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Jetpack – WP Security, Backup, Speed, & Growth / 16.3-a.1
Jetpack – WP Security, Backup, Speed, & Growth v16.3-a.1
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← All changes | modules/sso.php +13 -1244 12.5.216.3-a.1 View file →
@@ -1,23 +1,8 @@
1 -<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
1 +<?php
2 2 /**
3 - * Jetpack_SSO module main class file.
4 - *
5 - * @package automattic/jetpack
6 - */
7 -
8 -use Automattic\Jetpack\Connection\Manager as Connection_Manager;
9 -use Automattic\Jetpack\Roles;
10 -use Automattic\Jetpack\Status;
11 -use Automattic\Jetpack\Status\Host;
12 -use Automattic\Jetpack\Tracking;
13 -
14 -require_once JETPACK__PLUGIN_DIR . 'modules/sso/class.jetpack-sso-helpers.php';
15 -require_once JETPACK__PLUGIN_DIR . 'modules/sso/class.jetpack-sso-notices.php';
16 -
17 -/**
18 3 * Module Name: Secure Sign On
19 - * Module Description: Allow users to log in to this site using WordPress.com accounts
4 + * Module Description: Let users log in with their WordPress.com account for quick, secure access.
20 5 * Sort Order: 30
21 6 * Recommendation Order: 5
22 7 * First Introduced: 2.6
23 8 * Requires Connection: Yes
@@ -25,1238 +10,22 @@
25 10 * Auto Activate: No
26 11 * Module Tags: Developers
27 12 * Feature: Security
28 13 * Additional Search Queries: sso, single sign on, login, log in, 2fa, two-factor
14 + *
15 + * @package automattic/jetpack
29 16 */
30 -class Jetpack_SSO {
31 - /**
32 - * Jetpack_SSO instance.
33 - *
34 - * @var Jetpack_SSO
35 - */
36 - public static $instance = null;
37 17
38 - /**
39 - * Jetpack_SSO constructor.
40 - */
41 - private function __construct() {
18 +use Automattic\Jetpack\Connection\SSO;
42 19
43 - self::$instance = $this;
20 +if ( ! defined( 'ABSPATH' ) ) {
21 + exit( 0 );
22 +}
44 23
45 - add_action( 'admin_init', array( $this, 'maybe_authorize_user_after_sso' ), 1 );
46 - add_action( 'admin_init', array( $this, 'register_settings' ) );
47 - add_action( 'login_init', array( $this, 'login_init' ) );
48 - add_action( 'delete_user', array( $this, 'delete_connection_for_user' ) );
49 - add_filter( 'jetpack_xmlrpc_methods', array( $this, 'xmlrpc_methods' ) );
50 - add_action( 'init', array( $this, 'maybe_logout_user' ), 5 );
51 - add_action( 'jetpack_modules_loaded', array( $this, 'module_configure_button' ) );
52 - add_action( 'login_form_logout', array( $this, 'store_wpcom_profile_cookies_on_logout' ) );
53 - add_action( 'jetpack_unlinked_user', array( $this, 'delete_connection_for_user' ) );
54 - add_action( 'jetpack_site_before_disconnected', array( static::class, 'disconnect' ) );
55 - add_action( 'wp_login', array( 'Jetpack_SSO', 'clear_cookies_after_login' ) );
24 +SSO::get_instance();
56 25
57 - // Adding this action so that on login_init, the action won't be sanitized out of the $action global.
58 - add_action( 'login_form_jetpack-sso', '__return_true' );
59 -
60 - add_filter( 'wp_login_errors', array( $this, 'sso_reminder_logout_wpcom' ) );
61 - }
62 -
63 - /**
64 - * Returns the single instance of the Jetpack_SSO object
65 - *
66 - * @since 2.8
67 - * @return Jetpack_SSO
68 - **/
69 - public static function get_instance() {
70 - if ( self::$instance !== null ) {
71 - return self::$instance;
72 - }
73 -
74 - self::$instance = new Jetpack_SSO();
75 - return self::$instance;
76 - }
77 -
78 - /**
79 - * Add configure button and functionality to the module card on the Jetpack screen
80 - **/
81 - public static function module_configure_button() {
26 +add_action(
27 + 'jetpack_modules_loaded',
28 + function () {
82 29 Jetpack::enable_module_configurable( __FILE__ );
83 30 }
84 -
85 - /**
86 - * Safety heads-up added to the logout messages when SSO is enabled.
87 - * Some folks on a shared computer don't know that they need to log out of WordPress.com as well.
88 - *
89 - * @param WP_Error $errors WP_Error object.
90 - */
91 - public function sso_reminder_logout_wpcom( $errors ) {
92 - if ( ( new Host() )->is_wpcom_platform() ) {
93 - return $errors;
94 - }
95 -
96 - if ( ! empty( $errors->errors['loggedout'] ) ) {
97 - $logout_message = wp_kses(
98 - sprintf(
99 - /* translators: %1$s is a link to the WordPress.com account settings page. */
100 - __( 'If you are on a shared computer, remember to also <a href="%1$s">log out of WordPress.com</a>.', 'jetpack' ),
101 - 'https://wordpress.com/me'
102 - ),
103 - array(
104 - 'a' => array(
105 - 'href' => array(),
106 - ),
107 - )
108 - );
109 - $errors->add( 'jetpack-sso-show-logout', $logout_message, 'message' );
110 - }
111 - return $errors;
112 - }
113 -
114 - /**
115 - * If jetpack_force_logout == 1 in current user meta the user will be forced
116 - * to logout and reauthenticate with the site.
117 - **/
118 - public function maybe_logout_user() {
119 - global $current_user;
120 -
121 - if ( 1 === (int) $current_user->jetpack_force_logout ) {
122 - delete_user_meta( $current_user->ID, 'jetpack_force_logout' );
123 - self::delete_connection_for_user( $current_user->ID );
124 - wp_logout();
125 - wp_safe_redirect( wp_login_url() );
126 - exit;
127 - }
128 - }
129 -
130 - /**
131 - * Adds additional methods the WordPress xmlrpc API for handling SSO specific features
132 - *
133 - * @param array $methods API methods.
134 - * @return array
135 - **/
136 - public function xmlrpc_methods( $methods ) {
137 - $methods['jetpack.userDisconnect'] = array( $this, 'xmlrpc_user_disconnect' );
138 - return $methods;
139 - }
140 -
141 - /**
142 - * Marks a user's profile for disconnect from WordPress.com and forces a logout
143 - * the next time the user visits the site.
144 - *
145 - * @param int $user_id User to disconnect from the site.
146 - **/
147 - public function xmlrpc_user_disconnect( $user_id ) {
148 - $user_query = new WP_User_Query(
149 - array(
150 - 'meta_key' => 'wpcom_user_id',
151 - 'meta_value' => $user_id,
152 - )
153 - );
154 - $user = $user_query->get_results();
155 - $user = $user[0];
156 -
157 - if ( $user instanceof WP_User ) {
158 - $user = wp_set_current_user( $user->ID );
159 - update_user_meta( $user->ID, 'jetpack_force_logout', '1' );
160 - self::delete_connection_for_user( $user->ID );
161 - return true;
162 - }
163 - return false;
164 - }
165 -
166 - /**
167 - * Enqueues scripts and styles necessary for SSO login.
168 - */
169 - public function login_enqueue_scripts() {
170 - global $action;
171 -
172 - if ( ! Jetpack_SSO_Helpers::display_sso_form_for_action( $action ) ) {
173 - return;
174 - }
175 -
176 - if ( is_rtl() ) {
177 - wp_enqueue_style( 'jetpack-sso-login', plugins_url( 'modules/sso/jetpack-sso-login-rtl.css', JETPACK__PLUGIN_FILE ), array( 'login', 'genericons' ), JETPACK__VERSION );
178 - } else {
179 - wp_enqueue_style( 'jetpack-sso-login', plugins_url( 'modules/sso/jetpack-sso-login.css', JETPACK__PLUGIN_FILE ), array( 'login', 'genericons' ), JETPACK__VERSION );
180 - }
181 -
182 - wp_enqueue_script( 'jetpack-sso-login', plugins_url( 'modules/sso/jetpack-sso-login.js', JETPACK__PLUGIN_FILE ), array( 'jquery' ), JETPACK__VERSION, false );
183 - }
184 -
185 - /**
186 - * Adds Jetpack SSO classes to login body
187 - *
188 - * @param array $classes Array of classes to add to body tag.
189 - * @return array Array of classes to add to body tag.
190 - */
191 - public function login_body_class( $classes ) {
192 - global $action;
193 -
194 - if ( ! Jetpack_SSO_Helpers::display_sso_form_for_action( $action ) ) {
195 - return $classes;
196 - }
197 -
198 - // Always add the jetpack-sso class so that we can add SSO specific styling even when the SSO form isn't being displayed.
199 - $classes[] = 'jetpack-sso';
200 -
201 - if ( ! ( new Status() )->is_staging_site() ) {
202 - /**
203 - * Should we show the SSO login form?
204 - *
205 - * $_GET['jetpack-sso-default-form'] is used to provide a fallback in case JavaScript is not enabled.
206 - *
207 - * The default_to_sso_login() method allows us to dynamically decide whether we show the SSO login form or not.
208 - * The SSO module uses the method to display the default login form if we can not find a user to log in via SSO.
209 - * But, the method could be filtered by a site admin to always show the default login form if that is preferred.
210 - */
211 - if ( empty( $_GET['jetpack-sso-show-default-form'] ) && Jetpack_SSO_Helpers::show_sso_login() ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
212 - $classes[] = 'jetpack-sso-form-display';
213 - }
214 - }
215 -
216 - return $classes;
217 - }
218 -
219 - /**
220 - * Inlined admin styles for SSO.
221 - */
222 - public function print_inline_admin_css() {
223 - ?>
224 - <style>
225 - .jetpack-sso .message {
226 - margin-top: 20px;
227 - }
228 -
229 - .jetpack-sso #login .message:first-child,
230 - .jetpack-sso #login h1 + .message {
231 - margin-top: 0;
232 - }
233 - </style>
234 - <?php
235 - }
236 -
237 - /**
238 - * Adds settings fields to Settings > General > Secure Sign On that allows users to
239 - * turn off the login form on wp-login.php
240 - *
241 - * @since 2.7
242 - **/
243 - public function register_settings() {
244 -
245 - add_settings_section(
246 - 'jetpack_sso_settings',
247 - __( 'Secure Sign On', 'jetpack' ),
248 - '__return_false',
249 - 'jetpack-sso'
250 - );
251 -
252 - /*
253 - * Settings > General > Secure Sign On
254 - * Require two step authentication
255 - */
256 - register_setting(
257 - 'jetpack-sso',
258 - 'jetpack_sso_require_two_step',
259 - array( $this, 'validate_jetpack_sso_require_two_step' )
260 - );
261 -
262 - add_settings_field(
263 - 'jetpack_sso_require_two_step',
264 - '', // Output done in render $callback: __( 'Require Two-Step Authentication' , 'jetpack' ).
265 - array( $this, 'render_require_two_step' ),
266 - 'jetpack-sso',
267 - 'jetpack_sso_settings'
268 - );
269 -
270 - /*
271 - * Settings > General > Secure Sign On
272 - */
273 - register_setting(
274 - 'jetpack-sso',
275 - 'jetpack_sso_match_by_email',
276 - array( $this, 'validate_jetpack_sso_match_by_email' )
277 - );
278 -
279 - add_settings_field(
280 - 'jetpack_sso_match_by_email',
281 - '', // Output done in render $callback: __( 'Match by Email' , 'jetpack' ).
282 - array( $this, 'render_match_by_email' ),
283 - 'jetpack-sso',
284 - 'jetpack_sso_settings'
285 - );
286 - }
287 -
288 - /**
289 - * Builds the display for the checkbox allowing user to require two step
290 - * auth be enabled on WordPress.com accounts before login. Displays in Settings > General
291 - *
292 - * @since 2.7
293 - **/
294 - public function render_require_two_step() {
295 - ?>
296 - <label>
297 - <input
298 - type="checkbox"
299 - name="jetpack_sso_require_two_step"
300 - <?php checked( Jetpack_SSO_Helpers::is_two_step_required() ); ?>
301 - <?php disabled( Jetpack_SSO_Helpers::is_require_two_step_checkbox_disabled() ); ?>
302 - >
303 - <?php esc_html_e( 'Require Two-Step Authentication', 'jetpack' ); ?>
304 - </label>
305 - <?php
306 - }
307 -
308 - /**
309 - * Validate the require two step checkbox in Settings > General.
310 - *
311 - * @param bool $input The jetpack_sso_require_two_step option setting.
312 - *
313 - * @since 2.7
314 - * @return boolean
315 - **/
316 - public function validate_jetpack_sso_require_two_step( $input ) {
317 - return ( ! empty( $input ) ) ? 1 : 0;
318 - }
319 -
320 - /**
321 - * Builds the display for the checkbox allowing the user to allow matching logins by email
322 - * Displays in Settings > General
323 - *
324 - * @since 2.9
325 - **/
326 - public function render_match_by_email() {
327 - ?>
328 - <label>
329 - <input
330 - type="checkbox"
331 - name="jetpack_sso_match_by_email"
332 - <?php checked( Jetpack_SSO_Helpers::match_by_email() ); ?>
333 - <?php disabled( Jetpack_SSO_Helpers::is_match_by_email_checkbox_disabled() ); ?>
334 - >
335 - <?php esc_html_e( 'Match by Email', 'jetpack' ); ?>
336 - </label>
337 - <?php
338 - }
339 -
340 - /**
341 - * Validate the match by email check in Settings > General.
342 - *
343 - * @param bool $input The jetpack_sso_match_by_email option setting.
344 - *
345 - * @since 2.9
346 - * @return boolean
347 - **/
348 - public function validate_jetpack_sso_match_by_email( $input ) {
349 - return ( ! empty( $input ) ) ? 1 : 0;
350 - }
351 -
352 - /**
353 - * Checks to determine if the user wants to login on wp-login
354 - *
355 - * This function mostly exists to cover the exceptions to login
356 - * that may exist as other parameters to $_GET[action] as $_GET[action]
357 - * does not have to exist. By default WordPress assumes login if an action
358 - * is not set, however this may not be true, as in the case of logout
359 - * where $_GET[loggedout] is instead set
360 - *
361 - * @return boolean
362 - **/
363 - private function wants_to_login() {
364 - $wants_to_login = false;
365 -
366 - // Cover default WordPress behavior.
367 - $action = isset( $_REQUEST['action'] ) ? filter_var( wp_unslash( $_REQUEST['action'] ) ) : 'login'; // phpcs:ignore WordPress.Security.NonceVerification.Recommended
368 -
369 - // And now the exceptions.
370 - $action = isset( $_GET['loggedout'] ) ? 'loggedout' : $action; // phpcs:ignore WordPress.Security.NonceVerification.Recommended
371 -
372 - if ( Jetpack_SSO_Helpers::display_sso_form_for_action( $action ) ) {
373 - $wants_to_login = true;
374 - }
375 -
376 - return $wants_to_login;
377 - }
378 -
379 - /**
380 - * Initialization for a SSO request.
381 - */
382 - public function login_init() {
383 - global $action;
384 -
385 - $tracking = new Tracking();
386 -
387 - if ( Jetpack_SSO_Helpers::should_hide_login_form() ) {
388 - /**
389 - * Since the default authenticate filters fire at priority 20 for checking username and password,
390 - * let's fire at priority 30. wp_authenticate_spam_check is fired at priority 99, but since we return a
391 - * WP_Error in disable_default_login_form, then we won't trigger spam processing logic.
392 - */
393 - add_filter( 'authenticate', array( 'Jetpack_SSO_Notices', 'disable_default_login_form' ), 30 );
394 -
395 - /**
396 - * Filter the display of the disclaimer message appearing when default WordPress login form is disabled.
397 - *
398 - * @module sso
399 - *
400 - * @since 2.8.0
401 - *
402 - * @param bool true Should the disclaimer be displayed. Default to true.
403 - */
404 - $display_sso_disclaimer = apply_filters( 'jetpack_sso_display_disclaimer', true );
405 - if ( $display_sso_disclaimer ) {
406 - add_filter( 'login_message', array( 'Jetpack_SSO_Notices', 'msg_login_by_jetpack' ) );
407 - }
408 - }
409 -
410 - if ( 'jetpack-sso' === $action ) {
411 - if ( isset( $_GET['result'] ) && isset( $_GET['user_id'] ) && isset( $_GET['sso_nonce'] ) && 'success' === $_GET['result'] ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
412 - $this->handle_login();
413 - $this->display_sso_login_form();
414 - } elseif ( ( new Status() )->is_staging_site() ) {
415 - add_filter( 'login_message', array( 'Jetpack_SSO_Notices', 'sso_not_allowed_in_staging' ) );
416 - } else {
417 - // Is it wiser to just use wp_redirect than do this runaround to wp_safe_redirect?
418 - add_filter( 'allowed_redirect_hosts', array( 'Jetpack_SSO_Helpers', 'allowed_redirect_hosts' ) );
419 - $reauth = ! empty( $_GET['force_reauth'] ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended
420 - $sso_url = $this->get_sso_url_or_die( $reauth );
421 -
422 - $tracking->record_user_event( 'sso_login_redirect_success' );
423 - wp_safe_redirect( $sso_url );
424 - exit;
425 - }
426 - } elseif ( Jetpack_SSO_Helpers::display_sso_form_for_action( $action ) ) {
427 -
428 - // Save cookies so we can handle redirects after SSO.
429 - static::save_cookies();
430 -
431 - /**
432 - * Check to see if the site admin wants to automagically forward the user
433 - * to the WordPress.com login page AND that the request to wp-login.php
434 - * is not something other than login (Like logout!)
435 - */
436 - if ( Jetpack_SSO_Helpers::bypass_login_forward_wpcom() && $this->wants_to_login() ) {
437 - add_filter( 'allowed_redirect_hosts', array( 'Jetpack_SSO_Helpers', 'allowed_redirect_hosts' ) );
438 - $reauth = ! empty( $_GET['force_reauth'] ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended
439 - $sso_url = $this->get_sso_url_or_die( $reauth );
440 - $tracking->record_user_event( 'sso_login_redirect_bypass_success' );
441 - wp_safe_redirect( $sso_url );
442 - exit;
443 - }
444 -
445 - $this->display_sso_login_form();
446 - }
447 - }
448 -
449 - /**
450 - * Ensures that we can get a nonce from WordPress.com via XML-RPC before setting
451 - * up the hooks required to display the SSO form.
452 - */
453 - public function display_sso_login_form() {
454 - add_filter( 'login_body_class', array( $this, 'login_body_class' ) );
455 - add_action( 'login_head', array( $this, 'print_inline_admin_css' ) );
456 -
457 - if ( ( new Status() )->is_staging_site() ) {
458 - add_filter( 'login_message', array( 'Jetpack_SSO_Notices', 'sso_not_allowed_in_staging' ) );
459 - return;
460 - }
461 -
462 - $sso_nonce = self::request_initial_nonce();
463 - if ( is_wp_error( $sso_nonce ) ) {
464 - return;
465 - }
466 -
467 - add_action( 'login_form', array( $this, 'login_form' ) );
468 - add_action( 'login_enqueue_scripts', array( $this, 'login_enqueue_scripts' ) );
469 - }
470 -
471 - /**
472 - * Conditionally save the redirect_to url as a cookie.
473 - *
474 - * @since 4.6.0 Renamed to save_cookies from maybe_save_redirect_cookies
475 - */
476 - public static function save_cookies() {
477 - if ( headers_sent() ) {
478 - return new WP_Error( 'headers_sent', __( 'Cannot deal with cookie redirects, as headers are already sent.', 'jetpack' ) );
479 - }
480 -
481 - setcookie(
482 - 'jetpack_sso_original_request',
483 - // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Sniff misses the wrapping esc_url_raw().
484 - esc_url_raw( set_url_scheme( ( isset( $_SERVER['HTTP_HOST'] ) ? wp_unslash( $_SERVER['HTTP_HOST'] ) : '' ) . ( isset( $_SERVER['REQUEST_URI'] ) ? wp_unslash( $_SERVER['REQUEST_URI'] ) : '' ) ) ),
485 - time() + HOUR_IN_SECONDS,
486 - COOKIEPATH,
487 - COOKIE_DOMAIN,
488 - is_ssl(),
489 - true
490 - );
491 -
492 - if ( ! empty( $_GET['redirect_to'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
493 - // If we have something to redirect to.
494 - $url = esc_url_raw( wp_unslash( $_GET['redirect_to'] ) ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended
495 - setcookie( 'jetpack_sso_redirect_to', $url, time() + HOUR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN, is_ssl(), true );
496 - } elseif ( ! empty( $_COOKIE['jetpack_sso_redirect_to'] ) ) {
497 - // Otherwise, if it's already set, purge it.
498 - setcookie( 'jetpack_sso_redirect_to', ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN, is_ssl(), true );
499 - }
500 - }
501 -
502 - /**
503 - * Outputs the Jetpack SSO button and description as well as the toggle link
504 - * for switching between Jetpack SSO and default login.
505 - */
506 - public function login_form() {
507 - $site_name = get_bloginfo( 'name' );
508 - if ( ! $site_name ) {
509 - $site_name = get_bloginfo( 'url' );
510 - }
511 -
512 - $display_name = ! empty( $_COOKIE[ 'jetpack_sso_wpcom_name_' . COOKIEHASH ] )
513 - ? sanitize_text_field( wp_unslash( $_COOKIE[ 'jetpack_sso_wpcom_name_' . COOKIEHASH ] ) )
514 - : false;
515 - $gravatar = ! empty( $_COOKIE[ 'jetpack_sso_wpcom_gravatar_' . COOKIEHASH ] )
516 - ? esc_url_raw( wp_unslash( $_COOKIE[ 'jetpack_sso_wpcom_gravatar_' . COOKIEHASH ] ) )
517 - : false;
518 -
519 - ?>
520 - <div id="jetpack-sso-wrap">
521 - <?php
522 - /**
523 - * Allow extension above Jetpack's SSO form.
524 - *
525 - * @module sso
526 - *
527 - * @since 8.6.0
528 - */
529 - do_action( 'jetpack_sso_login_form_above_wpcom' );
530 -
531 - if ( $display_name && $gravatar ) :
532 - ?>
533 - <div id="jetpack-sso-wrap__user">
534 - <img width="72" height="72" src="<?php echo esc_html( $gravatar ); ?>" />
535 -
536 - <h2>
537 - <?php
538 - echo wp_kses(
539 - /* translators: %s a user display name. */
540 - sprintf( __( 'Log in as <span>%s</span>', 'jetpack' ), esc_html( $display_name ) ),
541 - array( 'span' => true )
542 - );
543 - ?>
544 - </h2>
545 - </div>
546 -
547 - <?php endif; ?>
548 -
549 -
550 - <div id="jetpack-sso-wrap__action">
551 - <?php echo $this->build_sso_button( array(), 'is_primary' ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Escaping done in build_sso_button() ?>
552 -
553 - <?php if ( $display_name && $gravatar ) : ?>
554 - <a rel="nofollow" class="jetpack-sso-wrap__reauth" href="<?php echo esc_url( $this->build_sso_button_url( array( 'force_reauth' => '1' ) ) ); ?>">
555 - <?php esc_html_e( 'Log in as a different WordPress.com user', 'jetpack' ); ?>
556 - </a>
557 - <?php else : ?>
558 - <p>
559 - <?php
560 - /**
561 - * Filter the messeage displayed below the SSO button.
562 - *
563 - * @module sso
564 - *
565 - * @since 10.3.0
566 - *
567 - * @param string $sso_explanation Message displayed below the SSO button.
568 - */
569 - $sso_explanation = apply_filters(
570 - 'jetpack_sso_login_form_explanation_text',
571 - sprintf(
572 - /* Translators: %s is the name of the site. */
573 - __( 'You can now save time spent logging in by connecting your WordPress.com account to %s.', 'jetpack' ),
574 - esc_html( $site_name )
575 - )
576 - );
577 - echo esc_html( $sso_explanation );
578 - ?>
579 - </p>
580 - <?php endif; ?>
581 - </div>
582 -
583 - <?php
584 - /**
585 - * Allow extension below Jetpack's SSO form.
586 - *
587 - * @module sso
588 - *
589 - * @since 8.6.0
590 - */
591 - do_action( 'jetpack_sso_login_form_below_wpcom' );
592 -
593 - if ( ! Jetpack_SSO_Helpers::should_hide_login_form() ) :
594 - ?>
595 - <div class="jetpack-sso-or">
596 - <span><?php esc_html_e( 'Or', 'jetpack' ); ?></span>
597 - </div>
598 -
599 - <a href="<?php echo esc_url( add_query_arg( 'jetpack-sso-show-default-form', '1' ) ); ?>" class="jetpack-sso-toggle wpcom">
600 - <?php
601 - esc_html_e( 'Log in with username and password', 'jetpack' )
602 - ?>
603 - </a>
604 -
605 - <a href="<?php echo esc_url( add_query_arg( 'jetpack-sso-show-default-form', '0' ) ); ?>" class="jetpack-sso-toggle default">
606 - <?php
607 - esc_html_e( 'Log in with WordPress.com', 'jetpack' )
608 - ?>
609 - </a>
610 - <?php endif; ?>
611 - </div>
612 - <?php
613 - }
614 -
615 - /**
616 - * Clear the cookies that store the profile information for the last
617 - * WPCOM user to connect.
618 - */
619 - public static function clear_wpcom_profile_cookies() {
620 - if ( isset( $_COOKIE[ 'jetpack_sso_wpcom_name_' . COOKIEHASH ] ) ) {
621 - setcookie(
622 - 'jetpack_sso_wpcom_name_' . COOKIEHASH,
623 - ' ',
624 - time() - YEAR_IN_SECONDS,
625 - COOKIEPATH,
626 - COOKIE_DOMAIN,
627 - is_ssl(),
628 - true
629 - );
630 - }
631 -
632 - if ( isset( $_COOKIE[ 'jetpack_sso_wpcom_gravatar_' . COOKIEHASH ] ) ) {
633 - setcookie(
634 - 'jetpack_sso_wpcom_gravatar_' . COOKIEHASH,
635 - ' ',
636 - time() - YEAR_IN_SECONDS,
637 - COOKIEPATH,
638 - COOKIE_DOMAIN,
639 - is_ssl(),
640 - true
641 - );
642 - }
643 - }
644 -
645 - /**
646 - * Clear cookies that are no longer needed once the user has logged in.
647 - *
648 - * @since 4.8.0
649 - */
650 - public static function clear_cookies_after_login() {
651 - self::clear_wpcom_profile_cookies();
652 - if ( isset( $_COOKIE['jetpack_sso_nonce'] ) ) {
653 - setcookie(
654 - 'jetpack_sso_nonce',
655 - ' ',
656 - time() - YEAR_IN_SECONDS,
657 - COOKIEPATH,
658 - COOKIE_DOMAIN,
659 - is_ssl(),
660 - true
661 - );
662 - }
663 -
664 - if ( isset( $_COOKIE['jetpack_sso_original_request'] ) ) {
665 - setcookie(
666 - 'jetpack_sso_original_request',
667 - ' ',
668 - time() - YEAR_IN_SECONDS,
669 - COOKIEPATH,
670 - COOKIE_DOMAIN,
671 - is_ssl(),
672 - true
673 - );
674 - }
675 -
676 - if ( isset( $_COOKIE['jetpack_sso_redirect_to'] ) ) {
677 - setcookie(
678 - 'jetpack_sso_redirect_to',
679 - ' ',
680 - time() - YEAR_IN_SECONDS,
681 - COOKIEPATH,
682 - COOKIE_DOMAIN,
683 - is_ssl(),
684 - true
685 - );
686 - }
687 - }
688 -
689 - /**
690 - * Clean up after Jetpack gets disconnected.
691 - *
692 - * @since 10.7
693 - */
694 - public static function disconnect() {
695 - if ( Jetpack::connection()->is_user_connected() ) {
696 - static::delete_connection_for_user( get_current_user_id() );
697 - }
698 - }
699 -
700 - /**
701 - * Remove an SSO connection for a user.
702 - *
703 - * @param int $user_id The local user id.
704 - */
705 - public static function delete_connection_for_user( $user_id ) {
706 - $wpcom_user_id = get_user_meta( $user_id, 'wpcom_user_id', true );
707 - if ( ! $wpcom_user_id ) {
708 - return;
709 - }
710 -
711 - $xml = new Jetpack_IXR_Client(
712 - array(
713 - 'wpcom_user_id' => $user_id,
714 - )
715 - );
716 - $xml->query( 'jetpack.sso.removeUser', $wpcom_user_id );
717 -
718 - if ( $xml->isError() ) {
719 - return false;
720 - }
721 -
722 - // Clean up local data stored for SSO.
723 - delete_user_meta( $user_id, 'wpcom_user_id' );
724 - delete_user_meta( $user_id, 'wpcom_user_data' );
725 - self::clear_wpcom_profile_cookies();
726 -
727 - return $xml->getResponse();
728 - }
729 -
730 - /**
731 - * Retrieves nonce used for SSO form.
732 - */
733 - public static function request_initial_nonce() {
734 - $nonce = ! empty( $_COOKIE['jetpack_sso_nonce'] )
735 - ? sanitize_key( wp_unslash( $_COOKIE['jetpack_sso_nonce'] ) )
736 - : false;
737 -
738 - if ( ! $nonce ) {
739 - $xml = new Jetpack_IXR_Client();
740 - $xml->query( 'jetpack.sso.requestNonce' );
741 -
742 - if ( $xml->isError() ) {
743 - return new WP_Error( $xml->getErrorCode(), $xml->getErrorMessage() );
744 - }
745 -
746 - $nonce = sanitize_key( $xml->getResponse() );
747 -
748 - setcookie(
749 - 'jetpack_sso_nonce',
750 - $nonce,
751 - time() + ( 10 * MINUTE_IN_SECONDS ),
752 - COOKIEPATH,
753 - COOKIE_DOMAIN,
754 - is_ssl(),
755 - true
756 - );
757 - }
758 -
759 - return $nonce;
760 - }
761 -
762 - /**
763 - * The function that actually handles the login!
764 - */
765 - public function handle_login() {
766 - $wpcom_nonce = isset( $_GET['sso_nonce'] ) ? sanitize_key( $_GET['sso_nonce'] ) : ''; // phpcs:ignore WordPress.Security.NonceVerification.Recommended
767 - $wpcom_user_id = isset( $_GET['user_id'] ) ? (int) $_GET['user_id'] : 0; // phpcs:ignore WordPress.Security.NonceVerification.Recommended
768 -
769 - $xml = new Jetpack_IXR_Client();
770 - $xml->query( 'jetpack.sso.validateResult', $wpcom_nonce, $wpcom_user_id );
771 -
772 - $user_data = $xml->isError() ? false : $xml->getResponse();
773 - if ( empty( $user_data ) ) {
774 - add_filter( 'jetpack_sso_default_to_sso_login', '__return_false' );
775 - add_filter( 'login_message', array( 'Jetpack_SSO_Notices', 'error_invalid_response_data' ) );
776 - return;
777 - }
778 -
779 - $user_data = (object) $user_data;
780 - $user = null;
781 -
782 - /**
783 - * Fires before Jetpack's SSO modifies the log in form.
784 - *
785 - * @module sso
786 - *
787 - * @since 2.6.0
788 - *
789 - * @param object $user_data WordPress.com User information.
790 - */
791 - do_action( 'jetpack_sso_pre_handle_login', $user_data );
792 -
793 - $tracking = new Tracking();
794 -
795 - if ( Jetpack_SSO_Helpers::is_two_step_required() && 0 === (int) $user_data->two_step_enabled ) {
796 - $this->user_data = $user_data;
797 -
798 - $tracking->record_user_event(
799 - 'sso_login_failed',
800 - array(
801 - 'error_message' => 'error_msg_enable_two_step',
802 - )
803 - );
804 -
805 - $error = new WP_Error( 'two_step_required', __( 'You must have Two-Step Authentication enabled on your WordPress.com account.', 'jetpack' ) );
806 -
807 - /** This filter is documented in core/src/wp-includes/pluggable.php */
808 - do_action( 'wp_login_failed', $user_data->login, $error );
809 - add_filter( 'login_message', array( 'Jetpack_SSO_Notices', 'error_msg_enable_two_step' ) );
810 - return;
811 - }
812 -
813 - $user_found_with = '';
814 - if ( empty( $user ) && isset( $user_data->external_user_id ) ) {
815 - $user_found_with = 'external_user_id';
816 - $user = get_user_by( 'id', (int) $user_data->external_user_id );
817 - if ( $user ) {
818 - $expected_id = get_user_meta( $user->ID, 'wpcom_user_id', true );
819 - if ( $expected_id && $expected_id != $user_data->ID ) { // phpcs:ignore WordPress.PHP.StrictComparisons.LooseComparison, Universal.Operators.StrictComparisons.LooseNotEqual
820 - $error = new WP_Error( 'expected_wpcom_user', __( 'Something got a little mixed up and an unexpected WordPress.com user logged in.', 'jetpack' ) );
821 -
822 - $tracking->record_user_event(
823 - 'sso_login_failed',
824 - array(
825 - 'error_message' => 'error_unexpected_wpcom_user',
826 - )
827 - );
828 -
829 - /** This filter is documented in core/src/wp-includes/pluggable.php */
830 - do_action( 'wp_login_failed', $user_data->login, $error );
831 - add_filter( 'login_message', array( 'Jetpack_SSO_Notices', 'error_invalid_response_data' ) ); // @todo Need to have a better notice. This is only for the sake of testing the validation.
832 - return;
833 - }
834 - update_user_meta( $user->ID, 'wpcom_user_id', $user_data->ID );
835 - }
836 - }
837 -
838 - // If we don't have one by wpcom_user_id, try by the email?
839 - if ( empty( $user ) && Jetpack_SSO_Helpers::match_by_email() ) {
840 - $user_found_with = 'match_by_email';
841 - $user = get_user_by( 'email', $user_data->email );
842 - if ( $user ) {
843 - update_user_meta( $user->ID, 'wpcom_user_id', $user_data->ID );
844 - }
845 - }
846 -
847 - // If we've still got nothing, create the user.
848 - $new_user_override_role = Jetpack_SSO_Helpers::new_user_override( $user_data );
849 - if ( empty( $user ) && ( get_option( 'users_can_register' ) || $new_user_override_role ) ) {
850 - /**
851 - * If not matching by email we still need to verify the email does not exist
852 - * or this blows up
853 - *
854 - * If match_by_email is true, we know the email doesn't exist, as it would have
855 - * been found in the first pass. If get_user_by( 'email' ) doesn't find the
856 - * user, then we know that email is unused, so it's safe to add.
857 - */
858 - if ( Jetpack_SSO_Helpers::match_by_email() || ! get_user_by( 'email', $user_data->email ) ) {
859 -
860 - if ( $new_user_override_role ) {
861 - $user_data->role = $new_user_override_role;
862 - }
863 -
864 - $user = Jetpack_SSO_Helpers::generate_user( $user_data );
865 - if ( ! $user ) {
866 - $tracking->record_user_event(
867 - 'sso_login_failed',
868 - array(
869 - 'error_message' => 'could_not_create_username',
870 - )
871 - );
872 - add_filter( 'login_message', array( 'Jetpack_SSO_Notices', 'error_unable_to_create_user' ) );
873 - return;
874 - }
875 -
876 - $user_found_with = $new_user_override_role
877 - ? 'user_created_new_user_override'
878 - : 'user_created_users_can_register';
879 - } else {
880 - $tracking->record_user_event(
881 - 'sso_login_failed',
882 - array(
883 - 'error_message' => 'error_msg_email_already_exists',
884 - )
885 - );
886 -
887 - $this->user_data = $user_data;
888 - add_action( 'login_message', array( 'Jetpack_SSO_Notices', 'error_msg_email_already_exists' ) );
889 - return;
890 - }
891 - }
892 -
893 - /**
894 - * Fires after we got login information from WordPress.com.
895 - *
896 - * @module sso
897 - *
898 - * @since 2.6.0
899 - *
900 - * @param WP_User|false|null $user Local User information.
901 - * @param object $user_data WordPress.com User Login information.
902 - */
903 - do_action( 'jetpack_sso_handle_login', $user, $user_data );
904 -
905 - if ( $user ) {
906 - // Cache the user's details, so we can present it back to them on their user screen.
907 - update_user_meta( $user->ID, 'wpcom_user_data', $user_data );
908 -
909 - add_filter( 'auth_cookie_expiration', array( 'Jetpack_SSO_Helpers', 'extend_auth_cookie_expiration_for_sso' ) );
910 - wp_set_auth_cookie( $user->ID, true );
911 - remove_filter( 'auth_cookie_expiration', array( 'Jetpack_SSO_Helpers', 'extend_auth_cookie_expiration_for_sso' ) );
912 -
913 - /** This filter is documented in core/src/wp-includes/user.php */
914 - do_action( 'wp_login', $user->user_login, $user );
915 -
916 - wp_set_current_user( $user->ID );
917 -
918 - $_request_redirect_to = isset( $_REQUEST['redirect_to'] ) ? esc_url_raw( wp_unslash( $_REQUEST['redirect_to'] ) ) : ''; // phpcs:ignore WordPress.Security.NonceVerification.Recommended
919 - $redirect_to = user_can( $user, 'edit_posts' ) ? admin_url() : self::profile_page_url();
920 -
921 - // If we have a saved redirect to request in a cookie.
922 - if ( ! empty( $_COOKIE['jetpack_sso_redirect_to'] ) ) {
923 - // Set that as the requested redirect to.
924 - $redirect_to = esc_url_raw( wp_unslash( $_COOKIE['jetpack_sso_redirect_to'] ) );
925 - $_request_redirect_to = $redirect_to;
926 - }
927 -
928 - $json_api_auth_environment = Jetpack_SSO_Helpers::get_json_api_auth_environment();
929 -
930 - $is_json_api_auth = ! empty( $json_api_auth_environment );
931 - $is_user_connected = ( new Connection_Manager( 'jetpack' ) )->is_user_connected( $user->ID );
932 - $roles = new Roles();
933 - $tracking->record_user_event(
934 - 'sso_user_logged_in',
935 - array(
936 - 'user_found_with' => $user_found_with,
937 - 'user_connected' => (bool) $is_user_connected,
938 - 'user_role' => $roles->translate_current_user_to_role(),
939 - 'is_json_api_auth' => (bool) $is_json_api_auth,
940 - )
941 - );
942 -
943 - if ( $is_json_api_auth ) {
944 - Jetpack::init()->verify_json_api_authorization_request( $json_api_auth_environment );
945 - Jetpack::init()->store_json_api_authorization_token( $user->user_login, $user );
946 -
947 - } elseif ( ! $is_user_connected ) {
948 - wp_safe_redirect(
949 - add_query_arg(
950 - array(
951 - 'redirect_to' => $redirect_to,
952 - 'request_redirect_to' => $_request_redirect_to,
953 - 'calypso_env' => ( new Host() )->get_calypso_env(),
954 - 'jetpack-sso-auth-redirect' => '1',
955 - ),
956 - admin_url()
957 - )
958 - );
959 - exit;
960 - }
961 -
962 - add_filter( 'allowed_redirect_hosts', array( 'Jetpack_SSO_Helpers', 'allowed_redirect_hosts' ) );
963 - wp_safe_redirect(
964 - /** This filter is documented in core/src/wp-login.php */
965 - apply_filters( 'login_redirect', $redirect_to, $_request_redirect_to, $user )
966 - );
967 - exit;
968 - }
969 -
970 - add_filter( 'jetpack_sso_default_to_sso_login', '__return_false' );
971 -
972 - $tracking->record_user_event(
973 - 'sso_login_failed',
974 - array(
975 - 'error_message' => 'cant_find_user',
976 - )
977 - );
978 -
979 - $this->user_data = $user_data;
980 -
981 - $error = new WP_Error( 'account_not_found', __( 'Account not found. If you already have an account, make sure you have connected to WordPress.com.', 'jetpack' ) );
982 -
983 - /** This filter is documented in core/src/wp-includes/pluggable.php */
984 - do_action( 'wp_login_failed', $user_data->login, $error );
985 - add_filter( 'login_message', array( 'Jetpack_SSO_Notices', 'cant_find_user' ) );
986 - }
987 -
988 - /**
989 - * Retreive the admin profile page URL.
990 - */
991 - public static function profile_page_url() {
992 - return admin_url( 'profile.php' );
993 - }
994 -
995 - /**
996 - * Builds the "Login to WordPress.com" button that is displayed on the login page as well as user profile page.
997 - *
998 - * @param array $args An array of arguments to add to the SSO URL.
999 - * @param boolean $is_primary If the button have the `button-primary` class.
1000 - * @return string Returns the HTML markup for the button.
1001 - */
1002 - public function build_sso_button( $args = array(), $is_primary = false ) {
1003 - $url = $this->build_sso_button_url( $args );
1004 - $classes = $is_primary
1005 - ? 'jetpack-sso button button-primary'
1006 - : 'jetpack-sso button';
1007 -
1008 - return sprintf(
1009 - '<a rel="nofollow" href="%1$s" class="%2$s">%3$s %4$s</a>',
1010 - esc_url( $url ),
1011 - $classes,
1012 - '<span class="genericon genericon-wordpress"></span>',
1013 - esc_html__( 'Log in with WordPress.com', 'jetpack' )
1014 - );
1015 - }
1016 -
1017 - /**
1018 - * Builds a URL with `jetpack-sso` action and option args which is used to setup SSO.
1019 - *
1020 - * @param array $args An array of arguments to add to the SSO URL.
1021 - * @return string The URL used for SSO.
1022 - */
1023 - public function build_sso_button_url( $args = array() ) {
1024 - $defaults = array(
1025 - 'action' => 'jetpack-sso',
1026 - );
1027 -
1028 - $args = wp_parse_args( $args, $defaults );
1029 -
1030 - if ( ! empty( $_GET['redirect_to'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
1031 - $args['redirect_to'] = rawurlencode( esc_url_raw( wp_unslash( $_GET['redirect_to'] ) ) ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended
1032 - }
1033 -
1034 - return add_query_arg( $args, wp_login_url() );
1035 - }
1036 -
1037 - /**
1038 - * Retrieves a WordPress.com SSO URL with appropriate query parameters or dies.
1039 - *
1040 - * @param boolean $reauth If the user be forced to reauthenticate on WordPress.com.
1041 - * @param array $args Optional query parameters.
1042 - * @return string The WordPress.com SSO URL.
1043 - */
1044 - public function get_sso_url_or_die( $reauth = false, $args = array() ) {
1045 - $custom_login_url = Jetpack_SSO_Helpers::get_custom_login_url();
1046 - if ( $custom_login_url ) {
1047 - $args['login_url'] = rawurlencode( $custom_login_url );
1048 - }
1049 -
1050 - if ( empty( $reauth ) ) {
1051 - $sso_redirect = $this->build_sso_url( $args );
1052 - } else {
1053 - self::clear_wpcom_profile_cookies();
1054 - $sso_redirect = $this->build_reauth_and_sso_url( $args );
1055 - }
1056 -
1057 - // If there was an error retrieving the SSO URL, then error.
1058 - if ( is_wp_error( $sso_redirect ) ) {
1059 - $error_message = sanitize_text_field(
1060 - sprintf( '%s: %s', $sso_redirect->get_error_code(), $sso_redirect->get_error_message() )
1061 - );
1062 - $tracking = new Tracking();
1063 - $tracking->record_user_event(
1064 - 'sso_login_redirect_failed',
1065 - array(
1066 - 'error_message' => $error_message,
1067 - )
1068 - );
1069 - wp_die( esc_html( $error_message ) );
1070 - }
1071 -
1072 - return $sso_redirect;
1073 - }
1074 -
1075 - /**
1076 - * Build WordPress.com SSO URL with appropriate query parameters.
1077 - *
1078 - * @param array $args Optional query parameters.
1079 - * @return string WordPress.com SSO URL
1080 - */
1081 - public function build_sso_url( $args = array() ) {
1082 - $sso_nonce = ! empty( $args['sso_nonce'] ) ? $args['sso_nonce'] : self::request_initial_nonce();
1083 - $defaults = array(
1084 - 'action' => 'jetpack-sso',
1085 - 'site_id' => Jetpack_Options::get_option( 'id' ),
1086 - 'sso_nonce' => $sso_nonce,
1087 - 'calypso_auth' => '1',
1088 - );
1089 -
1090 - $args = wp_parse_args( $args, $defaults );
1091 -
1092 - if ( is_wp_error( $args['sso_nonce'] ) ) {
1093 - return $args['sso_nonce'];
1094 - }
1095 -
1096 - return add_query_arg( $args, 'https://wordpress.com/wp-login.php' );
1097 - }
1098 -
1099 - /**
1100 - * Build WordPress.com SSO URL with appropriate query parameters,
1101 - * including the parameters necessary to force the user to reauthenticate
1102 - * on WordPress.com.
1103 - *
1104 - * @param array $args Optional query parameters.
1105 - * @return string WordPress.com SSO URL
1106 - */
1107 - public function build_reauth_and_sso_url( $args = array() ) {
1108 - $sso_nonce = ! empty( $args['sso_nonce'] ) ? $args['sso_nonce'] : self::request_initial_nonce();
1109 - $redirect = $this->build_sso_url(
1110 - array(
1111 - 'force_auth' => '1',
1112 - 'sso_nonce' => $sso_nonce,
1113 - )
1114 - );
1115 -
1116 - if ( is_wp_error( $redirect ) ) {
1117 - return $redirect;
1118 - }
1119 -
1120 - $defaults = array(
1121 - 'action' => 'jetpack-sso',
1122 - 'site_id' => Jetpack_Options::get_option( 'id' ),
1123 - 'sso_nonce' => $sso_nonce,
1124 - 'reauth' => '1',
1125 - 'redirect_to' => rawurlencode( $redirect ),
1126 - 'calypso_auth' => '1',
1127 - );
1128 -
1129 - $args = wp_parse_args( $args, $defaults );
1130 -
1131 - if ( is_wp_error( $args['sso_nonce'] ) ) {
1132 - return $args['sso_nonce'];
1133 - }
1134 -
1135 - return add_query_arg( $args, 'https://wordpress.com/wp-login.php' );
1136 - }
1137 -
1138 - /**
1139 - * Determines local user associated with a given WordPress.com user ID.
1140 - *
1141 - * @since 2.6.0
1142 - *
1143 - * @param int $wpcom_user_id User ID from WordPress.com.
1144 - * @return object Local user object if found, null if not.
1145 - */
1146 - public static function get_user_by_wpcom_id( $wpcom_user_id ) {
1147 - $user_query = new WP_User_Query(
1148 - array(
1149 - 'meta_key' => 'wpcom_user_id',
1150 - 'meta_value' => (int) $wpcom_user_id,
1151 - 'number' => 1,
1152 - )
1153 - );
1154 -
1155 - $users = $user_query->get_results();
1156 - return $users ? array_shift( $users ) : null;
1157 - }
1158 -
1159 - /**
1160 - * When jetpack-sso-auth-redirect query parameter is set, will redirect user to
1161 - * WordPress.com authorization flow.
1162 - *
1163 - * We redirect here instead of in handle_login() because Jetpack::init()->build_connect_url
1164 - * calls menu_page_url() which doesn't work properly until admin menus are registered.
1165 - */
1166 - public function maybe_authorize_user_after_sso() {
1167 - if ( empty( $_GET['jetpack-sso-auth-redirect'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
1168 - return;
1169 - }
1170 -
1171 - $redirect_to = ! empty( $_GET['redirect_to'] ) ? esc_url_raw( wp_unslash( $_GET['redirect_to'] ) ) : admin_url(); // phpcs:ignore WordPress.Security.NonceVerification.Recommended
1172 - $request_redirect_to = ! empty( $_GET['request_redirect_to'] ) ? esc_url_raw( wp_unslash( $_GET['request_redirect_to'] ) ) : $redirect_to; // phpcs:ignore WordPress.Security.NonceVerification.Recommended
1173 -
1174 - /** This filter is documented in core/src/wp-login.php */
1175 - $redirect_after_auth = apply_filters( 'login_redirect', $redirect_to, $request_redirect_to, wp_get_current_user() );
1176 -
1177 - /**
1178 - * Since we are passing this redirect to WordPress.com and therefore can not use wp_safe_redirect(),
1179 - * let's sanitize it here to make sure it's safe. If the redirect is not safe, then use admin_url().
1180 - */
1181 - $redirect_after_auth = wp_sanitize_redirect( $redirect_after_auth );
1182 - $redirect_after_auth = wp_validate_redirect( $redirect_after_auth, admin_url() );
1183 -
1184 - /**
1185 - * Return the raw connect URL with our redirect and attribute connection to SSO.
1186 - * We remove any other filters that may be turning on the in-place connection
1187 - * since we will be redirecting the user as opposed to iFraming.
1188 - */
1189 - remove_all_filters( 'jetpack_use_iframe_authorization_flow' );
1190 - add_filter( 'jetpack_use_iframe_authorization_flow', '__return_false' );
1191 - $connect_url = Jetpack::init()->build_connect_url( true, $redirect_after_auth, 'sso' );
1192 -
1193 - add_filter( 'allowed_redirect_hosts', array( 'Jetpack_SSO_Helpers', 'allowed_redirect_hosts' ) );
1194 - wp_safe_redirect( $connect_url );
1195 - exit;
1196 - }
1197 -
1198 - /**
1199 - * Cache user's display name and Gravatar so it can be displayed on the login screen. These cookies are
1200 - * stored when the user logs out, and then deleted when the user logs in.
1201 - */
1202 - public function store_wpcom_profile_cookies_on_logout() {
1203 - if ( ! ( new Connection_Manager( 'jetpack' ) )->is_user_connected( get_current_user_id() ) ) {
1204 - return;
1205 - }
1206 -
1207 - $user_data = $this->get_user_data( get_current_user_id() );
1208 - if ( ! $user_data ) {
1209 - return;
1210 - }
1211 -
1212 - setcookie(
1213 - 'jetpack_sso_wpcom_name_' . COOKIEHASH,
1214 - $user_data->display_name,
1215 - time() + WEEK_IN_SECONDS,
1216 - COOKIEPATH,
1217 - COOKIE_DOMAIN,
1218 - is_ssl(),
1219 - true
1220 - );
1221 -
1222 - setcookie(
1223 - 'jetpack_sso_wpcom_gravatar_' . COOKIEHASH,
1224 - get_avatar_url(
1225 - $user_data->email,
1226 - array(
1227 - 'size' => 144,
1228 - 'default' => 'mystery',
1229 - )
1230 - ),
1231 - time() + WEEK_IN_SECONDS,
1232 - COOKIEPATH,
1233 - COOKIE_DOMAIN,
1234 - is_ssl(),
1235 - true
1236 - );
1237 - }
1238 -
1239 - /**
1240 - * Determines if a local user is connected to WordPress.com
1241 - *
1242 - * @since 2.8
1243 - * @param integer $user_id - Local user id.
1244 - * @return boolean
1245 - **/
1246 - public function is_user_connected( $user_id ) {
1247 - return $this->get_user_data( $user_id );
1248 - }
1249 -
1250 - /**
1251 - * Retrieves a user's WordPress.com data
1252 - *
1253 - * @since 2.8
1254 - * @param integer $user_id - Local user id.
1255 - * @return mixed null or stdClass
1256 - **/
1257 - public function get_user_data( $user_id ) {
1258 - return get_user_meta( $user_id, 'wpcom_user_data', true );
1259 - }
1260 -}
1261 -
1262 -Jetpack_SSO::get_instance();
31 +);