content-control / classes / Controllers / Frontend / Restrictions / MainQuery.php

MainQuery.php in Content Control – The Ultimate Content Restriction Plugin! Restrict Content, Create Conditional Blocks & More 2.6.4, at classes/Controllers/Frontend/Restrictions/MainQuery.php

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1	<?php
2	/**
3	* Frontend main query restrictions.
4	*
5	* @copyright (c) 2023, Code Atlantic LLC.
6	* @package ContentControl
7	*/
8
9	namespace ContentControl\Controllers\Frontend\Restrictions;
10
11	use ContentControl\Base\Controller;
12
13	use function ContentControl\redirect;
14	use function ContentControl\get_main_wp_query;
15	use function ContentControl\set_query_to_page;
16	use function ContentControl\reset_query_context;
17	use function ContentControl\query_can_be_ignored;
18	use function ContentControl\content_is_restricted;
19	use function ContentControl\override_query_context;
20	use function ContentControl\protection_is_disabled;
21	use function ContentControl\get_applicable_restriction;
22	use function ContentControl\get_restriction_matches_for_queried_posts;
23
24	defined( 'ABSPATH' ) \|\| exit;
25
26	/**
27	* Class for handling global restrictions of the Main Query.
28	*
29	* @package ContentControl
30	*/
31	class MainQuery extends Controller {
32
33	/**
34	* Initiate functionality.
35	*/
36	public function init() {
37	// This can be done no later than template_redirect, and no sooner than send_headers (when conditional tags are available).
38	// Can be done on send_headers, posts_selection, or wp as well.
39	add_action( 'template_redirect', [ $this, 'restrict_main_query' ], 10 );
40	}
41
42	/**
43	* Handle a restriction on the main query.
44	*
45	* NOTE: This is only for redirecting or replacing pages and
46	* should not be used to filter or hide post contents.
47	*
48	* @return void
49	*/
50	public function restrict_main_query() {
51	if ( ! \is_main_query() \|\| protection_is_disabled() ) {
52	return;
53	}
54
55	$this->check_main_query();
56	$this->check_main_query_posts();
57	}
58
59	/**
60	* Handle restrictions on the main query.
61	*
62	* NOTE: This is only for redirecting or replacing archives and
63	* should not be used to filter or hide post contents.
64	*
65	* @return void
66	*/
67	public function check_main_query() {
68	// Bail if we didn't match any restrictions.
69	if ( content_is_restricted() ) {
70	$restriction = get_applicable_restriction();
71
72	/**
73	* Use this filter to prevent a post from being restricted, or to handle it yourself.
74	*
75	* @param null\|mixed $pre Whether to prevent the post from being restricted.
76	* @param null\|\ContentControl\Models\Restriction $restriction Restriction object.
77	* @return null\|mixed
78	*/
79	if ( null !== apply_filters( 'content_control/pre_restrict_main_query', null, $restriction ) ) {
80	return;
81	}
82
83	/**
84	* Fires when a post is restricted, but before the restriction is handled.
85	*
86	* @param \ContentControl\Models\Restriction $restriction Restriction object.
87	*/
88	do_action( 'content_control/restrict_main_query', $restriction );
89
90	$method = $restriction->get_setting( 'protectionMethod' );
91
92	switch ( $method ) {
93	case 'redirect':
94	redirect( $restriction->get_setting( 'redirectType' ), $restriction->get_setting( 'redirectUrl' ) );
95	return;
96
97	case 'replace':
98	if ( 'page' === $restriction->get_setting( 'replacementType' ) ) {
99	set_query_to_page( $restriction->get_setting( 'replacementPage' ) );
100	return;
101	}
102	}
103	}
104	}
105
106	/**
107	* Handle restrictions on the main query posts.
108	*
109	* NOTE: This is only for redirecting or replacing archives and
110	* should not be used to filter or hide post contents.
111	*
112	* @return void
113	*/
114	public function check_main_query_posts() {
115	$query = get_main_wp_query();
116
117	if ( query_can_be_ignored( $query ) ) {
118	return;
119	}
120
121	// Ensure rules are checked in the correct context.
122	override_query_context( 'main/posts' );
123
124	// Get restrictions for the queried posts.
125	$post_restrictions = get_restriction_matches_for_queried_posts( $query );
126
127	// Reset query context.
128	reset_query_context();
129
130	if ( ! $post_restrictions ) {
131	return;
132	}
133
134	// Only the highest priority restriction is needed with redirect or replace handling.
135	$restriction_match = false;
136
137	// Find the highest priority restriction with redirect or replace handling.
138	foreach ( $post_restrictions as $post_restriction ) {
139	/**
140	* Restriction object.
141	*
142	* @var \ContentControl\Models\Restriction
143	*/
144	$restriction = $post_restriction['restriction'];
145
146	if ( 'redirect' === $restriction->get_setting( 'archiveHandling' ) \|\| 'replace_archive_page' === $restriction->get_setting( 'archiveHandling' ) ) {
147	$restriction_match = $post_restriction;
148	break;
149	}
150	}
151
152	if ( false === $restriction_match ) {
153	return;
154	}
155
156	/**
157	* Restriction object.
158	*
159	* @var \ContentControl\Models\Restriction
160	*/
161	$restriction = $restriction_match['restriction'];
162	$post_ids = $restriction_match['post_ids'];
163
164	/**
165	* Use this filter to prevent a post from being restricted, or to handle it yourself.
166	*
167	* @param null\|mixed $pre Whether to prevent the post from being restricted.
168	* @param null\|\ContentControl\Models\Restriction $restriction Restriction object.
169	* @param int[] $post_id Post ID.
170	*
171	* @return null\|mixed
172	*/
173	if ( null !== apply_filters( 'content_control/pre_restrict_main_query_post', null, $restriction, $post_ids ) ) {
174	return;
175	}
176
177	/**
178	* Fires when a post is restricted, but before the restriction is handled.
179	*
180	* @param \ContentControl\Models\Restriction $restriction Restriction object.
181	* @param int[] $post_id Post ID.
182	*/
183	do_action( 'content_control/restrict_main_query_post', $restriction, $post_ids );
184
185	switch ( $restriction->get_setting( 'archiveHandling' ) ) {
186	case 'replace_archive_page':
187	set_query_to_page( $restriction->get_setting( 'archiveReplacementPage' ) );
188	break;
189	case 'redirect':
190	redirect( $restriction->get_setting( 'archiveRedirectType' ), $restriction->get_setting( 'archiveRedirectUrl' ) );
191	break;
192	}
193	}
194	}
195