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friendica/src/Model/Contact.php

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<?php
/**
* @file src/Model/Contact.php
*/
namespace Friendica\Model;
use Friendica\BaseObject;
use Friendica\Core\Config;
use Friendica\Core\PConfig;
use Friendica\Core\System;
use Friendica\Core\Worker;
use Friendica\Database\DBM;
use Friendica\Network\Probe;
use Friendica\Model\Photo;
use Friendica\Protocol\Diaspora;
use Friendica\Protocol\DFRN;
use Friendica\Protocol\OStatus;
use Friendica\Protocol\PortableContact;
use Friendica\Protocol\Salmon;
use dba;
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
{
/**
* @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',
$gid,
local_user()
);
if (DBM::is_result($stmt)) {
$return = dba::inArray($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::fetch_first('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(),
NETWORK_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' => $uid]);
if (!DBM::is_result($user)) {
return false;
}
$return = dba::insert('contact', [
'uid' => $user['uid'],
'created' => datetime_convert(),
'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' => datetime_convert(),
'uri-date' => datetime_convert(),
'avatar-date' => datetime_convert(),
'closeness' => 0
]);
return $return;
}
/**
* @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
$r = dba::selectFirst('contact', ['uid'], ['id' => $id, 'self' => false]);
if (!DBM::is_result($r) || !intval($r['uid'])) {
return;
}
$archive = PConfig::get($r['uid'], 'system', 'archive_removed_contacts');
if ($archive) {
dba::update('contact', array('archive' => true, 'network' => 'none', 'writable' => false), array('id' => $id));
return;
}
dba::delete('contact', array('id' => $id));
// Delete the rest 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
* @return void
*/
public static function terminateFriendship(array $user, array $contact)
{
if ($contact['network'] === NETWORK_OSTATUS) {
// create an unfollow slap
$item = array();
$item['verb'] = NAMESPACE_OSTATUS . "/unfollow";
$item['follow'] = $contact["url"];
$slap = OStatus::salmon($item, $user);
if ((x($contact, 'notify')) && (strlen($contact['notify']))) {
Salmon::slapper($user, $contact['notify'], $slap);
}
} elseif ($contact['network'] === NETWORK_DIASPORA) {
Diaspora::sendUnshare($user, $contact);
} elseif ($contact['network'] === NETWORK_DFRN) {
DFRN::deliver($user, $contact, 'placeholder', 1);
}
}
/**
* @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 $contact)
{
// Contact already archived or "self" contact? => nothing to do
if ($contact['archive'] || $contact['self']) {
return;
}
if ($contact['term-date'] <= NULL_DATE) {
dba::update('contact', array('term-date' => datetime_convert()), array('id' => $contact['id']));
if ($contact['url'] != '') {
dba::update('contact', array('term-date' => datetime_convert()), array('`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
$expiry = $contact['term-date'] . ' + 32 days ';
if (datetime_convert() > datetime_convert('UTC', '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', array('archive' => 1), array('id' => $contact['id']));
if ($contact['url'] != '') {
dba::update('contact', array('archive' => 1), array('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 = array('`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;
}
// It's a miracle. Our dead contact has inexplicably come back to life.
$fields = array('term-date' => NULL_DATE, 'archive' => false);
dba::update('contact', $fields, array('id' => $contact['id']));
if ($contact['url'] != '') {
dba::update('contact', $fields, array('nurl' => normalise_link($contact['url'])));
}
}
/**
* @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 $cache = array();
if ($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);
$r = dba::inArray($s);
// Fetch contact data from the contact table for the given user, checking with the alias
if (!DBM::is_result($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);
$r = dba::inArray($s);
}
// Fetch the data from the contact table with "uid=0" (which is filled automatically)
if (!DBM::is_result($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));
$r = dba::inArray($s);
}
// Fetch the data from the contact table with "uid=0" (which is filled automatically) - checked with the alias
if (!DBM::is_result($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);
$r = dba::inArray($s);
}
// Fetch the data from the gcontact table
if (!DBM::is_result($r)) {
$s = dba::p("SELECT 0 AS `id`, 0 AS `cid`, `id` AS `gid`, 0 AS `zid`, 0 AS `uid`, `url`, `nurl`, `alias`, `network`, `name`, `nick`, `addr`, `location`, `about`, '' AS `xmpp`,
`keywords`, `gender`, `photo`, `photo` AS `thumb`, `photo` AS `micro`, `community` AS `forum`, 0 AS `prv`, `community`, `contact-type`, `birthday`, 0 AS `self`
FROM `gcontact` WHERE `nurl` = ?", normalise_link($url));
$r = dba::inArray($s);
}
if (DBM::is_result($r)) {
// If there is more than one entry we filter out the connector networks
if (count($r) > 1) {
foreach ($r as $id => $result) {
if ($result["network"] == NETWORK_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 = $default;
}
if (($profile["photo"] == "") && isset($default["photo"])) {
$profile["photo"] = $default["photo"];
}
if (($profile["name"] == "") && isset($default["name"])) {
$profile["name"] = $default["name"];
}
if (($profile["network"] == "") && isset($default["network"])) {
$profile["network"] = $default["network"];
}
if (($profile["thumb"] == "") && isset($profile["photo"])) {
$profile["thumb"] = $profile["photo"];
}
if (($profile["micro"] == "") && isset($profile["thumb"])) {
$profile["micro"] = $profile["thumb"];
}
if ((($profile["addr"] == "") || ($profile["name"] == "")) && ($profile["gid"] != 0)
&& in_array($profile["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS))
) {
Worker::add(PRIORITY_LOW, "UpdateGContact", $profile["gid"]);
}
// Show contact details of Diaspora contacts only if connected
if (($profile["cid"] == 0) && ($profile["network"] == NETWORK_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 $cache = array();
if ($addr == '') {
return array();
}
if ($uid == -1) {
$uid = local_user();
}
// Fetch contact data from the contact table for the given user
$r = q("SELECT `id`, `id` AS `cid`, 0 AS `gid`, 0 AS `zid`, `uid`, `url`, `nurl`, `alias`, `network`, `name`, `nick`, `addr`, `location`, `about`, `xmpp`,
`keywords`, `gender`, `photo`, `thumb`, `micro`, `forum`, `prv`, (`forum` | `prv`) AS `community`, `contact-type`, `bd` AS `birthday`, `self`
FROM `contact` WHERE `addr` = '%s' AND `uid` = %d", dbesc($addr), intval($uid));
// Fetch the data from the contact table with "uid=0" (which is filled automatically)
if (!DBM::is_result($r))
$r = q("SELECT `id`, 0 AS `cid`, `id` AS `zid`, 0 AS `gid`, `uid`, `url`, `nurl`, `alias`, `network`, `name`, `nick`, `addr`, `location`, `about`, `xmpp`,
`keywords`, `gender`, `photo`, `thumb`, `micro`, `forum`, `prv`, (`forum` | `prv`) AS `community`, `contact-type`, `bd` AS `birthday`, 0 AS `self`
FROM `contact` WHERE `addr` = '%s' AND `uid` = 0", dbesc($addr));
// Fetch the data from the gcontact table
if (!DBM::is_result($r))
$r = q("SELECT 0 AS `id`, 0 AS `cid`, `id` AS `gid`, 0 AS `zid`, 0 AS `uid`, `url`, `nurl`, `alias`, `network`, `name`, `nick`, `addr`, `location`, `about`, '' AS `xmpp`,
`keywords`, `gender`, `photo`, `photo` AS `thumb`, `photo` AS `micro`, `community` AS `forum`, 0 AS `prv`, `community`, `contact-type`, `birthday`, 0 AS `self`
FROM `gcontact` WHERE `addr` = '%s'", dbesc($addr));
if (!DBM::is_result($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) {
$uid = local_user();
}
if ($contact['uid'] != $uid) {
if ($uid == 0) {
$profile_link = zrl($contact['url']);
$menu = array('profile' => array(t('View Profile'), $profile_link, true));
return $menu;
}
$r = dba::selectFirst('contact', [], ['nurl' => $contact['nurl'], 'network' => $contact['network'], 'uid' => $uid]);
if ($r) {
return self::photoMenu($r, $uid);
} else {
$profile_link = zrl($contact['url']);
$connlnk = 'follow/?url=' . $contact['url'];
$menu = array(
'profile' => array(t('View Profile'), $profile_link, true),
'follow' => array(t('Connect/Follow'), $connlnk, true)
);
return $menu;
}
}
$sparkle = false;
if ($contact['network'] === NETWORK_DFRN) {
$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'], array(NETWORK_DFRN, NETWORK_DIASPORA))) {
$pm_url = System::baseUrl() . '/message/new/' . $contact['id'];
}
if ($contact['network'] == NETWORK_DFRN) {
$poke_link = System::baseUrl() . '/poke/?f=&c=' . $contact['id'];
}
$contact_url = System::baseUrl() . '/contacts/' . $contact['id'];
$posts_link = System::baseUrl() . '/contacts/' . $contact['id'] . '/posts';
$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? ]
*/
$menu = array(
'status' => array(t("View Status"), $status_link, true),
'profile' => array(t("View Profile"), $profile_link, true),
'photos' => array(t("View Photos"), $photos_link, true),
'network' => array(t("Network Posts"), $posts_link, false),
'edit' => array(t("View Contact"), $contact_url, false),
'drop' => array(t("Drop Contact"), $contact_drop_link, false),
'pm' => array(t("Send PM"), $pm_url, false),
'poke' => array(t("Poke"), $poke_link, false),
);
$args = array('contact' => $contact, 'menu' => &$menu);
call_hooks('contact_photo_menu', $args);
$menucondensed = array();
foreach ($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, $start = 0, $count = 0)
{
if (!$count) {
$r = q(
"SELECT COUNT(*) AS `total`
FROM `contact`
WHERE `uid` = %d
AND NOT `self`
AND NOT `blocked`
AND NOT `pending`
AND `id` NOT IN (
SELECT DISTINCT(`contact-id`)
FROM `group_member`
WHERE `uid` = %d
)", intval($uid), intval($uid)
);
return $r;
}
$r = q(
"SELECT *
FROM `contact`
WHERE `uid` = %d
AND NOT `self`
AND NOT `blocked`
AND NOT `pending`
AND `id` NOT IN (
SELECT DISTINCT(`contact-id`)
FROM `group_member`
INNER JOIN `group` ON `group`.`id` = `group_member`.`gid`
WHERE `group`.`uid` = %d
)
LIMIT %d, %d", intval($uid), intval($uid), intval($start), intval($count)
);
return $r;
}
/**
* @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 wether 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 $no_update Don't update the contact
*
* @return integer Contact ID
*/
public static function getIdForURL($url, $uid = 0, $no_update = false)
{
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
$contact = dba::selectFirst('contact', ['id', 'avatar-date'], ['nurl' => normalise_link($url), 'uid' => $uid]);
// Then the addr (nick@server.tld)
if (!DBM::is_result($contact)) {
$contact = dba::selectFirst('contact', ['id', 'avatar-date'], ['addr' => $url, 'uid' => $uid]);
}
// Then the alias (which could be anything)
if (!DBM::is_result($contact)) {
// The link could be provided as http although we stored it as https
$ssl_url = str_replace('http://', 'https://', $url);
$r = dba::selectFirst('contact', ['id', 'avatar', 'avatar-date'], ['`alias` IN (?, ?, ?) AND `uid` = ?', $url, normalise_link($url), $ssl_url, $uid]);
$contact = dba::fetch($r);
dba::close($r);
}
if (DBM::is_result($contact)) {
$contact_id = $contact["id"];
// Update the contact every 7 days
$update_contact = ($contact['avatar-date'] < datetime_convert('', '', '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;
}
$data = Probe::uri($url, "", $uid);
// Last try in gcontact for unsupported networks
if (!in_array($data["network"], array(NETWORK_DFRN, NETWORK_OSTATUS, NETWORK_DIASPORA, NETWORK_PUMPIO, NETWORK_MAIL))) {
if ($uid != 0) {
return 0;
}
// Get data from the gcontact table
$gcontacts = dba::selectFirst('gcontact', ['name', 'nick', 'url', 'photo', 'addr', 'alias', 'network'], ['nurl' => normalise_link($url)]);
if (!DBM::is_result($gcontacts)) {
return 0;
}
$data = array_merge($data, $gcontacts);
}
if (!$contact_id && ($data["alias"] != '') && ($data["alias"] != $url)) {
$contact_id = self::getIdForURL($data["alias"], $uid, true);
}
$url = $data["url"];
if (!$contact_id) {
dba::insert(
'contact', array('uid' => $uid, 'created' => datetime_convert(), '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' => CONTACT_IS_SHARING, 'priority' => $data["priority"],
'batch' => $data["batch"], 'request' => $data["request"],
'confirm' => $data["confirm"], 'poco' => $data["poco"],
'name-date' => datetime_convert(), 'uri-date' => datetime_convert(),
'avatar-date' => datetime_convert(), 'writable' => 1, 'blocked' => 0,
'readonly' => 0, 'pending' => 0)
);
$s = dba::select('contact', array('id'), array('nurl' => normalise_link($data["url"]), 'uid' => $uid), array('order' => array('id'), 'limit' => 2));
$contacts = dba::inArray($s);
if (!DBM::is_result($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 (DBM::is_result($gcontact)) {
// Only use the information when the probing hadn't fetched these values
if ($data['keywords'] != '') {
unset($gcontact['keywords']);
}
if ($data['location'] != '') {
unset($gcontact['location']);
}
if ($data['about'] != '') {
unset($gcontact['about']);
}
dba::update('contact', $gcontact, array('id' => $contact_id));
}
if (count($contacts) > 1 && $uid == 0 && $contact_id != 0 && $data["url"] != "") {
dba::delete('contact', array("`nurl` = ? AND `uid` = 0 AND `id` != ? AND NOT `self`",
normalise_link($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' => $contact_id]);
// This condition should always be true
if (!DBM::is_result($contact)) {
return $contact_id;
}
$updated = array('addr' => $data['addr'],
'alias' => $data['alias'],
'url' => $data['url'],
'nurl' => normalise_link($data['url']),
'name' => $data['name'],
'nick' => $data['nick']);
// Only fill the pubkey if it was empty before. We have to prevent identity theft.
if (!empty($contact['pubkey'])) {
unset($contact['pubkey']);
} else {
$updated['pubkey'] = $data['pubkey'];
}
if ($data['keywords'] != '') {
$updated['keywords'] = $data['keywords'];
}
if ($data['location'] != '') {
$updated['location'] = $data['location'];
}
if ($data['about'] != '') {
$updated['about'] = $data['about'];
}
if (($data["addr"] != $contact["addr"]) || ($data["alias"] != $contact["alias"])) {
$updated['uri-date'] = datetime_convert();
}
if (($data["name"] != $contact["name"]) || ($data["nick"] != $contact["nick"])) {
$updated['name-date'] = datetime_convert();
}
$updated['avatar-date'] = datetime_convert();
dba::update('contact', $updated, array('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' => $cid]);
if (!DBM::is_result($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' => $cid]);
if (!DBM::is_result($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)
{
$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
$r = q("SELECT `network`, `id` AS `author-id`, `contact-type` FROM `contact`
WHERE `contact`.`nurl` = '%s' AND `contact`.`uid` = 0", dbesc(normalise_link($contact_url)));
if (!DBM::is_result($r)) {
return '';
}
if (in_array($r[0]["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""))) {
$sql = "(`item`.`uid` = 0 OR (`item`.`uid` = %d AND NOT `item`.`global`))";
} else {
$sql = "`item`.`uid` = %d";
}
$author_id = intval($r[0]["author-id"]);
$contact = ($r[0]["contact-type"] == ACCOUNT_TYPE_COMMUNITY ? 'owner-id' : 'author-id');
$r = q(item_query() . " AND `item`.`" . $contact . "` = %d AND " . $sql .
" AND `item`.`verb` = '%s' ORDER BY `item`.`created` DESC LIMIT %d, %d",
intval($author_id), intval(local_user()), dbesc(ACTIVITY_POST),
intval($a->pager['start']), intval($a->pager['itemspage'])
);
$o = conversation($a, $r, 'contact-posts', false);
$o .= alt_pager($a, count($r));
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 $contact)
{
// There are several fields that indicate that the contact or user is a forum
// "page-flags" is a field in the user table,
// "forum" and "prv" are used in the contact table. They stand for PAGE_COMMUNITY and PAGE_PRVGROUP.
// "community" is used in the gcontact table and is true if the contact is PAGE_COMMUNITY or PAGE_PRVGROUP.
if ((isset($contact['page-flags']) && (intval($contact['page-flags']) == PAGE_COMMUNITY))
|| (isset($contact['page-flags']) && (intval($contact['page-flags']) == PAGE_PRVGROUP))
|| (isset($contact['forum']) && intval($contact['forum']))
|| (isset($contact['prv']) && intval($contact['prv']))
|| (isset($contact['community']) && intval($contact['community']))
) {
$type = ACCOUNT_TYPE_COMMUNITY;
} else {
$type = ACCOUNT_TYPE_PERSON;
}
// The "contact-type" (contact table) and "account-type" (user table) are more general then the chaos from above.
if (isset($contact["contact-type"])) {
$type = $contact["contact-type"];
}
if (isset($contact["account-type"])) {
$type = $contact["account-type"];
}
switch ($type) {
case ACCOUNT_TYPE_ORGANISATION:
$account_type = t("Organisation");
break;
case ACCOUNT_TYPE_NEWS:
$account_type = t('News');
break;
case ACCOUNT_TYPE_COMMUNITY:
$account_type = 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)
{
// Limit = 1 returns the row so no need for dba:inArray()
$r = dba::selectFirst('contact', ['avatar', 'photo', 'thumb', 'micro', 'nurl'], ['id' => $cid]);
if (!DBM::is_result($r)) {
return false;
} else {
$data = array($r["photo"], $r["thumb"], $r["micro"]);
}
if (($r["avatar"] != $avatar) || $force) {
$photos = Photo::importProfilePhoto($avatar, $uid, $cid, true);
if ($photos) {
dba::update(
'contact',
array('avatar' => $avatar, 'photo' => $photos[0], 'thumb' => $photos[1], 'micro' => $photos[2], 'avatar-date' => datetime_convert()),
array('id' => $cid)
);
// Update the public contact (contact id = 0)
if ($uid != 0) {
$pcontact = dba::selectFirst('contact', ['id'], ['nurl' => $r[0]['nurl']]);
if (DBM::is_result($pcontact)) {
self::updateAvatar($avatar, 0, $pcontact['id'], $force);
}
}
return $photos;
}
}
return $data;
}
/**
* @param integer $id contact id
* @return boolean
*/
public static function updateFromProbe($id)
{
/*
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.
*/
$r = dba::selectFirst('contact', ['url', 'nurl', 'addr', 'alias', 'batch', 'notify', 'poll', 'poco', 'network'], ['id' => $id]);
if (!DBM::is_result($r)) {
return false;
}
$ret = Probe::uri($r["url"]);
// If Probe::uri fails the network code will be different
if ($ret["network"] != $r["network"]) {
return false;
}
$update = false;
// make sure to not overwrite existing values with blank entries
foreach ($ret as $key => $val) {
if (isset($r[$key]) && ($r[$key] != "") && ($val == ""))
$ret[$key] = $r[$key];
if (isset($r[$key]) && ($ret[$key] != $r[$key]))
$update = true;
}
if (!$update) {
return true;
}
dba::update(
'contact',
[
'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']
],
['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 = array('cid' => -1, 'success' => false, 'message' => '');
$a = get_app();
// remove ajax junk, e.g. Twitter
$url = str_replace('/#!/', '/', $url);
if (!allowed_url($url)) {
$result['message'] = t('Disallowed profile URL.');
return $result;
}
if (blocked_url($url)) {
$result['message'] = t('Blocked domain');
return $result;
}
if (!$url) {
$result['message'] = t('Connect URL missing.');
return $result;
}
$arr = array('url' => $url, 'contact' => array());
call_hooks('follow', $arr);
if (x($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 ' . $ret['network']);
return result;
}
if ($ret['network'] === NETWORK_DFRN) {
if ($interactive) {
if (strlen($a->path)) {
$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')) {
$result['message'] = t('This site is not configured to allow communications with other networks.') . EOL;
$result['message'] != t('No compatible communication protocols or feeds were discovered.') . EOL;
return $result;
}
// This extra param just confuses things, remove it
if ($ret['network'] === NETWORK_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'))))) {
$result['message'] .= t('The profile address specified does not provide adequate information.') . EOL;
if (!x($ret, 'poll')) {
$result['message'] .= t('No compatible communication protocols or feeds were discovered.') . EOL;
}
if (!x($ret, 'name')) {
$result['message'] .= t('An author or name was not found.') . EOL;
}
if (!x($ret, 'url')) {
$result['message'] .= t('No browser URL could be matched to this address.') . EOL;
}
if (strpos($url, '@') !== false) {
$result['message'] .= t('Unable to match @-style Identity Address with a known protocol or email contact.') . EOL;
$result['message'] .= t('Use mailto: in front of address to force email check.') . EOL;
}
return $result;
}
if ($ret['network'] === NETWORK_OSTATUS && Config::get('system', 'ostatus_disabled')) {
$result['message'] .= t('The profile address specified belongs to a network which has been disabled on this site.') . EOL;
$ret['notify'] = '';
}
if (!$ret['notify']) {
$result['message'] .= t('Limited profile. This person will be unable to receive direct/personal notifications from you.') . EOL;
}
$writeable = ((($ret['network'] === NETWORK_OSTATUS) && ($ret['notify'])) ? 1 : 0);
$subhub = (($ret['network'] === NETWORK_OSTATUS) ? true : false);
$hidden = (($ret['network'] === NETWORK_MAIL) ? 1 : 0);
if (in_array($ret['network'], array(NETWORK_MAIL, NETWORK_DIASPORA))) {
$writeable = 1;
}
// 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
$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `poll` IN ('%s', '%s') AND `network` = '%s' LIMIT 1",
intval($uid),
dbesc($ret['poll']),
dbesc(normalise_link($ret['poll'])),
dbesc($ret['network'])
);
if (!DBM::is_result($r)) {
$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `nurl` = '%s' AND `network` = '%s' LIMIT 1",
intval($uid), dbesc(normalise_link($url)), dbesc($ret['network'])
);
}
if (DBM::is_result($r)) {
// update contact
$new_relation = (($r[0]['rel'] == CONTACT_IS_FOLLOWER) ? CONTACT_IS_FRIEND : CONTACT_IS_SHARING);
$fields = array('rel' => $new_relation, 'subhub' => $subhub, 'readonly' => false);
dba::update('contact', $fields, array('id' => $r[0]['id']));
} else {
$new_relation = ((in_array($ret['network'], array(NETWORK_MAIL))) ? CONTACT_IS_FRIEND : CONTACT_IS_SHARING);
// create contact record
dba::insert(
'contact',
[
'uid' => $uid,
'created' => datetime_convert(),
'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
]
);
}
$r = dba::selectFirst('contact', ['url' => $ret['url'], 'network' => $ret['network'], 'uid' => $uid]);
if (!DBM::is_result($r)) {
$result['message'] .= t('Unable to retrieve contact information.') . EOL;
return $result;
}
$contact = $r;
$contact_id = $r['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");
$r = q("SELECT `contact`.*, `user`.* FROM `contact` INNER JOIN `user` ON `contact`.`uid` = `user`.`uid`
WHERE `user`.`uid` = %d AND `contact`.`self` LIMIT 1",
intval($uid)
);
if (DBM::is_result($r)) {
if (($contact['network'] == NETWORK_OSTATUS) && (strlen($contact['notify']))) {
// create a follow slap
$item = array();
$item['verb'] = ACTIVITY_FOLLOW;
$item['follow'] = $contact["url"];
$slap = OStatus::salmon($item, $r[0]);
Salmon::slapper($r[0], $contact['notify'], $slap);
}
if ($contact['network'] == NETWORK_DIASPORA) {
$ret = Diaspora::sendShare($a->user, $contact);
logger('share returns: ' . $ret);
}
}
$result['success'] = true;
return $result;
}
}
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