
2420 $contact = DBA::selectFirst('contact', [], ['id' => $id]);
2421 if (!DBA::isResult($contact)) {
2422 Logger::info('Couldn\'t select contact for archival.', ['id' => $id]);
2426 if (isset($fields['failed'])) {
2427 if ($fields['failed']) {
2428 self::markForArchival($contact);
2430 self::unmarkForArchival($contact);
2434 if ($contact['uid'] != 0) {
2438 // Update contact data for all users
2439 $condition = ['self' => false, 'nurl' => Strings::normaliseLink($url)];
2441 $condition['network'] = [Protocol::DFRN, Protocol::DIASPORA, Protocol::ACTIVITYPUB];
2443 if (!in_array($contact['network'], Protocol::NATIVE_SUPPORT) && Protocol::supportsProbe($contact['network'])) {
2444 $condition['network'][] = $contact['network'];
2447 self::update($fields, $condition);
2449 // We mustn't set the update fields for OStatus contacts since they are updated in OnePoll
2450 $condition['network'] = Protocol::OSTATUS;
2452 // If the contact failed, propagate the update fields to all contacts
2453 if (empty($fields['failed'])) {
2454 unset($fields['last-update']);
2455 unset($fields['success_update']);
2456 unset($fields['failure_update']);
2459 if (empty($fields)) {
2463 self::update($fields, $condition);
2467 * Create or update an "account-user" entry
2469 * @param integer $id
2470 * @param integer $uid
2471 * @param integer $uri_id
2472 * @param string $url
2475 public static function setAccountUser(int $id, int $uid, int $uri_id, string $url)
2477 if (empty($uri_id)) {
2481 $account_user = DBA::selectFirst('account-user', ['id', 'uid', 'uri-id'], ['id' => $id]);
2482 if (!empty($account_user['uri-id']) && ($account_user['uri-id'] != $uri_id)) {
2483 if ($account_user['uid'] == $uid) {
2484 $ret = DBA::update('account-user', ['uri-id' => $uri_id], ['id' => $id]);
2485 Logger::notice('Updated account-user uri-id', ['ret' => $ret, 'account-user' => $account_user, 'cid' => $id, 'uid' => $uid, 'uri-id' => $uri_id, 'url' => $url]);
2487 // This should never happen
2488 Logger::warning('account-user exists for a different uri-id and uid', ['account_user' => $account_user, 'id' => $id, 'uid' => $uid, 'uri-id' => $uri_id, 'url' => $url]);
2492 $account_user = DBA::selectFirst('account-user', ['id', 'uid', 'uri-id'], ['uid' => $uid, 'uri-id' => $uri_id]);
2493 if (!empty($account_user['id'])) {
2494 if ($account_user['id'] == $id) {
2495 Logger::debug('account-user already exists', ['id' => $id, 'uid' => $uid, 'uri-id' => $uri_id, 'url' => $url]);
2497 } elseif (!DBA::exists('contact', ['id' => $account_user['id'], 'deleted' => false])) {
2498 $ret = DBA::update('account-user', ['id' => $id], ['uid' => $uid, 'uri-id' => $uri_id]);
2499 Logger::notice('Updated account-user', ['ret' => $ret, 'account-user' => $account_user, 'cid' => $id, 'uid' => $uid, 'uri-id' => $uri_id, 'url' => $url]);
2502 Logger::warning('account-user exists for a different contact id', ['account_user' => $account_user, 'id' => $id, 'uid' => $uid, 'uri-id' => $uri_id, 'url' => $url]);
2503 Worker::add(Worker::PRIORITY_HIGH, 'MergeContact', $account_user['id'], $id, $uid);
2504 } elseif (DBA::insert('account-user', ['id' => $id, 'uri-id' => $uri_id, 'uid' => $uid], Database::INSERT_IGNORE)) {
2505 Logger::notice('account-user was added', ['id' => $id, 'uid' => $uid, 'uri-id' => $uri_id, 'url' => $url]);
2507 Logger::warning('account-user was not added', ['id' => $id, 'uid' => $uid, 'uri-id' => $uri_id, 'url' => $url]);
2512 * Remove duplicated contacts
2514 * @param string $nurl Normalised contact url
2515 * @param integer $uid User id
2517 * @throws \Exception
2519 public static function removeDuplicates(string $nurl, int $uid)
2521 $condition = ['nurl' => $nurl, 'uid' => $uid, 'self' => false, 'deleted' => false, 'network' => Protocol::FEDERATED];
2522 $count = DBA::count('contact', $condition);
2527 $first_contact = DBA::selectFirst('contact', ['id', 'network'], $condition, ['order' => ['id']]);
2528 if (!DBA::isResult($first_contact)) {
2529 // Shouldn't happen - so we handle it
2533 $first = $first_contact['id'];
2534 Logger::info('Found duplicates', ['count' => $count, 'first' => $first, 'uid' => $uid, 'nurl' => $nurl]);
2536 // Find all duplicates
2537 $condition = ["`nurl` = ? AND `uid` = ? AND `id` != ? AND NOT `self` AND NOT `deleted`", $nurl, $uid, $first];
2538 $duplicates = DBA::select('contact', ['id', 'network'], $condition);
2539 while ($duplicate = DBA::fetch($duplicates)) {
2540 if (!in_array($duplicate['network'], Protocol::FEDERATED)) {
2544 Worker::add(Worker::PRIORITY_HIGH, 'MergeContact', $first, $duplicate['id'], $uid);
2546 DBA::close($duplicates);
2547 Logger::info('Duplicates handled', ['uid' => $uid, 'nurl' => $nurl, 'callstack' => System::callstack(20)]);
2552 * Perform a contact update if the contact is outdated
2554 * @param integer $id contact id
2557 public static function updateByIdIfNeeded(int $id): bool
2559 $contact = self::selectFirst(['url'], ["`id` = ? AND `next-update` < ?", $id, DateTimeFormat::utcNow()]);
2560 if (empty($contact['url'])) {
2564 if (self::isLocal($contact['url'])) {
2568 $stamp = (float)microtime(true);
2569 self::updateFromProbe($id);
2570 Logger::debug('Contact data is updated.', ['duration' => round((float)microtime(true) - $stamp, 3), 'id' => $id, 'url' => $contact['url'], 'callstack' => System::callstack(20)]);
2575 * Perform a contact update if the contact is outdated
2577 * @param string $url contact url
2580 public static function updateByUrlIfNeeded(string $url): bool
2582 $id = self::getIdForURL($url, 0, false);
2584 return self::updateByIdIfNeeded($id);
2586 return (bool)self::getIdForURL($url);
2590 * Updates contact record by provided id and optional network
2592 * @param integer $id contact id
2593 * @param string $network Optional network we are probing for
2595 * @throws HTTPException\InternalServerErrorException
2596 * @throws \ImagickException
2598 public static function updateFromProbe(int $id, string $network = ''): bool
2600 $contact = DBA::selectFirst('contact', ['uid', 'url'], ['id' => $id]);
2601 if (!DBA::isResult($contact)) {
2605 $data = Probe::uri($contact['url'], $network, $contact['uid']);
2607 if ($data['network'] == Protocol::DIASPORA) {
2609 DI::dsprContact()->updateFromProbeArray($data);
2610 } catch (HTTPException\NotFoundException $e) {
2611 Logger::notice($e->getMessage(), ['id' => $id, 'network' => $network, 'contact' => $contact, 'data' => $data]);
2612 } catch (\InvalidArgumentException $e) {
2613 Logger::notice($e->getMessage(), ['id' => $id, 'network' => $network, 'contact' => $contact, 'data' => $data]);
2615 } elseif (!empty($data['networks'][Protocol::DIASPORA])) {
2617 DI::dsprContact()->updateFromProbeArray($data['networks'][Protocol::DIASPORA]);
2618 } catch (HTTPException\NotFoundException $e) {
2619 Logger::notice($e->getMessage(), ['id' => $id, 'network' => $network, 'contact' => $contact, 'data' => $data]);
2620 } catch (\InvalidArgumentException $e) {
2621 Logger::notice($e->getMessage(), ['id' => $id, 'network' => $network, 'contact' => $contact, 'data' => $data]);
2625 return self::updateFromProbeArray($id, $data);
2629 * Checks if the given contact has got local data
2632 * @param array $contact
2636 private static function hasLocalData(int $id, array $contact): bool
2638 if (!empty($contact['uri-id']) && DBA::exists('contact', ["`uri-id` = ? AND `uid` != ?", $contact['uri-id'], 0])) {
2639 // User contacts with the same uri-id exist
2641 } elseif (DBA::exists('contact', ["`nurl` = ? AND `uid` != ?", Strings::normaliseLink($contact['url']), 0])) {
2642 // User contacts with the same nurl exists (compatibility mode for systems with missing uri-id values)
2645 if (DBA::exists('post-tag', ['cid' => $id])) {
2646 // Is tagged in a post
2649 if (DBA::exists('user-contact', ['cid' => $id])) {
2650 // Has got user-contact data
2653 if (Post::exists(['author-id' => $id])) {
2654 // Posts with this author exist
2657 if (Post::exists(['owner-id' => $id])) {
2658 // Posts with this owner exist
2661 if (Post::exists(['causer-id' => $id])) {
2662 // Posts with this causer exist
2665 // We don't have got this contact locally
2670 * Updates contact record by provided id and probed data
2672 * @param integer $id contact id
2673 * @param array $ret Probed data
2675 * @throws HTTPException\InternalServerErrorException
2676 * @throws \ImagickException
2678 private static function updateFromProbeArray(int $id, array $ret): bool
2681 Warning: Never ever fetch the public key via Probe::uri and write it into the contacts.
2682 This will reliably kill your communication with old Friendica contacts.
2685 // These fields aren't updated by this routine:
2689 'uid', 'uri-id', 'avatar', 'header', 'name', 'nick', 'location', 'keywords', 'about', 'subscribe',
2690 'manually-approve', 'unsearchable', 'url', 'addr', 'batch', 'notify', 'poll', 'request', 'confirm', 'poco',
2691 'network', 'alias', 'baseurl', 'gsid', 'forum', 'prv', 'contact-type', 'pubkey', 'last-item', 'xmpp', 'matrix',
2692 'created', 'last-update'
2694 $contact = DBA::selectFirst('contact', $fields, ['id' => $id]);
2695 if (!DBA::isResult($contact)) {
2699 if (self::isLocal($ret['url'])) {
2700 if ($contact['uid'] == 0) {
2701 Logger::info('Local contacts are not updated here.');
2703 self::updateFromPublicContact($id, $contact);
2708 if (!empty($ret['account-type']) && $ret['account-type'] == User::ACCOUNT_TYPE_DELETED) {
2709 Logger::info('Deleted account', ['id' => $id, 'url' => $ret['url'], 'ret' => $ret]);
2712 // Delete all contacts with the same URL
2713 self::deleteContactByUrl($ret['url']);
2717 $has_local_data = self::hasLocalData($id, $contact);
2719 $uid = $contact['uid'];
2720 unset($contact['uid']);
2722 $uriid = $contact['uri-id'];
2723 unset($contact['uri-id']);
2725 $pubkey = $contact['pubkey'];
2726 unset($contact['pubkey']);
2728 $created = $contact['created'];
2729 unset($contact['created']);
2731 $last_update = $contact['last-update'];
2732 unset($contact['last-update']);
2734 $contact['photo'] = $contact['avatar'];
2735 unset($contact['avatar']);
2737 $updated = DateTimeFormat::utcNow();
2739 if (!Protocol::supportsProbe($ret['network']) && !Protocol::supportsProbe($contact['network'])) {
2740 // Periodical checks are only done on federated contacts
2741 $failed_next_update = null;
2742 $success_next_update = null;
2743 } elseif ($has_local_data) {
2744 $failed_next_update = GServer::getNextUpdateDate(false, $created, $last_update, !in_array($contact['network'], Protocol::FEDERATED));
2745 $success_next_update = GServer::getNextUpdateDate(true, $created, $last_update, !in_array($contact['network'], Protocol::FEDERATED));
2746 } elseif (in_array($ret['network'], array_merge(Protocol::NATIVE_SUPPORT, [Protocol::ZOT, Protocol::PHANTOM]))) {
2747 $failed_next_update = DateTimeFormat::utc('now +6 month');
2748 $success_next_update = DateTimeFormat::utc('now +1 month');
2750 // We don't check connector networks very often to not run into API rate limits
2751 $failed_next_update = DateTimeFormat::utc('now +12 month');
2752 $success_next_update = DateTimeFormat::utc('now +12 month');
2755 if (Strings::normaliseLink($contact['url']) != Strings::normaliseLink($ret['url'])) {
2756 Logger::notice('New URL differs from old URL', ['id' => $id, 'uid' => $uid, 'old' => $contact['url'], 'new' => $ret['url']]);
2757 self::updateContact($id, $uid, $uriid, $contact['url'], ['failed' => true, 'local-data' => $has_local_data, 'last-update' => $updated, 'next-update' => $failed_next_update, 'failure_update' => $updated]);
2761 // We must not try to update relay contacts via probe. They are no real contacts.
2762 // We check after the probing to be able to correct falsely detected contact types.
2763 if (($contact['contact-type'] == self::TYPE_RELAY) &&
2764 (!Strings::compareLink($ret['url'], $contact['url']) || in_array($ret['network'], [Protocol::FEED, Protocol::PHANTOM]))
2766 self::updateContact($id, $uid, $uriid, $contact['url'], ['failed' => false, 'local-data' => $has_local_data, 'last-update' => $updated, 'next-update' => $success_next_update, 'success_update' => $updated]);
2767 Logger::info('Not updating relais', ['id' => $id, 'url' => $contact['url']]);
2771 // If Probe::uri fails the network code will be different ("feed" or "unkn")
2772 if (($ret['network'] == Protocol::PHANTOM) || (($ret['network'] == Protocol::FEED) && ($ret['network'] != $contact['network']))) {
2773 self::updateContact($id, $uid, $uriid, $contact['url'], ['failed' => true, 'local-data' => $has_local_data, 'last-update' => $updated, 'next-update' => $failed_next_update, 'failure_update' => $updated]);
2777 if (Strings::normaliseLink($ret['url']) != Strings::normaliseLink($contact['url'])) {
2778 $cid = self::getIdForURL($ret['url'], 0, false);
2779 if (!empty($cid) && ($cid != $id)) {
2780 Logger::notice('URL of contact changed.', ['id' => $id, 'new_id' => $cid, 'old' => $contact['url'], 'new' => $ret['url']]);
2781 return self::updateFromProbeArray($cid, $ret);
2785 if (isset($ret['hide']) && is_bool($ret['hide'])) {
2786 $ret['unsearchable'] = $ret['hide'];
2789 if (isset($ret['account-type']) && is_int($ret['account-type'])) {
2790 $ret['forum'] = false;
2791 $ret['prv'] = false;
2792 $ret['contact-type'] = $ret['account-type'];
2793 if (($ret['contact-type'] == User::ACCOUNT_TYPE_COMMUNITY) && isset($ret['manually-approve'])) {
2794 $ret['forum'] = (bool)!$ret['manually-approve'];
2795 $ret['prv'] = (bool)!$ret['forum'];
2799 $new_pubkey = $ret['pubkey'] ?? '';
2801 if ($uid == 0 && DI::config()->get('system', 'fetch_featured_posts')) {
2802 if ($ret['network'] == Protocol::ACTIVITYPUB) {
2803 $apcontact = APContact::getByURL($ret['url'], false);
2804 if (!empty($apcontact['featured'])) {
2805 Worker::add(Worker::PRIORITY_LOW, 'FetchFeaturedPosts', $ret['url']);
2809 $ret['last-item'] = Probe::getLastUpdate($ret);
2810 Logger::info('Fetched last item', ['id' => $id, 'probed_url' => $ret['url'], 'last-item' => $ret['last-item'], 'callstack' => System::callstack(20)]);
2814 $guid = ($ret['guid'] ?? '') ?: Item::guidFromUri($ret['url'], $ret['baseurl'] ?? $ret['alias']);
2816 // make sure to not overwrite existing values with blank entries except some technical fields
2817 $keep = ['batch', 'notify', 'poll', 'request', 'confirm', 'poco', 'baseurl'];
2818 foreach ($ret as $key => $val) {
2819 if (!array_key_exists($key, $contact)) {
2821 } elseif (($contact[$key] != '') && ($val === '') && !is_bool($ret[$key]) && !in_array($key, $keep)) {
2822 $ret[$key] = $contact[$key];
2823 } elseif ($ret[$key] != $contact[$key]) {
2828 if (!empty($ret['last-item']) && ($contact['last-item'] < $ret['last-item'])) {
2831 unset($ret['last-item']);
2834 if (empty($uriid)) {
2838 if (!empty($ret['photo']) && ($ret['network'] != Protocol::FEED)) {
2839 self::updateAvatar($id, $ret['photo'], $update);
2843 self::updateContact($id, $uid, $uriid, $contact['url'], ['failed' => false, 'local-data' => $has_local_data, 'last-update' => $updated, 'next-update' => $success_next_update, 'success_update' => $updated]);
2845 if (Contact\Relation::isDiscoverable($ret['url'])) {
2846 Worker::add(Worker::PRIORITY_LOW, 'ContactDiscovery', $ret['url']);
2849 // Update the public contact
2851 $contact = self::getByURL($ret['url'], false, ['id']);
2852 if (!empty($contact['id'])) {
2853 self::updateFromProbeArray($contact['id'], $ret);
2860 $ret['uri-id'] = ItemURI::insert(['uri' => $ret['url'], 'guid' => $guid]);
2861 $ret['nurl'] = Strings::normaliseLink($ret['url']);
2862 $ret['updated'] = $updated;
2863 $ret['failed'] = false;
2864 $ret['next-update'] = $success_next_update;
2865 $ret['local-data'] = $has_local_data;
2867 // Only fill the pubkey if it had been empty before. We have to prevent identity theft.
2868 if (empty($pubkey) && !empty($new_pubkey)) {
2869 $ret['pubkey'] = $new_pubkey;
2872 if ((!empty($ret['addr']) && ($ret['addr'] != $contact['addr'])) || (!empty($ret['alias']) && ($ret['alias'] != $contact['alias']))) {
2873 $ret['uri-date'] = $updated;
2876 if ((!empty($ret['name']) && ($ret['name'] != $contact['name'])) || (!empty($ret['nick']) && ($ret['nick'] != $contact['nick']))) {
2877 $ret['name-date'] = $updated;
2880 if (($uid == 0) || in_array($ret['network'], [Protocol::DFRN, Protocol::DIASPORA, Protocol::ACTIVITYPUB])) {
2881 $ret['last-update'] = $updated;
2882 $ret['success_update'] = $updated;
2885 unset($ret['photo']);
2887 self::updateContact($id, $uid, $ret['uri-id'], $ret['url'], $ret);
2889 if (Contact\Relation::isDiscoverable($ret['url'])) {
2890 Worker::add(Worker::PRIORITY_LOW, 'ContactDiscovery', $ret['url']);
2896 private static function updateFromPublicContact(int $id, array $contact)
2898 $public = self::getByURL($contact['url'], false);
2902 foreach ($contact as $field => $value) {
2903 if ($field == 'uid') {
2906 if ($public[$field] != $value) {
2907 $fields[$field] = $public[$field];
2910 if (!empty($fields)) {
2911 self::update($fields, ['id' => $id, 'self' => false]);
2912 Logger::info('Updating local contact', ['id' => $id]);
2917 * Updates contact record by provided URL
2919 * @param integer $url contact url
2920 * @return integer Contact id
2921 * @throws HTTPException\InternalServerErrorException
2922 * @throws \ImagickException
2924 public static function updateFromProbeByURL(string $url): int
2926 $id = self::getIdForURL($url);
2932 self::updateFromProbe($id);
2938 * Detects the communication protocol for a given contact url.
2939 * This is used to detect Friendica contacts that we can communicate via AP.
2941 * @param string $url contact url
2942 * @param string $network Network of that contact
2943 * @return string with protocol
2945 public static function getProtocol(string $url, string $network): string
2947 if ($network != Protocol::DFRN) {
2951 $apcontact = APContact::getByURL($url);
2952 if (!empty($apcontact) && !empty($apcontact['generator'])) {
2953 return Protocol::ACTIVITYPUB;
2960 * Takes a $uid and a url/handle and adds a new contact
2962 * Currently if the contact is DFRN, interactive needs to be true, to redirect to the
2963 * dfrn_request page.
2965 * Otherwise this can be used to bulk add StatusNet contacts, Twitter contacts, etc.
2968 * $return['success'] boolean true if successful
2969 * $return['message'] error text if success is false.
2971 * Takes a $uid and a url/handle and adds a new contact
2973 * @param int $uid The user id the contact should be created for
2974 * @param string $url The profile URL of the contact
2975 * @param string $network
2977 * @throws HTTPException\InternalServerErrorException
2978 * @throws HTTPException\NotFoundException
2979 * @throws \ImagickException
2981 public static function createFromProbeForUser(int $uid, string $url, string $network = ''): array
2983 $result = ['cid' => -1, 'success' => false, 'message' => ''];
2985 // remove ajax junk, e.g. Twitter
2986 $url = str_replace('/#!/', '/', $url);
2988 if (!Network::isUrlAllowed($url)) {
2989 $result['message'] = DI::l10n()->t('Disallowed profile URL.');
2993 if (Network::isUrlBlocked($url)) {
2994 $result['message'] = DI::l10n()->t('Blocked domain');
2999 $result['message'] = DI::l10n()->t('Connect URL missing.');
3003 $arr = ['url' => $url, 'uid' => $uid, 'contact' => []];
3005 Hook::callAll('follow', $arr);
3008 $result['message'] = DI::l10n()->t('The contact could not be added. Please check the relevant network credentials in your Settings -> Social Networks page.');
3012 if (!empty($arr['contact']['name'])) {
3014 $ret = $arr['contact'];
3017 $ret = Probe::uri($url, $network, $uid);
3019 // Ensure that the public contact exists
3020 if ($ret['network'] != Protocol::PHANTOM) {
3021 self::getIdForURL($url);
3025 if (($network != '') && ($ret['network'] != $network)) {
3026 $result['message'] = DI::l10n()->t('Expected network %s does not match actual network %s', $network, $ret['network']);
3030 // check if we already have a contact
3031 $condition = ['uid' => $uid, 'nurl' => Strings::normaliseLink($ret['url']), 'deleted' => false];
3032 $contact = DBA::selectFirst('contact', ['id', 'rel', 'url', 'pending', 'hub-verify'], $condition);
3034 $protocol = self::getProtocol($ret['url'], $ret['network']);
3036 // This extra param just confuses things, remove it
3037 if ($protocol === Protocol::DIASPORA) {
3038 $ret['url'] = str_replace('?absolute=true', '', $ret['url']);
3041 // do we have enough information?
3042 if (empty($protocol) || ($protocol == Protocol::PHANTOM) || (empty($ret['url']) && empty($ret['addr']))) {
3043 $result['message'] .= DI::l10n()->t('The profile address specified does not provide adequate information.') . '<br />';
3044 if (empty($ret['poll'])) {
3045 $result['message'] .= DI::l10n()->t('No compatible communication protocols or feeds were discovered.') . '<br />';
3047 if (empty($ret['name'])) {
3048 $result['message'] .= DI::l10n()->t('An author or name was not found.') . '<br />';
3050 if (empty($ret['url'])) {
3051 $result['message'] .= DI::l10n()->t('No browser URL could be matched to this address.') . '<br />';
3053 if (strpos($ret['url'], '@') !== false) {
3054 $result['message'] .= DI::l10n()->t('Unable to match @-style Identity Address with a known protocol or email contact.') . '<br />';
3055 $result['message'] .= DI::l10n()->t('Use mailto: in front of address to force email check.') . '<br />';
3060 if ($protocol === Protocol::OSTATUS && DI::config()->get('system', 'ostatus_disabled')) {
3061 $result['message'] .= DI::l10n()->t('The profile address specified belongs to a network which has been disabled on this site.') . '<br />';
3062 $ret['notify'] = '';
3065 if (!$ret['notify']) {
3066 $result['message'] .= DI::l10n()->t('Limited profile. This person will be unable to receive direct/personal notifications from you.') . '<br />';
3069 $writeable = ((($protocol === Protocol::OSTATUS) && ($ret['notify'])) ? 1 : 0);
3071 $subhub = (($protocol === Protocol::OSTATUS) ? true : false);
3073 $hidden = (($protocol === Protocol::MAIL) ? 1 : 0);
3076 if (($protocol == Protocol::ACTIVITYPUB) && isset($ret['manually-approve'])) {
3077 $pending = (bool)$ret['manually-approve'];
3080 if (in_array($protocol, [Protocol::MAIL, Protocol::DIASPORA, Protocol::ACTIVITYPUB])) {
3084 if (DBA::isResult($contact)) {
3086 $new_relation = (in_array($contact['rel'], [self::FOLLOWER, self::FRIEND]) ? self::FRIEND : self::SHARING);
3088 $fields = ['rel' => $new_relation, 'subhub' => $subhub, 'readonly' => false, 'network' => $ret['network']];
3090 if ($contact['pending'] && !empty($contact['hub-verify'])) {
3091 ActivityPub\Transmitter::sendContactAccept($contact['url'], $contact['hub-verify'], $uid);
3092 $fields['pending'] = false;
3095 self::update($fields, ['id' => $contact['id']]);
3097 $new_relation = (in_array($protocol, [Protocol::MAIL]) ? self::FRIEND : self::SHARING);
3099 // create contact record
3102 'created' => DateTimeFormat::utcNow(),
3103 'url' => $ret['url'],
3104 'nurl' => Strings::normaliseLink($ret['url']),
3105 'addr' => $ret['addr'],
3106 'alias' => $ret['alias'],
3107 'batch' => $ret['batch'],
3108 'notify' => $ret['notify'],
3109 'poll' => $ret['poll'],
3110 'poco' => $ret['poco'],
3111 'name' => $ret['name'],
3112 'nick' => $ret['nick'],
3113 'network' => $ret['network'],
3114 'baseurl' => $ret['baseurl'],
3115 'gsid' => $ret['gsid'] ?? null,
3116 'protocol' => $protocol,
3117 'pubkey' => $ret['pubkey'],
3118 'rel' => $new_relation,
3119 'priority' => $ret['priority'],
3120 'writable' => $writeable,
3121 'hidden' => $hidden,
3124 'pending' => $pending,
3129 $contact = DBA::selectFirst('contact', [], ['url' => $ret['url'], 'network' => $ret['network'], 'uid' => $uid]);
3130 if (!DBA::isResult($contact)) {
3131 $result['message'] .= DI::l10n()->t('Unable to retrieve contact information.') . '<br />';
3135 $contact_id = $contact['id'];
3136 $result['cid'] = $contact_id;
3138 Circle::addMember(User::getDefaultCircle($uid), $contact_id);
3140 // Update the avatar
3141 self::updateAvatar($contact_id, $ret['photo']);
3143 // pull feed and consume it, which should subscribe to the hub.
3144 if ($contact['network'] == Protocol::OSTATUS) {
3145 Worker::add(Worker::PRIORITY_HIGH, 'OnePoll', $contact_id, 'force');
3149 self::updateFromProbeArray($contact_id, $ret);
3152 UpdateContact::add(Worker::PRIORITY_HIGH, $contact['id']);
3153 } catch (\InvalidArgumentException $e) {
3154 Logger::notice($e->getMessage(), ['contact' => $contact]);
3158 $result['success'] = Protocol::follow($uid, $contact, $protocol);
3164 * @param array $importer Owner (local user) data
3165 * @param array $contact Existing owner-specific contact data we want to expand the relationship with. Optional.
3166 * @param array $datarray An item-like array with at least the 'author-id' and 'author-url' keys for the contact. Mandatory.
3167 * @param bool $sharing True: Contact is now sharing with Owner; False: Contact is now following Owner (default)
3168 * @param string $note Introduction additional message
3169 * @return bool|null True: follow request is accepted; False: relationship is rejected; Null: relationship is pending
3170 * @throws HTTPException\InternalServerErrorException
3171 * @throws \ImagickException
3173 public static function addRelationship(array $importer, array $contact, array $datarray, bool $sharing = false, string $note = '')
3175 // Should always be set
3176 if (empty($datarray['author-id'])) {
3180 $fields = ['id', 'url', 'name', 'nick', 'avatar', 'photo', 'network', 'blocked'];
3181 $pub_contact = DBA::selectFirst('contact', $fields, ['id' => $datarray['author-id']]);
3182 if (!DBA::isResult($pub_contact)) {
3183 // Should never happen
3187 // Contact is blocked at node-level
3188 if (self::isBlocked($datarray['author-id'])) {
3192 $url = ($datarray['author-link'] ?? '') ?: $pub_contact['url'];
3193 $name = $pub_contact['name'];
3194 $photo = ($pub_contact['avatar'] ?? '') ?: $pub_contact["photo"];
3195 $nick = $pub_contact['nick'];
3196 $network = $pub_contact['network'];
3198 // Ensure that we don't create a new contact when there already is one
3199 $cid = self::getIdForURL($url, $importer['uid']);
3201 $contact = DBA::selectFirst('contact', [], ['id' => $cid]);
3204 self::clearFollowerFollowingEndpointCache($importer['uid']);
3206 if (!empty($contact)) {
3207 if (!empty($contact['pending'])) {
3208 Logger::info('Pending contact request already exists.', ['url' => $url, 'uid' => $importer['uid']]);
3212 // Contact is blocked at user-level
3214 !empty($contact['id']) && !empty($importer['id']) &&
3215 Contact\User::isBlocked($contact['id'], $importer['id'])
3220 // Make sure that the existing contact isn't archived
3221 self::unmarkForArchival($contact);
3223 if (($contact['rel'] == self::SHARING)
3224 || ($sharing && $contact['rel'] == self::FOLLOWER)
3227 ['rel' => self::FRIEND, 'writable' => true, 'pending' => false],
3228 ['id' => $contact['id'], 'uid' => $importer['uid']]
3232 // Ensure to always have the correct network type, independent from the connection request method
3233 self::updateFromProbe($contact['id']);
3235 Post\UserNotification::insertNotification($pub_contact['id'], Activity::FOLLOW, $importer['uid']);
3239 // send email notification to owner?
3240 if (DBA::exists('contact', ['nurl' => Strings::normaliseLink($url), 'uid' => $importer['uid'], 'pending' => true])) {
3241 Logger::notice('ignoring duplicated connection request from pending contact ' . $url);
3245 // create contact record
3246 $contact_id = self::insert([
3247 'uid' => $importer['uid'],
3248 'created' => DateTimeFormat::utcNow(),
3250 'nurl' => Strings::normaliseLink($url),
3253 'network' => $network,
3254 'rel' => self::FOLLOWER,
3261 // Ensure to always have the correct network type, independent from the connection request method
3262 self::updateFromProbe($contact_id);
3264 self::updateAvatar($contact_id, $photo, true);
3266 Post\UserNotification::insertNotification($pub_contact['id'], Activity::FOLLOW, $importer['uid']);
3268 $contact_record = DBA::selectFirst('contact', ['id', 'network', 'name', 'url', 'photo'], ['id' => $contact_id]);
3270 /// @TODO Encapsulate this into a function/method
3271 $fields = ['uid', 'username', 'email', 'page-flags', 'notify-flags', 'language'];
3272 $user = DBA::selectFirst('user', $fields, ['uid' => $importer['uid']]);
3273 if (DBA::isResult($user) && !in_array($user['page-flags'], [User::PAGE_FLAGS_SOAPBOX, User::PAGE_FLAGS_FREELOVE, User::PAGE_FLAGS_COMMUNITY])) {
3274 // create notification
3275 if (is_array($contact_record)) {
3276 $intro = DI::introFactory()->createNew(
3278 $contact_record['id'],
3281 DI::intro()->save($intro);
3284 Circle::addMember(User::getDefaultCircle($importer['uid']), $contact_record['id']);
3286 if (($user['notify-flags'] & Notification\Type::INTRO) && $user['page-flags'] == User::PAGE_FLAGS_NORMAL) {
3287 DI::notify()->createFromArray([
3288 'type' => Notification\Type::INTRO,
3289 'otype' => Notification\ObjectType::INTRO,
3290 'verb' => ($sharing ? Activity::FRIEND : Activity::FOLLOW),
3291 'uid' => $user['uid'],
3292 'cid' => $contact_record['id'],
3293 'link' => DI::baseUrl() . '/notifications/intros',
3296 } elseif (DBA::isResult($user) && in_array($user['page-flags'], [User::PAGE_FLAGS_SOAPBOX, User::PAGE_FLAGS_FREELOVE, User::PAGE_FLAGS_COMMUNITY])) {
3297 if (($user['page-flags'] == User::PAGE_FLAGS_FREELOVE) && ($network != Protocol::DIASPORA)) {
3298 self::createFromProbeForUser($importer['uid'], $url, $network);
3301 $condition = ['uid' => $importer['uid'], 'url' => $url, 'pending' => true];
3302 $fields = ['pending' => false];
3303 if ($user['page-flags'] == User::PAGE_FLAGS_FREELOVE) {
3304 $fields['rel'] = self::FRIEND;
3307 self::update($fields, $condition);
3317 * Update the local relationship when a local user loses a follower
3319 * @param array $contact User-specific contact (uid != 0) array
3321 * @throws HTTPException\InternalServerErrorException
3322 * @throws \ImagickException
3324 public static function removeFollower(array $contact)
3326 if (in_array($contact['rel'] ?? [], [self::FRIEND, self::SHARING])) {
3327 self::update(['rel' => self::SHARING], ['id' => $contact['id']]);
3328 } elseif (!empty($contact['id'])) {
3329 self::remove($contact['id']);
3331 DI::logger()->info('Couldn\'t remove follower because of invalid contact array', ['contact' => $contact, 'callstack' => System::callstack()]);
3335 Worker::add(Worker::PRIORITY_LOW, 'ContactDiscoveryForUser', $contact['uid']);
3337 self::clearFollowerFollowingEndpointCache($contact['uid']);
3339 $cdata = self::getPublicAndUserContactID($contact['id'], $contact['uid']);
3340 if (!empty($cdata['public'])) {
3341 DI::notification()->deleteForUserByVerb($contact['uid'], Activity::FOLLOW, ['actor-id' => $cdata['public']]);
3346 * Update the local relationship when a local user unfollow a contact.
3347 * Removes the contact for sharing-only protocols (feed and mail).
3349 * @param array $contact User-specific contact (uid != 0) array
3350 * @throws HTTPException\InternalServerErrorException
3352 public static function removeSharer(array $contact)
3354 self::clearFollowerFollowingEndpointCache($contact['uid']);
3356 if ($contact['rel'] == self::SHARING || in_array($contact['network'], [Protocol::FEED, Protocol::MAIL])) {
3357 self::remove($contact['id']);
3359 self::update(['rel' => self::FOLLOWER, 'pending' => false], ['id' => $contact['id']]);
3362 Worker::add(Worker::PRIORITY_LOW, 'ContactDiscoveryForUser', $contact['uid']);
3366 * Create a birthday event.
3368 * Update the year and the birthday.
3370 public static function updateBirthdays()
3374 AND (`contact`.`rel` = ? OR `contact`.`rel` = ?)
3375 AND NOT `contact`.`pending`
3376 AND NOT `contact`.`hidden`
3377 AND NOT `contact`.`blocked`
3378 AND NOT `contact`.`archive`
3379 AND NOT `contact`.`deleted`',
3385 $contacts = DBA::select('contact', ['id', 'uid', 'name', 'url', 'bd'], $condition);
3387 while ($contact = DBA::fetch($contacts)) {
3388 Logger::notice('update_contact_birthday: ' . $contact['bd']);
3390 $nextbd = DateTimeFormat::utcNow('Y') . substr($contact['bd'], 4);
3392 if (Event::createBirthday($contact, $nextbd)) {
3396 ['bdyear' => substr($nextbd, 0, 4), 'bd' => $nextbd],
3397 ['id' => $contact['id']]
3401 DBA::close($contacts);
3405 * Remove the unavailable contact ids from the provided list
3407 * @param array $contact_ids Contact id list
3409 * @throws \Exception
3411 public static function pruneUnavailable(array $contact_ids): array
3413 if (empty($contact_ids)) {
3417 $contacts = self::selectToArray(['id'], [
3418 'id' => $contact_ids,
3424 return array_column($contacts, 'id');
3428 * Returns a magic link to authenticate remote visitors
3430 * @todo check if the return is either a fully qualified URL or a relative path to Friendica basedir
3432 * @param string $contact_url The address of the target contact profile
3433 * @param string $url An url that we will be redirected to after the authentication
3435 * @return string with "redir" link
3436 * @throws HTTPException\InternalServerErrorException
3437 * @throws \ImagickException
3439 public static function magicLink(string $contact_url, string $url = ''): string
3441 if (!DI::userSession()->isAuthenticated()) {
3442 return $url ?: $contact_url; // Equivalent to: ($url != '') ? $url : $contact_url;
3445 $contact = self::getByURL($contact_url, false);
3446 if (empty($contact)) {
3447 return $url ?: $contact_url; // Equivalent to: ($url != '') ? $url : $contact_url;
3450 // Prevents endless loop in case only a non-public contact exists for the contact URL
3451 unset($contact['uid']);
3453 return self::magicLinkByContact($contact, $url ?: $contact_url);
3457 * Returns a magic link to authenticate remote visitors
3459 * @param integer $cid The contact id of the target contact profile
3460 * @param string $url An url that we will be redirected to after the authentication
3462 * @return string with "redir" link
3463 * @throws HTTPException\InternalServerErrorException
3464 * @throws \ImagickException
3466 public static function magicLinkById(int $cid, string $url = ''): string
3468 $contact = DBA::selectFirst('contact', ['id', 'network', 'url', 'alias', 'uid'], ['id' => $cid]);
3470 return self::magicLinkByContact($contact, $url);
3474 * Returns a magic link to authenticate remote visitors
3476 * @param array $contact The contact array with "uid", "network" and "url"
3477 * @param string $url An url that we will be redirected to after the authentication
3479 * @return string with "redir" link
3480 * @throws HTTPException\InternalServerErrorException
3481 * @throws \ImagickException
3483 public static function magicLinkByContact(array $contact, string $url = ''): string
3485 $destination = $url ?: (!Network::isValidHttpUrl($contact['url']) && !empty($contact['alias']) && Network::isValidHttpUrl($contact['alias']) ? $contact['alias'] : $contact['url']);
3487 if (!DI::userSession()->isAuthenticated()) {
3488 return $destination;
3491 // Only redirections to the same host do make sense
3492 if (($url != '') && (parse_url($url, PHP_URL_HOST) != parse_url($contact['url'], PHP_URL_HOST))) {
3496 if (DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'stay_local') && ($url == '')) {
3497 return 'contact/' . $contact['id'] . '/conversations';
3500 if (!empty($contact['network']) && $contact['network'] != Protocol::DFRN) {
3501 return $destination;
3504 if (empty($contact['id'])) {
3505 return $destination;
3508 $redirect = 'contact/redir/' . $contact['id'];
3510 if (($url != '') && !Strings::compareLink($contact['url'], $url)) {
3511 $redirect .= '?url=' . $url;
3518 * Is the contact a group?
3520 * @param integer $contactid ID of the contact
3522 * @return boolean "true" if it is a group
3524 public static function isGroup(int $contactid): bool
3526 $fields = ['contact-type'];
3527 $condition = ['id' => $contactid];
3528 $contact = DBA::selectFirst('contact', $fields, $condition);
3529 if (!DBA::isResult($contact)) {
3534 return ($contact['contact-type'] == self::TYPE_COMMUNITY);
3538 * Can the remote contact receive private messages?
3540 * @param array $contact
3543 public static function canReceivePrivateMessages(array $contact): bool
3545 $protocol = $contact['network'] ?? $contact['protocol'] ?? Protocol::PHANTOM;
3546 $self = $contact['self'] ?? false;
3548 return in_array($protocol, [Protocol::DFRN, Protocol::DIASPORA, Protocol::ACTIVITYPUB]) && !$self;
3552 * Search contact table by nick or name
3554 * @param string $search Name or nick
3555 * @param string $mode Search mode (e.g. "community")
3556 * @param bool $show_blocked Show users from blocked servers. Default is false
3557 * @param int $uid User ID
3558 * @param int $limit Maximum amount of returned values
3559 * @param int $offset Limit offset
3561 * @return array with search results
3562 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3564 public static function searchByName(string $search, string $mode = '', bool $show_blocked = false, int $uid = 0, int $limit = 0, int $offset = 0): array
3566 if (empty($search)) {
3570 // check supported networks
3571 $networks = [Protocol::DFRN, Protocol::ACTIVITYPUB];
3572 if (DI::config()->get('system', 'diaspora_enabled')) {
3573 $networks[] = Protocol::DIASPORA;
3576 if (!DI::config()->get('system', 'ostatus_disabled')) {
3577 $networks[] = Protocol::OSTATUS;
3581 'network' => $networks,
3582 'server-failed' => false,
3585 'unsearchable' => false,
3589 if (!$show_blocked) {
3590 $condition['server-blocked'] = true;
3594 $condition['blocked'] = false;
3596 $condition['rel'] = [Contact::SHARING, Contact::FRIEND];
3599 // check if we search only communities or every contact
3600 if ($mode === 'community') {
3601 $condition['contact-type'] = self::TYPE_COMMUNITY;
3608 if (!empty($limit) && !empty($offset)) {
3609 $params['limit'] = [$offset, $limit];
3610 } elseif (!empty($limit)) {
3611 $params['limit'] = $limit;
3614 $condition = DBA::mergeConditions(
3616 ["(`addr` LIKE ? OR `name` LIKE ? OR `nick` LIKE ?)", $search, $search, $search]
3619 return DBA::selectToArray('account-user-view', [], $condition, $params);
3623 * Add public contacts from an array
3625 * @param array $urls
3626 * @return array result "count", "added" and "updated"
3628 public static function addByUrls(array $urls): array
3635 foreach ($urls as $url) {
3636 if (empty($url) || !is_string($url)) {
3639 $contact = self::getByURL($url, false, ['id', 'network', 'next-update']);
3640 if (empty($contact['id']) && Network::isValidHttpUrl($url)) {
3641 Worker::add(Worker::PRIORITY_LOW, 'AddContact', 0, $url);
3643 } elseif (!empty($contact['network']) && Protocol::supportsProbe($contact['network']) && ($contact['next-update'] < DateTimeFormat::utcNow())) {
3645 UpdateContact::add(['priority' => Worker::PRIORITY_LOW, 'dont_fork' => true], $contact['id']);
3647 } catch (\InvalidArgumentException $e) {
3648 Logger::notice($e->getMessage(), ['contact' => $contact]);
3656 return ['count' => $count, 'added' => $added, 'updated' => $updated, 'unchanged' => $unchanged];
3660 * Returns a random, global contact array of the current node
3662 * @return array The profile array
3665 public static function getRandomContact(): array
3667 $contact = DBA::selectFirst('contact', ['id', 'network', 'url', 'alias', 'uid'], [
3668 "`uid` = ? AND `network` = ? AND NOT `failed` AND `last-item` > ?",
3669 0, Protocol::DFRN, DateTimeFormat::utc('now - 1 month'),
3670 ], ['order' => ['RAND()']]);
3672 if (DBA::isResult($contact)) {
3680 * Checks, if contacts with the given condition exists
3682 * @param array $condition
3685 * @throws \Exception
3687 public static function exists(array $condition): bool
3689 return DBA::exists('contact', $condition);