class-maintenance-mode.php — Admin and Site Enhancements (ASE) 8.2.2

admin-site-enhancements / classes / class-maintenance-mode.php

admin-site-enhancements / classes Last commit date

class-maintenance-mode.php

196 lines

1	<?php
2
3	namespace ASENHA\Classes;
4
5	/**
6	* Class for Maintenance Mode module
7	*
8	* @since 6.9.5
9	*/
10	class Maintenance_Mode {
11	/**
12	* Redirect for when maintenance mode is enabled
13	*
14	* @since 4.7.0
15	*/
16	public function maintenance_mode_redirect( $wp ) {
17	$options = get_option( ASENHA_SLUG_U, array() );
18	$common_methods = new Common_Methods();
19	// Let's make a bypass key that is unique to each site
20	$hashed_site_url = wp_hash_password( site_url() );
21	$excluded_from_maintenance_mode = false;
22	$allow_frontend_access = $this->is_user_allowed_frontend_access();
23	if ( isset( $_GET['bypass'] ) && $hashed_site_url == sanitize_text_field( $_GET['bypass'] ) ) {
24	// Do nothing. We want to load the page normally, which is needed when using an existing page as a maintenance page
25	} elseif ( $excluded_from_maintenance_mode ) {
26	// Do nothing. This page is excluded from the maintentance mode.
27	} elseif ( !is_admin() && !is_login() && !$allow_frontend_access ) {
28	$maintenance_page_type = 'custom';
29	// ======== Customizable maintenance page ========
30	if ( 'custom' == $maintenance_page_type ) {
31	header( 'HTTP/1.1 503 Service Unavailable', true, 503 );
32	header( 'Status: 503 Service Unavailable' );
33	header( 'Retry-After: 3600' );
34	// Tell search engine bots to return after 3600 seconds, i.e. 1 hour
35	$heading = $options['maintenance_page_heading'];
36	$description = $options['maintenance_page_description'];
37	$background = ( isset( $options['maintenance_page_background'] ) ? $options['maintenance_page_background'] : 'stripes' );
38	$background_options = array('lines', 'stripes', 'curves');
39	// Set default
40	if ( !in_array( $background, $background_options ) ) {
41	$background = 'stripes';
42	}
43	$title = '';
44	$custom_head_code = '';
45	if ( 'lines' === $background ) {
46	// https://bgjar.com/curve-line
47	$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\")";
48	$background_style = 'background-image: ' . $background_image;
49	} elseif ( 'stripes' === $background ) {
50	// https://bgjar.com/shiny-overlay
51	$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\")";
52	$background_style = 'background-image: ' . $background_image;
53	} elseif ( 'curves' === $background ) {
54	// https://www.svgbackgrounds.com/
55	$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\")";
56	$background_style = 'background-image: ' . $background_image;
57	} elseif ( 'pattern' === $background ) {
58	$background_style = 'background-image: none;';
59	} elseif ( 'image' === $background ) {
60	$background_style = 'background-image: none;';
61	} elseif ( 'solid_color' === $background ) {
62	$background_style = 'background-color: #ffffff;';
63	} else {
64	}
65	?>
66	<html>
67	<head>
68	<title><?php
69	echo esc_html( $title );
70	?></title>
71	<link rel="stylesheet" id="asenha-maintenance" href="<?php
72	echo esc_html( ASENHA_URL ) . 'assets/css/maintenance.css';
73	?>" media="all">
74	<?php
75	echo wp_kses( $custom_head_code, get_kses_with_style_src_ruleset() );
76	?>
77	<meta name="viewport" content="width=device-width">
78	<?php
79	wp_site_icon();
80	?>
81	<style>
82	body {
83	<?php
84	echo wp_kses_post( $background_style );
85	?>;
86	background-size: cover;
87	background-position: center center;
88	}
89	<?php
90	?>
91	</style>
92	</head>
93	<body>
94	<div class="page-wrapper">
95	<div class="page-overlay">
96	</div>
97	<div class="message-box">
98	<h1><?php
99	echo wp_kses_post( $heading );
100	?></h1>
101	<div class="description"><?php
102	echo wp_kses_post( $description );
103	?></div>
104	</div>
105	</div>
106	</body>
107	</html>
108	<?php
109	exit;
110	}
111	} else {
112	}
113	}
114
115	/**
116	* Show Password Protection admin bar status icon
117	*
118	* @since 4.1.0
119	*/
120	public function show_maintenance_mode_admin_bar_icon() {
121	add_action( 'wp_before_admin_bar_render', [$this, 'add_maintenance_mode_admin_bar_item'] );
122	add_action( 'admin_head', [$this, 'add_maintenance_mode_admin_bar_item_styles'] );
123	add_action( 'wp_head', [$this, 'add_maintenance_mode_admin_bar_item_styles'] );
124	}
125
126	/**
127	* Add WP Admin Bar item
128	*
129	* @since 4.1.0
130	*/
131	public function add_maintenance_mode_admin_bar_item() {
132	global $wp_admin_bar;
133	$allow_frontend_access = $this->is_user_allowed_frontend_access();
134	if ( is_user_logged_in() ) {
135	if ( $allow_frontend_access ) {
136	$wp_admin_bar->add_menu( array(
137	'id' => 'maintenance_mode',
138	'title' => '',
139	'href' => admin_url( 'tools.php?page=admin-site-enhancements#utilities' ),
140	'meta' => array(
141	'title' => __( 'Maintenance mode is currently enabled for this site.', 'admin-site-enhancements' ),
142	),
143	) );
144	}
145	}
146	}
147
148	/**
149	* Add icon and CSS for admin bar item
150	*
151	* @since 4.1.0
152	*/
153	public function add_maintenance_mode_admin_bar_item_styles() {
154	$allow_frontend_access = $this->is_user_allowed_frontend_access();
155	if ( is_user_logged_in() ) {
156	if ( $allow_frontend_access ) {
157	?>
158	<style>
159	#wp-admin-bar-maintenance_mode {
160	background-color: #ff800c !important;
161	transition: .25s;
162	}
163	#wp-admin-bar-maintenance_mode > .ab-item {
164	color: #fff !important;
165	}
166	#wp-admin-bar-maintenance_mode > .ab-item:before {
167	content: "\f308";
168	top: 2px;
169	color: #fff !important;
170	margin-right: 0px;
171	}
172	#wp-admin-bar-maintenance_mode:hover > .ab-item {
173	background-color: #e5730a !important;
174	color: #fff;
175	}
176	</style>
177	<?php
178	}
179	}
180	}
181
182	/**
183	* Check if a user role is allowed to access the frontend
184	*
185	* @since 6.9.3
186	*/
187	public function is_user_allowed_frontend_access() {
188	$allow_frontend_access = false;
189	if ( current_user_can( 'edit_posts' ) ) {
190	$allow_frontend_access = true;
191	}
192	return $allow_frontend_access;
193	}
194
195	}
196