give / includes / gateways / actions.php

actions.php in GiveWP – Donation Plugin and Fundraising Platform 4.16.8.1, at includes/gateways/actions.php

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1	<?php
2	/**
3	* Gateway Actions
4	*
5	* @package Give
6	* @subpackage Gateways
7	* @copyright Copyright (c) 2016, GiveWP
8	* @license https://opensource.org/licenses/gpl-license GNU Public License
9	* @since 1.0
10	*/
11
12	// Exit if accessed directly.
13	if ( ! defined( 'ABSPATH' ) ) {
14	exit;
15	}
16
17	use Give\Helpers\Form\Utils as FormUtils;
18	use Give\Helpers\Frontend\Shortcode as ShortcodeUtils;
19
20	/**
21	* Processes gateway select on checkout. Only for users without ajax / javascript
22	*
23	* @since 1.0
24	*
25	* @param $data
26	*/
27	function give_process_gateway_select( $data ) {
28	if ( isset( $_POST['gateway_submit'] ) ) {
29	wp_redirect( esc_url_raw( add_query_arg( 'payment-mode', $_POST['payment-mode'] ) ) );
30	exit;
31	}
32	}
33
34	add_action( 'give_gateway_select', 'give_process_gateway_select' );
35
36	/**
37	* Loads a payment gateway via AJAX.
38	*
39	* @since 1.0
40	*
41	* @return void
42	*/
43	function give_load_ajax_gateway() {
44
45	$post_data = give_clean( $_POST ); // WPCS: input var ok, CSRF ok.
46
47	if (
48	! isset( $post_data['nonce'] )
49	\|\| ! give_verify_donation_form_nonce( $post_data['nonce'], $post_data['give_form_id'] )
50	) {
51	Give_Notices::print_frontend_notice( __( 'We\'re unable to recognize your session. Please refresh the screen to try again; otherwise contact your website administrator for assistance.', 'give' ), true, 'error' );
52	exit();
53
54	} elseif ( isset( $post_data['give_payment_mode'] ) ) {
55
56	$form_id_prefix = ! empty( $post_data['give_form_id_prefix'] ) ? $post_data['give_form_id_prefix'] : '';
57
58	$args = array(
59	'id_prefix' => $form_id_prefix,
60	);
61
62	/**
63	* Fire to render donation form.
64	*
65	* @since 1.7
66	*/
67	do_action( 'give_donation_form', $post_data['give_form_id'], $args );
68
69	exit();
70	}
71	}
72
73	add_action( 'wp_ajax_give_load_gateway', 'give_load_ajax_gateway' );
74	add_action( 'wp_ajax_nopriv_give_load_gateway', 'give_load_ajax_gateway' );
75
76	/**
77	* Create wp nonce using Ajax call.
78	*
79	* Use give_donation_form_nonce() js fn to create nonce.
80	*
81	* @since 4.16.6 Bail early when the form ID is not a give_forms post or is a Visual Form Builder (v3) form.
82	* @since 2.0
83	*
84	* @return void
85	*/
86	function give_donation_form_nonce() {
87	if ( isset( $_POST['give_form_id'] ) ) {
88
89	// Get donation form id.
90	$form_id = is_numeric( $_POST['give_form_id'] ) ? absint( $_POST['give_form_id'] ) : 0;
91
92	if ( ! ShortcodeUtils::isValidForm( $form_id ) ) {
93	wp_send_json_error( [ 'error' => 'give_invalid_donation_form' ], 400 );
94	}
95
96	// Visual Form Builder (v3) forms use route signatures instead of the legacy nonce endpoint.
97	if ( FormUtils::isV3Form( $form_id ) ) {
98	wp_send_json_error( [ 'error' => 'give_unsupported_form_version' ], 400 );
99	}
100
101	// Send nonce json data.
102	wp_send_json_success( wp_create_nonce( "give_donation_form_nonce_{$form_id}" ) );
103	}
104	}
105
106	add_action( 'wp_ajax_give_donation_form_nonce', 'give_donation_form_nonce' );
107	add_action( 'wp_ajax_nopriv_give_donation_form_nonce', 'give_donation_form_nonce' );
108
109
110	/**
111	* Create all nonce of donation form using Ajax call.
112	* Note: only for internal use
113	*
114	* @since 4.16.6 Bail early when the form ID is not a give_forms post.
115	* @since 4.9.0 rename function - PHP 8 compatibility
116	* @since 2.2.0
117	*
118	* @return void
119	*/
120	function give_donation_form_reset_all_nonce() {
121	if ( isset( $_POST['give_form_id'] ) ) {
122
123	// Get donation form id.
124	$form_id = is_numeric( $_POST['give_form_id'] ) ? absint( $_POST['give_form_id'] ) : 0;
125
126	if ( ! ShortcodeUtils::isValidForm( $form_id ) ) {
127	wp_send_json_error( [ 'error' => 'give_invalid_donation_form' ], 400 );
128	}
129
130	$data = array(
131	'give_form_hash' => wp_create_nonce( "give_donation_form_nonce_{$form_id}" ),
132	'give_form_user_register_hash' => wp_create_nonce( "give_form_create_user_nonce_{$form_id}" ),
133	);
134
135	/**
136	* Filter the ajax request data
137	*
138	* @since 2.2.0
139	*/
140	$data = apply_filters( 'give_donation_form_reset_all_nonce_data', $data );
141
142	// Send nonce json data.
143	wp_send_json_success( $data );
144	}
145
146	wp_send_json_error();
147	}
148
149	add_action( 'wp_ajax_give_donation_form_reset_all_nonce', 'give_donation_form_reset_all_nonce');
150	add_action( 'wp_ajax_nopriv_give_donation_form_reset_all_nonce', 'give_donation_form_reset_all_nonce');
151
152	/**
153	* Sets an error within the donation form if no gateways are enabled.
154	*
155	* @todo: we can deprecate this function in future because gateways will not empty if get via Give API.
156	*
157	* @since 1.0
158	*
159	* @return void
160	*/
161	function give_no_gateway_error() {
162	$gateways = give_get_enabled_payment_gateways();
163
164	if ( empty( $gateways ) ) {
165	give_set_error( 'no_gateways', esc_html__( 'You must enable a payment gateway to use Give.', 'give' ) );
166	} else {
167	give_unset_error( 'no_gateways' );
168	}
169	}
170
171	add_action( 'init', 'give_no_gateway_error' );
172