| 1 |
<?php |
| 2 |
|
| 3 |
/** |
| 4 |
* Module Name: Jetpack Single Sign On |
| 5 |
* Module Description: Allow your users to log in using their WordPress.com accounts. |
| 6 |
* Jumpstart Description: lets you login to all your Jetpack-enabled sites with one click using your WordPress.com account. |
| 7 |
* Sort Order: 30 |
| 8 |
* Recommendation Order: 5 |
| 9 |
* First Introduced: 2.6 |
| 10 |
* Requires Connection: Yes |
| 11 |
* Auto Activate: No |
| 12 |
* Module Tags: Developers |
| 13 |
* Feature: Jumpstart |
| 14 |
*/ |
| 15 |
|
| 16 |
class Jetpack_SSO { |
| 17 |
static $instance = null; |
| 18 |
|
| 19 |
private function __construct() { |
| 20 |
|
| 21 |
self::$instance = $this; |
| 22 |
|
| 23 |
add_action( 'admin_init', array( $this, 'admin_init' ) ); |
| 24 |
add_action( 'admin_init', array( $this, 'register_settings' ) ); |
| 25 |
add_action( 'login_init', array( $this, 'login_init' ) ); |
| 26 |
add_action( 'delete_user', array( $this, 'delete_connection_for_user' ) ); |
| 27 |
add_filter( 'jetpack_xmlrpc_methods', array( $this, 'xmlrpc_methods' ) ); |
| 28 |
add_action( 'init', array( $this, 'maybe_logout_user' ), 5 ); |
| 29 |
add_action( 'jetpack_modules_loaded', array( $this, 'module_configure_button' ) ); |
| 30 |
|
| 31 |
// Adding this action so that on login_init, the action won't be sanitized out of the $action global. |
| 32 |
add_action( 'login_form_jetpack-sso', '__return_true' ); |
| 33 |
|
| 34 |
if ( $this->should_hide_login_form() && apply_filters( 'jetpack_sso_display_disclaimer', true ) ) { |
| 35 |
add_action( 'login_message', array( $this, 'msg_login_by_jetpack' ) ); |
| 36 |
} |
| 37 |
} |
| 38 |
|
| 39 |
/** |
| 40 |
* Returns the single instance of the Jetpack_SSO object |
| 41 |
* |
| 42 |
* @since 2.8 |
| 43 |
* @return Jetpack_SSO |
| 44 |
**/ |
| 45 |
public static function get_instance() { |
| 46 |
if( !is_null( self::$instance ) ) |
| 47 |
return self::$instance; |
| 48 |
|
| 49 |
return self::$instance = new Jetpack_SSO; |
| 50 |
} |
| 51 |
|
| 52 |
/** |
| 53 |
* Add configure button and functionality to the module card on the Jetpack screen |
| 54 |
**/ |
| 55 |
public static function module_configure_button() { |
| 56 |
Jetpack::enable_module_configurable( __FILE__ ); |
| 57 |
Jetpack::module_configuration_load( __FILE__, array( __CLASS__, 'module_configuration_load' ) ); |
| 58 |
Jetpack::module_configuration_head( __FILE__, array( __CLASS__, 'module_configuration_head' ) ); |
| 59 |
Jetpack::module_configuration_screen( __FILE__, array( __CLASS__, 'module_configuration_screen' ) ); |
| 60 |
} |
| 61 |
|
| 62 |
public static function module_configuration_load() { |
| 63 |
// wp_safe_redirect( admin_url( 'options-general.php#configure-sso' ) ); |
| 64 |
// exit; |
| 65 |
} |
| 66 |
|
| 67 |
public static function module_configuration_head() {} |
| 68 |
|
| 69 |
public static function module_configuration_screen() { |
| 70 |
?> |
| 71 |
<form method="post" action="options.php"> |
| 72 |
<?php settings_fields( 'jetpack-sso' ); ?> |
| 73 |
<?php do_settings_sections( 'jetpack-sso' ); ?> |
| 74 |
<?php submit_button(); ?> |
| 75 |
</form> |
| 76 |
<?php |
| 77 |
} |
| 78 |
|
| 79 |
/** |
| 80 |
* If jetpack_force_logout == 1 in current user meta the user will be forced |
| 81 |
* to logout and reauthenticate with the site. |
| 82 |
**/ |
| 83 |
public function maybe_logout_user() { |
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global $current_user; |
| 85 |
|
| 86 |
if( 1 == $current_user->jetpack_force_logout ) { |
| 87 |
delete_user_meta( $current_user->ID, 'jetpack_force_logout' ); |
| 88 |
self::delete_connection_for_user( $current_user->ID ); |
| 89 |
wp_logout(); |
| 90 |
wp_safe_redirect( wp_login_url() ); |
| 91 |
} |
| 92 |
} |
| 93 |
|
| 94 |
|
| 95 |
/** |
| 96 |
* Adds additional methods the WordPress xmlrpc API for handling SSO specific features |
| 97 |
* |
| 98 |
* @param array $methods |
| 99 |
* @return array |
| 100 |
**/ |
| 101 |
public function xmlrpc_methods( $methods ) { |
| 102 |
$methods['jetpack.userDisconnect'] = array( $this, 'xmlrpc_user_disconnect' ); |
| 103 |
return $methods; |
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} |
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|
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/** |
| 107 |
* Marks a user's profile for disconnect from WordPress.com and forces a logout |
| 108 |
* the next time the user visits the site. |
| 109 |
**/ |
| 110 |
public function xmlrpc_user_disconnect( $user_id ) { |
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$user_query = new WP_User_Query( |
| 112 |
array( |
| 113 |
'meta_key' => 'wpcom_user_id', |
| 114 |
'meta_value' => $user_id |
| 115 |
) |
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); |
| 117 |
$user = $user_query->get_results(); |
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$user = $user[0]; |
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|
| 120 |
|
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if( $user instanceof WP_User ) { |
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$user = wp_set_current_user( $user->ID ); |
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update_user_meta( $user->ID, 'jetpack_force_logout', '1' ); |
| 124 |
self::delete_connection_for_user( $user->ID ); |
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return true; |
| 126 |
} |
| 127 |
return false; |
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} |
| 129 |
|
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/** |
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* Adds settings fields to Settings > General > Single Sign On that allows users to |
| 132 |
* turn off the login form on wp-login.php |
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* |
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* @since 2.7 |
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**/ |
| 136 |
public function register_settings() { |
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|
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add_settings_section( |
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'jetpack_sso_settings', |
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__( 'Jetpack Single Sign On' , 'jetpack' ), |
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'__return_false', |
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'jetpack-sso' |
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); |
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|
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/* |
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* Settings > General > Jetpack Single Sign On |
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* Checkbox for Remove default login form |
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*/ |
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/* Hide in 2.9 |
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register_setting( |
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'general', |
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'jetpack_sso_remove_login_form', |
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array( $this, 'validate_settings_remove_login_form_checkbox' ) |
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); |
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|
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add_settings_field( |
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'jetpack_sso_remove_login_form', |
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__( 'Remove default login form?' , 'jetpack' ), |
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array( $this, 'render_remove_login_form_checkbox' ), |
| 160 |
'general', |
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'jetpack_sso_settings' |
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); |
| 163 |
*/ |
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|
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/* |
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* Settings > General > Jetpack Single Sign On |
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* Require two step authentication |
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*/ |
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register_setting( |
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'jetpack-sso', |
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'jetpack_sso_require_two_step', |
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array( $this, 'validate_jetpack_sso_require_two_step' ) |
| 173 |
); |
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|
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add_settings_field( |
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'jetpack_sso_require_two_step', |
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'', // __( 'Require Two-Step Authentication' , 'jetpack' ), |
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array( $this, 'render_require_two_step' ), |
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'jetpack-sso', |
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'jetpack_sso_settings' |
| 181 |
); |
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|
| 183 |
|
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/* |
| 185 |
* Settings > General > Jetpack Single Sign On |
| 186 |
*/ |
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register_setting( |
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'jetpack-sso', |
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'jetpack_sso_match_by_email', |
| 190 |
array( $this, 'validate_jetpack_sso_match_by_email' ) |
| 191 |
); |
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|
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add_settings_field( |
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'jetpack_sso_match_by_email', |
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'', // __( 'Match by Email' , 'jetpack' ), |
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array( $this, 'render_match_by_email' ), |
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'jetpack-sso', |
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'jetpack_sso_settings' |
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); |
| 200 |
} |
| 201 |
|
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/** |
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* Builds the display for the checkbox allowing user to require two step |
| 204 |
* auth be enabled on WordPress.com accounts before login. Displays in Settings > General |
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* |
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* @since 2.7 |
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**/ |
| 208 |
public function render_require_two_step() { |
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echo '<label>'; |
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echo '<input type="checkbox" name="jetpack_sso_require_two_step" ' . checked( 1 == get_option( 'jetpack_sso_require_two_step' ), true, false ) . '> '; |
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esc_html_e( 'Require Two-Step Authentication' , 'jetpack' ); |
| 212 |
echo '</label>'; |
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} |
| 214 |
|
| 215 |
/** |
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* Validate the require two step checkbox in Settings > General |
| 217 |
* |
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* @since 2.7 |
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* @return boolean |
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**/ |
| 221 |
public function validate_jetpack_sso_require_two_step( $input ) { |
| 222 |
return ( ! empty( $input ) ) ? 1 : 0; |
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} |
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|
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/** |
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* Builds the display for the checkbox allowing the user to allow matching logins by email |
| 227 |
* Displays in Settings > General |
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* |
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* @since 2.9 |
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**/ |
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public function render_match_by_email() { |
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echo '<label>'; |
| 233 |
echo '<input type="checkbox" name="jetpack_sso_match_by_email"' . checked( 1 == get_option( 'jetpack_sso_match_by_email' ), true, false) . '> '; |
| 234 |
esc_html_e( 'Match by Email', 'jetpack' ); |
| 235 |
echo '</label>'; |
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} |
| 237 |
|
| 238 |
/** |
| 239 |
* Validate the match by email check in Settings > General |
| 240 |
* |
| 241 |
* @since 2.9 |
| 242 |
* @return boolean |
| 243 |
**/ |
| 244 |
public function validate_jetpack_sso_match_by_email( $input ) { |
| 245 |
return ( ! empty( $input ) ) ? 1 : 0; |
| 246 |
} |
| 247 |
|
| 248 |
/** |
| 249 |
* Builds the display for the checkbox allowing users to remove the default |
| 250 |
* WordPress login form from wp-login.php. Displays in Settings > General |
| 251 |
* |
| 252 |
* @since 2.7 |
| 253 |
**/ |
| 254 |
public function render_remove_login_form_checkbox() { |
| 255 |
if( $this->is_user_connected( get_current_user_id() ) ) { |
| 256 |
echo '<a name="configure-sso"></a>'; |
| 257 |
echo '<input type="checkbox" name="jetpack_sso_remove_login_form[remove_login_form]" ' . checked( 1 == get_option( 'jetpack_sso_remove_login_form' ), true, false ) . '>'; |
| 258 |
echo '<p class="description">Removes default login form and disallows login via POST</p>'; |
| 259 |
} else { |
| 260 |
echo 'Your account must be connected to WordPress.com before disabling the login form.'; |
| 261 |
echo '<br/>' . $this->button(); |
| 262 |
} |
| 263 |
} |
| 264 |
|
| 265 |
/** |
| 266 |
* Validate settings input from Settings > General |
| 267 |
* |
| 268 |
* @since 2.7 |
| 269 |
* @return boolean |
| 270 |
**/ |
| 271 |
public function validate_settings_remove_login_form_checkbox( $input ) { |
| 272 |
return ( isset( $input['remove_login_form'] ) )? 1: 0; |
| 273 |
} |
| 274 |
|
| 275 |
/** |
| 276 |
* Removes 'Lost your password?' text from the login form if user |
| 277 |
* does not want to show the login form |
| 278 |
* |
| 279 |
* @since 2.7 |
| 280 |
* @return string |
| 281 |
**/ |
| 282 |
public function remove_lost_password_text( $text ) { |
| 283 |
if( 'Lost your password?' == $text ) |
| 284 |
$text = ''; |
| 285 |
return $text; |
| 286 |
} |
| 287 |
|
| 288 |
/** |
| 289 |
* Checks to determine if the user wants to login on wp-login |
| 290 |
* |
| 291 |
* This function mostly exists to cover the exceptions to login |
| 292 |
* that may exist as other parameters to $_GET[action] as $_GET[action] |
| 293 |
* does not have to exist. By default WordPress assumes login if an action |
| 294 |
* is not set, however this may not be true, as in the case of logout |
| 295 |
* where $_GET[loggedout] is instead set |
| 296 |
* |
| 297 |
* @return boolean |
| 298 |
**/ |
| 299 |
private function wants_to_login() { |
| 300 |
$wants_to_login = false; |
| 301 |
|
| 302 |
// Cover default WordPress behavior |
| 303 |
$action = isset($_REQUEST['action']) ? $_REQUEST['action'] : 'login'; |
| 304 |
|
| 305 |
// And now the exceptions |
| 306 |
$action = isset( $_GET['loggedout'] ) ? 'loggedout' : $action; |
| 307 |
|
| 308 |
if( 'login' == $action ) { |
| 309 |
$wants_to_login = true; |
| 310 |
} |
| 311 |
|
| 312 |
return $wants_to_login; |
| 313 |
} |
| 314 |
|
| 315 |
private function bypass_login_forward_wpcom() { |
| 316 |
return apply_filters( 'jetpack_sso_bypass_login_forward_wpcom', false ); |
| 317 |
} |
| 318 |
|
| 319 |
function login_init() { |
| 320 |
global $action; |
| 321 |
|
| 322 |
/** |
| 323 |
* If the user is attempting to logout AND the auto-forward to WordPress.com |
| 324 |
* login is set then we need to ensure we do not auto-forward the user and get |
| 325 |
* them stuck in an infinite logout loop. |
| 326 |
*/ |
| 327 |
if( isset( $_GET['loggedout'] ) && $this->bypass_login_forward_wpcom() ) { |
| 328 |
add_filter( 'jetpack_remove_login_form', '__return_true' ); |
| 329 |
add_filter( 'gettext', array( $this, 'remove_lost_password_text' ) ); |
| 330 |
} |
| 331 |
|
| 332 |
/** |
| 333 |
* Check to see if the site admin wants to automagically forward the user |
| 334 |
* to the WordPress.com login page AND that the request to wp-login.php |
| 335 |
* is not something other than login (Like logout!) |
| 336 |
*/ |
| 337 |
if ( |
| 338 |
$this->wants_to_login() |
| 339 |
&& $this->bypass_login_forward_wpcom() |
| 340 |
) { |
| 341 |
add_filter( 'allowed_redirect_hosts', array( $this, 'allowed_redirect_hosts' ) ); |
| 342 |
wp_safe_redirect( $this->build_sso_url() ); |
| 343 |
} |
| 344 |
|
| 345 |
if ( 'login' === $action ) { |
| 346 |
wp_enqueue_script( 'jquery' ); |
| 347 |
wp_enqueue_style( 'genericons' ); |
| 348 |
add_action( 'login_footer', array( $this, 'login_form' ) ); |
| 349 |
add_action( 'login_footer', array( $this, 'login_footer' ) ); |
| 350 |
/* |
| 351 |
if ( get_option( 'jetpack_sso_remove_login_form' ) ) { |
| 352 |
// Check to see if the user is attempting to login via the default login form. |
| 353 |
// If so we need to deny it and forward elsewhere. |
| 354 |
if( isset( $_REQUEST['wp-submit'] ) && 'Log In' == $_REQUEST['wp-submit'] ) { |
| 355 |
wp_die( 'Login not permitted by this method. '); |
| 356 |
} |
| 357 |
add_filter( 'gettext', array( $this, 'remove_lost_password_text' ) ); |
| 358 |
} |
| 359 |
*/ |
| 360 |
} elseif ( 'jetpack-sso' === $action ) { |
| 361 |
if ( isset( $_GET['result'], $_GET['user_id'], $_GET['sso_nonce'] ) && 'success' == $_GET['result'] ) { |
| 362 |
$this->handle_login(); |
| 363 |
wp_enqueue_script( 'jquery' ); |
| 364 |
wp_enqueue_style( 'genericons' ); |
| 365 |
add_action( 'login_footer', array( $this, 'login_form' ) ); |
| 366 |
add_action( 'login_footer', array( $this, 'login_footer' ) ); |
| 367 |
} else { |
| 368 |
if ( Jetpack::check_identity_crisis() ) { |
| 369 |
wp_die( __( "Error: This site's Jetpack connection is currently experiencing problems.", 'jetpack' ) ); |
| 370 |
} else { |
| 371 |
$this->maybe_save_cookie_redirect(); |
| 372 |
// Is it wiser to just use wp_redirect than do this runaround to wp_safe_redirect? |
| 373 |
add_filter( 'allowed_redirect_hosts', array( $this, 'allowed_redirect_hosts' ) ); |
| 374 |
wp_safe_redirect( $this->build_sso_url() ); |
| 375 |
} |
| 376 |
} |
| 377 |
} |
| 378 |
} |
| 379 |
|
| 380 |
/** |
| 381 |
* Conditionally save the redirect_to url as a cookie. |
| 382 |
*/ |
| 383 |
public static function maybe_save_cookie_redirect() { |
| 384 |
if ( headers_sent() ) { |
| 385 |
return new WP_Error( 'headers_sent', __( 'Cannot deal with cookie redirects, as headers are already sent.', 'jetpack' ) ); |
| 386 |
} |
| 387 |
|
| 388 |
// If we have something to redirect to |
| 389 |
if ( ! empty( $_GET['redirect_to'] ) ) { |
| 390 |
$url = esc_url_raw( $_GET['redirect_to'] ); |
| 391 |
setcookie( 'jetpack_sso_redirect_to', $url, time() + HOUR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN, false, true ); |
| 392 |
// Otherwise, if it's already set |
| 393 |
} elseif ( ! empty( $_COOKIE['jetpack_sso_redirect_to'] ) ) { |
| 394 |
// Purge it. |
| 395 |
setcookie( 'jetpack_sso_redirect_to', ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN ); |
| 396 |
} |
| 397 |
|
| 398 |
if ( ! empty( $_GET['rememberme'] ) ) { |
| 399 |
setcookie( 'jetpack_sso_remember_me', '1', time() + HOUR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN, false, true ); |
| 400 |
} elseif ( ! empty( $_COOKIE['jetpack_sso_remember_me'] ) ) { |
| 401 |
setcookie( 'jetpack_sso_remember_me', ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN ); |
| 402 |
} |
| 403 |
} |
| 404 |
|
| 405 |
/** |
| 406 |
* Determine if the login form should be hidden or not |
| 407 |
* |
| 408 |
* Method is private only because it is only used in this class so far. |
| 409 |
* Feel free to change it later |
| 410 |
* |
| 411 |
* @return bool |
| 412 |
**/ |
| 413 |
private function should_hide_login_form() { |
| 414 |
return apply_filters( 'jetpack_remove_login_form', get_option( 'jetpack_sso_remove_login_form', false ) ); |
| 415 |
} |
| 416 |
|
| 417 |
function login_form() { |
| 418 |
$classes = ''; |
| 419 |
|
| 420 |
if( $this->should_hide_login_form() ) { |
| 421 |
$classes .= ' forced-sso'; |
| 422 |
} |
| 423 |
echo '<div class="jetpack-sso-wrap' . $classes . '">' . $this->button() . '</div>'; |
| 424 |
} |
| 425 |
|
| 426 |
function login_footer() { |
| 427 |
$hide_login_form = $this->should_hide_login_form(); |
| 428 |
?> |
| 429 |
<style> |
| 430 |
#loginform { |
| 431 |
overflow: hidden; |
| 432 |
padding-bottom: 26px; |
| 433 |
} |
| 434 |
.jetpack-sso-wrap { |
| 435 |
<?php if ( $hide_login_form ) : ?> |
| 436 |
text-align: center; |
| 437 |
<?php else : ?> |
| 438 |
float: right; |
| 439 |
<?php endif; ?> |
| 440 |
margin: 1em 0 0; |
| 441 |
clear: right; |
| 442 |
display: block; |
| 443 |
} |
| 444 |
|
| 445 |
<?php if ( $hide_login_form ) : ?> |
| 446 |
.forced-sso .jetpack-sso.button { |
| 447 |
font-size: 16px; |
| 448 |
line-height: 27px; |
| 449 |
height: 37px; |
| 450 |
padding: 5px 12px 6px 47px; |
| 451 |
} |
| 452 |
.forced-sso .jetpack-sso.button:before { |
| 453 |
font-size: 28px !important; |
| 454 |
height: 37px; |
| 455 |
padding: 5px 5px 4px; |
| 456 |
width: 37px; |
| 457 |
} |
| 458 |
<?php endif; ?> |
| 459 |
</style> |
| 460 |
<script> |
| 461 |
jQuery(document).ready(function($){ |
| 462 |
<?php if ( $hide_login_form ) : ?> |
| 463 |
$( '#loginform' ).empty(); |
| 464 |
<?php endif; ?> |
| 465 |
$( '#loginform' ).append( $( '.jetpack-sso-wrap' ) ); |
| 466 |
|
| 467 |
var $rememberme = $( '#rememberme' ), |
| 468 |
$ssoButton = $( 'a.jetpack-sso.button' ); |
| 469 |
|
| 470 |
$rememberme.on( 'change', function() { |
| 471 |
var url = $ssoButton.prop( 'href' ), |
| 472 |
isChecked = $rememberme.prop( 'checked' ) ? 1 : 0; |
| 473 |
|
| 474 |
if ( url.match( /&rememberme=\d/ ) ) { |
| 475 |
url = url.replace( /&rememberme=\d/, '&rememberme=' + isChecked ); |
| 476 |
} else { |
| 477 |
url += '&rememberme=' + isChecked; |
| 478 |
} |
| 479 |
|
| 480 |
$ssoButton.prop( 'href', url ); |
| 481 |
} ).change(); |
| 482 |
|
| 483 |
}); |
| 484 |
</script> |
| 485 |
<?php |
| 486 |
} |
| 487 |
|
| 488 |
static function delete_connection_for_user( $user_id ) { |
| 489 |
if ( ! $wpcom_user_id = get_user_meta( $user_id, 'wpcom_user_id', true ) ) { |
| 490 |
return; |
| 491 |
} |
| 492 |
Jetpack::load_xml_rpc_client(); |
| 493 |
$xml = new Jetpack_IXR_Client( array( |
| 494 |
'user_id' => $user_id |
| 495 |
) ); |
| 496 |
$xml->query( 'jetpack.sso.removeUser', $wpcom_user_id ); |
| 497 |
|
| 498 |
if ( $xml->isError() ) { |
| 499 |
return false; |
| 500 |
} |
| 501 |
|
| 502 |
return $xml->getResponse(); |
| 503 |
} |
| 504 |
|
| 505 |
static function request_initial_nonce() { |
| 506 |
Jetpack::load_xml_rpc_client(); |
| 507 |
$xml = new Jetpack_IXR_Client( array( |
| 508 |
'user_id' => get_current_user_id() |
| 509 |
) ); |
| 510 |
$xml->query( 'jetpack.sso.requestNonce' ); |
| 511 |
|
| 512 |
if ( $xml->isError() ) { |
| 513 |
wp_die( sprintf( '%s: %s', $xml->getErrorCode(), $xml->getErrorMessage() ) ); |
| 514 |
} |
| 515 |
|
| 516 |
return $xml->getResponse(); |
| 517 |
} |
| 518 |
|
| 519 |
/** |
| 520 |
* The function that actually handles the login! |
| 521 |
*/ |
| 522 |
function handle_login() { |
| 523 |
$wpcom_nonce = sanitize_key( $_GET['sso_nonce'] ); |
| 524 |
$wpcom_user_id = (int) $_GET['user_id']; |
| 525 |
$result = sanitize_key( $_GET['result'] ); |
| 526 |
|
| 527 |
Jetpack::load_xml_rpc_client(); |
| 528 |
$xml = new Jetpack_IXR_Client( array( |
| 529 |
'user_id' => get_current_user_id() |
| 530 |
) ); |
| 531 |
$xml->query( 'jetpack.sso.validateResult', $wpcom_nonce, $wpcom_user_id ); |
| 532 |
|
| 533 |
if ( $xml->isError() ) { |
| 534 |
wp_die( sprintf( '%s: %s', $xml->getErrorCode(), $xml->getErrorMessage() ) ); |
| 535 |
} |
| 536 |
|
| 537 |
$user_data = $xml->getResponse(); |
| 538 |
|
| 539 |
if ( empty( $user_data ) ) { |
| 540 |
wp_die( __( 'Error, invalid response data.', 'jetpack' ) ); |
| 541 |
} |
| 542 |
|
| 543 |
$user_data = (object) $user_data; |
| 544 |
$user = null; |
| 545 |
do_action( 'jetpack_sso_pre_handle_login', $user_data ); |
| 546 |
|
| 547 |
// Check to see if having two step enable on wpcom is a requirement to login here |
| 548 |
$require_two_step = apply_filters( 'jetpack_sso_require_two_step', get_option( 'jetpack_sso_require_two_step' ) ); |
| 549 |
if( $require_two_step && 0 == (int) $user_data->two_step_enabled ) { |
| 550 |
$this->user_data = $user_data; |
| 551 |
do_action( 'wp_login_failed', $user_data->login ); |
| 552 |
add_action( 'login_message', array( $this, 'error_msg_enable_two_step' ) ); |
| 553 |
return; |
| 554 |
} |
| 555 |
|
| 556 |
if ( isset( $_GET['state'] ) && ( 0 < strpos( $_GET['state'], '|' ) ) ) { |
| 557 |
list( $state, $nonce ) = explode( '|', $_GET['state'] ); |
| 558 |
|
| 559 |
if ( wp_verify_nonce( $nonce, $state ) ) { |
| 560 |
if ( 'sso-link-user' == $state ) { |
| 561 |
$user = wp_get_current_user(); |
| 562 |
update_user_meta( $user->ID, 'wpcom_user_id', $user_data->ID ); |
| 563 |
add_filter( 'login_redirect', array( __CLASS__, 'profile_page_url' ) ); |
| 564 |
} |
| 565 |
} else wp_nonce_ays(); |
| 566 |
} |
| 567 |
|
| 568 |
if ( empty( $user ) ) { |
| 569 |
$user = $this->get_user_by_wpcom_id( $user_data->ID ); |
| 570 |
} |
| 571 |
|
| 572 |
// If we don't have one by wpcom_user_id, try by the email? |
| 573 |
if ( empty( $user ) && self::match_by_email() ) { |
| 574 |
$user = get_user_by( 'email', $user_data->email ); |
| 575 |
if ( $user ) { |
| 576 |
update_user_meta( $user->ID, 'wpcom_user_id', $user_data->ID ); |
| 577 |
} |
| 578 |
} |
| 579 |
|
| 580 |
// If we've still got nothing, create the user. |
| 581 |
if ( empty( $user ) && ( get_option( 'users_can_register' ) || self::new_user_override() ) ) { |
| 582 |
// If not matching by email we still need to verify the email does not exist |
| 583 |
// or this blows up |
| 584 |
/** |
| 585 |
* If match_by_email is true, we know the email doesn't exist, as it would have |
| 586 |
* been found in the first pass. If get_user_by( 'email' ) doesn't find the |
| 587 |
* user, then we know that email is unused, so it's safe to add. |
| 588 |
*/ |
| 589 |
if ( self::match_by_email() || ! get_user_by( 'email', $user_data->email ) ) { |
| 590 |
$username = $user_data->login; |
| 591 |
|
| 592 |
if ( username_exists( $username ) ) { |
| 593 |
$username = $user_data->login . '_' . $user_data->ID; |
| 594 |
} |
| 595 |
|
| 596 |
$tries = 0; |
| 597 |
while ( username_exists( $username ) ) { |
| 598 |
$username = $user_data->login . '_' . $user_data->ID . '_' . mt_rand(); |
| 599 |
if ( $tries++ >= 5 ) { |
| 600 |
wp_die( __( "Error: Couldn't create suitable username.", 'jetpack' ) ); |
| 601 |
} |
| 602 |
} |
| 603 |
|
| 604 |
$password = wp_generate_password( 20 ); |
| 605 |
$user_id = wp_create_user( $username, $password, $user_data->email ); |
| 606 |
$user = get_userdata( $user_id ); |
| 607 |
|
| 608 |
$user->display_name = $user_data->display_name; |
| 609 |
$user->first_name = $user_data->first_name; |
| 610 |
$user->last_name = $user_data->last_name; |
| 611 |
$user->url = $user_data->url; |
| 612 |
$user->description = $user_data->description; |
| 613 |
wp_update_user( $user ); |
| 614 |
|
| 615 |
update_user_meta( $user->ID, 'wpcom_user_id', $user_data->ID ); |
| 616 |
} else { |
| 617 |
$this->user_data = $user_data; |
| 618 |
// do_action( 'wp_login_failed', $user_data->login ); |
| 619 |
add_action( 'login_message', array( $this, 'error_msg_email_already_exists' ) ); |
| 620 |
return; |
| 621 |
} |
| 622 |
} |
| 623 |
|
| 624 |
do_action( 'jetpack_sso_handle_login', $user, $user_data ); |
| 625 |
|
| 626 |
if ( $user ) { |
| 627 |
// Cache the user's details, so we can present it back to them on their user screen. |
| 628 |
update_user_meta( $user->ID, 'wpcom_user_data', $user_data ); |
| 629 |
|
| 630 |
$remember = false; |
| 631 |
if ( ! empty( $_COOKIE['jetpack_sso_remember_me'] ) ) { |
| 632 |
$remember = true; |
| 633 |
// And then purge it |
| 634 |
setcookie( 'jetpack_sso_remember_me', ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN ); |
| 635 |
} |
| 636 |
// Set remember me value |
| 637 |
$remember = apply_filters( 'jetpack_remember_login', $remember ); |
| 638 |
wp_set_auth_cookie( $user->ID, $remember ); |
| 639 |
|
| 640 |
// Run the WP core login action |
| 641 |
do_action( 'wp_login', $user->user_login, $user ); |
| 642 |
|
| 643 |
$_request_redirect_to = isset( $_REQUEST['redirect_to'] ) ? $_REQUEST['redirect_to'] : ''; |
| 644 |
$redirect_to = user_can( $user, 'edit_posts' ) ? admin_url() : self::profile_page_url(); |
| 645 |
|
| 646 |
// If we have a saved redirect to request in a cookie |
| 647 |
if ( ! empty( $_COOKIE['jetpack_sso_redirect_to'] ) ) { |
| 648 |
// Set that as the requested redirect to |
| 649 |
$redirect_to = $_request_redirect_to = esc_url_raw( $_COOKIE['jetpack_sso_redirect_to'] ); |
| 650 |
// And then purge it |
| 651 |
setcookie( 'jetpack_sso_redirect_to', ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN ); |
| 652 |
} |
| 653 |
|
| 654 |
wp_safe_redirect( apply_filters( 'login_redirect', $redirect_to, $_request_redirect_to, $user ) ); |
| 655 |
exit; |
| 656 |
} |
| 657 |
|
| 658 |
$this->user_data = $user_data; |
| 659 |
do_action( 'wp_login_failed', $user_data->login ); |
| 660 |
add_action( 'login_message', array( $this, 'cant_find_user' ) ); |
| 661 |
} |
| 662 |
|
| 663 |
static function profile_page_url() { |
| 664 |
return admin_url( 'profile.php' ); |
| 665 |
} |
| 666 |
|
| 667 |
static function match_by_email() { |
| 668 |
$match_by_email = ( 1 == get_option( 'jetpack_sso_match_by_email', true ) ) ? true: false; |
| 669 |
$match_by_email = defined( 'WPCC_MATCH_BY_EMAIL' ) ? WPCC_MATCH_BY_EMAIL : $match_by_email; |
| 670 |
|
| 671 |
return apply_filters( 'jetpack_sso_match_by_email', $match_by_email ); |
| 672 |
} |
| 673 |
|
| 674 |
static function new_user_override() { |
| 675 |
$new_user_override = defined( 'WPCC_NEW_USER_OVERRIDE' ) ? WPCC_NEW_USER_OVERRIDE : false; |
| 676 |
return apply_filters( 'jetpack_sso_new_user_override', $new_user_override ); |
| 677 |
} |
| 678 |
|
| 679 |
function allowed_redirect_hosts( $hosts ) { |
| 680 |
if ( empty( $hosts ) ) { |
| 681 |
$hosts = array(); |
| 682 |
} |
| 683 |
$hosts[] = 'wordpress.com'; |
| 684 |
|
| 685 |
return array_unique( $hosts ); |
| 686 |
} |
| 687 |
|
| 688 |
function button( $args = array() ) { |
| 689 |
$defaults = array( |
| 690 |
'action' => 'jetpack-sso', |
| 691 |
); |
| 692 |
|
| 693 |
$args = wp_parse_args( $args, $defaults ); |
| 694 |
|
| 695 |
if ( ! empty( $_GET['redirect_to'] ) ) { |
| 696 |
$args['redirect_to'] = esc_url_raw( $_GET['redirect_to'] ); |
| 697 |
} |
| 698 |
|
| 699 |
$url = add_query_arg( $args, wp_login_url() ); |
| 700 |
|
| 701 |
$css = "<style> |
| 702 |
.jetpack-sso.button { |
| 703 |
position: relative; |
| 704 |
padding-left: 37px; |
| 705 |
} |
| 706 |
.jetpack-sso.button:before { |
| 707 |
display: block; |
| 708 |
box-sizing: border-box; |
| 709 |
padding: 7px 0 0; |
| 710 |
text-align: center; |
| 711 |
position: absolute; |
| 712 |
top: -1px; |
| 713 |
left: -1px; |
| 714 |
border-radius: 2px 0 0 2px; |
| 715 |
content: '\\f205'; |
| 716 |
background: #0074a2; |
| 717 |
color: #fff; |
| 718 |
-webkit-font-smoothing: antialiased; |
| 719 |
width: 30px; |
| 720 |
height: 107%; |
| 721 |
height: calc( 100% + 2px ); |
| 722 |
font: normal 22px/1 Genericons !important; |
| 723 |
text-shadow: none; |
| 724 |
} |
| 725 |
@media screen and (min-width: 783px) { |
| 726 |
.jetpack-sso.button:before { |
| 727 |
padding-top: 3px; |
| 728 |
} |
| 729 |
} |
| 730 |
.jetpack-sso.button:hover { |
| 731 |
border: 1px solid #aaa; |
| 732 |
}"; |
| 733 |
|
| 734 |
if ( version_compare( $GLOBALS['wp_version'], '3.8-alpha', '<' ) ) { |
| 735 |
$css .= " |
| 736 |
.jetpack-sso.button:before { |
| 737 |
width: 25px; |
| 738 |
font-size: 18px !important; |
| 739 |
} |
| 740 |
"; |
| 741 |
} |
| 742 |
|
| 743 |
$css .= "</style>"; |
| 744 |
|
| 745 |
$button = sprintf( '<a href="%1$s" class="jetpack-sso button">%2$s</a>', esc_url( $url ), esc_html__( 'Log in with WordPress.com', 'jetpack' ) ); |
| 746 |
return $button . $css; |
| 747 |
} |
| 748 |
|
| 749 |
function build_sso_url( $args = array() ) { |
| 750 |
$defaults = array( |
| 751 |
'action' => 'jetpack-sso', |
| 752 |
'site_id' => Jetpack_Options::get_option( 'id' ), |
| 753 |
'sso_nonce' => self::request_initial_nonce(), |
| 754 |
); |
| 755 |
|
| 756 |
if ( isset( $_GET['state'] ) && check_admin_referer( $_GET['state'] ) ) { |
| 757 |
$defaults['state'] = rawurlencode( $_GET['state'] . '|' . $_GET['_wpnonce'] ); |
| 758 |
} |
| 759 |
|
| 760 |
$args = wp_parse_args( $args, $defaults ); |
| 761 |
$url = add_query_arg( $args, 'https://wordpress.com/wp-login.php' ); |
| 762 |
|
| 763 |
return $url; |
| 764 |
} |
| 765 |
|
| 766 |
/** |
| 767 |
* Determines local user associated with a given WordPress.com user ID. |
| 768 |
* |
| 769 |
* @since 2.6.0 |
| 770 |
* |
| 771 |
* @param int $wpcom_user_id User ID from WordPress.com |
| 772 |
* @return object Local user object if found, null if not. |
| 773 |
*/ |
| 774 |
static function get_user_by_wpcom_id( $wpcom_user_id ) { |
| 775 |
$user_query = new WP_User_Query( array( |
| 776 |
'meta_key' => 'wpcom_user_id', |
| 777 |
'meta_value' => intval( $wpcom_user_id ), |
| 778 |
'number' => 1, |
| 779 |
) ); |
| 780 |
|
| 781 |
$users = $user_query->get_results(); |
| 782 |
return $users ? array_shift( $users ) : null; |
| 783 |
} |
| 784 |
|
| 785 |
/** |
| 786 |
* Error message displayed on the login form when two step is required and |
| 787 |
* the user's account on WordPress.com does not have two step enabled. |
| 788 |
* |
| 789 |
* @since 2.7 |
| 790 |
* @param string $message |
| 791 |
* @return string |
| 792 |
**/ |
| 793 |
public function error_msg_enable_two_step( $message ) { |
| 794 |
$err = __( sprintf( 'This site requires two step authentication be enabled for your user account on WordPress.com. Please visit the <a href="%1$s"> Security Settings</a> page to enable two step', 'https://wordpress.com/me/security/two-step' ) , 'jetpack' ); |
| 795 |
|
| 796 |
$message .= sprintf( '<p class="message" id="login_error">%s</p>', $err ); |
| 797 |
|
| 798 |
return $message; |
| 799 |
} |
| 800 |
|
| 801 |
/** |
| 802 |
* Error message displayed when the user tries to SSO, but match by email |
| 803 |
* is off and they already have an account with their email address on |
| 804 |
* this site. |
| 805 |
* |
| 806 |
* @param string $message |
| 807 |
* @return string |
| 808 |
*/ |
| 809 |
public function error_msg_email_already_exists( $message ) { |
| 810 |
$err = __( sprintf( 'You already have an account on this site. Please visit your <a href="%1$s">profile page</a> page to link your account to WordPress.com!', admin_url( 'profile.php' ) ) , 'jetpack' ); |
| 811 |
|
| 812 |
$message .= sprintf( '<p class="message" id="login_error">%s</p>', $err ); |
| 813 |
|
| 814 |
return $message; |
| 815 |
} |
| 816 |
|
| 817 |
/** |
| 818 |
* Message displayed when the site admin has disabled the default WordPress |
| 819 |
* login form in Settings > General > Single Sign On |
| 820 |
* |
| 821 |
* @since 2.7 |
| 822 |
* @param string $message |
| 823 |
* @return string |
| 824 |
**/ |
| 825 |
public function msg_login_by_jetpack( $message ) { |
| 826 |
|
| 827 |
$msg = __( sprintf( 'Jetpack authenticates through WordPress.com — to log in, enter your WordPress.com username and password, or <a href="%1$s">visit WordPress.com</a> to create a free account now.', 'http://wordpress.com/signup' ) , 'jetpack' ); |
| 828 |
|
| 829 |
$msg = apply_filters( 'jetpack_sso_disclaimer_message', $msg ); |
| 830 |
|
| 831 |
$message .= sprintf( '<p class="message">%s</p>', $msg ); |
| 832 |
return $message; |
| 833 |
} |
| 834 |
|
| 835 |
/** |
| 836 |
* Error message displayed on the login form when the user attempts |
| 837 |
* to post to the login form and it is disabled. |
| 838 |
* |
| 839 |
* @since 2.8 |
| 840 |
* @param string $message |
| 841 |
* @param string |
| 842 |
**/ |
| 843 |
public function error_msg_login_method_not_allowed( $message ) { |
| 844 |
$err = __( 'Login method not allowed' , 'jetpack' ); |
| 845 |
$message .= sprintf( '<p class="message" id="login_error">%s</p>', $err ); |
| 846 |
|
| 847 |
return $message; |
| 848 |
} |
| 849 |
function cant_find_user( $message ) { |
| 850 |
if ( self::match_by_email() ) { |
| 851 |
$err_format = __( 'We couldn\'t find an account with the email <strong><code>%1$s</code></strong> to log you in with. If you already have an account on <strong>%2$s</strong>, please make sure that <strong><code>%1$s</code></strong> is configured as the email address, or that you have connected to WordPress.com on your profile page.', 'jetpack' ); |
| 852 |
} else { |
| 853 |
$err_format = __( 'We couldn\'t find any account on <strong>%2$s</strong> that is linked to your WordPress.com account to log you in with. If you already have an account on <strong>%2$s</strong>, please make sure that you have connected to WordPress.com on your profile page.', 'jetpack' ); |
| 854 |
} |
| 855 |
$err = sprintf( $err_format, $this->user_data->email, get_bloginfo( 'name' ) ); |
| 856 |
$message .= sprintf( '<p class="message" id="login_error">%s</p>', $err ); |
| 857 |
return $message; |
| 858 |
} |
| 859 |
|
| 860 |
/** |
| 861 |
* Deal with user connections... |
| 862 |
*/ |
| 863 |
function admin_init() { |
| 864 |
add_action( 'show_user_profile', array( $this, 'edit_profile_fields' ) ); // For their own profile |
| 865 |
add_action( 'edit_user_profile', array( $this, 'edit_profile_fields' ) ); // For folks editing others profiles |
| 866 |
|
| 867 |
if ( isset( $_GET['jetpack_sso'] ) && 'purge' == $_GET['jetpack_sso'] && check_admin_referer( 'jetpack_sso_purge' ) ) { |
| 868 |
$user = wp_get_current_user(); |
| 869 |
// Remove the connection on the wpcom end. |
| 870 |
self::delete_connection_for_user( $user->ID ); |
| 871 |
// Clear it locally. |
| 872 |
delete_user_meta( $user->ID, 'wpcom_user_id' ); |
| 873 |
delete_user_meta( $user->ID, 'wpcom_user_data' ); |
| 874 |
// Forward back to the profile page. |
| 875 |
wp_safe_redirect( remove_query_arg( array( 'jetpack_sso', '_wpnonce' ) ) ); |
| 876 |
} |
| 877 |
} |
| 878 |
|
| 879 |
/** |
| 880 |
* Determines if a local user is connected to WordPress.com |
| 881 |
* |
| 882 |
* @since 2.8 |
| 883 |
* @param integer $user_id - Local user id |
| 884 |
* @return boolean |
| 885 |
**/ |
| 886 |
public function is_user_connected( $user_id ) { |
| 887 |
return $this->get_user_data( $user_id ) ; |
| 888 |
} |
| 889 |
|
| 890 |
/** |
| 891 |
* Retrieves a user's WordPress.com data |
| 892 |
* |
| 893 |
* @since 2.8 |
| 894 |
* @param integer $user_id - Local user id |
| 895 |
* @return mixed null or stdClass |
| 896 |
**/ |
| 897 |
public function get_user_data( $user_id ) { |
| 898 |
return get_user_meta( $user_id, 'wpcom_user_data', true ); |
| 899 |
} |
| 900 |
|
| 901 |
function edit_profile_fields( $user ) { |
| 902 |
wp_enqueue_style( 'genericons' ); |
| 903 |
?> |
| 904 |
|
| 905 |
<h3><?php _e( 'WordPress.com Single Sign On', 'jetpack' ); ?></h3> |
| 906 |
<p><?php _e( 'Connecting with WordPress.com SSO enables you to log in via your WordPress.com account.', 'jetpack' ); ?></p> |
| 907 |
|
| 908 |
<?php if ( $this->is_user_connected( $user->ID ) ) : /* If the user is currently connected... */ ?> |
| 909 |
<?php $user_data = $this->get_user_data( $user->ID ); ?> |
| 910 |
<table class="form-table jetpack-sso-form-table"> |
| 911 |
<tbody> |
| 912 |
<tr> |
| 913 |
<td> |
| 914 |
<div class="profile-card"> |
| 915 |
<?php echo get_avatar( $user_data->email ); ?> |
| 916 |
<p class="connected"><strong><?php _e( 'Connected', 'jetpack' ); ?></strong></p> |
| 917 |
<p><?php echo esc_html( $user_data->login ); ?></p> |
| 918 |
<span class="two_step"> |
| 919 |
<?php |
| 920 |
if( $user_data->two_step_enabled ) { |
| 921 |
?> <p class="enabled"><a href="https://wordpress.com/me/security/two-step"><?php _e( 'Two-Step Authentication Enabled', 'jetpack' ); ?></a></p> <?php |
| 922 |
} else { |
| 923 |
?> <p class="disabled"><a href="https://wordpress.com/me/security/two-step"><?php _e( 'Two-Step Authentication Disabled', 'jetpack' ); ?></a></p> <?php |
| 924 |
} |
| 925 |
?> |
| 926 |
</span> |
| 927 |
|
| 928 |
</div> |
| 929 |
<p><a class="button button-secondary" href="<?php echo esc_url( wp_nonce_url( add_query_arg( 'jetpack_sso', 'purge' ), 'jetpack_sso_purge' ) ); ?>"><?php _e( 'Unlink This Account', 'jetpack' ); ?></a></p> |
| 930 |
</td> |
| 931 |
</tr> |
| 932 |
</tbody> |
| 933 |
</table> |
| 934 |
|
| 935 |
<style> |
| 936 |
.jetpack-sso-form-table td { |
| 937 |
padding-left: 0; |
| 938 |
} |
| 939 |
|
| 940 |
.jetpack-sso-form-table .profile-card { |
| 941 |
padding: 10px; |
| 942 |
background: #fff; |
| 943 |
overflow: hidden; |
| 944 |
max-width: 400px; |
| 945 |
box-shadow: 0 1px 2px rgba( 0, 0, 0, 0.1 ); |
| 946 |
margin-bottom: 1em; |
| 947 |
} |
| 948 |
|
| 949 |
.jetpack-sso-form-table .profile-card img { |
| 950 |
float: left; |
| 951 |
margin-right: 1em; |
| 952 |
width: 48px; |
| 953 |
height: 48px; |
| 954 |
} |
| 955 |
|
| 956 |
.jetpack-sso-form-table .profile-card .connected { |
| 957 |
float: right; |
| 958 |
margin-right: 0.5em; |
| 959 |
color: #0a0; |
| 960 |
} |
| 961 |
|
| 962 |
.jetpack-sso-form-table .profile-card p { |
| 963 |
margin-top: 0.7em; |
| 964 |
font-size: 1.2em; |
| 965 |
} |
| 966 |
|
| 967 |
.jetpack-sso-form-table .profile-card .two_step .enabled a { |
| 968 |
float: right; |
| 969 |
color: #0a0; |
| 970 |
} |
| 971 |
|
| 972 |
.jetpack-sso-form-table .profile-card .two_step .disabled a { |
| 973 |
float: right; |
| 974 |
color: red; |
| 975 |
} |
| 976 |
</style> |
| 977 |
|
| 978 |
<?php elseif ( get_current_user_id() == $user->ID ) : ?> |
| 979 |
|
| 980 |
<?php echo $this->button( 'state=sso-link-user&_wpnonce=' . wp_create_nonce('sso-link-user') ); // update ?> |
| 981 |
|
| 982 |
<?php else : ?> |
| 983 |
|
| 984 |
<p><?php _e( 'This profile is not currently linked to a WordPress.com Profile.', 'jetpack' ); ?></p> |
| 985 |
|
| 986 |
<?php endif; |
| 987 |
} |
| 988 |
} |
| 989 |
|
| 990 |
Jetpack_SSO::get_instance(); |
| 991 |
|
