我试图弄清楚为什么用户成功输入密码并下载文件后，我的php代码似乎无法重定向。 我试图了解php标头已经发送的问题，但是我对如何解决这个问题还不够好。 顺便说一句，下面的这段代码是从Zubrag的login php脚本修改而来的。 我添加了一个文件下载部分，以便当用户成功键入pwd时可以进行文件下载。 我只是想告诉用户他们已经成功了（或者有些感谢味精）。
当前的实现方式在这里可用： http : //bnatyam.com/password_protect.php
<?php
error_reporting(E_ALL); //trying to catch output errors but nothing shows up
ini_set("display_errors", 1);
###############################################################
# Page Password Protect 2.13
###############################################################
# Visit http://www.zubrag.com/scripts/ for updates
###############################################################
#
# Usage:
# Set usernames / passwords below between SETTINGS START and SETTINGS END.
# Open it in browser with "help" parameter to get the code
# to add to all files being protected.
# Example: password_protect.php?help
# Include protection string which it gave you into every file that needs to be protected
#
# Add following HTML code to your page where you want to have logout link
# <a href="http://www.example.com/path/to/protected/page.php?logout=1">Logout</a>
#
###############################################################
/*
-------------------------------------------------------------------
SAMPLE if you only want to request login and password on login form.
Each row represents different user.
$LOGIN_INFORMATION = array(
'zubrag' => 'root',
'test' => 'testpass',
'admin' => 'passwd'
);
--------------------------------------------------------------------
SAMPLE if you only want to request only password on login form.
Note: only passwords are listed
$LOGIN_INFORMATION = array(
'root',
'testpass',
'passwd'
);
--------------------------------------------------------------------
*/
##################################################################
# SETTINGS START
##################################################################
// Add login/password pairs below, like described above
// NOTE: all rows except last must have comma "," at the end of line
$LOGIN_INFORMATION = array(
'root0',
'root1'
);
// request login? true - show login and password boxes, false - password box only
define('USE_USERNAME', false);
// User will be redirected to this page after logout
define('LOGOUT_URL', 'http://www.bnatyam.com/signupthanks.php');
// time out after NN minutes of inactivity. Set to 0 to not timeout
define('TIMEOUT_MINUTES', 1);
// This parameter is only useful when TIMEOUT_MINUTES is not zero
// true - timeout time from last activity, false - timeout time from login
define('TIMEOUT_CHECK_ACTIVITY', false);
##################################################################
# SETTINGS END
##################################################################
///////////////////////////////////////////////////////
// do not change code below
///////////////////////////////////////////////////////
// show usage example
if(isset($_GET['help'])) {
die('Include following code into every page you would like to protect, at the very beginning (first line):<br><?php include("' . str_replace('\\','\\\\',__FILE__) . '"); ?>');
}
// timeout in seconds
$timeout = (TIMEOUT_MINUTES == 0 ? 0 : time() + TIMEOUT_MINUTES * 60);
// logout?
if(isset($_GET['logout'])) {
setcookie("verify", '', $timeout, '/'); // clear password;
header('Location: ' . LOGOUT_URL);
exit();
}
if(!function_exists('showLoginPasswordProtect')) {
// show login form
function showLoginPasswordProtect($error_msg) {
?>
<?php include('includes/top.php');
$pageName = basename($_SERVER['SCRIPT_NAME'], ".php");?>
<body id="<?php echo $pageName; ?>">
<!-- wrap starts here -->
<div id="wrap">
<div id="header"><!--header -->
<?php include('includes/nav.php'); ?>
</div> <!--header ends-->
<!-- content-wrap starts -->
<div id="content-wrap">
<div id="main">
<?php include('includes/pw-form.php');?>
<!-- main ends -->
</div>
<!-- sidebar starts -->
<!-- content-wrap ends-->
</div>
<!-- footer starts here -->
<?php include('includes/footer.php'); ?>
<!-- footer ends here -->
<!-- wrap ends here -->
</body>
</html>
<?php
// stop at this point
die();
}
}
// user provided password
if (isset($_POST['access_password'])) {
$login = isset($_POST['access_login']) ? $_POST['access_login'] : '';
$pass = $_POST['access_password'];
if (!USE_USERNAME && !in_array($pass, $LOGIN_INFORMATION)
|| (USE_USERNAME && ( !array_key_exists($login, $LOGIN_INFORMATION) || $LOGIN_INFORMATION[$login] != $pass ) )
) {
showLoginPasswordProtect("Incorrect password.");
}
else {
// set cookie if password was validated
setcookie("verify", md5($login.'%'.$pass), $timeout, '/');
// Some programs (like Form1 Bilder) check $_POST array to see if parameters passed
// So need to clear password protector variables
unset($_POST['access_login']);
unset($_POST['access_password']);
unset($_POST['Submit']);
//Add AD custom code here
$file = "private2/MaangiMaineKhushiyan-BNatyam.mp3";
if (file_exists($file)) {
header('Content-Description: File Transfer');
header('Content-Type: application/octet-stream');
header("Content-Type: application/force-download");
header('Content-Disposition: attachment; filename=' . urlencode(basename($file)));
header('Content-Transfer-Encoding: binary');
header('Expires: 0');
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
header('Pragma: public');
header('Content-Length: ' . filesize($file));
ob_clean();
flush();
readfile($file);
if ($pass==$LOGIN_INFORMATION[0]) {
$hit_count = @file_get_contents('countmsy.txt'); // read the hit count from file
$hit_count++; // increment the hit count by 1
@file_put_contents('countmsy.txt', $hit_count);} // store the new hit count
if ($pass==$LOGIN_INFORMATION[1]) {
$hit_count = @file_get_contents('countsurvey.txt');
// echo $hit_count; // display the hit count
$hit_count++; // increment the hit count by 1
@file_put_contents('countsurvey.txt', $hit_count); // store the new hit count
}
header("Location: signupthanks.php"); //this statement does NOT seem to work
exit;}
}
}
else {
// check if password cookie is set
if (!isset($_COOKIE['verify'])) {
showLoginPasswordProtect("");
}
// check if cookie is good
$found = false;
foreach($LOGIN_INFORMATION as $key=>$val) {
$lp = (USE_USERNAME ? $key : '') .'%'.$val;
if ($_COOKIE['verify'] == md5($lp)) {
$found = true;
// prolong timeout
if (TIMEOUT_CHECK_ACTIVITY) {
setcookie("verify", md5($lp), $timeout, '/');
}
break;
}
}
if (!$found) {
showLoginPasswordProtect("");
}
}
?>
第一个技巧可能有点愚蠢，是要使用
header('Location: http://www.bnatyam.com/signupthanks.php');
代替
header('Location: ' . LOGOUT_URL);
通常，重定向错误与某些输出相关。 重定向之前，请检查是否显示任何内容。
也许您应该让javascript进行重定向？
<script>
var redirect = 0;
var redirect = <?php echo redirect; ?> ;
if(redirect==1) {
window.location.href = "http://website.com/page";
}
</script>