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

class-cartflows-ai-utils.php in CartFlows – Funnel Builder & Checkout Plugin for WooCommerce 3.2.0, 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 $instance;
25
26	/**
27	* Initiator
28	*/
29	public static function get_instance() {
30	if ( ! isset( self::$instance ) ) {
31	self::$instance = new self();
32	}
33	return self::$instance;
34	}
35
36	/**
37	* Get Credit System API URL.
38	*
39	* @return string API URL.
40	* @since x.x.x
41	*/
42	public static function get_credit_system_api_url() {
43	if ( ! defined( 'CARTFLOWS_CREDIT_SERVER_API' ) ) {
44	define( 'CARTFLOWS_CREDIT_SERVER_API', 'https://credits.startertemplates.com/' );
45	}
46	return trailingslashit( (string) CARTFLOWS_CREDIT_SERVER_API );
47	}
48
49	/**
50	* Get Auth Token.
51	*
52	* @since x.x.x
53	* @return string\|WP_Error
54	*/
55	public function get_auth_token() {
56	$auth_token = $this->get_auth_data( 'user_email' );
57	$token = '';
58
59	if ( ! is_wp_error( $auth_token ) && is_string( $auth_token ) ) {
60	$token = sanitize_text_field( $auth_token );
61	}
62
63	$token = apply_filters( 'cartflows_content_generation_auth_token', $token );
64
65	if ( empty( $token ) \|\| is_wp_error( $token ) ) {
66	return new WP_Error( 'no_auth_token', __( 'No authentication token found. Please connect your account.', 'cartflows' ) );
67	}
68
69	if ( ! is_string( $token ) ) {
70	return new WP_Error( 'invalid_auth_token', __( 'Invalid authentication token format.', 'cartflows' ) );
71	}
72
73	return sanitize_text_field( $token );
74	}
75
76	/**
77	* Send GET request to service.
78	*
79	* @since x.x.x
80	* @param string $route API route.
81	* @param int $timeout Request timeout in seconds.
82	* @return array<string, mixed>\|WP_Error API response or WP_Error.
83	*/
84	public function send_get_request( $route, $timeout = 30 ) {
85	$auth_token = $this->get_auth_token();
86
87	if ( empty( $auth_token ) \|\| is_wp_error( $auth_token ) ) {
88	return new WP_Error( 'no_auth_token', __( 'No authentication token found. Please connect your account.', 'cartflows' ) );
89	}
90
91	$url = $this->build_credit_system_url( $route );
92
93	// phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_encode
94	$encoded_token = base64_encode( $auth_token );
95
96	$args = array(
97	'headers' => array(
98	'X-Token' => $encoded_token,
99	'Content-Type' => 'application/json; charset=utf-8',
100	),
101	'timeout' => $timeout, // phpcs:ignore WordPressVIPMinimum.Performance.RemoteRequestTimeout.timeout_timeout
102	);
103
104	if ( function_exists( 'vip_safe_wp_remote_get' ) ) {
105	// Signature: vip_safe_wp_remote_get( $url, $fallback_value, $threshold, $timeout, $retry, $args ).
106	// $args (with the auth headers) is the 6th argument; the function ignores $args['timeout']
107	// and uses the 4th argument. An empty fallback keeps failures returning a WP_Error.
108	return vip_safe_wp_remote_get( $url, '', 3, $timeout, 20, $args );
109	}
110
111	// phpcs:ignore WordPressVIPMinimum.Functions.RestrictedFunctions.wp_remote_get_wp_remote_get
112	return wp_remote_get( $url, $args );
113	}
114
115	/**
116	* Send API request to service.
117	*
118	* @since x.x.x
119	* @param array<string, mixed> $request_data Request data to send.
120	* @param string $route API route.
121	* @param int $timeout Request timeout in seconds.
122	* @return array<string, mixed>\|WP_Error API response or WP_Error.
123	*/
124	public function send_api_request( $request_data, $route, $timeout = 30 ) {
125	$auth_token = $this->get_auth_token();
126
127	if ( empty( $auth_token ) \|\| is_wp_error( $auth_token ) ) {
128	return new WP_Error( 'no_auth_token', __( 'No authentication token found. Please connect your account.', 'cartflows' ) );
129	}
130
131	$url = $this->build_credit_system_url( $route );
132
133	$body = wp_json_encode( $request_data );
134
135	if ( false === $body ) {
136	return new WP_Error( 'json_encode_error', __( 'Failed to encode request data to JSON.', 'cartflows' ) );
137	}
138
139	// phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_encode
140	$encoded_token = base64_encode( $auth_token );
141
142	return wp_remote_post(
143	$url,
144	array(
145	'headers' => array(
146	'X-Token' => $encoded_token,
147	'Content-Type' => 'application/json; charset=utf-8',
148	),
149	'body' => $body,
150	'timeout' => $timeout, // phpcs:ignore WordPressVIPMinimum.Performance.RemoteRequestTimeout.timeout_timeout
151	)
152	);
153	}
154
155	/**
156	* Get Auth Data.
157	*
158	* @since x.x.x
159	* @param string $key Optional. Key to retrieve specific data.
160	* @return array<string, mixed>\|string\|WP_Error
161	*/
162	protected function get_auth_data( $key = '' ) {
163	$auth_data = get_option( 'cartflows_auth', false );
164
165	if ( empty( $auth_data ) ) {
166	return new WP_Error( 'no_auth_data', __( 'No authentication data found.', 'cartflows' ) );
167	}
168
169	if ( ! empty( $key ) && is_string( $key ) ) {
170	return $auth_data[ $key ] ?? new WP_Error( 'no_key_found', __( 'No data found for the provided key.', 'cartflows' ) );
171	}
172
173	return $auth_data;
174	}
175
176	/**
177	* Build a normalized credit-system endpoint URL.
178	*
179	* @since 1.7.2
180	* @param string $route API route.
181	* @return string
182	*/
183	protected function build_credit_system_url( $route ) {
184	$base = self::get_credit_system_api_url();
185	$route = ltrim( (string) $route, '/' );
186
187	return $base . $route;
188	}
189	}
190