code-snippets / php / evaluation / class-evaluate-functions.php

class-evaluate-functions.php in Code Snippets 3.7.0, at php/evaluation/class-evaluate-functions.php

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1	<?php
2
3	namespace Evaluation;
4
5	use Code_Snippets\DB;
6	use Code_Snippets\REST_API\Snippets_REST_Controller;
7	use function Code_Snippets\clean_active_snippets_cache;
8	use function Code_Snippets\clean_snippets_cache;
9	use function Code_Snippets\execute_snippet;
10
11	/**
12	* Class for evaluating functions snippets.
13	*
14	* @package Code_Snippets
15	*/
16	class Evaluate_Functions {
17
18	/**
19	* Database class.
20	*
21	* @var DB
22	*/
23	private DB $db;
24
25	/**
26	* Class constructor.
27	*
28	* @param DB $db Database class instance.
29	*/
30	public function __construct( DB $db ) {
31	$this->db = $db;
32	add_action( 'plugins_loaded', [ $this, 'evaluate_early' ], 1 );
33	}
34
35	/**
36	* Retrieve details about the currently edited snippet, if any.
37	*
38	* @return ?array{id: int, table: string}
39	*/
40	private function get_currently_editing_snippet(): ?array {
41	if ( wp_is_json_request() && ! empty( $_SERVER['REQUEST_URI'] ) ) {
42	$url = wp_parse_url( esc_url_raw( wp_unslash( $_SERVER['REQUEST_URI'] ) ) );
43
44	if ( isset( $url['path'] ) && false !== strpos( $url['path'], Snippets_REST_Controller::get_prefixed_base_route() ) ) {
45	$path_parts = explode( '/', $url['path'] );
46	$edit_id = intval( end( $path_parts ) );
47
48	if ( ! empty( $url['query'] ) ) {
49	wp_parse_str( $url['query'], $path_params );
50	$edit_table = isset( $path_params['network'] ) && rest_sanitize_boolean( $path_params['network'] )
51	? $this->db->ms_table
52	: $this->db->table;
53	}
54
55	return [
56	'id' => $edit_id,
57	'table' => $edit_table ?? $this->db->table,
58	];
59	}
60	}
61
62	return null;
63	}
64
65	/**
66	* Check if the plugin is running in safe mode.
67	*
68	* @return bool
69	*
70	* @noinspection PhpUndefinedConstantInspection
71	*/
72	public function is_safe_mode_active(): bool {
73	return ( defined( 'CODE_SNIPPETS_SAFE_MODE' ) && CODE_SNIPPETS_SAFE_MODE ) \|\|
74	! apply_filters( 'code_snippets/execute_snippets', true );
75	}
76
77	/**
78	* Quickly deactivate a snippet with minimal overhead.
79	*
80	* @param int $snippet_id ID of the snippet to deactivate.
81	* @param string $table_name Name of the table where the snippet is stored.
82	*
83	* @return void
84	*/
85	private function quick_deactivate_snippet( int $snippet_id, string $table_name ) {
86	global $wpdb;
87
88	$active_shared_ids = get_option( 'active_shared_network_snippets', [] );
89	$active_shared_ids = is_array( $active_shared_ids )
90	? array_map( 'intval', $active_shared_ids )
91	: [];
92
93	if ( $table_name === $this->db->ms_table && in_array( $snippet_id, $active_shared_ids, true ) ) {
94	unset( $active_shared_ids[ array_search( $snippet_id, $active_shared_ids, true ) ] );
95	$active_shared_ids = array_values( $active_shared_ids );
96	update_option( 'active_shared_network_snippets', $active_shared_ids );
97	clean_active_snippets_cache( $table_name );
98	} else {
99	$wpdb->update(
100	$table_name,
101	[ 'active' => '0' ],
102	[ 'id' => $snippet_id ],
103	[ '%d' ],
104	[ '%d' ]
105	);
106	clean_snippets_cache( $table_name );
107	}
108	}
109
110	/**
111	* Evaluate applicable active snippets as early as possible.
112	*
113	* @return bool True if snippets were evaluated, false if safe mode is active.
114	*/
115	public function evaluate_early(): bool {
116	if ( $this->is_safe_mode_active() ) {
117	return false;
118	}
119
120	$scopes = [ 'global', 'single-use', is_admin() ? 'admin' : 'front-end' ];
121	$active_snippets = $this->db->fetch_active_snippets( $scopes );
122	$edit_snippet = $this->get_currently_editing_snippet();
123
124	foreach ( $active_snippets as $snippet ) {
125	$snippet_id = $snippet['id'];
126	$code = $snippet['code'];
127	$table_name = $snippet['table'];
128
129	// If the snippet is a single-use snippet, deactivate it before execution to ensure that the process always happens.
130	if ( 'single-use' === $snippet['scope'] ) {
131	$this->quick_deactivate_snippet( $snippet_id, $table_name );
132	}
133
134	if ( apply_filters( 'code_snippets/allow_execute_snippet', true, $snippet_id, $table_name ) &&
135	( is_null( $edit_snippet ) \|\| $edit_snippet['id'] !== $snippet_id \|\| $edit_snippet['table'] !== $table_name ) ) {
136	execute_snippet( $code, $snippet_id );
137	}
138	}
139
140	return true;
141	}
142	}
143