欢迎进入Linux社区论坛,与200万技术人员互动交流 >>进入 再来看另一段有趣的代码,用户怎样才能安全地改变他们的email地址呢?他们可以在任何时候改变email地址,但是要进行确认。 <?php function user_change_email ($password1,$new_email,$user_name) {
欢迎进入Linux社区论坛,与200万技术人员互动交流 >>进入
再来看另一段有趣的代码,用户怎样才能安全地改变他们的email地址呢?他们可以在任何时候改变email地址,但是要进行确认。
<?php
function user_change_email ($password1,$new_email,$user_name) {
global $feedback,$hidden_hash_var;
if (validate_email($new_email)) {
$hash=md5($new_email.$hidden_hash_var);
file://改变数据库中确认用的无序码值,但不改变email
file://发出一个带有新认证码的确认email
$user_name=strtolower($user_name);
$password1=strtolower($password1);
$sql="UPDATE user SET confirm_hash='$hash' WHERE user_name='$user_name' AND password='". md5($password1) ."'";
$result=db_query($sql);
if (!$result || db_affected_rows($result)
$feedback .= ' ERROR - Incorrect User Name Or Password ';
return false;
} else {
$feedback .= ' Confirmation Sent ';
user_send_confirm_email($new_email,$hash);
return true;
}
} else {
$feedback .= ' New Email Address Appears Invalid ';
return false;
}
}
function user_confirm($hash,$email) {
/*
用户点击认证email的相关连接时,连到一个确认的页面,该页面会调用这个函数,
*/
global $feedback,$hidden_hash_var;
file://verify that they didn't tamper with the email address
$new_hash=md5($email.$hidden_hash_var);
if ($new_hash && ($new_hash==$hash)) {
file://在数据库中找出这个记录
$sql="SELECT * FROM user WHERE confirm_hash='$hash'";
$result=db_query($sql);
if (!$result || db_numrows($result)
$feedback .= ' ERROR - Hash Not Found ';
return false;
} else {
file://确认email,并且设置帐号为已经激活
$feedback .= ' User Account Updated - You Are Now Logged In ';
user_set_tokens(db_result($result,0,'user_name'));
$sql="UPDATE user SET email='$email',is_confirmed='1' WHERE confirm_hash='$hash'";
$result=db_query($sql);
return true;
}
} else {
$feedback .= ' HASH INVALID - UPDATE FAILED ';
return false;
}
}
function user_send_confirm_email($email,$hash) {
/*
这个函数在首次注册或者改变email地址时使用
*/
$message = "Thank You For Registering at Company.com".
"nSimply follow this link to confirm your registration: ".
"nnhttp://www.company.com/account/confirm.php?hash=$hash&email=". urlencode($email). "nnOnce you confirm, you can use the services on PHPBuilder.";
mail ($email,'Registration Confirmation',$message,'From: noreply@company.com');
}
?>
[1] [2]