Authy two-factor authentication to WordPress.
* Author: Authy Inc
* Version: 2.1
* Author URI: https://www.authy.com
* License: GPL2+
* Text Domain: authy
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
require_once 'helpers.php';
class Authy {
/**
* Class variables
*/
// Oh look, a singleton
private static $__instance = null;
// Some plugin info
protected $name = 'Authy Two-Factor Authentication';
// Parsed settings
private $settings = null;
// Is API ready, should plugin act?
protected $ready = false;
// Authy API
protected $api = null;
protected $api_key = null;
protected $api_endpoint = null;
// Interface keys
protected $settings_page = 'authy';
protected $users_page = 'authy-user';
// Data storage keys
protected $settings_key = 'authy';
protected $users_key = 'authy_user';
protected $signature_key = 'user_signature';
protected $authy_data_temp_key = 'authy_data_temp';
// Settings field placeholders
protected $settings_fields = array();
protected $settings_field_defaults = array(
'label' => null,
'type' => 'text',
'sanitizer' => 'sanitize_text_field',
'section' => 'default',
'class' => null,
);
// Default Authy data
protected $user_defaults = array(
'email' => null,
'phone' => null,
'country_code' => '+1',
'authy_id' => null,
'force_by_admin' => 'false',
);
/**
* Singleton implementation
*
* @uses this::setup
* @return object
*/
public static function instance() {
if( ! is_a( self::$__instance, 'Authy' ) ) {
self::$__instance = new Authy;
self::$__instance->setup();
}
return self::$__instance;
}
/**
* Silence is golden.
*/
private function __construct() {}
/**************************************************
* START WORDPRESS METHODS
**************************************************/
/**
* Plugin setup
*
* @uses this::register_settings_fields, this::prepare_api, add_action, add_filter
* @return null
*/
private function setup() {
require( 'authy-api.php' );
$this->register_settings_fields();
$this->prepare_api();
// Plugin settings
add_action( 'admin_init', array( $this, 'action_admin_init' ) );
add_action( 'admin_menu', array( $this, 'action_admin_menu' ) );
add_action( 'admin_enqueue_scripts', array( $this, 'action_admin_enqueue_scripts' ) );
add_filter( 'plugin_action_links', array( $this, 'filter_plugin_action_links' ), 10, 2 );
// Anything other than plugin configuration belongs in here.
if ( $this->ready ) {
// User settings
add_action( 'show_user_profile', array( $this, 'action_show_user_profile' ) );
add_action( 'edit_user_profile', array( $this, 'action_edit_user_profile' ) );
add_action( 'wp_ajax_' . $this->users_page, array( $this, 'get_user_modal_via_ajax' ) );
add_action( 'personal_options_update', array( $this, 'action_personal_options_update' ) );
add_action( 'edit_user_profile_update', array( $this, 'action_edit_user_profile_update' ) );
add_filter( 'user_profile_update_errors', array( $this, 'register_user_and_check_errors' ), 10, 3 );
// Authentication
add_filter( 'authenticate', array( $this, 'authenticate_user' ), 10, 3 );
// Disable XML-RPC
if ( $this->get_setting( 'disable_xmlrpc' ) ) {
add_filter( 'xmlrpc_enabled', '__return_false' );
}
// Display notices
add_action( 'admin_notices', array( $this, 'action_admin_notices' ) );
// Enable the user with no privileges to run action_request_sms() in AJAX
add_action( 'wp_ajax_nopriv_request_sms_ajax', array( $this, 'request_sms_ajax' ) );
add_action( 'wp_ajax_request_sms_ajax', array( $this, 'request_sms_ajax' ) );
}
}
/**
* Add settings fields for main plugin page
*
* @uses __
* @return null
*/
protected function register_settings_fields() {
$this->settings_fields = array(
array(
'name' => 'api_key_production',
'label' => __( 'Authy Production API Key', 'authy' ),
'type' => 'text',
'sanitizer' => 'alphanumeric',
),
array(
'name' => 'disable_xmlrpc',
'label' => __( "Disable external apps that don't support Two-factor Authentication", 'authy_wp' ),
'type' => 'checkbox',
'sanitizer' => null,
),
);
}
/**
* Set class variables regarding API
* Instantiates the Authy API class into $this->api
*
* @uses this::get_setting, Authy_WP_API::instance
*/
protected function prepare_api() {
$endpoints = array(
'production' => 'https://api.authy.com',
);
$api_key = $this->get_setting( 'api_key_production' );
// Only prepare the API endpoint if we have all information needed.
if ( $api_key && isset( $endpoints['production'] ) ) {
$this->api_key = $api_key;
$this->api_endpoint = $endpoints[ 'production' ];
$this->ready = true;
}
// Instantiate the API class
$this->api = Authy_API::instance( $this->api_key, $this->api_endpoint );
}
/**
* Register plugin's setting and validation callback
*
* @param action admin_init
* @uses register_setting
* @return null
*/
public function action_admin_init() {
register_setting( $this->settings_page, $this->settings_key, array( $this, 'validate_plugin_settings' ) );
register_setting( $this->settings_page, 'authy_roles', array( $this, 'select_only_system_roles' ) );
}
/**
* Register plugin settings page and page's sections
*
* @uses add_options_page, add_settings_section
* @action admin_menu
* @return null
*/
public function action_admin_menu() {
add_options_page( $this->name, 'Authy', 'manage_options', $this->settings_page, array( $this, 'plugin_settings_page' ) );
add_settings_section( 'default', '', array( $this, 'register_settings_page_sections' ), $this->settings_page );
}
/**
* Enqueue admin script for connection modal
*
* @uses get_current_screen, wp_enqueue_script, plugins_url, wp_localize_script, this::get_ajax_url, wp_enqueue_style
* @action admin_enqueue_scripts
* @return null
*/
public function action_admin_enqueue_scripts() {
if ( ! $this->ready ) {
return;
}
global $current_screen;
if ( $current_screen->base === 'profile' ) {
wp_enqueue_script( 'authy-profile', plugins_url( 'assets/authy-profile.js', __FILE__ ), array( 'jquery', 'thickbox' ), 1.01, true );
wp_enqueue_script( 'form-authy-js', 'https://www.authy.com/form.authy.min.js', array(), false, true );
wp_localize_script( 'authy-profile', 'Authy', array(
'ajax' => $this->get_ajax_url(),
'th_text' => __( 'Two-Factor Authentication', 'authy' ),
'button_text' => __( 'Enable/Disable Authy', 'authy' ),
) );
wp_enqueue_style( 'thickbox' );
wp_enqueue_style( 'form-authy-css', 'https://www.authy.com/form.authy.min.css', array(), false, 'screen' );
} elseif ( $current_screen->base === 'user-edit' ) {
wp_enqueue_script( 'form-authy-js', 'https://www.authy.com/form.authy.min.js', array(), false, true );
wp_enqueue_style( 'form-authy-css', 'https://www.authy.com/form.authy.min.css', array(), false, 'screen' );
}
}
/**
* Add settings link to plugin row actions
*
* @param array $links
* @param string $plugin_file
* @uses menu_page_url, __
* @filter plugin_action_links
* @return array
*/
public function filter_plugin_action_links( $links, $plugin_file ) {
if ( strpos( $plugin_file, pathinfo( __FILE__, PATHINFO_FILENAME ) ) !== false ) {
$links['settings'] = '' . __( 'Settings', 'authy' ) . '';
}
return $links;
}
/**
* Display an admin notice when the server doesn't installed a cert bundle.
*/
public function action_admin_notices() {
$response = $this->api->curl_ca_certificates();
if ( is_string( $response ) ) {
?>settings ) || ! is_array( $this->settings ) ) {
$this->settings = get_option( $this->settings_key );
$this->settings = wp_parse_args( $this->settings, array(
'api_key_production' => '',
'environment' => apply_filters( 'authy_environment', 'production' ),
'disable_xmlrpc' => false,
) );
}
if ( isset( $this->settings[ $key ] ) ) {
$value = $this->settings[ $key ];
}
return $value;
}
/**
* Build Ajax URL for users' connection management
*
* @uses add_query_arg, wp_create_nonce, admin_url
* @return string
*/
protected function get_ajax_url() {
return add_query_arg( array(
'action' => $this->users_page,
'nonce' => wp_create_nonce( $this->users_key . '_ajax' ),
), admin_url( 'admin-ajax.php' ) );
}
/**************************************************
* START AUTHY PLUGIN METHODS
**************************************************/
/**
* Check if Two factor authentication is available for role
* @param object $user
* @uses wp_roles, get_option
* @return boolean
*
*/
public function available_authy_for_role( $user ) {
global $wp_roles;
$wordpress_roles = $wp_roles->get_names();
$authy_roles = get_option( 'authy_roles', $wordpress_roles );
foreach ( $user->roles as $role ) {
if ( array_key_exists( $role, $authy_roles ) ) {
return true;
}
}
return false;
}
/**
* GENERAL OPTIONS PAGE
*/
/**
* Populate settings page's sections
*
* @uses add_settings_field
* @return null
*/
public function register_settings_page_sections() {
add_settings_field( 'api_key_production', __( 'Authy Production API Key', 'authy' ), array( $this, 'add_settings_api_key' ), $this->settings_page, 'default' );
add_settings_field( 'authy_roles', __( 'Allow Authy for the following roles', 'authy' ), array( $this, 'add_settings_for_roles' ), $this->settings_page, 'default' );
add_settings_field( 'disable_xmlrpc', __( "Disable external apps that don't support Two-factor Authentication", 'authy' ), array( $this, 'add_settings_disable_xmlrpc' ), $this->settings_page, 'default' );
}
/**
* Render settings api key
*
* @uses this::get_setting, esc_attr
* @return string
*/
public function add_settings_api_key() {
$value = $this->get_setting( 'api_key_production' );
?>
get_names();
$roles_to_list = array();
foreach ( $roles as $key => $role ) {
$roles_to_list[before_last_bar( $key )] = before_last_bar( $role );
}
$selected = get_option( 'authy_roles', $roles_to_list );
foreach ( $wp_roles->get_names() as $role ) {
$checked = in_array( before_last_bar( $role ), $selected );
$role_name = before_last_bar( $role );
// html block
?>
/>
get_setting( 'disable_xmlrpc' );
?>
ready ) :
$details = $this->api->application_details();
?>
%1$s and create an application for access to the Authy API.', 'authy' ), 'https://www.authy.com/' ); ?>
Application Details
plan === 'sandbox' ) { ?>
settings_page . '-options' );
$settings_validated = array();
foreach ( $this->settings_fields as $field ) {
$field = wp_parse_args( $field, $this->settings_field_defaults );
if ( ! isset( $settings[ $field['name'] ] ) ) {
continue;
}
if ( $field['type'] === "text" && $field['sanitizer'] === 'alphanumeric' ) {
$value = preg_replace( '#[^a-z0-9]#i', '', $settings[ $field['name' ] ] );
} else {
$value = sanitize_text_field( $settings[ $field['name'] ] );
}
if ( isset( $value ) && ! empty( $value ) ) {
$settings_validated[ $field['name'] ] = $value;
}
}
return $settings_validated;
}
/**
* Select the system roles present in $roles
* @param array $roles
* @uses $wp_roles
* @return array
*/
public function select_only_system_roles( $roles ) {
if ( !is_array( $roles ) || empty( $roles ) ) {
return array();
}
global $wp_roles;
$system_roles = $wp_roles->get_names();
foreach ( $roles as $role ) {
if ( !in_array( $roles, $system_roles ) ) {
unset( $roles[$role] );
}
}
return $roles;
}
/**
* USER SETTINGS PAGES
*/
/**
* Non-JS connection interface
*
* @param object $user
* @uses this::get_authy_data, esc_attr,
*/
public function action_show_user_profile( $user ) {
$meta = $this->get_authy_data( $user->ID );
if ( $this->user_has_authy_id( $user->ID ) ) {
if ( !$this->with_forced_by_admin( $user->ID ) ) {
?>
name ); ?>
users_key );
}
} elseif ( $this->available_authy_for_role( $user ) ) {
?>
name ); ?>
users_key, $meta );
}
}
/**
* USER INFORMATION FUNCTIONS
*/
public function register_authy_user( $user_params = array() ) {
foreach( array( "user_id", "email", "phone", "country_code", "force_by_admin" ) as $required_field ) {
if ( !isset( $user_params[$required_field] ) ) {
assert("Missing field : ".$required_field);
return false;
}
}
$response = $this->api->register_user( $user_params['email'], $user_params['phone'], $user_params['country_code'] );
if ( $response->user && $response->user->id ) {
$user_params["authy_id"] = $response->user->id;
return $this->set_authy_data( $user_params );
}
return false;
}
/**
* Add Authy data to a given user account
*
* @param int $user_id
* @param array $authy_data
* @uses this::user_has_authy_id, this::api::get_id, wp_parse_args, this::clear_authy_data, get_user_meta, update_user_meta
* @return null
*/
public function set_authy_data( $authy_data = array() ) {
if(!isset($authy_data["user_id"])) {
assert("Missing field : user_id");
return;
}
// Retrieve user's existing Authy ID
if ( $this->user_has_authy_id( $authy_data["user_id"] ) ) {
$authy_data["authy_id"] = $this->get_user_authy_id( $authy_data["user_id"] );
}
if(!isset($authy_data["authy_id"]) ) {
error_log("Authy id was not given when registering the user.");
return false;
}
$data = get_user_meta( $authy_data['user_id'], $this->users_key, true );
if ( ! is_array( $data ) ) {
$data = array();
}
$data_sanitized = array();
foreach ( array( 'email', 'phone', 'country_code', 'authy_id', 'force_by_admin' ) as $attr ) {
if ( isset( $authy_data[ $attr ] ) ) {
$data_sanitized[ $attr ] = $authy_data[ $attr ];
} elseif ( isset( $data[ $attr ] ) ) {
$data_sanitized[ $attr ] = $data[ $attr ];
}
}
$data_sanitized = wp_parse_args( $data_sanitized, $this->user_defaults );
$data[ $this->api_key ] = $data_sanitized;
update_user_meta( $authy_data['user_id'], $this->users_key, $data );
return true;
}
/**
* Retrieve a user's Authy data
*
* @param int $user_id
* @uses get_user_meta, wp_parse_args
* @return array
*/
protected function get_authy_data( $user_id ) {
// Bail without a valid user ID
if ( ! $user_id ) {
return $this->user_defaults;
}
// Get meta, which holds all Authy data by API key
$data = get_user_meta( $user_id, $this->users_key, true );
if ( ! is_array( $data ) ) {
$data = array();
}
// Return data for this API, if present, otherwise return default data
if ( array_key_exists( $this->api_key, $data ) ) {
return wp_parse_args( $data[ $this->api_key ], $this->user_defaults );
}
return $this->user_defaults;
}
/**
* Delete any stored Authy connections for the given user.
* Expected usage is somewhere where clearing is the known action.
*
* @param int $user_id
* @uses delete_user_meta
* @return null
*/
protected function clear_authy_data( $user_id ) {
delete_user_meta( $user_id, $this->users_key );
}
/**
* Check if a given user has an Authy ID set
*
* @param int $user_id
* @uses this::get_user_authy_id
* @return bool
*/
protected function user_has_authy_id( $user_id ) {
return (bool) $this->get_user_authy_id( $user_id );
}
/**
* Retrieve a given user's Authy ID
*
* @param int $user_id
* @uses this::get_authy_data
* @return int|null
*/
protected function get_user_authy_id( $user_id ) {
$data = $this->get_authy_data( $user_id );
if ( is_array( $data ) && is_numeric( $data['authy_id'] ) ) {
return (int) $data['authy_id'];
}
return null;
}
/**
* Check if a given user has Two factor authentication forced by admin
* @param int $user_id
* @uses this::get_authy_data
* @return bool
*
*/
protected function with_forced_by_admin( $user_id ) {
$data = $this->get_authy_data( $user_id );
if ( $data['force_by_admin'] == 'true' ) {
return true;
}
return false;
}
/**
* Handle non-JS changes to users' own connection
*
* @param int $user_id
* @uses check_admin_referer, wp_verify_nonce, get_userdata, is_wp_error, this::register_authy_user, this::clear_authy_data,
* @return null
*/
public function action_personal_options_update( $user_id ) {
check_admin_referer( 'update-user_' . $user_id );
// Check if we have data to work with
$authy_data = isset( $_POST[ $this->users_key ] ) ? $_POST[ $this->users_key ] : false;
// Parse for nonce and API existence
if ( !is_array( $authy_data ) || !array_key_exists( 'nonce', $authy_data ) ) {
return;
}
$is_editing = wp_verify_nonce( $authy_data['nonce'], $this->users_key . 'edit_own' );
$is_disabling = wp_verify_nonce( $authy_data['nonce'], $this->users_key . 'disable_own' ) && isset( $authy_data['disable_own'] );
if ( $is_editing ) {
// Email address
$userdata = get_userdata( $user_id );
if ( is_object( $userdata ) && ! is_wp_error( $userdata ) ) {
$email = $userdata->data->user_email;
} else {
$email = null;
}
// Phone number
$phone = preg_replace( '#[^\d]#', '', $authy_data['phone'] );
$country_code = preg_replace( '#[^\d\+]#', '', $authy_data['country_code'] );
// Process information with Authy
$this->register_authy_user(array(
"user_id" => $user_id,
"email" => $email,
"phone" => $phone,
"country_code" => $country_code,
"force_by_admin" => false,
));
} elseif ( $is_disabling ) {
// Delete Authy usermeta if requested
$this->clear_authy_data( $user_id );
}
}
/**
* Allow sufficiently-priviledged users to disable another user's Authy service.
*
* @param object $user
* @uses current_user_can, this::user_has_authy_id, get_user_meta, wp_parse_args, esc_attr, wp_nonce_field
* @action edit_user_profile
* @return string
*/
public function action_edit_user_profile( $user ) {
if ( !current_user_can( 'create_users' ) ) {
return;
}
?>
Authy Two-factor Authentication
api->register_user( $_POST['email'], $_POST['authy_user']['phone'], $_POST['authy_user']['country_code'] );
if ( !empty( $response->errors ) ) {
foreach ( $response->errors as $attr => $message ) {
if ( $attr == 'country_code' ) {
$errors->add( 'authy_error', 'Error: ' . 'Authy country code is invalid' );
} elseif ( $attr != 'message' ) {
$errors->add( 'authy_error', 'Error: ' . 'Authy ' . $attr . ' ' . $message );
}
}
}
}
/**
* Print head element
*
* @uses wp_print_scripts, wp_print_styles
* @return @string
*/
public function ajax_head() {
?>
users_page}
* @return string
*/
public function get_user_modal_via_ajax() {
// If nonce isn't set, bail
if ( ! isset( $_REQUEST['nonce'] ) || ! wp_verify_nonce( $_REQUEST['nonce'], $this->users_key . '_ajax' ) ) {
?>get_authy_data( $user_id );
$username = $user_data->user_login;
$errors = array();
// Step
$step = isset( $_REQUEST['authy_step'] ) ? preg_replace( '#[^a-z0-9\-_]#i', '', $_REQUEST['authy_step'] ) : false;
//iframe head
$this->ajax_head();
$is_enabling = isset( $_POST['_wpnonce'] ) && wp_verify_nonce( $_POST['_wpnonce'], $this->users_key . '_ajax_check' );
$is_disabling = $step == 'disable' && isset( $_POST['_wpnonce'] ) && wp_verify_nonce( $_POST['_wpnonce'], $this->users_key . '_ajax_disable' );
// iframe body
?>
>
Authy Two-Factor Authentication
get_user_authy_id( $user->ID );
}
$api_rsms = $this->api->request_sms( $authy_id, $force );
return $api_rsms;
}
/**
* Send SMS with Authy token via AJAX
* @return string
*/
public function request_sms_ajax() {
$user = get_user_by( 'login', $_GET['username'] );
$signature = get_user_meta( $user->ID, $this->signature_key, true );
$data_temp = get_user_meta( $user->ID, $this->authy_data_temp_key, true );
if ( $signature['authy_signature'] === $_GET['signature'] ) {
$response = $this->action_request_sms( $_GET['username'], true, $data_temp['authy_id'] );
} else {
$response = _e( 'Error', 'authy' );
}
echo esc_attr( $response );
die();
}
/**
* Clear a user's Authy configuration if an allowed user requests it.
*
* @param int $user_id
* @uses wp_verify_nonce, this::clear_authy_data
* @action edit_user_profile_update
* @return null
*/
public function action_edit_user_profile_update( $user_id ) {
$is_disabling_user = false;
if ( isset( $_POST["_{$this->users_key}_wpnonce"] ) && wp_verify_nonce( $_POST["_{$this->users_key}_wpnonce"], $this->users_key . '_disable' )) {
$is_disabling_user = true;
}
if ( $is_disabling_user && !isset($_POST[ $this->users_key ]) ) {
$this->clear_authy_data( $user_id );
return;
}
if ( !isset($_POST['authy_user']) ) {
return;
}
$authy_user_info = $_POST['authy_user'];
$cellphone = $authy_user_info['phone'];
$country_code = $authy_user_info['country_code'];
if ( !empty( $country_code ) && !empty( $cellphone ) ) {
$email = $_POST['email'];
$this->register_authy_user(array(
"user_id" => $user_id,
"email" => $email,
"phone" => $cellphone,
"country_code" => $country_code,
"force_by_admin" => 'true'
));
}
elseif ( !empty( $authy_user_info['force_enable_authy'] ) && $authy_user_info['force_enable_authy'] == 'true' )
{
// Force the user to enable authy 2FA on next login.
update_user_meta( $user_id, $this->users_key, array( $this->api_key => array( 'force_by_admin' => 'true' ) ) );
}
elseif ( empty( $country_code) && empty( $cellphone ) && empty( $authy_user_info['force_enable_authy'] ) )
{
// Disable force the user enable authy on next login
update_user_meta( $user_id, $this->users_key, array( $this->api_key => array( 'force_by_admin' => 'false' ) ) );
}
}
/**
* Render the Two factor authentication page
*
* @param mixed $user
* @param string $redirect
* @uses _e
* @return string
*/
public function render_authy_token_page( $user, $redirect ) {
$username = $user->user_login;
$user_data = $this->get_authy_data( $user->ID );
$user_signature = get_user_meta( $user->ID, $this->signature_key, true );
authy_token_form( $username, $user_data, $user_signature, $redirect, $errors );
}
/**
* Render the verify authy installation page
*
* @param mixed $user
* @param string $cellphone
* @param string $country_code
* @param string $errors
* @return string
*/
public function render_verify_authy_installation( $user, $errors = '' ) {
$user_data = $this->get_authy_data( $user->ID );
$user_signature = get_user_meta( $user->ID, $this->signature_key, true );
authy_installation_form( $user, $user_data, $user_signature['authy_signature'], $errors );
}
/**
* Do password authentication and redirect to 2nd screen
*
* @param mixed $user
* @param string $username
* @param string $password
* @param string $redirect_to
* @return mixed
*/
public function verify_password_and_redirect( $user, $username, $password, $redirect_to ) {
$userWP = get_user_by( 'login', $username );
// Don't bother if WP can't provide a user object.
if ( ! is_object( $userWP ) || ! property_exists( $userWP, 'ID' ) ) {
return $userWP;
}
if ( ! $this->user_has_authy_id( $userWP->ID ) && ! $this->with_forced_by_admin( $userWP->ID ) ) {
return $user; // wordpress will continue authentication.
}
// from here we take care of the authentication.
remove_action( 'authenticate', 'wp_authenticate_username_password', 20 );
$ret = wp_authenticate_username_password( $user, $username, $password );
if ( is_wp_error( $ret ) ) {
return $ret; // there was an error
}
$user = $ret;
$signature = $this->api->generate_signature();
update_user_meta( $user->ID, $this->signature_key, array( 'authy_signature' => $signature, 'signed_at' => time() ) );
if ( $this->with_forced_by_admin( $userWP->ID ) && ! $this->user_has_authy_id( $userWP->ID ) ) {
render_enable_authy_page( $userWP, $signature ); // Show the enable authy page
} else {
$this->action_request_sms( $username ); // Send sms
$this->render_authy_token_page( $user, $redirect_to ); // Show the authy token page
}
exit();
}
/**
* Login user with Authy Two Factor Authentication
*
* @param mixed $user
* @return mixed
*/
public function login_with_2FA( $user, $signature, $authy_token, $redirect_to ) {
// Do 2FA if signature is valid.
if ( $this->api->verify_signature( get_user_meta( $user->ID, $this->signature_key, true ), $signature ) ) {
// invalidate signature
update_user_meta( $user->ID, $this->signature_key, array( 'authy_signature' => $this->api->generate_signature(), 'signed_at' => null ) );
// Check the specified token
$authy_id = $this->get_user_authy_id( $user->ID );
$authy_token = preg_replace( '#[^\d]#', '', $authy_token );
$api_response = $this->api->check_token( $authy_id, $authy_token );
// Act on API response
if ( $api_response === true ) {
wp_set_auth_cookie( $user->ID ); // token was checked so go ahead.
wp_safe_redirect( $redirect_to );
exit(); // redirect without returning anything.
} elseif ( is_string( $api_response ) ) {
return new WP_Error( 'authentication_failed', __( 'ERROR: ' . $api_response, 'authy' ) );
}
}
return new WP_Error( 'authentication_failed', __( 'ERROR Authentication timed out. Please try again.', 'authy' ) );
}
/**
* Enable authy and go to verify installation page
*
* @param array $params
* @return mixed
*/
public function check_user_fields_and_redirect_to_verify_token( $params ) {
$userWP = get_user_by( 'login', $params['username'] );
$signature = get_user_meta( $userWP->ID, $this->signature_key, true );
if ( $signature['authy_signature'] != $params['signature'] ) {
return new WP_Error( 'authentication_failed', __( 'ERROR: Authentication failed', 'authy' ) );
}
if ( $this->user_has_authy_id( $userWP->ID ) || !$this->with_forced_by_admin( $userWP->ID ) ) {
return new WP_Error( 'authentication_failed', __( 'ERROR: Authentication failed', 'authy' ) );
}
// Request an Authy ID with given user information
$response = $this->api->register_user( $userWP->user_email, $params['cellphone'], $params['country_code'] );
if ( $response->user && $response->user->id ) {
$authy_id = $response->user->id;
// Save the authy ID temporarily in db
$data_temp = array( 'authy_id' => $authy_id, 'cellphone' => $params['cellphone'], 'country_code' => $params['country_code'] );
update_user_meta( $userWP->ID, $this->authy_data_temp_key, $data_temp );
// Go to verify authy installation page
$this->render_verify_authy_installation( $userWP );
} else {
$errors = array();
if ( $response->errors ) { // FIXME: DRY this up.
foreach ( $response->errors as $attr => $message ) {
if ( $attr == 'country_code' ) {
array_push( $errors, 'Country code is invalid' );
} elseif ( $attr != 'message' ) {
array_push( $errors, $attr . ' ' . $message );
}
}
}
render_enable_authy_page( $userWP, $signature['authy_signature'], $errors );
}
exit();
}
/**
*
*/
public function verify_authy_installation( $params ) {
$userWP = get_user_by( 'login', $params['username'] );
$signature = get_user_meta( $userWP->ID, $this->signature_key, true );
if ( $signature['authy_signature'] != $params['signature'] ) {
return new WP_Error( 'authentication_failed', __( 'ERROR: Authentication failed', 'authy' ) );
}
if ( $this->user_has_authy_id( $userWP->ID ) || !$this->with_forced_by_admin( $userWP->ID ) ) {
return new WP_Error( 'authentication_failed', __( 'ERROR: Authentication failed', 'authy' ) );
}
// Get the temporal authy data
$data_temp = get_user_meta( $userWP->ID, $this->authy_data_temp_key, true );
$authy_id = $data_temp['authy_id'];
// Check the specified token
$authy_token = preg_replace( '#[^\d]#', '', $params['authy_token'] );
$check_token_response = $this->api->check_token( $authy_id, $authy_token );
if ( $check_token_response === true ) {
// Save authy data of user on database
$this->set_authy_data(array(
"user_id" => $userWP->ID,
"email" => $userWP->user_email,
"phone" => $data_temp['cellphone'],
"country_code" => $data_temp['country_code'],
"force_by_admin" => 'true',
"authy_id" => $authy_id
));
delete_user_meta( $userWP->ID, $this->authy_data_temp_key ); // Delete temporal authy data
// invalidate signature
update_user_meta( $userWP->ID, $this->signature_key, array( 'authy_signature' => $this->api->generate_signature(), 'signed_at' => null ) );
// Login user and redirect
wp_set_auth_cookie( $userWP->ID ); // token was checked so go ahead.
wp_safe_redirect( admin_url() );
} else {
// Show the errors
$this->render_verify_authy_installation( $userWP, $check_token_response );
exit();
}
}
/**
* AUTHENTICATION CHANGES
*/
/**
* @param mixed $user
* @param string $username
* @param string $password
* @uses XMLRPC_REQUEST, APP_REQUEST, this::user_has_authy_id, this::get_user_authy_id, this::api::check_token
* @return mixed
*/
public function authenticate_user( $user = '', $username = '', $password = '' ) {
// If XMLRPC_REQUEST is disabled stop
if ( ( defined( 'XMLRPC_REQUEST' ) && XMLRPC_REQUEST ) || ( defined( 'APP_REQUEST' ) && APP_REQUEST ) ) {
return $user;
}
$step = $_POST['step'];
$signature = $_POST['authy_signature'];
$authy_user_info = $_POST['authy_user'];
if ( !empty( $username ) ) {
return $this->verify_password_and_redirect( $user, $username, $password, $_POST['redirect_to'] );
}
if( !isset( $signature ) ) {
return new WP_Error( 'authentication_failed', __( 'ERROR: missing credentials' ) );
}
if ( empty( $step ) && isset( $_POST['authy_token'] ) )
{
$user = get_user_by( 'login', $_POST['username'] );
// This line prevents WordPress from setting the authentication cookie and display errors.
remove_action( 'authenticate', 'wp_authenticate_username_password', 20 );
return $this->login_with_2FA( $user, $signature, $_POST['authy_token'], $_POST['redirect_to'] );
}
elseif ( $step == 'enable_authy' && isset($authy_user_info) && isset( $authy_user_info['country_code'] ) && isset( $authy_user_info['cellphone'] ) )
{
// if step is enable_authy and have country_code and phone show the enable authy page
$params = array(
'username' => $_POST['username'],
'signature' => $signature,
'cellphone' => $authy_user_info['cellphone'],
'country_code' => $authy_user_info['country_code'],
);
return $this->check_user_fields_and_redirect_to_verify_token( $params );
}
elseif ( $step == 'verify_installation' && isset( $_POST['authy_token'] ) )
{
// If step is verify_installation and have authy_token show the verify authy installation page.
$params = array(
'username' => $_POST['username'],
'authy_token' => $_POST['authy_token'],
'signature' => $signature,
);
return $this->verify_authy_installation( $params );
}
return new WP_Error( 'authentication_failed', __( 'ERROR' ) );
}
}
Authy::instance();