mainwp / class / class-mainwp-connect-lib.php

class-mainwp-connect-lib.php in MainWP Dashboard: Self-hosted WordPress Management for Agencies trunk, at class/class-mainwp-connect-lib.php

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1	<?php
2	/**
3	* MainWP Connect Lib
4	*
5	* MainWP Connect Lib functions.
6	*
7	* @package MainWP/Dashboard
8	*/
9
10	namespace MainWP\Dashboard;
11
12	use phpseclib3\Crypt\RSA;
13	use phpseclib3\Crypt\PublicKeyLoader;
14
15	// Exit if accessed directly.
16	if ( ! defined( 'ABSPATH' ) ) {
17	exit;
18	}
19
20	/**
21	* Class MainWP_Connect_Lib
22	*
23	* @package MainWP\Dashboard
24	*/
25	class MainWP_Connect_Lib { // phpcs:ignore Generic.Classes.OpeningBraceSameLine.ContentAfterBrace -- NOSONAR.
26
27	/**
28	* Private static variable to hold the single instance of the class.
29	*
30	* @static
31	*
32	* @var mixed Default null
33	*/
34	private static $instance = null;
35
36	/**
37	* Method instance()
38	*
39	* Create a public static instance.
40	*
41	* @static
42	* @return Instance class.
43	*/
44	public static function instance() {
45	if ( null === static::$instance ) {
46	static::$instance = new self();
47	}
48	return static::$instance;
49	}
50
51	/**
52	* Method get_class_name()
53	*
54	* Get Class Name.
55	*
56	* @return object Class name.
57	*/
58	public static function get_class_name() {
59	return __CLASS__;
60	}
61
62	/**
63	* Class constructor.
64	*
65	* Run each time the class is called.
66	*/
67	public function __construct() {
68	}
69
70	/**
71	* Method create_connect_keys()
72	*
73	* Create connect keys.
74	*/
75	public function create_connect_keys() {
76	try {
77	//phpcs:ignore -- note.
78	// RSA::useInternalEngine(); // to use PHP engine.
79	$private = RSA::createKey();
80	$public = $private->getPublicKey();
81	$private_key = $private->toString( 'PKCS1' );
82	$public_key = $public->toString( 'PKCS1' );
83	return array(
84	'pub' => $public_key,
85	'priv' => $private_key,
86	);
87	} catch ( \Exception $ex ) {
88	// error happen.
89	}
90	return false;
91	}
92
93	/**
94	* Method connect_sign()
95	*
96	* Sign to connect.
97	*
98	* @param mixed $data The data.
99	* @param mixed $signature The signature.
100	* @param mixed $privkey The privkey.
101	* @param int $site_id site id.
102	*/
103	public static function connect_sign( $data, &$signature, $privkey, $site_id ) {
104	try {
105	$de_privkey = MainWP_Encrypt_Data_Lib::instance()->decrypt_privkey( $privkey, $site_id );
106	if ( empty( $de_privkey ) ) {
107	$de_privkey = $privkey; // compatible.
108	}
109	$private = PublicKeyLoader::loadPrivateKey( $de_privkey );
110	$signature = $private->sign( $data );
111	if ( ! empty( $signature ) ) {
112	return true;
113	}
114	} catch ( \Exception $ex ) {
115	// error happen.
116	}
117	return false;
118	}
119
120
121	/**
122	* Method is_use_fallback_sec_lib()
123	*
124	* Use php connect lib or not.
125	*
126	* @param mixed $website The website.
127	*/
128	public static function is_use_fallback_sec_lib( $website ) {
129	$use_fallback_lib = false;
130	if ( is_object( $website ) && property_exists( $website, 'verify_method' ) ) {
131	$val = (int) $website->verify_method;
132	if ( 2 === $val ) {
133	$use_fallback_lib = true;
134	} elseif ( 3 === $val \|\| empty( $val ) ) { // use general settings.
135	$use_fallback_lib = ( 2 === (int) get_option( 'mainwp_verify_connection_method' ) ) ? true : false;
136	}
137	} else {
138	$use_fallback_lib = ( 2 === (int) get_option( 'mainwp_verify_connection_method' ) ) ? true : false;
139	}
140	return $use_fallback_lib;
141	}
142
143	/**
144	* Method get_connection_algo_settings_note()
145	*
146	* Get connection settings note.
147	*/
148	public static function get_connection_algo_settings_note() {
149	return esc_html__( 'Due to security reasons, switching back to OPENSSL_ALGO_SHA1 breaks the connection to your child site(s). It is required to deactivate & reactivate the MainWP Child plugin on child sites before you can reconnect them. Use OPENSSL_ALGO_SHA1 only if necessary.', 'mainwp' );
150	}
151	}
152