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Php Programming Code Examples

Php > User Management Code Examples

Basic Security

Basic Security <?php // START FILE: security.php session_start(); $errorlogin = "Authentication Required"; // Text to display when login error $basicrealm = "Private Stuff"; // Displayed text on login form $authentication = Array (1=>Array("user1", "pass1"), // User and Pass for User-1 2=>Array("user2", "pass2"), // User and Pass for User-2 3=>Array("user3", "pass3"));// User and Pass for User-3 class security { var $authentication = Array(); var $errorlogin; var $basicrealm; function security() { global $authentication, $errorlogin, $basicrealm; $this->authentication = $authentication; $this->errorlogin = $errorlogin; $this->basicrealm = $basicrealm; } function secureMe() { global $_SESSION, $PHP_AUTH_USER, $PHP_AUTH_PW; if (trim($PHP_AUTH_USER)!=""&&trim($PHP_AUTH_PW)!="") { if($this->checkLogin($PHP_AUTH_USER, $PHP_AUTH_PW)) return true; } if (!$_SESSION||$_SESSION["passed"]!="") { $this->showLogin(); return false; } } function showLogin() { global $login_error, $realms; header('WWW-Authenticate: Basic realm='.$this->basicrealm); header('HTTP/1.0 401 Unauthorized'); print $this->errorlogin; exit(); } function checkLogin($username, $password) { for($i=0;$i<count($this->authentication);$i++) { if($username == $this->authentication[$i][0] && $password == $this->authentication[$i][1]) { $j++; } } if($j!=0) return true; } }; // END FILE: security.php ?> Put the line below on the top of the page you wish to secured. <?php require_once("./security.php"); $security = new security; if($security->secureMe()) $passed = "true"; session_register('passed'); ?>