REST_API.php — Independent Analytics – WordPress Analytics Plugin 2.6.3

independent-analytics / IAWP / REST_API.php

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REST_API.php

181 lines

1	<?php
2
3	namespace IAWP;
4
5	use IAWP\Models\Visitor;
6	use IAWP\Utils\Device;
7	use IAWP\Utils\Request;
8	use IAWP\Utils\Salt;
9	use IAWP\Utils\Security;
10	use IAWP\Utils\URL;
11	/** @internal */
12	class REST_API
13	{
14	public function __construct()
15	{
16	\add_action('wp_footer', [$this, 'echo_tracking_script']);
17	\add_action('rest_api_init', [$this, 'register_rest_api']);
18	// Support for PDF Viewer by Themencode (free and pro versions)
19	\add_action('tnc_pvfw_viewer_head', [$this, 'echo_tracking_script']);
20	\add_action('tnc_pvfw_head', [$this, 'echo_tracking_script']);
21	// Support for Coming Soon and Maintenance by Colorlib
22	\add_action('ccsm_header', [$this, 'echo_tracking_script']);
23	}
24	public function echo_tracking_script()
25	{
26	if (!\get_option('iawp_track_authenticated_users') && \is_user_logged_in()) {
27	// Todo - Can we clear the cache plugins to make sure that the pages so tracking code as user logs in & out?
28	return;
29	}
30	if ($this->block_user_role()) {
31	return;
32	}
33	// Don't track post or page previews
34	if (\is_preview()) {
35	return;
36	}
37	$payload = [];
38	$current_resource = \IAWP\Resource_Identifier::for_resource_being_viewed();
39	if (\is_null($current_resource)) {
40	return;
41	}
42	$payload['resource'] = $current_resource->type();
43	if ($current_resource->has_meta()) {
44	$payload[$current_resource->meta_key()] = $current_resource->meta_value();
45	}
46	$payload['page'] = \max(1, \get_query_var('paged'));
47	$data = ['payload' => $payload];
48	$data['signature'] = \md5(Salt::request_payload_salt() . \json_encode($data['payload']));
49	$url = \get_rest_url() . 'iawp/search';
50	?>
51	<script>
52	(function () {
53	document.addEventListener("DOMContentLoaded", function (e) {
54	if (document.hasOwnProperty("visibilityState") && document.visibilityState === "prerender") {
55	return;
56	}
57
58	<?php
59	if (!\defined('IAWP_TESTING')) {
60	?>
61	if (navigator.webdriver \|\| /bot\|crawler\|spider\|crawling\|semrushbot\|chrome-lighthouse/i.test(navigator.userAgent)) {
62	return;
63	}
64	<?php
65	}
66	?>
67
68	let referrer_url = null;
69
70	if (typeof document.referrer === 'string' && document.referrer.length > 0) {
71	referrer_url = document.referrer;
72	}
73
74	const params = location.search.slice(1).split('&').reduce((acc, s) => {
75	const [k, v] = s.split('=')
76	return Object.assign(acc, {[k]: v})
77	}, {})
78
79	const url = "<?php
80	echo $url;
81	?>"
82	const body = {
83	referrer_url,
84	utm_source: params.utm_source,
85	utm_medium: params.utm_medium,
86	utm_campaign: params.utm_campaign,
87	utm_term: params.utm_term,
88	utm_content: params.utm_content,
89	gclid: params.gclid,
90	...<?php
91	echo \json_encode($data);
92	?>
93	}
94	const xhr = new XMLHttpRequest()
95	xhr.open("POST", url, true)
96	xhr.setRequestHeader("Content-Type", "application/json;charset=UTF-8")
97	xhr.send(JSON.stringify(body))
98	})
99	})();
100	</script>
101	<?php
102	}
103	public function register_rest_api()
104	{
105	\register_rest_route('iawp', '/search', ['methods' => 'POST', 'callback' => [$this, 'track_view'], 'permission_callback' => function () {
106	return \true;
107	}]);
108	}
109	public function track_view($request)
110	{
111	if (Device::getInstance()->is_bot() && !\defined('IAWP_TESTING')) {
112	return;
113	}
114	\IAWP\Migrations\Migrations::handle_migration_18_error();
115	\IAWP\Migrations\Migrations::handle_migration_22_error();
116	\IAWP\Migrations\Migrations::handle_migration_29_error();
117	\IAWP\Migrations\Migrations::create_or_migrate();
118	if (\IAWP\Migrations\Migrations::is_migrating()) {
119	return;
120	}
121	if ($this->maybe_block_ip_address()) {
122	return;
123	}
124	$visitor = Visitor::fetch_current_visitor();
125	$signature = \md5(Salt::request_payload_salt() . \json_encode($request['payload']));
126	$campaign = [];
127	if (\IAWPSCOPED\iawp_is_pro()) {
128	$campaign = ['utm_source' => $this->decode_or_nullify($request['utm_source']), 'utm_medium' => $this->decode_or_nullify($request['utm_medium']), 'utm_campaign' => $this->decode_or_nullify($request['utm_campaign']), 'utm_term' => $this->decode_or_nullify($request['utm_term']), 'utm_content' => $this->decode_or_nullify($request['utm_content'])];
129	}
130	if ($signature == $request['signature']) {
131	new \IAWP\View($request['payload'], $this->calculate_referrer_url($request), $visitor, $campaign);
132	return new \WP_REST_Response(['success' => \true], 200, ['X-IAWP' => 'iawp']);
133	} else {
134	return new \WP_REST_Response(['success' => \false], 200, ['X-IAWP' => 'iawp']);
135	}
136	}
137	private function calculate_referrer_url($request) : ?string
138	{
139	$referrer_url = $request['referrer_url'];
140	$url = new URL($referrer_url ?? '');
141	if (!\is_null($this->decode_or_nullify($request['gclid'])) && $url->get_domain() !== 'googleads.g.doubleclick.net') {
142	$referrer_url = 'https://googleads.iawp';
143	}
144	if (\is_null($referrer_url)) {
145	return null;
146	}
147	return $referrer_url;
148	}
149	private function decode_or_nullify($string)
150	{
151	if (!isset($string)) {
152	return null;
153	}
154	$safe_string = \trim(\urldecode($string));
155	$safe_string = \str_replace('+', ' ', $safe_string);
156	$safe_string = Security::string($safe_string);
157	if (\strlen($safe_string) === 0) {
158	return null;
159	}
160	return $safe_string;
161	}
162	private function maybe_block_ip_address()
163	{
164	$blocked_ips = \IAWPSCOPED\iawp()->get_option('iawp_blocked_ips', []);
165	if (\count($blocked_ips) == 0) {
166	return \false;
167	}
168	return Request::is_ip_address_blocked($blocked_ips);
169	}
170	private function block_user_role() : bool
171	{
172	$blocked_roles = \IAWPSCOPED\iawp()->get_option('iawp_blocked_roles', []);
173	foreach (\wp_get_current_user()->roles as $visitor_role) {
174	if (\in_array($visitor_role, $blocked_roles)) {
175	return \true;
176	}
177	}
178	return \false;
179	}
180	}
181