friendica/src/Core/Authentication.php

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<?php
/**
* @file /src/Core/Authentication.php
*/
namespace Friendica\Core;
use Friendica\BaseObject;
use Friendica\Database\DBA;
use Friendica\Model\User;
use Friendica\Util\DateTimeFormat;
/**
* Handle Authentification, Session and Cookies
*/
class Authentication extends BaseObject
{
/**
* @brief Calculate the hash that is needed for the "Friendica" cookie
*
* @param array $user Record from "user" table
*
* @return string Hashed data
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
public static function getCookieHashForUser($user)
{
return(hash("sha256", Config::get("system", "site_prvkey") .
$user["prvkey"] .
$user["password"]));
}
/**
* @brief Set the "Friendica" cookie
*
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* @param int $time
* @param array $user Record from "user" table
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
public static function setCookie($time, $user = [])
{
if ($time != 0) {
$time = $time + time();
}
if ($user) {
$value = json_encode(["uid" => $user["uid"],
"hash" => self::getCookieHashForUser($user),
"ip" => defaults($_SERVER, 'REMOTE_ADDR', '0.0.0.0')]);
} else {
$value = "";
}
setcookie("Friendica", $value, $time, "/", "", (Config::get('system', 'ssl_policy') == SSL_POLICY_FULL), true);
}
/**
* @brief Sets the provided user's authenticated session
*
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* @todo Should be moved to Friendica\Core\Session once it's created
*
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* @param array $user_record
* @param bool $login_initial
* @param bool $interactive
* @param bool $login_refresh
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
public static function setAuthenticatedSessionForUser($user_record, $login_initial = false, $interactive = false, $login_refresh = false)
{
$a = self::getApp();
$_SESSION['uid'] = $user_record['uid'];
$_SESSION['theme'] = $user_record['theme'];
$_SESSION['mobile-theme'] = PConfig::get($user_record['uid'], 'system', 'mobile_theme');
$_SESSION['authenticated'] = 1;
$_SESSION['page_flags'] = $user_record['page-flags'];
$_SESSION['my_url'] = $a->getbaseUrl() . '/profile/' . $user_record['nickname'];
$_SESSION['my_address'] = $user_record['nickname'] . '@' . substr($a->getbaseUrl(), strpos($a->getbaseUrl(), '://') + 3);
$_SESSION['addr'] = defaults($_SERVER, 'REMOTE_ADDR', '0.0.0.0');
$a->user = $user_record;
if ($interactive) {
if ($a->user['login_date'] <= DBA::NULL_DATETIME) {
$_SESSION['return_path'] = 'profile_photo/new';
$a->module = 'profile_photo';
info(L10n::t("Welcome ") . $a->user['username'] . EOL);
info(L10n::t('Please upload a profile photo.') . EOL);
} else {
info(L10n::t("Welcome back ") . $a->user['username'] . EOL);
}
}
$member_since = strtotime($a->user['register_date']);
if (time() < ($member_since + ( 60 * 60 * 24 * 14))) {
$_SESSION['new_member'] = true;
} else {
$_SESSION['new_member'] = false;
}
if (strlen($a->user['timezone'])) {
date_default_timezone_set($a->user['timezone']);
$a->timezone = $a->user['timezone'];
}
$masterUid = $user_record['uid'];
if (!empty($_SESSION['submanage'])) {
$user = DBA::selectFirst('user', ['uid'], ['uid' => $_SESSION['submanage']]);
if (DBA::isResult($user)) {
$masterUid = $user['uid'];
}
}
$a->identities = User::identities($masterUid);
if ($login_initial) {
Logger::log('auth_identities: ' . print_r($a->identities, true), Logger::DEBUG);
}
if ($login_refresh) {
Logger::log('auth_identities refresh: ' . print_r($a->identities, true), Logger::DEBUG);
}
$contact = DBA::selectFirst('contact', [], ['uid' => $_SESSION['uid'], 'self' => true]);
if (DBA::isResult($contact)) {
$a->contact = $contact;
$a->cid = $contact['id'];
$_SESSION['cid'] = $a->cid;
}
header('X-Account-Management-Status: active; name="' . $a->user['username'] . '"; id="' . $a->user['nickname'] . '"');
if ($login_initial || $login_refresh) {
DBA::update('user', ['login_date' => DateTimeFormat::utcNow()], ['uid' => $_SESSION['uid']]);
// Set the login date for all identities of the user
DBA::update('user', ['login_date' => DateTimeFormat::utcNow()],
['parent-uid' => $masterUid, 'account_removed' => false]);
}
if ($login_initial) {
/*
* If the user specified to remember the authentication, then set a cookie
* that expires after one week (the default is when the browser is closed).
* The cookie will be renewed automatically.
* The week ensures that sessions will expire after some inactivity.
*/
if (!empty($_SESSION['remember'])) {
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Logger::log('Injecting cookie for remembered user ' . $a->user['nickname']);
self::setCookie(604800, $user_record);
unset($_SESSION['remember']);
}
}
if ($login_initial) {
Hook::callAll('logged_in', $a->user);
if (($a->module !== 'home') && isset($_SESSION['return_path'])) {
$a->internalRedirect($_SESSION['return_path']);
}
}
}
/**
* @brief Kills the "Friendica" cookie and all session data
*/
public static function deleteSession()
{
self::setCookie(-3600); // make sure cookie is deleted on browser close, as a security measure
session_unset();
session_destroy();
}
}