ajax-functions.php — GiveWP – Donation Plugin and Fundraising Platform 2.2.2

give / includes / ajax-functions.php

give / includes Last commit date

ajax-functions.php

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