<?php function nuke_session() { unset($_SESSION['authenticated']); unset($_SESSION['uid']); unset($_SESSION['visitor_id']); unset($_SESSION['administrator']); unset($_SESSION['cid']); unset($_SESSION['theme']); unset($_SESSION['page_flags']); } // login/logout if((isset($_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 nuke_session(); info( t('Logged out.') . EOL); goaway($a->get_baseurl()); } if(x($_SESSION,'visitor_id') && (! x($_SESSION,'uid'))) { $r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1", intval($_SESSION['visitor_id']) ); if(count($r)) { $a->contact = $r[0]; } } if(x($_SESSION,'uid')) { // already logged in user returning $check = get_config('system','paranoia'); // extra paranoia - if the IP changed, log them out if($check && ($_SESSION['addr'] != $_SERVER['REMOTE_ADDR'])) { nuke_session(); goaway($a->get_baseurl()); } $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1", intval($_SESSION['uid']) ); if(! count($r)) { nuke_session(); goaway($a->get_baseurl()); } // initialise user environment $a->user = $r[0]; $_SESSION['theme'] = $a->user['theme']; $_SESSION['page_flags'] = $a->user['page-flags']; $member_since = strtotime($a->user['register_date']); if(time() < ($member_since + ( 60 * 60 * 24 * 14))) $_SESSION['new_member'] = true; else $_SESSION['new_member'] = false; if(strlen($a->user['timezone'])) { date_default_timezone_set($a->user['timezone']); $a->timezone = $a->user['timezone']; } $_SESSION['my_url'] = $a->get_baseurl() . '/profile/' . $a->user['nickname']; $r = q("SELECT `uid`,`username` FROM `user` WHERE `password` = '%s' AND `email` = '%s'", dbesc($a->user['password']), dbesc($a->user['email']) ); if(count($r)) $a->identities = $r; $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1", intval($_SESSION['uid'])); if(count($r)) { $a->contact = $r[0]; $a->cid = $r[0]['id']; $_SESSION['cid'] = $a->cid; } header('X-Account-Management-Status: active; name="' . $a->user['username'] . '"; id="' . $a->user['nickname'] .'"'); } } else { if(isset($_SESSION)) { nuke_session(); } if((x($_POST,'password')) && strlen($_POST['password'])) $encrypted = hash('whirlpool',trim($_POST['password'])); else { if((x($_POST,'openid_url')) && strlen($_POST['openid_url'])) { $noid = get_config('system','no_openid'); $openid_url = trim($_POST['openid_url']); // validate_url alters the calling parameter $temp_string = $openid_url; // if it's an email address or doesn't resolve to a URL, fail. if(($noid) || (strpos($temp_string,'@')) || (! validate_url($temp_string))) { $a = get_app(); notice( t('Login failed.') . EOL); goaway($a->get_baseurl()); // NOTREACHED } // Otherwise it's probably an openid. require_once('library/openid.php'); $openid = new LightOpenID; $openid->identity = $openid_url; $_SESSION['openid'] = $openid_url; $a = get_app(); $openid->returnUrl = $a->get_baseurl() . '/openid'; $r = q("SELECT `uid` FROM `user` WHERE `openid` = '%s' LIMIT 1", dbesc($openid_url) ); if(count($r)) { // existing account goaway($openid->authUrl()); // NOTREACHED } else { if($a->config['register_policy'] == REGISTER_CLOSED) { $a = get_app(); notice( t('Login failed.') . EOL); goaway($a->get_baseurl()); // NOTREACHED } // new account $_SESSION['register'] = 1; $openid->required = array('namePerson/friendly', 'contact/email', 'namePerson'); $openid->optional = array('namePerson/first','media/image/aspect11','media/image/default'); goaway($openid->authUrl()); // NOTREACHED } } } if((x($_POST,'auth-params')) && $_POST['auth-params'] === 'login') { $record = null; $addon_auth = array( 'username' => trim($_POST['openid_url']), 'password' => trim($_POST['password']), 'authenticated' => 0, 'user_record' => null ); /** * * A plugin indicates successful login by setting 'authenticated' to non-zero value and returning a user record * Plugins should never set 'authenticated' except to indicate success - as hooks may be chained * 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']))) { $record = $addon_auth['user_record']; } else { // process normal login request $r = q("SELECT * FROM `user` WHERE ( `email` = '%s' OR `nickname` = '%s' ) AND `password` = '%s' AND `blocked` = 0 AND `verified` = 1 LIMIT 1", dbesc(trim($_POST['openid_url'])), dbesc(trim($_POST['openid_url'])), dbesc($encrypted) ); if(count($r)) $record = $r[0]; } if((! $record) || (! count($record))) { logger('authenticate: failed login attempt: ' . trim($_POST['openid_url'])); notice( t('Login failed.') . EOL ); goaway($a->get_baseurl()); } $_SESSION['uid'] = $record['uid']; $_SESSION['theme'] = $record['theme']; $_SESSION['authenticated'] = 1; $_SESSION['page_flags'] = $record['page-flags']; $_SESSION['my_url'] = $a->get_baseurl() . '/profile/' . $record['nickname']; $_SESSION['addr'] = $_SERVER['REMOTE_ADDR']; $a->user = $record; if($a->user['login_date'] === '0000-00-00 00:00:00') { $_SESSION['return_url'] = 'profile_photo/new'; $a->module = 'profile_photo'; info( t("Welcome ") . $a->user['username'] . EOL); info( t('Please upload a profile photo.') . EOL); } else info( t("Welcome back ") . $a->user['username'] . EOL); $member_since = strtotime($a->user['register_date']); if(time() < ($member_since + ( 60 * 60 * 24 * 14))) $_SESSION['new_member'] = true; else $_SESSION['new_member'] = false; if(strlen($a->user['timezone'])) { date_default_timezone_set($a->user['timezone']); $a->timezone = $a->user['timezone']; } $r = q("SELECT `uid`,`username` FROM `user` WHERE `password` = '%s' AND `email` = '%s'", dbesc($a->user['password']), dbesc($a->user['email']) ); if(count($r)) $a->identities = $r; $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1", intval($_SESSION['uid'])); if(count($r)) { $a->contact = $r[0]; $a->cid = $r[0]['id']; $_SESSION['cid'] = $a->cid; } $l = get_language(); q("UPDATE `user` SET `login_date` = '%s', `language` = '%s' WHERE `uid` = %d LIMIT 1", dbesc(datetime_convert()), dbesc($l), intval($_SESSION['uid']) ); call_hooks('logged_in', $a->user); header('X-Account-Management-Status: active; name="' . $a->user['username'] . '"; id="' . $a->user['nickname'] .'"'); if(($a->module !== 'home') && isset($_SESSION['return_url'])) goaway($a->get_baseurl() . '/' . $_SESSION['return_url']); } } // Returns an array of group id's this contact is a member of. // This array will only contain group id's related to the uid of this // DFRN contact. They are *not* neccessarily unique across the entire site. if(! function_exists('init_groups_visitor')) { function init_groups_visitor($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; }}