friendica/src/Model/Contact.php

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<?php
/**
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* @copyright Copyright (C) 2010-2022, the Friendica project
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*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
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namespace Friendica\Model;
use Friendica\Contact\Avatar;
use Friendica\Contact\Introduction\Exception\IntroductionNotFoundException;
use Friendica\Content\Pager;
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use Friendica\Content\Text\HTML;
use Friendica\Core\Hook;
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use Friendica\Core\Logger;
use Friendica\Core\Protocol;
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use Friendica\Core\Renderer;
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use Friendica\Core\Session;
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use Friendica\Core\System;
use Friendica\Core\Worker;
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use Friendica\Database\Database;
use Friendica\Database\DBA;
use Friendica\DI;
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use Friendica\Module\NoScrape;
use Friendica\Network\HTTPException;
use Friendica\Network\Probe;
use Friendica\Protocol\Activity;
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use Friendica\Protocol\ActivityPub;
use Friendica\Util\DateTimeFormat;
use Friendica\Util\Images;
use Friendica\Util\Network;
use Friendica\Util\Proxy;
use Friendica\Util\Strings;
/**
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* functions for interacting with a contact
*/
class Contact
{
const DEFAULT_AVATAR_PHOTO = '/images/person-300.jpg';
const DEFAULT_AVATAR_THUMB = '/images/person-80.jpg';
const DEFAULT_AVATAR_MICRO = '/images/person-48.jpg';
/**
* @}
*/
const LOCK_INSERT = 'contact-insert';
/**
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* Account types
*
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* TYPE_UNKNOWN - unknown type
*
* TYPE_PERSON - the account belongs to a person
* Associated page types: PAGE_NORMAL, PAGE_SOAPBOX, PAGE_FREELOVE
*
* TYPE_ORGANISATION - the account belongs to an organisation
* Associated page type: PAGE_SOAPBOX
*
* TYPE_NEWS - the account is a news reflector
* Associated page type: PAGE_SOAPBOX
*
* TYPE_COMMUNITY - the account is community forum
* Associated page types: PAGE_COMMUNITY, PAGE_PRVGROUP
*
* TYPE_RELAY - the account is a relay
* This will only be assigned to contacts, not to user accounts
* @{
*/
const TYPE_UNKNOWN = -1;
const TYPE_PERSON = User::ACCOUNT_TYPE_PERSON;
const TYPE_ORGANISATION = User::ACCOUNT_TYPE_ORGANISATION;
const TYPE_NEWS = User::ACCOUNT_TYPE_NEWS;
const TYPE_COMMUNITY = User::ACCOUNT_TYPE_COMMUNITY;
const TYPE_RELAY = User::ACCOUNT_TYPE_RELAY;
/**
* @}
*/
/**
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* Contact_is
*
* Relationship types
* @{
*/
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const NOTHING = 0;
const FOLLOWER = 1;
const SHARING = 2;
const FRIEND = 3;
const SELF = 4;
/**
* @}
*/
const MIRROR_DEACTIVATED = 0;
const MIRROR_FORWARDED = 1;
const MIRROR_OWN_POST = 2;
const MIRROR_NATIVE_RESHARE = 3;
/**
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* @param array $fields Array of selected fields, empty for all
* @param array $condition Array of fields for condition
* @param array $params Array of several parameters
* @return array
* @throws \Exception
*/
public static function selectToArray(array $fields = [], array $condition = [], array $params = [])
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{
return DBA::selectToArray('contact', $fields, $condition, $params);
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}
/**
* @param array $fields Array of selected fields, empty for all
* @param array $condition Array of fields for condition
* @param array $params Array of several parameters
* @return array
* @throws \Exception
*/
public static function selectFirst(array $fields = [], array $condition = [], array $params = [])
{
$contact = DBA::selectFirst('contact', $fields, $condition, $params);
return $contact;
}
/**
* Insert a row into the contact table
* Important: You can't use DBA::lastInsertId() after this call since it will be set to 0.
*
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* @param array $fields field array
* @param int $duplicate_mode Do an update on a duplicate entry
*
* @return int id of the created contact
* @throws \Exception
*/
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public static function insert(array $fields, int $duplicate_mode = Database::INSERT_DEFAULT)
{
if (!empty($fields['baseurl']) && empty($fields['gsid'])) {
$fields['gsid'] = GServer::getID($fields['baseurl'], true);
}
$fields['uri-id'] = ItemURI::getIdByURI($fields['url']);
if (empty($fields['created'])) {
$fields['created'] = DateTimeFormat::utcNow();
}
DBA::insert('contact', $fields, $duplicate_mode);
$contact = DBA::selectFirst('contact', [], ['id' => DBA::lastInsertId()]);
if (!DBA::isResult($contact)) {
// Shouldn't happen
Logger::warning('Created contact could not be found', ['fields' => $fields]);
return 0;
}
Contact\User::insertForContactArray($contact);
// Search for duplicated contacts and get rid of them
if (!$contact['self']) {
self::removeDuplicates($contact['nurl'], $contact['uid']);
}
return $contact['id'];
}
/**
* Updates rows in the contact table
*
* @param array $fields contains the fields that are updated
* @param array $condition condition array with the key values
* @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)
*
* @return boolean was the update successfull?
* @throws \Exception
*/
public static function update(array $fields, array $condition, $old_fields = [])
{
$ret = DBA::update('contact', $fields, $condition, $old_fields);
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// Apply changes to the "user-contact" table on dedicated fields
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Contact\User::updateByContactUpdate($fields, $condition);
return $ret;
}
/**
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* @param integer $id Contact ID
* @param array $fields Array of selected fields, empty for all
* @return array|boolean Contact record if it exists, false otherwise
* @throws \Exception
*/
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public static function getById($id, $fields = [])
{
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return DBA::selectFirst('contact', $fields, ['id' => $id]);
}
/**
* Fetch the first contact with the provided uri-id.
*
* @param integer $uri_id uri-id of the contact
* @param array $fields Array of selected fields, empty for all
* @return array|boolean Contact record if it exists, false otherwise
* @throws \Exception
*/
public static function getByUriId($uri_id, $fields = [])
{
return DBA::selectFirst('contact', $fields, ['uri-id' => $uri_id], ['order' => ['uid']]);
}
/**
* Fetches a contact by a given url
*
* @param string $url profile url
* @param boolean $update true = always update, false = never update, null = update when not found or outdated
* @param array $fields Field list
* @param integer $uid User ID of the contact
* @return array contact array
*/
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public static function getByURL(string $url, $update = null, array $fields = [], int $uid = 0)
{
if ($update || is_null($update)) {
$cid = self::getIdForURL($url, $uid, $update);
if (empty($cid)) {
return [];
}
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$contact = self::getById($cid, $fields);
if (empty($contact)) {
return [];
}
return $contact;
}
// Add internal fields
$removal = [];
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if (!empty($fields)) {
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foreach (['id', 'avatar', 'created', 'updated', 'last-update', 'success_update', 'failure_update', 'network'] as $internal) {
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if (!in_array($internal, $fields)) {
$fields[] = $internal;
$removal[] = $internal;
}
}
}
// We first try the nurl (http://server.tld/nick), most common case
$options = ['order' => ['id']];
$contact = DBA::selectFirst('contact', $fields, ['nurl' => Strings::normaliseLink($url), 'uid' => $uid, 'deleted' => false], $options);
// Then the addr (nick@server.tld)
if (!DBA::isResult($contact)) {
$contact = DBA::selectFirst('contact', $fields, ['addr' => str_replace('acct:', '', $url), 'uid' => $uid, 'deleted' => false], $options);
}
// Then the alias (which could be anything)
if (!DBA::isResult($contact)) {
// The link could be provided as http although we stored it as https
$ssl_url = str_replace('http://', 'https://', $url);
$condition = ['`alias` IN (?, ?, ?) AND `uid` = ? AND NOT `deleted`', $url, Strings::normaliseLink($url), $ssl_url, $uid];
$contact = DBA::selectFirst('contact', $fields, $condition, $options);
}
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if (!DBA::isResult($contact)) {
return [];
}
// Update the contact in the background if needed
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$updated = max($contact['success_update'], $contact['created'], $contact['updated'], $contact['last-update'], $contact['failure_update']);
if (($updated < DateTimeFormat::utc('now -7 days')) && in_array($contact['network'], Protocol::FEDERATED) && !self::isLocalById($contact['id'])) {
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Worker::add(PRIORITY_LOW, "UpdateContact", $contact['id']);
}
// Remove the internal fields
foreach ($removal as $internal) {
unset($contact[$internal]);
}
return $contact;
}
/**
* Fetches a contact for a given user by a given url.
* In difference to "getByURL" the function will fetch a public contact when no user contact had been found.
*
* @param string $url profile url
* @param integer $uid User ID of the contact
* @param boolean $update true = always update, false = never update, null = update when not found or outdated
* @param array $fields Field list
* @return array contact array
*/
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public static function getByURLForUser(string $url, int $uid = 0, $update = false, array $fields = [])
{
if ($uid != 0) {
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$contact = self::getByURL($url, $update, $fields, $uid);
if (!empty($contact)) {
if (!empty($contact['id'])) {
$contact['cid'] = $contact['id'];
$contact['zid'] = 0;
}
return $contact;
}
}
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$contact = self::getByURL($url, $update, $fields);
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if (!empty($contact['id'])) {
$contact['cid'] = 0;
$contact['zid'] = $contact['id'];
}
return $contact;
}
/**
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* Tests if the given contact is a follower
*
* @param int $cid Either public contact id or user's contact id
* @param int $uid User ID
*
* @return boolean is the contact id a follower?
* @throws HTTPException\InternalServerErrorException
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* @throws \ImagickException
*/
public static function isFollower($cid, $uid)
{
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if (Contact\User::isBlocked($cid, $uid)) {
return false;
}
$cdata = self::getPublicAndUserContactID($cid, $uid);
if (empty($cdata['user'])) {
return false;
}
$condition = ['id' => $cdata['user'], 'rel' => [self::FOLLOWER, self::FRIEND]];
return DBA::exists('contact', $condition);
}
/**
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* Tests if the given contact url is a follower
*
* @param string $url Contact URL
* @param int $uid User ID
*
* @return boolean is the contact id a follower?
* @throws HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function isFollowerByURL($url, $uid)
{
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$cid = self::getIdForURL($url, $uid);
if (empty($cid)) {
return false;
}
return self::isFollower($cid, $uid);
}
/**
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* Tests if the given user follow the given contact
*
* @param int $cid Either public contact id or user's contact id
* @param int $uid User ID
*
* @return boolean is the contact url being followed?
* @throws HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function isSharing($cid, $uid)
{
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if (Contact\User::isBlocked($cid, $uid)) {
return false;
}
$cdata = self::getPublicAndUserContactID($cid, $uid);
if (empty($cdata['user'])) {
return false;
}
$condition = ['id' => $cdata['user'], 'rel' => [self::SHARING, self::FRIEND]];
return DBA::exists('contact', $condition);
}
/**
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* Tests if the given user follow the given contact url
*
* @param string $url Contact URL
* @param int $uid User ID
*
* @return boolean is the contact url being followed?
* @throws HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function isSharingByURL($url, $uid)
{
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$cid = self::getIdForURL($url, $uid);
if (empty($cid)) {
return false;
}
return self::isSharing($cid, $uid);
}
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/**
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* Get the basepath for a given contact link
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*
* @param string $url The contact link
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* @param boolean $dont_update Don't update the contact
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*
* @return string basepath
* @throws HTTPException\InternalServerErrorException
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* @throws \ImagickException
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*/
public static function getBasepath($url, $dont_update = false)
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{
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$contact = DBA::selectFirst('contact', ['id', 'baseurl'], ['uid' => 0, 'nurl' => Strings::normaliseLink($url)]);
if (!DBA::isResult($contact)) {
return '';
}
if (!empty($contact['baseurl'])) {
return $contact['baseurl'];
} elseif ($dont_update) {
return '';
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}
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// Update the existing contact
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self::updateFromProbe($contact['id']);
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// And fetch the result
$contact = DBA::selectFirst('contact', ['baseurl'], ['id' => $contact['id']]);
if (empty($contact['baseurl'])) {
Logger::info('No baseurl for contact', ['url' => $url]);
return '';
}
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Logger::info('Found baseurl for contact', ['url' => $url, 'baseurl' => $contact['baseurl']]);
return $contact['baseurl'];
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}
/**
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* Check if the given contact url is on the same server
*
* @param string $url The contact link
*
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* @return boolean Is it the same server?
*/
public static function isLocal($url)
{
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if (!parse_url($url, PHP_URL_SCHEME)) {
$addr_parts = explode('@', $url);
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return (count($addr_parts) == 2) && ($addr_parts[1] == DI::baseUrl()->getHostname());
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}
return Strings::compareLink(self::getBasepath($url, true), DI::baseUrl());
}
/**
* Check if the given contact ID is on the same server
*
* @param string $url The contact link
*
* @return boolean Is it the same server?
*/
public static function isLocalById(int $cid)
{
$contact = DBA::selectFirst('contact', ['url', 'baseurl'], ['id' => $cid]);
if (!DBA::isResult($contact)) {
return false;
}
if (empty($contact['baseurl'])) {
$baseurl = self::getBasepath($contact['url'], true);
} else {
$baseurl = $contact['baseurl'];
}
return Strings::compareLink($baseurl, DI::baseUrl());
}
/**
* Returns the public contact id of the given user id
*
* @param integer $uid User ID
*
* @return integer|boolean Public contact id for given user id
* @throws \Exception
*/
public static function getPublicIdByUserId($uid)
{
$self = DBA::selectFirst('contact', ['url'], ['self' => true, 'uid' => $uid]);
if (!DBA::isResult($self)) {
return false;
}
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return self::getIdForURL($self['url']);
}
/**
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* Returns the contact id for the user and the public contact id for a given contact id
*
* @param int $cid Either public contact id or user's contact id
* @param int $uid User ID
*
* @return array with public and user's contact id
* @throws HTTPException\InternalServerErrorException
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* @throws \ImagickException
*/
public static function getPublicAndUserContactID($cid, $uid)
{
// We have to use the legacy function as long as the post update hasn't finished
if (DI::config()->get('system', 'post_update_version') < 1427) {
return self::legacyGetPublicAndUserContactID($cid, $uid);
}
if (empty($uid) || empty($cid)) {
return [];
}
$contact = DBA::selectFirst('account-user-view', ['id', 'uid', 'pid'], ['id' => $cid]);
if (!DBA::isResult($contact) || !in_array($contact['uid'], [0, $uid])) {
return [];
}
$pcid = $contact['pid'];
if ($contact['uid'] == $uid) {
$ucid = $contact['id'];
} else {
$contact = DBA::selectFirst('account-user-view', ['id', 'uid'], ['pid' => $cid, 'uid' => $uid]);
if (DBA::isResult($contact)) {
$ucid = $contact['id'];
} else {
$ucid = 0;
}
}
return ['public' => $pcid, 'user' => $ucid];
}
/**
* Helper function for "getPublicAndUserContactID"
*
* @param int $cid Either public contact id or user's contact id
* @param int $uid User ID
*
* @return array with public and user's contact id
* @throws HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
private static function legacyGetPublicAndUserContactID($cid, $uid)
{
if (empty($uid) || empty($cid)) {
return [];
}
$contact = DBA::selectFirst('contact', ['id', 'uid', 'url'], ['id' => $cid]);
if (!DBA::isResult($contact)) {
return [];
}
// We quit when the user id don't match the user id of the provided contact
if (($contact['uid'] != $uid) && ($contact['uid'] != 0)) {
return [];
}
if ($contact['uid'] != 0) {
$pcid = self::getIdForURL($contact['url'], 0, false, ['url' => $contact['url']]);
if (empty($pcid)) {
return [];
}
$ucid = $contact['id'];
} else {
$pcid = $contact['id'];
$ucid = self::getIdForURL($contact['url'], $uid);
}
return ['public' => $pcid, 'user' => $ucid];
}
/**
* Returns contact details for a given contact id in combination with a user id
*
* @param int $cid A contact ID
* @param int $uid The User ID
* @param array $fields The selected fields for the contact
*
* @return array The contact details
*
* @throws \Exception
*/
public static function getContactForUser($cid, $uid, array $fields = [])
{
$contact = DBA::selectFirst('contact', $fields, ['id' => $cid, 'uid' => $uid]);
if (!DBA::isResult($contact)) {
return [];
} else {
return $contact;
}
}
/**
* Creates the self-contact for the provided user id
*
* @param int $uid
* @return bool Operation success
* @throws HTTPException\InternalServerErrorException
*/
public static function createSelfFromUserId($uid)
{
$user = DBA::selectFirst('user', ['uid', 'username', 'nickname', 'pubkey', 'prvkey'],
['uid' => $uid, 'account_expired' => false]);
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if (!DBA::isResult($user)) {
return false;
}
$contact = [
'uid' => $user['uid'],
'created' => DateTimeFormat::utcNow(),
'self' => 1,
'name' => $user['username'],
'nick' => $user['nickname'],
'pubkey' => $user['pubkey'],
'prvkey' => $user['prvkey'],
'photo' => User::getAvatarUrl($user),
'thumb' => User::getAvatarUrl($user, Proxy::SIZE_THUMB),
'micro' => User::getAvatarUrl($user, Proxy::SIZE_MICRO),
'blocked' => 0,
'pending' => 0,
'url' => DI::baseUrl() . '/profile/' . $user['nickname'],
'nurl' => Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']),
'addr' => $user['nickname'] . '@' . substr(DI::baseUrl(), strpos(DI::baseUrl(), '://') + 3),
'request' => DI::baseUrl() . '/dfrn_request/' . $user['nickname'],
'notify' => DI::baseUrl() . '/dfrn_notify/' . $user['nickname'],
'poll' => DI::baseUrl() . '/dfrn_poll/' . $user['nickname'],
'confirm' => DI::baseUrl() . '/dfrn_confirm/' . $user['nickname'],
'poco' => DI::baseUrl() . '/poco/' . $user['nickname'],
'name-date' => DateTimeFormat::utcNow(),
'uri-date' => DateTimeFormat::utcNow(),
'avatar-date' => DateTimeFormat::utcNow(),
'closeness' => 0
];
$return = true;
// Only create the entry if it doesn't exist yet
if (!DBA::exists('contact', ['uid' => $uid, 'self' => true])) {
$return = (bool)self::insert($contact);
}
// Create the public contact
if (!DBA::exists('contact', ['nurl' => $contact['nurl'], 'uid' => 0])) {
$contact['self'] = false;
$contact['uid'] = 0;
$contact['prvkey'] = null;
self::insert($contact, Database::INSERT_IGNORE);
}
return $return;
}
/**
* Updates the self-contact for the provided user id
*
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* @param int $uid
* @param boolean $update_avatar Force the avatar update
* @return bool "true" if updated
* @throws HTTPException\InternalServerErrorException
*/
public static function updateSelfFromUserID($uid, $update_avatar = false)
{
$fields = ['id', 'name', 'nick', 'location', 'about', 'keywords', 'avatar', 'prvkey', 'pubkey', 'manually-approve',
'xmpp', 'matrix', 'contact-type', 'forum', 'prv', 'avatar-date', 'url', 'nurl', 'unsearchable',
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'photo', 'thumb', 'micro', 'header', 'addr', 'request', 'notify', 'poll', 'confirm', 'poco', 'network'];
$self = DBA::selectFirst('contact', $fields, ['uid' => $uid, 'self' => true]);
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if (!DBA::isResult($self)) {
return false;
}
$fields = ['uid', 'nickname', 'page-flags', 'account-type', 'prvkey', 'pubkey'];
$user = DBA::selectFirst('user', $fields, ['uid' => $uid, 'account_expired' => false]);
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if (!DBA::isResult($user)) {
return false;
}
$fields = ['name', 'photo', 'thumb', 'about', 'address', 'locality', 'region',
'country-name', 'pub_keywords', 'xmpp', 'matrix', 'net-publish'];
$profile = DBA::selectFirst('profile', $fields, ['uid' => $uid]);
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if (!DBA::isResult($profile)) {
return false;
}
$file_suffix = 'jpg';
$fields = ['name' => $profile['name'], 'nick' => $user['nickname'],
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'avatar-date' => $self['avatar-date'], 'location' => Profile::formatLocation($profile),
'about' => $profile['about'], 'keywords' => $profile['pub_keywords'],
'contact-type' => $user['account-type'], 'prvkey' => $user['prvkey'],
'pubkey' => $user['pubkey'], 'xmpp' => $profile['xmpp'], 'matrix' => $profile['matrix'], 'network' => Protocol::DFRN];
// it seems as if ported accounts can have wrong values, so we make sure that now everything is fine.
$fields['url'] = DI::baseUrl() . '/profile/' . $user['nickname'];
$fields['nurl'] = Strings::normaliseLink($fields['url']);
$fields['addr'] = $user['nickname'] . '@' . substr(DI::baseUrl(), strpos(DI::baseUrl(), '://') + 3);
$fields['request'] = DI::baseUrl() . '/dfrn_request/' . $user['nickname'];
$fields['notify'] = DI::baseUrl() . '/dfrn_notify/' . $user['nickname'];
$fields['poll'] = DI::baseUrl() . '/dfrn_poll/'. $user['nickname'];
$fields['confirm'] = DI::baseUrl() . '/dfrn_confirm/' . $user['nickname'];
$fields['poco'] = DI::baseUrl() . '/poco/' . $user['nickname'];
$avatar = Photo::selectFirst(['resource-id', 'type'], ['uid' => $uid, 'profile' => true]);
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if (DBA::isResult($avatar)) {
if ($update_avatar) {
$fields['avatar-date'] = DateTimeFormat::utcNow();
}
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// Creating the path to the avatar, beginning with the file suffix
$types = Images::supportedTypes();
if (isset($types[$avatar['type']])) {
$file_suffix = $types[$avatar['type']];
}
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// We are adding a timestamp value so that other systems won't use cached content
$timestamp = strtotime($fields['avatar-date']);
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$prefix = DI::baseUrl() . '/photo/' .$avatar['resource-id'] . '-';
$suffix = '.' . $file_suffix . '?ts=' . $timestamp;
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$fields['photo'] = $prefix . '4' . $suffix;
$fields['thumb'] = $prefix . '5' . $suffix;
$fields['micro'] = $prefix . '6' . $suffix;
} else {
// We hadn't found a photo entry, so we use the default avatar
$fields['photo'] = self::getDefaultAvatar($fields, Proxy::SIZE_SMALL);
$fields['thumb'] = self::getDefaultAvatar($fields, Proxy::SIZE_THUMB);
$fields['micro'] = self::getDefaultAvatar($fields, Proxy::SIZE_MICRO);
}
$fields['avatar'] = User::getAvatarUrl($user);
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$fields['header'] = User::getBannerUrl($user);
$fields['forum'] = $user['page-flags'] == User::PAGE_FLAGS_COMMUNITY;
$fields['prv'] = $user['page-flags'] == User::PAGE_FLAGS_PRVGROUP;
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$fields['unsearchable'] = !$profile['net-publish'];
$fields['manually-approve'] = in_array($user['page-flags'], [User::PAGE_FLAGS_NORMAL, User::PAGE_FLAGS_PRVGROUP]);
$update = false;
foreach ($fields as $field => $content) {
if ($self[$field] != $content) {
$update = true;
}
}
if ($update) {
if ($fields['name'] != $self['name']) {
$fields['name-date'] = DateTimeFormat::utcNow();
}
$fields['updated'] = DateTimeFormat::utcNow();
self::update($fields, ['id' => $self['id']]);
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// Update the public contact as well
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$fields['prvkey'] = null;
$fields['self'] = false;
self::update($fields, ['uid' => 0, 'nurl' => $self['nurl']]);
// Update the profile
$fields = [
'photo' => User::getAvatarUrl($user),
'thumb' => User::getAvatarUrl($user, Proxy::SIZE_THUMB)
];
DBA::update('profile', $fields, ['uid' => $uid]);
}
return $update;
}
/**
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* Marks a contact for removal
*
* @param int $id contact id
* @throws HTTPException\InternalServerErrorException
*/
public static function remove($id)
{
// We want just to make sure that we don't delete our "self" contact
$contact = DBA::selectFirst('contact', ['uri-id', 'photo', 'thumb', 'micro', 'uid'], ['id' => $id, 'self' => false]);
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if (!DBA::isResult($contact)) {
return;
}
self::clearFollowerFollowingEndpointCache($contact['uid']);
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// Archive the contact
self::update(['archive' => true, 'network' => Protocol::PHANTOM, 'deleted' => true], ['id' => $id]);
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if (!DBA::exists('contact', ['uri-id' => $contact['uri-id'], 'deleted' => false])) {
Avatar::deleteCache($contact);
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}
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// Delete it in the background
Worker::add(PRIORITY_MEDIUM, 'Contact\Remove', $id);
}
/**
* Unfollow the remote contact
*
* @param array $contact Target user-specific contact (uid != 0) array
* @throws HTTPException\InternalServerErrorException
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* @throws \ImagickException
*/
public static function unfollow(array $contact): void
{
if (empty($contact['network'])) {
throw new \InvalidArgumentException('Empty network in contact array');
}
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if (empty($contact['uid'])) {
throw new \InvalidArgumentException('Unexpected public contact record');
}
if (in_array($contact['rel'], [self::SHARING, self::FRIEND])) {
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$cdata = self::getPublicAndUserContactID($contact['id'], $contact['uid']);
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if (!empty($cdata['public'])) {
Worker::add(PRIORITY_HIGH, 'Contact\Unfollow', $cdata['public'], $contact['uid']);
}
}
self::removeSharer($contact);
}
/**
* Revoke follow privileges of the remote user contact
*
* The local relationship is updated immediately, the eventual remote server is messaged in the background.
*
* @param array $contact User-specific contact array (uid != 0) to revoke the follow from
* @throws HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function revokeFollow(array $contact): void
{
if (empty($contact['network'])) {
throw new \InvalidArgumentException('Empty network in contact array');
}
if (empty($contact['uid'])) {
throw new \InvalidArgumentException('Unexpected public contact record');
}
if (in_array($contact['rel'], [self::FOLLOWER, self::FRIEND])) {
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$cdata = self::getPublicAndUserContactID($contact['id'], $contact['uid']);
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if (!empty($cdata['public'])) {
Worker::add(PRIORITY_HIGH, 'Contact\RevokeFollow', $cdata['public'], $contact['uid']);
}
}
self::removeFollower($contact);
}
/**
* Completely severs a relationship with a contact
*
* @param array $contact User-specific contact (uid != 0) array
* @throws HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function terminateFriendship(array $contact)
{
if (empty($contact['network'])) {
throw new \InvalidArgumentException('Empty network in contact array');
}
if (empty($contact['uid'])) {
throw new \InvalidArgumentException('Unexpected public contact record');
}
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$cdata = self::getPublicAndUserContactID($contact['id'], $contact['uid']);
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if (in_array($contact['rel'], [self::SHARING, self::FRIEND]) && !empty($cdata['public'])) {
Worker::add(PRIORITY_HIGH, 'Contact\Unfollow', $cdata['public'], $contact['uid']);
}
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if (in_array($contact['rel'], [self::FOLLOWER, self::FRIEND]) && !empty($cdata['public'])) {
Worker::add(PRIORITY_HIGH, 'Contact\RevokeFollow', $cdata['public'], $contact['uid']);
}
self::remove($contact['id']);
}
private static function clearFollowerFollowingEndpointCache(int $uid)
{
if (empty($uid)) {
return;
}
DI::cache()->delete(ActivityPub\Transmitter::CACHEKEY_CONTACTS . 'followers:' . $uid);
DI::cache()->delete(ActivityPub\Transmitter::CACHEKEY_CONTACTS . 'following:' . $uid);
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DI::cache()->delete(NoScrape::CACHEKEY . $uid);
}
/**
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* Marks a contact for archival after a communication issue delay
*
* Contact has refused to recognise us as a friend. We will start a countdown.
* If they still don't recognise us in 32 days, the relationship is over,
* and we won't waste any more time trying to communicate with them.
* This provides for the possibility that their database is temporarily messed
* up or some other transient event and that there's a possibility we could recover from it.
*
* @param array $contact contact to mark for archival
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* @return null
* @throws HTTPException\InternalServerErrorException
*/
public static function markForArchival(array $contact)
{
if (!isset($contact['url']) && !empty($contact['id'])) {
$fields = ['id', 'url', 'archive', 'self', 'term-date'];
$contact = DBA::selectFirst('contact', $fields, ['id' => $contact['id']]);
if (!DBA::isResult($contact)) {
return;
}
} elseif (!isset($contact['url'])) {
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Logger::info('Empty contact', ['contact' => $contact, 'callstack' => System::callstack(20)]);
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}
Logger::info('Contact is marked for archival', ['id' => $contact['id'], 'term-date' => $contact['term-date']]);
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// Contact already archived or "self" contact? => nothing to do
if ($contact['archive'] || $contact['self']) {
return;
}
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if ($contact['term-date'] <= DBA::NULL_DATETIME) {
self::update(['term-date' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
self::update(['term-date' => DateTimeFormat::utcNow()], ['`nurl` = ? AND `term-date` <= ? AND NOT `self`', Strings::normaliseLink($contact['url']), DBA::NULL_DATETIME]);
} else {
/* @todo
* We really should send a notification to the owner after 2-3 weeks
* so they won't be surprised when the contact vanishes and can take
* remedial action if this was a serious mistake or glitch
*/
/// @todo Check for contact vitality via probing
$archival_days = DI::config()->get('system', 'archival_days', 32);
$expiry = $contact['term-date'] . ' + ' . $archival_days . ' days ';
if (DateTimeFormat::utcNow() > DateTimeFormat::utc($expiry)) {
/* Relationship is really truly dead. archive them rather than
* delete, though if the owner tries to unarchive them we'll start
* the whole process over again.
*/
self::update(['archive' => true], ['id' => $contact['id']]);
self::update(['archive' => true], ['nurl' => Strings::normaliseLink($contact['url']), 'self' => false]);
}
}
}
/**
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* Cancels the archival countdown
*
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* @see Contact::markForArchival()
*
* @param array $contact contact to be unmarked for archival
* @return null
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* @throws \Exception
*/
public static function unmarkForArchival(array $contact)
{
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// Always unarchive the relay contact entry
if (!empty($contact['batch']) && !empty($contact['term-date']) && ($contact['term-date'] > DBA::NULL_DATETIME)) {
$fields = ['failed' => false, 'term-date' => DBA::NULL_DATETIME, 'archive' => false];
$condition = ['uid' => 0, 'network' => Protocol::FEDERATED, 'batch' => $contact['batch'], 'contact-type' => self::TYPE_RELAY];
if (!DBA::exists('contact', array_merge($condition, $fields))) {
self::update($fields, $condition);
}
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}
$condition = ['`id` = ? AND (`term-date` > ? OR `archive`)', $contact['id'], DBA::NULL_DATETIME];
$exists = DBA::exists('contact', $condition);
// We don't need to update, we never marked this contact for archival
if (!$exists) {
return;
}
Logger::info('Contact is marked as vital again', ['id' => $contact['id'], 'term-date' => $contact['term-date']]);
if (!isset($contact['url']) && !empty($contact['id'])) {
$fields = ['id', 'url', 'batch'];
$contact = DBA::selectFirst('contact', $fields, ['id' => $contact['id']]);
if (!DBA::isResult($contact)) {
return;
}
}
// It's a miracle. Our dead contact has inexplicably come back to life.
$fields = ['failed' => false, 'term-date' => DBA::NULL_DATETIME, 'archive' => false];
self::update($fields, ['id' => $contact['id']]);
self::update($fields, ['nurl' => Strings::normaliseLink($contact['url']), 'self' => false]);
}
/**
2020-01-19 06:05:23 +00:00
* Returns the data array for the photo menu of a given contact
*
* @param array $contact contact
* @param int $uid optional, default 0
* @return array
* @throws HTTPException\InternalServerErrorException
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* @throws \ImagickException
*/
public static function photoMenu(array $contact, $uid = 0)
{
$pm_url = '';
$status_link = '';
$photos_link = '';
$poke_link = '';
if ($uid == 0) {
$uid = local_user();
}
if (empty($contact['uid']) || ($contact['uid'] != $uid)) {
if ($uid == 0) {
$profile_link = self::magicLinkByContact($contact);
$menu = ['profile' => [DI::l10n()->t('View Profile'), $profile_link, true]];
return $menu;
}
// Look for our own contact if the uid doesn't match and isn't public
$contact_own = DBA::selectFirst('contact', [], ['nurl' => $contact['nurl'], 'network' => $contact['network'], 'uid' => $uid]);
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if (DBA::isResult($contact_own)) {
return self::photoMenu($contact_own, $uid);
}
}
$sparkle = false;
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if (($contact['network'] === Protocol::DFRN) && !$contact['self'] && empty($contact['pending'])) {
$sparkle = true;
$profile_link = DI::baseUrl() . '/redir/' . $contact['id'];
} else {
$profile_link = $contact['url'];
}
if ($profile_link === 'mailbox') {
$profile_link = '';
}
if ($sparkle) {
$status_link = $profile_link . '/status';
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$photos_link = str_replace('/profile/', '/photos/', $profile_link);
$profile_link = $profile_link . '/profile';
}
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if (self::canReceivePrivateMessages($contact) && empty($contact['pending'])) {
$pm_url = DI::baseUrl() . '/message/new/' . $contact['id'];
}
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if (($contact['network'] == Protocol::DFRN) && !$contact['self'] && empty($contact['pending'])) {
$poke_link = 'contact/' . $contact['id'] . '/poke';
}
$contact_url = DI::baseUrl() . '/contact/' . $contact['id'];
$posts_link = DI::baseUrl() . '/contact/' . $contact['id'] . '/conversations';
$follow_link = '';
$unfollow_link = '';
if (!$contact['self'] && Protocol::supportsFollow($contact['network'])) {
if ($contact['uid'] && in_array($contact['rel'], [self::SHARING, self::FRIEND])) {
$unfollow_link = 'unfollow?url=' . urlencode($contact['url']) . '&auto=1';
} elseif(!$contact['pending']) {
$follow_link = 'follow?url=' . urlencode($contact['url']) . '&auto=1';
}
}
/**
* Menu array:
* "name" => [ "Label", "link", (bool)Should the link opened in a new tab? ]
*/
if (empty($contact['uid'])) {
$menu = [
'profile' => [DI::l10n()->t('View Profile') , $profile_link , true],
'network' => [DI::l10n()->t('Network Posts') , $posts_link , false],
'edit' => [DI::l10n()->t('View Contact') , $contact_url , false],
'follow' => [DI::l10n()->t('Connect/Follow'), $follow_link , true],
'unfollow'=> [DI::l10n()->t('UnFollow') , $unfollow_link, true],
];
} else {
$menu = [
'status' => [DI::l10n()->t('View Status') , $status_link , true],
'profile' => [DI::l10n()->t('View Profile') , $profile_link , true],
'photos' => [DI::l10n()->t('View Photos') , $photos_link , true],
'network' => [DI::l10n()->t('Network Posts') , $posts_link , false],
'edit' => [DI::l10n()->t('View Contact') , $contact_url , false],
'pm' => [DI::l10n()->t('Send PM') , $pm_url , false],
'poke' => [DI::l10n()->t('Poke') , $poke_link , false],
'follow' => [DI::l10n()->t('Connect/Follow'), $follow_link , true],
'unfollow'=> [DI::l10n()->t('UnFollow') , $unfollow_link , true],
];
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if (!empty($contact['pending'])) {
try {
$intro = DI::intro()->selectForContact($contact['id']);
$menu['follow'] = [DI::l10n()->t('Approve'), 'notifications/intros/' . $intro->id, true];
} catch (IntroductionNotFoundException $exception) {
DI::logger()->error('Pending contact doesn\'t have an introduction.', ['exception' => $exception]);
}
}
}
$args = ['contact' => $contact, 'menu' => &$menu];
Hook::callAll('contact_photo_menu', $args);
$menucondensed = [];
foreach ($menu as $menuname => $menuitem) {
if ($menuitem[1] != '') {
$menucondensed[$menuname] = $menuitem;
}
}
return $menucondensed;
}
/**
2020-01-19 06:05:23 +00:00
* Fetch the contact id for a given URL and user
*
* First lookup in the contact table to find a record matching either `url`, `nurl`,
* `addr` or `alias`.
*
* If there's no record and we aren't looking for a public contact, we quit.
* If there's one, we check that it isn't time to update the picture else we
* directly return the found contact id.
*
* Second, we probe the provided $url whether it's http://server.tld/profile or
* nick@server.tld. We quit if we can't get any info back.
*
* Third, we create the contact record if it doesn't exist
*
* Fourth, we update the existing record with the new data (avatar, alias, nick)
* if there's any updates
*
* @param string $url Contact URL
* @param integer $uid The user id for the contact (0 = public contact)
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* @param boolean $update true = always update, false = never update, null = update when not found
* @param array $default Default value for creating the contact when everything else fails
*
* @return integer Contact ID
* @throws HTTPException\InternalServerErrorException
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* @throws \ImagickException
*/
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public static function getIdForURL($url, $uid = 0, $update = null, $default = [])
{
$contact_id = 0;
if ($url == '') {
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Logger::notice('Empty url, quitting', ['url' => $url, 'user' => $uid, 'default' => $default]);
return 0;
}
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$contact = self::getByURL($url, false, ['id', 'network', 'uri-id'], $uid);
if (!empty($contact)) {
$contact_id = $contact["id"];
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if (empty($update) && (!empty($contact['uri-id']) || is_bool($update))) {
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Logger::debug('Contact found', ['url' => $url, 'uid' => $uid, 'update' => $update, 'cid' => $contact_id]);
return $contact_id;
}
} elseif ($uid != 0) {
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Logger::debug('Contact does not exist for the user', ['url' => $url, 'uid' => $uid, 'update' => $update]);
return 0;
} elseif (empty($default) && !is_null($update) && !$update) {
Logger::info('Contact not found, update not desired', ['url' => $url, 'uid' => $uid, 'update' => $update]);
return 0;
}
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$data = [];
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if (empty($default['network']) || $update) {
$data = Probe::uri($url, "", $uid);
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// Take the default values when probing failed
if (!empty($default) && !in_array($data["network"], array_merge(Protocol::NATIVE_SUPPORT, [Protocol::PUMPIO]))) {
$data = array_merge($data, $default);
}
} elseif (!empty($default['network'])) {
$data = $default;
}
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if (($uid == 0) && (empty($data['network']) || ($data['network'] == Protocol::PHANTOM))) {
// Fetch data for the public contact via the first found personal contact
/// @todo Check if this case can happen at all (possibly with mail accounts?)
$fields = ['name', 'nick', 'url', 'addr', 'alias', 'avatar', 'header', 'contact-type',
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'keywords', 'location', 'about', 'unsearchable', 'batch', 'notify', 'poll',
'request', 'confirm', 'poco', 'subscribe', 'network', 'baseurl', 'gsid'];
$personal_contact = DBA::selectFirst('contact', $fields, ["`addr` = ? AND `uid` != 0", $url]);
if (!DBA::isResult($personal_contact)) {
$personal_contact = DBA::selectFirst('contact', $fields, ["`nurl` = ? AND `uid` != 0", Strings::normaliseLink($url)]);
}
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if (DBA::isResult($personal_contact)) {
Logger::info('Take contact data from personal contact', ['url' => $url, 'update' => $update, 'contact' => $personal_contact, 'callstack' => System::callstack(20)]);
$data = $personal_contact;
$data['photo'] = $personal_contact['avatar'];
$data['account-type'] = $personal_contact['contact-type'];
$data['hide'] = $personal_contact['unsearchable'];
unset($data['avatar']);
unset($data['contact-type']);
unset($data['unsearchable']);
}
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}
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if (empty($data['network']) || ($data['network'] == Protocol::PHANTOM)) {
Logger::notice('No valid network found', ['url' => $url, 'uid' => $uid, 'default' => $default, 'update' => $update, 'callstack' => System::callstack(20)]);
return 0;
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}
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if (!$contact_id) {
$urls = [Strings::normaliseLink($url), Strings::normaliseLink($data['url'])];
if (!empty($data['alias'])) {
$urls[] = Strings::normaliseLink($data['alias']);
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}
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$contact = self::selectFirst(['id'], ['nurl' => $urls, 'uid' => $uid]);
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if (!empty($contact['id'])) {
$contact_id = $contact['id'];
Logger::info('Fetched id by url', ['cid' => $contact_id, 'uid' => $uid, 'url' => $url, 'data' => $data]);
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}
}
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if (!$contact_id) {
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// We only insert the basic data. The rest will be done in "updateFromProbeArray"
$fields = [
'uid' => $uid,
'url' => $data['url'],
'nurl' => Strings::normaliseLink($data['url']),
'network' => $data['network'],
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'created' => DateTimeFormat::utcNow(),
'rel' => self::SHARING,
'writable' => 1,
'blocked' => 0,
'readonly' => 0,
'pending' => 0];
$condition = ['nurl' => Strings::normaliseLink($data["url"]), 'uid' => $uid, 'deleted' => false];
// Before inserting we do check if the entry does exist now.
if (DI::lock()->acquire(self::LOCK_INSERT, 0)) {
$contact = DBA::selectFirst('contact', ['id'], $condition, ['order' => ['id']]);
if (DBA::isResult($contact)) {
$contact_id = $contact['id'];
Logger::notice('Contact had been created (shortly) before', ['id' => $contact_id, 'url' => $url, 'uid' => $uid]);
} else {
$contact_id = self::insert($fields);
if ($contact_id) {
Logger::info('Contact inserted', ['id' => $contact_id, 'url' => $url, 'uid' => $uid]);
}
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}
DI::lock()->release(self::LOCK_INSERT);
} else {
Logger::warning('Contact lock had not been acquired');
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}
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if (!$contact_id) {
Logger::info('Contact was not inserted', ['url' => $url, 'uid' => $uid]);
return 0;
}
} else {
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Logger::info('Contact will be updated', ['url' => $url, 'uid' => $uid, 'update' => $update, 'cid' => $contact_id]);
}
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if ($data['network'] == Protocol::DIASPORA) {
FContact::updateFromProbeArray($data);
}
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self::updateFromProbeArray($contact_id, $data);
// Don't return a number for a deleted account
if (!empty($data['account-type']) && $data['account-type'] == User::ACCOUNT_TYPE_DELETED) {
Logger::info('Contact is a tombstone', ['url' => $url, 'uid' => $uid]);
return 0;
}
return $contact_id;
}
/**
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* Checks if the contact is archived
*
* @param int $cid contact id
*
* @return boolean Is the contact archived?
* @throws HTTPException\InternalServerErrorException
*/
public static function isArchived(int $cid)
{
if ($cid == 0) {
return false;
}
$contact = DBA::selectFirst('contact', ['archive', 'url', 'batch'], ['id' => $cid]);
if (!DBA::isResult($contact)) {
return false;
}
if ($contact['archive']) {
return true;
}
// Check status of ActivityPub endpoints
$apcontact = APContact::getByURL($contact['url'], false);
if (!empty($apcontact)) {
if (!empty($apcontact['inbox']) && DBA::exists('inbox-status', ['archive' => true, 'url' => $apcontact['inbox']])) {
return true;
}
if (!empty($apcontact['sharedinbox']) && DBA::exists('inbox-status', ['archive' => true, 'url' => $apcontact['sharedinbox']])) {
return true;
}
}
// Check status of Diaspora endpoints
if (!empty($contact['batch'])) {
$condition = ['archive' => true, 'uid' => 0, 'network' => Protocol::FEDERATED, 'batch' => $contact['batch'], 'contact-type' => self::TYPE_RELAY];
return DBA::exists('contact', $condition);
}
return false;
}
/**
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* Checks if the contact is blocked
*
* @param int $cid contact id
*
* @return boolean Is the contact blocked?
* @throws HTTPException\InternalServerErrorException
*/
public static function isBlocked($cid)
{
if ($cid == 0) {
return false;
}
$blocked = DBA::selectFirst('contact', ['blocked', 'url'], ['id' => $cid]);
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if (!DBA::isResult($blocked)) {
return false;
}
if (Network::isUrlBlocked($blocked['url'])) {
return true;
}
return (bool) $blocked['blocked'];
}
/**
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* Checks if the contact is hidden
*
* @param int $cid contact id
*
* @return boolean Is the contact hidden?
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* @throws \Exception
*/
public static function isHidden($cid)
{
if ($cid == 0) {
return false;
}
$hidden = DBA::selectFirst('contact', ['hidden'], ['id' => $cid]);
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if (!DBA::isResult($hidden)) {
return false;
}
return (bool) $hidden['hidden'];
}
/**
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* Returns posts from a given contact url
*
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* @param string $contact_url Contact URL
* @param bool $thread_mode
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* @param int $update Update mode
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* @param int $parent Item parent ID for the update mode
* @param bool $only_media Only display media content
* @return string posts in HTML
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* @throws \Exception
*/
public static function getPostsFromUrl($contact_url, $thread_mode = false, $update = 0, $parent = 0, bool $only_media = false)
{
return self::getPostsFromId(self::getIdForURL($contact_url), $thread_mode, $update, $parent, $only_media);
}
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/**
* Returns posts from a given contact id
*
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* @param int $cid Contact ID
* @param bool $thread_mode
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* @param int $update Update mode
* @param int $parent Item parent ID for the update mode
* @param bool $only_media Only display media content
* @return string posts in HTML
* @throws \Exception
*/
public static function getPostsFromId($cid, $thread_mode = false, $update = 0, $parent = 0, bool $only_media = false)
{
$contact = DBA::selectFirst('contact', ['contact-type', 'network'], ['id' => $cid]);
if (!DBA::isResult($contact)) {
return '';
}
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if (empty($contact["network"]) || in_array($contact["network"], Protocol::FEDERATED)) {
$sql = "(`uid` = 0 OR (`uid` = ? AND NOT `global`))";
} else {
$sql = "`uid` = ?";
}
$contact_field = ((($contact["contact-type"] == self::TYPE_COMMUNITY) || ($contact['network'] == Protocol::MAIL)) ? 'owner-id' : 'author-id');
if ($thread_mode) {
$condition = ["((`$contact_field` = ? AND `gravity` = ?) OR (`author-id` = ? AND `gravity` = ? AND `vid` = ?)) AND " . $sql,
$cid, GRAVITY_PARENT, $cid, GRAVITY_ACTIVITY, Verb::getID(Activity::ANNOUNCE), local_user()];
} else {
$condition = ["`$contact_field` = ? AND `gravity` IN (?, ?) AND " . $sql,
$cid, GRAVITY_PARENT, GRAVITY_COMMENT, local_user()];
}
if (!empty($parent)) {
$condition = DBA::mergeConditions($condition, ['parent' => $parent]);
} else {
$last_received = isset($_GET['last_received']) ? DateTimeFormat::utc($_GET['last_received']) : '';
if (!empty($last_received)) {
$condition = DBA::mergeConditions($condition, ["`received` < ?", $last_received]);
}
}
if ($only_media) {
$condition = DBA::mergeConditions($condition, ["`uri-id` IN (SELECT `uri-id` FROM `post-media` WHERE `type` IN (?, ?, ?))",
Post\Media::AUDIO, Post\Media::IMAGE, Post\Media::VIDEO]);
}
if (DI::mode()->isMobile()) {
$itemsPerPage = DI::pConfig()->get(local_user(), 'system', 'itemspage_mobile_network',
DI::config()->get('system', 'itemspage_network_mobile'));
} else {
$itemsPerPage = DI::pConfig()->get(local_user(), 'system', 'itemspage_network',
DI::config()->get('system', 'itemspage_network'));
}
$pager = new Pager(DI::l10n(), DI::args()->getQueryString(), $itemsPerPage);
$params = ['order' => ['received' => true], 'limit' => [$pager->getStart(), $pager->getItemsPerPage()]];
if (DI::pConfig()->get(local_user(), 'system', 'infinite_scroll')) {
$tpl = Renderer::getMarkupTemplate('infinite_scroll_head.tpl');
$o = Renderer::replaceMacros($tpl, ['$reload_uri' => DI::args()->getQueryString()]);
} else {
$o = '';
}
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if ($thread_mode) {
$fields = ['uri-id', 'thr-parent-id', 'gravity', 'author-id', 'commented'];
$items = Post::toArray(Post::selectForUser(local_user(), $fields, $condition, $params));
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if ($pager->getStart() == 0) {
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$cdata = self::getPublicAndUserContactID($cid, local_user());
if (!empty($cdata['public'])) {
$pinned = Post\Collection::selectToArrayForContact($cdata['public'], Post\Collection::FEATURED, $fields);
$items = array_merge($items, $pinned);
}
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}
$o .= DI::conversation()->create($items, 'contacts', $update, false, 'pinned_commented', local_user());
} else {
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$fields = array_merge(Item::DISPLAY_FIELDLIST, ['featured']);
$items = Post::toArray(Post::selectForUser(local_user(), $fields, $condition, $params));
if ($pager->getStart() == 0) {
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$cdata = self::getPublicAndUserContactID($cid, local_user());
if (!empty($cdata['public'])) {
$condition = ["`uri-id` IN (SELECT `uri-id` FROM `collection-view` WHERE `cid` = ? AND `type` = ?)",
$cdata['public'], Post\Collection::FEATURED];
$pinned = Post::toArray(Post::selectForUser(local_user(), $fields, $condition, $params));
$items = array_merge($pinned, $items);
}
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}
$o .= DI::conversation()->create($items, 'contact-posts', $update);
}
if (!$update) {
if (DI::pConfig()->get(local_user(), 'system', 'infinite_scroll')) {
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$o .= HTML::scrollLoader();
} else {
$o .= $pager->renderMinimal(count($items));
}
}
return $o;
}
/**
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* Returns the account type name
*
* The function can be called with either the user or the contact array
*
* @param int $type type of contact or account
* @return string
*/
public static function getAccountType(int $type)
{
switch ($type) {
case self::TYPE_ORGANISATION:
$account_type = DI::l10n()->t("Organisation");
break;
case self::TYPE_NEWS:
$account_type = DI::l10n()->t('News');
break;
case self::TYPE_COMMUNITY:
$account_type = DI::l10n()->t("Forum");
break;
default:
$account_type = "";
break;
}
return $account_type;
}
/**
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* Blocks a contact
*
* @param int $cid
* @return bool
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* @throws \Exception
*/
public static function block($cid, $reason = null)
{
$return = self::update(['blocked' => true, 'block_reason' => $reason], ['id' => $cid]);
return $return;
}
/**
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* Unblocks a contact
*
* @param int $cid
* @return bool
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* @throws \Exception
*/
public static function unblock($cid)
{
$return = self::update(['blocked' => false, 'block_reason' => null], ['id' => $cid]);
return $return;
}
/**
* Ensure that cached avatar exist
*
* @param integer $cid
*/
public static function checkAvatarCache(int $cid)
{
$contact = DBA::selectFirst('contact', ['url', 'network', 'avatar', 'photo', 'thumb', 'micro'], ['id' => $cid, 'uid' => 0, 'self' => false]);
if (!DBA::isResult($contact)) {
return;
}
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if (Network::isLocalLink($contact['url'])) {
return;
}
if (in_array($contact['network'], [Protocol::FEED, Protocol::MAIL]) || DI::config()->get('system', 'cache_contact_avatar')) {
if (!empty($contact['avatar']) && (empty($contact['photo']) || empty($contact['thumb']) || empty($contact['micro']))) {
Logger::info('Adding avatar cache', ['id' => $cid, 'contact' => $contact]);
self::updateAvatar($cid, $contact['avatar'], true);
return;
}
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} elseif (Photo::isPhotoURI($contact['photo']) || Photo::isPhotoURI($contact['thumb']) || Photo::isPhotoURI($contact['micro'])) {
Logger::info('Replacing legacy avatar cache', ['id' => $cid, 'contact' => $contact]);
self::updateAvatar($cid, $contact['avatar'], true);
return;
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} elseif (DI::config()->get('system', 'avatar_cache') && (empty($contact['photo']) || empty($contact['thumb']) || empty($contact['micro']))) {
Logger::info('Adding avatar cache file', ['id' => $cid, 'contact' => $contact]);
self::updateAvatar($cid, $contact['avatar'], true);
return;
}
}
/**
* Return the photo path for a given contact array in the given size
*
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* @param array $contact contact array
* @param string $field Fieldname of the photo in the contact array
* @param string $size Size of the avatar picture
* @param string $avatar Avatar path that is displayed when no photo had been found
* @param bool $no_update Don't perfom an update if no cached avatar was found
* @return string photo path
*/
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private static function getAvatarPath(array $contact, string $size, $no_update = false)
{
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$contact = self::checkAvatarCacheByArray($contact, $no_update);
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if (DI::config()->get('system', 'avatar_cache')) {
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switch ($size) {
case Proxy::SIZE_MICRO:
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if (!empty($contact['micro']) && !Photo::isPhotoURI($contact['micro'])) {
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return $contact['micro'];
}
break;
case Proxy::SIZE_THUMB:
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if (!empty($contact['thumb']) && !Photo::isPhotoURI($contact['thumb'])) {
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return $contact['thumb'];
}
break;
case Proxy::SIZE_SMALL:
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if (!empty($contact['photo']) && !Photo::isPhotoURI($contact['photo'])) {
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return $contact['photo'];
}
break;
}
}
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return self::getAvatarUrlForId($contact['id'], $size, $contact['updated'] ?? '');
}
/**
* Return the photo path for a given contact array
*
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* @param array $contact Contact array
* @param bool $no_update Don't perfom an update if no cached avatar was found
* @return string photo path
*/
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public static function getPhoto(array $contact, bool $no_update = false)
{
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return self::getAvatarPath($contact, Proxy::SIZE_SMALL, $no_update);
}
/**
* Return the photo path (thumb size) for a given contact array
*
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* @param array $contact Contact array
* @param bool $no_update Don't perfom an update if no cached avatar was found
* @return string photo path
*/
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public static function getThumb(array $contact, bool $no_update = false)
{
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return self::getAvatarPath($contact, Proxy::SIZE_THUMB, $no_update);
}
/**
* Return the photo path (micro size) for a given contact array
*
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* @param array $contact Contact array
* @param bool $no_update Don't perfom an update if no cached avatar was found
* @return string photo path
*/
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public static function getMicro(array $contact, bool $no_update = false)
{
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return self::getAvatarPath($contact, Proxy::SIZE_MICRO, $no_update);
}
/**
* Check the given contact array for avatar cache fields
*
* @param array $contact
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* @param bool $no_update Don't perfom an update if no cached avatar was found
* @return array contact array with avatar cache fields
*/
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private static function checkAvatarCacheByArray(array $contact, bool $no_update = false)
{
$update = false;
$contact_fields = [];
$fields = ['photo', 'thumb', 'micro'];
foreach ($fields as $field) {
if (isset($contact[$field])) {
$contact_fields[] = $field;
}
if (isset($contact[$field]) && empty($contact[$field])) {
$update = true;
}
}
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if (!$update || $no_update) {
return $contact;
}
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$local = !empty($contact['url']) && Network::isLocalLink($contact['url']);
if (!$local && !empty($contact['id']) && !empty($contact['avatar'])) {
self::updateAvatar($contact['id'], $contact['avatar'], true);
$new_contact = self::getById($contact['id'], $contact_fields);
if (DBA::isResult($new_contact)) {
// We only update the cache fields
$contact = array_merge($contact, $new_contact);
}
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} elseif ($local && !empty($contact['avatar'])) {
return $contact;
}
/// add the default avatars if the fields aren't filled
if (isset($contact['photo']) && empty($contact['photo'])) {
$contact['photo'] = self::getDefaultAvatar($contact, Proxy::SIZE_SMALL);
}
if (isset($contact['thumb']) && empty($contact['thumb'])) {
$contact['thumb'] = self::getDefaultAvatar($contact, Proxy::SIZE_THUMB);
}
if (isset($contact['micro']) && empty($contact['micro'])) {
$contact['micro'] = self::getDefaultAvatar($contact, Proxy::SIZE_MICRO);
}
return $contact;
}
/**
* Fetch the default header for the given contact
*
* @param array $contact contact array
* @return string avatar URL
*/
public static function getDefaultHeader(array $contact): string
{
if (!empty($contact['header'])) {
return $contact['header'];
}
if (!empty($contact['gsid'])) {
// Use default banners for certain platforms
$gserver = DBA::selectFirst('gserver', ['platform'], ['id' => $contact['gsid']]);
$platform = strtolower($gserver['platform'] ?? '');
} else {
$platform = '';
}
switch ($platform) {
case 'friendica':
case 'friendika':
/**
* Picture credits
* @author Lostinlight <https://mastodon.xyz/@lightone>
* @license CC0 https://creativecommons.org/share-your-work/public-domain/cc0/
* @link https://gitlab.com/lostinlight/per_aspera_ad_astra/-/blob/master/friendica-404/friendica-promo-bubbles.jpg
*/
$header = DI::baseUrl() . '/images/friendica-banner.jpg';
break;
case 'diaspora':
/**
* Picture credits
* @author John Liu <https://www.flickr.com/photos/8047705@N02/>
* @license CC BY 2.0 https://creativecommons.org/licenses/by/2.0/
* @link https://www.flickr.com/photos/8047705@N02/5572197407
*/
$header = DI::baseUrl() . '/images/diaspora-banner.jpg';
break;
default:
/**
* Use a random picture.
* The service provides random pictures from Unsplash.
* @license https://unsplash.com/license
*/
$header = 'https://picsum.photos/seed/' . hash('ripemd128', $contact['url']) . '/960/300';
break;
}
return $header;
}
/**
* Fetch the default avatar for the given contact and size
*
* @param array $contact contact array
* @param string $size Size of the avatar picture
2021-06-24 07:08:38 +00:00
* @return string avatar URL
*/
public static function getDefaultAvatar(array $contact, string $size)
{
switch ($size) {
case Proxy::SIZE_MICRO:
$avatar['size'] = 48;
$default = self::DEFAULT_AVATAR_MICRO;
break;
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case Proxy::SIZE_THUMB:
$avatar['size'] = 80;
$default = self::DEFAULT_AVATAR_THUMB;
break;
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case Proxy::SIZE_SMALL:
default:
$avatar['size'] = 300;
$default = self::DEFAULT_AVATAR_PHOTO;
break;
}
if (!DI::config()->get('system', 'remote_avatar_lookup')) {
return DI::baseUrl() . $default;
}
if (!empty($contact['xmpp'])) {
$avatar['email'] = $contact['xmpp'];
} elseif (!empty($contact['addr'])) {
$avatar['email'] = $contact['addr'];
} elseif (!empty($contact['url'])) {
$avatar['email'] = $contact['url'];
} else {
return DI::baseUrl() . $default;
}
$avatar['url'] = '';
$avatar['success'] = false;
Hook::callAll('avatar_lookup', $avatar);
if ($avatar['success'] && !empty($avatar['url'])) {
return $avatar['url'];
}
return DI::baseUrl() . $default;
}
/**
* Get avatar link for given contact id
*
* @param integer $cid contact id
* @param string $size One of the Proxy::SIZE_* constants
* @param string $updated Contact update date
* @return string avatar link
*/
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public static function getAvatarUrlForId(int $cid, string $size = '', string $updated = '', string $guid = ''):string
{
// We have to fetch the "updated" variable when it wasn't provided
// The parameter can be provided to improve performance
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if (empty($updated)) {
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$account = DBA::selectFirst('account-user-view', ['updated', 'guid'], ['id' => $cid]);
$updated = $account['updated'] ?? '';
$guid = $account['guid'] ?? '';
}
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$guid = urlencode($guid);
$url = DI::baseUrl() . '/photo/contact/';
switch ($size) {
case Proxy::SIZE_MICRO:
$url .= Proxy::PIXEL_MICRO . '/';
break;
case Proxy::SIZE_THUMB:
$url .= Proxy::PIXEL_THUMB . '/';
break;
case Proxy::SIZE_SMALL:
$url .= Proxy::PIXEL_SMALL . '/';
break;
case Proxy::SIZE_MEDIUM:
$url .= Proxy::PIXEL_MEDIUM . '/';
break;
case Proxy::SIZE_LARGE:
$url .= Proxy::PIXEL_LARGE . '/';
break;
}
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return $url . ($guid ?: $cid) . ($updated ? '?ts=' . strtotime($updated) : '');
}
/**
* Get avatar link for given contact URL
*
* @param string $url contact url
* @param integer $uid user id
* @param string $size One of the Proxy::SIZE_* constants
* @return string avatar link
*/
public static function getAvatarUrlForUrl(string $url, int $uid, string $size = ''):string
{
$condition = ["`nurl` = ? AND ((`uid` = ? AND `network` IN (?, ?)) OR `uid` = ?)",
Strings::normaliseLink($url), $uid, Protocol::FEED, Protocol::MAIL, 0];
$contact = self::selectFirst(['id', 'updated'], $condition, ['order' => ['uid' => true]]);
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return self::getAvatarUrlForId($contact['id'] ?? 0, $size, $contact['updated'] ?? '');
}
/**
* Get header link for given contact id
*
* @param integer $cid contact id
* @param string $size One of the Proxy::SIZE_* constants
* @param string $updated Contact update date
* @return string header link
*/
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public static function getHeaderUrlForId(int $cid, string $size = '', string $updated = '', string $guid = ''):string
{
// We have to fetch the "updated" variable when it wasn't provided
// The parameter can be provided to improve performance
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if (empty($updated) || empty($guid)) {
$account = DBA::selectFirst('account-user-view', ['updated', 'guid'], ['id' => $cid]);
$updated = $account['updated'] ?? '';
$guid = $account['guid'] ?? '';
}
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$guid = urlencode($guid);
$url = DI::baseUrl() . '/photo/header/';
switch ($size) {
case Proxy::SIZE_MICRO:
$url .= Proxy::PIXEL_MICRO . '/';
break;
case Proxy::SIZE_THUMB:
$url .= Proxy::PIXEL_THUMB . '/';
break;
case Proxy::SIZE_SMALL:
$url .= Proxy::PIXEL_SMALL . '/';
break;
case Proxy::SIZE_MEDIUM:
$url .= Proxy::PIXEL_MEDIUM . '/';
break;
case Proxy::SIZE_LARGE:
$url .= Proxy::PIXEL_LARGE . '/';
break;
}
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return $url . ($guid ?: $cid) . ($updated ? '?ts=' . strtotime($updated) : '');
}
/**
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* Updates the avatar links in a contact only if needed
*
* @param int $cid Contact id
* @param string $avatar Link to avatar picture
* @param bool $force force picture update
* @param bool $create_cache Enforces the creation of cached avatar fields
*
* @return void
* @throws HTTPException\InternalServerErrorException
* @throws HTTPException\NotFoundException
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* @throws \ImagickException
*/
public static function updateAvatar(int $cid, string $avatar, bool $force = false, bool $create_cache = false)
{
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$contact = DBA::selectFirst('contact', ['uid', 'avatar', 'photo', 'thumb', 'micro', 'xmpp', 'addr', 'nurl', 'url', 'network', 'uri-id'],
['id' => $cid, 'self' => false]);
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if (!DBA::isResult($contact)) {
return;
}
$uid = $contact['uid'];
// Only update the cached photo links of public contacts when they already are cached
if (($uid == 0) && !$force && empty($contact['thumb']) && empty($contact['micro']) && !$create_cache) {
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if ($contact['avatar'] != $avatar) {
self::update(['avatar' => $avatar], ['id' => $cid]);
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Logger::info('Only update the avatar', ['id' => $cid, 'avatar' => $avatar, 'contact' => $contact]);
}
return;
}
// User contacts use are updated through the public contacts
if (($uid != 0) && !in_array($contact['network'], [Protocol::FEED, Protocol::MAIL])) {
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$pcid = self::getIdForURL($contact['url'], 0, false);
if (!empty($pcid)) {
Logger::debug('Update the private contact via the public contact', ['id' => $cid, 'uid' => $uid, 'public' => $pcid]);
self::updateAvatar($pcid, $avatar, $force, true);
return;
}
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}
$default_avatar = empty($avatar) || strpos($avatar, self::DEFAULT_AVATAR_PHOTO);
if ($default_avatar) {
$avatar = self::getDefaultAvatar($contact, Proxy::SIZE_SMALL);
}
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$cache_avatar = DI::config()->get('system', 'cache_contact_avatar');
// Local contact avatars don't need to be cached
if ($cache_avatar && Network::isLocalLink($contact['url'])) {
$cache_avatar = !DBA::exists('contact', ['nurl' => $contact['nurl'], 'self' => true]);
}
if (in_array($contact['network'], [Protocol::FEED, Protocol::MAIL]) || $cache_avatar) {
Avatar::deleteCache($contact);
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if ($default_avatar && Proxy::isLocalImage($avatar)) {
$fields = ['avatar' => $avatar, 'avatar-date' => DateTimeFormat::utcNow(),
'photo' => $avatar,
'thumb' => self::getDefaultAvatar($contact, Proxy::SIZE_THUMB),
'micro' => self::getDefaultAvatar($contact, Proxy::SIZE_MICRO)];
Logger::debug('Use default avatar', ['id' => $cid, 'uid' => $uid]);
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}
// Use the data from the self account
if (empty($fields)) {
$local_uid = User::getIdForURL($contact['url']);
if (!empty($local_uid)) {
$fields = self::selectFirst(['avatar', 'avatar-date', 'photo', 'thumb', 'micro'], ['self' => true, 'uid' => $local_uid]);
Logger::debug('Use owner data', ['id' => $cid, 'uid' => $uid, 'owner-uid' => $local_uid]);
}
}
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if (empty($fields)) {
$update = ($contact['avatar'] != $avatar) || $force;
if (!$update) {
$data = [
$contact['photo'] ?? '',
$contact['thumb'] ?? '',
$contact['micro'] ?? '',
];
foreach ($data as $image_uri) {
$image_rid = Photo::ridFromURI($image_uri);
if ($image_rid && !Photo::exists(['resource-id' => $image_rid, 'uid' => $uid])) {
Logger::debug('Regenerating avatar', ['contact uid' => $uid, 'cid' => $cid, 'missing photo' => $image_rid, 'avatar' => $contact['avatar']]);
$update = true;
}
}
}
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if ($update) {
$photos = Photo::importProfilePhoto($avatar, $uid, $cid, true);
if ($photos) {
$fields = ['avatar' => $avatar, 'photo' => $photos[0], 'thumb' => $photos[1], 'micro' => $photos[2], 'avatar-date' => DateTimeFormat::utcNow()];
$update = !empty($fields);
Logger::debug('Created new cached avatars', ['id' => $cid, 'uid' => $uid, 'owner-uid' => $local_uid]);
} else {
$update = false;
}
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}
} else {
$update = ($fields['photo'] . $fields['thumb'] . $fields['micro'] != $contact['photo'] . $contact['thumb'] . $contact['micro']) || $force;
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}
} else {
Photo::delete(['uid' => $uid, 'contact-id' => $cid, 'photo-type' => Photo::CONTACT_AVATAR]);
$fields = Avatar::fetchAvatarContact($contact, $avatar);
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$update = ($avatar . $fields['photo'] . $fields['thumb'] . $fields['micro'] != $contact['avatar'] . $contact['photo'] . $contact['thumb'] . $contact['micro']) || $force;
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}
if (!$update) {
return;
}
$cids = [];
$uids = [];
if (($uid == 0) && !in_array($contact['network'], [Protocol::FEED, Protocol::MAIL])) {
// Collect all user contacts of the given public contact
$personal_contacts = DBA::select('contact', ['id', 'uid'],
["`nurl` = ? AND `id` != ? AND NOT `self`", $contact['nurl'], $cid]);
while ($personal_contact = DBA::fetch($personal_contacts)) {
$cids[] = $personal_contact['id'];
$uids[] = $personal_contact['uid'];
}
DBA::close($personal_contacts);
if (!empty($cids)) {
// Delete possibly existing cached user contact avatars
Photo::delete(['uid' => $uids, 'contact-id' => $cids, 'photo-type' => Photo::CONTACT_AVATAR]);
}
}
$cids[] = $cid;
$uids[] = $uid;
Logger::info('Updating cached contact avatars', ['cid' => $cids, 'uid' => $uids, 'fields' => $fields]);
self::update($fields, ['id' => $cids]);
}
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public static function deleteContactByUrl(string $url)
{
// Update contact data for all users
$condition = ['self' => false, 'nurl' => Strings::normaliseLink($url)];
$contacts = DBA::select('contact', ['id', 'uid'], $condition);
while ($contact = DBA::fetch($contacts)) {
Logger::info('Deleting contact', ['id' => $contact['id'], 'uid' => $contact['uid'], 'url' => $url]);
self::remove($contact['id']);
}
}
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/**
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* Helper function for "updateFromProbe". Updates personal and public contact
*
* @param integer $id contact id
* @param integer $uid user id
* @param string $old_url The previous profile URL of the contact
* @param string $new_url The profile URL of the contact
* @param array $fields The fields that are updated
*
* @throws \Exception
*/
private static function updateContact(int $id, int $uid, string $old_url, string $new_url, array $fields)
{
if (!self::update($fields, ['id' => $id])) {
Logger::info('Couldn\'t update contact.', ['id' => $id, 'fields' => $fields]);
return;
}
// Search for duplicated contacts and get rid of them
if (self::removeDuplicates(Strings::normaliseLink($new_url), $uid)) {
return;
}
// Archive or unarchive the contact.
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$contact = DBA::selectFirst('contact', [], ['id' => $id]);
if (!DBA::isResult($contact)) {
Logger::info('Couldn\'t select contact for archival.', ['id' => $id]);
return;
}
if (isset($fields['failed'])) {
if ($fields['failed']) {
self::markForArchival($contact);
} else {
self::unmarkForArchival($contact);
}
}
if ($contact['uid'] != 0) {
return;
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}
// Update contact data for all users
$condition = ['self' => false, 'nurl' => Strings::normaliseLink($old_url)];
$condition['network'] = [Protocol::DFRN, Protocol::DIASPORA, Protocol::ACTIVITYPUB];
self::update($fields, $condition);
// We mustn't set the update fields for OStatus contacts since they are updated in OnePoll
$condition['network'] = Protocol::OSTATUS;
// If the contact failed, propagate the update fields to all contacts
if (empty($fields['failed'])) {
unset($fields['last-update']);
unset($fields['success_update']);
unset($fields['failure_update']);
}
if (empty($fields)) {
return;
}
self::update($fields, $condition);
}
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/**
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* Remove duplicated contacts
*
* @param string $nurl Normalised contact url
* @param integer $uid User id
* @return boolean
* @throws \Exception
*/
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public static function removeDuplicates(string $nurl, int $uid)
{
$condition = ['nurl' => $nurl, 'uid' => $uid, 'self' => false, 'deleted' => false, 'network' => Protocol::FEDERATED];
$count = DBA::count('contact', $condition);
if ($count <= 1) {
return false;
}
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$first_contact = DBA::selectFirst('contact', ['id', 'network'], $condition, ['order' => ['id']]);
if (!DBA::isResult($first_contact)) {
// Shouldn't happen - so we handle it
return false;
}
$first = $first_contact['id'];
Logger::info('Found duplicates', ['count' => $count, 'first' => $first, 'uid' => $uid, 'nurl' => $nurl]);
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if (($uid != 0 && ($first_contact['network'] == Protocol::DFRN))) {
// Don't handle non public DFRN duplicates by now (legacy DFRN is very special because of the key handling)
Logger::info('Not handling non public DFRN duplicate', ['uid' => $uid, 'nurl' => $nurl]);
return false;
}
// Find all duplicates
$condition = ["`nurl` = ? AND `uid` = ? AND `id` != ? AND NOT `self` AND NOT `deleted`", $nurl, $uid, $first];
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$duplicates = DBA::select('contact', ['id', 'network'], $condition);
while ($duplicate = DBA::fetch($duplicates)) {
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if (!in_array($duplicate['network'], Protocol::FEDERATED)) {
continue;
}
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Worker::add(PRIORITY_HIGH, 'MergeContact', $first, $duplicate['id'], $uid);
}
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DBA::close($duplicates);
Logger::info('Duplicates handled', ['uid' => $uid, 'nurl' => $nurl, 'callstack' => System::callstack(20)]);
return true;
}
/**
* @param integer $id contact id
* @param string $network Optional network we are probing for
* @return boolean
* @throws HTTPException\InternalServerErrorException
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* @throws \ImagickException
*/
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public static function updateFromProbe(int $id, string $network = '')
{
$contact = DBA::selectFirst('contact', ['uid', 'url'], ['id' => $id]);
if (!DBA::isResult($contact)) {
return false;
}
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$ret = Probe::uri($contact['url'], $network, $contact['uid']);
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if ($ret['network'] == Protocol::DIASPORA) {
FContact::updateFromProbeArray($ret);
}
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return self::updateFromProbeArray($id, $ret);
}
/**
* @param integer $id contact id
* @param array $ret Probed data
* @return boolean
* @throws HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
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private static function updateFromProbeArray(int $id, array $ret)
{
/*
Warning: Never ever fetch the public key via Probe::uri and write it into the contacts.
This will reliably kill your communication with old Friendica contacts.
*/
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// These fields aren't updated by this routine:
// 'sensitive'
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$fields = ['uid', 'uri-id', 'avatar', 'header', 'name', 'nick', 'location', 'keywords', 'about', 'subscribe',
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'manually-approve', 'unsearchable', 'url', 'addr', 'batch', 'notify', 'poll', 'request', 'confirm', 'poco',
'network', 'alias', 'baseurl', 'gsid', 'forum', 'prv', 'contact-type', 'pubkey', 'last-item', 'xmpp', 'matrix'];
$contact = DBA::selectFirst('contact', $fields, ['id' => $id]);
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if (!DBA::isResult($contact)) {
return false;
}
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if (self::isLocal($ret['url'])) {
if ($contact['uid'] == 0) {
Logger::info('Local contacts are not updated here.');
} else {
self::updateFromPublicContact($id, $contact);
}
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return true;
}
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if (!empty($ret['account-type']) && $ret['account-type'] == User::ACCOUNT_TYPE_DELETED) {
Logger::info('Deleted account', ['id' => $id, 'url' => $ret['url'], 'ret' => $ret]);
self::remove($id);
// Delete all contacts with the same URL
self::deleteContactByUrl($ret['url']);
return true;
}
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$uid = $contact['uid'];
unset($contact['uid']);
$uriid = $contact['uri-id'];
unset($contact['uri-id']);
$pubkey = $contact['pubkey'];
unset($contact['pubkey']);
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$contact['photo'] = $contact['avatar'];
unset($contact['avatar']);
$updated = DateTimeFormat::utcNow();
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if (Strings::normaliseLink($contact['url']) != Strings::normaliseLink($ret['url'])) {
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Logger::notice('New URL differs from old URL', ['id' => $id, 'uid' => $uid, 'old' => $contact['url'], 'new' => $ret['url']]);
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self::updateContact($id, $uid, $contact['url'], $ret['url'], ['failed' => true, 'last-update' => $updated, 'failure_update' => $updated]);
return false;
}
// We must not try to update relay contacts via probe. They are no real contacts.
// We check after the probing to be able to correct falsely detected contact types.
if (($contact['contact-type'] == self::TYPE_RELAY) &&
(!Strings::compareLink($ret['url'], $contact['url']) || in_array($ret['network'], [Protocol::FEED, Protocol::PHANTOM]))) {
self::updateContact($id, $uid, $contact['url'], $contact['url'], ['failed' => false, 'last-update' => $updated, 'success_update' => $updated]);
Logger::info('Not updating relais', ['id' => $id, 'url' => $contact['url']]);
return true;
}
// If Probe::uri fails the network code will be different ("feed" or "unkn")
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if (($ret['network'] == Protocol::PHANTOM) || (($ret['network'] == Protocol::FEED) && ($ret['network'] != $contact['network']))) {
self::updateContact($id, $uid, $contact['url'], $ret['url'], ['failed' => true, 'last-update' => $updated, 'failure_update' => $updated]);
return false;
}
if (Strings::normaliseLink($ret['url']) != Strings::normaliseLink($contact['url'])) {
$cid = self::getIdForURL($ret['url'], 0, false);
if (!empty($cid) && ($cid != $id)) {
Logger::notice('URL of contact changed.', ['id' => $id, 'new_id' => $cid, 'old' => $contact['url'], 'new' => $ret['url']]);
return self::updateFromProbeArray($cid, $ret);
}
}
if (isset($ret['hide']) && is_bool($ret['hide'])) {
$ret['unsearchable'] = $ret['hide'];
}
if (isset($ret['account-type']) && is_int($ret['account-type'])) {
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$ret['forum'] = false;
$ret['prv'] = false;
$ret['contact-type'] = $ret['account-type'];
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if (($ret['contact-type'] == User::ACCOUNT_TYPE_COMMUNITY) && isset($ret['manually-approve'])) {
$ret['forum'] = (bool)!$ret['manually-approve'];
$ret['prv'] = (bool)!$ret['forum'];
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}
}
$new_pubkey = $ret['pubkey'] ?? '';
if ($uid == 0) {
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if ($ret['network'] == Protocol::ACTIVITYPUB) {
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$apcontact = APContact::getByURL($ret['url'], false);
if (!empty($apcontact['featured'])) {
Worker::add(PRIORITY_LOW, 'FetchFeaturedPosts', $ret['url']);
}
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}
$ret['last-item'] = Probe::getLastUpdate($ret);
Logger::info('Fetched last item', ['id' => $id, 'probed_url' => $ret['url'], 'last-item' => $ret['last-item'], 'callstack' => System::callstack(20)]);
}
$update = false;
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$guid = ($ret['guid'] ?? '') ?: Item::guidFromUri($ret['url'], parse_url($ret['url'], PHP_URL_HOST));
// make sure to not overwrite existing values with blank entries except some technical fields
$keep = ['batch', 'notify', 'poll', 'request', 'confirm', 'poco', 'baseurl'];
foreach ($ret as $key => $val) {
if (!array_key_exists($key, $contact)) {
unset($ret[$key]);
} elseif (($contact[$key] != '') && ($val === '') && !is_bool($ret[$key]) && !in_array($key, $keep)) {
$ret[$key] = $contact[$key];
} elseif ($ret[$key] != $contact[$key]) {
$update = true;
}
}
if (!empty($ret['last-item']) && ($contact['last-item'] < $ret['last-item'])) {
$update = true;
} else {
unset($ret['last-item']);
}
if (empty($uriid)) {
$update = true;
}
if (!empty($ret['photo']) && ($ret['network'] != Protocol::FEED)) {
self::updateAvatar($id, $ret['photo'], $update);
}
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$uriid = ItemURI::insert(['uri' => $ret['url'], 'guid' => $guid]);
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if (!$update) {
self::updateContact($id, $uid, $contact['url'], $ret['url'], ['failed' => false, 'last-update' => $updated, 'success_update' => $updated]);
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if (Contact\Relation::isDiscoverable($ret['url'])) {
Worker::add(PRIORITY_LOW, 'ContactDiscovery', $ret['url']);
}
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// Update the public contact
if ($uid != 0) {
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$contact = self::getByURL($ret['url'], false, ['id']);
if (!empty($contact['id'])) {
self::updateFromProbeArray($contact['id'], $ret);
}
}
return true;
}
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$ret['uri-id'] = $uriid;
$ret['nurl'] = Strings::normaliseLink($ret['url']);
$ret['updated'] = $updated;
$ret['failed'] = false;
// Only fill the pubkey if it had been empty before. We have to prevent identity theft.
if (empty($pubkey) && !empty($new_pubkey)) {
$ret['pubkey'] = $new_pubkey;
}
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if ((!empty($ret['addr']) && ($ret['addr'] != $contact['addr'])) || (!empty($ret['alias']) && ($ret['alias'] != $contact['alias']))) {
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$ret['uri-date'] = $updated;
}
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if ((!empty($ret['name']) && ($ret['name'] != $contact['name'])) || (!empty($ret['nick']) && ($ret['nick'] != $contact['nick']))) {
$ret['name-date'] = $updated;
}
if (($uid == 0) || in_array($ret['network'], [Protocol::DFRN, Protocol::DIASPORA, Protocol::ACTIVITYPUB])) {
$ret['last-update'] = $updated;
$ret['success_update'] = $updated;
}
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unset($ret['photo']);
self::updateContact($id, $uid, $contact['url'], $ret['url'], $ret);
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if (Contact\Relation::isDiscoverable($ret['url'])) {
Worker::add(PRIORITY_LOW, 'ContactDiscovery', $ret['url']);
}
return true;
}
private static function updateFromPublicContact(int $id, array $contact)
{
$public = self::getByURL($contact['url'], false);
$fields = [];
foreach ($contact as $field => $value) {
if ($field == 'uid') {
continue;
}
if ($public[$field] != $value) {
$fields[$field] = $public[$field];
}
}
if (!empty($fields)) {
self::update($fields, ['id' => $id, 'self' => false]);
Logger::info('Updating local contact', ['id' => $id]);
}
}
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/**
* @param integer $url contact url
* @return integer Contact id
* @throws HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function updateFromProbeByURL($url)
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{
$id = self::getIdForURL($url);
if (empty($id)) {
return $id;
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}
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self::updateFromProbe($id);
return $id;
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}
/**
* Detects the communication protocol for a given contact url.
* This is used to detect Friendica contacts that we can communicate via AP.
*
* @param string $url contact url
* @param string $network Network of that contact
* @return string with protocol
*/
public static function getProtocol($url, $network)
{
if ($network != Protocol::DFRN) {
return $network;
}
$apcontact = APContact::getByURL($url);
if (!empty($apcontact) && !empty($apcontact['generator'])) {
return Protocol::ACTIVITYPUB;
} else {
return $network;
}
}
/**
* Takes a $uid and a url/handle and adds a new contact
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*
* Currently if the contact is DFRN, interactive needs to be true, to redirect to the
* dfrn_request page.
*
* Otherwise this can be used to bulk add StatusNet contacts, Twitter contacts, etc.
*
* Returns an array
* $return['success'] boolean true if successful
* $return['message'] error text if success is false.
*
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* Takes a $uid and a url/handle and adds a new contact
*
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* @param int $uid The user id the contact should be created for
* @param string $url The profile URL of the contact
* @param string $network
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* @return array
* @throws HTTPException\InternalServerErrorException
* @throws HTTPException\NotFoundException
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* @throws \ImagickException
*/
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public static function createFromProbeForUser(int $uid, $url, $network = '')
{
$result = ['cid' => -1, 'success' => false, 'message' => ''];
// remove ajax junk, e.g. Twitter
$url = str_replace('/#!/', '/', $url);
if (!Network::isUrlAllowed($url)) {
$result['message'] = DI::l10n()->t('Disallowed profile URL.');
return $result;
}
if (Network::isUrlBlocked($url)) {
$result['message'] = DI::l10n()->t('Blocked domain');
return $result;
}
if (!$url) {
$result['message'] = DI::l10n()->t('Connect URL missing.');
return $result;
}
$arr = ['url' => $url, 'contact' => []];
Hook::callAll('follow', $arr);
if (empty($arr)) {
$result['message'] = DI::l10n()->t('The contact could not be added. Please check the relevant network credentials in your Settings -> Social Networks page.');
return $result;
}
if (!empty($arr['contact']['name'])) {
$probed = false;
$ret = $arr['contact'];
} else {
$probed = true;
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$ret = Probe::uri($url, $network, $uid);
// Ensure that the public contact exists
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if ($ret['network'] != Protocol::PHANTOM) {
self::getIdForURL($url);
}
}
if (($network != '') && ($ret['network'] != $network)) {
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Logger::notice('Expected network ' . $network . ' does not match actual network ' . $ret['network']);
return $result;
}
// check if we already have a contact
// the poll url is more reliable than the profile url, as we may have
// indirect links or webfinger links
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$condition = ['uid' => $uid, 'poll' => [$ret['poll'], Strings::normaliseLink($ret['poll'])], 'network' => $ret['network'], 'pending' => false];
$contact = DBA::selectFirst('contact', ['id', 'rel'], $condition);
if (!DBA::isResult($contact)) {
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$condition = ['uid' => $uid, 'nurl' => Strings::normaliseLink($ret['url']), 'network' => $ret['network'], 'pending' => false];
$contact = DBA::selectFirst('contact', ['id', 'rel'], $condition);
}
$protocol = self::getProtocol($ret['url'], $ret['network']);
// This extra param just confuses things, remove it
if ($protocol === Protocol::DIASPORA) {
$ret['url'] = str_replace('?absolute=true', '', $ret['url']);
}
// do we have enough information?
if (empty($protocol) || ($protocol == Protocol::PHANTOM) || (empty($ret['url']) && empty($ret['addr']))) {
$result['message'] .= DI::l10n()->t('The profile address specified does not provide adequate information.') . EOL;
if (empty($ret['poll'])) {
$result['message'] .= DI::l10n()->t('No compatible communication protocols or feeds were discovered.') . EOL;
}
if (empty($ret['name'])) {
$result['message'] .= DI::l10n()->t('An author or name was not found.') . EOL;
}
if (empty($ret['url'])) {
$result['message'] .= DI::l10n()->t('No browser URL could be matched to this address.') . EOL;
}
if (strpos($ret['url'], '@') !== false) {
$result['message'] .= DI::l10n()->t('Unable to match @-style Identity Address with a known protocol or email contact.') . EOL;
$result['message'] .= DI::l10n()->t('Use mailto: in front of address to force email check.') . EOL;
}
return $result;
}
if ($protocol === Protocol::OSTATUS && DI::config()->get('system', 'ostatus_disabled')) {
$result['message'] .= DI::l10n()->t('The profile address specified belongs to a network which has been disabled on this site.') . EOL;
$ret['notify'] = '';
}
if (!$ret['notify']) {
$result['message'] .= DI::l10n()->t('Limited profile. This person will be unable to receive direct/personal notifications from you.') . EOL;
}
$writeable = ((($protocol === Protocol::OSTATUS) && ($ret['notify'])) ? 1 : 0);
$subhub = (($protocol === Protocol::OSTATUS) ? true : false);
$hidden = (($protocol === Protocol::MAIL) ? 1 : 0);
$pending = false;
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if (($protocol == Protocol::ACTIVITYPUB) && isset($ret['manually-approve'])) {
$pending = (bool)$ret['manually-approve'];
}
if (in_array($protocol, [Protocol::MAIL, Protocol::DIASPORA, Protocol::ACTIVITYPUB])) {
$writeable = 1;
}
if (DBA::isResult($contact)) {
// update contact
$new_relation = (in_array($contact['rel'], [self::FOLLOWER, self::FRIEND]) ? self::FRIEND : self::SHARING);
$fields = ['rel' => $new_relation, 'subhub' => $subhub, 'readonly' => false];
self::update($fields, ['id' => $contact['id']]);
} else {
$new_relation = (in_array($protocol, [Protocol::MAIL]) ? self::FRIEND : self::SHARING);
// create contact record
self::insert([
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'uid' => $uid,
'created' => DateTimeFormat::utcNow(),
'url' => $ret['url'],
'nurl' => Strings::normaliseLink($ret['url']),
'addr' => $ret['addr'],
'alias' => $ret['alias'],
'batch' => $ret['batch'],
'notify' => $ret['notify'],
'poll' => $ret['poll'],
'poco' => $ret['poco'],
'name' => $ret['name'],
'nick' => $ret['nick'],
'network' => $ret['network'],
'baseurl' => $ret['baseurl'],
'gsid' => $ret['gsid'] ?? null,
'protocol' => $protocol,
'pubkey' => $ret['pubkey'],
'rel' => $new_relation,
'priority'=> $ret['priority'],
'writable'=> $writeable,
'hidden' => $hidden,
'blocked' => 0,
'readonly'=> 0,
'pending' => $pending,
'subhub' => $subhub
]);
}
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$contact = DBA::selectFirst('contact', [], ['url' => $ret['url'], 'network' => $ret['network'], 'uid' => $uid]);
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if (!DBA::isResult($contact)) {
$result['message'] .= DI::l10n()->t('Unable to retrieve contact information.') . EOL;
return $result;
}
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$contact_id = $contact['id'];
$result['cid'] = $contact_id;
Group::addMember(User::getDefaultGroup($uid), $contact_id);
// Update the avatar
self::updateAvatar($contact_id, $ret['photo']);
// pull feed and consume it, which should subscribe to the hub.
if ($contact['network'] == Protocol::OSTATUS) {
Worker::add(PRIORITY_HIGH, 'OnePoll', $contact_id, 'force');
}
if ($probed) {
self::updateFromProbeArray($contact_id, $ret);
} else {
Worker::add(PRIORITY_HIGH, 'UpdateContact', $contact_id);
}
$result['success'] = Protocol::follow($uid, $contact, $protocol);
return $result;
}
/**
* @param array $importer Owner (local user) data
* @param array $contact Existing owner-specific contact data we want to expand the relationship with. Optional.
* @param array $datarray An item-like array with at least the 'author-id' and 'author-url' keys for the contact. Mandatory.
* @param bool $sharing True: Contact is now sharing with Owner; False: Contact is now following Owner (default)
* @param string $note Introduction additional message
* @return bool|null True: follow request is accepted; False: relationship is rejected; Null: relationship is pending
* @throws HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function addRelationship(array $importer, array $contact, array $datarray, $sharing = false, $note = '')
{
// Should always be set
if (empty($datarray['author-id'])) {
return false;
}
$fields = ['id', 'url', 'name', 'nick', 'avatar', 'photo', 'network', 'blocked'];
$pub_contact = DBA::selectFirst('contact', $fields, ['id' => $datarray['author-id']]);
if (!DBA::isResult($pub_contact)) {
// Should never happen
return false;
}
// Contact is blocked at node-level
if (self::isBlocked($datarray['author-id'])) {
return false;
}
$url = ($datarray['author-link'] ?? '') ?: $pub_contact['url'];
$name = $pub_contact['name'];
$photo = ($pub_contact['avatar'] ?? '') ?: $pub_contact["photo"];
$nick = $pub_contact['nick'];
$network = $pub_contact['network'];
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// Ensure that we don't create a new contact when there already is one
$cid = self::getIdForURL($url, $importer['uid']);
if (!empty($cid)) {
$contact = DBA::selectFirst('contact', [], ['id' => $cid]);
}
self::clearFollowerFollowingEndpointCache($importer['uid']);
if (!empty($contact)) {
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if (!empty($contact['pending'])) {
Logger::info('Pending contact request already exists.', ['url' => $url, 'uid' => $importer['uid']]);
return null;
}
// Contact is blocked at user-level
if (!empty($contact['id']) && !empty($importer['id']) &&
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Contact\User::isBlocked($contact['id'], $importer['id'])) {
return false;
}
// Make sure that the existing contact isn't archived
self::unmarkForArchival($contact);
if (($contact['rel'] == self::SHARING)
|| ($sharing && $contact['rel'] == self::FOLLOWER)) {
self::update(['rel' => self::FRIEND, 'writable' => true, 'pending' => false],
['id' => $contact['id'], 'uid' => $importer['uid']]);
}
// Ensure to always have the correct network type, independent from the connection request method
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self::updateFromProbe($contact['id']);
Post\UserNotification::insertNotification($pub_contact['id'], Activity::FOLLOW, $importer['uid']);
return true;
} else {
// send email notification to owner?
if (DBA::exists('contact', ['nurl' => Strings::normaliseLink($url), 'uid' => $importer['uid'], 'pending' => true])) {
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Logger::notice('ignoring duplicated connection request from pending contact ' . $url);
return null;
}
// create contact record
$contact_id = self::insert([
'uid' => $importer['uid'],
'created' => DateTimeFormat::utcNow(),
'url' => $url,
'nurl' => Strings::normaliseLink($url),
'name' => $name,
'nick' => $nick,
'network' => $network,
'rel' => self::FOLLOWER,
'blocked' => 0,
'readonly' => 0,
'pending' => 1,
'writable' => 1,
]);
// Ensure to always have the correct network type, independent from the connection request method
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self::updateFromProbe($contact_id);
self::updateAvatar($contact_id, $photo, true);
Post\UserNotification::insertNotification($pub_contact['id'], Activity::FOLLOW, $importer['uid']);
$contact_record = DBA::selectFirst('contact', ['id', 'network', 'name', 'url', 'photo'], ['id' => $contact_id]);
/// @TODO Encapsulate this into a function/method
$fields = ['uid', 'username', 'email', 'page-flags', 'notify-flags', 'language'];
$user = DBA::selectFirst('user', $fields, ['uid' => $importer['uid']]);
if (DBA::isResult($user) && !in_array($user['page-flags'], [User::PAGE_FLAGS_SOAPBOX, User::PAGE_FLAGS_FREELOVE, User::PAGE_FLAGS_COMMUNITY])) {
// create notification
if (is_array($contact_record)) {
$intro = DI::introFactory()->createNew(
$importer['uid'],
$contact_record['id'],
$note
);
DI::intro()->save($intro);
}
Group::addMember(User::getDefaultGroup($importer['uid']), $contact_record['id']);
if (($user['notify-flags'] & Notification\Type::INTRO) && $user['page-flags'] == User::PAGE_FLAGS_NORMAL) {
DI::notify()->createFromArray([
'type' => Notification\Type::INTRO,
'otype' => Notification\ObjectType::INTRO,
'verb' => ($sharing ? Activity::FRIEND : Activity::FOLLOW),
'uid' => $user['uid'],
'cid' => $contact_record['id'],
'link' => DI::baseUrl() . '/notifications/intros',
]);
}
} elseif (DBA::isResult($user) && in_array($user['page-flags'], [User::PAGE_FLAGS_SOAPBOX, User::PAGE_FLAGS_FREELOVE, User::PAGE_FLAGS_COMMUNITY])) {
if (($user['page-flags'] == User::PAGE_FLAGS_FREELOVE) && ($network != Protocol::DIASPORA)) {
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self::createFromProbeForUser($importer['uid'], $url, $network);
}
$condition = ['uid' => $importer['uid'], 'url' => $url, 'pending' => true];
$fields = ['pending' => false];
if ($user['page-flags'] == User::PAGE_FLAGS_FREELOVE) {
$fields['rel'] = self::FRIEND;
}
self::update($fields, $condition);
return true;
}
}
return null;
}
/**
* Update the local relationship when a local user loses a follower
*
* @param array $contact User-specific contact (uid != 0) array
* @throws HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
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public static function removeFollower(array $contact)
{
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if (in_array($contact['rel'] ?? [], [self::FRIEND, self::SHARING])) {
self::update(['rel' => self::SHARING], ['id' => $contact['id']]);
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} elseif (!empty($contact['id'])) {
self::remove($contact['id']);
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} else {
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DI::logger()->info('Couldn\'t remove follower because of invalid contact array', ['contact' => $contact, 'callstack' => System::callstack()]);
return;
}
self::clearFollowerFollowingEndpointCache($contact['uid']);
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$cdata = self::getPublicAndUserContactID($contact['id'], $contact['uid']);
DI::notification()->deleteForUserByVerb($contact['uid'], Activity::FOLLOW, ['actor-id' => $cdata['public']]);
}
/**
* Update the local relationship when a local user unfollow a contact.
* Removes the contact for sharing-only protocols (feed and mail).
*
* @param array $contact User-specific contact (uid != 0) array
* @throws HTTPException\InternalServerErrorException
*/
public static function removeSharer(array $contact)
{
self::clearFollowerFollowingEndpointCache($contact['uid']);
if ($contact['rel'] == self::SHARING || in_array($contact['network'], [Protocol::FEED, Protocol::MAIL])) {
self::remove($contact['id']);
} else {
self::update(['rel' => self::FOLLOWER], ['id' => $contact['id']]);
}
}
/**
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* Create a birthday event.
*
* Update the year and the birthday.
*/
public static function updateBirthdays()
{
$condition = [
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'`bd` > ?
AND (`contact`.`rel` = ? OR `contact`.`rel` = ?)
AND NOT `contact`.`pending`
AND NOT `contact`.`hidden`
AND NOT `contact`.`blocked`
AND NOT `contact`.`archive`
AND NOT `contact`.`deleted`',
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DBA::NULL_DATE,
self::SHARING,
self::FRIEND
];
$contacts = DBA::select('contact', ['id', 'uid', 'name', 'url', 'bd'], $condition);
while ($contact = DBA::fetch($contacts)) {
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Logger::notice('update_contact_birthday: ' . $contact['bd']);
$nextbd = DateTimeFormat::utcNow('Y') . substr($contact['bd'], 4);
if (Event::createBirthday($contact, $nextbd)) {
// update bdyear
DBA::update(
'contact',
['bdyear' => substr($nextbd, 0, 4), 'bd' => $nextbd],
['id' => $contact['id']]
);
}
}
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DBA::close($contacts);
}
/**
* Remove the unavailable contact ids from the provided list
*
* @param array $contact_ids Contact id list
* @return array
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* @throws \Exception
*/
public static function pruneUnavailable(array $contact_ids)
{
if (empty($contact_ids)) {
return [];
}
$contacts = self::selectToArray(['id'], [
'id' => $contact_ids,
'blocked' => false,
'pending' => false,
'archive' => false,
]);
return array_column($contacts, 'id');
}
/**
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* Returns a magic link to authenticate remote visitors
*
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* @todo check if the return is either a fully qualified URL or a relative path to Friendica basedir
*
* @param string $contact_url The address of the target contact profile
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* @param string $url An url that we will be redirected to after the authentication
*
* @return string with "redir" link
* @throws HTTPException\InternalServerErrorException
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* @throws \ImagickException
*/
public static function magicLink($contact_url, $url = '')
{
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if (!Session::isAuthenticated()) {
return $url ?: $contact_url; // Equivalent to: ($url != '') ? $url : $contact_url;
}
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$contact = self::getByURL($contact_url, false);
if (empty($contact)) {
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return $url ?: $contact_url; // Equivalent to: ($url != '') ? $url : $contact_url;
}
// Prevents endless loop in case only a non-public contact exists for the contact URL
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unset($contact['uid']);
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return self::magicLinkByContact($contact, $url ?: $contact_url);
}
/**
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* Returns a magic link to authenticate remote visitors
*
* @param integer $cid The contact id of the target contact profile
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* @param string $url An url that we will be redirected to after the authentication
*
* @return string with "redir" link
* @throws HTTPException\InternalServerErrorException
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* @throws \ImagickException
*/
public static function magicLinkById($cid, $url = '')
{
$contact = DBA::selectFirst('contact', ['id', 'network', 'url', 'uid'], ['id' => $cid]);
return self::magicLinkByContact($contact, $url);
}
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/**
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* Returns a magic link to authenticate remote visitors
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*
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* @param array $contact The contact array with "uid", "network" and "url"
* @param string $url An url that we will be redirected to after the authentication
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*
* @return string with "redir" link
* @throws HTTPException\InternalServerErrorException
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* @throws \ImagickException
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*/
public static function magicLinkByContact($contact, $url = '')
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{
$destination = $url ?: $contact['url']; // Equivalent to ($url != '') ? $url : $contact['url'];
if (!Session::isAuthenticated()) {
return $destination;
}
// Only redirections to the same host do make sense
if (($url != '') && (parse_url($url, PHP_URL_HOST) != parse_url($contact['url'], PHP_URL_HOST))) {
return $url;
}
if (DI::pConfig()->get(local_user(), 'system', 'stay_local') && ($url == '')) {
return 'contact/' . $contact['id'] . '/conversations';
}
if (!empty($contact['network']) && $contact['network'] != Protocol::DFRN) {
return $destination;
}
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if (empty($contact['id'])) {
return $destination;
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}
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$redirect = 'redir/' . $contact['id'];
if (($url != '') && !Strings::compareLink($contact['url'], $url)) {
$redirect .= '?url=' . $url;
}
return $redirect;
}
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/**
* Is the contact a forum?
*
* @param integer $contactid ID of the contact
*
* @return boolean "true" if it is a forum
*/
public static function isForum($contactid)
{
$fields = ['contact-type'];
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$condition = ['id' => $contactid];
$contact = DBA::selectFirst('contact', $fields, $condition);
if (!DBA::isResult($contact)) {
return false;
}
// Is it a forum?
return ($contact['contact-type'] == self::TYPE_COMMUNITY);
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}
/**
* Can the remote contact receive private messages?
*
* @param array $contact
* @return bool
*/
public static function canReceivePrivateMessages(array $contact)
{
$protocol = $contact['network'] ?? $contact['protocol'] ?? Protocol::PHANTOM;
$self = $contact['self'] ?? false;
return in_array($protocol, [Protocol::DFRN, Protocol::DIASPORA, Protocol::ACTIVITYPUB]) && !$self;
}
/**
* Search contact table by nick or name
*
* @param string $search Name or nick
* @param string $mode Search mode (e.g. "community")
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* @param int $uid User ID
*
* @return array with search results
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
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public static function searchByName(string $search, string $mode = '', int $uid = 0)
{
if (empty($search)) {
return [];
}
// check supported networks
$networks = [Protocol::DFRN, Protocol::ACTIVITYPUB];
if (DI::config()->get('system', 'diaspora_enabled')) {
$networks[] = Protocol::DIASPORA;
}
if (!DI::config()->get('system', 'ostatus_disabled')) {
$networks[] = Protocol::OSTATUS;
}
$condition = ['network' => $networks, 'failed' => false, 'deleted' => false, 'uid' => $uid];
if ($uid == 0) {
$condition['blocked'] = false;
}
// check if we search only communities or every contact
if ($mode === 'community') {
$condition['contact-type'] = self::TYPE_COMMUNITY;
}
$search .= '%';
$condition = DBA::mergeConditions($condition,
["(NOT `unsearchable` OR `nurl` IN (SELECT `nurl` FROM `owner-view` WHERE `publish` OR `net-publish`))
AND (`addr` LIKE ? OR `name` LIKE ? OR `nick` LIKE ?)", $search, $search, $search]);
$contacts = self::selectToArray([], $condition);
return $contacts;
}
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/**
* Add public contacts from an array
*
* @param array $urls
* @return array result "count", "added" and "updated"
*/
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public static function addByUrls(array $urls)
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{
$added = 0;
$updated = 0;
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$unchanged = 0;
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$count = 0;
foreach ($urls as $url) {
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if (empty($url) || !is_string($url)) {
continue;
}
$contact = self::getByURL($url, false, ['id', 'updated']);
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if (empty($contact['id'])) {
Worker::add(PRIORITY_LOW, 'AddContact', 0, $url);
++$added;
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} elseif ($contact['updated'] < DateTimeFormat::utc('now -7 days')) {
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Worker::add(PRIORITY_LOW, 'UpdateContact', $contact['id']);
++$updated;
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} else {
++$unchanged;
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}
++$count;
}
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return ['count' => $count, 'added' => $added, 'updated' => $updated, 'unchanged' => $unchanged];
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}
/**
* Returns a random, global contact array of the current node
*
* @return array The profile array
* @throws Exception
*/
public static function getRandomContact()
{
$contact = DBA::selectFirst('contact', ['id', 'network', 'url', 'uid'], [
"`uid` = ? AND `network` = ? AND NOT `failed` AND `last-item` > ?",
0, Protocol::DFRN, DateTimeFormat::utc('now - 1 month'),
], ['order' => ['RAND()']]);
if (DBA::isResult($contact)) {
return $contact;
}
return [];
}
}