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