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Register.php
<?php include('Core/init.inc.php'); if (isset($_POST['username'], $_POST['password'], $_POST['repeat_password'])) { if (empty($_POST['username'])){ $errors[] = 'The username cannot be empty.'; } if (empty($_POST['password']) || empty($_POST['repeat_password'])){ $errors[] = 'The password cannot be empty.'; } if ($_POST['password'] !== $_POST['repeat_password']){ $errors[] = 'Password verfication failed.'; } if (user_exists($_POST['username'])){ $errors[] = 'The username you enetered is already taken.'; } if (empty($errors) == false){ add_user($_POST['username'], $_POST['password']); $_SESSION['username'] = htmlentities($_POST['username']); header('Location: protected.php'); die(); } } ?> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title></title> <link href="Ext/Css/style.css" type="text/css" rel="stylesheet"> </head> <body> <div> <?php if (empty($errors) === false){ ?> <ul> <?php foreach($errors as $error){ echo"<li>{$error}</li>"; } ?> </ul> <?php } ?> </div> <form action="" method="post"> <p> <label for="username">Username:</label> <input type="text" name="username" id="username" value="<?php if(isset($_POST['username'])) echo htmlentities ($_POST['username']); ?>"/> </p> <p> <label for="username">Password:</label> <input type="password" name="password" id="password"/> </p> <p> <label for="username">Repeat Password:</label> <input type="password" name="repeat_password" id="repeat_password"/> </p> <p> <input type="submit" value="Register" /> </p> </form> </body> </html>login.php
<?php include('Core/init.inc.php'); $errors = array (); if(isset($_POST['username'], $_POST['password'])){ if (empty($_POST['username'])){ $errors[] = 'The username cannot be empty.'; } if (empty($_POST['password'])){ $errors[] = 'The password cannot be empty.'; } if (valid_credentials($_POST['username'],sha1($_POST['password']))=== false){ $errors[] = 'Username/Password incorect.'; } if (empty($errors)){ if (isset($_POST['set_cookie']) && $_POST['set_cookie'] =='1'){ set_cookie('username', $_POST['username'], time()+604800); set_cookie('password', sha1($_POST['password']), time()+604800); } $_SESSION['username'] = htmlentities($_POST['username']); header('Location:protected.php'); die(); } } ?> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title></title> <link href="Ext/Css/style.css" type="text/css" rel="stylesheet"> </head> <body> <div> <?php if (empty($errors) === false){ ?> <ul> <?php foreach ($errors as $error){ echo "<il>{$error}</il>"; } ?> </ul> <?php }else{ echo 'Need an account? <a href="register.php">Register here</a>'; } ?> </div> <form action="" method="post"> <p> <label for="username">Username:</label> <input type="text" name="username" id="username" value="<?php if(isset($_POST['username'])) echo htmlentities ($_POST['username']); ?>"/> </p> <p> <label for="username">Password:</label> <input type="text" name="password" id="password"/> </p> <p> <label for="set_cookie">Remeber Me:</label> <input type="checkbox" name="set_cookie" id="set_cookie" value="1"/> </p> <p> <input type="submit" value="Login"> </p> </form> </body> </html>