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Wordpress/wp-login.php

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<?php
require( dirname(__FILE__) . '/wp-config.php' );
$action = $_REQUEST['action'];
$errors = array();
if ( isset($_GET['key']) )
$action = 'resetpass';
nocache_headers();
header('Content-Type: '.get_bloginfo('html_type').'; charset='.get_bloginfo('charset'));
if ( defined('RELOCATE') ) { // Move flag is set
if ( isset( $_SERVER['PATH_INFO'] ) && ($_SERVER['PATH_INFO'] != $_SERVER['PHP_SELF']) )
$_SERVER['PHP_SELF'] = str_replace( $_SERVER['PATH_INFO'], '', $_SERVER['PHP_SELF'] );
$schema = ( isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) == 'on' ) ? 'https://' : 'http://';
if ( dirname($schema . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF']) != get_option('siteurl') )
update_option('siteurl', dirname($schema . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF']) );
}
// Rather than duplicating this HTML all over the place, we'll stick it in function
function login_header($title = 'Login', $message = '') {
global $errors, $error, $wp_locale;
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" <?php language_attributes(); ?>>
<head>
<title><?php bloginfo('name'); ?> &rsaquo; <?php echo $title; ?></title>
<meta http-equiv="Content-Type" content="<?php bloginfo('html_type'); ?>; charset=<?php bloginfo('charset'); ?>" />
<?php wp_admin_css(); ?>
<!--[if IE]><style type="text/css">#login h1 a { margin-top: 35px; } #login #login_error { margin-bottom: 10px; }</style><![endif]--><!-- Curse you, IE! -->
<script type="text/javascript">
function focusit() {
document.getElementById('user_login').focus();
}
window.onload = focusit;
</script>
<?php do_action('login_head'); ?>
</head>
<body class="login">
<div id="login"><h1><a href="<?php echo apply_filters('login_headerurl', 'http://wordpress.org/'); ?>" title="<?php echo apply_filters('login_headertitle', __('Powered by WordPress')); ?>"><?php bloginfo('name'); ?></a></h1>
<?php
if ( !empty( $message ) ) echo apply_filters('login_message', $message) . "\n";
// Incase a plugin uses $error rather than the $errors array
if ( !empty( $error ) ) {
$errors['error'] = $error;
unset($error);
}
if ( !empty( $errors ) ) {
if ( is_array( $errors ) ) {
$newerrors = "\n";
foreach ( $errors as $error ) $newerrors .= ' ' . $error . "<br />\n";
$errors = $newerrors;
}
echo '<div id="login_error">' . apply_filters('login_errors', $errors) . "</div>\n";
}
} // End of login_header()
switch ($action) {
case 'logout' :
wp_clearcookie();
do_action('wp_logout');
$redirect_to = 'wp-login.php?loggedout=true';
if ( isset( $_REQUEST['redirect_to'] ) )
$redirect_to = $_REQUEST['redirect_to'];
wp_redirect($redirect_to);
exit();
break;
case 'lostpassword' :
case 'retrievepassword' :
$user_login = '';
$user_pass = '';
if ( $_POST ) {
if ( empty( $_POST['user_login'] ) )
$errors['user_login'] = __('<strong>ERROR</strong>: The username field is empty.');
if ( empty( $_POST['user_email'] ) )
$errors['user_email'] = __('<strong>ERROR</strong>: The e-mail field is empty.');
do_action('lostpassword_post');
if ( empty( $errors ) ) {
$user_data = get_userdatabylogin(trim($_POST['user_login']));
// redefining user_login ensures we return the right case in the email
$user_login = $user_data->user_login;
$user_email = $user_data->user_email;
if (!$user_email || $user_email != $_POST['user_email']) {
$errors['invalidcombo'] = __('<strong>ERROR</strong>: Invalid username / e-mail combination.');
} else {
do_action('retreive_password', $user_login); // Misspelled and deprecated
do_action('retrieve_password', $user_login);
// Generate something random for a password... md5'ing current time with a rand salt
$key = substr( md5( uniqid( microtime() ) ), 0, 8);
// Now insert the new pass md5'd into the db
$wpdb->query("UPDATE $wpdb->users SET user_activation_key = '$key' WHERE user_login = '$user_login'");
$message = __('Someone has asked to reset the password for the following site and username.') . "\r\n\r\n";
$message .= get_option('siteurl') . "\r\n\r\n";
$message .= sprintf(__('Username: %s'), $user_login) . "\r\n\r\n";
$message .= __('To reset your password visit the following address, otherwise just ignore this email and nothing will happen.') . "\r\n\r\n";
$message .= get_option('siteurl') . "/wp-login.php?action=rp&key=$key\r\n";
if (FALSE == wp_mail($user_email, sprintf(__('[%s] Password Reset'), get_option('blogname')), $message)) {
die('<p>' . __('The e-mail could not be sent.') . "<br />\n" . __('Possible reason: your host may have disabled the mail() function...') . '</p>');
} else {
wp_redirect('wp-login.php?checkemail=confirm');
exit();
}
}
}
}
if ( 'invalidkey' == $_GET['error'] ) $errors['invalidkey'] = __('Sorry, that key does not appear to be valid.');
do_action('lost_password');
login_header(__('Lost Password'), '<p class="message">' . __('Please enter your username and e-mail address. You will receive a new password via e-mail.') . '</p>');
?>
<form name="lostpasswordform" id="lostpasswordform" action="wp-login.php?action=lostpassword" method="post">
<p>
<label><?php _e('Username:') ?><br />
<input type="text" name="user_login" id="user_login" class="input" value="<?php echo attribute_escape(stripslashes($_POST['user_login'])); ?>" size="20" tabindex="10" /></label>
</p>
<p>
<label><?php _e('E-mail:') ?><br />
<input type="text" name="user_email" id="user_email" class="input" value="<?php echo attribute_escape(stripslashes($_POST['user_email'])); ?>" size="25" tabindex="20" /></label>
</p>
<?php do_action('lostpassword_form'); ?>
<p class="submit"><input type="submit" name="wp-submit" id="wp-submit" value="<?php _e('Get New Password &raquo;'); ?>" tabindex="100" /></p>
</form>
</div>
<ul>
<?php if (get_option('users_can_register')) : ?>
<li><a href="<?php bloginfo('wpurl'); ?>/wp-login.php"><?php _e('Login') ?></a></li>
<li><a href="<?php bloginfo('wpurl'); ?>/wp-login.php?action=register"><?php _e('Register') ?></a></li>
<li><a href="<?php bloginfo('url'); ?>/" title="<?php _e('Are you lost?') ?>"><?php printf(__('Back to %s'), get_bloginfo('title')); ?></a></li>
<?php else : ?>
<li><a href="<?php bloginfo('url'); ?>/" title="<?php _e('Are you lost?') ?>"><?php printf(__('Back to %s'), get_bloginfo('title')); ?></a></li>
<li><a href="<?php bloginfo('wpurl'); ?>/wp-login.php"><?php _e('Login') ?></a></li>
<?php endif; ?>
</ul>
</body>
</html>
<?php
break;
case 'resetpass' :
case 'rp' :
$key = preg_replace('/[^a-z0-9]/i', '', $_GET['key']);
if ( empty( $key ) ) {
wp_redirect('wp-login.php?action=lostpassword&error=invalidkey');
exit();
}
$user = $wpdb->get_row("SELECT * FROM $wpdb->users WHERE user_activation_key = '$key'");
if ( empty( $user ) ) {
wp_redirect('wp-login.php?action=lostpassword&error=invalidkey');
exit();
}
do_action('password_reset');
// Generate something random for a password... md5'ing current time with a rand salt
$new_pass = substr( md5( uniqid( microtime() ) ), 0, 7);
$wpdb->query("UPDATE $wpdb->users SET user_pass = MD5('$new_pass'), user_activation_key = '' WHERE user_login = '$user->user_login'");
wp_cache_delete($user->ID, 'users');
wp_cache_delete($user->user_login, 'userlogins');
$message = sprintf(__('Username: %s'), $user->user_login) . "\r\n";
$message .= sprintf(__('Password: %s'), $new_pass) . "\r\n";
$message .= get_option('siteurl') . "/wp-login.php\r\n";
if (FALSE == wp_mail($user->user_email, sprintf(__('[%s] Your new password'), get_option('blogname')), $message)) {
die('<p>' . __('The e-mail could not be sent.') . "<br />\n" . __('Possible reason: your host may have disabled the mail() function...') . '</p>');
} else {
// send a copy of password change notification to the admin
// but check to see if it's the admin whose password we're changing, and skip this
if ($user->user_email != get_option('admin_email')) {
$message = sprintf(__('Password Lost and Changed for user: %s'), $user->user_login) . "\r\n";
wp_mail(get_option('admin_email'), sprintf(__('[%s] Password Lost/Changed'), get_option('blogname')), $message);
}
wp_redirect('wp-login.php?checkemail=newpass');
exit();
}
break;
case 'register' :
if ( FALSE == get_option('users_can_register') ) {
wp_redirect('wp-login.php?registration=disabled');
exit();
}
if ( $_POST ) {
require_once( ABSPATH . WPINC . '/registration.php');
$user_login = sanitize_user( $_POST['user_login'] );
$user_email = apply_filters( 'user_registration_email', $_POST['user_email'] );
// Check the username
if ( $user_login == '' )
$errors['user_login'] = __('<strong>ERROR</strong>: Please enter a username.');
elseif ( !validate_username( $user_login ) ) {
$errors['user_login'] = __('<strong>ERROR</strong>: This username is invalid. Please enter a valid username.');
$user_login = '';
} elseif ( username_exists( $user_login ) )
$errors['user_login'] = __('<strong>ERROR</strong>: This username is already registered, please choose another one.');
// Check the e-mail address
if ($user_email == '') {
$errors['user_email'] = __('<strong>ERROR</strong>: Please type your e-mail address.');
} elseif ( !is_email( $user_email ) ) {
$errors['user_email'] = __('<strong>ERROR</strong>: The email address isn&#8217;t correct.');
$user_email = '';
} elseif ( email_exists( $user_email ) )
$errors['user_email'] = __('<strong>ERROR</strong>: This email is already registered, please choose another one.');
do_action('register_post');
$errors = apply_filters( 'registration_errors', $errors );
if ( empty( $errors ) ) {
$user_pass = substr( md5( uniqid( microtime() ) ), 0, 7);
$user_id = wp_create_user( $user_login, $user_pass, $user_email );
if ( !$user_id )
$errors['registerfail'] = sprintf(__('<strong>ERROR</strong>: Couldn&#8217;t register you... please contact the <a href="mailto:%s">webmaster</a> !'), get_option('admin_email'));
else {
wp_new_user_notification($user_id, $user_pass);
wp_redirect('wp-login.php?checkemail=registered');
exit();
}
}
}
login_header(__('Registration Form'), '<p class="message register">' . __('Register For This Site') . '</p>');
?>
<form name="registerform" id="registerform" action="wp-login.php?action=register" method="post">
<p>
<label><?php _e('Username:') ?><br />
<input type="text" name="user_login" id="user_login" class="input" value="<?php echo attribute_escape(stripslashes($user_login)); ?>" size="20" tabindex="10" /></label>
</p>
<p>
<label><?php _e('E-mail:') ?><br />
<input type="text" name="user_email" id="user_email" class="input" value="<?php echo attribute_escape(stripslashes($user_email)); ?>" size="25" tabindex="20" /></label>
</p>
<?php do_action('register_form'); ?>
<p id="reg_passmail"><?php _e('A password will be e-mailed to you.') ?></p>
<p class="submit"><input type="submit" name="wp-submit" id="wp-submit" value="<?php _e('Register &raquo;'); ?>" tabindex="100" /></p>
</form>
</div>
<ul>
<li><a href="<?php bloginfo('wpurl'); ?>/wp-login.php"><?php _e('Login') ?></a></li>
<li><a href="<?php bloginfo('wpurl'); ?>/wp-login.php?action=lostpassword" title="<?php _e('Password Lost and Found') ?>"><?php _e('Lost your password?') ?></a></li>
<li><a href="<?php bloginfo('url'); ?>/" title="<?php _e('Are you lost?') ?>"><?php printf(__('Back to %s'), get_bloginfo('title')); ?></a></li>
</ul>
</body>
</html>
<?php
break;
case 'login' :
default:
$user_login = '';
$user_pass = '';
$using_cookie = FALSE;
if ( !isset( $_REQUEST['redirect_to'] ) || is_user_logged_in() )
$redirect_to = 'wp-admin/';
else
$redirect_to = $_REQUEST['redirect_to'];
if ( $_POST ) {
$user_login = $_POST['log'];
$user_login = sanitize_user( $user_login );
$user_pass = $_POST['pwd'];
$rememberme = $_POST['rememberme'];
} else {
$cookie_login = wp_get_cookie_login();
if ( ! empty($cookie_login) ) {
$using_cookie = true;
$user_login = $cookie_login['login'];
$user_pass = $cookie_login['password'];
}
}
do_action_ref_array('wp_authenticate', array(&$user_login, &$user_pass));
if ( $user_login && $user_pass && empty( $errors ) ) {
$user = new WP_User(0, $user_login);
// If the user can't edit posts, send them to their profile.
if ( !$user->has_cap('edit_posts') && ( empty( $redirect_to ) || $redirect_to == 'wp-admin/' ) )
$redirect_to = get_option('siteurl') . '/wp-admin/profile.php';
if ( wp_login($user_login, $user_pass, $using_cookie) ) {
if ( !$using_cookie )
wp_setcookie($user_login, $user_pass, false, '', '', $rememberme);
do_action('wp_login', $user_login);
wp_redirect($redirect_to);
exit();
} else {
if ( $using_cookie )
$errors['expiredsession'] = __('Your session has expired.');
}
}
if ( $_POST && empty( $user_login ) )
$errors['user_login'] = __('<strong>ERROR</strong>: The username field is empty.');
if ( $_POST && empty( $user_pass ) )
$errors['user_pass'] = __('<strong>ERROR</strong>: The password field is empty.');
// Some parts of this script use the main login form to display a message
if ( TRUE == $_GET['loggedout'] ) $errors['loggedout'] = __('Successfully logged you out.');
elseif ( 'disabled' == $_GET['registration'] ) $errors['registerdiabled'] = __('User registration is currently not allowed.');
elseif ( 'confirm' == $_GET['checkemail'] ) $errors['confirm'] = __('Check your e-mail for the confirmation link.');
elseif ( 'newpass' == $_GET['checkemail'] ) $errors['newpass'] = __('Check your e-mail for your new password.');
elseif ( 'registered' == $_GET['checkemail'] ) $errors['registered'] = __('Registration complete. Please check your e-mail.');
login_header(__('Login'));
?>
<form name="loginform" id="loginform" action="wp-login.php" method="post">
<?php if ( !in_array( $_GET['checkemail'], array('confirm', 'newpass') ) ) : ?>
<p>
<label><?php _e('Username:') ?><br />
<input type="text" name="log" id="user_login" class="input" value="<?php echo attribute_escape(stripslashes($user_login)); ?>" size="20" tabindex="10" /></label>
</p>
<p>
<label><?php _e('Password:') ?><br />
<input type="password" name="pwd" id="user_pass" class="input" value="" size="20" tabindex="20" /></label>
</p>
<?php do_action('login_form'); ?>
<p><label><input name="rememberme" type="checkbox" id="rememberme" value="forever" tabindex="90" /> <?php _e('Remember me'); ?></label></p>
<p class="submit">
<input type="submit" name="wp-submit" id="wp-submit" value="<?php _e('Login'); ?> &raquo;" tabindex="100" />
<input type="hidden" name="redirect_to" value="<?php echo attribute_escape($redirect_to); ?>" />
</p>
<?php else : ?>
<p>&nbsp;</p>
<?php endif; ?>
</form>
</div>
<ul>
<?php if ( in_array( $_GET['checkemail'], array('confirm', 'newpass') ) ) : ?>
<li><a href="<?php bloginfo('url'); ?>/" title="<?php _e('Are you lost?') ?>"><?php printf(__('Back to %s'), get_bloginfo('title')); ?></a></li>
<?php elseif (get_option('users_can_register')) : ?>
<li><a href="<?php bloginfo('wpurl'); ?>/wp-login.php?action=register"><?php _e('Register') ?></a></li>
<li><a href="<?php bloginfo('wpurl'); ?>/wp-login.php?action=lostpassword" title="<?php _e('Password Lost and Found') ?>"><?php _e('Lost your password?') ?></a></li>
<li><a href="<?php bloginfo('url'); ?>/" title="<?php _e('Are you lost?') ?>"><?php printf(__('Back to %s'), get_bloginfo('title')); ?></a></li>
<?php else : ?>
<li><a href="<?php bloginfo('url'); ?>/" title="<?php _e('Are you lost?') ?>"><?php printf(__('Back to %s'), get_bloginfo('title')); ?></a></li>
<li><a href="<?php bloginfo('wpurl'); ?>/wp-login.php?action=lostpassword" title="<?php _e('Password Lost and Found') ?>"><?php _e('Lost your password?') ?></a></li>
<?php endif; ?>
</ul>
</body>
</html>
<?php
break;
} // end action switch
?>
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