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member.php
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member.php
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<?php
require_once './system/common.inc.php';
$invite_code = getSetting('invite_code');
if($_GET['action'] == 'logout' && $_GET['hash']==$formhash){
dsetcookie('token', '');
$_COOKIE['token'] = '';
showmessage('您已经退出登录了！', dreferer(), 1);
}elseif($uid && $_GET['action'] == 'unbind_user'){
if($_GET['formhash'] != $formhash) showmessage('来源不可信，请重试', './');
$_uid = intval($_GET['uid']);
$user = DB::fetch_first("SELECT * FROM member_bind WHERE uid='{$uid}' AND _uid='{$_uid}'");
if(!$user) showmessage('你并没有绑定该账号', './');
DB::query("DELETE FROM member_bind WHERE uid='{$uid}' AND _uid='{$_uid}'");
DB::query("DELETE FROM member_bind WHERE uid='{$_uid}' AND _uid='{$uid}'");
showmessage("成功解除与 {$user['username']} 的绑定！", './');
}elseif($uid && $_GET['action'] == 'bind_user'){
if($_POST['formhash'] != $formhash) showmessage('来源不可信，请重试', './');
if(!$_POST['username']){
showmessage('请输入用户名', './#');
}elseif(!$_POST['password']){
showmessage('请输入密码', './#');
}
$_username = daddslashes($_POST['username']);
if($_username == $username) showmessage('请输入其他账户的信息', './#');
if(strlen($_username) > 24) showmessage('用户名过长，请修改', dreferer(), 5);
$user = DB::fetch_first("SELECT * FROM member WHERE username='{$_username}'");
$userid = $user['uid'];
$verified = Widget_Password::verify($user, $_POST['password']);
if($verified){
$exists = DB::result_first("SELECT _uid FROM member_bind WHERE uid='{$uid}' AND _uid='{$userid}'");
if($exists) showmessage('您此前已经绑定过此帐号', './#');
DB::insert('member_bind', array(
'uid' => $uid,
'_uid' => $userid,
'username' => $user['username'],
));
$exists = DB::result_first("SELECT uid FROM member_bind WHERE _uid='{$uid}' AND uid='{$userid}'");
if(!$exists){
$username = DB::result_first("SELECT username FROM member WHERE uid='{$uid}'");
DB::insert('member_bind', array(
'uid' => $userid,
'_uid' => $uid,
'username' => $username,
));
}
showmessage("您已经成功绑定用户“{$user[username]}”", './');
}else{
showmessage('用户名/密码不正确！', './#');
}
}elseif($uid && $_GET['action'] == 'switch'){
if($_GET['formhash'] != $formhash) showmessage('来源不可信，请重试', './');
$target_uid = intval($_GET['uid']);
$uid = DB::result_first("SELECT _uid FROM member_bind WHERE uid='{$uid}' AND _uid='{$target_uid}'");
if(!$uid) showmessage('您尚未绑定该账号，无法进行切换', './');
$username = get_username($uid);
do_login($uid);
showmessage("您已经成功切换至 {$username}！", dreferer(), 1);
}elseif($uid){
showmessage('您已经登录了~', dreferer(), 1);
}elseif($_GET['action'] == 'find_password'){
if($_GET['token']){
$str = authcode($_GET['token'], 'DECODE');
if(!$str) showmessage('链接有误，请重新获取', './');
list($uid, $exptime, $password, $random) = explode("\t", $str);
if($exptime < TIMESTAMP) showmessage('链接已过期，请重新获取', './');
$user = DB::fetch_first("SELECT * FROM member WHERE uid='{$uid}' AND password='{$password}'");
if(!$user) showmessage('链接已经失效，请重新获取', './');
$new_password = random(10);
$newpassword = Widget_Password::encrypt($user, $new_password);
DB::update('member', array('password' => $newpassword), "uid='{$uid}'");
showmessage("您的密码已经重置为：<br>{$new_password}<br><br>请使用新密码登录并修改密码。");
}elseif($_POST['username'] && $_POST['email']){
$username = daddslashes($_POST['username']);
$email = daddslashes($_POST['email']);
$user = DB::fetch_first("SELECT * FROM member WHERE username='{$username}' AND email='{$email}'");
if(!$user) showmessage('用户名 / 邮箱有误', './');
$info = array(
$user['uid'], // UID
TIMESTAMP + 3600, // Token 过期时间
$user['password'], // 当前密码
random(32), // 随机字符
);
$token = urlencode(authcode(implode("\t", $info), 'ENCODE'));
$link = "{$siteurl}member.php?action=find_password&token={$token}";
$message = <<<EOF
<p>我们已经收到您的找回密码申请，请您点击下方的链接重新设置密码：</p>
<blockquote><a href="{$link}">{$link}</a></blockquote>
<p>（注：请在一小时内点击上面的链接，我们将向您提供新的密码）</p>
<br>
<p>如果您没有要求重置密码却收到本邮件，请及时删除此邮件以确保账户安全。</p>
EOF;
DB::insert('mail_queue', array(
'to' => $user['email'],
'subject' => "贴吧签到助手 - 密码找回",
'content' => $message,
));
saveSetting('mail_queue', 1);
showmessage('邮件发送成功，请到邮箱查收', './');
}
header('Location: member.php');
exit();
}elseif($_GET['action'] == 'register'){
if(getSetting('block_register')) showmessage('抱歉，当前站点禁止新用户注册', 'member.php');
$count = DB::result_first('SELECT COUNT(*) FROM member');
if($_POST && strexists($_SERVER['HTTP_REFERER'], 'member.php')){
list($time, $hash, $member_count) = explode("\t", authcode($_COOKIE['key'], 'DECODE'));
if(getSetting('register_check') && $time > TIMESTAMP - 5 || $time < TIMESTAMP - 300) $_POST = array();
if(getSetting('register_limit') && $member_count != $count) showmessage('当前注册人数过多，请您稍后再试', 'member.php');
if($count > 1000) showmessage('超过当前站点最大用户数量上限，无法注册', 'member.php');
$_POST['username'] = $_POST['password'] = $_POST['email'] = null;
foreach($_POST as $key => $value){
$key = authcode($key, 'DECODE', $hash);
if($key == 'username'){
$_POST['username'] = $value;
}elseif($key == 'password'){
$_POST['password'] = $value;
}elseif($key == 'email'){
$_POST['email'] = $value;
}
}
if(!$_POST['username']){
showmessage('请输入用户名', 'member.php');
}elseif(!$_POST['password']){
showmessage('请输入密码', 'member.php');
}elseif(!$_POST['email']){
showmessage('请输入您的邮箱', 'member.php');
}else{
if($invite_code && $_POST['invite_code'] != $invite_code) showmessage('邀请码有误', 'member.php');
$username = daddslashes($_POST['username']);
$email = daddslashes($_POST['email']);
if(!is_email($email)) showmessage('邮箱格式不正确，请修改', dreferer(), 5);
if(!$username || !$_POST['password'] || !$email) showmessage('您输入的信息不完整', 'member.php');
if(preg_match('/[<>\'\\"]/i', $username)) showmessage('用户名中有被禁止使用的关键字', 'member.php');
if(strlen($username) < 6) showmessage('用户名至少要6个字符(即2个中文 或 6个英文)，请修改', dreferer(), 5);
if(strlen($username) > 24) showmessage('用户名过长，请修改', dreferer(), 5);
$un = strtolower($username);
if(strexists($un, 'admin') || strexists($un, 'guanli')) showmessage('用户名不和谐，请修改', dreferer(), 5);
$user = DB::fetch_first("SELECT * FROM member WHERE username='{$username}'");
if($user) showmessage('用户名已经存在', 'member.php');
HOOK::run('before_register');
$uid = do_register($username, $_POST['password'], $email);
do_login($uid);
HOOK::run('register_finish', false, $uid);
showmessage("注册成功，您的用户名是 <b>{$username}</b> 记住了哦~！", dreferer(), 3);
}
}
header('Location: member.php');
exit();
}elseif($_POST){
if($_POST['username'] && $_POST['password']){
$username = daddslashes($_POST['username']);
$un = strtolower($username);
if(strlen($username) > 24) showmessage('用户名过长，请修改', dreferer(), 5);
$user = DB::fetch_first("SELECT * FROM member WHERE username='{$username}'");
$verified = Widget_Password::verify($user, $_POST['password']);
if($verified) {
$login_exp = TIMESTAMP + 3600;
do_login($user['uid']);
$username = $user['username'];
showmessage("欢迎回来，{$username}！", dreferer(), 1);
}else{
showmessage('对不起，您的用户名或密码错误，无法登录.', 'member.php', 3);
}
}
}
$count = DB::result_first('SELECT COUNT(*) FROM member');
$hash = random(6);
$time = TIMESTAMP;
dsetcookie('key', authcode("{$time}\t{$hash}\t{$count}", 'ENCODE'));
$form_username = authcode('username', 'ENCODE', $hash);
$form_password = authcode('password', 'ENCODE', $hash);
$form_email = authcode('email', 'ENCODE', $hash);
include template('member');