payplug / src / Admin / SetupCallback.php

SetupCallback.php in PayPlug for WooCommerce (Official) trunk, at src/Admin/SetupCallback.php

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1	<?php
2
3	namespace Payplug\PayplugWoocommerce\Admin;
4
5	// Exit if accessed directly
6	if (!defined('ABSPATH')) {
7	exit;
8	}
9
10	use Exception;
11	use Payplug\Payplug;
12	use Payplug\PayplugWoocommerce\Gateway\PayplugGateway;
13	use Payplug\PayplugWoocommerce\Traits\GatewayGetter;
14	use Payplug\PayplugWoocommerce\Traits\ServiceGetter;
15
16	/**
17	* PayPlug Setup Callback Handler
18	* Handles the callback after a user has been authenticated on the PayPlug Portal
19	*/
20	class SetupCallback
21	{
22	use ServiceGetter;
23	use GatewayGetter;
24
25	/**
26	* Initialize the handler
27	*/
28	public function __construct()
29	{
30	add_action('admin_init', [$this, 'handle_setup_callback'], 5);
31	add_action('admin_init', [$this, 'handle_oauth_callback'], 5);
32	}
33
34	/**
35	* Handle the setup callback from PayPlug Portal
36	*/
37	public function handle_setup_callback(): void
38	{
39	// Check if we're on the PayPlug settings page
40	if (!$this->is_payplug_settings_page()) {
41	return;
42	}
43
44	// Check if we have the client_id and company_id parameters
45	if (isset($_GET['client_id']) && isset($_GET['company_id'])) {
46	$client_id = sanitize_text_field($_GET['client_id']);
47	$company_id = sanitize_text_field($_GET['company_id']);
48	$this
49	->get_gateway('account')
50	->initialize_jwt($client_id, $company_id);
51	}
52
53	// Display success message if setup was successful
54	if (isset($_GET['setup_success']) && $_GET['setup_success'] == '1') {
55	add_action('admin_notices', function (): void {
56	echo '<div class="notice notice-success is-dismissible">' .
57	'<p>' . esc_html__('PayPlug account successfully connected!', 'payplug') . '</p>' .
58	'</div>';
59	});
60	}
61
62	// Display error message if setup failed
63	if (isset($_GET['setup_error'])) {
64	add_action('admin_notices', function (): void {
65	$error_type = sanitize_text_field($_GET['setup_error']);
66	$error_message = '';
67
68	switch ($error_type) {
69	case 'oauth_init':
70	$error_message = __('Failed to initiate OAuth authentication. Please try again.', 'payplug');
71	break;
72	case 'token_exchange':
73	$error_message = __('Failed to exchange authorization code for access token.', 'payplug');
74	break;
75	default:
76	$error_message = __('An error occurred during authentication.', 'payplug');
77	}
78
79	echo '<div class="notice notice-error is-dismissible">' .
80	'<p>' . esc_html($error_message) . '</p>' .
81	'</div>';
82	});
83	}
84	}
85
86	/**
87	* Handle the OAuth callback
88	*/
89	public function handle_oauth_callback(): void
90	{
91	// Only handle the callback when we're on the PayPlug settings page — prevents
92	// intercepting OAuth callbacks from other plugins (e.g. Google Site Kit) that
93	// also use a ?code= parameter on wp-admin pages.
94	if (!$this->is_payplug_settings_page() \|\| !current_user_can('manage_woocommerce')) {
95	return;
96	}
97
98	$account_gateway = $this->get_gateway('account');
99	if (!isset($_GET['code'])) {
100	return;
101	}
102
103	// Bail if no OAuth flow was initiated by PayPlug (missing stored verifier).
104	if (empty($this->get_configuration()->get_option('oauth_code_verifier'))) {
105	return;
106	}
107	$register_jwt = false;
108
109	try {
110	$authorization_code = sanitize_text_field($_GET['code']);
111	$register_jwt = $account_gateway->register_jwt((string) $authorization_code);
112	if ($register_jwt) {
113	PayplugGateway::log('Successfully obtained and stored access token');
114	}
115	} catch (Exception $e) {
116	PayplugGateway::log(sprintf('Token exchange error: %s', $e->getMessage()), 'error');
117	}
118
119	if (!$register_jwt) {
120	$this->get_configuration()->clean_option();
121	}
122
123	// Redirect to success page
124	wp_safe_redirect(admin_url('admin.php?page=wc-settings&tab=checkout&section=payplug'));
125	exit;
126	}
127
128	/**
129	* Check if we're on the PayPlug settings page
130	*/
131	private function is_payplug_settings_page()
132	{
133	return is_admin() &&
134	isset($_GET['page']) && $_GET['page'] === 'wc-settings' &&
135	isset($_GET['tab']) && $_GET['tab'] === 'checkout' &&
136	isset($_GET['section']) && $_GET['section'] === 'payplug';
137	}
138	}
139