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\Core\Addon;
  10 use Friendica\Core\Config;
  11 use Friendica\Core\L10n;
  12 use Friendica\Core\PConfig;
  13 use Friendica\Database\DBA;
  14 use Friendica\Util\DateTimeFormat;
  15
  16 /**
  17 * Handle Authentification, Session and Cookies
  18 */
  19 class Authentication extends BaseObject
  20 {
  21         /**
  22          * @brief Calculate the hash that is needed for the "Friendica" cookie
  23          *
  24          * @param array $user Record from "user" table
  25          *
  26          * @return string Hashed data
  27          */
  28         public static function getCookieHashForUser($user)
  29         {
  30                 return(hash("sha256", Config::get("system", "site_prvkey") .
  31                                 $user["prvkey"] .
  32                                 $user["password"]));
  33         }
  34
  35         /**
  36          * @brief Set the "Friendica" cookie
  37          *
  38          * @param int $time
  39          * @param array $user Record from "user" table
  40          */
  41         public static  function setCookie($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') == 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 type $user_record
  64          * @param type $login_initial
  65          * @param type $interactive
  66          * @param type $login_refresh
  67          */
  68         public static function setAuthenticatedSessionForUser($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                 $master_record = $a->user;
 106
 107                 if ((x($_SESSION, 'submanage')) && intval($_SESSION['submanage'])) {
 108                         $user = DBA::selectFirst('user', [], ['uid' => $_SESSION['submanage']]);
 109                         if (DBA::isResult($user)) {
 110                                 $master_record = $user;
 111                         }
 112                 }
 113
 114                 if ($master_record['parent-uid'] == 0) {
 115                         // First add our own entry
 116                         $a->identities = [['uid' => $master_record['uid'],
 117                                         'username' => $master_record['username'],
 118                                         'nickname' => $master_record['nickname']]];
 119
 120                         // Then add all the children
 121                         $r = DBA::select('user', ['uid', 'username', 'nickname'],
 122                                 ['parent-uid' => $master_record['uid'], 'account_removed' => false]);
 123                         if (DBA::isResult($r)) {
 124                                 $a->identities = array_merge($a->identities, DBA::toArray($r));
 125                         }
 126                 } else {
 127                         // Just ensure that the array is always defined
 128                         $a->identities = [];
 129
 130                         // First entry is our parent
 131                         $r = DBA::select('user', ['uid', 'username', 'nickname'],
 132                                 ['uid' => $master_record['parent-uid'], 'account_removed' => false]);
 133                         if (DBA::isResult($r)) {
 134                                 $a->identities = DBA::toArray($r);
 135                         }
 136
 137                         // Then add all siblings
 138                         $r = DBA::select('user', ['uid', 'username', 'nickname'],
 139                                 ['parent-uid' => $master_record['parent-uid'], 'account_removed' => false]);
 140                         if (DBA::isResult($r)) {
 141                                 $a->identities = array_merge($a->identities, DBA::toArray($r));
 142                         }
 143                 }
 144
 145                 $r = DBA::p("SELECT `user`.`uid`, `user`.`username`, `user`.`nickname`
 146                         FROM `manage`
 147                         INNER JOIN `user` ON `manage`.`mid` = `user`.`uid`
 148                         WHERE `user`.`account_removed` = 0 AND `manage`.`uid` = ?",
 149                         $master_record['uid']
 150                 );
 151                 if (DBA::isResult($r)) {
 152                         $a->identities = array_merge($a->identities, DBA::toArray($r));
 153                 }
 154
 155                 if ($login_initial) {
 156                         logger('auth_identities: ' . print_r($a->identities, true), LOGGER_DEBUG);
 157                 }
 158                 if ($login_refresh) {
 159                         logger('auth_identities refresh: ' . print_r($a->identities, true), LOGGER_DEBUG);
 160                 }
 161
 162                 $contact = DBA::selectFirst('contact', [], ['uid' => $_SESSION['uid'], 'self' => true]);
 163                 if (DBA::isResult($contact)) {
 164                         $a->contact = $contact;
 165                         $a->cid = $contact['id'];
 166                         $_SESSION['cid'] = $a->cid;
 167                 }
 168
 169                 header('X-Account-Management-Status: active; name="' . $a->user['username'] . '"; id="' . $a->user['nickname'] . '"');
 170
 171                 if ($login_initial || $login_refresh) {
 172                         DBA::update('user', ['login_date' => DateTimeFormat::utcNow()], ['uid' => $_SESSION['uid']]);
 173
 174                         // Set the login date for all identities of the user
 175                         DBA::update('user', ['login_date' => DateTimeFormat::utcNow()],
 176                                 ['parent-uid' => $master_record['uid'], 'account_removed' => false]);
 177                 }
 178
 179                 if ($login_initial) {
 180                         /*
 181                          * If the user specified to remember the authentication, then set a cookie
 182                          * that expires after one week (the default is when the browser is closed).
 183                          * The cookie will be renewed automatically.
 184                          * The week ensures that sessions will expire after some inactivity.
 185                          */
 186                         if (!empty($_SESSION['remember'])) {
 187                                 logger('Injecting cookie for remembered user ' . $a->user['nickname']);
 188                                 self::setCookie(604800, $user_record);
 189                                 unset($_SESSION['remember']);
 190                         }
 191                 }
 192
 193                 if ($login_initial) {
 194                         Addon::callHooks('logged_in', $a->user);
 195
 196                         if (($a->module !== 'home') && isset($_SESSION['return_path'])) {
 197                                 $a->internalRedirect($_SESSION['return_path']);
 198                         }
 199                 }
 200         }
 201
 202         /**
 203          * @brief Kills the "Friendica" cookie and all session data
 204          */
 205         public static function deleteSession()
 206         {
 207                 self::setCookie(-3600); // make sure cookie is deleted on browser close, as a security measure
 208                 session_unset();
 209                 session_destroy();
 210         }
 211 }
 212