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\Logger;
  13 use Friendica\Core\PConfig;
  14 use Friendica\Database\DBA;
  15 use Friendica\Util\DateTimeFormat;
  16
  17 /**
  18 * Handle Authentification, Session and Cookies
  19 */
  20 class Authentication extends BaseObject
  21 {
  22         /**
  23          * @brief Calculate the hash that is needed for the "Friendica" cookie
  24          *
  25          * @param array $user Record from "user" table
  26          *
  27          * @return string Hashed data
  28          */
  29         public static function getCookieHashForUser($user)
  30         {
  31                 return(hash("sha256", Config::get("system", "site_prvkey") .
  32                                 $user["prvkey"] .
  33                                 $user["password"]));
  34         }
  35
  36         /**
  37          * @brief Set the "Friendica" cookie
  38          *
  39          * @param int $time
  40          * @param array $user Record from "user" table
  41          */
  42         public static  function setCookie($time, $user = [])
  43         {
  44                 if ($time != 0) {
  45                         $time = $time + time();
  46                 }
  47
  48                 if ($user) {
  49                         $value = json_encode(["uid" => $user["uid"],
  50                                 "hash" => self::getCookieHashForUser($user),
  51                                 "ip" => defaults($_SERVER, 'REMOTE_ADDR', '0.0.0.0')]);
  52                 } else {
  53                         $value = "";
  54                 }
  55
  56                 setcookie("Friendica", $value, $time, "/", "", (Config::get('system', 'ssl_policy') == SSL_POLICY_FULL), true);
  57         }
  58
  59         /**
  60          * @brief Sets the provided user's authenticated session
  61          *
  62          * @todo Should be moved to Friendica\Core\Session once it's created
  63          *
  64          * @param type $user_record
  65          * @param type $login_initial
  66          * @param type $interactive
  67          * @param type $login_refresh
  68          */
  69         public static function setAuthenticatedSessionForUser($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                 $master_record = $a->user;
 107
 108                 if ((x($_SESSION, 'submanage')) && intval($_SESSION['submanage'])) {
 109                         $user = DBA::selectFirst('user', [], ['uid' => $_SESSION['submanage']]);
 110                         if (DBA::isResult($user)) {
 111                                 $master_record = $user;
 112                         }
 113                 }
 114
 115                 if ($master_record['parent-uid'] == 0) {
 116                         // First add our own entry
 117                         $a->identities = [['uid' => $master_record['uid'],
 118                                         'username' => $master_record['username'],
 119                                         'nickname' => $master_record['nickname']]];
 120
 121                         // Then add all the children
 122                         $r = DBA::select('user', ['uid', 'username', 'nickname'],
 123                                 ['parent-uid' => $master_record['uid'], 'account_removed' => false]);
 124                         if (DBA::isResult($r)) {
 125                                 $a->identities = array_merge($a->identities, DBA::toArray($r));
 126                         }
 127                 } else {
 128                         // Just ensure that the array is always defined
 129                         $a->identities = [];
 130
 131                         // First entry is our parent
 132                         $r = DBA::select('user', ['uid', 'username', 'nickname'],
 133                                 ['uid' => $master_record['parent-uid'], 'account_removed' => false]);
 134                         if (DBA::isResult($r)) {
 135                                 $a->identities = DBA::toArray($r);
 136                         }
 137
 138                         // Then add all siblings
 139                         $r = DBA::select('user', ['uid', 'username', 'nickname'],
 140                                 ['parent-uid' => $master_record['parent-uid'], 'account_removed' => false]);
 141                         if (DBA::isResult($r)) {
 142                                 $a->identities = array_merge($a->identities, DBA::toArray($r));
 143                         }
 144                 }
 145
 146                 $r = DBA::p("SELECT `user`.`uid`, `user`.`username`, `user`.`nickname`
 147                         FROM `manage`
 148                         INNER JOIN `user` ON `manage`.`mid` = `user`.`uid`
 149                         WHERE `user`.`account_removed` = 0 AND `manage`.`uid` = ?",
 150                         $master_record['uid']
 151                 );
 152                 if (DBA::isResult($r)) {
 153                         $a->identities = array_merge($a->identities, DBA::toArray($r));
 154                 }
 155
 156                 if ($login_initial) {
 157                         Logger::log('auth_identities: ' . print_r($a->identities, true), LOGGER_DEBUG);
 158                 }
 159                 if ($login_refresh) {
 160                         Logger::log('auth_identities refresh: ' . print_r($a->identities, true), LOGGER_DEBUG);
 161                 }
 162
 163                 $contact = DBA::selectFirst('contact', [], ['uid' => $_SESSION['uid'], 'self' => true]);
 164                 if (DBA::isResult($contact)) {
 165                         $a->contact = $contact;
 166                         $a->cid = $contact['id'];
 167                         $_SESSION['cid'] = $a->cid;
 168                 }
 169
 170                 header('X-Account-Management-Status: active; name="' . $a->user['username'] . '"; id="' . $a->user['nickname'] . '"');
 171
 172                 if ($login_initial || $login_refresh) {
 173                         DBA::update('user', ['login_date' => DateTimeFormat::utcNow()], ['uid' => $_SESSION['uid']]);
 174
 175                         // Set the login date for all identities of the user
 176                         DBA::update('user', ['login_date' => DateTimeFormat::utcNow()],
 177                                 ['parent-uid' => $master_record['uid'], 'account_removed' => false]);
 178                 }
 179
 180                 if ($login_initial) {
 181                         /*
 182                          * If the user specified to remember the authentication, then set a cookie
 183                          * that expires after one week (the default is when the browser is closed).
 184                          * The cookie will be renewed automatically.
 185                          * The week ensures that sessions will expire after some inactivity.
 186                          */
 187                         if (!empty($_SESSION['remember'])) {
 188                                 Logger::log('Injecting cookie for remembered user ' . $a->user['nickname']);
 189                                 self::setCookie(604800, $user_record);
 190                                 unset($_SESSION['remember']);
 191                         }
 192                 }
 193
 194                 if ($login_initial) {
 195                         Addon::callHooks('logged_in', $a->user);
 196
 197                         if (($a->module !== 'home') && isset($_SESSION['return_path'])) {
 198                                 $a->internalRedirect($_SESSION['return_path']);
 199                         }
 200                 }
 201         }
 202
 203         /**
 204          * @brief Kills the "Friendica" cookie and all session data
 205          */
 206         public static function deleteSession()
 207         {
 208                 self::setCookie(-3600); // make sure cookie is deleted on browser close, as a security measure
 209                 session_unset();
 210                 session_destroy();
 211         }
 212 }
 213