renren/app/source/auth/forward.ctrl.php

<?php
/**
 * [WeEngine System] Copyright (c) 2014 WE7.CC
 * WeEngine is NOT a free software, it under the license terms, visited http://www.we7.cc/ for more details.
 */
defined('IN_IA') or exit('Access Denied');

$_W['setting']['authmode'] = 1;
unset($_SESSION['uid']);
if($_GPC['__auth']) {
	$auth = @json_decode(base64_decode($_GPC['__auth']), true);
	if(is_array($auth) && !empty($auth['openid']) && !empty($auth['acid']) && !empty($auth['time']) && !empty($auth['hash'])) {
		if(($_W['setting']['authmode'] == 2 && abs($auth['time'] - TIMESTAMP) < 180) || $_W['setting']['authmode'] == 1) {
			$fan = mc_fansinfo($auth['openid']);
			if(!empty($fan)) {
				$hash = md5("{$auth['openid']}{$auth['time']}{$fan['salt']}{$_W['config']['setting']['authkey']}");
				if($auth['hash'] == $hash) {
					if ($_W['setting']['authmode'] == 2) {
						$rec = array();
						do{
							$rec['salt'] = random(8);
						} while ($rec['salt'] == $fan['salt']);
						pdo_update ('mc_mapping_fans', $rec, array('uniacid' => $_W['uniacid'], 'acid' => $auth['acid'], 'openid' => $auth['openid']));
					}
					$_SESSION['uniacid'] = $_W['uniacid'];
					$_SESSION['acid'] = $auth['acid'];
					$_SESSION['openid'] = $auth['openid'];
										if ($_W['account']['level'] == '3' && empty($fan['nickname'])) {
						$account_obj = WeAccount::create($_W['account']);
						$userinfo = $account_obj->fansQueryInfo($auth['openid']);
						if(!is_error($userinfo) && is_array($userinfo) && !empty($userinfo['nickname'])) {
							$record = array();
							$record['updatetime'] = TIMESTAMP;
							$record['nickname'] = stripslashes($userinfo['nickname']);
							$record['tag'] = base64_encode(iserializer($userinfo));
							pdo_update('mc_mapping_fans', $record, array('openid' => $fan['openid']));
							if(!empty($fan['uid'])) {
								$user = mc_fetch($fan['uid'], array('nickname', 'gender', 'residecity', 'resideprovince', 'nationality', 'avatar'));
								$record = array();
								if(empty($user['nickname']) && !empty($userinfo['nickname'])) {
									$record['nickname'] = stripslashes($userinfo['nickname']);
								}
								if(empty($user['gender']) && !empty($userinfo['sex'])) {
									$record['gender'] = $userinfo['sex'];
								}
								if(empty($user['residecity']) && !empty($userinfo['city'])) {
									$record['residecity'] = $userinfo['city'] . '市';
								}
								if(empty($user['resideprovince']) && !empty($userinfo['province'])) {
									$record['resideprovince'] = $userinfo['province'] . '省';
								}
								if(empty($user['nationality']) && !empty($userinfo['country'])) {
									$record['nationality'] = $userinfo['country'];
								}
								if(empty($user['avatar']) && !empty($userinfo['headimgurl'])) {
									$record['avatar'] = $userinfo['headimgurl'];
								}
								if(!empty($record)) {
									mc_update($user['uid'], $record);
								}
							}
						}
					}
					$member = mc_fetch($fan['uid']);
					if (!empty($member)) {
						$_SESSION['uid'] = $fan['uid'];
					}
				}
			}
		}
	}
}

$forward = @base64_decode($_GPC['forward']);
if(empty($forward)) {
	$forward = url('mc');
} else {
	$forward = (strexists($forward, 'http://') || strexists($forward, 'https://')) ? $forward : $_W['siteroot'] . 'app/' . $forward;
}
if(strexists($forward, '#')) {
	$pieces = explode('#', $forward, 2);
	$forward = $pieces[0];
}
$forward = str_replace('&wxref=mp.weixin.qq.com', '', $forward);
$forward .= '&wxref=mp.weixin.qq.com#wechat_redirect';
header('location:' . $forward);