src/Core/Authentication.php

   1 <?php
   2 /**
   3  * @file /src/Core/Authentication.php
   4  */
   5
   6 namespace Friendica\Core;
   7
   8 use Friendica\BaseObject;
   9 use Friendica\Database\DBA;
  10 use Friendica\Model\User;
  11 use Friendica\Util\BaseURL;
  12 use Friendica\Util\DateTimeFormat;
  13
  14 /**
  15 * Handle Authentification, Session and Cookies
  16 */
  17 class Authentication extends BaseObject
  18 {
  19         /**
  20          * @brief Calculate the hash that is needed for the "Friendica" cookie
  21          *
  22          * @param array $user Record from "user" table
  23          *
  24          * @return string Hashed data
  25          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
  26          */
  27         public static function getCookieHashForUser($user)
  28         {
  29                 return(hash("sha256", Config::get("system", "site_prvkey") .
  30                                 $user["prvkey"] .
  31                                 $user["password"]));
  32         }
  33
  34         /**
  35          * @brief Set the "Friendica" cookie
  36          *
  37          * @param int   $time
  38          * @param array $user Record from "user" table
  39          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
  40          */
  41         public static  function setCookie($time, $user = [])
  42         {
  43                 if ($time != 0) {
  44                         $time = $time + time();
  45                 }
  46
  47                 if ($user) {
  48                         $value = json_encode(["uid" => $user["uid"],
  49                                 "hash" => self::getCookieHashForUser($user),
  50                                 "ip" => defaults($_SERVER, 'REMOTE_ADDR', '0.0.0.0')]);
  51                 } else {
  52                         $value = "";
  53                 }
  54
  55                 setcookie("Friendica", $value, $time, "/", "", (Config::get('system', 'ssl_policy') == BaseUrl::SSL_POLICY_FULL), true);
  56         }
  57
  58         /**
  59          * @brief Sets the provided user's authenticated session
  60          *
  61          * @todo  Should be moved to Friendica\Core\Session once it's created
  62          *
  63          * @param array $user_record
  64          * @param bool  $login_initial
  65          * @param bool  $interactive
  66          * @param bool  $login_refresh
  67          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
  68          */
  69         public static function setAuthenticatedSessionForUser($user_record, $login_initial = false, $interactive = false, $login_refresh = false)
  70         {
  71                 $a = self::getApp();
  72
  73                 $_SESSION['uid'] = $user_record['uid'];
  74                 $_SESSION['theme'] = $user_record['theme'];
  75                 $_SESSION['mobile-theme'] = PConfig::get($user_record['uid'], 'system', 'mobile_theme');
  76                 $_SESSION['authenticated'] = 1;
  77                 $_SESSION['page_flags'] = $user_record['page-flags'];
  78                 $_SESSION['my_url'] = $a->getbaseUrl() . '/profile/' . $user_record['nickname'];
  79                 $_SESSION['my_address'] = $user_record['nickname'] . '@' . substr($a->getbaseUrl(), strpos($a->getbaseUrl(), '://') + 3);
  80                 $_SESSION['addr'] = defaults($_SERVER, 'REMOTE_ADDR', '0.0.0.0');
  81
  82                 $a->user = $user_record;
  83
  84                 if ($interactive) {
  85                         if ($a->user['login_date'] <= DBA::NULL_DATETIME) {
  86                                 $_SESSION['return_path'] = 'profile_photo/new';
  87                                 $a->module = 'profile_photo';
  88                                 info(L10n::t("Welcome ") . $a->user['username'] . EOL);
  89                                 info(L10n::t('Please upload a profile photo.') . EOL);
  90                         } else {
  91                                 info(L10n::t("Welcome back ") . $a->user['username'] . EOL);
  92                         }
  93                 }
  94
  95                 $member_since = strtotime($a->user['register_date']);
  96                 if (time() < ($member_since + ( 60 * 60 * 24 * 14))) {
  97                         $_SESSION['new_member'] = true;
  98                 } else {
  99                         $_SESSION['new_member'] = false;
 100                 }
 101                 if (strlen($a->user['timezone'])) {
 102                         date_default_timezone_set($a->user['timezone']);
 103                         $a->timezone = $a->user['timezone'];
 104                 }
 105
 106                 $masterUid = $user_record['uid'];
 107
 108                 if (!empty($_SESSION['submanage'])) {
 109                         $user = DBA::selectFirst('user', ['uid'], ['uid' => $_SESSION['submanage']]);
 110                         if (DBA::isResult($user)) {
 111                                 $masterUid = $user['uid'];
 112                         }
 113                 }
 114
 115                 $a->identities = User::identities($masterUid);
 116
 117                 if ($login_initial) {
 118                         Logger::log('auth_identities: ' . print_r($a->identities, true), Logger::DEBUG);
 119                 }
 120                 if ($login_refresh) {
 121                         Logger::log('auth_identities refresh: ' . print_r($a->identities, true), Logger::DEBUG);
 122                 }
 123
 124                 $contact = DBA::selectFirst('contact', [], ['uid' => $_SESSION['uid'], 'self' => true]);
 125                 if (DBA::isResult($contact)) {
 126                         $a->contact = $contact;
 127                         $a->cid = $contact['id'];
 128                         $_SESSION['cid'] = $a->cid;
 129                 }
 130
 131                 header('X-Account-Management-Status: active; name="' . $a->user['username'] . '"; id="' . $a->user['nickname'] . '"');
 132
 133                 if ($login_initial || $login_refresh) {
 134                         DBA::update('user', ['login_date' => DateTimeFormat::utcNow()], ['uid' => $_SESSION['uid']]);
 135
 136                         // Set the login date for all identities of the user
 137                         DBA::update('user', ['login_date' => DateTimeFormat::utcNow()],
 138                                 ['parent-uid' => $masterUid, 'account_removed' => false]);
 139                 }
 140
 141                 if ($login_initial) {
 142                         /*
 143                          * If the user specified to remember the authentication, then set a cookie
 144                          * that expires after one week (the default is when the browser is closed).
 145                          * The cookie will be renewed automatically.
 146                          * The week ensures that sessions will expire after some inactivity.
 147                          */
 148                         if (!empty($_SESSION['remember'])) {
 149                                 Logger::log('Injecting cookie for remembered user ' . $a->user['nickname']);
 150                                 self::setCookie(604800, $user_record);
 151                                 unset($_SESSION['remember']);
 152                         }
 153                 }
 154
 155                 if ($login_initial) {
 156                         Hook::callAll('logged_in', $a->user);
 157
 158                         if (($a->module !== 'home') && isset($_SESSION['return_path'])) {
 159                                 $a->internalRedirect($_SESSION['return_path']);
 160                         }
 161                 }
 162         }
 163
 164         /**
 165          * @brief Kills the "Friendica" cookie and all session data
 166          */
 167         public static function deleteSession()
 168         {
 169                 self::setCookie(-3600); // make sure cookie is deleted on browser close, as a security measure
 170                 session_unset();
 171                 session_destroy();
 172         }
 173 }
 174