yatra / app / Ajax / GeocodingAjax.php

GeocodingAjax.php in Yatra – Travel Booking & Tour Operator Software 3.0.2.6, at app/Ajax/GeocodingAjax.php

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1	<?php
2
3	declare(strict_types=1);
4
5	namespace Yatra\Ajax;
6
7	use Yatra\Repositories\GeocodingRepository;
8
9	/**
10	* AJAX handlers for Geocoding functionality
11	*
12	* Rate limiting uses WordPress transients (always on). Response caching goes through
13	* {@see GeocodingRepository} → {@see \Yatra\Utils\Cache} (not options).
14	*/
15	class GeocodingAjax
16	{
17	private GeocodingRepository $geocodingRepository;
18
19	public function __construct()
20	{
21	$this->geocodingRepository = new GeocodingRepository();
22	add_action('wp_ajax_yatra_search_locations', [$this, 'searchLocations']);
23	add_action('wp_ajax_nopriv_yatra_search_locations', [$this, 'searchLocations']);
24	add_action('wp_ajax_yatra_reverse_geocode', [$this, 'reverseGeocode']);
25	add_action('wp_ajax_nopriv_yatra_reverse_geocode', [$this, 'reverseGeocode']);
26	}
27
28	/**
29	* Search for locations using Nominatim API
30	*/
31	public function searchLocations(): void
32	{
33	// Verify nonce
34	if (!wp_verify_nonce($_POST['nonce'] ?? '', 'yatra_geocoding_nonce')) {
35	wp_send_json_error(['message' => 'Security check failed']);
36	return;
37	}
38
39	$query = sanitize_text_field($_POST['query'] ?? '');
40	$limit = intval($_POST['limit'] ?? 5);
41
42	if (empty($query) \|\| strlen($query) < 2) {
43	wp_send_json_error(['message' => 'Query too short']);
44	return;
45	}
46
47	// Rate limiting - check if user has made too many requests
48	$user_ip = $_SERVER['REMOTE_ADDR'];
49	$cache_key = 'yatra_geocoding_' . md5($user_ip);
50	$request_count = get_transient($cache_key);
51
52	if ($request_count === false) {
53	// First request, set counter
54	set_transient($cache_key, 1, 60); // 1 minute window
55	} elseif ($request_count >= 10) {
56	// Too many requests
57	wp_send_json_error(['message' => 'Too many requests. Please wait a moment.']);
58	return;
59	} else {
60	// Increment counter
61	set_transient($cache_key, $request_count + 1, 60);
62	}
63
64	$resultCacheKey = $this->geocodingRepository->cacheKeySearch($query, $limit);
65	$cached = $this->geocodingRepository->getPayload($resultCacheKey);
66	if (is_array($cached)) {
67	wp_send_json_success(['results' => $cached]);
68	return;
69	}
70
71	$url = add_query_arg([
72	'format' => 'json',
73	'q' => $query,
74	'limit' => $limit,
75	'addressdetails' => 1,
76	'accept-language' => 'en-US,en;q=0.9',
77	'countrycodes' => 'id,np,us,gb,fr,de,it,es,au,nz',
78	], 'https://nominatim.openstreetmap.org/search');
79
80	$response = wp_remote_get($url, [
81	'timeout' => 10,
82	'user-agent' => 'Yatra Travel Plugin (https://wpyatra.com/)',
83	'headers' => [
84	'Accept' => 'application/json',
85	],
86	]);
87
88	if (is_wp_error($response)) {
89	wp_send_json_error(['message' => 'Search failed. Please try again.']);
90	return;
91	}
92
93	$body = wp_remote_retrieve_body($response);
94	$data = json_decode($body, true);
95	if (!is_array($data) \|\| empty($data)) {
96	wp_send_json_success(['results' => []]);
97	return;
98	}
99
100	$this->geocodingRepository->setPayload($resultCacheKey, $data, 300);
101
102	wp_send_json_success(['results' => $data]);
103	}
104
105	/**
106	* Reverse geocode coordinates to get location name
107	*/
108	public function reverseGeocode(): void
109	{
110	// Verify nonce
111	if (!wp_verify_nonce($_POST['nonce'] ?? '', 'yatra_geocoding_nonce')) {
112	wp_send_json_error(['message' => 'Security check failed']);
113	return;
114	}
115
116	$lat = floatval($_POST['lat'] ?? 0);
117	$lng = floatval($_POST['lng'] ?? 0);
118
119	if ($lat === 0 \|\| $lng === 0) {
120	wp_send_json_error(['message' => 'Invalid coordinates']);
121	return;
122	}
123
124	$resultCacheKey = $this->geocodingRepository->cacheKeyReverse($lat, $lng);
125	$cached = $this->geocodingRepository->getPayload($resultCacheKey);
126	if (is_array($cached)) {
127	wp_send_json_success(['result' => $cached]);
128	return;
129	}
130
131	$url = add_query_arg([
132	'format' => 'json',
133	'lat' => $lat,
134	'lon' => $lng,
135	'zoom' => 18,
136	'addressdetails' => 1,
137	'accept-language' => 'en-US,en;q=0.9',
138	], 'https://nominatim.openstreetmap.org/reverse');
139
140	$response = wp_remote_get($url, [
141	'timeout' => 10,
142	'user-agent' => 'Yatra Travel Plugin (https://wpyatra.com/)',
143	'headers' => [
144	'Accept' => 'application/json',
145	],
146	]);
147
148	if (is_wp_error($response)) {
149	wp_send_json_error(['message' => 'Reverse geocoding failed']);
150	return;
151	}
152
153	$body = wp_remote_retrieve_body($response);
154	$data = json_decode($body, true);
155	if (!is_array($data)) {
156	wp_send_json_error(['message' => 'Reverse geocoding failed']);
157	return;
158	}
159
160	$this->geocodingRepository->setPayload($resultCacheKey, $data, 600);
161
162	wp_send_json_success(['result' => $data]);
163	}
164	}
165