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