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friendica/src/Model/Contact.php
Hypolite Petovan 50d05cec83 Ensure url property of Probe::uri result is used authoritatively 
- Some profile URLs aren't canonical and need to be updated during probe
2020-06-26 12:52:39 -04:00

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<?php
/**
* @copyright Copyright (C) 2020, Friendica
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
namespace Friendica\Model;
use Friendica\App\BaseURL;
use Friendica\Content\Pager;
use Friendica\Core\Hook;
use Friendica\Core\Logger;
use Friendica\Core\Protocol;
use Friendica\Core\Session;
use Friendica\Core\System;
use Friendica\Core\Worker;
use Friendica\Database\DBA;
use Friendica\DI;
use Friendica\Model\Notify\Type;
use Friendica\Network\HTTPException;
use Friendica\Network\Probe;
use Friendica\Protocol\Activity;
use Friendica\Protocol\ActivityPub;
use Friendica\Protocol\DFRN;
use Friendica\Protocol\Diaspora;
use Friendica\Protocol\OStatus;
use Friendica\Protocol\Salmon;
use Friendica\Util\DateTimeFormat;
use Friendica\Util\Images;
use Friendica\Util\Network;
use Friendica\Util\Strings;
/**
* functions for interacting with a contact
*/
class Contact
{
/**
* @deprecated since version 2019.03
* @see User::PAGE_FLAGS_NORMAL
*/
const PAGE_NORMAL = User::PAGE_FLAGS_NORMAL;
/**
* @deprecated since version 2019.03
* @see User::PAGE_FLAGS_SOAPBOX
*/
const PAGE_SOAPBOX = User::PAGE_FLAGS_SOAPBOX;
/**
* @deprecated since version 2019.03
* @see User::PAGE_FLAGS_COMMUNITY
*/
const PAGE_COMMUNITY = User::PAGE_FLAGS_COMMUNITY;
/**
* @deprecated since version 2019.03
* @see User::PAGE_FLAGS_FREELOVE
*/
const PAGE_FREELOVE = User::PAGE_FLAGS_FREELOVE;
/**
* @deprecated since version 2019.03
* @see User::PAGE_FLAGS_BLOG
*/
const PAGE_BLOG = User::PAGE_FLAGS_BLOG;
/**
* @deprecated since version 2019.03
* @see User::PAGE_FLAGS_PRVGROUP
*/
const PAGE_PRVGROUP = User::PAGE_FLAGS_PRVGROUP;
/**
* @}
*/
/**
* Account types
*
* TYPE_UNKNOWN - the account has been imported from gcontact where this is the default type value
*
* 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;
/**
* @}
*/
/**
* Contact_is
*
* Relationship types
* @{
*/
const FOLLOWER = 1;
const SHARING = 2;
const FRIEND = 3;
/**
* @}
*/
/**
* @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 = [])
{
return DBA::selectToArray('contact', $fields, $condition, $params);
}
/**
* @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.
*
* @param array $fields field array
* @param bool $on_duplicate_update Do an update on a duplicate entry
*
* @return boolean was the insert successful?
* @throws \Exception
*/
public static function insert(array $fields, bool $on_duplicate_update = false)
{
$ret = DBA::insert('contact', $fields, $on_duplicate_update);
$contact = DBA::selectFirst('contact', ['nurl', 'uid'], ['id' => DBA::lastInsertId()]);
if (!DBA::isResult($contact)) {
// Shouldn't happen
return $ret;
}
// Search for duplicated contacts and get rid of them
self::removeDuplicates($contact['nurl'], $contact['uid']);
return $ret;
}
/**
* @param integer $id Contact ID
* @param array $fields Array of selected fields, empty for all
* @return array|boolean Contact record if it exists, false otherwise
* @throws \Exception
*/
public static function getById($id, $fields = [])
{
return DBA::selectFirst('contact', $fields, ['id' => $id]);
}
/**
* Fetches a contact by a given url
*
* @param string $url profile url
* @param integer $uid User ID of the contact
* @param array $fields Field list
* @param boolean $update true = always update, false = never update, null = update when not found or outdated
* @return array contact array
*/
public static function getByURL(string $url, int $uid = 0, array $fields = [], $update = null)
{
if ($update || is_null($update)) {
$cid = self::getIdForURL($url, $uid, !($update ?? false));
if (empty($cid)) {
return [];
}
return self::getById($cid, $fields);
}
// 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);
}
return $contact;
}
/**
* Tests if the given contact is a follower
*
* @param int $cid Either public contact id or user's contact id
* @param int $uid User ID
*
* @return boolean is the contact id a follower?
* @throws HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function isFollower($cid, $uid)
{
if (self::isBlockedByUser($cid, $uid)) {
return false;
}
$cdata = self::getPublicAndUserContacID($cid, $uid);
if (empty($cdata['user'])) {
return false;
}
$condition = ['id' => $cdata['user'], 'rel' => [self::FOLLOWER, self::FRIEND]];
return DBA::exists('contact', $condition);
}
/**
* 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)
{
$cid = self::getIdForURL($url, $uid, true);
if (empty($cid)) {
return false;
}
return self::isFollower($cid, $uid);
}
/**
* 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, $uid)
{
if (self::isBlockedByUser($cid, $uid)) {
return false;
}
$cdata = self::getPublicAndUserContacID($cid, $uid);
if (empty($cdata['user'])) {
return false;
}
$condition = ['id' => $cdata['user'], 'rel' => [self::SHARING, self::FRIEND]];
return DBA::exists('contact', $condition);
}
/**
* 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)
{
$cid = self::getIdForURL($url, $uid, true);
if (empty($cid)) {
return false;
}
return self::isSharing($cid, $uid);
}
/**
* Get the basepath for a given contact link
*
* @param string $url The contact link
* @param boolean $dont_update Don't update the contact
*
* @return string basepath
* @throws HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function getBasepath($url, $dont_update = false)
{
$contact = DBA::selectFirst('contact', ['id', 'baseurl'], ['uid' => 0, 'nurl' => Strings::normaliseLink($url)]);
if (!DBA::isResult($contact)) {
return '';
}
if (!empty($contact['baseurl'])) {
return $contact['baseurl'];
} elseif ($dont_update) {
return '';
}
// Update the existing contact
self::updateFromProbe($contact['id'], '', true);
// 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 '';
}
Logger::info('Found baseurl for contact', ['url' => $url, 'baseurl' => $contact['baseurl']]);
return $contact['baseurl'];
}
/**
* Check if the given contact url is on the same server
*
* @param string $url The contact link
*
* @return boolean Is it the same server?
*/
public static function isLocal($url)
{
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;
}
return self::getIdForURL($self['url'], 0, true);
}
/**
* 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 $uid User ID
*
* @return array with public and user's contact id
* @throws HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function getPublicAndUserContacID($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) {
$pcid = Contact::getIdForURL($contact['url'], 0, true, ['url' => $contact['url']]);
if (empty($pcid)) {
return [];
}
$ucid = $contact['id'];
} else {
$pcid = $contact['id'];
$ucid = Contact::getIdForURL($contact['url'], $uid, true);
}
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;
}
}
/**
* Block contact id for user id
*
* @param int $cid Either public contact id or user's contact id
* @param int $uid User ID
* @param boolean $blocked Is the contact blocked or unblocked?
* @throws \Exception
*/
public static function setBlockedForUser($cid, $uid, $blocked)
{
$cdata = self::getPublicAndUserContacID($cid, $uid);
if (empty($cdata)) {
return;
}
if ($cdata['user'] != 0) {
DBA::update('contact', ['blocked' => $blocked], ['id' => $cdata['user'], 'pending' => false]);
}
DBA::update('user-contact', ['blocked' => $blocked], ['cid' => $cdata['public'], 'uid' => $uid], true);
}
/**
* Returns "block" state for contact id and user id
*
* @param int $cid Either public contact id or user's contact id
* @param int $uid User ID
*
* @return boolean is the contact id blocked for the given user?
* @throws \Exception
*/
public static function isBlockedByUser($cid, $uid)
{
$cdata = self::getPublicAndUserContacID($cid, $uid);
if (empty($cdata)) {
return;
}
$public_blocked = false;
if (!empty($cdata['public'])) {
$public_contact = DBA::selectFirst('user-contact', ['blocked'], ['cid' => $cdata['public'], 'uid' => $uid]);
if (DBA::isResult($public_contact)) {
$public_blocked = $public_contact['blocked'];
}
}
$user_blocked = $public_blocked;
if (!empty($cdata['user'])) {
$user_contact = DBA::selectFirst('contact', ['blocked'], ['id' => $cdata['user'], 'pending' => false]);
if (DBA::isResult($user_contact)) {
$user_blocked = $user_contact['blocked'];
}
}
if ($user_blocked != $public_blocked) {
DBA::update('user-contact', ['blocked' => $user_blocked], ['cid' => $cdata['public'], 'uid' => $uid], true);
}
return $user_blocked;
}
/**
* Ignore contact id for user id
*
* @param int $cid Either public contact id or user's contact id
* @param int $uid User ID
* @param boolean $ignored Is the contact ignored or unignored?
* @throws \Exception
*/
public static function setIgnoredForUser($cid, $uid, $ignored)
{
$cdata = self::getPublicAndUserContacID($cid, $uid);
if (empty($cdata)) {
return;
}
if ($cdata['user'] != 0) {
DBA::update('contact', ['readonly' => $ignored], ['id' => $cdata['user'], 'pending' => false]);
}
DBA::update('user-contact', ['ignored' => $ignored], ['cid' => $cdata['public'], 'uid' => $uid], true);
}
/**
* Returns "ignore" state for contact id and user id
*
* @param int $cid Either public contact id or user's contact id
* @param int $uid User ID
*
* @return boolean is the contact id ignored for the given user?
* @throws \Exception
*/
public static function isIgnoredByUser($cid, $uid)
{
$cdata = self::getPublicAndUserContacID($cid, $uid);
if (empty($cdata)) {
return;
}
$public_ignored = false;
if (!empty($cdata['public'])) {
$public_contact = DBA::selectFirst('user-contact', ['ignored'], ['cid' => $cdata['public'], 'uid' => $uid]);
if (DBA::isResult($public_contact)) {
$public_ignored = $public_contact['ignored'];
}
}
$user_ignored = $public_ignored;
if (!empty($cdata['user'])) {
$user_contact = DBA::selectFirst('contact', ['readonly'], ['id' => $cdata['user'], 'pending' => false]);
if (DBA::isResult($user_contact)) {
$user_ignored = $user_contact['readonly'];
}
}
if ($user_ignored != $public_ignored) {
DBA::update('user-contact', ['ignored' => $user_ignored], ['cid' => $cdata['public'], 'uid' => $uid], true);
}
return $user_ignored;
}
/**
* Set "collapsed" for contact id and user id
*
* @param int $cid Either public contact id or user's contact id
* @param int $uid User ID
* @param boolean $collapsed are the contact's posts collapsed or uncollapsed?
* @throws \Exception
*/
public static function setCollapsedForUser($cid, $uid, $collapsed)
{
$cdata = self::getPublicAndUserContacID($cid, $uid);
if (empty($cdata)) {
return;
}
DBA::update('user-contact', ['collapsed' => $collapsed], ['cid' => $cdata['public'], 'uid' => $uid], true);
}
/**
* Returns "collapsed" state for contact id and user id
*
* @param int $cid Either public contact id or user's contact id
* @param int $uid User ID
*
* @return boolean is the contact id blocked for the given user?
* @throws HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function isCollapsedByUser($cid, $uid)
{
$cdata = self::getPublicAndUserContacID($cid, $uid);
if (empty($cdata)) {
return;
}
$collapsed = false;
if (!empty($cdata['public'])) {
$public_contact = DBA::selectFirst('user-contact', ['collapsed'], ['cid' => $cdata['public'], 'uid' => $uid]);
if (DBA::isResult($public_contact)) {
$collapsed = $public_contact['collapsed'];
}
}
return $collapsed;
}
/**
* Returns a list of contacts belonging in a group
*
* @param int $gid
* @return array
* @throws \Exception
*/
public static function getByGroupId($gid)
{
$return = [];
if (intval($gid)) {
$stmt = DBA::p('SELECT `group_member`.`contact-id`, `contact`.*
FROM `contact`
INNER JOIN `group_member`
ON `contact`.`id` = `group_member`.`contact-id`
WHERE `gid` = ?
AND `contact`.`uid` = ?
AND NOT `contact`.`self`
AND NOT `contact`.`deleted`
AND NOT `contact`.`blocked`
AND NOT `contact`.`pending`
ORDER BY `contact`.`name` ASC',
$gid,
local_user()
);
if (DBA::isResult($stmt)) {
$return = DBA::toArray($stmt);
}
}
return $return;
}
/**
* Creates the self-contact for the provided user id
*
* @param int $uid
* @return bool Operation success
* @throws HTTPException\InternalServerErrorException
*/
public static function createSelfFromUserId($uid)
{
// Only create the entry if it doesn't exist yet
if (DBA::exists('contact', ['uid' => $uid, 'self' => true])) {
return true;
}
$user = DBA::selectFirst('user', ['uid', 'username', 'nickname'], ['uid' => $uid]);
if (!DBA::isResult($user)) {
return false;
}
$return = DBA::insert('contact', [
'uid' => $user['uid'],
'created' => DateTimeFormat::utcNow(),
'self' => 1,
'name' => $user['username'],
'nick' => $user['nickname'],
'photo' => DI::baseUrl() . '/photo/profile/' . $user['uid'] . '.jpg',
'thumb' => DI::baseUrl() . '/photo/avatar/' . $user['uid'] . '.jpg',
'micro' => DI::baseUrl() . '/photo/micro/' . $user['uid'] . '.jpg',
'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 $return;
}
/**
* Updates the self-contact for the provided user id
*
* @param int $uid
* @param boolean $update_avatar Force the avatar update
* @throws HTTPException\InternalServerErrorException
*/
public static function updateSelfFromUserID($uid, $update_avatar = false)
{
$fields = ['id', 'name', 'nick', 'location', 'about', 'keywords', 'avatar',
'xmpp', 'contact-type', 'forum', 'prv', 'avatar-date', 'url', 'nurl', 'unsearchable',
'photo', 'thumb', 'micro', 'addr', 'request', 'notify', 'poll', 'confirm', 'poco'];
$self = DBA::selectFirst('contact', $fields, ['uid' => $uid, 'self' => true]);
if (!DBA::isResult($self)) {
return;
}
$fields = ['nickname', 'page-flags', 'account-type'];
$user = DBA::selectFirst('user', $fields, ['uid' => $uid]);
if (!DBA::isResult($user)) {
return;
}
$fields = ['name', 'photo', 'thumb', 'about', 'address', 'locality', 'region',
'country-name', 'pub_keywords', 'xmpp', 'net-publish'];
$profile = DBA::selectFirst('profile', $fields, ['uid' => $uid]);
if (!DBA::isResult($profile)) {
return;
}
$file_suffix = 'jpg';
$fields = ['name' => $profile['name'], 'nick' => $user['nickname'],
'avatar-date' => $self['avatar-date'], 'location' => Profile::formatLocation($profile),
'about' => $profile['about'], 'keywords' => $profile['pub_keywords'],
'contact-type' => $user['account-type'],
'xmpp' => $profile['xmpp']];
$avatar = Photo::selectFirst(['resource-id', 'type'], ['uid' => $uid, 'profile' => true]);
if (DBA::isResult($avatar)) {
if ($update_avatar) {
$fields['avatar-date'] = DateTimeFormat::utcNow();
}
// Creating the path to the avatar, beginning with the file suffix
$types = Images::supportedTypes();
if (isset($types[$avatar['type']])) {
$file_suffix = $types[$avatar['type']];
}
// We are adding a timestamp value so that other systems won't use cached content
$timestamp = strtotime($fields['avatar-date']);
$prefix = DI::baseUrl() . '/photo/' .$avatar['resource-id'] . '-';
$suffix = '.' . $file_suffix . '?ts=' . $timestamp;
$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'] = DI::baseUrl() . '/images/person-300.jpg';
$fields['thumb'] = DI::baseUrl() . '/images/person-80.jpg';
$fields['micro'] = DI::baseUrl() . '/images/person-48.jpg';
}
$fields['avatar'] = DI::baseUrl() . '/photo/profile/' .$uid . '.' . $file_suffix;
$fields['forum'] = $user['page-flags'] == User::PAGE_FLAGS_COMMUNITY;
$fields['prv'] = $user['page-flags'] == User::PAGE_FLAGS_PRVGROUP;
$fields['unsearchable'] = !$profile['net-publish'];
// 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'];
$update = false;
foreach ($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();
DBA::update('contact', $fields, ['id' => $self['id']]);
// Update the public contact as well
DBA::update('contact', $fields, ['uid' => 0, 'nurl' => $self['nurl']]);
// Update the profile
$fields = ['photo' => DI::baseUrl() . '/photo/profile/' .$uid . '.' . $file_suffix,
'thumb' => DI::baseUrl() . '/photo/avatar/' . $uid .'.' . $file_suffix];
DBA::update('profile', $fields, ['uid' => $uid]);
}
}
/**
* Marks a contact for removal
*
* @param int $id contact id
* @return null
* @throws HTTPException\InternalServerErrorException
*/
public static function remove($id)
{
// We want just to make sure that we don't delete our "self" contact
$contact = DBA::selectFirst('contact', ['uid'], ['id' => $id, 'self' => false]);
if (!DBA::isResult($contact) || !intval($contact['uid'])) {
return;
}
// Archive the contact
DBA::update('contact', ['archive' => true, 'network' => Protocol::PHANTOM, 'deleted' => true], ['id' => $id]);
// Delete it in the background
Worker::add(PRIORITY_MEDIUM, 'RemoveContact', $id);
}
/**
* Sends an unfriend message. Does not remove the contact
*
* @param array $user User unfriending
* @param array $contact Contact unfriended
* @param boolean $dissolve Remove the contact on the remote side
* @return void
* @throws HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function terminateFriendship(array $user, array $contact, $dissolve = false)
{
if (empty($contact['network'])) {
return;
}
$protocol = $contact['network'];
if (($protocol == Protocol::DFRN) && !self::isLegacyDFRNContact($contact)) {
$protocol = Protocol::ACTIVITYPUB;
}
if (($protocol == Protocol::DFRN) && $dissolve) {
DFRN::deliver($user, $contact, 'placeholder', true);
} elseif (in_array($protocol, [Protocol::OSTATUS, Protocol::DFRN])) {
// create an unfollow slap
$item = [];
$item['verb'] = Activity::O_UNFOLLOW;
$item['gravity'] = GRAVITY_ACTIVITY;
$item['follow'] = $contact["url"];
$item['body'] = '';
$item['title'] = '';
$item['guid'] = '';
$item['uri-id'] = 0;
$item['attach'] = '';
$slap = OStatus::salmon($item, $user);
if (!empty($contact['notify'])) {
Salmon::slapper($user, $contact['notify'], $slap);
}
} elseif ($protocol == Protocol::DIASPORA) {
Diaspora::sendUnshare($user, $contact);
} elseif ($protocol == Protocol::ACTIVITYPUB) {
ActivityPub\Transmitter::sendContactUndo($contact['url'], $contact['id'], $user['uid']);
if ($dissolve) {
ActivityPub\Transmitter::sendContactReject($contact['url'], $contact['hub-verify'], $user['uid']);
}
}
}
/**
* 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
* @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($contact['url'])) {
Logger::log('Empty contact: ' . json_encode($contact) . ' - ' . System::callstack(20), Logger::DEBUG);
}
Logger::log('Contact '.$contact['id'].' is marked for archival', Logger::DEBUG);
// Contact already archived or "self" contact? => nothing to do
if ($contact['archive'] || $contact['self']) {
return;
}
if ($contact['term-date'] <= DBA::NULL_DATETIME) {
DBA::update('contact', ['term-date' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
DBA::update('contact', ['term-date' => DateTimeFormat::utcNow()], ['`nurl` = ? AND `term-date` <= ? AND NOT `self`', Strings::normaliseLink($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.
*/
DBA::update('contact', ['archive' => true], ['id' => $contact['id']]);
DBA::update('contact', ['archive' => true], ['nurl' => Strings::normaliseLink($contact['url']), 'self' => false]);
GContact::updateFromPublicContactURL($contact['url']);
}
}
}
/**
* Cancels the archival countdown
*
* @see Contact::markForArchival()
*
* @param array $contact contact to be unmarked for archival
* @return null
* @throws \Exception
*/
public static function unmarkForArchival(array $contact)
{
// Always unarchive the relay contact entry
if (!empty($contact['batch']) && !empty($contact['term-date']) && ($contact['term-date'] > DBA::NULL_DATETIME)) {
$fields = ['term-date' => DBA::NULL_DATETIME, 'archive' => false];
$condition = ['uid' => 0, 'network' => Protocol::FEDERATED, 'batch' => $contact['batch'], 'contact-type' => self::TYPE_RELAY];
DBA::update('contact', $fields, $condition);
}
$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::log('Contact '.$contact['id'].' is marked as vital again', Logger::DEBUG);
if (!isset($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 = ['term-date' => DBA::NULL_DATETIME, 'archive' => false];
DBA::update('contact', $fields, ['id' => $contact['id']]);
DBA::update('contact', $fields, ['nurl' => Strings::normaliseLink($contact['url']), 'self' => false]);
GContact::updateFromPublicContactURL($contact['url']);
}
/**
* Get contact data for a given profile link
*
* The function looks at several places (contact table and gcontact table) for the contact
* It caches its result for the same script execution to prevent duplicate calls
*
* @param string $url The profile link
* @param int $uid User id
* @param array $default If not data was found take this data as default value
*
* @return array Contact data
* @throws HTTPException\InternalServerErrorException
*/
public static function getDetailsByURL($url, $uid = -1, array $default = [])
{
static $cache = [];
if ($url == '') {
return $default;
}
if ($uid == -1) {
$uid = local_user();
}
if (isset($cache[$url][$uid])) {
return $cache[$url][$uid];
}
$ssl_url = str_replace('http://', 'https://', $url);
$nurl = Strings::normaliseLink($url);
// Fetch contact data from the contact table for the given user
$s = DBA::p("SELECT `id`, `id` AS `cid`, 0 AS `gid`, 0 AS `zid`, `uid`, `url`, `nurl`, `alias`, `network`, `name`, `nick`, `addr`, `location`, `about`, `xmpp`,
`keywords`, `photo`, `thumb`, `micro`, `forum`, `prv`, (`forum` | `prv`) AS `community`, `contact-type`, `bd` AS `birthday`, `self`, `rel`, `pending`
FROM `contact` WHERE `nurl` = ? AND `uid` = ?", $nurl, $uid);
$r = DBA::toArray($s);
// Fetch contact data from the contact table for the given user, checking with the alias
if (!DBA::isResult($r)) {
$s = DBA::p("SELECT `id`, `id` AS `cid`, 0 AS `gid`, 0 AS `zid`, `uid`, `url`, `nurl`, `alias`, `network`, `name`, `nick`, `addr`, `location`, `about`, `xmpp`,
`keywords`, `photo`, `thumb`, `micro`, `forum`, `prv`, (`forum` | `prv`) AS `community`, `contact-type`, `bd` AS `birthday`, `self`, `rel`, `pending`
FROM `contact` WHERE `alias` IN (?, ?, ?) AND `uid` = ?", $nurl, $url, $ssl_url, $uid);
$r = DBA::toArray($s);
}
// Fetch the data from the contact table with "uid=0" (which is filled automatically)
if (!DBA::isResult($r)) {
$s = DBA::p("SELECT `id`, 0 AS `cid`, `id` AS `zid`, 0 AS `gid`, `uid`, `url`, `nurl`, `alias`, `network`, `name`, `nick`, `addr`, `location`, `about`, `xmpp`,
`keywords`, `photo`, `thumb`, `micro`, `forum`, `prv`, (`forum` | `prv`) AS `community`, `contact-type`, `bd` AS `birthday`, 0 AS `self`, `rel`, `pending`
FROM `contact` WHERE `nurl` = ? AND `uid` = 0", $nurl);
$r = DBA::toArray($s);
}
// Fetch the data from the contact table with "uid=0" (which is filled automatically) - checked with the alias
if (!DBA::isResult($r)) {
$s = DBA::p("SELECT `id`, 0 AS `cid`, `id` AS `zid`, 0 AS `gid`, `uid`, `url`, `nurl`, `alias`, `network`, `name`, `nick`, `addr`, `location`, `about`, `xmpp`,
`keywords`, `photo`, `thumb`, `micro`, `forum`, `prv`, (`forum` | `prv`) AS `community`, `contact-type`, `bd` AS `birthday`, 0 AS `self`, `rel`, `pending`
FROM `contact` WHERE `alias` IN (?, ?, ?) AND `uid` = 0", $nurl, $url, $ssl_url);
$r = DBA::toArray($s);
}
// Fetch the data from the gcontact table
if (!DBA::isResult($r)) {
$s = DBA::p("SELECT 0 AS `id`, 0 AS `cid`, `id` AS `gid`, 0 AS `zid`, 0 AS `uid`, `url`, `nurl`, `alias`, `network`, `name`, `nick`, `addr`, `location`, `about`, '' AS `xmpp`,
`keywords`, `photo`, `photo` AS `thumb`, `photo` AS `micro`, 0 AS `forum`, 0 AS `prv`, `community`, `contact-type`, `birthday`, 0 AS `self`, 2 AS `rel`, 0 AS `pending`
FROM `gcontact` WHERE `nurl` = ?", $nurl);
$r = DBA::toArray($s);
}
if (DBA::isResult($r)) {
$authoritativeResult = true;
// If there is more than one entry we filter out the connector networks
if (count($r) > 1) {
foreach ($r as $id => $result) {
if (!in_array($result["network"], Protocol::NATIVE_SUPPORT)) {
unset($r[$id]);
}
}
}
$profile = array_shift($r);
// "bd" always contains the upcoming birthday of a contact.
// "birthday" might contain the birthday including the year of birth.
if ($profile["birthday"] > DBA::NULL_DATE) {
$bd_timestamp = strtotime($profile["birthday"]);
$month = date("m", $bd_timestamp);
$day = date("d", $bd_timestamp);
$current_timestamp = time();
$current_year = date("Y", $current_timestamp);
$current_month = date("m", $current_timestamp);
$current_day = date("d", $current_timestamp);
$profile["bd"] = $current_year . "-" . $month . "-" . $day;
$current = $current_year . "-" . $current_month . "-" . $current_day;
if ($profile["bd"] < $current) {
$profile["bd"] = ( ++$current_year) . "-" . $month . "-" . $day;
}
} else {
$profile["bd"] = DBA::NULL_DATE;
}
} else {
$authoritativeResult = false;
$profile = $default;
}
if (empty($profile["photo"]) && isset($default["photo"])) {
$profile["photo"] = $default["photo"];
}
if (empty($profile["name"]) && isset($default["name"])) {
$profile["name"] = $default["name"];
}
if (empty($profile["network"]) && isset($default["network"])) {
$profile["network"] = $default["network"];
}
if (empty($profile["thumb"]) && isset($profile["photo"])) {
$profile["thumb"] = $profile["photo"];
}
if (empty($profile["micro"]) && isset($profile["thumb"])) {
$profile["micro"] = $profile["thumb"];
}
if ((empty($profile["addr"]) || empty($profile["name"])) && !empty($profile["gid"])
&& in_array($profile["network"], Protocol::FEDERATED)
) {
Worker::add(PRIORITY_LOW, "UpdateGContact", $url);
}
// Show contact details of Diaspora contacts only if connected
if (empty($profile["cid"]) && ($profile["network"] ?? "") == Protocol::DIASPORA) {
$profile["location"] = "";
$profile["about"] = "";
$profile["birthday"] = DBA::NULL_DATE;
}
// Only cache the result if it came from the DB since this method is used in widely different contexts
// @see display_fetch_author for an example of $default parameter diverging from the DB result
if ($authoritativeResult) {
$cache[$url][$uid] = $profile;
}
return $profile;
}
/**
* Get contact data for a given address
*
* The function looks at several places (contact table and gcontact table) for the contact
*
* @param string $addr The profile link
* @param int $uid User id
*
* @return array Contact data
* @throws HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function getDetailsByAddr($addr, $uid = -1)
{
if ($addr == '') {
return [];
}
if ($uid == -1) {
$uid = local_user();
}
// Fetch contact data from the contact table for the given user
$r = q("SELECT `id`, `id` AS `cid`, 0 AS `gid`, 0 AS `zid`, `uid`, `url`, `nurl`, `alias`, `network`, `name`, `nick`, `addr`, `location`, `about`, `xmpp`,
`keywords`, `photo`, `thumb`, `micro`, `forum`, `prv`, (`forum` | `prv`) AS `community`, `contact-type`, `bd` AS `birthday`, `self`, `rel`, `pending`,`baseurl`
FROM `contact` WHERE `addr` = '%s' AND `uid` = %d AND NOT `deleted`",
DBA::escape($addr),
intval($uid)
);
// Fetch the data from the contact table with "uid=0" (which is filled automatically)
if (!DBA::isResult($r)) {
$r = q("SELECT `id`, 0 AS `cid`, `id` AS `zid`, 0 AS `gid`, `uid`, `url`, `nurl`, `alias`, `network`, `name`, `nick`, `addr`, `location`, `about`, `xmpp`,
`keywords`, `photo`, `thumb`, `micro`, `forum`, `prv`, (`forum` | `prv`) AS `community`, `contact-type`, `bd` AS `birthday`, 0 AS `self`, `rel`, `pending`, `baseurl`
FROM `contact` WHERE `addr` = '%s' AND `uid` = 0 AND NOT `deleted`",
DBA::escape($addr)
);
}
// Fetch the data from the gcontact table
if (!DBA::isResult($r)) {
$r = q("SELECT 0 AS `id`, 0 AS `cid`, `id` AS `gid`, 0 AS `zid`, 0 AS `uid`, `url`, `nurl`, `alias`, `network`, `name`, `nick`, `addr`, `location`, `about`, '' AS `xmpp`,
`keywords`, `photo`, `photo` AS `thumb`, `photo` AS `micro`, `community` AS `forum`, 0 AS `prv`, `community`, `contact-type`, `birthday`, 0 AS `self`, 2 AS `rel`, 0 AS `pending`, `server_url` AS `baseurl`
FROM `gcontact` WHERE `addr` = '%s'",
DBA::escape($addr)
);
}
if (!DBA::isResult($r)) {
$data = Probe::uri($addr);
$profile = self::getDetailsByURL($data['url'], $uid, $data);
} else {
$profile = $r[0];
}
return $profile;
}
/**
* 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
* @throws \ImagickException
*/
public static function photoMenu(array $contact, $uid = 0)
{
$pm_url = '';
$status_link = '';
$photos_link = '';
$contact_drop_link = '';
$poke_link = '';
if ($uid == 0) {
$uid = local_user();
}
if (empty($contact['uid']) || ($contact['uid'] != $uid)) {
if ($uid == 0) {
$profile_link = self::magicLink($contact['url']);
$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' => $uid]);
if (DBA::isResult($contact_own)) {
return self::photoMenu($contact_own, $uid);
}
}
$sparkle = false;
if (($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';
$photos_link = str_replace('/profile/', '/photos/', $profile_link);
$profile_link = $profile_link . '/profile';
}
if (self::canReceivePrivateMessages($contact) && empty($contact['pending'])) {
$pm_url = DI::baseUrl() . '/message/new/' . $contact['id'];
}
if (($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/' . $contact['id'] . '/conversations';
if (!$contact['self']) {
$contact_drop_link = DI::baseUrl() . '/contact/' . $contact['id'] . '/drop?confirm=1';
}
$follow_link = '';
$unfollow_link = '';
if (!$contact['self'] && in_array($contact['network'], Protocol::NATIVE_SUPPORT)) {
if ($contact['uid'] && in_array($contact['rel'], [self::SHARING, self::FRIEND])) {
$unfollow_link = 'unfollow?url=' . urlencode($contact['url']);
} elseif(!$contact['pending']) {
$follow_link = 'follow?url=' . urlencode($contact['url']);
}
}
if (!empty($follow_link) || !empty($unfollow_link)) {
$contact_drop_link = '';
}
/**
* Menu array:
* "name" => [ "Label", "link", (bool)Should the link opened in a new tab? ]
*/
if (empty($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],
'drop' => [DI::l10n()->t('Drop Contact') , $contact_drop_link, 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') , $unfollow_link , true],
];
if (!empty($contact['pending'])) {
$intro = DBA::selectFirst('intro', ['id'], ['contact-id' => $contact['id']]);
if (DBA::isResult($intro)) {
$menu['follow'] = [DI::l10n()->t('Approve'), 'notifications/intros/' . $intro['id'], true];
}
}
}
$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;
}
/**
* Returns ungrouped contact count or list for user
*
* Returns either the total number of ungrouped contacts for the given user
* id or a paginated list of ungrouped contacts.
*
* @param int $uid uid
* @return array
* @throws \Exception
*/
public static function getUngroupedList($uid)
{
return q("SELECT *
FROM `contact`
WHERE `uid` = %d
AND NOT `self`
AND NOT `deleted`
AND NOT `blocked`
AND NOT `pending`
AND `id` NOT IN (
SELECT DISTINCT(`contact-id`)
FROM `group_member`
INNER JOIN `group` ON `group`.`id` = `group_member`.`gid`
WHERE `group`.`uid` = %d
)", intval($uid), intval($uid));
}
/**
* Have a look at all contact tables for a given profile url.
* This function works as a replacement for probing the contact.
*
* @param string $url Contact URL
* @param integer $cid Contact ID
*
* @return array Contact array in the "probe" structure
*/
private static function getProbeDataFromDatabase($url, $cid = null)
{
// The link could be provided as http although we stored it as https
$ssl_url = str_replace('http://', 'https://', $url);
$fields = ['id', 'uid', 'url', 'addr', 'alias', 'notify', 'poll', 'name', 'nick',
'photo', 'keywords', 'location', 'about', 'network',
'priority', 'batch', 'request', 'confirm', 'poco'];
if (!empty($cid)) {
$data = DBA::selectFirst('contact', $fields, ['id' => $cid]);
if (DBA::isResult($data)) {
return $data;
}
}
$data = DBA::selectFirst('contact', $fields, ['nurl' => Strings::normaliseLink($url)]);
if (!DBA::isResult($data)) {
$condition = ['alias' => [$url, Strings::normaliseLink($url), $ssl_url]];
$data = DBA::selectFirst('contact', $fields, $condition);
}
if (DBA::isResult($data)) {
// For security reasons we don't fetch key data from our users
$data["pubkey"] = '';
return $data;
}
$fields = ['url', 'addr', 'alias', 'notify', 'name', 'nick',
'photo', 'keywords', 'location', 'about', 'network'];
$data = DBA::selectFirst('gcontact', $fields, ['nurl' => Strings::normaliseLink($url)]);
if (!DBA::isResult($data)) {
$condition = ['alias' => [$url, Strings::normaliseLink($url), $ssl_url]];
$data = DBA::selectFirst('contact', $fields, $condition);
}
if (DBA::isResult($data)) {
$data["pubkey"] = '';
$data["poll"] = '';
$data["priority"] = 0;
$data["batch"] = '';
$data["request"] = '';
$data["confirm"] = '';
$data["poco"] = '';
return $data;
}
$data = ActivityPub::probeProfile($url, false);
if (!empty($data)) {
return $data;
}
$fields = ['url', 'addr', 'alias', 'notify', 'poll', 'name', 'nick',
'photo', 'network', 'priority', 'batch', 'request', 'confirm'];
$data = DBA::selectFirst('fcontact', $fields, ['url' => $url]);
if (!DBA::isResult($data)) {
$condition = ['alias' => [$url, Strings::normaliseLink($url), $ssl_url]];
$data = DBA::selectFirst('contact', $fields, $condition);
}
if (DBA::isResult($data)) {
$data["pubkey"] = '';
$data["keywords"] = '';
$data["location"] = '';
$data["about"] = '';
$data["poco"] = '';
return $data;
}
return [];
}
/**
* 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)
* @param boolean $no_update Don't update the contact
* @param array $default Default value for creating the contact when every else fails
* @param boolean $in_loop Internally used variable to prevent an endless loop
*
* @return integer Contact ID
* @throws HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function getIdForURL($url, $uid = 0, $no_update = false, $default = [], $in_loop = false)
{
Logger::log("Get contact data for url " . $url . " and user " . $uid . " - " . System::callstack(), Logger::DEBUG);
$contact_id = 0;
if ($url == '') {
return 0;
}
$contact = self::getByURL($url, $uid, ['id', 'avatar', 'updated', 'network'], false);
if (!empty($contact)) {
$contact_id = $contact["id"];
$update_contact = false;
// Update the contact every 7 days (Don't update mail or feed contacts)
if (in_array($contact['network'], Protocol::FEDERATED)) {
$update_contact = ($contact['updated'] < DateTimeFormat::utc('now -7 days'));
// We force the update if the avatar is empty
if (empty($contact['avatar'])) {
$update_contact = true;
}
} elseif (empty($default) && in_array($contact['network'], [Protocol::MAIL, Protocol::PHANTOM]) && ($uid == 0)) {
// Update public mail accounts via their user's accounts
$fields = ['network', 'addr', 'name', 'nick', 'avatar', 'photo', 'thumb', 'micro'];
$mailcontact = DBA::selectFirst('contact', $fields, ["`addr` = ? AND `network` = ? AND `uid` != 0", $url, Protocol::MAIL]);
if (!DBA::isResult($mailcontact)) {
$mailcontact = DBA::selectFirst('contact', $fields, ["`nurl` = ? AND `network` = ? AND `uid` != 0", $url, Protocol::MAIL]);
}
if (DBA::isResult($mailcontact)) {
DBA::update('contact', $mailcontact, ['id' => $contact_id]);
}
}
// Update the contact in the background if needed but it is called by the frontend
if ($update_contact && $no_update && in_array($contact['network'], Protocol::NATIVE_SUPPORT)) {
Worker::add(PRIORITY_LOW, "UpdateContact", $contact_id, ($uid == 0 ? 'force' : ''));
}
if (!$update_contact || $no_update) {
return $contact_id;
}
} elseif ($uid != 0) {
// Non-existing user-specific contact, exiting
return 0;
}
if ($no_update && empty($default)) {
// When we don't want to update, we look if we know this contact in any way
$data = self::getProbeDataFromDatabase($url, $contact_id);
$background_update = true;
} elseif ($no_update && !empty($default['network'])) {
// If there are default values, take these
$data = $default;
$background_update = false;
} else {
$data = [];
$background_update = false;
}
if (empty($data)) {
$data = Probe::uri($url, "", $uid);
}
// Take the default values when probing failed
if (!empty($default) && !in_array($data["network"], array_merge(Protocol::NATIVE_SUPPORT, [Protocol::PUMPIO]))) {
$data = array_merge($data, $default);
}
if (empty($data) || ($data['network'] == Protocol::PHANTOM)) {
Logger::info('No valid network found', ['url' => $url, 'data' => $data, 'callstack' => System::callstack(20)]);
return 0;
}
if (!empty($data['baseurl'])) {
$data['baseurl'] = GServer::cleanURL($data['baseurl']);
}
if (!empty($data['baseurl']) && empty($data['gsid'])) {
$data['gsid'] = GServer::getID($data['baseurl']);
}
if (!$contact_id && !empty($data['alias']) && ($data['alias'] != $data['url']) && !$in_loop) {
$contact_id = self::getIdForURL($data["alias"], $uid, true, $default, true);
}
if (!$contact_id) {
$fields = [
'uid' => $uid,
'created' => DateTimeFormat::utcNow(),
'url' => $data['url'],
'nurl' => Strings::normaliseLink($data['url']),
'addr' => $data['addr'] ?? '',
'alias' => $data['alias'] ?? '',
'notify' => $data['notify'] ?? '',
'poll' => $data['poll'] ?? '',
'name' => $data['name'] ?? '',
'nick' => $data['nick'] ?? '',
'photo' => $data['photo'] ?? '',
'keywords' => $data['keywords'] ?? '',
'location' => $data['location'] ?? '',
'about' => $data['about'] ?? '',
'network' => $data['network'],
'pubkey' => $data['pubkey'] ?? '',
'rel' => self::SHARING,
'priority' => $data['priority'] ?? 0,
'batch' => $data['batch'] ?? '',
'request' => $data['request'] ?? '',
'confirm' => $data['confirm'] ?? '',
'poco' => $data['poco'] ?? '',
'baseurl' => $data['baseurl'] ?? '',
'gsid' => $data['gsid'] ?? null,
'name-date' => DateTimeFormat::utcNow(),
'uri-date' => DateTimeFormat::utcNow(),
'avatar-date' => DateTimeFormat::utcNow(),
'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.
$contact = DBA::selectFirst('contact', ['id'], $condition, ['order' => ['id']]);
if (!DBA::isResult($contact)) {
Logger::info('Create new contact', $fields);
self::insert($fields);
// We intentionally aren't using lastInsertId here. There is a chance for duplicates.
$contact = DBA::selectFirst('contact', ['id'], $condition, ['order' => ['id']]);
if (!DBA::isResult($contact)) {
Logger::info('Contact creation failed', $fields);
// Shouldn't happen
return 0;
}
} else {
Logger::info('Contact had been created before', ['id' => $contact["id"], 'url' => $url, 'contact' => $fields]);
}
$contact_id = $contact["id"];
}
if (!empty($data['photo']) && ($data['network'] != Protocol::FEED)) {
self::updateAvatar($data['photo'], $uid, $contact_id);
}
if (in_array($data["network"], array_merge(Protocol::NATIVE_SUPPORT, [Protocol::PUMPIO]))) {
if ($background_update) {
// Update in the background when we fetched the data solely from the database
Worker::add(PRIORITY_MEDIUM, "UpdateContact", $contact_id, ($uid == 0 ? 'force' : ''));
} else {
// Else do a direct update
self::updateFromProbe($contact_id, '', false);
// Update the gcontact entry
if ($uid == 0) {
GContact::updateFromPublicContactID($contact_id);
if (($data['network'] == Protocol::ACTIVITYPUB) && in_array(DI::config()->get('system', 'gcontact_discovery'), [GContact::DISCOVERY_DIRECT, GContact::DISCOVERY_RECURSIVE])) {
GContact::discoverFollowers($data['url']);
}
}
}
} else {
$fields = ['url', 'nurl', 'addr', 'alias', 'name', 'nick', 'keywords', 'location', 'about', 'avatar-date', 'baseurl', 'gsid'];
$contact = DBA::selectFirst('contact', $fields, ['id' => $contact_id]);
// This condition should always be true
if (!DBA::isResult($contact)) {
return $contact_id;
}
$updated = [
'url' => $data['url'],
'nurl' => Strings::normaliseLink($data['url']),
'updated' => DateTimeFormat::utcNow()
];
$fields = ['addr', 'alias', 'name', 'nick', 'keywords', 'location', 'about', 'baseurl', 'gsid'];
foreach ($fields as $field) {
$updated[$field] = ($data[$field] ?? '') ?: $contact[$field];
}
if (($updated['addr'] != $contact['addr']) || (!empty($data['alias']) && ($data['alias'] != $contact['alias']))) {
$updated['uri-date'] = DateTimeFormat::utcNow();
}
if (($data['name'] != $contact['name']) || ($data['nick'] != $contact['nick'])) {
$updated['name-date'] = DateTimeFormat::utcNow();
}
DBA::update('contact', $updated, ['id' => $contact_id], $contact);
}
return $contact_id;
}
/**
* 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;
}
/**
* 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' => $cid]);
if (!DBA::isResult($blocked)) {
return false;
}
if (Network::isUrlBlocked($blocked['url'])) {
return true;
}
return (bool) $blocked['blocked'];
}
/**
* Checks if the contact is hidden
*
* @param int $cid contact id
*
* @return boolean Is the contact hidden?
* @throws \Exception
*/
public static function isHidden($cid)
{
if ($cid == 0) {
return false;
}
$hidden = DBA::selectFirst('contact', ['hidden'], ['id' => $cid]);
if (!DBA::isResult($hidden)) {
return false;
}
return (bool) $hidden['hidden'];
}
/**
* Returns posts from a given contact url
*
* @param string $contact_url Contact URL
* @param bool $thread_mode
* @param int $update
* @return string posts in HTML
* @throws \Exception
*/
public static function getPostsFromUrl($contact_url, $thread_mode = false, $update = 0)
{
return self::getPostsFromId(self::getIdForURL($contact_url), $thread_mode, $update);
}
/**
* Returns posts from a given contact id
*
* @param integer $cid
* @param bool $thread_mode
* @param integer $update
* @return string posts in HTML
* @throws \Exception
*/
public static function getPostsFromId($cid, $thread_mode = false, $update = 0)
{
$a = DI::app();
$contact = DBA::selectFirst('contact', ['contact-type', 'network'], ['id' => $cid]);
if (!DBA::isResult($contact)) {
return '';
}
if (empty($contact["network"]) || in_array($contact["network"], Protocol::FEDERATED)) {
$sql = "(`item`.`uid` = 0 OR (`item`.`uid` = ? AND NOT `item`.`global`))";
} else {
$sql = "`item`.`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` = ? AND " . $sql,
$cid, GRAVITY_PARENT, local_user()];
} else {
$condition = ["`$contact_field` = ? AND `gravity` IN (?, ?) AND " . $sql,
$cid, GRAVITY_PARENT, GRAVITY_COMMENT, local_user()];
}
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(), $pager->getItemsPerPage()]];
if ($thread_mode) {
$r = Item::selectThreadForUser(local_user(), ['uri'], $condition, $params);
$items = Item::inArray($r);
$o = conversation($a, $items, 'contacts', $update, false, 'commented', local_user());
} else {
$r = Item::selectForUser(local_user(), [], $condition, $params);
$items = Item::inArray($r);
$o = conversation($a, $items, 'contact-posts', false);
}
if (!$update) {
$o .= $pager->renderMinimal(count($items));
}
return $o;
}
/**
* Returns the account type name
*
* The function can be called with either the user or the contact array
*
* @param array $contact contact or user array
* @return string
*/
public static function getAccountType(array $contact)
{
// There are several fields that indicate that the contact or user is a forum
// "page-flags" is a field in the user table,
// "forum" and "prv" are used in the contact table. They stand for User::PAGE_FLAGS_COMMUNITY and User::PAGE_FLAGS_PRVGROUP.
// "community" is used in the gcontact table and is true if the contact is User::PAGE_FLAGS_COMMUNITY or User::PAGE_FLAGS_PRVGROUP.
if ((isset($contact['page-flags']) && (intval($contact['page-flags']) == User::PAGE_FLAGS_COMMUNITY))
|| (isset($contact['page-flags']) && (intval($contact['page-flags']) == User::PAGE_FLAGS_PRVGROUP))
|| (isset($contact['forum']) && intval($contact['forum']))
|| (isset($contact['prv']) && intval($contact['prv']))
|| (isset($contact['community']) && intval($contact['community']))
) {
$type = self::TYPE_COMMUNITY;
} else {
$type = self::TYPE_PERSON;
}
// The "contact-type" (contact table) and "account-type" (user table) are more general then the chaos from above.
if (isset($contact["contact-type"])) {
$type = $contact["contact-type"];
}
if (isset($contact["account-type"])) {
$type = $contact["account-type"];
}
switch ($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;
}
/**
* Blocks a contact
*
* @param int $cid
* @return bool
* @throws \Exception
*/
public static function block($cid, $reason = null)
{
$return = DBA::update('contact', ['blocked' => true, 'block_reason' => $reason], ['id' => $cid]);
return $return;
}
/**
* Unblocks a contact
*
* @param int $cid
* @return bool
* @throws \Exception
*/
public static function unblock($cid)
{
$return = DBA::update('contact', ['blocked' => false, 'block_reason' => null], ['id' => $cid]);
return $return;
}
/**
* Updates the avatar links in a contact only if needed
*
* @param string $avatar Link to avatar picture
* @param int $uid User id of contact owner
* @param int $cid Contact id
* @param bool $force force picture update
*
* @return void
* @throws HTTPException\InternalServerErrorException
* @throws HTTPException\NotFoundException
* @throws \ImagickException
*/
public static function updateAvatar($avatar, $uid, $cid, $force = false)
{
$contact = DBA::selectFirst('contact', ['avatar', 'photo', 'thumb', 'micro', 'nurl'], ['id' => $cid, 'self' => false]);
if (!DBA::isResult($contact)) {
return;
}
$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::info('Regenerating avatar', ['contact uid' => $uid, 'cid' => $cid, 'missing photo' => $image_rid, 'avatar' => $contact['avatar']]);
$force = true;
}
}
if (($contact["avatar"] != $avatar) || $force) {
$photos = Photo::importProfilePhoto($avatar, $uid, $cid, true);
if ($photos) {
$fields = ['avatar' => $avatar, 'photo' => $photos[0], 'thumb' => $photos[1], 'micro' => $photos[2], 'avatar-date' => DateTimeFormat::utcNow()];
DBA::update('contact', $fields, ['id' => $cid]);
// Update the public contact (contact id = 0)
if ($uid != 0) {
$pcontact = DBA::selectFirst('contact', ['id'], ['nurl' => $contact['nurl'], 'uid' => 0]);
if (DBA::isResult($pcontact)) {
DBA::update('contact', $fields, ['id' => $pcontact['id']]);
}
}
}
}
}
/**
* Helper function for "updateFromProbe". Updates personal and public contact
*
* @param integer $id contact id
* @param integer $uid user id
* @param string $url The profile URL of the contact
* @param array $fields The fields that are updated
*
* @throws \Exception
*/
private static function updateContact($id, $uid, $url, array $fields)
{
if (!DBA::update('contact', $fields, ['id' => $id])) {
Logger::info('Couldn\'t update contact.', ['id' => $id, 'fields' => $fields]);
return;
}
// Search for duplicated contacts and get rid of them
if (self::removeDuplicates(Strings::normaliseLink($url), $uid) || ($uid != 0)) {
return;
}
// Update the corresponding gcontact entry
GContact::updateFromPublicContactID($id);
// Archive or unarchive the contact. We only need to do this for the public contact.
// The archive/unarchive function will update the personal contacts by themselves.
$contact = DBA::selectFirst('contact', [], ['id' => $id]);
if (!DBA::isResult($contact)) {
Logger::info('Couldn\'t select contact for archival.', ['id' => $id]);
return;
}
if (!empty($fields['success_update'])) {
self::unmarkForArchival($contact);
} elseif (!empty($fields['failure_update'])) {
self::markForArchival($contact);
}
$condition = ['self' => false, 'nurl' => Strings::normaliseLink($url), 'network' => Protocol::FEDERATED];
// These contacts are sharing with us, we don't poll them.
// This means that we don't set the update fields in "OnePoll.php".
$condition['rel'] = self::SHARING;
DBA::update('contact', $fields, $condition);
unset($fields['last-update']);
unset($fields['success_update']);
unset($fields['failure_update']);
if (empty($fields)) {
return;
}
// We are polling these contacts, so we mustn't set the update fields here.
$condition['rel'] = [self::FOLLOWER, self::FRIEND];
DBA::update('contact', $fields, $condition);
}
/**
* Remove duplicated contacts
*
* @param string $nurl Normalised contact url
* @param integer $uid User id
* @return boolean
* @throws \Exception
*/
public static function removeDuplicates(string $nurl, int $uid)
{
$condition = ['nurl' => $nurl, 'uid' => $uid, 'deleted' => false, 'network' => Protocol::FEDERATED];
$count = DBA::count('contact', $condition);
if ($count <= 1) {
return false;
}
$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' => $nurl]);
if (($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];
$duplicates = DBA::select('contact', ['id', 'network'], $condition);
while ($duplicate = DBA::fetch($duplicates)) {
if (!in_array($duplicate['network'], Protocol::FEDERATED)) {
continue;
}
Worker::add(PRIORITY_HIGH, 'MergeContact', $first, $duplicate['id'], $uid);
}
DBA::close($duplicates);
Logger::info('Duplicates handled', ['uid' => $uid, 'nurl' => $nurl]);
return true;
}
/**
* @param integer $id contact id
* @param string $network Optional network we are probing for
* @param boolean $force Optional forcing of network probing (otherwise we use the cached data)
* @return boolean
* @throws HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function updateFromProbe($id, $network = '', $force = false)
{
/*
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.
*/
// These fields aren't updated by this routine:
// 'xmpp', 'sensitive'
$fields = ['uid', 'avatar', 'name', 'nick', 'location', 'keywords', 'about', 'subscribe',
'unsearchable', 'url', 'addr', 'batch', 'notify', 'poll', 'request', 'confirm', 'poco',
'network', 'alias', 'baseurl', 'gsid', 'forum', 'prv', 'contact-type', 'pubkey'];
$contact = DBA::selectFirst('contact', $fields, ['id' => $id]);
if (!DBA::isResult($contact)) {
return false;
}
$uid = $contact['uid'];
unset($contact['uid']);
$pubkey = $contact['pubkey'];
unset($contact['pubkey']);
$contact['photo'] = $contact['avatar'];
unset($contact['avatar']);
$ret = Probe::uri($contact['url'], $network, $uid, !$force);
$updated = DateTimeFormat::utcNow();
// We must not try to update relay contacts via probe. They are no real contacts.
// We check after the probing to be able to correct falsely detected contact types.
if (($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'], ['last-update' => $updated, 'success_update' => $updated]);
Logger::info('Not updating relais', ['id' => $id, 'url' => $contact['url']]);
return true;
}
// If Probe::uri fails the network code will be different ("feed" or "unkn")
if (in_array($ret['network'], [Protocol::FEED, Protocol::PHANTOM]) && ($ret['network'] != $contact['network'])) {
if ($force && ($uid == 0)) {
self::updateContact($id, $uid, $ret['url'], ['last-update' => $updated, 'failure_update' => $updated]);
}
return false;
}
if (isset($ret['hide']) && is_bool($ret['hide'])) {
$ret['unsearchable'] = $ret['hide'];
}
if (isset($ret['account-type']) && is_int($ret['account-type'])) {
$ret['forum'] = false;
$ret['prv'] = false;
$ret['contact-type'] = $ret['account-type'];
if ($ret['contact-type'] == User::ACCOUNT_TYPE_COMMUNITY) {
$apcontact = APContact::getByURL($ret['url'], false);
if (isset($apcontact['manually-approve'])) {
$ret['forum'] = (bool)!$apcontact['manually-approve'];
$ret['prv'] = (bool)!$ret['forum'];
}
}
}
$new_pubkey = $ret['pubkey'];
$update = false;
// 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['photo']) && ($ret['network'] != Protocol::FEED)) {
self::updateAvatar($ret['photo'], $uid, $id, $update || $force);
}
if (!$update) {
if ($force) {
self::updateContact($id, $uid, $ret['url'], ['last-update' => $updated, 'success_update' => $updated]);
}
// Update the public contact
if ($uid != 0) {
self::updateFromProbeByURL($ret['url']);
}
return true;
}
$ret['nurl'] = Strings::normaliseLink($ret['url']);
$ret['updated'] = $updated;
// Only fill the pubkey if it had been empty before. We have to prevent identity theft.
if (empty($pubkey) && !empty($new_pubkey)) {
$ret['pubkey'] = $new_pubkey;
}
if (($ret['addr'] != $contact['addr']) || (!empty($ret['alias']) && ($ret['alias'] != $contact['alias']))) {
$ret['uri-date'] = DateTimeFormat::utcNow();
}
if (($ret['name'] != $contact['name']) || ($ret['nick'] != $contact['nick'])) {
$ret['name-date'] = $updated;
}
if ($force && ($uid == 0)) {
$ret['last-update'] = $updated;
$ret['success_update'] = $updated;
}
unset($ret['photo']);
self::updateContact($id, $uid, $ret['url'], $ret);
return true;
}
public static function updateFromProbeByURL($url, $force = false)
{
$id = self::getIdForURL($url);
if (empty($id)) {
return $id;
}
self::updateFromProbe($id, '', $force);
return $id;
}
/**
* Detects if a given contact array belongs to a legacy DFRN connection
*
* @param array $contact
* @return boolean
*/
public static function isLegacyDFRNContact($contact)
{
// Newer Friendica contacts are connected via AP, then these fields aren't set
return !empty($contact['dfrn-id']) || !empty($contact['issued-id']);
}
/**
* 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
*
* 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.
*
* Takes a $uid and a url/handle and adds a new contact
*
* @param array $user The user the contact should be created for
* @param string $url The profile URL of the contact
* @param bool $interactive
* @param string $network
* @return array
* @throws HTTPException\InternalServerErrorException
* @throws HTTPException\NotFoundException
* @throws \ImagickException
*/
public static function createFromProbe(array $user, $url, $interactive = false, $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'])) {
$ret = $arr['contact'];
} else {
$ret = Probe::uri($url, $network, $user['uid'], false);
}
if (($network != '') && ($ret['network'] != $network)) {
Logger::log('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
$condition = ['uid' => $user['uid'], 'poll' => [$ret['poll'], Strings::normaliseLink($ret['poll'])], 'network' => $ret['network'], 'pending' => false];
$contact = DBA::selectFirst('contact', ['id', 'rel'], $condition);
if (!DBA::isResult($contact)) {
$condition = ['uid' => $user['uid'], 'nurl' => Strings::normaliseLink($ret['url']), 'network' => $ret['network'], 'pending' => false];
$contact = DBA::selectFirst('contact', ['id', 'rel'], $condition);
}
$protocol = self::getProtocol($ret['url'], $ret['network']);
if (($protocol === Protocol::DFRN) && !DBA::isResult($contact)) {
if ($interactive) {
if (strlen(DI::baseUrl()->getUrlPath())) {
$myaddr = bin2hex(DI::baseUrl() . '/profile/' . $user['nickname']);
} else {
$myaddr = bin2hex($user['nickname'] . '@' . DI::baseUrl()->getHostname());
}
DI::baseUrl()->redirect($ret['request'] . "&addr=$myaddr");
// NOTREACHED
}
} elseif (DI::config()->get('system', 'dfrn_only') && ($ret['network'] != Protocol::DFRN)) {
$result['message'] = DI::l10n()->t('This site is not configured to allow communications with other networks.') . EOL;
$result['message'] .= DI::l10n()->t('No compatible communication protocols or feeds were discovered.') . EOL;
return $result;
}
// This extra param just confuses things, remove it
if ($protocol === Protocol::DIASPORA) {
$ret['url'] = str_replace('?absolute=true', '', $ret['url']);
}
// do we have enough information?
if (empty($ret['name']) || empty($ret['poll']) || (empty($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);
$pending = false;
if ($protocol == Protocol::ACTIVITYPUB) {
$apcontact = APContact::getByURL($ret['url'], false);
if (isset($apcontact['manually-approve'])) {
$pending = (bool)$apcontact['manually-approve'];
}
}
if (in_array($protocol, [Protocol::MAIL, Protocol::DIASPORA, Protocol::ACTIVITYPUB])) {
$writeable = 1;
}
if (DBA::isResult($contact)) {
// update contact
$new_relation = (($contact['rel'] == self::FOLLOWER) ? self::FRIEND : self::SHARING);
$fields = ['rel' => $new_relation, 'subhub' => $subhub, 'readonly' => false];
DBA::update('contact', $fields, ['id' => $contact['id']]);
} else {
$new_relation = (in_array($protocol, [Protocol::MAIL]) ? self::FRIEND : self::SHARING);
// create contact record
self::insert([
'uid' => $user['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
]);
}
$contact = DBA::selectFirst('contact', [], ['url' => $ret['url'], 'network' => $ret['network'], 'uid' => $user['uid']]);
if (!DBA::isResult($contact)) {
$result['message'] .= DI::l10n()->t('Unable to retrieve contact information.') . EOL;
return $result;
}
$contact_id = $contact['id'];
$result['cid'] = $contact_id;
Group::addMember(User::getDefaultGroup($user['uid'], $contact["network"]), $contact_id);
// Update the avatar
self::updateAvatar($ret['photo'], $user['uid'], $contact_id);
// pull feed and consume it, which should subscribe to the hub.
Worker::add(PRIORITY_HIGH, "OnePoll", $contact_id, "force");
$owner = User::getOwnerDataById($user['uid']);
if (DBA::isResult($owner)) {
if (in_array($protocol, [Protocol::OSTATUS, Protocol::DFRN])) {
// create a follow slap
$item = [];
$item['verb'] = Activity::FOLLOW;
$item['gravity'] = GRAVITY_ACTIVITY;
$item['follow'] = $contact["url"];
$item['body'] = '';
$item['title'] = '';
$item['guid'] = '';
$item['uri-id'] = 0;
$item['attach'] = '';
$slap = OStatus::salmon($item, $owner);
if (!empty($contact['notify'])) {
Salmon::slapper($owner, $contact['notify'], $slap);
}
} elseif ($protocol == Protocol::DIASPORA) {
$ret = Diaspora::sendShare($owner, $contact);
Logger::log('share returns: ' . $ret);
} elseif ($protocol == Protocol::ACTIVITYPUB) {
$activity_id = ActivityPub\Transmitter::activityIDFromContact($contact_id);
if (empty($activity_id)) {
// This really should never happen
return false;
}
$ret = ActivityPub\Transmitter::sendActivity('Follow', $contact['url'], $user['uid'], $activity_id);
Logger::log('Follow returns: ' . $ret);
}
}
$result['success'] = true;
return $result;
}
/**
* Updated contact's SSL policy
*
* @param array $contact Contact array
* @param string $new_policy New policy, valid: self,full
*
* @return array Contact array with updated values
* @throws \Exception
*/
public static function updateSslPolicy(array $contact, $new_policy)
{
$ssl_changed = false;
if ((intval($new_policy) == BaseURL::SSL_POLICY_SELFSIGN || $new_policy === 'self') && strstr($contact['url'], 'https:')) {
$ssl_changed = true;
$contact['url'] = str_replace('https:', 'http:', $contact['url']);
$contact['request'] = str_replace('https:', 'http:', $contact['request']);
$contact['notify'] = str_replace('https:', 'http:', $contact['notify']);
$contact['poll'] = str_replace('https:', 'http:', $contact['poll']);
$contact['confirm'] = str_replace('https:', 'http:', $contact['confirm']);
$contact['poco'] = str_replace('https:', 'http:', $contact['poco']);
}
if ((intval($new_policy) == BaseURL::SSL_POLICY_FULL || $new_policy === 'full') && strstr($contact['url'], 'http:')) {
$ssl_changed = true;
$contact['url'] = str_replace('http:', 'https:', $contact['url']);
$contact['request'] = str_replace('http:', 'https:', $contact['request']);
$contact['notify'] = str_replace('http:', 'https:', $contact['notify']);
$contact['poll'] = str_replace('http:', 'https:', $contact['poll']);
$contact['confirm'] = str_replace('http:', 'https:', $contact['confirm']);
$contact['poco'] = str_replace('http:', 'https:', $contact['poco']);
}
if ($ssl_changed) {
$fields = ['url' => $contact['url'], 'request' => $contact['request'],
'notify' => $contact['notify'], 'poll' => $contact['poll'],
'confirm' => $contact['confirm'], 'poco' => $contact['poco']];
DBA::update('contact', $fields, ['id' => $contact['id']]);
}
return $contact;
}
/**
* @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 = ['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'];
// 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' => $cid]);
}
if (!empty($contact)) {
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($importer['id']) &&
self::isBlockedByUser($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)) {
DBA::update('contact', ['rel' => self::FRIEND, 'writable' => true, 'pending' => false],
['id' => $contact['id'], 'uid' => $importer['uid']]);
}
// Ensure to always have the correct network type, independent from the connection request method
self::updateFromProbe($contact['id'], '', true);
return true;
} else {
// send email notification to owner?
if (DBA::exists('contact', ['nurl' => Strings::normaliseLink($url), 'uid' => $importer['uid'], 'pending' => true])) {
Logger::log('ignoring duplicated connection request from pending contact ' . $url);
return null;
}
// create contact record
DBA::insert('contact', [
'uid' => $importer['uid'],
'created' => DateTimeFormat::utcNow(),
'url' => $url,
'nurl' => Strings::normaliseLink($url),
'name' => $name,
'nick' => $nick,
'photo' => $photo,
'network' => $network,
'rel' => self::FOLLOWER,
'blocked' => 0,
'readonly' => 0,
'pending' => 1,
'writable' => 1,
]);
$contact_id = DBA::lastInsertId();
// Ensure to always have the correct network type, independent from the connection request method
self::updateFromProbe($contact_id, '', true);
Contact::updateAvatar($photo, $importer["uid"], $contact_id, true);
$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
$hash = Strings::getRandomHex();
if (is_array($contact_record)) {
DBA::insert('intro', ['uid' => $importer['uid'], 'contact-id' => $contact_record['id'],
'blocked' => false, 'knowyou' => false, 'note' => $note,
'hash' => $hash, 'datetime' => DateTimeFormat::utcNow()]);
}
Group::addMember(User::getDefaultGroup($importer['uid'], $contact_record["network"]), $contact_record['id']);
if (($user['notify-flags'] & Type::INTRO) &&
in_array($user['page-flags'], [User::PAGE_FLAGS_NORMAL])) {
notification([
'type' => Type::INTRO,
'notify_flags' => $user['notify-flags'],
'language' => $user['language'],
'to_name' => $user['username'],
'to_email' => $user['email'],
'uid' => $user['uid'],
'link' => DI::baseUrl() . '/notifications/intros',
'source_name' => ((strlen(stripslashes($contact_record['name']))) ? stripslashes($contact_record['name']) : DI::l10n()->t('[Name Withheld]')),
'source_link' => $contact_record['url'],
'source_photo' => $contact_record['photo'],
'verb' => ($sharing ? Activity::FRIEND : Activity::FOLLOW),
'otype' => 'intro'
]);
}
} 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)) {
self::createFromProbe($importer, $url, false, $network);
}
$condition = ['uid' => $importer['uid'], 'url' => $url, 'pending' => true];
$fields = ['pending' => false];
if ($user['page-flags'] == User::PAGE_FLAGS_FREELOVE) {
$fields['rel'] = Contact::FRIEND;
}
DBA::update('contact', $fields, $condition);
return true;
}
}
return null;
}
public static function removeFollower($importer, $contact, array $datarray = [], $item = "")
{
if (($contact['rel'] == self::FRIEND) || ($contact['rel'] == self::SHARING)) {
DBA::update('contact', ['rel' => self::SHARING], ['id' => $contact['id']]);
} else {
Contact::remove($contact['id']);
}
}
public static function removeSharer($importer, $contact, array $datarray = [], $item = "")
{
if (($contact['rel'] == self::FRIEND) || ($contact['rel'] == self::FOLLOWER)) {
DBA::update('contact', ['rel' => self::FOLLOWER], ['id' => $contact['id']]);
} else {
Contact::remove($contact['id']);
}
}
/**
* Create a birthday event.
*
* Update the year and the birthday.
*/
public static function updateBirthdays()
{
$condition = [
'`bd` != ""
AND `bd` > "0001-01-01"
AND SUBSTRING(`bd`, 1, 4) != `bdyear`
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`',
Contact::SHARING,
Contact::FRIEND
];
$contacts = DBA::select('contact', ['id', 'uid', 'name', 'url', 'bd'], $condition);
while ($contact = DBA::fetch($contacts)) {
Logger::log('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' => $contact['id']]
);
}
}
DBA::close($contacts);
}
/**
* Remove the unavailable contact ids from the provided list
*
* @param array $contact_ids Contact id list
* @return array
* @throws \Exception
*/
public static function pruneUnavailable(array $contact_ids)
{
if (empty($contact_ids)) {
return [];
}
$contacts = Contact::selectToArray(['id'], [
'id' => $contact_ids,
'blocked' => false,
'pending' => false,
'archive' => false,
]);
return array_column($contacts, 'id');
}
/**
* Returns a magic link to authenticate remote visitors
*
* @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
* @param string $url An url that we will be redirected to after the authentication
*
* @return string with "redir" link
* @throws HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function magicLink($contact_url, $url = '')
{
if (!Session::isAuthenticated()) {
return $url ?: $contact_url; // Equivalent to: ($url != '') ? $url : $contact_url;
}
$data = self::getProbeDataFromDatabase($contact_url);
if (empty($data)) {
return $url ?: $contact_url; // Equivalent to: ($url != '') ? $url : $contact_url;
}
// Prevents endless loop in case only a non-public contact exists for the contact URL
unset($data['uid']);
return self::magicLinkByContact($data, $url ?: $contact_url);
}
/**
* Returns a magic link to authenticate remote visitors
*
* @param integer $cid The contact id of the target contact profile
* @param string $url An url that we will be redirected to after the authentication
*
* @return string with "redir" link
* @throws HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function magicLinkbyId($cid, $url = '')
{
$contact = DBA::selectFirst('contact', ['id', 'network', 'url', 'uid'], ['id' => $cid]);
return self::magicLinkByContact($contact, $url);
}
/**
* Returns a magic link to authenticate remote visitors
*
* @param array $contact The contact array with "uid", "network" and "url"
* @param string $url An url that we will be redirected to after the authentication
*
* @return string with "redir" link
* @throws HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function magicLinkByContact($contact, $url = '')
{
$destination = $url ?: $contact['url']; // Equivalent to ($url != '') ? $url : $contact['url'];
if (!Session::isAuthenticated() || ($contact['network'] != Protocol::DFRN)) {
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 $url;
}
if (!empty($contact['uid'])) {
return self::magicLink($contact['url'], $url);
}
if (empty($contact['id'])) {
return $destination;
}
$redirect = 'redir/' . $contact['id'];
if (($url != '') && !Strings::compareLink($contact['url'], $url)) {
$redirect .= '?url=' . $url;
}
return $redirect;
}
/**
* Remove a contact from all groups
*
* @param integer $contact_id
*
* @return boolean Success
*/
public static function removeFromGroups($contact_id)
{
return DBA::delete('group_member', ['contact-id' => $contact_id]);
}
/**
* 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 = ['forum', 'prv'];
$condition = ['id' => $contactid];
$contact = DBA::selectFirst('contact', $fields, $condition);
if (!DBA::isResult($contact)) {
return false;
}
// Is it a forum?
return ($contact['forum'] || $contact['prv']);
}
/**
* 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;
}
}
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