class-utilities.php — Admin and Site Enhancements (ASE) 4.9.2

admin-site-enhancements / classes / class-utilities.php

admin-site-enhancements / classes Last commit date

class-utilities.php

944 lines

1	<?php
2
3	namespace ASENHA\Classes;
4	use WP_Error;
5
6	/**
7	* Class related to Utilities features
8	*
9	* @since 1.5.0
10	*/
11	class Utilities {
12
13	/**
14	* Add UI to enable multiple user roles selection
15	*
16	* @since 4.8.0
17	*/
18	public function add_multiple_roles_ui( $user ) {
19
20	// Get user roles that the current user is allowed to edit
21	$roles = get_editable_roles();
22
23	// Get the roles of the user being shown / edited / created
24	if ( ! empty( $user->roles ) ) {
25	$user_roles = array_intersect( array_values( $user->roles ), array_keys( $roles ) ); // indexed array of role slugs
26	} else {
27	$user_roles = array();
28	}
29
30	// Only show roles checkboxes for users that can assign roles to other users
31	if ( current_user_can( 'promote_users', get_current_user_id() ) ) {
32
33	?>
34	<div class="asenha-roles-temporary-container">
35	<table class="form-table">
36	<tr>
37	<th>
38	<label>Roles</label>
39	</th>
40	<td>
41	<?php
42	foreach ( $roles as $role_slug => $role_info ) {
43
44	$checkbox_id = $role_slug . '_role';
45	$role_name = translate_user_role( $role_info['name'] );
46	if ( ! empty( $user_roles ) && in_array( $role_slug, $user_roles ) ) {
47	$checked = 'checked="checked"';
48	} else {
49	$checked = '';
50	}
51
52	// Output roles checkboxes
53	?>
54	<label for="<?php esc_attr_e( $checkbox_id ); ?>"><input type="checkbox" id="<?php esc_attr_e( $checkbox_id ); ?>" value="<?php esc_attr_e( $role_slug ); ?>" name="asenha_assigned_roles[]" <?php esc_attr_e( $checked ) ?> /> <?php esc_html_e( $role_name ); ?></label><br />
55	<?php
56
57	}
58
59	wp_nonce_field( 'asenha_set_multiple_roles', 'asenha_multiple_roles_nonce' );
60
61	?>
62	</td>
63	</tr>
64	</table>
65	</div>
66	<?php
67
68	}
69
70	}
71
72	/**
73	* Save changes in roles assignment
74	*
75	* @since 4.8.0
76	*/
77	public function save_roles_assignment( $user_id ) {
78
79	if ( ! current_user_can( 'promote_users', get_current_user_id() ) \|\| ! wp_verify_nonce( $_POST['asenha_multiple_roles_nonce'], 'asenha_set_multiple_roles' ) ) {
80	return;
81	}
82
83	// Get user roles that the current user is allowed to edit
84	$roles = get_editable_roles();
85
86	// Get the roles of the user being shown / edited / created
87	$user = get_user_by( 'id', (int) $user_id ); // WP_User object
88	$user_roles = array_intersect( array_values( $user->roles ), array_keys( $roles ) ); // Current/existing roles
89
90	if ( ! empty( $_POST['asenha_assigned_roles'] ) ) {
91
92	$assigned_roles = array_map( 'sanitize_text_field', $_POST['asenha_assigned_roles'] );
93
94	// Make sure only valid roles are processed
95	$assigned_roles = array_intersect( $assigned_roles, array_keys( $roles ) );
96
97	$roles_to_remove = array();
98	$roles_to_add = array();
99
100	if ( empty( $assigned_roles ) ) {
101
102	// Remove all current/existing roles
103	$roles_to_remove = $user_roles;
104
105	} else {
106
107	// Identify and remove roles not present in the newly assigned roles
108	$roles_to_remove = array_diff( $user_roles, $assigned_roles );
109
110	if ( ! empty( $roles_to_remove ) ) {
111	foreach ( $roles_to_remove as $role_to_remove ) {
112	$user->remove_role( $role_to_remove );
113	}
114	}
115
116	// Identify and add roles not present in the existing roles
117	$roles_to_add = array_diff( $assigned_roles, $user_roles );
118
119	if ( ! empty( $roles_to_add ) ) {
120	foreach ( $roles_to_add as $role_to_add ) {
121	$user->add_role( $role_to_add );
122	}
123	}
124
125	}
126
127	}
128
129	}
130
131	/**
132	* Add menu bar item to view admin as one of the user roles
133	*
134	* @param $wp_admin_bar The WP_Admin_Bar instance
135	* @link https://developer.wordpress.org/reference/hooks/admin_bar_menu/
136	* @link https://developer.wordpress.org/reference/classes/wp_admin_bar/
137	* @since 1.8.0
138	*/
139	public function view_admin_as_admin_bar_menu( $wp_admin_bar ) {
140
141	// Get which role slug is currently set to "View as"
142	$viewing_admin_as = get_user_meta( get_current_user_id(), '_asenha_viewing_admin_as', true );
143
144	if ( empty( $viewing_admin_as ) ) {
145	update_user_meta( get_current_user_id(), '_asenha_viewing_admin_as', 'administrator' );
146	}
147
148	// Get the role name, translated if available, from the role slug
149	$wp_roles = wp_roles()->roles;
150
151	foreach ( $wp_roles as $wp_role_slug => $wp_role_info ) {
152
153	if ( $wp_role_slug == $viewing_admin_as ) {
154
155	$viewing_admin_as_role_name = $wp_role_info['name'];
156
157	}
158
159	}
160
161	if ( ! isset( $viewing_admin_as_role_name ) ) {
162
163	$viewing_admin_as_role_name = $viewing_admin_as;
164
165	}
166
167	$translated_name_for_viewing_admin_as = ucfirst( $viewing_admin_as_role_name );
168
169	// Add parent menu basd on the role being set to "View as"
170
171	if ( 'administrator' == $viewing_admin_as ) {
172
173	// Add parent menu
174	$wp_admin_bar->add_menu( array(
175	'id' => 'asenha-view-admin-as-role',
176	'parent' => 'top-secondary',
177	'title' => 'View as <span style="font-size:0.8125em;">▼</span>',
178	'href' => '#',
179	'meta' => array(
180	'title' => 'View admin pages and the site (logged-in) as one of the following user roles.'
181	),
182	) );
183
184	} else {
185
186	// Add parent menu
187	$wp_admin_bar->add_menu( array(
188	'id' => 'asenha-view-admin-as-role',
189	'parent' => 'top-secondary',
190	'title' => 'Viewing as ' . $translated_name_for_viewing_admin_as . ' <span style="font-size:0.8125em;">▼</span>',
191	'href' => '#',
192	) );
193
194	}
195
196	// Get available role(s) to switch to
197	$roles_to_switch_to = $this->get_roles_to_switch_to();
198
199	// Add role(s) to switch to as sub-menu
200
201	if ( 'administrator' == $viewing_admin_as ) {
202
203	// Add submenu for each role other than Administrator
204
205	$i = 1;
206
207	foreach ( $roles_to_switch_to as $role_slug => $data ) {
208
209	$wp_admin_bar->add_menu( array(
210	'id' => 'role' . $i . '_' . $role_slug, // id based on role slug, e.g. role1_editor, role5_shop_manager
211	'parent' => 'asenha-view-admin-as-role',
212	'title' => $data['role_name'], // role name, e.g. Editor, Shop Manager
213	'href' => $data['nonce_url'], // nonce URL for each role
214	) );
215
216	$i++;
217
218	}
219
220	} else {
221
222	// Add submenu to switch back to Administrator role
223
224	foreach ( $roles_to_switch_to as $role_slug => $data ) {
225
226	$wp_admin_bar->add_menu( array(
227	'id' => 'role_' . $role_slug, // id based on role slug, e.g. role1_editor, role5_shop_manager
228	'parent' => 'asenha-view-admin-as-role',
229	'title' => 'Switch back to ' . $data['role_name'], // role name, e.g. Editor, Shop Manager
230	'href' => $data['nonce_url'], // nonce URL for each role
231
232	) );
233
234	}
235
236	}
237
238	}
239
240	/**
241	* Get roles availble to switch to
242	*
243	* @since 1.8.0
244	*/
245	private function get_roles_to_switch_to() {
246
247	$current_user = wp_get_current_user();
248	$current_user_role_slugs = $current_user->roles; // indexed array of current user role slug(s)
249
250	// Get full list of roles defined in WordPress
251	$wp_roles = wp_roles()->roles;
252
253	$roles_to_switch_to = array();
254
255	// Get which role slug is currently active for viewing
256	$viewing_admin_as = get_user_meta( get_current_user_id(), '_asenha_viewing_admin_as', true );
257
258	if ( 'administrator' == $viewing_admin_as ) {
259
260	// Exclude 'Administrator' from the "View as" menu
261
262	foreach ( $wp_roles as $wp_role_slug => $wp_role_info ) {
263
264	if ( ! in_array( $wp_role_slug,$current_user_role_slugs ) ) {
265
266	$roles_to_switch_to[$wp_role_slug] = array(
267	'role_name' => $wp_role_info['name'], // role name, e.g. Editor, Shop Manager
268	'nonce_url' => wp_nonce_url(
269	add_query_arg( array(
270	'action' => 'switch_role_to',
271	'role' => $wp_role_slug,
272	) ), // add query parameters to current URl, this is the $actionurl that will be appended with the nonce action
273	'asenha_view_admin_as_' . $wp_role_slug, // the nonce $action name
274	'nonce', // the nonce url parameter name
275	), // will result in a URL that looks like https://www.example.com/wp-admin/index.php?action=switch_role_to&role=editor&nonce=2ced3a40df
276	);
277
278	}
279
280	}
281
282	} else {
283
284	// Only show switch back to Administrator in the "View as" menu
285
286	$roles_to_switch_to['administrator'] = array(
287	'role_name' => 'Administrator', // role name, e.g. Editor, Shop Manager
288	'nonce_url' => wp_nonce_url(
289	add_query_arg( array(
290	'action' => 'switch_back_to_administrator',
291	'role' => 'administrator',
292	) ), // add query parameters to current URl, this is the $actionurl that will be appended with the nonce action
293	'asenha_view_admin_as_administrator', // the nonce $action name
294	'nonce', // the nonce url parameter name
295	), // will result in a URL that looks like https://www.example.com/wp-admin/index.php?action=switch_role_to&role=editor&nonce=2ced3a40df
296	);
297	}
298
299	return $roles_to_switch_to; // array of $role_slug => $nonce_url
300
301	}
302
303	/**
304	* Switch user role to view admin and site
305	*
306	* @since 1.8.0
307	*/
308	public function role_switcher_to_view_admin_as() {
309
310	$current_user = wp_get_current_user();
311	$current_user_role_slugs = $current_user->roles; // indexed array of current user role slug(s)
312
313	if ( isset( $_REQUEST['action'] ) && isset( $_REQUEST['role'] ) && isset( $_REQUEST['nonce'] ) ) {
314
315	$action = sanitize_text_field( $_REQUEST['action'] );
316	$new_role = sanitize_text_field( $_REQUEST['role'] );
317	$nonce = sanitize_text_field( $_REQUEST['nonce'] );
318
319	if ( 'switch_role_to' === $action ) {
320
321	// Check nonce validity and role existence
322
323	$wp_roles = array_keys( wp_roles()->roles ); // indexed array of all WP roles
324
325	if ( ! wp_verify_nonce( $nonce, 'asenha_view_admin_as_' . $new_role ) \|\| ! in_array( $new_role, $wp_roles ) ) {
326	return; // cancel role switching
327	}
328
329	// Get original roles (before role switching) of the current user
330	$original_role_slugs = get_user_meta( get_current_user_id(), '_asenha_view_admin_as_original_roles', true );
331
332	// Store original user role(s) before switching it to another role
333
334	if ( empty( $original_role_slugs ) ) {
335
336	update_user_meta( get_current_user_id(), '_asenha_view_admin_as_original_roles', $current_user_role_slugs );
337
338	}
339
340	// Remove all current roles from current user.
341	foreach ( $current_user_role_slugs as $current_user_role_slug ) {
342
343	$current_user->remove_role( $current_user_role_slug );
344
345	}
346
347	// Add new role to current user
348	$current_user->add_role( $new_role );
349
350	// Mark that the user has switched to a non-administrator role
351	update_user_meta( get_current_user_id(), '_asenha_viewing_admin_as', $new_role );
352
353	// Redirect to admin dashboard
354	wp_safe_redirect( get_admin_url() );
355	exit;
356
357	}
358
359	if ( 'switch_back_to_administrator' === $action ) {
360
361	// Check nonce validity
362
363	if ( ! wp_verify_nonce( $nonce, 'asenha_view_admin_as_administrator' ) \|\| ( $new_role != 'administrator' ) ) {
364	return; // cancel role switching
365	}
366
367	// Remove all current roles from current user.
368	foreach ( $current_user_role_slugs as $current_role_slug ) {
369
370	$current_user->remove_role( $current_role_slug );
371
372	}
373
374	// Get original roles (before role switching) of the current user
375	$original_role_slugs = get_user_meta( get_current_user_id(), '_asenha_view_admin_as_original_roles', true );
376
377	// Add the original roles to the current user
378	foreach ( $original_role_slugs as $original_role_slug ) {
379
380	$current_user->add_role( $original_role_slug );
381
382	}
383
384	// Mark that the user has switched back to an administrator role
385	update_user_meta( get_current_user_id(), '_asenha_viewing_admin_as', 'administrator' );
386
387	}
388
389	} elseif ( isset( $_REQUEST['reset-view-as'] ) ) {
390
391	$reset_view_as = sanitize_text_field( $_REQUEST['reset-view-as'] );
392
393	if ( $reset_view_as == 'yes' ) {
394
395	// Remove all current roles from current user.
396	foreach ( $current_user_role_slugs as $current_role_slug ) {
397
398	$current_user->remove_role( $current_role_slug );
399
400	}
401
402	// Get original roles (before role switching) of the current user
403	$original_role_slugs = get_user_meta( get_current_user_id(), '_asenha_view_admin_as_original_roles', true );
404
405	// Add the original roles to the current user
406	foreach ( $original_role_slugs as $original_role_slug ) {
407
408	$current_user->add_role( $original_role_slug );
409
410	}
411
412	// Mark that the user has switched back to an administrator role
413	update_user_meta( get_current_user_id(), '_asenha_viewing_admin_as', 'administrator' );
414
415	// Redirect to admin dashboard
416	wp_safe_redirect( get_admin_url() );
417	exit;
418
419	}
420
421	}
422
423	}
424
425	/**
426	* Show custom error page on switch failure, which causes inability to view admin dashboard/pages
427	*
428	* @since 1.8.0
429	*/
430	public function custom_error_page_on_switch_failure( $callback ) {
431
432	?>
433	<!DOCTYPE html>
434	<html>
435	<head>
436	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8; ?>" />
437	<meta name="viewport" content="width=device-width">
438	<title>WordPress Error</title>
439	<style type="text/css">
440	html {
441	background: #f1f1f1;
442	}
443	body {
444	background: #fff;
445	border: 1px solid #ccd0d4;
446	color: #444;
447	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
448	margin: 2em auto;
449	padding: 1em 2em;
450	max-width: 700px;
451	-webkit-box-shadow: 0 1px 1px rgba(0, 0, 0, .04);
452	box-shadow: 0 1px 1px rgba(0, 0, 0, .04);
453	}
454	h1 {
455	border-bottom: 1px solid #dadada;
456	clear: both;
457	color: #666;
458	font-size: 24px;
459	margin: 30px 0 0 0;
460	padding: 0;
461	padding-bottom: 7px;
462	}
463	#error-page {
464	margin-top: 50px;
465	}
466	#error-page p,
467	#error-page .wp-die-message {
468	font-size: 14px;
469	line-height: 1.5;
470	margin: 20px 0;
471	}
472	#error-page .wp-die-message:last-of-type {
473	display: none;
474	}
475	#error-page code {
476	font-family: Consolas, Monaco, monospace;
477	}
478	a {
479	color: #0073aa;
480	}
481	a:hover,
482	a:active {
483	color: #006799;
484	}
485	a:focus {
486	color: #124964;
487	-webkit-box-shadow:
488	0 0 0 1px #5b9dd9,
489	0 0 2px 1px rgba(30, 140, 190, 0.8);
490	box-shadow:
491	0 0 0 1px #5b9dd9,
492	0 0 2px 1px rgba(30, 140, 190, 0.8);
493	outline: none;
494	}
495	</style>
496	</head>
497	<body id="error-page">
498	<div class="wp-die-message">Something went wrong. <a href="<?php echo home_url( '?reset-view-as=yes' ); ?>">Click here</a> to go back to the admin dashboard.</div>
499	</body>
500	</html>
501	<?php
502
503	}
504
505	/**
506	* Show Password Protection admin bar status icon
507	*
508	* @since 4.1.0
509	*/
510	public function show_password_protection_admin_bar_icon() {
511	add_action( 'wp_before_admin_bar_render', [ $this, 'add_password_protection_admin_bar_item' ] );
512	add_action( 'admin_head', [ $this, 'add_password_protection_admin_bar_item_styles' ] );
513	add_action( 'wp_head', [ $this, 'add_password_protection_admin_bar_item_styles' ] );
514	}
515
516	/**
517	* Add WP Admin Bar item
518	*
519	* @since 4.1.0
520	*/
521	public function add_password_protection_admin_bar_item() {
522	global $wp_admin_bar;
523
524	if ( is_user_logged_in() ) {
525	if ( current_user_can( 'manage_options' ) ) {
526	$wp_admin_bar->add_menu( array(
527	'id' => 'password_protection',
528	'title' => '',
529	'href' => admin_url( 'tools.php?page=admin-site-enhancements#utilities' ),
530	'meta' => array(
531	'title' => 'Password protection is currently enabled for this site.',
532	),
533	) );
534	}
535	}
536
537	}
538
539	/**
540	* Add icon and CSS for admin bar item
541	*
542	* @since 4.1.0
543	*/
544	public function add_password_protection_admin_bar_item_styles() {
545
546	if ( is_user_logged_in() ) {
547	if ( current_user_can( 'manage_options' ) ) {
548
549	?>
550	<style>
551	#wp-admin-bar-password_protection {
552	background-color: #c32121 !important;
553	transition: .25s;
554	}
555	#wp-admin-bar-password_protection > .ab-item {
556	color: #fff !important;
557	}
558	#wp-admin-bar-password_protection > .ab-item:before {
559	content: "\f160";
560	top: 2px;
561	color: #fff !important;
562	margin-right: 0px;
563	}
564	#wp-admin-bar-password_protection:hover > .ab-item {
565	background-color: #af1d1d !important;
566	color: #fff;
567	}
568	</style>
569	<?php
570
571	}
572	}
573
574	}
575
576	/**
577	* Disable page caching
578	*
579	* @since 4.1.0
580	*/
581	public function maybe_disable_page_caching() {
582
583	if ( ! defined( 'DONOTCACHEPAGE' ) ) {
584	define( 'DONOTCACHEPAGE', true );
585	}
586
587	}
588
589	/**
590	* Maybe show login form
591	*
592	* @since 4.1.0
593	*/
594	public function maybe_show_login_form() {
595
596	// When user is logged-in as in an administrator
597	if ( is_user_logged_in() ) {
598	if ( current_user_can( 'manage_options' ) ) {
599	return; // Do not load login form or perform redirection to the login form
600	}
601	}
602
603	// When site visitor has entered correct password
604	$auth_cookie = $_COOKIE['asenha_password_protection'];
605
606	if ( 'authenticated' == $auth_cookie ) {
607	return; // Do not load login form or perform redirection to the login form
608	}
609
610	if ( isset( $_REQUEST['protected-page'] ) && 'view' == $_REQUEST['protected-page'] ) {// Show login form
611
612	$password_protected_login_page_template = ASENHA_PATH . 'includes/password-protected-login.php';
613
614	load_template( $password_protected_login_page_template );
615	exit();
616
617	} else { // Redirect to login form
618
619	$current_url = ( is_ssl() ? 'https://' : 'http://' ) . sanitize_text_field( $_SERVER['HTTP_HOST'] ) . sanitize_text_field( $_SERVER['REQUEST_URI'] );
620
621	$args = array(
622	'protected-page' => 'view',
623	'source' => urlencode( $current_url ),
624	);
625
626	$pwd_protect_login_url = add_query_arg( $args, home_url() );
627
628	nocache_headers();
629	wp_safe_redirect( $pwd_protect_login_url );
630	exit();
631
632	}
633
634	}
635
636	/**
637	* Maybe process login to access protected page content
638	*
639	* @since 4.1.0
640	*/
641	public function maybe_process_login() {
642
643	global $password_protected_errors;
644	$password_protected_errors = new WP_Error();
645
646	if ( isset( $_REQUEST['protected_page_pwd'] ) ) {
647
648	$password_input = $_REQUEST['protected_page_pwd'];
649
650	$options = get_option( ASENHA_SLUG_U, array() );
651	$stored_password = $options['password_protection_password'];
652
653	if ( ! empty( $password_input ) ) {
654
655	if ( $password_input == base64_decode( $stored_password ) ) { // Password is correct
656
657	// Set auth cookie
658	// $expiration = time() + DAY_IN_SECONDS; // in 24 hours
659	$expiration = 0; // by the end of browsing session
660	setcookie( 'asenha_password_protection', 'authenticated', $expiration, COOKIEPATH, COOKIE_DOMAIN, true, true );
661
662	// Redirect
663	$redirect_to_url = isset( $_REQUEST['source'] ) ? $_REQUEST['source'] : '';
664	wp_safe_redirect( $redirect_to_url );
665	exit();
666
667	} else { // Password is incorrect
668
669	// Add error message
670	$password_protected_errors->add( 'incorrect_password', 'Incorrect password.' );
671
672	}
673
674	} else { // Password input is empty
675
676	// Add error message
677	$password_protected_errors->add( 'empty_password', 'Password can not be empty.' );
678
679	}
680
681	}
682	}
683
684	/**
685	* Add custom login error messages
686	*
687	* @since 4.1.0
688	*/
689	public function add_login_error_messages() {
690
691	global $password_protected_errors;
692
693	if ( $password_protected_errors->get_error_code() ) {
694
695	$messages = '';
696	$errors = '';
697
698	// Extract the error message
699
700	foreach( $password_protected_errors->get_error_codes() as $code ) {
701
702	$severity = $password_protected_errors->get_error_data( $code );
703
704	foreach( $password_protected_errors->get_error_messages( $code ) as $error ) {
705	if ( 'message' == $severity ) {
706	$messages .= $error . '<br />';
707	} else {
708	$errors .= $error . '<br />';
709	}
710	}
711
712	}
713
714	// Output the error message
715
716	if ( ! empty( $messages ) ) {
717	echo '<p class="message">' . $messages . '</p>';
718	}
719
720	if ( ! empty( $errors ) ) {
721	echo '<div id="login_error">' . $errors . '</div>';
722	}
723
724	}
725
726	}
727
728	/**
729	* Redirect 404 to homepage
730	*
731	* @since 1.7.0
732	*/
733	public function redirect_404_to_homepage() {
734
735	if ( ! is_404() \|\| is_admin() \|\| ( defined( 'DOING_CRON' ) && DOING_CRON ) \|\| ( defined( 'XMLRPC_REQUEST' ) && XMLRPC_REQUEST ) ) {
736
737	return;
738
739	} else {
740
741	// wp_safe_redirect( home_url(), 301 );
742
743	header( 'HTTP/1.1 301 Moved Permanently');
744	header( 'Location: ' . home_url() );
745	exit();
746
747	}
748
749	}
750
751	/**
752	* Send emails using external SMTP service
753	*
754	* @since 4.6.0
755	*/
756	public function deliver_email_via_smtp( $phpmailer ) {
757
758	$options = get_option( ASENHA_SLUG_U, array() );
759	$smtp_host = $options['smtp_host'];
760	$smtp_port = $options['smtp_port'];
761	$smtp_security = $options['smtp_security'];
762	$smtp_username = $options['smtp_username'];
763	$smtp_password = base64_decode( $options['smtp_password'] );
764	$smtp_default_from_name = $options['smtp_default_from_name'];
765	$smtp_default_from_email = $options['smtp_default_from_email'];
766	$smtp_debug = $options['smtp_debug'];
767
768	// Do nothing if host or password is empty
769	if ( empty( $smtp_host ) \|\| empty( $smtp_password ) ) {
770	return;
771	}
772
773	// Send using SMTP
774	$phpmailer->isSMTP(); // phpcs:ignore
775
776	// Enanble SMTP authentication
777	$phpmailer->SMTPAuth = true; // phpcs:ignore
778
779	// Set some other defaults
780	// $phpmailer->CharSet = 'utf-8'; // phpcs:ignore
781	$phpmailer->XMailer = 'Admin and Site Enhancements v' . ASENHA_VERSION . ' - a WordPress plugin'; // phpcs:ignore
782
783	$phpmailer->Host = $smtp_host; // phpcs:ignore
784	$phpmailer->Port = $smtp_port; // phpcs:ignore
785	$phpmailer->SMTPSecure = $smtp_security; // phpcs:ignore
786	$phpmailer->Username = $smtp_username; // phpcs:ignore
787	$phpmailer->Password = $smtp_password; // phpcs:ignore
788
789	// Maybe override FROM email and/or name if the sender is "WordPress <wordpress@sitedomain.com>", the default from WordPress core and not yet overridden by another plugin.
790
791	$from_name = $phpmailer->FromName;
792
793	if ( ( 'WordPress' === $from_name ) && ! empty( $smtp_default_from_name ) ) {
794	$phpmailer->FromName = $smtp_default_from_name;
795	}
796
797	$from_email_beginning = substr( $phpmailer->From, 0, 0 ); // Get the first 9 characters of the current FROM email
798
799	if ( ( 'wordpress' === $from_email_beginning ) && ! empty( $smtp_default_from_email ) ) {
800	$phpmailer->From = $smtp_default_from_email;
801	}
802
803	// If debug mode is enabled, send debug info (SMTP::DEBUG_CONNECTION) to WordPress debug.log file set in wp-config.php
804	// Reference: https://github.com/PHPMailer/PHPMailer/wiki/SMTP-Debugging
805
806	if ( $smtp_debug ) {
807	$phpmailer->SMTPDebug = 3; //phpcs:ignore
808	$phpmailer->Debugoutput = 'error_log'; //phpcs:ignore
809	}
810
811	}
812
813	/**
814	* Redirect for when maintenance mode is enabled
815	*
816	* @since 4.7.0
817	*/
818	public function maintenance_mode_redirect() {
819
820	$current_url = sanitize_text_field( $_SERVER['REQUEST_URI'] );
821	$current_url_parts = explode( '/', $current_url );
822
823	// Bypass wp-admin pages and logged-in administrator on the frontend
824	if ( ! in_array( 'wp-admin', $current_url_parts ) \|\| ( false !== strpos( 'wp-login.php', $current_url ) ) ) {
825	if ( ! current_user_can( 'manage_options' ) ) {
826
827	header( 'HTTP/1.1 503 Service Unavailable', true, 503 );
828	header( 'Status: 503 Service Unavailable' );
829	header( 'Retry-After: 3600' ); // Tell search engine bots to return after 3600 seconds, i.e. 1 hour
830
831	$options = get_option( ASENHA_SLUG_U, array() );
832	$heading = $options['maintenance_page_heading'];
833	$description = $options['maintenance_page_description'];
834	$background = $options['maintenance_page_background'];
835
836	if ( 'lines' === $background ) { // https://bgjar.com/curve-line
837	$background_image = "url(\"data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' version='1.1' xmlns:xlink='http://www.w3.org/1999/xlink' xmlns:svgjs='http://svgjs.com/svgjs' width='1920' height='1280' preserveAspectRatio='none' viewBox='0 0 1920 1280'%3e%3cg mask='url(%26quot%3b%23SvgjsMask1804%26quot%3b)' fill='none'%3e%3crect width='1920' height='1280' x='0' y='0' fill='url(%23SvgjsLinearGradient1805)'%3e%3c/rect%3e%3cpath d='M2294.46 927.36C2128.65 934.22 2078.52 1270.56 1693.36 1208.96 1308.19 1147.36 1373.24 145.96 1092.25-67.11' stroke='rgba(158%2c 160%2c 161%2c 0.57)' stroke-width='2'%3e%3c/path%3e%3cpath d='M2225.25 303.97C1963.34 332.56 1808.36 909.76 1359.97 905.57 911.59 901.38 820.47-55.06 494.7-167.42' stroke='rgba(158%2c 160%2c 161%2c 0.57)' stroke-width='2'%3e%3c/path%3e%3cpath d='M2247.58 281.19C2070.08 293.95 1967.68 651 1632.53 639.59 1297.39 628.18 1265.17-143.39 1017.49-253.69' stroke='rgba(158%2c 160%2c 161%2c 0.57)' stroke-width='2'%3e%3c/path%3e%3cpath d='M1924.29 917.21C1696.21 904.78 1584.63 530.74 1114.13 494.81 643.63 458.88 546.92-26.2 303.97-50.85' stroke='rgba(158%2c 160%2c 161%2c 0.57)' stroke-width='2'%3e%3c/path%3e%3cpath d='M2009.59 400.31C1847.79 399.06 1696.02 240.31 1382.45 240.31 1068.87 240.31 1083.3 404.62 755.3 400.31 427.31 396 332.72-108.61 128.16-144.89' stroke='rgba(158%2c 160%2c 161%2c 0.57)' stroke-width='2'%3e%3c/path%3e%3c/g%3e%3cdefs%3e%3cmask id='SvgjsMask1804'%3e%3crect width='1920' height='1280' fill='white'%3e%3c/rect%3e%3c/mask%3e%3clinearGradient x1='8.33%25' y1='-12.5%25' x2='91.67%25' y2='112.5%25' gradientUnits='userSpaceOnUse' id='SvgjsLinearGradient1805'%3e%3cstop stop-color='rgba(255%2c 255%2c 255%2c 1)' offset='0'%3e%3c/stop%3e%3cstop stop-color='rgba(193%2c 192%2c 192%2c 1)' offset='1'%3e%3c/stop%3e%3c/linearGradient%3e%3c/defs%3e%3c/svg%3e\")";
838	} elseif ( 'stripes' === $background ) { // https://bgjar.com/shiny-overlay
839	$background_image = "url(\"data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' version='1.1' xmlns:xlink='http://www.w3.org/1999/xlink' xmlns:svgjs='http://svgjs.com/svgjs' width='2560' height='2560' preserveAspectRatio='none' viewBox='0 0 2560 2560'%3e%3cg mask='url(%26quot%3b%23SvgjsMask1276%26quot%3b)' fill='none'%3e%3crect width='2560' height='2560' x='0' y='0' fill='url(%23SvgjsLinearGradient1277)'%3e%3c/rect%3e%3cpath d='M0 0L524.59 0L0 986.23z' fill='rgba(255%2c 255%2c 255%2c .1)'%3e%3c/path%3e%3cpath d='M0 986.23L524.59 0L684.6500000000001 0L0 1251.4z' fill='rgba(255%2c 255%2c 255%2c .075)'%3e%3c/path%3e%3cpath d='M0 1251.4L684.6500000000001 0L1140.02 0L0 1816.94z' fill='rgba(255%2c 255%2c 255%2c .05)'%3e%3c/path%3e%3cpath d='M0 1816.94L1140.02 0L1666.1399999999999 0L0 1973.71z' fill='rgba(255%2c 255%2c 255%2c .025)'%3e%3c/path%3e%3cpath d='M2560 2560L1477.86 2560L2560 2129.39z' fill='rgba(0%2c 0%2c 0%2c .1)'%3e%3c/path%3e%3cpath d='M2560 2129.39L1477.86 2560L669.0099999999999 2560L2560 1244.5099999999998z' fill='rgba(0%2c 0%2c 0%2c .075)'%3e%3c/path%3e%3cpath d='M2560 1244.51L669.0099999999998 2560L531.5999999999998 2560L2560 928.88z' fill='rgba(0%2c 0%2c 0%2c .05)'%3e%3c/path%3e%3cpath d='M2560 928.8800000000001L531.5999999999997 2560L354.62999999999965 2560L2560 697.8700000000001z' fill='rgba(0%2c 0%2c 0%2c .025)'%3e%3c/path%3e%3c/g%3e%3cdefs%3e%3cmask id='SvgjsMask1276'%3e%3crect width='2560' height='2560' fill='white'%3e%3c/rect%3e%3c/mask%3e%3clinearGradient x1='0%25' y1='0%25' x2='100%25' y2='100%25' gradientUnits='userSpaceOnUse' id='SvgjsLinearGradient1277'%3e%3cstop stop-color='rgba(255%2c 255%2c 255%2c 1)' offset='0'%3e%3c/stop%3e%3cstop stop-color='rgba(172%2c 172%2c 172%2c 1)' offset='1'%3e%3c/stop%3e%3c/linearGradient%3e%3c/defs%3e%3c/svg%3e\")";
840	} elseif ( 'curves' === $background ) { // https://www.svgbackgrounds.com/
841	$background_image = "url(\"data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100%25' height='100%25' viewBox='0 0 1600 800'%3E%3Cg %3E%3Cpath fill='%23e0e0e0' d='M486 705.8c-109.3-21.8-223.4-32.2-335.3-19.4C99.5 692.1 49 703 0 719.8V800h843.8c-115.9-33.2-230.8-68.1-347.6-92.2C492.8 707.1 489.4 706.5 486 705.8z'/%3E%3Cpath fill='%23e2e2e2' d='M1600 0H0v719.8c49-16.8 99.5-27.8 150.7-33.5c111.9-12.7 226-2.4 335.3 19.4c3.4 0.7 6.8 1.4 10.2 2c116.8 24 231.7 59 347.6 92.2H1600V0z'/%3E%3Cpath fill='%23e5e5e5' d='M478.4 581c3.2 0.8 6.4 1.7 9.5 2.5c196.2 52.5 388.7 133.5 593.5 176.6c174.2 36.6 349.5 29.2 518.6-10.2V0H0v574.9c52.3-17.6 106.5-27.7 161.1-30.9C268.4 537.4 375.7 554.2 478.4 581z'/%3E%3Cpath fill='%23e7e7e7' d='M0 0v429.4c55.6-18.4 113.5-27.3 171.4-27.7c102.8-0.8 203.2 22.7 299.3 54.5c3 1 5.9 2 8.9 3c183.6 62 365.7 146.1 562.4 192.1c186.7 43.7 376.3 34.4 557.9-12.6V0H0z'/%3E%3Cpath fill='%23EAEAEA' d='M181.8 259.4c98.2 6 191.9 35.2 281.3 72.1c2.8 1.1 5.5 2.3 8.3 3.4c171 71.6 342.7 158.5 531.3 207.7c198.8 51.8 403.4 40.8 597.3-14.8V0H0v283.2C59 263.6 120.6 255.7 181.8 259.4z'/%3E%3Cpath fill='%23ededed' d='M1600 0H0v136.3c62.3-20.9 127.7-27.5 192.2-19.2c93.6 12.1 180.5 47.7 263.3 89.6c2.6 1.3 5.1 2.6 7.7 3.9c158.4 81.1 319.7 170.9 500.3 223.2c210.5 61 430.8 49 636.6-16.6V0z'/%3E%3Cpath fill='%23f0f0f0' d='M454.9 86.3C600.7 177 751.6 269.3 924.1 325c208.6 67.4 431.3 60.8 637.9-5.3c12.8-4.1 25.4-8.4 38.1-12.9V0H288.1c56 21.3 108.7 50.6 159.7 82C450.2 83.4 452.5 84.9 454.9 86.3z'/%3E%3Cpath fill='%23f2f2f2' d='M1600 0H498c118.1 85.8 243.5 164.5 386.8 216.2c191.8 69.2 400 74.7 595 21.1c40.8-11.2 81.1-25.2 120.3-41.7V0z'/%3E%3Cpath fill='%23f5f5f5' d='M1397.5 154.8c47.2-10.6 93.6-25.3 138.6-43.8c21.7-8.9 43-18.8 63.9-29.5V0H643.4c62.9 41.7 129.7 78.2 202.1 107.4C1020.4 178.1 1214.2 196.1 1397.5 154.8z'/%3E%3Cpath fill='%23F8F8F8' d='M1315.3 72.4c75.3-12.6 148.9-37.1 216.8-72.4h-723C966.8 71 1144.7 101 1315.3 72.4z'/%3E%3C/g%3E%3C/svg%3E\")";
842	} else {}
843
844	?>
845	<html>
846	<head>
847	<title>Under maintenance</title>
848	<link rel="stylesheet" id="asenha-maintenance" href="<?php echo ASENHA_URL . 'assets/css/maintenance.css' ?>" media="all">
849	<meta name="viewport" content="width=device-width">
850	<style>
851	body {
852	background-image: <?php echo $background_image; ?>;
853	}
854	</style>
855	</head>
856	<body>
857	<div class="page-wrapper">
858	<div class="message-box">
859	<h1><?php echo $heading; ?></h1>
860	<div class="description"><?php echo $description; ?></div>
861	</div>
862	</div>
863	</body>
864	</html>
865	<?php
866	exit();
867
868	}
869	}
870
871	}
872
873	/**
874	* Show Password Protection admin bar status icon
875	*
876	* @since 4.1.0
877	*/
878	public function show_maintenance_mode_admin_bar_icon() {
879	add_action( 'wp_before_admin_bar_render', [ $this, 'add_maintenance_mode_admin_bar_item' ] );
880	add_action( 'admin_head', [ $this, 'add_maintenance_mode_admin_bar_item_styles' ] );
881	add_action( 'wp_head', [ $this, 'add_maintenance_mode_admin_bar_item_styles' ] );
882	}
883
884	/**
885	* Add WP Admin Bar item
886	*
887	* @since 4.1.0
888	*/
889	public function add_maintenance_mode_admin_bar_item() {
890	global $wp_admin_bar;
891
892	if ( is_user_logged_in() ) {
893	if ( current_user_can( 'manage_options' ) ) {
894	$wp_admin_bar->add_menu( array(
895	'id' => 'maintenance_mode',
896	'title' => '',
897	'href' => admin_url( 'tools.php?page=admin-site-enhancements#utilities' ),
898	'meta' => array(
899	'title' => 'Maintenance mode is currently enabled for this site.',
900	),
901	) );
902	}
903	}
904
905	}
906
907	/**
908	* Add icon and CSS for admin bar item
909	*
910	* @since 4.1.0
911	*/
912	public function add_maintenance_mode_admin_bar_item_styles() {
913
914	if ( is_user_logged_in() ) {
915	if ( current_user_can( 'manage_options' ) ) {
916
917	?>
918	<style>
919	#wp-admin-bar-maintenance_mode {
920	background-color: #ff800c !important;
921	transition: .25s;
922	}
923	#wp-admin-bar-maintenance_mode > .ab-item {
924	color: #fff !important;
925	}
926	#wp-admin-bar-maintenance_mode > .ab-item:before {
927	content: "\f308";
928	top: 2px;
929	color: #fff !important;
930	margin-right: 0px;
931	}
932	#wp-admin-bar-maintenance_mode:hover > .ab-item {
933	background-color: #e5730a !important;
934	color: #fff;
935	}
936	</style>
937	<?php
938
939	}
940	}
941
942	}
943
944	}