cookiebot / addons / lib / cookie-consent.php

cookie-consent.php in Cookiebot by Usercentrics – Automatic Cookie Banner for GDPR/CCPA & Google Consent Mode 2.4.0, at addons/lib/cookie-consent.php

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1	<?php
2
3	namespace cookiebot_addons\lib;
4
5	class Cookie_Consent implements Cookie_Consent_Interface {
6
7	/**
8	* Array of cookiebot consent states
9	*
10	* It can have 4 items:
11	* - necessary
12	* - preferences
13	* - statistics
14	* - marketing
15	*
16	* @var array consent state
17	*
18	* @since 1.2.0
19	*/
20	private $states = array();
21
22	/**
23	* Scan cookiebot cookie
24	*
25	* @since 1.2.0
26	*/
27	public function __construct() {
28	$this->scan_cookie();
29	}
30
31	/**
32	* Scans cookiebot consent cookie and fills in $states with accepted consents.
33	*
34	* @since 1.2.0
35	*/
36	public function scan_cookie() {
37	//default - set strictly necessary cookies
38	$this->add_state( 'necessary' );
39
40	if ( isset( $_COOKIE["CookieConsent"] ) ) {
41	switch ( $_COOKIE["CookieConsent"] ) {
42	case "0":
43	//The user has not accepted cookies - set strictly necessary cookies only
44	break;
45
46	case "-1":
47	//The user is not within a region that requires consent - all cookies are accepted
48	$this->add_state( 'preferences' );
49	$this->add_state( 'statistics' );
50	$this->add_state( 'marketing' );
51	break;
52
53	default: //The user has accepted one or more type of cookies
54
55	//Read current user consent in encoded JavaScript format
56	$valid_php_json = preg_replace( '/\s:\s([a-zA-Z0-9_]+?)([}\[,])/', ':"$1"$2', preg_replace( '/([{\[,])\s*([a-zA-Z0-9_]+?):/', '$1"$2":', str_replace( "'", '"', stripslashes( $_COOKIE["CookieConsent"] ) ) ) );
57	$CookieConsent = json_decode( $valid_php_json );
58
59	if ( filter_var( $CookieConsent->preferences, FILTER_VALIDATE_BOOLEAN ) ) {
60	//Current user accepts preference cookies
61	$this->add_state( 'preferences' );
62	} else {
63	//Current user does NOT accept preference cookies
64	}
65
66	if ( filter_var( $CookieConsent->statistics, FILTER_VALIDATE_BOOLEAN ) ) {
67	//Current user accepts statistics cookies
68	$this->add_state( 'statistics' );
69	} else {
70	//Current user does NOT accept statistics cookies
71	}
72
73	if ( filter_var( $CookieConsent->marketing, FILTER_VALIDATE_BOOLEAN ) ) {
74	//Current user accepts marketing cookies
75	$this->add_state( 'marketing' );
76	} else {
77	//Current user does NOT accept marketing cookies
78	}
79	}
80	} else {
81	//The user has not accepted cookies - set strictly necessary cookies only
82	}
83	}
84
85	/**
86	* Adds state to $states variable
87	*
88	* @param $state string new state
89	*
90	* @since 1.2.0
91	*/
92	public function add_state( $state ) {
93	if ( ! in_array( $state, $this->states ) ) {
94	$this->states[] = $state;
95	}
96	}
97
98	/**
99	* Returns cookiebot cookie consent state
100	*
101	* @return array array List of accepted cookiebot consents
102	*
103	* @since 1.2.0
104	*/
105	public function get_cookie_states() {
106	if ( count( $this->states ) == 0 ) {
107	$this->scan_cookie();
108	}
109
110	return $this->states;
111	}
112
113	/**
114	* Checks if the cookie states are accepted.
115	*
116	* @param $states array Cookie states to check if it is accepted.
117	*
118	* @return bool
119	*
120	* @since 1.3.0
121	*/
122	public function are_cookie_states_accepted( $states ) {
123	if ( is_array( $states ) ) {
124	foreach ( $states as $state ) {
125	if ( ! in_array( $state, $this->states ) ) {
126	return false;
127	}
128	}
129	}
130
131	return true;
132	}
133
134	/**
135	* Checks if the cookie state is accepted
136	*
137	* @param $state string Cookie state to check if it is accepted
138	*
139	* @return bool
140	*/
141	public function is_cookie_state_accepted( $state ) {
142	return in_array( $state, $this->states );
143	}
144	}
145