element.
* @param string $message Optional. Message to display in header.
* @param WP_Error $wp_error Optional. WordPress Error Object
*/
function login_header($title = 'Log In', $message = '', $wp_error = '') {
global $error, $is_iphone;
// Don't index any of these forms
add_filter( 'pre_option_blog_public', create_function( '$a', 'return 0;' ) );
add_action( 'login_head', 'noindex' );
if ( empty($wp_error) )
$wp_error = new WP_Error();
?>
>
add('error', $error);
unset($error);
}
if ( $wp_error->get_error_code() ) {
$errors = '';
$messages = '';
foreach ( $wp_error->get_error_codes() as $code ) {
$severity = $wp_error->get_error_data($code);
foreach ( $wp_error->get_error_messages($code) as $error ) {
if ( 'message' == $severity )
$messages .= ' ' . $error . "
\n";
else
$errors .= ' ' . $error . "
\n";
}
}
if ( !empty($errors) )
echo '
' . apply_filters('login_errors', $errors) . "
\n";
if ( !empty($messages) )
echo '
' . apply_filters('login_messages', $messages) . "
\n";
}
} // End of login_header()
/**
* Handles sending password retrieval email to user.
*
* @uses $wpdb WordPress Database object
*
* @return bool|WP_Error True: when finish. WP_Error on error
*/
function retrieve_password() {
global $wpdb;
$errors = new WP_Error();
if ( empty( $_POST['user_login'] ) && empty( $_POST['user_email'] ) )
$errors->add('empty_username', __('
ERROR: Enter a username or e-mail address.'));
if ( strpos($_POST['user_login'], '@') ) {
$user_data = get_user_by_email(trim($_POST['user_login']));
if ( empty($user_data) )
$errors->add('invalid_email', __('
ERROR: There is no user registered with that email address.'));
} else {
$login = trim($_POST['user_login']);
$user_data = get_userdatabylogin($login);
}
do_action('lostpassword_post');
if ( $errors->get_error_code() )
return $errors;
if ( !$user_data ) {
$errors->add('invalidcombo', __('
ERROR: Invalid username or e-mail.'));
return $errors;
}
// redefining user_login ensures we return the right case in the email
$user_login = $user_data->user_login;
$user_email = $user_data->user_email;
do_action('retreive_password', $user_login); // Misspelled and deprecated
do_action('retrieve_password', $user_login);
$allow = apply_filters('allow_password_reset', true, $user_data->ID);
if ( ! $allow )
return new WP_Error('no_password_reset', __('Password reset is not allowed for this user'));
else if ( is_wp_error($allow) )
return $allow;
$key = $wpdb->get_var($wpdb->prepare("SELECT user_activation_key FROM $wpdb->users WHERE user_login = %s", $user_login));
if ( empty($key) ) {
// Generate something random for a key...
$key = wp_generate_password(20, false);
do_action('retrieve_password_key', $user_login, $key);
// Now insert the new md5 key into the db
$wpdb->update($wpdb->users, array('user_activation_key' => $key), array('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";
$message .= site_url("wp-login.php?action=rp&key=$key&login=" . rawurlencode($user_login), 'login') . "\r\n";
$title = sprintf(__('[%s] Password Reset'), get_option('blogname'));
$title = apply_filters('retrieve_password_title', $title);
$message = apply_filters('retrieve_password_message', $message, $key);
if ( $message && !wp_mail($user_email, $title, $message) )
die('
' . __('The e-mail could not be sent.') . "
\n" . __('Possible reason: your host may have disabled the mail() function...') . '
');
return true;
}
/**
* Handles resetting the user's password.
*
* @uses $wpdb WordPress Database object
*
* @param string $key Hash to validate sending user's password
* @return bool|WP_Error
*/
function reset_password($key, $login) {
global $wpdb;
$key = preg_replace('/[^a-z0-9]/i', '', $key);
if ( empty( $key ) || !is_string( $key ) )
return new WP_Error('invalid_key', __('Invalid key'));
if ( empty($login) || !is_string($login) )
return new WP_Error('invalid_key', __('Invalid key'));
$user = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->users WHERE user_activation_key = %s AND user_login = %s", $key, $login));
if ( empty( $user ) )
return new WP_Error('invalid_key', __('Invalid key'));
// Generate something random for a password...
$new_pass = wp_generate_password();
do_action('password_reset', $user, $new_pass);
wp_set_password($new_pass, $user->ID);
update_usermeta($user->ID, 'default_password_nag', true); //Set up the Password change nag.
$message = sprintf(__('Username: %s'), $user->user_login) . "\r\n";
$message .= sprintf(__('Password: %s'), $new_pass) . "\r\n";
$message .= site_url('wp-login.php', 'login') . "\r\n";
$title = sprintf(__('[%s] Your new password'), get_option('blogname'));
$title = apply_filters('password_reset_title', $title);
$message = apply_filters('password_reset_message', $message, $new_pass);
if ( $message && !wp_mail($user->user_email, $title, $message) )
die('
' . __('The e-mail could not be sent.') . "
\n" . __('Possible reason: your host may have disabled the mail() function...') . '
');
wp_password_change_notification($user);
return true;
}
/**
* Handles registering a new user.
*
* @param string $user_login User's username for logging in
* @param string $user_email User's email address to send password and add
* @return int|WP_Error Either user's ID or error on failure.
*/
function register_new_user($user_login, $user_email) {
$errors = new WP_Error();
$user_login = sanitize_user( $user_login );
$user_email = apply_filters( 'user_registration_email', $user_email );
// Check the username
if ( $user_login == '' )
$errors->add('empty_username', __('
ERROR: Please enter a username.'));
elseif ( !validate_username( $user_login ) ) {
$errors->add('invalid_username', __('
ERROR: This username is invalid. Please enter a valid username.'));
$user_login = '';
} elseif ( username_exists( $user_login ) )
$errors->add('username_exists', __('
ERROR: This username is already registered, please choose another one.'));
// Check the e-mail address
if ($user_email == '') {
$errors->add('empty_email', __('
ERROR: Please type your e-mail address.'));
} elseif ( !is_email( $user_email ) ) {
$errors->add('invalid_email', __('
ERROR: The email address isn’t correct.'));
$user_email = '';
} elseif ( email_exists( $user_email ) )
$errors->add('email_exists', __('
ERROR: This email is already registered, please choose another one.'));
do_action('register_post', $user_login, $user_email, $errors);
$errors = apply_filters( 'registration_errors', $errors );
if ( $errors->get_error_code() )
return $errors;
$user_pass = wp_generate_password();
$user_id = wp_create_user( $user_login, $user_pass, $user_email );
if ( !$user_id ) {
$errors->add('registerfail', sprintf(__('
ERROR: Couldn’t register you... please contact the
webmaster !'), get_option('admin_email')));
return $errors;
}
wp_new_user_notification($user_id, $user_pass);
return $user_id;
}
//
// Main
//
$action = isset($_REQUEST['action']) ? $_REQUEST['action'] : 'login';
$errors = new WP_Error();
if ( isset($_GET['key']) )
$action = 'resetpass';
// validate action so as to default to the login screen
if ( !in_array($action, array('logout', 'lostpassword', 'retrievepassword', 'resetpass', 'rp', 'register', 'login')) && false === has_filter('login_form_' . $action) )
$action = 'login';
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']) );
}
//Set a cookie now to see if they are supported by the browser.
setcookie(TEST_COOKIE, 'WP Cookie check', 0, COOKIEPATH, COOKIE_DOMAIN);
if ( SITECOOKIEPATH != COOKIEPATH )
setcookie(TEST_COOKIE, 'WP Cookie check', 0, SITECOOKIEPATH, COOKIE_DOMAIN);
// allow plugins to override the default actions, and to add extra actions if they want
do_action('login_form_' . $action);
$http_post = ('POST' == $_SERVER['REQUEST_METHOD']);
switch ($action) {
case 'logout' :
check_admin_referer('log-out');
wp_logout();
$redirect_to = 'wp-login.php?loggedout=true';
if ( isset( $_REQUEST['redirect_to'] ) )
$redirect_to = $_REQUEST['redirect_to'];
wp_safe_redirect($redirect_to);
exit();
break;
case 'lostpassword' :
case 'retrievepassword' :
if ( $http_post ) {
$errors = retrieve_password();
if ( !is_wp_error($errors) ) {
wp_redirect('wp-login.php?checkemail=confirm');
exit();
}
}
if ( isset($_GET['error']) && 'invalidkey' == $_GET['error'] ) $errors->add('invalidkey', __('Sorry, that key does not appear to be valid.'));
do_action('lost_password');
login_header(__('Lost Password'), '
' . __('Please enter your username or e-mail address. You will receive a new password via e-mail.') . '
', $errors);
$user_login = isset($_POST['user_login']) ? stripslashes($_POST['user_login']) : '';
?>
|