src/Core/Session.php

   1 <?php
   2
   3 /**
   4  * @file src/Core/Session.php
   5  */
   6 namespace Friendica\Core;
   7
   8 use Friendica\App;
   9 use Friendica\Core\Session\CacheSessionHandler;
  10 use Friendica\Core\Session\DatabaseSessionHandler;
  11 use Friendica\Database\DBA;
  12 use Friendica\Model\Contact;
  13 use Friendica\Model\User;
  14 use Friendica\Util\BaseURL;
  15 use Friendica\Util\DateTimeFormat;
  16
  17 /**
  18  * High-level Session service class
  19  *
  20  * @author Hypolite Petovan <hypolite@mrpetovan.com>
  21  */
  22 class Session
  23 {
  24         public static $exists = false;
  25         public static $expire = 180000;
  26
  27         public static function init()
  28         {
  29                 ini_set('session.gc_probability', 50);
  30                 ini_set('session.use_only_cookies', 1);
  31                 ini_set('session.cookie_httponly', 1);
  32
  33                 if (Config::get('system', 'ssl_policy') == BaseURL::SSL_POLICY_FULL) {
  34                         ini_set('session.cookie_secure', 1);
  35                 }
  36
  37                 $session_handler = Config::get('system', 'session_handler', 'database');
  38                 if ($session_handler != 'native') {
  39                         if ($session_handler == 'cache' && Config::get('system', 'cache_driver', 'database') != 'database') {
  40                                 $SessionHandler = new CacheSessionHandler();
  41                         } else {
  42                                 $SessionHandler = new DatabaseSessionHandler();
  43                         }
  44
  45                         session_set_save_handler($SessionHandler);
  46                 }
  47         }
  48
  49         public static function exists($name)
  50         {
  51                 return isset($_SESSION[$name]);
  52         }
  53
  54         /**
  55          * Retrieves a key from the session super global or the defaults if the key is missing or the value is falsy.
  56          *
  57          * Handle the case where session_start() hasn't been called and the super global isn't available.
  58          *
  59          * @param string $name
  60          * @param mixed $defaults
  61          * @return mixed
  62          */
  63         public static function get($name, $defaults = null)
  64         {
  65                 if (isset($_SESSION)) {
  66                         $return = defaults($_SESSION, $name, $defaults);
  67                 } else {
  68                         $return = $defaults;
  69                 }
  70
  71                 return $return;
  72         }
  73
  74         /**
  75          * Sets a single session variable.
  76          * Overrides value of existing key.
  77          *
  78          * @param string $name
  79          * @param mixed $value
  80          */
  81         public static function set($name, $value)
  82         {
  83                 $_SESSION[$name] = $value;
  84         }
  85
  86         /**
  87          * Sets multiple session variables.
  88          * Overrides values for existing keys.
  89          *
  90          * @param array $values
  91          */
  92         public static function setMultiple(array $values)
  93         {
  94                 $_SESSION = $values + $_SESSION;
  95         }
  96
  97         /**
  98          * Removes a session variable.
  99          * Ignores missing keys.
 100          *
 101          * @param $name
 102          */
 103         public static function remove($name)
 104         {
 105                 unset($_SESSION[$name]);
 106         }
 107
 108         /**
 109          * @brief Sets the provided user's authenticated session
 110          *
 111          * @param App   $a
 112          * @param array $user_record
 113          * @param bool  $login_initial
 114          * @param bool  $interactive
 115          * @param bool  $login_refresh
 116          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 117          */
 118         public static function setAuthenticatedForUser(App $a, array $user_record, $login_initial = false, $interactive = false, $login_refresh = false)
 119         {
 120                 self::setMultiple([
 121                         'uid'           => $user_record['uid'],
 122                         'theme'         => $user_record['theme'],
 123                         'mobile-theme'  => PConfig::get($user_record['uid'], 'system', 'mobile_theme'),
 124                         'authenticated' => 1,
 125                         'page_flags'    => $user_record['page-flags'],
 126                         'my_url'        => $a->getBaseURL() . '/profile/' . $user_record['nickname'],
 127                         'my_address'    => $user_record['nickname'] . '@' . substr($a->getBaseURL(), strpos($a->getBaseURL(), '://') + 3),
 128                         'addr'          => defaults($_SERVER, 'REMOTE_ADDR', '0.0.0.0'),
 129                 ]);
 130
 131                 $member_since = strtotime($user_record['register_date']);
 132                 self::set('new_member', time() < ($member_since + ( 60 * 60 * 24 * 14)));
 133
 134                 if (strlen($user_record['timezone'])) {
 135                         date_default_timezone_set($user_record['timezone']);
 136                         $a->timezone = $user_record['timezone'];
 137                 }
 138
 139                 $masterUid = $user_record['uid'];
 140
 141                 if (self::get('submanage')) {
 142                         $user = DBA::selectFirst('user', ['uid'], ['uid' => self::get('submanage')]);
 143                         if (DBA::isResult($user)) {
 144                                 $masterUid = $user['uid'];
 145                         }
 146                 }
 147
 148                 $a->identities = User::identities($masterUid);
 149
 150                 if ($login_initial) {
 151                         $a->getLogger()->info('auth_identities: ' . print_r($a->identities, true));
 152                 }
 153
 154                 if ($login_refresh) {
 155                         $a->getLogger()->info('auth_identities refresh: ' . print_r($a->identities, true));
 156                 }
 157
 158                 $contact = DBA::selectFirst('contact', [], ['uid' => $user_record['uid'], 'self' => true]);
 159                 if (DBA::isResult($contact)) {
 160                         $a->contact = $contact;
 161                         $a->cid = $contact['id'];
 162                         self::set('cid', $a->cid);
 163                 }
 164
 165                 header('X-Account-Management-Status: active; name="' . $user_record['username'] . '"; id="' . $user_record['nickname'] . '"');
 166
 167                 if ($login_initial || $login_refresh) {
 168                         DBA::update('user', ['login_date' => DateTimeFormat::utcNow()], ['uid' => $user_record['uid']]);
 169
 170                         // Set the login date for all identities of the user
 171                         DBA::update('user', ['login_date' => DateTimeFormat::utcNow()],
 172                                 ['parent-uid' => $masterUid, 'account_removed' => false]);
 173                 }
 174
 175                 if ($login_initial) {
 176                         /*
 177                          * If the user specified to remember the authentication, then set a cookie
 178                          * that expires after one week (the default is when the browser is closed).
 179                          * The cookie will be renewed automatically.
 180                          * The week ensures that sessions will expire after some inactivity.
 181                          */
 182                         ;
 183                         if (self::get('remember')) {
 184                                 $a->getLogger()->info('Injecting cookie for remembered user ' . $user_record['nickname']);
 185                                 Authentication::setCookie(604800, $user_record);
 186                                 self::remove('remember');
 187                         }
 188                 }
 189
 190                 Authentication::twoFactorCheck($user_record['uid'], $a);
 191
 192                 if ($interactive) {
 193                         if ($user_record['login_date'] <= DBA::NULL_DATETIME) {
 194                                 info(L10n::t('Welcome %s', $user_record['username']));
 195                                 info(L10n::t('Please upload a profile photo.'));
 196                                 $a->internalRedirect('profile_photo/new');
 197                         } else {
 198                                 info(L10n::t("Welcome back %s", $user_record['username']));
 199                         }
 200                 }
 201
 202                 $a->user = $user_record;
 203
 204                 if ($login_initial) {
 205                         Hook::callAll('logged_in', $a->user);
 206
 207                         if ($a->module !== 'home' && self::exists('return_path')) {
 208                                 $a->internalRedirect(self::get('return_path'));
 209                         }
 210                 }
 211         }
 212 }