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

validate-api-key.php in Translate and Go multilingual – Automatic AI translation – wpLingua 1.0.4, at inc/api-call/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	* - api_key : the API key of website
22	* - version : API compatile version
23	*
24	* ---------------------------------------------------
25	* Data received if successful :
26	* ---------------------------------------------------
27	* - language_original : A language ID
28	* - languages_target : An array of languages ID
29	* - features : Array of allowed API features
30	*
31	* ---------------------------------------------------
32	* Data received in case of failure
33	* ---------------------------------------------------
34	* - error : true
35	* - code : An integer
36	* - message : Error description
37	*
38	* @param string $api_key
39	* @return array
40	*/
41	function wplng_api_call_validate_api_key( $api_key = '' ) {
42
43	/**
44	* Get and check the API key
45	*/
46
47	if ( empty( $api_key ) ) {
48
49	$api_key = wplng_get_api_key();
50
51	if ( empty( $api_key ) ) {
52	return array();
53	}
54	}
55
56	if ( ! wplng_is_valid_api_key_format( $api_key ) ) {
57	return array();
58	}
59
60	/**
61	* Get the API call
62	*/
63
64	$body = array(
65	'request' => 'api_key',
66	'version' => WPLNG_API_VERSION,
67	'api_key' => $api_key,
68	);
69
70	$args = array(
71	'method' => 'POST',
72	'timeout' => 5,
73	'sslverify' => WPLNG_API_SSLVERIFY,
74	'body' => $body,
75	);
76
77	$request = wp_remote_post(
78	WPLNG_API_URL . '/app/',
79	$args
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	// Make the checked response
147
148	$response_checked = array(
149	'language_original' => sanitize_key( $response['language_original'] ),
150	'languages_target' => $languages_target,
151	'features' => $features,
152	);
153
154	} elseif ( isset( $response['error'] )
155	&& ( true === $response['error'] )
156	&& isset( $response['code'] )
157	&& is_int( $response['code'] )
158	&& isset( $response['message'] )
159	&& is_string( $response['message'] )
160	) {
161
162	/**
163	* API returning a valid error
164	*/
165
166	$error_message = __( 'Code', 'wplingua' ) . ' ';
167	$error_message = $response['code'] . ' - ';
168	$error_message .= $response['message'];
169
170	set_transient(
171	'wplng_api_key_error',
172	$error_message,
173	60 * 5
174	);
175
176	} else {
177
178	/**
179	* API returned an unexpected response
180	*/
181
182	set_transient(
183	'wplng_api_key_error',
184	__( 'API returned an unexpected response.', 'wplingua' ),
185	60 * 5
186	);
187
188	}
189
190	return $response_checked;
191	}
192