<?php
+use Friendica\App;
+use Friendica\Core\System;
+use Friendica\Core\Config;
+use Friendica\Database\DBM;
+use Friendica\Model\User;
+
+require_once 'include/security.php';
+require_once 'include/datetime.php';
+
+// When the "Friendica" cookie is set, take the value to authenticate and renew the cookie.
+if (isset($_COOKIE["Friendica"])) {
+ $data = json_decode($_COOKIE["Friendica"]);
+ if (isset($data->uid)) {
+
+ $user = dba::select('user',
+ [],
+ [
+ 'uid' => $data->uid,
+ 'blocked' => false,
+ 'account_expired' => false,
+ 'account_removed' => false,
+ 'verified' => true,
+ ],
+ ['limit' => 1]
+ );
-require_once('include/security.php');
-
-function nuke_session() {
- unset($_SESSION['authenticated']);
- unset($_SESSION['uid']);
- unset($_SESSION['visitor_id']);
- unset($_SESSION['administrator']);
- unset($_SESSION['cid']);
- unset($_SESSION['theme']);
- unset($_SESSION['page_flags']);
- unset($_SESSION['submanage']);
- unset($_SESSION['my_url']);
- unset($_SESSION['my_address']);
- unset($_SESSION['addr']);
- unset($_SESSION['return_url']);
- unset($_SESSION['theme']);
- unset($_SESSION['page_flags']);
-}
-
+ if (DBM::is_result($user)) {
+ if ($data->hash != cookie_hash($user)) {
+ logger("Hash for user " . $data->uid . " doesn't fit.");
+ nuke_session();
+ goaway(System::baseUrl());
+ }
-// login/logout
+ // Renew the cookie
+ // Expires after 7 days by default,
+ // can be set via system.auth_cookie_lifetime
+ $authcookiedays = Config::get('system', 'auth_cookie_lifetime', 7);
+ new_cookie($authcookiedays * 24 * 60 * 60, $user);
+ // Do the authentification if not done by now
+ if (!isset($_SESSION) || !isset($_SESSION['authenticated'])) {
+ authenticate_success($user);
+ if (Config::get('system', 'paranoia')) {
+ $_SESSION['addr'] = $data->ip;
+ }
+ }
+ }
+ }
+}
-if((isset($_SESSION)) && (x($_SESSION,'authenticated')) && ((! (x($_POST,'auth-params'))) || ($_POST['auth-params'] !== 'login'))) {
+// login/logout
- if(((x($_POST,'auth-params')) && ($_POST['auth-params'] === 'logout')) || ($a->module === 'logout')) {
-
+if (isset($_SESSION) && x($_SESSION, 'authenticated') && (!x($_POST, 'auth-params') || ($_POST['auth-params'] !== 'login'))) {
+ if ((x($_POST, 'auth-params') && ($_POST['auth-params'] === 'logout')) || ($a->module === 'logout')) {
// process logout request
call_hooks("logging_out");
nuke_session();
- info( t('Logged out.') . EOL);
- goaway(z_root());
+ info(t('Logged out.') . EOL);
+ goaway(System::baseUrl());
}
- if(x($_SESSION,'visitor_id') && (! x($_SESSION,'uid'))) {
+ if (x($_SESSION, 'visitor_id') && !x($_SESSION, 'uid')) {
$r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
intval($_SESSION['visitor_id'])
);
- if(count($r)) {
+ if (DBM::is_result($r)) {
$a->contact = $r[0];
}
}
- if(x($_SESSION,'uid')) {
-
+ if (x($_SESSION, 'uid')) {
// already logged in user returning
-
- $check = get_config('system','paranoia');
+ $check = Config::get('system', 'paranoia');
// extra paranoia - if the IP changed, log them out
- if($check && ($_SESSION['addr'] != $_SERVER['REMOTE_ADDR'])) {
+ if ($check && ($_SESSION['addr'] != $_SERVER['REMOTE_ADDR'])) {
+ logger('Session address changed. Paranoid setting in effect, blocking session. ' .
+ $_SESSION['addr'] . ' != ' . $_SERVER['REMOTE_ADDR']);
nuke_session();
- goaway(z_root());
+ goaway(System::baseUrl());
}
- $r = q("SELECT `user`.*, `user`.`pubkey` as `upubkey`, `user`.`prvkey` as `uprvkey`
- FROM `user` WHERE `uid` = %d AND `blocked` = 0 AND `account_expired` = 0 AND `verified` = 1 LIMIT 1",
- intval($_SESSION['uid'])
+ $user = dba::select('user',
+ [],
+ [
+ 'uid' => $_SESSION['uid'],
+ 'blocked' => false,
+ 'account_expired' => false,
+ 'account_removed' => false,
+ 'verified' => true,
+ ],
+ ['limit' => 1]
);
-
- if(! count($r)) {
+ if (!DBM::is_result($user)) {
nuke_session();
- goaway(z_root());
+ goaway(System::baseUrl());
}
- authenticate_success($r[0]);
- }
-}
-else {
-
- if(isset($_SESSION)) {
- nuke_session();
+ // Make sure to refresh the last login time for the user if the user
+ // stays logged in for a long time, e.g. with "Remember Me"
+ $login_refresh = false;
+ if (!x($_SESSION['last_login_date'])) {
+ $_SESSION['last_login_date'] = datetime_convert('UTC', 'UTC');
+ }
+ if (strcmp(datetime_convert('UTC', 'UTC', 'now - 12 hours'), $_SESSION['last_login_date']) > 0) {
+ $_SESSION['last_login_date'] = datetime_convert('UTC', 'UTC');
+ $login_refresh = true;
+ }
+ authenticate_success($user, false, false, $login_refresh);
}
+} else {
+ session_unset();
+ if (
+ !(x($_POST, 'password') && strlen($_POST['password']))
+ && (
+ x($_POST, 'openid_url') && strlen($_POST['openid_url'])
+ || x($_POST, 'username') && strlen($_POST['username'])
+ )
+ ) {
+ $noid = Config::get('system', 'no_openid');
- if((x($_POST,'password')) && strlen($_POST['password']))
- $encrypted = hash('whirlpool',trim($_POST['password']));
- else {
- if((x($_POST,'openid_url')) && strlen($_POST['openid_url']) ||
- (x($_POST,'username')) && strlen($_POST['username'])) {
-
- $noid = get_config('system','no_openid');
+ $openid_url = trim(strlen($_POST['openid_url']) ? $_POST['openid_url'] : $_POST['username']);
- $openid_url = trim((strlen($_POST['openid_url'])?$_POST['openid_url']:$_POST['username']) );
+ // validate_url alters the calling parameter
- // validate_url alters the calling parameter
+ $temp_string = $openid_url;
- $temp_string = $openid_url;
+ // if it's an email address or doesn't resolve to a URL, fail.
- // if it's an email address or doesn't resolve to a URL, fail.
-
- if(($noid) || (strpos($temp_string,'@')) || (! validate_url($temp_string))) {
- $a = get_app();
- notice( t('Login failed.') . EOL);
- goaway(z_root());
- // NOTREACHED
- }
+ if ($noid || strpos($temp_string, '@') || !validate_url($temp_string)) {
+ $a = get_app();
+ notice(t('Login failed.') . EOL);
+ goaway(System::baseUrl());
+ // NOTREACHED
+ }
- // Otherwise it's probably an openid.
+ // Otherwise it's probably an openid.
- try {
+ try {
require_once('library/openid.php');
$openid = new LightOpenID;
$openid->identity = $openid_url;
$_SESSION['openid'] = $openid_url;
- $a = get_app();
- $openid->returnUrl = $a->get_baseurl(true) . '/openid';
- goaway($openid->authUrl());
- } catch (Exception $e) {
- notice( t('We encountered a problem while logging in with the OpenID you provided. Please check the correct spelling of the ID.').'<br /><br >'. t('The error message was:').' '.$e->getMessage());
- }
- // NOTREACHED
+ $_SESSION['remember'] = $_POST['remember'];
+ $openid->returnUrl = System::baseUrl(true) . '/openid';
+ goaway($openid->authUrl());
+ } catch (Exception $e) {
+ notice(t('We encountered a problem while logging in with the OpenID you provided. Please check the correct spelling of the ID.') . '<br /><br >' . t('The error message was:') . ' ' . $e->getMessage());
}
+ // NOTREACHED
}
- if((x($_POST,'auth-params')) && $_POST['auth-params'] === 'login') {
-
+ if (x($_POST, 'auth-params') && $_POST['auth-params'] === 'login') {
$record = null;
$addon_auth = array(
- 'username' => trim($_POST['username']),
+ 'username' => trim($_POST['username']),
'password' => trim($_POST['password']),
'authenticated' => 0,
'user_record' => null
* and later plugins should not interfere with an earlier one that succeeded.
*
*/
-
call_hooks('authenticate', $addon_auth);
- if(($addon_auth['authenticated']) && (count($addon_auth['user_record']))) {
+ if ($addon_auth['authenticated'] && count($addon_auth['user_record'])) {
$record = $addon_auth['user_record'];
+ } else {
+ $user_id = User::authenticate(trim($_POST['username']), trim($_POST['password']));
+ if ($user_id) {
+ $record = dba::select('user', [], ['uid' => $user_id], ['limit' => 1]);
+ }
}
- else {
-
- // process normal login request
-
- $r = q("SELECT `user`.*, `user`.`pubkey` as `upubkey`, `user`.`prvkey` as `uprvkey`
- FROM `user` WHERE ( `email` = '%s' OR `nickname` = '%s' )
- AND `password` = '%s' AND `blocked` = 0 AND `account_expired` = 0 AND `verified` = 1 LIMIT 1",
- dbesc(trim($_POST['username'])),
- dbesc(trim($_POST['username'])),
- dbesc($encrypted)
- );
- if(count($r))
- $record = $r[0];
+
+ if (!$record || !count($record)) {
+ logger('authenticate: failed login attempt: ' . notags(trim($_POST['username'])) . ' from IP ' . $_SERVER['REMOTE_ADDR']);
+ notice(t('Login failed.') . EOL);
+ goaway(System::baseUrl());
}
- if((! $record) || (! count($record))) {
- logger('authenticate: failed login attempt: ' . notags(trim($_POST['username'])) . ' from IP ' . $_SERVER['REMOTE_ADDR']);
- notice( t('Login failed.') . EOL );
- goaway(z_root());
- }
+ if (!$_POST['remember']) {
+ new_cookie(0); // 0 means delete on browser exit
+ }
// if we haven't failed up this point, log them in.
-
+ $_SESSION['remember'] = $_POST['remember'];
+ $_SESSION['last_login_date'] = datetime_convert('UTC', 'UTC');
authenticate_success($record, true, true);
}
}
-// Returns an array of group id's this contact is a member of.
-// This array will only contain group id's related to the uid of this
-// DFRN contact. They are *not* neccessarily unique across the entire site.
-
-
-if(! function_exists('init_groups_visitor')) {
-function init_groups_visitor($contact_id) {
- $groups = array();
- $r = q("SELECT `gid` FROM `group_member`
- WHERE `contact-id` = %d ",
- intval($contact_id)
- );
- if(count($r)) {
- foreach($r as $rr)
- $groups[] = $rr['gid'];
- }
- return $groups;
-}}
-
-
+/**
+ * @brief Kills the "Friendica" cookie and all session data
+ */
+function nuke_session()
+{
+ new_cookie(-3600); // make sure cookie is deleted on browser close, as a security measure
+ session_unset();
+ session_destroy();
+}