PHP网页安全认证的实例详解
2018-09-07 13:35
PHP网页安全认证的实例详解
不基于数据库：
<?php //unset($_SERVER[PHP_AUTH_USER]); $strAuthUser= $_SERVER[PHP_AUTH_USER]; $strAuthPass= $_SERVER[PHP_AUTH_PW]; if (! ($strAuthUser == a && $strAuthPass == a)) { header(用户验证!!; exit; } else { echo 验证通过; header(location:
基于数据库：
<?php function authenticate_user() { header(WWW-Authenticate: Basic realm=Secret Stash); header(HTTP/1.0 401 Unauthorized); exit; } if (! isset($_SERVER[PHP_AUTH_USER])) { authenticate_user(); } else { mysql_pconnect(localhost,authenticator,secret) or die(Cant connect to database server!); mysql_select_db(java2s) or die(Cant select authentication database!); $query = SELECT username, pswd FROM user WHERE username=$_SERVER[PHP_AUTH_USER] AND pswd=MD5($_SERVER[PHP_AUTH_PW]); $result = mysql_query($query); // If nothing was found, reprompt the user for the login information. if (mysql_num_rows($result) == 0) { authenticate_user(); } } ?>
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