simply-disable-comments / plugin.php

plugin.php in Simply Disable Comments trunk, at plugin.php

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1	<?php
2	/**
3	* Plugin Name: Simply Disable Comments
4	* Plugin URI: https://wordpress.org/plugins/simply-disable-comments/
5	* Description: A simple way to fully disable comments on your WordPress.
6	* Author: HandyPlugins
7	* Author URI: https://handyplugins.co/
8	* Text Domain: simply-disable-comments
9	* Domain Path: /languages
10	* Version: 0.3.2
11	* Requires at least: 5.0
12	* Requires PHP: 7.2
13	* License: GPLv2 or later
14	* License URI: https://www.gnu.org/licenses/gpl-2.0.html
15	*
16	* @package SimplyDisableComments
17	*/
18
19	namespace SimplyDisableComments;
20
21	if ( ! defined( 'ABSPATH' ) ) {
22	exit; // Exit if accessed directly.
23	}
24
25	define( 'SIMPLY_DISABLE_COMMENTS_VERSION', '0.3.2' );
26	define( 'SIMPLY_DISABLE_COMMENTS_PLUGIN_FILE', __FILE__ );
27	define( 'SIMPLY_DISABLE_COMMENTS_URL', plugin_dir_url( __FILE__ ) );
28	define( 'SIMPLY_DISABLE_COMMENTS_PATH', plugin_dir_path( __FILE__ ) );
29
30	$simply_disable_comments_network_activated = is_network_wide( __FILE__ );
31
32	if ( ! defined( 'SIMPLY_DISABLE_COMMENTS_IS_NETWORK' ) ) {
33	define( 'SIMPLY_DISABLE_COMMENTS_IS_NETWORK', $simply_disable_comments_network_activated );
34	}
35
36	/**
37	* Setup routine.
38	*
39	* @return void
40	*/
41	function setup() {
42	add_action( 'init', __NAMESPACE__ . '\\i18n' );
43	add_action( 'admin_init', __NAMESPACE__ . '\\remove_from_post_type_support' );
44	add_action( 'admin_menu', __NAMESPACE__ . '\\remove_admin_menu' );
45	add_action( 'admin_print_styles-index.php', __NAMESPACE__ . '\\admin_styles' );
46	add_action( 'admin_print_styles-profile.php', __NAMESPACE__ . '\\admin_styles' );
47	add_action( 'wp_dashboard_setup', __NAMESPACE__ . '\\remove_dashboard_widget' );
48	add_filter( 'pre_option_default_pingback_flag', '__return_zero' );
49	add_filter( 'xmlrpc_methods', __NAMESPACE__ . '\\disable_xmlrpc' );
50	add_filter( 'rest_endpoints', __NAMESPACE__ . '\\remove_rest_api_endpoints' );
51	add_filter( 'rest_pre_insert_comment', __NAMESPACE__ . '\\disable_rest_api_comments', 10, 2 );
52	add_filter( 'comments_open', '__return_false', 20, 2 );
53	add_filter( 'pings_open', '__return_false', 20, 2 );
54	add_filter( 'comments_array', '__return_empty_array', 10, 2 );
55	add_action( 'template_redirect', __NAMESPACE__ . '\\remove_from_admin_bar' );
56	add_action( 'admin_init', __NAMESPACE__ . '\\remove_from_admin_bar' );
57	add_action( 'init', __NAMESPACE__ . '\\remove_comments_blocks', 20 );
58	add_action( 'enqueue_block_editor_assets', __NAMESPACE__ . '\\enqueue_block_editor_scripts', 20 );
59	}
60
61	/**
62	* Registers the default textdomain.
63	*
64	* @return void
65	*/
66	function i18n() {
67	$locale = apply_filters( 'simply_disable_comments_locale', get_locale(), 'simply-disable-comments' );
68	load_textdomain( 'simply-disable-comments', WP_LANG_DIR . '/simply-disable-comments/simply-disable-comments-' . $locale . '.mo' );
69	}
70
71	/**
72	* Unregister comments blocks
73	*
74	* @return void
75	*/
76	function remove_comments_blocks() {
77	if ( ! class_exists( '\WP_Block_Type_Registry' ) ) {
78	return;
79	}
80
81	$registered_blocks = \WP_Block_Type_Registry::get_instance()->get_all_registered();
82
83	$comment_blocks = [
84	'core/comment-author-name',
85	'core/comment-content',
86	'core/comment-date',
87	'core/comment-edit-link',
88	'core/comment-reply-link',
89	'core/comment-template',
90	'core/comments',
91	'core/comments-pagination',
92	'core/comments-pagination-next',
93	'core/comments-pagination-numbers',
94	'core/comments-pagination-previous',
95	'core/comments-title',
96	'core/latest-comments',
97	'core/post-comments-form',
98	'core/post-comments',
99	'core/post-comments-count',
100	'core/post-comments-link',
101	];
102
103	foreach ( $comment_blocks as $block ) {
104	if ( isset( $registered_blocks[ $block ] ) ) {
105	unregister_block_type( $block );
106	}
107	}
108	}
109
110	/**
111	* Remove registered comments blocks from the editor
112	*
113	* @return void
114	*/
115	function enqueue_block_editor_scripts() {
116
117	$assets_data = include_once SIMPLY_DISABLE_COMMENTS_PATH . '/dist/js/editor.asset.php';
118
119	wp_enqueue_script(
120	'simply-disable-comments-block-editor',
121	SIMPLY_DISABLE_COMMENTS_URL . 'dist/js/editor.js',
122	$assets_data['dependencies'],
123	$assets_data['version'],
124	true
125	);
126	}
127
128	/**
129	* Remove comment item from admin bar
130	*
131	* @return void
132	*/
133	function remove_from_admin_bar() {
134	if ( is_admin_bar_showing() ) {
135	remove_action( 'admin_bar_menu', 'wp_admin_bar_comments_menu', 60 );
136	if ( is_multisite() ) {
137	add_action( 'admin_bar_menu', __NAMESPACE__ . '\\remove_from_network_admin_bar', 500 );
138	}
139	}
140	}
141
142	/**
143	* Remove from network admin bar
144	*
145	* @param \WP_Admin_Bar $wp_admin_bar Admin bar instance.
146	*
147	* @return void
148	*/
149	function remove_from_network_admin_bar( $wp_admin_bar ) {
150	$wp_admin_bar->remove_menu( 'blog-' . get_current_blog_id() . '-c' );
151	}
152
153	/**
154	* Disable support for comments and trackbacks in post types
155	*
156	* @return void
157	*/
158	function remove_from_post_type_support() {
159	foreach ( get_post_types() as $post_type ) {
160	if ( post_type_supports( $post_type, 'comments' ) ) {
161	\remove_post_type_support( $post_type, 'comments' );
162	\remove_post_type_support( $post_type, 'trackbacks' );
163	}
164	}
165	}
166
167	/**
168	* Remove admin menu
169	*
170	* @return void
171	*/
172	function remove_admin_menu() {
173	global $pagenow;
174
175	if ( 'comment.php' === $pagenow \|\| 'edit-comments.php' === $pagenow ) {
176	wp_die( esc_html__( 'Comments are closed.', 'simply-disable-comments' ), '', [ 'response' => 403 ] );
177	}
178
179	remove_menu_page( 'edit-comments.php' );
180
181	if ( 'options-discussion.php' === $pagenow ) {
182	wp_die( esc_html__( 'Comments are closed.', 'simply-disable-comments' ), '', [ 'response' => 403 ] );
183	}
184
185	remove_submenu_page( 'options-general.php', 'options-discussion.php' );
186	}
187
188	/**
189	* Hide on dashboard
190	*
191	* @return void
192	*/
193	function admin_styles() {
194	?>
195	<style>
196	#dashboard_right_now .comment-count,
197	#dashboard_right_now .comment-mod-count,
198	#latest-comments,
199	#welcome-panel .welcome-comments,
200	.user-comment-shortcuts-wrap {
201	display: none !important;
202	}
203	</style>
204	<?php
205	}
206
207	/**
208	* Remove dashboard widget
209	*
210	* @return void
211	*/
212	function remove_dashboard_widget() {
213	remove_meta_box( 'dashboard_recent_comments', 'dashboard', 'normal' );
214	}
215
216	/**
217	* Remove newComment method from XMLRPC
218	*
219	* @param array $methods XMLRPC methods.
220	*
221	* @return mixed
222	*/
223	function disable_xmlrpc( $methods ) {
224	unset( $methods['wp.newComment'] );
225
226	return $methods;
227	}
228
229
230	/**
231	* Remove the comments endpoint for the REST API
232	*
233	* @param array $endpoints Registered endpoints.
234	*/
235	function remove_rest_api_endpoints( $endpoints ) {
236	unset( $endpoints['comments'] );
237
238	return $endpoints;
239	}
240
241	/**
242	* Remove the comments endpoint for the REST API
243	*
244	* @param array\|\WP_Error $prepared_comment The prepared comment data for wp_insert_comment().
245	* @param \WP_REST_Request $request Request used to insert the comment.
246	*
247	* @return \WP_Error
248	*/
249	function disable_rest_api_comments( $prepared_comment, $request ) {
250	return new \WP_Error( 'rest_comments_disabled', esc_html__( 'Comments are closed.', 'simply-disable-comments' ), [ 'status' => 403 ] );
251	}
252
253	/**
254	* Register general settings on multisite (to give site based control)
255	*
256	* @return void
257	*/
258	function register_general_settings_field() {
259	register_setting( 'general', 'simply_disable_comments_enable_comments', 'boolval' );
260
261	add_settings_field(
262	'simply-disable-comments-enable-comments',
263	esc_html__( 'Enable Comments', 'simply-disable-comments' ),
264	__NAMESPACE__ . '\\render_general_settings_field',
265	'general'
266	);
267	}
268
269	/**
270	* Settings field
271	*
272	* @return void
273	*/
274	function render_general_settings_field() {
275	$value = get_option( 'simply_disable_comments_enable_comments', false );
276	?>
277	<fieldset>
278	<legend class="screen-reader-text">
279	<span><?php esc_html_e( 'Enable Comments', 'simply-disable-comments' ); ?></span>
280	</legend>
281	<label for="simply_disable_comments_enable_comments">
282	<input <?php checked( true, $value ); ?>name="simply_disable_comments_enable_comments" type="checkbox" id="simply_disable_comments_enable_comments" value="1">
283	<?php esc_html_e( 'Enable commenting on this site', 'simply-disable-comments' ); ?>
284	</label>
285	</fieldset>
286	<?php
287	}
288
289	/**
290	* Is plugin activated network wide?
291	*
292	* @param string $plugin_file file path
293	*
294	* @return bool
295	* @since 1.0
296	*/
297	function is_network_wide( $plugin_file ) {
298	if ( ! is_multisite() ) {
299	return false;
300	}
301
302	if ( ! function_exists( 'is_plugin_active_for_network' ) ) {
303	require_once ABSPATH . '/wp-admin/includes/plugin.php';
304	}
305
306	return is_plugin_active_for_network( plugin_basename( $plugin_file ) );
307	}
308
309	add_action( 'plugins_loaded', __NAMESPACE__ . '\\init' );
310
311	/**
312	* Bootstrap the plugin
313	*
314	* @return void
315	*/
316	function init() {
317	$comments_enabled = false;
318
319	if ( SIMPLY_DISABLE_COMMENTS_IS_NETWORK ) {
320	add_filter( 'admin_init', __NAMESPACE__ . '\\register_general_settings_field' );
321	$comments_enabled = get_option( 'simply_disable_comments_enable_comments', false );
322	}
323
324	$comment_status = apply_filters( 'simply_disable_comments_enable_comments', $comments_enabled );
325
326	if ( ! $comment_status ) {
327	setup();
328	}
329	}
330