learnpress / inc / Ajax / Webhook / WebhooksAjax.php

WebhooksAjax.php in LearnPress – WordPress LMS Plugin for Create and Sell Online Courses 4.4.8, at inc/Ajax/Webhook/WebhooksAjax.php

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1	<?php
2
3	namespace LearnPress\Ajax\Webhook;
4
5	use Exception;
6	use LearnPress\Ajax\AbstractAjax;
7	use LearnPress\Models\Webhook\WebhookModel;
8	use LearnPress\Webhook\WebhookEvents;
9	use LP_Helper;
10	use LP_Settings;
11	use LP_REST_Response;
12	use Throwable;
13
14	defined( 'ABSPATH' ) \|\| exit;
15
16	/**
17	* Handle webhook CRUD requests through lp-load-ajax transport.
18	*/
19	class WebhooksAjax extends AbstractAjax {
20	/**
21	* @var string
22	*/
23	protected static $required_capability = 'manage_options';
24
25	/**
26	* Validate current request and decode JSON payload.
27	*
28	* @return array<string, mixed>
29	* @throws Exception
30	*/
31	public static function check_valid(): array {
32	if ( ! current_user_can( self::$required_capability ) ) {
33	throw new Exception( __( 'You are not allowed to manage webhooks.', 'learnpress' ) );
34	}
35
36	if ( 'yes' !== LP_Settings::get_option( 'enable_webhook_integration', 'no' ) ) {
37	throw new Exception( __( 'Webhook integration is disabled.', 'learnpress' ) );
38	}
39
40	$params = wp_unslash( $_REQUEST['data'] ?? '' );
41	if ( empty( $params ) ) {
42	throw new Exception( __( 'Error: params invalid!', 'learnpress' ) );
43	}
44
45	$params = LP_Helper::json_decode( $params, true );
46	if ( ! is_array( $params ) ) {
47	throw new Exception( __( 'Error: params invalid!', 'learnpress' ) );
48	}
49
50	return $params;
51	}
52
53	/**
54	* Create a webhook.
55	*
56	* @return void
57	*/
58	public static function create_webhook() {
59	$response = new LP_REST_Response();
60
61	try {
62	$data = self::normalize_webhook_payload( self::check_valid() );
63	$webhook = new WebhookModel();
64	$webhook->user_id = get_current_user_id();
65	$webhook->name = $data['name'];
66	$webhook->delivery_url = $data['delivery_url'];
67	$webhook->status = $data['status'];
68	$webhook->events = $data['events'];
69	$webhook->secret = '' !== $data['secret'] ? $data['secret'] : WebhookModel::generate_secret();
70	$webhook->save();
71
72	$response->status = 'success';
73	$response->message = __( 'Webhook created.', 'learnpress' );
74	$response->data = array(
75	'webhook' => $webhook->to_array( true ),
76	);
77	} catch ( Throwable $e ) {
78	$response->status = 'error';
79	$response->message = $e->getMessage();
80	}
81
82	wp_send_json( $response );
83	}
84
85	/**
86	* Update a webhook.
87	*
88	* @return void
89	*/
90	public static function update_webhook() {
91	$response = new LP_REST_Response();
92
93	try {
94	$payload = self::check_valid();
95	$webhook_id = absint( $payload['webhook_id'] ?? 0 );
96	$webhook = WebhookModel::find( $webhook_id );
97	if ( ! $webhook ) {
98	throw new Exception( __( 'Webhook not found.', 'learnpress' ) );
99	}
100
101	$data = self::normalize_webhook_payload( $payload );
102	$webhook->name = $data['name'];
103	$webhook->delivery_url = $data['delivery_url'];
104	$webhook->status = $data['status'];
105	$webhook->events = $data['events'];
106	if ( '' !== $data['secret'] ) {
107	$webhook->secret = $data['secret'];
108	}
109	$webhook->save();
110
111	$response->status = 'success';
112	$response->message = __( 'Webhook updated.', 'learnpress' );
113	$response->data = array(
114	'webhook' => $webhook->to_array(),
115	);
116	} catch ( Throwable $e ) {
117	$response->status = 'error';
118	$response->message = $e->getMessage();
119	}
120
121	wp_send_json( $response );
122	}
123
124	/**
125	* Delete a webhook.
126	*
127	* @return void
128	*/
129	public static function delete_webhook() {
130	$response = new LP_REST_Response();
131
132	try {
133	$payload = self::check_valid();
134	$webhook_id = absint( $payload['webhook_id'] ?? 0 );
135	$webhook = WebhookModel::find( $webhook_id );
136	if ( ! $webhook \|\| ! $webhook->delete() ) {
137	throw new Exception( __( 'Could not delete webhook.', 'learnpress' ) );
138	}
139
140	$response->status = 'success';
141	$response->message = __( 'Webhook deleted.', 'learnpress' );
142	} catch ( Throwable $e ) {
143	$response->status = 'error';
144	$response->message = $e->getMessage();
145	}
146
147	wp_send_json( $response );
148	}
149
150	/**
151	* Regenerate a webhook secret and return it once.
152	*
153	* @return void
154	*/
155	public static function regenerate_webhook_secret() {
156	$response = new LP_REST_Response();
157
158	try {
159	$payload = self::check_valid();
160	$webhook_id = absint( $payload['webhook_id'] ?? 0 );
161	$webhook = WebhookModel::find( $webhook_id );
162	if ( ! $webhook ) {
163	throw new Exception( __( 'Webhook not found.', 'learnpress' ) );
164	}
165
166	$secret = $webhook->regenerate_secret();
167
168	$response->status = 'success';
169	$response->message = __( 'Webhook secret regenerated.', 'learnpress' );
170	$response->data = array(
171	'secret' => $secret,
172	);
173	} catch ( Throwable $e ) {
174	$response->status = 'error';
175	$response->message = $e->getMessage();
176	}
177
178	wp_send_json( $response );
179	}
180
181	/**
182	* Normalize and validate mutable webhook fields.
183	*
184	* @param array<string, mixed> $payload Raw request payload.
185	*
186	* @return array<string, mixed>
187	* @throws Exception
188	*/
189	protected static function normalize_webhook_payload( array $payload ): array {
190	$name = sanitize_text_field( (string) ( $payload['name'] ?? '' ) );
191	$delivery_url = esc_url_raw( (string) ( $payload['delivery_url'] ?? '' ) );
192	$status = sanitize_key( (string) ( $payload['status'] ?? '' ) );
193	$events = is_array( $payload['events'] ?? null ) ? WebhookEvents::sanitize( $payload['events'] ) : array();
194	$secret = (string) ( $payload['secret'] ?? '' );
195	$name_length = function_exists( 'mb_strlen' ) ? mb_strlen( $name ) : strlen( $name );
196	$scheme = wp_parse_url( $delivery_url, PHP_URL_SCHEME );
197
198	if ( '' === $name ) {
199	throw new Exception( __( 'Webhook name is required.', 'learnpress' ) );
200	}
201
202	if ( $name_length > 200 ) {
203	throw new Exception( __( 'Webhook name must not exceed 200 characters.', 'learnpress' ) );
204	}
205
206	if ( ! in_array( $scheme, array( 'http', 'https' ), true ) \|\| ! wp_http_validate_url( $delivery_url ) ) {
207	throw new Exception( __( 'Webhook callback URL is invalid.', 'learnpress' ) );
208	}
209
210	if ( ! in_array( $status, array( WebhookModel::STATUS_ACTIVE, WebhookModel::STATUS_PAUSED ), true ) ) {
211	throw new Exception( __( 'Webhook status is invalid.', 'learnpress' ) );
212	}
213
214	if ( empty( $events ) ) {
215	throw new Exception( __( 'Select at least one webhook event.', 'learnpress' ) );
216	}
217
218	if ( '' !== $secret && ( '' === trim( $secret ) \|\| preg_match( '/[\r\n]/', $secret ) \|\| strlen( $secret ) > 255 ) ) {
219	throw new Exception( __( 'Webhook secret is invalid.', 'learnpress' ) );
220	}
221
222	return array(
223	'name' => $name,
224	'delivery_url' => $delivery_url,
225	'status' => $status,
226	'events' => $events,
227	'secret' => $secret,
228	);
229	}
230	}
231