wplingua / inc / api / validate-api-key.php

validate-api-key.php in Translate and boost SEO – Automatic AI translation – wpLingua 3.0.0, at inc/api/validate-api-key.php

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1	<?php
2
3	// If this file is called directly, abort.
4	if ( ! defined( 'WPINC' ) ) {
5	die;
6	}
7
8
9	/**
10	* Get data from wpLingua API : API key validation
11	*
12	* Return an error message with error code
13	* or return the basic information of the API key
14	*
15	* API terms : https://wplingua.com/terms/
16	*
17	* ---------------------------------------------------
18	* Data sent :
19	* ---------------------------------------------------
20	* - request : 'api_key'
21	* - version : API compatile version
22	* - context : Sends page calling URL
23	* - api_key : the API key of website
24	*
25	* ---------------------------------------------------
26	* Data received if successful :
27	* ---------------------------------------------------
28	* - language_original : A language ID
29	* - languages_target : An array of languages ID
30	* - features : Array of allowed API features
31	* - status : FREE \| PREMIUM \| VIP
32	* - expiration : A date dd/mm/yyyy
33	*
34	* ---------------------------------------------------
35	* Data received in case of failure
36	* ---------------------------------------------------
37	* - error : true
38	* - code : An integer
39	* - message : Error description
40	*
41	* @param string $api_key
42	* @return array
43	*/
44	function wplng_api_call_validate_api_key( $api_key = '' ) {
45
46	/**
47	* Get and check the API key
48	*/
49
50	if ( empty( $api_key ) ) {
51
52	$api_key = wplng_get_api_key();
53
54	if ( empty( $api_key ) ) {
55	return array();
56	}
57	}
58
59	if ( ! wplng_is_valid_api_key_format( $api_key ) ) {
60	return array();
61	}
62
63	/**
64	* Get the API call
65	*/
66
67	$request = wp_remote_post(
68	WPLNG_API_URL . '/app/',
69	array(
70	'method' => 'POST',
71	'timeout' => 5,
72	'sslverify' => WPLNG_API_SSLVERIFY,
73	'body' => array(
74	'request' => 'api_key',
75	'version' => WPLNG_API_VERSION,
76	'context' => wplng_get_context(),
77	'api_key' => $api_key,
78	),
79	)
80	);
81
82	/**
83	* Check if the API call worked
84	*/
85
86	if ( is_wp_error( $request )
87	\|\| wp_remote_retrieve_response_code( $request ) !== 200
88	) {
89	return array();
90	}
91
92	/**
93	* Check and sanitize the API response
94	*/
95
96	$response_checked = array();
97	$response = json_decode(
98	wp_remote_retrieve_body( $request ),
99	true
100	);
101
102	if ( ! empty( $response['language_original'] )
103	&& (
104	wplng_is_valid_language_id( $response['language_original'] )
105	\|\| 'all' === $response['language_original']
106	)
107	&& ! empty( $response['languages_target'] )
108	&& is_array( $response['languages_target'] )
109	&& isset( $response['features'] )
110	&& is_array( $response['features'] )
111	) {
112
113	/**
114	* API returned valid key informations
115	*/
116
117	// Sanitize languages target
118
119	$languages_target = array();
120
121	foreach ( $response['languages_target'] as $id ) {
122
123	if ( ! wplng_is_valid_language_id( $id ) ) {
124	continue;
125	}
126
127	$languages_target[] = sanitize_key( $id );
128	}
129
130	// Sanitize features list
131
132	$features = array();
133
134	foreach ( $response['features'] as $key => $allow ) {
135
136	if ( ! is_string( $key ) \|\| ! is_bool( $allow ) ) {
137	continue;
138	}
139
140	$key = sanitize_key( $key );
141	$allow = ( true === $allow );
142
143	$features[ $key ] = $allow;
144	}
145
146	// Sanitize status
147
148	$status = 'FREE';
149
150	if ( ! empty( $response['status'] )
151	&& (
152	'PREMIUM' === $response['status']
153	\|\| 'VIP' === $response['status']
154	)
155	) {
156	$status = $response['status'];
157	}
158
159	// Sanitize plan
160
161	$plan = 'FREE';
162
163	if ( ! empty( $response['plan'] )
164	&& in_array(
165	$response['plan'],
166	array( 'STARTER', 'PREMIUM', 'VIP STARTER', 'VIP PREMIUM' ),
167	true
168	)
169	) {
170	$plan = $response['plan'];
171	}
172
173	// Make the checked response
174
175	$response_checked = array(
176	'language_original' => sanitize_key( $response['language_original'] ),
177	'languages_target' => $languages_target,
178	'features' => $features,
179	'status' => $status,
180	'plan' => $plan,
181	);
182
183	// Add expiration
184
185	if ( ! empty( $response['expiration'] )
186	&& is_string( $response['expiration'] )
187	) {
188	$response_checked['expiration'] = sanitize_text_field( $response['expiration'] );
189	}
190
191	if ( ! empty( $response['expired'] ) && $response['expired'] === true ) {
192	$response_checked['expired'] = true;
193	}
194	} elseif ( isset( $response['error'] )
195	&& ( true === $response['error'] )
196	&& isset( $response['code'] )
197	&& is_int( $response['code'] )
198	&& isset( $response['message'] )
199	&& is_string( $response['message'] )
200	) {
201
202	/**
203	* API returning a valid error
204	*/
205
206	$error_message = __( 'Code', 'wplingua' ) . ' ';
207	$error_message .= $response['code'] . ' - ';
208	$error_message .= sanitize_text_field( $response['message'] );
209
210	set_transient(
211	'wplng_api_key_error',
212	$error_message,
213	MINUTE_IN_SECONDS * 5
214	);
215
216	if ( isset( $response['disconnect'] )
217	&& true === $response['disconnect']
218	) {
219	delete_option( 'wplng_api_key_data' );
220	delete_option( 'wplng_api_key' );
221	wplng_clear_translations_cache();
222	wplng_clear_slugs_cache();
223	}
224	} else {
225
226	/**
227	* API returned an unexpected response
228	*/
229
230	set_transient(
231	'wplng_api_key_error',
232	__( 'API returned an unexpected response.', 'wplingua' ),
233	MINUTE_IN_SECONDS * 5
234	);
235
236	}
237
238	return $response_checked;
239	}
240