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friendica-github/src/Model/Contact.php

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<?php
/**
* @file src/Model/Contact.php
*/
namespace Friendica\Model;
use Friendica\BaseObject;
use Friendica\Core\Addon;
use Friendica\Core\Config;
use Friendica\Core\L10n;
use Friendica\Core\PConfig;
use Friendica\Core\Protocol;
use Friendica\Core\System;
use Friendica\Core\Worker;
use Friendica\Database\DBA;
use Friendica\Model\Profile;
use Friendica\Network\Probe;
use Friendica\Object\Image;
use Friendica\Protocol\ActivityPub;
use Friendica\Protocol\Diaspora;
use Friendica\Protocol\DFRN;
use Friendica\Protocol\OStatus;
use Friendica\Protocol\PortableContact;
use Friendica\Protocol\Salmon;
use Friendica\Util\DateTimeFormat;
use Friendica\Util\Network;
require_once 'boot.php';
require_once 'include/dba.php';
require_once 'include/text.php';
/**
* @brief functions for interacting with a contact
*/
class Contact extends BaseObject
{
/**
* @name page/profile types
*
* PAGE_NORMAL is a typical personal profile account
* PAGE_SOAPBOX automatically approves all friend requests as Contact::SHARING, (readonly)
* PAGE_COMMUNITY automatically approves all friend requests as Contact::SHARING, but with
* write access to wall and comments (no email and not included in page owner's ACL lists)
* PAGE_FREELOVE automatically approves all friend requests as full friends (Contact::FRIEND).
*
* @{
*/
const PAGE_NORMAL = 0;
const PAGE_SOAPBOX = 1;
const PAGE_COMMUNITY = 2;
const PAGE_FREELOVE = 3;
const PAGE_BLOG = 4;
const PAGE_PRVGROUP = 5;
/**
* @}
*/
/**
* @name account types
*
* ACCOUNT_TYPE_PERSON - the account belongs to a person
* Associated page types: PAGE_NORMAL, PAGE_SOAPBOX, PAGE_FREELOVE
*
* ACCOUNT_TYPE_ORGANISATION - the account belongs to an organisation
* Associated page type: PAGE_SOAPBOX
*
* ACCOUNT_TYPE_NEWS - the account is a news reflector
* Associated page type: PAGE_SOAPBOX
*
* ACCOUNT_TYPE_COMMUNITY - the account is community forum
* Associated page types: PAGE_COMMUNITY, PAGE_PRVGROUP
*
* ACCOUNT_TYPE_RELAY - the account is a relay
* This will only be assigned to contacts, not to user accounts
* @{
*/
const ACCOUNT_TYPE_PERSON = 0;
const ACCOUNT_TYPE_ORGANISATION = 1;
const ACCOUNT_TYPE_NEWS = 2;
const ACCOUNT_TYPE_COMMUNITY = 3;
const ACCOUNT_TYPE_RELAY = 4;
/**
* @}
*/
/**
* @name Contact_is
*
* Relationship types
* @{
*/
const FOLLOWER = 1;
const SHARING = 2;
const FRIEND = 3;
/**
* @}
*/
/**
* @brief 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 $uid User ID
*
* @return array with public and user's contact id
*/
private static function getPublicAndUserContacID($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];
}
/**
* @brief 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 $blocked Is the contact blocked or unblocked?
*/
public static function setBlockedForUser($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);
}
/**
* @brief Returns "block" state for contact id and user id
*
* @param int $cid Either public contact id or user's contact id
* @param int $uid User ID
*
* @return boolean is the contact id blocked for the given user?
*/
public static function isBlockedByUser($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;
}
/**
* @brief 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 $ignored Is the contact ignored or unignored?
*/
public static function setIgnoredForUser($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);
}
/**
* @brief Returns "ignore" state for contact id and user id
*
* @param int $cid Either public contact id or user's contact id
* @param int $uid User ID
*
* @return boolean is the contact id ignored for the given user?
*/
public static function isIgnoredByUser($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;
}
/**
* @brief 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 $collapsed are the contact's posts collapsed or uncollapsed?
*/
public static function setCollapsedForUser($cid, $uid, $collapsed)
{
$cdata = self::getPublicAndUserContacID($cid, $uid);
if (empty($cdata)) {
return;
}
DBA::update('user-contact', ['collapsed' => $collapsed], ['cid' => $cdata['public'], 'uid' => $uid], true);
}
/**
* @brief Returns "collapsed" state for contact id and user id
*
* @param int $cid Either public contact id or user's contact id
* @param int $uid User ID
*
* @return boolean is the contact id blocked for the given user?
*/
public static function isCollapsedByUser($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;
}
/**
* @brief Returns a list of contacts belonging in a group
*
* @param int $gid
* @return array
*/
public static function getByGroupId($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`.`blocked`
AND NOT `contact`.`pending`
ORDER BY `contact`.`name` ASC',
$gid,
local_user()
);
if (DBA::isResult($stmt)) {
$return = DBA::toArray($stmt);
}
}
return $return;
}
/**
* @brief Returns the count of OStatus contacts in a group
*
* @param int $gid
* @return int
*/
public static function getOStatusCountByGroupId($gid)
{
$return = 0;
if (intval($gid)) {
$contacts = DBA::fetchFirst('SELECT COUNT(*) AS `count`
FROM `contact`
INNER JOIN `group_member`
ON `contact`.`id` = `group_member`.`contact-id`
WHERE `gid` = ?
AND `contact`.`uid` = ?
AND `contact`.`network` = ?
AND `contact`.`notify` != ""',
$gid,
local_user(),
Protocol::OSTATUS
);
$return = $contacts['count'];
}
return $return;
}
/**
* Creates the self-contact for the provided user id
*
* @param int $uid
* @return bool Operation success
*/
public static function createSelfFromUserId($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' => System::baseUrl() . '/photo/profile/' . $user['uid'] . '.jpg',
'thumb' => System::baseUrl() . '/photo/avatar/' . $user['uid'] . '.jpg',
'micro' => System::baseUrl() . '/photo/micro/' . $user['uid'] . '.jpg',
'blocked' => 0,
'pending' => 0,
'url' => System::baseUrl() . '/profile/' . $user['nickname'],
'nurl' => normalise_link(System::baseUrl() . '/profile/' . $user['nickname']),
'addr' => $user['nickname'] . '@' . substr(System::baseUrl(), strpos(System::baseUrl(), '://') + 3),
'request' => System::baseUrl() . '/dfrn_request/' . $user['nickname'],
'notify' => System::baseUrl() . '/dfrn_notify/' . $user['nickname'],
'poll' => System::baseUrl() . '/dfrn_poll/' . $user['nickname'],
'confirm' => System::baseUrl() . '/dfrn_confirm/' . $user['nickname'],
'poco' => System::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 $update_avatar Force the avatar update
*/
public static function updateSelfFromUserID($uid, $update_avatar = false)
{
$fields = ['id', 'name', 'nick', 'location', 'about', 'keywords', 'gender', 'avatar',
'xmpp', 'contact-type', 'forum', 'prv', 'avatar-date', 'nurl'];
$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', 'gender', 'pub_keywords', 'xmpp'];
$profile = DBA::selectFirst('profile', $fields, ['uid' => $uid, 'is-default' => true]);
if (!DBA::isResult($profile)) {
return;
}
$fields = ['name' => $profile['name'], 'nick' => $user['nickname'],
'avatar-date' => $self['avatar-date'], 'location' => Profile::formatLocation($profile),
'about' => $profile['about'], 'keywords' => $profile['pub_keywords'],
'gender' => $profile['gender'], 'avatar' => $profile['photo'],
'contact-type' => $user['account-type'], 'xmpp' => $profile['xmpp']];
$avatar = DBA::selectFirst('photo', ['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
$types = Image::supportedTypes();
if (isset($types[$avatar['type']])) {
$file_suffix = $types[$avatar['type']];
} else {
$file_suffix = 'jpg';
}
// We are adding a timestamp value so that other systems won't use cached content
$timestamp = strtotime($fields['avatar-date']);
$prefix = System::baseUrl() . '/photo/' .$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'] = System::baseUrl() . '/images/person-175.jpg';
$fields['thumb'] = System::baseUrl() . '/images/person-80.jpg';
$fields['micro'] = System::baseUrl() . '/images/person-48.jpg';
}
$fields['forum'] = $user['page-flags'] == self::PAGE_COMMUNITY;
$fields['prv'] = $user['page-flags'] == self::PAGE_PRVGROUP;
// it seems as if ported accounts can have wrong values, so we make sure that now everything is fine.
$fields['url'] = System::baseUrl() . '/profile/' . $user['nickname'];
$fields['nurl'] = normalise_link($fields['url']);
$fields['addr'] = $user['nickname'] . '@' . substr(System::baseUrl(), strpos(System::baseUrl(), '://') + 3);
$fields['request'] = System::baseUrl() . '/dfrn_request/' . $user['nickname'];
$fields['notify'] = System::baseUrl() . '/dfrn_notify/' . $user['nickname'];
$fields['poll'] = System::baseUrl() . '/dfrn_poll/' . $user['nickname'];
$fields['confirm'] = System::baseUrl() . '/dfrn_confirm/' . $user['nickname'];
$fields['poco'] = System::baseUrl() . '/poco/' . $user['nickname'];
$update = false;
foreach ($fields as $field => $content) {
if (isset($self[$field]) && $self[$field] != $content) {
$update = true;
}
}
if ($update) {
$fields['name-date'] = 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
$fields = ['photo' => System::baseUrl() . '/photo/profile/' .$uid . '.jpg',
'thumb' => System::baseUrl() . '/photo/avatar/' . $uid .'.jpg'];
DBA::update('profile', $fields, ['uid' => $uid, 'is-default' => true]);
}
}
/**
* @brief Marks a contact for removal
*
* @param int $id contact id
* @return null
*/
public static function remove($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], ['id' => $id]);
// Delete it in the background
Worker::add(PRIORITY_LOW, 'RemoveContact', $id);
}
/**
* @brief 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
*/
public static function terminateFriendship(array $user, array $contact, $dissolve = false)
{
if (($contact['network'] == Protocol::DFRN) && $dissolve) {
DFRN::deliver($user, $contact, 'placeholder', true);
} elseif (in_array($contact['network'], [Protocol::OSTATUS, Protocol::DFRN])) {
// create an unfollow slap
$item = [];
$item['verb'] = NAMESPACE_OSTATUS . "/unfollow";
$item['follow'] = $contact["url"];
$item['body'] = '';
$item['title'] = '';
$item['guid'] = '';
$item['tag'] = '';
$item['attach'] = '';
$slap = OStatus::salmon($item, $user);
if (!empty($contact['notify'])) {
Salmon::slapper($user, $contact['notify'], $slap);
}
} elseif ($contact['network'] == Protocol::DIASPORA) {
Diaspora::sendUnshare($user, $contact);
} elseif ($contact['network'] == Protocol::ACTIVITYPUB) {
ActivityPub::transmitContactActivity('Undo', $contact['url'], '', $user['uid']);
}
}
/**
* @brief 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
*/
public static function markForArchival(array $contact)
{
if (!isset($contact['url']) && !empty($contact['id'])) {
$fields = ['id', 'url', 'archive', 'self', 'term-date'];
$contact = DBA::selectFirst('contact', [], ['id' => $contact['id']]);
if (!DBA::isResult($contact)) {
return;
}
} elseif (!isset($contact['url'])) {
logger('Empty contact: ' . json_encode($contact) . ' - ' . System::callstack(20), LOGGER_DEBUG);
}
// Contact already archived or "self" contact? => nothing to do
if ($contact['archive'] || $contact['self']) {
return;
}
if ($contact['term-date'] <= NULL_DATE) {
DBA::update('contact', ['term-date' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
DBA::update('contact', ['term-date' => DateTimeFormat::utcNow()], ['`nurl` = ? AND `term-date` <= ? AND NOT `self`', normalise_link($contact['url']), NULL_DATE]);
} 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 = 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' => 1], ['id' => $contact['id']]);
DBA::update('contact', ['archive' => 1], ['nurl' => normalise_link($contact['url']), 'self' => false]);
}
}
}
/**
* @brief Cancels the archival countdown
*
* @see Contact::markForArchival()
*
* @param array $contact contact to be unmarked for archival
* @return null
*/
public static function unmarkForArchival(array $contact)
{
$condition = ['`id` = ? AND (`term-date` > ? OR `archive`)', $contact['id'], NULL_DATE];
$exists = DBA::exists('contact', $condition);
// We don't need to update, we never marked this contact for archival
if (!$exists) {
return;
}
if (!isset($contact['url']) && !empty($contact['id'])) {
$fields = ['id', 'url', 'batch'];
$contact = DBA::selectFirst('contact', [], ['id' => $contact['id']]);
if (!DBA::isResult($contact)) {
return;
}
}
// It's a miracle. Our dead contact has inexplicably come back to life.
$fields = ['term-date' => NULL_DATE, 'archive' => false];
DBA::update('contact', $fields, ['id' => $contact['id']]);
DBA::update('contact', $fields, ['nurl' => normalise_link($contact['url'])]);
if (!empty($contact['batch'])) {
$condition = ['batch' => $contact['batch'], 'contact-type' => self::ACCOUNT_TYPE_RELAY];
DBA::update('contact', $fields, $condition);
}
}
/**
* @brief 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 $default If not data was found take this data as default value
*
* @return array Contact data
*/
public static function getDetailsByURL($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);
// Fetch contact data from the contact table for the given user
$s = DBA::p("SELECT `id`, `id` AS `cid`, 0 AS `gid`, 0 AS `zid`, `uid`, `url`, `nurl`, `alias`, `network`, `name`, `nick`, `addr`, `location`, `about`, `xmpp`,
`keywords`, `gender`, `photo`, `thumb`, `micro`, `forum`, `prv`, (`forum` | `prv`) AS `community`, `contact-type`, `bd` AS `birthday`, `self`
FROM `contact` WHERE `nurl` = ? AND `uid` = ?", normalise_link($url), $uid);
$r = DBA::toArray($s);
// Fetch contact data from the contact table for the given user, checking with the alias
if (!DBA::isResult($r)) {
$s = DBA::p("SELECT `id`, `id` AS `cid`, 0 AS `gid`, 0 AS `zid`, `uid`, `url`, `nurl`, `alias`, `network`, `name`, `nick`, `addr`, `location`, `about`, `xmpp`,
`keywords`, `gender`, `photo`, `thumb`, `micro`, `forum`, `prv`, (`forum` | `prv`) AS `community`, `contact-type`, `bd` AS `birthday`, `self`
FROM `contact` WHERE `alias` IN (?, ?, ?) AND `uid` = ?", normalise_link($url), $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)) {
$s = DBA::p("SELECT `id`, 0 AS `cid`, `id` AS `zid`, 0 AS `gid`, `uid`, `url`, `nurl`, `alias`, `network`, `name`, `nick`, `addr`, `location`, `about`, `xmpp`,
`keywords`, `gender`, `photo`, `thumb`, `micro`, `forum`, `prv`, (`forum` | `prv`) AS `community`, `contact-type`, `bd` AS `birthday`, 0 AS `self`
FROM `contact` WHERE `nurl` = ? AND `uid` = 0", normalise_link($url));
$r = DBA::toArray($s);
}
// Fetch the data from the contact table with "uid=0" (which is filled automatically) - checked with the alias
if (!DBA::isResult($r)) {
$s = DBA::p("SELECT `id`, 0 AS `cid`, `id` AS `zid`, 0 AS `gid`, `uid`, `url`, `nurl`, `alias`, `network`, `name`, `nick`, `addr`, `location`, `about`, `xmpp`,
`keywords`, `gender`, `photo`, `thumb`, `micro`, `forum`, `prv`, (`forum` | `prv`) AS `community`, `contact-type`, `bd` AS `birthday`, 0 AS `self`
FROM `contact` WHERE `alias` IN (?, ?, ?) AND `uid` = 0", normalise_link($url), $url, $ssl_url);
$r = DBA::toArray($s);
}
// Fetch the data from the gcontact table
if (!DBA::isResult($r)) {
$s = DBA::p("SELECT 0 AS `id`, 0 AS `cid`, `id` AS `gid`, 0 AS `zid`, 0 AS `uid`, `url`, `nurl`, `alias`, `network`, `name`, `nick`, `addr`, `location`, `about`, '' AS `xmpp`,
`keywords`, `gender`, `photo`, `photo` AS `thumb`, `photo` AS `micro`, 0 AS `forum`, 0 AS `prv`, `community`, `contact-type`, `birthday`, 0 AS `self`
FROM `gcontact` WHERE `nurl` = ?", normalise_link($url));
$r = DBA::toArray($s);
}
if (DBA::isResult($r)) {
// If there is more than one entry we filter out the connector networks
if (count($r) > 1) {
foreach ($r as $id => $result) {
if ($result["network"] == Protocol::STATUSNET) {
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"] > '0001-01-01') {
$bd_timestamp = strtotime($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"] = '0001-01-01';
}
} else {
$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($profile["name"])) && (defaults($profile, "gid", 0) != 0)
&& in_array($profile["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS])
) {
Worker::add(PRIORITY_LOW, "UpdateGContact", $profile["gid"]);
}
// Show contact details of Diaspora contacts only if connected
if ((defaults($profile, "cid", 0) == 0) && (defaults($profile, "network", "") == Protocol::DIASPORA)) {
$profile["location"] = "";
$profile["about"] = "";
$profile["gender"] = "";
$profile["birthday"] = '0001-01-01';
}
$cache[$url][$uid] = $profile;
return $profile;
}
/**
* @brief 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 $uid User id
*
* @return array Contact data
*/
public static function getDetailsByAddr($addr, $uid = -1)
{
static $cache = [];
if ($addr == '') {
return [];
}
if ($uid == -1) {
$uid = local_user();
}
// Fetch contact data from the contact table for the given user
$r = q("SELECT `id`, `id` AS `cid`, 0 AS `gid`, 0 AS `zid`, `uid`, `url`, `nurl`, `alias`, `network`, `name`, `nick`, `addr`, `location`, `about`, `xmpp`,
`keywords`, `gender`, `photo`, `thumb`, `micro`, `forum`, `prv`, (`forum` | `prv`) AS `community`, `contact-type`, `bd` AS `birthday`, `self`
FROM `contact` WHERE `addr` = '%s' AND `uid` = %d",
DBA::escape($addr),
intval($uid)
);
// Fetch the data from the contact table with "uid=0" (which is filled automatically)
if (!DBA::isResult($r)) {
$r = q("SELECT `id`, 0 AS `cid`, `id` AS `zid`, 0 AS `gid`, `uid`, `url`, `nurl`, `alias`, `network`, `name`, `nick`, `addr`, `location`, `about`, `xmpp`,
`keywords`, `gender`, `photo`, `thumb`, `micro`, `forum`, `prv`, (`forum` | `prv`) AS `community`, `contact-type`, `bd` AS `birthday`, 0 AS `self`
FROM `contact` WHERE `addr` = '%s' AND `uid` = 0",
DBA::escape($addr)
);
}
// Fetch the data from the gcontact table
if (!DBA::isResult($r)) {
$r = q("SELECT 0 AS `id`, 0 AS `cid`, `id` AS `gid`, 0 AS `zid`, 0 AS `uid`, `url`, `nurl`, `alias`, `network`, `name`, `nick`, `addr`, `location`, `about`, '' AS `xmpp`,
`keywords`, `gender`, `photo`, `photo` AS `thumb`, `photo` AS `micro`, `community` AS `forum`, 0 AS `prv`, `community`, `contact-type`, `birthday`, 0 AS `self`
FROM `gcontact` WHERE `addr` = '%s'",
DBA::escape($addr)
);
}
if (!DBA::isResult($r)) {
$data = Probe::uri($addr);
$profile = self::getDetailsByURL($data['url'], $uid);
} else {
$profile = $r[0];
}
return $profile;
}
/**
* @brief Returns the data array for the photo menu of a given contact
*
* @param array $contact contact
* @param int $uid optional, default 0
* @return array
*/
public static function photoMenu(array $contact, $uid = 0)
{
// @todo Unused, to be removed
$a = get_app();
$contact_url = '';
$pm_url = '';
$status_link = '';
$photos_link = '';
$posts_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' => [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']) {
$sparkle = true;
$profile_link = System::baseUrl() . '/redir/' . $contact['id'];
} else {
$profile_link = $contact['url'];
}
if ($profile_link === 'mailbox') {
$profile_link = '';
}
if ($sparkle) {
$status_link = $profile_link . '?url=status';
$photos_link = $profile_link . '?url=photos';
$profile_link = $profile_link . '?url=profile';
}
if (in_array($contact['network'], [Protocol::DFRN, Protocol::DIASPORA]) && !$contact['self']) {
$pm_url = System::baseUrl() . '/message/new/' . $contact['id'];
}
if (($contact['network'] == Protocol::DFRN) && !$contact['self']) {
$poke_link = System::baseUrl() . '/poke/?f=&c=' . $contact['id'];
}
$contact_url = System::baseUrl() . '/contacts/' . $contact['id'];
$posts_link = System::baseUrl() . '/contacts/' . $contact['id'] . '/conversations';
if (!$contact['self']) {
$contact_drop_link = System::baseUrl() . '/contacts/' . $contact['id'] . '/drop?confirm=1';
}
/**
* Menu array:
* "name" => [ "Label", "link", (bool)Should the link opened in a new tab? ]
*/
if (empty($contact['uid'])) {
$connlnk = 'follow/?url=' . $contact['url'];
$menu = [
'profile' => [L10n::t('View Profile'), $profile_link, true],
'network' => [L10n::t('Network Posts'), $posts_link, false],
'edit' => [L10n::t('View Contact'), $contact_url, false],
'follow' => [L10n::t('Connect/Follow'), $connlnk, true],
];
} else {
$menu = [
'status' => [L10n::t('View Status'), $status_link, true],
'profile' => [L10n::t('View Profile'), $profile_link, true],
'photos' => [L10n::t('View Photos'), $photos_link, true],
'network' => [L10n::t('Network Posts'), $posts_link, false],
'edit' => [L10n::t('View Contact'), $contact_url, false],
'drop' => [L10n::t('Drop Contact'), $contact_drop_link, false],
'pm' => [L10n::t('Send PM'), $pm_url, false],
'poke' => [L10n::t('Poke'), $poke_link, false],
];
}
$args = ['contact' => $contact, 'menu' => &$menu];
Addon::callHooks('contact_photo_menu', $args);
$menucondensed = [];
foreach ($menu as $menuname => $menuitem) {
if ($menuitem[1] != '') {
$menucondensed[$menuname] = $menuitem;
}
}
return $menucondensed;
}
/**
* @brief 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
* @param int $start optional, default 0
* @param int $count optional, default 0
*
* @return array
*/
public static function getUngroupedList($uid)
{
return q("SELECT *
FROM `contact`
WHERE `uid` = %d
AND NOT `self`
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));
}
/**
* @brief 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 $default Default value for creating the contact when every else fails
*
* @return integer Contact ID
*/
public static function getIdForURL($url, $uid = 0, $no_update = false, $default = [])
{
logger("Get contact data for url " . $url . " and user " . $uid . " - " . System::callstack(), LOGGER_DEBUG);
$contact_id = 0;
if ($url == '') {
return 0;
}
/// @todo Verify if we can't use Contact::getDetailsByUrl instead of the following
// We first try the nurl (http://server.tld/nick), most common case
$contact = DBA::selectFirst('contact', ['id', 'avatar', 'avatar-date'], ['nurl' => normalise_link($url), 'uid' => $uid]);
// Then the addr (nick@server.tld)
if (!DBA::isResult($contact)) {
$contact = DBA::selectFirst('contact', ['id', 'avatar', 'avatar-date'], ['addr' => $url, 'uid' => $uid]);
}
// Then the alias (which could be anything)
if (!DBA::isResult($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` = ?', $url, normalise_link($url), $ssl_url, $uid];
$contact = DBA::selectFirst('contact', ['id', 'avatar', 'avatar-date'], $condition);
}
if (DBA::isResult($contact)) {
$contact_id = $contact["id"];
// Update the contact every 7 days
$update_contact = ($contact['avatar-date'] < DateTimeFormat::utc('now -7 days'));
// We force the update if the avatar is empty
if (!x($contact, 'avatar')) {
$update_contact = true;
}
if (!$update_contact || $no_update) {
return $contact_id;
}
} elseif ($uid != 0) {
// Non-existing user-specific contact, exiting
return 0;
}
// When we don't want to update, we look if some of our users already know this contact
if ($no_update) {
$fields = ['url', 'addr', 'alias', 'notify', 'poll', 'name', 'nick',
'photo', 'keywords', 'location', 'about', 'network',
'priority', 'batch', 'request', 'confirm', 'poco'];
$data = DBA::selectFirst('contact', $fields, ['nurl' => normalise_link($url)]);
if (DBA::isResult($data)) {
// For security reasons we don't fetch key data from our users
$data["pubkey"] = '';
}
} else {
$data = [];
}
if (empty($data)) {
$data = Probe::uri($url, "", $uid);
// Ensure that there is a gserver entry
if (!empty($data['baseurl']) && ($data['network'] != Protocol::PHANTOM)) {
PortableContact::checkServer($data['baseurl']);
}
}
// Last try in gcontact for unsupported networks
if (!in_array($data["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::OSTATUS, Protocol::DIASPORA, Protocol::PUMPIO, Protocol::MAIL, Protocol::FEED])) {
if ($uid != 0) {
return 0;
}
// Get data from the gcontact table
$fields = ['name', 'nick', 'url', 'photo', 'addr', 'alias', 'network'];
$contact = DBA::selectFirst('gcontact', $fields, ['nurl' => normalise_link($url)]);
if (!DBA::isResult($contact)) {
$contact = DBA::selectFirst('contact', $fields, ['nurl' => normalise_link($url)]);
}
if (!DBA::isResult($contact)) {
$fields = ['url', 'addr', 'alias', 'notify', 'poll', 'name', 'nick',
'photo', 'keywords', 'location', 'about', 'network',
'priority', 'batch', 'request', 'confirm', 'poco'];
$contact = DBA::selectFirst('contact', $fields, ['addr' => $url]);
}
if (!DBA::isResult($contact)) {
// The link could be provided as http although we stored it as https
$ssl_url = str_replace('http://', 'https://', $url);
$condition = ['alias' => [$url, normalise_link($url), $ssl_url]];
$contact = DBA::selectFirst('contact', $fields, $condition);
}
if (!DBA::isResult($contact)) {
$fields = ['url', 'addr', 'alias', 'notify', 'poll', 'name', 'nick',
'photo', 'network', 'priority', 'batch', 'request', 'confirm'];
$condition = ['url' => [$url, normalise_link($url), $ssl_url]];
$contact = DBA::selectFirst('fcontact', $fields, $condition);
}
if (!empty($default)) {
$contact = $default;
}
if (!DBA::isResult($contact)) {
return 0;
} else {
$data = array_merge($data, $contact);
}
}
if (!$contact_id && ($data["alias"] != '') && ($data["alias"] != $url)) {
$contact_id = self::getIdForURL($data["alias"], $uid, true);
}
$url = $data["url"];
if (!$contact_id) {
DBA::insert('contact', [
'uid' => $uid,
'created' => DateTimeFormat::utcNow(),
'url' => $data["url"],
'nurl' => normalise_link($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"],
'batch' => $data["batch"],
'request' => $data["request"],
'confirm' => $data["confirm"],
'poco' => $data["poco"],
'name-date' => DateTimeFormat::utcNow(),
'uri-date' => DateTimeFormat::utcNow(),
'avatar-date' => DateTimeFormat::utcNow(),
'writable' => 1,
'blocked' => 0,
'readonly' => 0,
'pending' => 0]
);
$s = DBA::select('contact', ['id'], ['nurl' => normalise_link($data["url"]), 'uid' => $uid], ['order' => ['id'], 'limit' => 2]);
$contacts = DBA::toArray($s);
if (!DBA::isResult($contacts)) {
return 0;
}
$contact_id = $contacts[0]["id"];
// Update the newly created contact from data in the gcontact table
$gcontact = DBA::selectFirst('gcontact', ['location', 'about', 'keywords', 'gender'], ['nurl' => normalise_link($data["url"])]);
if (DBA::isResult($gcontact)) {
// Only use the information when the probing hadn't fetched these values
if ($data['keywords'] != '') {
unset($gcontact['keywords']);
}
if ($data['location'] != '') {
unset($gcontact['location']);
}
if ($data['about'] != '') {
unset($gcontact['about']);
}
DBA::update('contact', $gcontact, ['id' => $contact_id]);
}
if (count($contacts) > 1 && $uid == 0 && $contact_id != 0 && $data["url"] != "") {
DBA::delete('contact', ["`nurl` = ? AND `uid` = 0 AND `id` != ? AND NOT `self`",
normalise_link($data["url"]), $contact_id]);
}
}
self::updateAvatar($data["photo"], $uid, $contact_id);
$fields = ['url', 'nurl', 'addr', 'alias', 'name', 'nick', 'keywords', 'location', 'about', 'avatar-date', 'pubkey'];
$contact = DBA::selectFirst('contact', $fields, ['id' => $contact_id]);
// This condition should always be true
if (!DBA::isResult($contact)) {
return $contact_id;
}
$updated = ['addr' => $data['addr'],
'alias' => $data['alias'],
'url' => $data['url'],
'nurl' => normalise_link($data['url']),
'name' => $data['name'],
'nick' => $data['nick']];
if ($data['keywords'] != '') {
$updated['keywords'] = $data['keywords'];
}
if ($data['location'] != '') {
$updated['location'] = $data['location'];
}
// Update the technical stuff as well - if filled
if ($data['notify'] != '') {
$updated['notify'] = $data['notify'];
}
if ($data['poll'] != '') {
$updated['poll'] = $data['poll'];
}
if ($data['batch'] != '') {
$updated['batch'] = $data['batch'];
}
if ($data['request'] != '') {
$updated['request'] = $data['request'];
}
if ($data['confirm'] != '') {
$updated['confirm'] = $data['confirm'];
}
if ($data['poco'] != '') {
$updated['poco'] = $data['poco'];
}
// Only fill the pubkey if it had been empty before. We have to prevent identity theft.
if (empty($contact['pubkey'])) {
$updated['pubkey'] = $data['pubkey'];
}
if (($data["addr"] != $contact["addr"]) || ($data["alias"] != $contact["alias"])) {
$updated['uri-date'] = DateTimeFormat::utcNow();
}
if (($data["name"] != $contact["name"]) || ($data["nick"] != $contact["nick"])) {
$updated['name-date'] = DateTimeFormat::utcNow();
}
$updated['avatar-date'] = DateTimeFormat::utcNow();
DBA::update('contact', $updated, ['id' => $contact_id], $contact);
return $contact_id;
}
/**
* @brief Checks if the contact is blocked
*
* @param int $cid contact id
*
* @return boolean Is the contact blocked?
*/
public static function isBlocked($cid)
{
if ($cid == 0) {
return false;
}
$blocked = DBA::selectFirst('contact', ['blocked'], ['id' => $cid]);
if (!DBA::isResult($blocked)) {
return false;
}
return (bool) $blocked['blocked'];
}
/**
* @brief Checks if the contact is hidden
*
* @param int $cid contact id
*
* @return boolean Is the contact hidden?
*/
public static function isHidden($cid)
{
if ($cid == 0) {
return false;
}
$hidden = DBA::selectFirst('contact', ['hidden'], ['id' => $cid]);
if (!DBA::isResult($hidden)) {
return false;
}
return (bool) $hidden['hidden'];
}
/**
* @brief Returns posts from a given contact url
*
* @param string $contact_url Contact URL
*
* @return string posts in HTML
*/
public static function getPostsFromUrl($contact_url, $thread_mode = false, $update = 0)
{
$a = self::getApp();
require_once 'include/conversation.php';
// There are no posts with "uid = 0" with connector networks
// This speeds up the query a lot
$r = q("SELECT `network`, `id` AS `author-id`, `contact-type` FROM `contact`
WHERE `contact`.`nurl` = '%s' AND `contact`.`uid` = 0",
DBA::escape(normalise_link($contact_url))
);
if (!DBA::isResult($r)) {
return '';
}
if (in_array($r[0]["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, ""])) {
$sql = "(`item`.`uid` = 0 OR (`item`.`uid` = ? AND NOT `item`.`global`))";
} else {
$sql = "`item`.`uid` = ?";
}
$author_id = intval($r[0]["author-id"]);
$contact = ($r[0]["contact-type"] == self::ACCOUNT_TYPE_COMMUNITY ? 'owner-id' : 'author-id');
if ($thread_mode) {
$condition = ["`$contact` = ? AND `gravity` = ? AND " . $sql,
$author_id, GRAVITY_PARENT, local_user()];
} else {
$condition = ["`$contact` = ? AND `gravity` IN (?, ?) AND " . $sql,
$author_id, GRAVITY_PARENT, GRAVITY_COMMENT, local_user()];
}
$params = ['order' => ['created' => true],
'limit' => [$a->pager['start'], $a->pager['itemspage']]];
if ($thread_mode) {
$r = Item::selectThreadForUser(local_user(), ['uri'], $condition, $params);
$items = Item::inArray($r);
$o = conversation($a, $items, 'contacts', $update);
} else {
$r = Item::selectForUser(local_user(), [], $condition, $params);
$items = Item::inArray($r);
$o = conversation($a, $items, 'contact-posts', false);
}
if (!$update) {
$o .= alt_pager($a, count($items));
}
return $o;
}
/**
* @brief 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 $contact)
{
// There are several fields that indicate that the contact or user is a forum
// "page-flags" is a field in the user table,
// "forum" and "prv" are used in the contact table. They stand for self::PAGE_COMMUNITY and self::PAGE_PRVGROUP.
// "community" is used in the gcontact table and is true if the contact is self::PAGE_COMMUNITY or self::PAGE_PRVGROUP.
if ((isset($contact['page-flags']) && (intval($contact['page-flags']) == self::PAGE_COMMUNITY))
|| (isset($contact['page-flags']) && (intval($contact['page-flags']) == self::PAGE_PRVGROUP))
|| (isset($contact['forum']) && intval($contact['forum']))
|| (isset($contact['prv']) && intval($contact['prv']))
|| (isset($contact['community']) && intval($contact['community']))
) {
$type = self::ACCOUNT_TYPE_COMMUNITY;
} else {
$type = self::ACCOUNT_TYPE_PERSON;
}
// The "contact-type" (contact table) and "account-type" (user table) are more general then the chaos from above.
if (isset($contact["contact-type"])) {
$type = $contact["contact-type"];
}
if (isset($contact["account-type"])) {
$type = $contact["account-type"];
}
switch ($type) {
case self::ACCOUNT_TYPE_ORGANISATION:
$account_type = L10n::t("Organisation");
break;
case self::ACCOUNT_TYPE_NEWS:
$account_type = L10n::t('News');
break;
case self::ACCOUNT_TYPE_COMMUNITY:
$account_type = L10n::t("Forum");
break;
default:
$account_type = "";
break;
}
return $account_type;
}
/**
* @brief Blocks a contact
*
* @param int $uid
* @return bool
*/
public static function block($uid)
{
$return = DBA::update('contact', ['blocked' => true], ['id' => $uid]);
return $return;
}
/**
* @brief Unblocks a contact
*
* @param int $uid
* @return bool
*/
public static function unblock($uid)
{
$return = DBA::update('contact', ['blocked' => false], ['id' => $uid]);
return $return;
}
/**
* @brief 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 $force force picture update
*
* @return array Returns array of the different avatar sizes
*/
public static function updateAvatar($avatar, $uid, $cid, $force = false)
{
$contact = DBA::selectFirst('contact', ['avatar', 'photo', 'thumb', 'micro', 'nurl'], ['id' => $cid]);
if (!DBA::isResult($contact)) {
return false;
} else {
$data = [$contact["photo"], $contact["thumb"], $contact["micro"]];
}
if (($contact["avatar"] != $avatar) || $force) {
$photos = Photo::importProfilePhoto($avatar, $uid, $cid, true);
if ($photos) {
DBA::update(
'contact',
['avatar' => $avatar, 'photo' => $photos[0], 'thumb' => $photos[1], 'micro' => $photos[2], 'avatar-date' => DateTimeFormat::utcNow()],
['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)) {
self::updateAvatar($avatar, 0, $pcontact['id'], $force);
}
}
return $photos;
}
}
return $data;
}
/**
* @param integer $id contact id
* @param string $network Optional network we are probing for
* @return boolean
*/
public static function updateFromProbe($id, $network = '')
{
/*
Warning: Never ever fetch the public key via Probe::uri and write it into the contacts.
This will reliably kill your communication with Friendica contacts.
*/
$fields = ['url', 'nurl', 'addr', 'alias', 'batch', 'notify', 'poll', 'poco', 'network'];
$contact = DBA::selectFirst('contact', $fields, ['id' => $id]);
if (!DBA::isResult($contact)) {
return false;
}
$ret = Probe::uri($contact["url"], $network);
// If Probe::uri fails the network code will be different
if (($ret["network"] != $contact["network"]) && ($ret["network"] != $network)) {
return false;
}
$update = false;
// make sure to not overwrite existing values with blank entries
foreach ($ret as $key => $val) {
if (isset($contact[$key]) && ($contact[$key] != "") && ($val == "")) {
$ret[$key] = $contact[$key];
}
if (isset($contact[$key]) && ($ret[$key] != $contact[$key])) {
$update = true;
}
}
if (!$update) {
return true;
}
DBA::update(
'contact', [
'url' => $ret['url'],
'nurl' => normalise_link($ret['url']),
'network' => $ret['network'],
'addr' => $ret['addr'],
'alias' => $ret['alias'],
'batch' => $ret['batch'],
'notify' => $ret['notify'],
'poll' => $ret['poll'],
'poco' => $ret['poco']
],
['id' => $id]
);
// Update the corresponding gcontact entry
PortableContact::lastUpdated($ret["url"]);
return true;
}
/**
* 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.
*
* @brief Takes a $uid and a url/handle and adds a new contact
* @param int $uid
* @param string $url
* @param bool $interactive
* @param string $network
* @return boolean|string
*/
public static function createFromProbe($uid, $url, $interactive = false, $network = '')
{
$result = ['cid' => -1, 'success' => false, 'message' => ''];
$a = get_app();
// remove ajax junk, e.g. Twitter
$url = str_replace('/#!/', '/', $url);
if (!Network::isUrlAllowed($url)) {
$result['message'] = L10n::t('Disallowed profile URL.');
return $result;
}
if (Network::isUrlBlocked($url)) {
$result['message'] = L10n::t('Blocked domain');
return $result;
}
if (!$url) {
$result['message'] = L10n::t('Connect URL missing.');
return $result;
}
$arr = ['url' => $url, 'contact' => []];
Addon::callHooks('follow', $arr);
if (empty($arr)) {
$result['message'] = L10n::t('The contact could not be added. Please check the relevant network credentials in your Settings -> Social Networks page.');
return $result;
}
if (x($arr['contact'], 'name')) {
$ret = $arr['contact'];
} else {
$ret = Probe::uri($url, $network, $uid, false);
}
if (($network != '') && ($ret['network'] != $network)) {
logger('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' => $uid, 'poll' => [$ret['poll'], normalise_link($ret['poll'])], 'network' => $ret['network'], 'pending' => false];
$contact = DBA::selectFirst('contact', ['id', 'rel'], $condition);
if (!DBA::isResult($contact)) {
$condition = ['uid' => $uid, 'nurl' => normalise_link($url), 'network' => $ret['network'], 'pending' => false];
$contact = DBA::selectFirst('contact', ['id', 'rel'], $condition);
}
if (($ret['network'] === Protocol::DFRN) && !DBA::isResult($contact)) {
if ($interactive) {
if (strlen($a->urlpath)) {
$myaddr = bin2hex(System::baseUrl() . '/profile/' . $a->user['nickname']);
} else {
$myaddr = bin2hex($a->user['nickname'] . '@' . $a->get_hostname());
}
goaway($ret['request'] . "&addr=$myaddr");
// NOTREACHED
}
} elseif (Config::get('system', 'dfrn_only') && ($ret['network'] != Protocol::DFRN)) {
$result['message'] = L10n::t('This site is not configured to allow communications with other networks.') . EOL;
$result['message'] != L10n::t('No compatible communication protocols or feeds were discovered.') . EOL;
return $result;
}
// This extra param just confuses things, remove it
if ($ret['network'] === Protocol::DIASPORA) {
$ret['url'] = str_replace('?absolute=true', '', $ret['url']);
}
// do we have enough information?
if (!((x($ret, 'name')) && (x($ret, 'poll')) && ((x($ret, 'url')) || (x($ret, 'addr'))))) {
$result['message'] .= L10n::t('The profile address specified does not provide adequate information.') . EOL;
if (!x($ret, 'poll')) {
$result['message'] .= L10n::t('No compatible communication protocols or feeds were discovered.') . EOL;
}
if (!x($ret, 'name')) {
$result['message'] .= L10n::t('An author or name was not found.') . EOL;
}
if (!x($ret, 'url')) {
$result['message'] .= L10n::t('No browser URL could be matched to this address.') . EOL;
}
if (strpos($url, '@') !== false) {
$result['message'] .= L10n::t('Unable to match @-style Identity Address with a known protocol or email contact.') . EOL;
$result['message'] .= L10n::t('Use mailto: in front of address to force email check.') . EOL;
}
return $result;
}
if ($ret['network'] === Protocol::OSTATUS && Config::get('system', 'ostatus_disabled')) {
$result['message'] .= 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'] .= L10n::t('Limited profile. This person will be unable to receive direct/personal notifications from you.') . EOL;
}
$writeable = ((($ret['network'] === Protocol::OSTATUS) && ($ret['notify'])) ? 1 : 0);
$subhub = (($ret['network'] === Protocol::OSTATUS) ? true : false);
$hidden = (($ret['network'] === Protocol::MAIL) ? 1 : 0);
if (in_array($ret['network'], [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 {
$new_relation = (in_array($ret['network'], [Protocol::MAIL]) ? self::FRIEND : self::SHARING);
// create contact record
DBA::insert('contact', [
'uid' => $uid,
'created' => DateTimeFormat::utcNow(),
'url' => $ret['url'],
'nurl' => normalise_link($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'],
'pubkey' => $ret['pubkey'],
'rel' => $new_relation,
'priority'=> $ret['priority'],
'writable'=> $writeable,
'hidden' => $hidden,
'blocked' => 0,
'readonly'=> 0,
'pending' => 0,
'subhub' => $subhub
]);
}
$contact = DBA::selectFirst('contact', [], ['url' => $ret['url'], 'network' => $ret['network'], 'uid' => $uid]);
if (!DBA::isResult($contact)) {
$result['message'] .= L10n::t('Unable to retrieve contact information.') . EOL;
return $result;
}
$contact_id = $contact['id'];
$result['cid'] = $contact_id;
Group::addMember(User::getDefaultGroup($uid, $contact["network"]), $contact_id);
// Update the avatar
self::updateAvatar($ret['photo'], $uid, $contact_id);
// pull feed and consume it, which should subscribe to the hub.
Worker::add(PRIORITY_HIGH, "OnePoll", $contact_id, "force");
$owner = User::getOwnerDataById($uid);
if (DBA::isResult($owner)) {
if (in_array($contact['network'], [Protocol::OSTATUS, Protocol::DFRN])) {
// create a follow slap
$item = [];
$item['verb'] = ACTIVITY_FOLLOW;
$item['follow'] = $contact["url"];
$item['body'] = '';
$item['title'] = '';
$item['guid'] = '';
$item['tag'] = '';
$item['attach'] = '';
$slap = OStatus::salmon($item, $owner);
if (!empty($contact['notify'])) {
Salmon::slapper($owner, $contact['notify'], $slap);
}
} elseif ($contact['network'] == Protocol::DIASPORA) {
$ret = Diaspora::sendShare($a->user, $contact);
logger('share returns: ' . $ret);
} elseif ($contact['network'] == Protocol::ACTIVITYPUB) {
$ret = ActivityPub::transmitActivity('Follow', $contact['url'], $uid);
logger('Follow returns: ' . $ret);
}
}
$result['success'] = true;
return $result;
}
/**
* @brief 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
*/
public static function updateSslPolicy(array $contact, $new_policy)
{
$ssl_changed = false;
if ((intval($new_policy) == 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) == 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 $contact;
}
public static function addRelationship($importer, $contact, $datarray, $item = '', $sharing = false) {
// Should always be set
if (empty($datarray['author-id'])) {
return;
}
$fields = ['url', 'name', 'nick', 'photo', 'network'];
$pub_contact = DBA::selectFirst('contact', $fields, ['id' => $datarray['author-id']]);
if (!DBA::isResult($pub_contact)) {
// Should never happen
return;
}
$url = $pub_contact['url'];
$name = $pub_contact['name'];
$photo = $pub_contact['photo'];
$nick = $pub_contact['nick'];
$network = $pub_contact['network'];
if (is_array($contact)) {
if (($contact['rel'] == self::SHARING)
|| ($sharing && $contact['rel'] == self::FOLLOWER)) {
DBA::update('contact', ['rel' => self::FRIEND, 'writable' => true],
['id' => $contact['id'], 'uid' => $importer['uid']]);
}
if ($contact['network'] == Protocol::ACTIVITYPUB) {
ActivityPub::transmitContactActivity('Accept', $contact['url'], $contact['hub-verify'], $importer['uid']);
}
// send email notification to owner?
} else {
if (DBA::exists('contact', ['nurl' => normalise_link($url), 'uid' => $importer['uid'], 'pending' => true])) {
logger('ignoring duplicated connection request from pending contact ' . $url);
return;
}
// create contact record
q("INSERT INTO `contact` (`uid`, `created`, `url`, `nurl`, `name`, `nick`, `photo`, `network`, `rel`,
`blocked`, `readonly`, `pending`, `writable`)
VALUES (%d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, 0, 0, 1, 1)",
intval($importer['uid']),
DBA::escape(DateTimeFormat::utcNow()),
DBA::escape($url),
DBA::escape(normalise_link($url)),
DBA::escape($name),
DBA::escape($nick),
DBA::escape($photo),
DBA::escape($network),
intval(self::FOLLOWER)
);
$contact_record = [
'id' => DBA::lastInsertId(),
'network' => $network,
'name' => $name,
'url' => $url,
'photo' => $photo
];
Contact::updateAvatar($photo, $importer["uid"], $contact_record["id"], true);
/// @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'], [self::PAGE_SOAPBOX, self::PAGE_FREELOVE, self::PAGE_COMMUNITY])) {
// create notification
$hash = random_string();
if (is_array($contact_record)) {
DBA::insert('intro', ['uid' => $importer['uid'], 'contact-id' => $contact_record['id'],
'blocked' => false, 'knowyou' => false,
'hash' => $hash, 'datetime' => DateTimeFormat::utcNow()]);
}
Group::addMember(User::getDefaultGroup($importer['uid'], $contact_record["network"]), $contact_record['id']);
if (($user['notify-flags'] & NOTIFY_INTRO) &&
in_array($user['page-flags'], [self::PAGE_NORMAL])) {
notification([
'type' => NOTIFY_INTRO,
'notify_flags' => $user['notify-flags'],
'language' => $user['language'],
'to_name' => $user['username'],
'to_email' => $user['email'],
'uid' => $user['uid'],
'link' => System::baseUrl() . '/notifications/intro',
'source_name' => ((strlen(stripslashes($contact_record['name']))) ? stripslashes($contact_record['name']) : 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'], [self::PAGE_SOAPBOX, self::PAGE_FREELOVE, self::PAGE_COMMUNITY])) {
$condition = ['uid' => $importer['uid'], 'url' => $url, 'pending' => true];
DBA::update('contact', ['pending' => false], $condition);
}
}
}
public static function removeFollower($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']);
}
}
/**
* @brief Create a birthday event.
*
* Update the year and the birthday.
*/
public static function updateBirthdays()
{
// This only handles foreign or alien networks where a birthday has been provided.
// In-network birthdays are handled within local_delivery
$r = q("SELECT * FROM `contact` WHERE `bd` != '' AND `bd` > '0001-01-01' AND SUBSTRING(`bd`, 1, 4) != `bdyear` ");
if (DBA::isResult($r)) {
foreach ($r as $rr) {
logger('update_contact_birthday: ' . $rr['bd']);
$nextbd = DateTimeFormat::utcNow('Y') . substr($rr['bd'], 4);
/*
* Add new birthday event for this person
*
* $bdtext is just a readable placeholder in case the event is shared
* with others. We will replace it during presentation to our $importer
* to contain a sparkle link and perhaps a photo.
*/
// Check for duplicates
$condition = ['uid' => $rr['uid'], 'cid' => $rr['id'],
'start' => DateTimeFormat::utc($nextbd), 'type' => 'birthday'];
if (DBA::exists('event', $condition)) {
continue;
}
$bdtext = L10n::t('%s\'s birthday', $rr['name']);
$bdtext2 = L10n::t('Happy Birthday %s', ' [url=' . $rr['url'] . ']' . $rr['name'] . '[/url]');
q("INSERT INTO `event` (`uid`,`cid`,`created`,`edited`,`start`,`finish`,`summary`,`desc`,`type`,`adjust`)
VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%d' ) ", intval($rr['uid']), intval($rr['id']),
DBA::escape(DateTimeFormat::utcNow()), DBA::escape(DateTimeFormat::utcNow()), DBA::escape(DateTimeFormat::utc($nextbd)),
DBA::escape(DateTimeFormat::utc($nextbd . ' + 1 day ')), DBA::escape($bdtext), DBA::escape($bdtext2), DBA::escape('birthday'),
intval(0)
);
// update bdyear
q("UPDATE `contact` SET `bdyear` = '%s', `bd` = '%s' WHERE `uid` = %d AND `id` = %d", DBA::escape(substr($nextbd, 0, 4)),
DBA::escape($nextbd), intval($rr['uid']), intval($rr['id'])
);
}
}
}
/**
* Remove the unavailable contact ids from the provided list
*
* @param array $contact_ids Contact id list
*/
public static function pruneUnavailable(array &$contact_ids)
{
if (empty($contact_ids)) {
return;
}
$str = DBA::escape(implode(',', $contact_ids));
$stmt = DBA::p("SELECT `id` FROM `contact` WHERE `id` IN ( " . $str . ") AND `blocked` = 0 AND `pending` = 0 AND `archive` = 0");
$return = [];
while($contact = DBA::fetch($stmt)) {
$return[] = $contact['id'];
}
DBA::close($stmt);
$contact_ids = $return;
}
/**
* @brief Returns a magic link to authenticate remote visitors
*
* @param string $contact_url The address of the target contact profile
* @param integer $url An url that we will be redirected to after the authentication
*
* @return string with "redir" link
*/
public static function magicLink($contact_url, $url = '')
{
$cid = self::getIdForURL($contact_url, 0, true);
if (empty($cid)) {
return $url ?: $contact_url; // Equivalent to: ($url != '') ? $url : $contact_url;
}
return self::magicLinkbyId($cid, $url);
}
/**
* @brief Returns a magic link to authenticate remote visitors
*
* @param integer $cid The contact id of the target contact profile
* @param integer $url An url that we will be redirected to after the authentication
*
* @return string with "redir" link
*/
public static function magicLinkbyId($cid, $url = '')
{
$contact = DBA::selectFirst('contact', ['id', 'network', 'url', 'uid'], ['id' => $cid]);
return self::magicLinkbyContact($contact, $url);
}
/**
* @brief Returns a magic link to authenticate remote visitors
*
* @param array $contact The contact array with "uid", "network" and "url"
* @param integer $url An url that we will be redirected to after the authentication
*
* @return string with "redir" link
*/
public static function magicLinkbyContact($contact, $url = '')
{
if ($contact['network'] != Protocol::DFRN) {
return $url ?: $contact['url']; // Equivalent to ($url != '') ? $url : $contact['url'];
}
// Only redirections to the same host do make sense
if (($url != '') && (parse_url($url, PHP_URL_HOST) != parse_url($contact['url'], PHP_URL_HOST))) {
return $url;
}
if ($contact['uid'] != 0) {
return self::magicLink($contact['url'], $url);
}
$redirect = 'redir/' . $contact['id'];
if ($url != '') {
$redirect .= '?url=' . $url;
}
return $redirect;
}
}
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