ajax-functions.php — GiveWP – Donation Plugin and Fundraising Platform 2.4.3

give / includes / ajax-functions.php

give / includes Last commit date

ajax-functions.php

786 lines

1	<?php
2	/**
3	* AJAX Functions
4	*
5	* Process the front-end AJAX actions.
6	*
7	* @package Give
8	* @subpackage Functions/AJAX
9	* @copyright Copyright (c) 2016, GiveWP
10	* @license https://opensource.org/licenses/gpl-license GNU Public License
11	* @since 1.0
12	*/
13
14	// Exit if accessed directly.
15	if ( ! defined( 'ABSPATH' ) ) {
16	exit;
17	}
18
19	/**
20	* Check if AJAX works as expected
21	* Note: Do not use this function before init hook.
22	*
23	* @since 1.0
24	*
25	* @param bool $force Flag to test ajax by discarding cache result
26	*
27	* @return bool True if AJAX works, false otherwise
28	*/
29	function give_test_ajax_works( $force = false ) {
30	// Handle ajax.
31	if ( doing_action( 'wp_ajax_nopriv_give_test_ajax' ) ) {
32	wp_die( 0, 200 );
33	}
34
35	// Check if the Airplane Mode plugin is installed.
36	if ( class_exists( 'Airplane_Mode_Core' ) ) {
37
38	$airplane = Airplane_Mode_Core::getInstance();
39
40	if ( method_exists( $airplane, 'enabled' ) ) {
41
42	if ( $airplane->enabled() ) {
43	return true;
44	}
45	} else {
46
47	if ( 'on' === $airplane->check_status() ) {
48	return true;
49	}
50	}
51	}
52
53	add_filter( 'block_local_requests', '__return_false' );
54
55	$works = Give_Cache::get( '_give_ajax_works', true );
56
57	if ( ! $works \|\| $force ) {
58	$params = array(
59	'sslverify' => false,
60	'timeout' => 30,
61	'body' => array(
62	'action' => 'give_test_ajax',
63	),
64	);
65
66	$ajax = wp_remote_post( give_get_ajax_url(), $params );
67
68	$works = true;
69
70	if ( is_wp_error( $ajax ) ) {
71
72	$works = false;
73
74	} else {
75
76	if ( empty( $ajax['response'] ) ) {
77	$works = false;
78	}
79
80	if ( empty( $ajax['response']['code'] ) \|\| 200 !== (int) $ajax['response']['code'] ) {
81	$works = false;
82	}
83
84	if ( empty( $ajax['response']['message'] ) \|\| 'OK' !== $ajax['response']['message'] ) {
85	$works = false;
86	}
87
88	if ( ! isset( $ajax['body'] ) \|\| 0 !== (int) $ajax['body'] ) {
89	$works = false;
90	}
91	}
92
93	if ( $works ) {
94	Give_Cache::set( '_give_ajax_works', '1', DAY_IN_SECONDS, true );
95	}
96	}
97
98	/**
99	* Filter the output
100	*
101	* @since 1.0
102	*/
103	return apply_filters( 'give_test_ajax_works', $works );
104	}
105
106	add_action( 'wp_ajax_nopriv_give_test_ajax', 'give_test_ajax_works' );
107
108	/**
109	* Get AJAX URL
110	*
111	* @since 1.0
112	*
113	* @param array $query
114	*
115	* @return string
116	*/
117	function give_get_ajax_url( $query = array() ) {
118	$scheme = defined( 'FORCE_SSL_ADMIN' ) && FORCE_SSL_ADMIN ? 'https' : 'admin';
119
120	$current_url = give_get_current_page_url();
121	$ajax_url = admin_url( 'admin-ajax.php', $scheme );
122
123	if ( preg_match( '/^https/', $current_url ) && ! preg_match( '/^https/', $ajax_url ) ) {
124	$ajax_url = preg_replace( '/^http/', 'https', $ajax_url );
125	}
126
127	if ( ! empty( $query ) ) {
128	$ajax_url = add_query_arg( $query, $ajax_url );
129	}
130
131	return apply_filters( 'give_ajax_url', $ajax_url );
132	}
133
134	/**
135	* Loads Checkout Login Fields via AJAX
136	*
137	* @since 1.0
138	*
139	* @return void
140	*/
141	function give_load_checkout_login_fields() {
142	/**
143	* Fire when render login fields via ajax.
144	*
145	* @since 1.7
146	*/
147	do_action( 'give_donation_form_login_fields' );
148
149	give_die();
150	}
151
152	add_action( 'wp_ajax_nopriv_give_checkout_login', 'give_load_checkout_login_fields' );
153
154	/**
155	* Load Checkout Fields
156	*
157	* @since 1.3.6
158	*
159	* @return void
160	*/
161	function give_load_checkout_fields() {
162	$form_id = isset( $_POST['form_id'] ) ? $_POST['form_id'] : '';
163
164	ob_start();
165
166	/**
167	* Fire to render registration/login form.
168	*
169	* @since 1.7
170	*/
171	do_action( 'give_donation_form_register_login_fields', $form_id );
172
173	$fields = ob_get_clean();
174
175	wp_send_json( array(
176	'fields' => wp_json_encode( $fields ),
177	'submit' => wp_json_encode( give_get_donation_form_submit_button( $form_id ) ),
178	) );
179	}
180
181	add_action( 'wp_ajax_nopriv_give_cancel_login', 'give_load_checkout_fields' );
182	add_action( 'wp_ajax_nopriv_give_checkout_register', 'give_load_checkout_fields' );
183
184	/**
185	* Get Form Title via AJAX (used only in WordPress Admin)
186	*
187	* @since 1.0
188	*
189	* @return void
190	*/
191	function give_ajax_get_form_title() {
192	if ( isset( $_POST['form_id'] ) ) {
193	$title = get_the_title( $_POST['form_id'] );
194	if ( $title ) {
195	echo $title;
196	} else {
197	echo 'fail';
198	}
199	}
200	give_die();
201	}
202
203	add_action( 'wp_ajax_give_get_form_title', 'give_ajax_get_form_title' );
204	add_action( 'wp_ajax_nopriv_give_get_form_title', 'give_ajax_get_form_title' );
205
206	/**
207	* Retrieve a states drop down
208	*
209	* @since 1.0
210	*
211	* @return void
212	*/
213	function give_ajax_get_states_field() {
214	$states_found = false;
215	$show_field = true;
216	$states_require = true;
217	// Get the Country code from the $_POST.
218	$country = sanitize_text_field( $_POST['country'] );
219
220	// Get the field name from the $_POST.
221	$field_name = sanitize_text_field( $_POST['field_name'] );
222
223	$label = __( 'State', 'give' );
224	$states_label = give_get_states_label();
225
226	$default_state = '';
227	if ( give_get_country() === $country ) {
228	$default_state = give_get_state();
229	}
230
231	// Check if $country code exists in the array key for states label.
232	if ( array_key_exists( $country, $states_label ) ) {
233	$label = $states_label[ $country ];
234	}
235
236	if ( empty( $country ) ) {
237	$country = give_get_country();
238	}
239
240	$states = give_get_states( $country );
241	if ( ! empty( $states ) ) {
242	$args = array(
243	'name' => $field_name,
244	'id' => $field_name,
245	'class' => $field_name . ' give-select',
246	'options' => $states,
247	'show_option_all' => false,
248	'show_option_none' => false,
249	'placeholder' => $label,
250	'selected' => $default_state,
251	'autocomplete' => 'address-level1',
252	);
253	$data = Give()->html->select( $args );
254	$states_found = true;
255	} else {
256	$data = 'nostates';
257
258	// Get the country list that does not have any states init.
259	$no_states_country = give_no_states_country_list();
260
261	// Check if $country code exists in the array key.
262	if ( array_key_exists( $country, $no_states_country ) ) {
263	$show_field = false;
264	}
265
266	// Get the country list that does not require states.
267	$states_not_required_country_list = give_states_not_required_country_list();
268
269	// Check if $country code exists in the array key.
270	if ( array_key_exists( $country, $states_not_required_country_list ) ) {
271	$states_require = false;
272	}
273	}
274
275	$response = array(
276	'success' => true,
277	'states_found' => $states_found,
278	'states_label' => $label,
279	'show_field' => $show_field,
280	'states_require' => $states_require,
281	'data' => $data,
282	'default_state' => $default_state,
283	'city_require' => ! array_key_exists( $country, give_city_not_required_country_list() ),
284	);
285	wp_send_json( $response );
286	}
287
288	add_action( 'wp_ajax_give_get_states', 'give_ajax_get_states_field' );
289	add_action( 'wp_ajax_nopriv_give_get_states', 'give_ajax_get_states_field' );
290
291	/**
292	* Retrieve donation forms via AJAX for chosen dropdown search field.
293	*
294	* @since 1.0
295	*
296	* @return void
297	*/
298	function give_ajax_form_search() {
299	$results = array();
300	$search = esc_sql( sanitize_text_field( $_POST['s'] ) );
301
302	$args = array(
303	'post_type' => 'give_forms',
304	's' => $search,
305	'update_post_term_cache' => false,
306	'update_post_meta_cache' => false,
307	'cache_results' => false,
308	'no_found_rows' => true,
309	'post_status' => 'publish',
310	'orderby' => 'title',
311	'order' => 'ASC',
312	'posts_per_page' => empty( $search ) ? 30 : -1,
313	);
314
315	/**
316	* Filter to modify Ajax form search args
317	*
318	* @since 2.1
319	*
320	* @param array $args Query argument for WP_query
321	*
322	* @return array $args Query argument for WP_query
323	*/
324	$args = (array) apply_filters( 'give_ajax_form_search_args', $args );
325
326	// get all the donation form.
327	$query = new WP_Query( $args );
328	if ( $query->have_posts() ) {
329	while ( $query->have_posts() ) {
330	$query->the_post();
331	global $post;
332
333	$results[] = array(
334	'id' => $post->ID,
335	'name' => $post->post_title,
336	);
337	}
338	wp_reset_postdata();
339	}
340
341	/**
342	* Filter to modify Ajax form search result
343	*
344	* @since 2.1
345	*
346	* @param array $results Contain the Donation Form id
347	*
348	* @return array $results Contain the Donation Form id
349	*/
350	$results = (array) apply_filters( 'give_ajax_form_search_responce', $results );
351
352	wp_send_json( $results );
353	}
354
355	add_action( 'wp_ajax_give_form_search', 'give_ajax_form_search' );
356	add_action( 'wp_ajax_nopriv_give_form_search', 'give_ajax_form_search' );
357
358	/**
359	* Search the donors database via Ajax
360	*
361	* @since 1.0
362	*
363	* @return void
364	*/
365	function give_ajax_donor_search() {
366	global $wpdb;
367
368	$search = esc_sql( sanitize_text_field( $_POST['s'] ) );
369	$results = array();
370	if ( ! current_user_can( 'view_give_reports' ) ) {
371	$donors = array();
372	} else {
373	$donors = $wpdb->get_results( "SELECT id,name,email FROM $wpdb->donors WHERE `name` LIKE '%$search%' OR `email` LIKE '%$search%' LIMIT 50" );
374	}
375
376	if ( $donors ) {
377	foreach ( $donors as $donor ) {
378
379	$results[] = array(
380	'id' => $donor->id,
381	'name' => $donor->name . ' (' . $donor->email . ')',
382	);
383	}
384	}
385
386	wp_send_json( $results );
387	}
388
389	add_action( 'wp_ajax_give_donor_search', 'give_ajax_donor_search' );
390
391
392	/**
393	* Searches for users via ajax and returns a list of results
394	*
395	* @since 1.0
396	*
397	* @return void
398	*/
399	function give_ajax_search_users() {
400	$results = array();
401
402	if ( current_user_can( 'manage_give_settings' ) ) {
403
404	$search = esc_sql( sanitize_text_field( $_POST['s'] ) );
405
406	$get_users_args = array(
407	'number' => 9999,
408	'search' => $search . '*',
409	);
410
411	$get_users_args = apply_filters( 'give_search_users_args', $get_users_args );
412
413	$found_users = apply_filters( 'give_ajax_found_users', get_users( $get_users_args ), $search );
414	$results = array();
415
416	if ( $found_users ) {
417
418	foreach ( $found_users as $user ) {
419
420	$results[] = array(
421	'id' => $user->ID,
422	'name' => esc_html( $user->user_login . ' (' . $user->user_email . ')' ),
423	);
424	}
425	}
426	}// End if().
427
428	wp_send_json( $results );
429
430	}
431
432	add_action( 'wp_ajax_give_user_search', 'give_ajax_search_users' );
433
434
435	/**
436	* Queries page by title and returns page ID and title in JSON format.
437	*
438	* Note: this function in for internal use.
439	*
440	* @since 2.1
441	*
442	* @return string
443	*/
444	function give_ajax_pages_search() {
445	$data = array();
446	$args = array(
447	'post_type' => 'page',
448	's' => give_clean( $_POST['s'] ),
449	);
450
451	$query = new WP_Query( $args );
452
453	// Query posts by title.
454	if ( $query->have_posts() ) {
455	while ( $query->have_posts() ) {
456	$query->the_post();
457
458	$data[] = array(
459	'id' => get_the_ID(),
460	'name' => get_the_title(),
461	);
462	}
463	}
464
465	wp_send_json( $data );
466	}
467
468	add_action( 'wp_ajax_give_pages_search', 'give_ajax_pages_search' );
469
470	/**
471	* Retrieve Categories via AJAX for chosen dropdown search field.
472	*
473	* @since 2.1
474	*
475	* @return void
476	*/
477	function give_ajax_categories_search() {
478	$results = array();
479
480	/**
481	* Filter to modify Ajax tags search args
482	*
483	* @since 2.1
484	*
485	* @param array $args argument for get_terms
486	*
487	* @return array $args argument for get_terms
488	*/
489	$args = (array) apply_filters( 'give_forms_categories_dropdown_args', array(
490	'number' => 30,
491	'name__like' => esc_sql( sanitize_text_field( $_POST['s'] ) )
492	) );
493
494	$categories = get_terms( 'give_forms_category', $args );
495
496	foreach ( $categories as $category ) {
497	$results[] = array(
498	'id' => $category->term_id,
499	'name' => $category->name,
500	);
501	}
502
503	/**
504	* Filter to modify Ajax tags search result
505	*
506	* @since 2.1
507	*
508	* @param array $results Contain the categories id and name
509	*
510	* @return array $results Contain the categories id and name
511	*/
512	$results = (array) apply_filters( 'give_forms_categories_dropdown_responce', $results );
513
514	wp_send_json( $results );
515	}
516
517	add_action( 'wp_ajax_give_categories_search', 'give_ajax_categories_search' );
518
519	/**
520	* Retrieve Tags via AJAX for chosen dropdown search field.
521	*
522	* @since 2.1
523	*
524	* @return void
525	*/
526	function give_ajax_tags_search() {
527	$results = array();
528
529	/**
530	* Filter to modify Ajax tags search args
531	*
532	* @since 2.1
533	*
534	* @param array $args argument for get_terms
535	*
536	* @return array $args argument for get_terms
537	*/
538	$args = (array) apply_filters( 'give_forms_tags_dropdown_args', array(
539	'number' => 30,
540	'name__like' => esc_sql( sanitize_text_field( $_POST['s'] ) )
541	) );
542
543	$categories = get_terms( 'give_forms_tag', $args );
544
545	foreach ( $categories as $category ) {
546	$results[] = array(
547	'id' => $category->term_id,
548	'name' => $category->name,
549	);
550	}
551
552	/**
553	* Filter to modify Ajax tags search result
554	*
555	* @since 2.1
556	*
557	* @param array $results Contain the tags id and name
558	*
559	* @return array $results Contain the tags id and name
560	*/
561	$results = (array) apply_filters( 'give_forms_tags_dropdown_responce', $results );
562
563	wp_send_json( $results );
564	}
565
566	add_action( 'wp_ajax_give_tags_search', 'give_ajax_tags_search' );
567
568	/**
569	* Check for Price Variations (Multi-level donation forms)
570	*
571	* @since 1.5
572	*
573	* @return void
574	*/
575	function give_check_for_form_price_variations() {
576
577	if ( ! current_user_can( 'edit_give_forms', get_current_user_id() ) ) {
578	die( '-1' );
579	}
580
581	$form_id = intval( $_POST['form_id'] );
582	$form = get_post( $form_id );
583
584	if ( 'give_forms' !== $form->post_type ) {
585	die( '-2' );
586	}
587
588	if ( give_has_variable_prices( $form_id ) ) {
589	$variable_prices = give_get_variable_prices( $form_id );
590
591	if ( $variable_prices ) {
592	$ajax_response = '<select class="give_price_options_select give-select give-select" name="give_price_option">';
593
594	if ( isset( $_POST['all_prices'] ) ) {
595	$ajax_response .= '<option value="all">' . esc_html__( 'All Levels', 'give' ) . '</option>';
596	}
597
598	foreach ( $variable_prices as $key => $price ) {
599
600	$level_text = ! empty( $price['_give_text'] ) ? esc_html( $price['_give_text'] ) : give_currency_filter( give_format_amount( $price['_give_amount'], array( 'sanitize' => false ) ) );
601
602	$ajax_response .= '<option value="' . esc_attr( $price['_give_id']['level_id'] ) . '">' . $level_text . '</option>';
603	}
604	$ajax_response .= '</select>';
605	echo $ajax_response;
606	}
607	}
608
609	give_die();
610	}
611
612	add_action( 'wp_ajax_give_check_for_form_price_variations', 'give_check_for_form_price_variations' );
613
614
615	/**
616	* Check for Variation Prices HTML (Multi-level donation forms)
617	*
618	* @since 1.6
619	*
620	* @return void
621	*/
622	function give_check_for_form_price_variations_html() {
623	if ( ! current_user_can( 'edit_give_payments', get_current_user_id() ) ) {
624	wp_die();
625	}
626
627	$form_id = ! empty( $_POST['form_id'] ) ? intval( $_POST['form_id'] ) : false;
628	$payment_id = ! empty( $_POST['payment_id'] ) ? intval( $_POST['payment_id'] ) : false;
629	if ( empty( $form_id ) \|\| empty( $payment_id ) ) {
630	wp_die();
631	}
632
633	$form = get_post( $form_id );
634	if ( ! empty( $form->post_type ) && 'give_forms' !== $form->post_type ) {
635	wp_die();
636	}
637
638	if ( ! give_has_variable_prices( $form_id ) \|\| ! $form_id ) {
639	esc_html_e( 'n/a', 'give' );
640	} else {
641	$prices_atts = array();
642	if ( $variable_prices = give_get_variable_prices( $form_id ) ) {
643	foreach ( $variable_prices as $variable_price ) {
644	$prices_atts[ $variable_price['_give_id']['level_id'] ] = give_format_amount( $variable_price['_give_amount'], array( 'sanitize' => false ) );
645	}
646	}
647
648	// Variable price dropdown options.
649	$variable_price_dropdown_option = array(
650	'id' => $form_id,
651	'name' => 'give-variable-price',
652	'chosen' => true,
653	'show_option_all' => '',
654	'show_option_none' => '',
655	'select_atts' => 'data-prices=' . esc_attr( json_encode( $prices_atts ) ),
656	);
657
658	if ( $payment_id ) {
659	// Payment object.
660	$payment = new Give_Payment( $payment_id );
661
662	// Payment meta.
663	$payment_meta = $payment->get_meta();
664	$variable_price_dropdown_option['selected'] = $payment_meta['price_id'];
665	}
666
667	// Render variable prices select tag html.
668	give_get_form_variable_price_dropdown( $variable_price_dropdown_option, true );
669	}
670
671	give_die();
672	}
673
674	add_action( 'wp_ajax_give_check_for_form_price_variations_html', 'give_check_for_form_price_variations_html' );
675
676	/**
677	* Send Confirmation Email For Complete Donation History Access.
678	*
679	* @since 1.8.17
680	*
681	* @return bool
682	*/
683	function give_confirm_email_for_donation_access() {
684
685	// Verify Security using Nonce.
686	if ( ! check_ajax_referer( 'give_ajax_nonce', 'nonce' ) ) {
687	return false;
688	}
689
690	// Bail Out, if email is empty.
691	if ( empty( $_POST['email'] ) ) {
692	return false;
693	}
694
695	$donor = Give()->donors->get_donor_by( 'email', give_clean( $_POST['email'] ) );
696	if ( Give()->email_access->can_send_email( $donor->id ) ) {
697	$return = array();
698	$email_sent = Give()->email_access->send_email( $donor->id, $donor->email );
699
700	if ( ! $email_sent ) {
701	$return['status'] = 'error';
702	$return['message'] = Give()->notices->print_frontend_notice(
703	__( 'Unable to send email. Please try again.', 'give' ),
704	false,
705	'error'
706	);
707	}
708
709	$return['status'] = 'success';
710
711	/**
712	* Filter to modify access mail send notice
713	*
714	* @since 2.1.3
715	*
716	* @param string Send notice message for email access.
717	*
718	* @return string $message Send notice message for email access.
719	*/
720	$message = (string) apply_filters( 'give_email_access_mail_send_notice', __( 'Please check your email and click on the link to access your complete donation history.', 'give' ) );
721
722	$return['message'] = Give()->notices->print_frontend_notice(
723	$message,
724	false,
725	'success'
726	);
727
728
729	} else {
730	$value = Give()->email_access->verify_throttle / 60;
731	$return['status'] = 'error';
732
733	/**
734	* Filter to modify email access exceed notices message.
735	*
736	* @since 2.1.3
737	*
738	* @param string $message email access exceed notices message
739	* @param int $value email access exceed times
740	*
741	* @return string $message email access exceed notices message
742	*/
743	$message = (string) apply_filters(
744	'give_email_access_requests_exceed_notice',
745	sprintf(
746	__( 'Too many access email requests detected. Please wait %s before requesting a new donation history access link.', 'give' ),
747	sprintf( _n( '%s minute', '%s minutes', $value, 'give' ), $value )
748	),
749	$value
750	);
751
752	$return['message'] = Give()->notices->print_frontend_notice(
753	$message,
754	false,
755	'error'
756	);
757	}
758
759	echo json_encode( $return );
760	give_die();
761	}
762
763	add_action( 'wp_ajax_nopriv_give_confirm_email_for_donations_access', 'give_confirm_email_for_donation_access' );
764
765	/**
766	* Render receipt by ajax
767	* Note: only for internal use
768	*
769	* @since 2.2.0
770	*/
771	function __give_get_receipt(){
772
773	$get_data = give_clean( filter_input_array( INPUT_GET ) );
774
775	if( ! isset( $get_data['shortcode_atts'] ) ) {
776	give_die();
777	}
778
779	$atts = (array) json_decode( $get_data['shortcode_atts'] );
780	$data = give_receipt_shortcode( $atts );
781
782	wp_send_json( $data );
783	}
784	add_action( 'wp_ajax_get_receipt', '__give_get_receipt' );
785	add_action( 'wp_ajax_nopriv_get_receipt', '__give_get_receipt' );
786