cartflows / modules / content-generation / class-cartflows-ai-utils.php

class-cartflows-ai-utils.php in CartFlows – Funnel Builder & Checkout Plugin for WooCommerce 3.3.0, at modules/content-generation/class-cartflows-ai-utils.php

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1	<?php
2	/**
3	* AI Initialization.
4	*
5	* @package cartflows
6	*/
7
8	// Exit if accessed directly.
9	if ( ! defined( 'ABSPATH' ) ) {
10	exit;
11	}
12	/**
13	* AI Initialization.
14	*
15	* @since x.x.x
16	*/
17	class CartFlows_Ai_Utils {
18
19	/**
20	* Singleton instance.
21	*
22	* @var self\|null
23	*/
24	private static $instance;
25
26	/**
27	* Initiator
28	*
29	* @return self
30	*/
31	public static function get_instance() {
32	if ( ! isset( self::$instance ) ) {
33	self::$instance = new self();
34	}
35	return self::$instance;
36	}
37
38	/**
39	* Get Credit System API URL.
40	*
41	* @return string API URL.
42	* @since x.x.x
43	*/
44	public static function get_credit_system_api_url() {
45	if ( ! defined( 'CARTFLOWS_CREDIT_SERVER_API' ) ) {
46	define( 'CARTFLOWS_CREDIT_SERVER_API', 'https://credits.startertemplates.com/' );
47	}
48	return trailingslashit( (string) CARTFLOWS_CREDIT_SERVER_API );
49	}
50
51	/**
52	* Get Auth Token.
53	*
54	* @since x.x.x
55	* @return string\|WP_Error
56	*/
57	public function get_auth_token() {
58	$auth_token = $this->get_auth_data( 'user_email' );
59	$token = '';
60
61	if ( ! is_wp_error( $auth_token ) && is_string( $auth_token ) ) {
62	$token = sanitize_text_field( $auth_token );
63	}
64
65	$token = apply_filters( 'cartflows_content_generation_auth_token', $token );
66
67	if ( empty( $token ) \|\| is_wp_error( $token ) ) {
68	return new WP_Error( 'no_auth_token', __( 'No authentication token found. Please connect your account.', 'cartflows' ) );
69	}
70
71	if ( ! is_string( $token ) ) {
72	return new WP_Error( 'invalid_auth_token', __( 'Invalid authentication token format.', 'cartflows' ) );
73	}
74
75	return sanitize_text_field( $token );
76	}
77
78	/**
79	* Send GET request to service.
80	*
81	* @since x.x.x
82	* @param string $route API route.
83	* @param int $timeout Request timeout in seconds.
84	* @return array<string, mixed>\|WP_Error API response or WP_Error.
85	*/
86	public function send_get_request( $route, $timeout = 30 ) {
87	$auth_token = $this->get_auth_token();
88
89	if ( empty( $auth_token ) \|\| is_wp_error( $auth_token ) ) {
90	return new WP_Error( 'no_auth_token', __( 'No authentication token found. Please connect your account.', 'cartflows' ) );
91	}
92
93	$url = $this->build_credit_system_url( $route );
94
95	// phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_encode
96	$encoded_token = base64_encode( $auth_token );
97
98	$args = array(
99	'headers' => array(
100	'X-Token' => $encoded_token,
101	'Content-Type' => 'application/json; charset=utf-8',
102	),
103	'timeout' => $timeout, // phpcs:ignore WordPressVIPMinimum.Performance.RemoteRequestTimeout.timeout_timeout
104	);
105
106	if ( function_exists( 'vip_safe_wp_remote_get' ) ) {
107	// Signature: vip_safe_wp_remote_get( $url, $fallback_value, $threshold, $timeout, $retry, $args ).
108	// $args (with the auth headers) is the 6th argument; the function ignores $args['timeout']
109	// and uses the 4th argument. An empty fallback keeps failures returning a WP_Error.
110	return vip_safe_wp_remote_get( $url, '', 3, $timeout, 20, $args );
111	}
112
113	// phpcs:ignore WordPressVIPMinimum.Functions.RestrictedFunctions.wp_remote_get_wp_remote_get
114	return wp_remote_get( $url, $args );
115	}
116
117	/**
118	* Send API request to service.
119	*
120	* @since x.x.x
121	* @param array<string, mixed> $request_data Request data to send.
122	* @param string $route API route.
123	* @param int $timeout Request timeout in seconds.
124	* @return array<string, mixed>\|WP_Error API response or WP_Error.
125	*/
126	public function send_api_request( $request_data, $route, $timeout = 30 ) {
127	$auth_token = $this->get_auth_token();
128
129	if ( empty( $auth_token ) \|\| is_wp_error( $auth_token ) ) {
130	return new WP_Error( 'no_auth_token', __( 'No authentication token found. Please connect your account.', 'cartflows' ) );
131	}
132
133	$url = $this->build_credit_system_url( $route );
134
135	$body = wp_json_encode( $request_data );
136
137	if ( false === $body ) {
138	return new WP_Error( 'json_encode_error', __( 'Failed to encode request data to JSON.', 'cartflows' ) );
139	}
140
141	// phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_encode
142	$encoded_token = base64_encode( $auth_token );
143
144	return wp_remote_post(
145	$url,
146	array(
147	'headers' => array(
148	'X-Token' => $encoded_token,
149	'Content-Type' => 'application/json; charset=utf-8',
150	),
151	'body' => $body,
152	'timeout' => $timeout, // phpcs:ignore WordPressVIPMinimum.Performance.RemoteRequestTimeout.timeout_timeout
153	)
154	);
155	}
156
157	/**
158	* Get Auth Data.
159	*
160	* @since x.x.x
161	* @param string $key Optional. Key to retrieve specific data.
162	* @return array<string, mixed>\|string\|WP_Error
163	*/
164	protected function get_auth_data( $key = '' ) {
165	$auth_data = get_option( 'cartflows_auth', false );
166
167	if ( empty( $auth_data ) \|\| ! is_array( $auth_data ) ) {
168	return new WP_Error( 'no_auth_data', __( 'No authentication data found.', 'cartflows' ) );
169	}
170
171	if ( ! empty( $key ) && is_string( $key ) ) {
172	$value = $auth_data[ $key ] ?? null;
173	return is_string( $value )
174	? $value
175	: new WP_Error( 'no_key_found', __( 'No data found for the provided key.', 'cartflows' ) );
176	}
177
178	return $auth_data;
179	}
180
181	/**
182	* Build a normalized credit-system endpoint URL.
183	*
184	* @since 1.7.2
185	* @param string $route API route.
186	* @return string
187	*/
188	protected function build_credit_system_url( $route ) {
189	$base = self::get_credit_system_api_url();
190	$route = ltrim( (string) $route, '/' );
191
192	return $base . $route;
193	}
194	}
195