只是为了知识的缘故,我想知道如何使用PHP登录注销认证的Dreamweaver内置功能?Dreamweaver PHP登录注销的安全性如何?
安全吗?
我总是使用会话,文章和许多东西来构建登录系统,但是当我使用Dreamweaver时,它非常简单并且似乎很安全。仍然需要专家的意见,我应该开始使用它还是传统的更好。我没有发现任何限制,只是想知道天气是否足够安全。
这里是一个Dreamweaver提供的代码: -
这是我的登录表单
<form action="<?php echo $loginFormAction; ?>" method="POST" target="_self">
<input name="ecsuser" class="form-login" title="Username" value="" size="30"
maxlength="2048" />
<input name="ecspass" type="password" class="form-login" title="Password"
value="" size="30" maxlength="2048" />
<?php if(!empty($ERRORMESSAGE)) echo '<div style="color:#FFF;
font-weight:bold;">'.$ERRORMESSAGE.'</div>'; ?>
<input name="" type="submit" value="" />
</form>
这是我的错误处理代码。
<?php
if (isset($_GET['ERRORMESSAGE']))
{
if($_GET['ERRORMESSAGE'] == 1)
{
global $ERRORMESSAGE;
$ERRORMESSAGE = "Sorry! The username or password is incorrect,
Please try again.";
}
}
?>
这是我进一步的代码
// Database Connection Include
<?php require_once('Connections/ecs.php'); ?>
<?php
if (!function_exists("GetSQLValueString")) {
function GetSQLValueString($theValue, $theType, $theDefinedValue = "", $theNotDefinedValue = "")
{
if (PHP_VERSION < 6) {
$theValue = get_magic_quotes_gpc() ? stripslashes($theValue) : $theValue;
}
$theValue = function_exists("mysql_real_escape_string") ? mysql_real_escape_string($theValue) : mysql_escape_string($theValue);
switch ($theType) {
case "text":
$theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
break;
case "long":
case "int":
$theValue = ($theValue != "") ? intval($theValue) : "NULL";
break;
case "double":
$theValue = ($theValue != "") ? doubleval($theValue) : "NULL";
break;
case "date":
$theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
break;
case "defined":
$theValue = ($theValue != "") ? $theDefinedValue : $theNotDefinedValue;
break;
}
return $theValue;
}
}
?>
<?php
// *** Validate request to login to this site.
if (!isset($_SESSION)) {
session_start();
}
$loginFormAction = $_SERVER['PHP_SELF'];
if (isset($_GET['accesscheck'])) {
$_SESSION['PrevUrl'] = $_GET['accesscheck'];
}
if (isset($_POST['ecsuser'])) {
$loginUsername=$_POST['ecsuser'];
$password=md5($_POST['ecspass']);
$MM_fldUserAuthorization = "";
$MM_redirectLoginSuccess = "index.php";
$MM_redirectLoginFailed = "login.php?ERRORMESSAGE=1";
$MM_redirecttoReferrer = false;
mysql_select_db($database_ecs, $ecs);
$LoginRS__query=sprintf("SELECT username, password FROM student WHERE username=%s AND password=%s",
GetSQLValueString($loginUsername, "text"), GetSQLValueString($password, "text"));
$LoginRS = mysql_query($LoginRS__query, $ecs) or die(mysql_error());
$loginFoundUser = mysql_num_rows($LoginRS);
if ($loginFoundUser) {
$loginStrGroup = "";
if (PHP_VERSION >= 5.1) {session_regenerate_id(true);} else {session_regenerate_id();}
//declare two session variables and assign them
$_SESSION['MM_Username'] = $loginUsername;
$_SESSION['MM_UserGroup'] = $loginStrGroup;
if (isset($_SESSION['PrevUrl']) && false) {
$MM_redirectLoginSuccess = $_SESSION['PrevUrl'];
}
header("Location: " . $MM_redirectLoginSuccess);
}
else {
header("Location: ". $MM_redirectLoginFailed);
}
}
?>
另外,我想知道,有什么我们需要建立一个有效的登录系统的所有其他安全措施并且上面的代码是完美的,没有任何安全问题。
如果链接和示例代码提供这将是非常有帮助,在此先感谢:) – 2012-03-13 07:52:09
https://wiki.mozilla.org/WebAppSec/Secure_Coding_Guidelines#Password_Storage – zuallauz 2012-03-13 08:10:26