filters.php — GiveWP – Donation Plugin and Fundraising Platform 2.1.4

give / includes / filters.php

give / includes Last commit date

filters.php

261 lines

1	<?php
2	/**
3	* Front-end Filters
4	*
5	* @package Give
6	* @subpackage Functions
7	* @copyright Copyright (c) 2016, WordImpress
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
18	/**
19	* Add backward compatibility for settings who has disable_ as name prefix.
20	* TODO: Remove this backward compatibility when do not need.
21	*
22	* @since 1.8
23	*
24	* @param array $old_settings Array of settings.
25	* @param array $settings Array of settings.
26	*
27	* @return void
28	*/
29	function give_set_settings_with_disable_prefix( $old_settings, $settings ) {
30	// Bailout.
31	if ( ! function_exists( 'give_v18_renamed_core_settings' ) ) {
32	return;
33	}
34
35	// Get old setting names.
36	$old_settings = array_flip( give_v18_renamed_core_settings() );
37	$update_setting = false;
38
39	foreach ( $settings as $key => $value ) {
40
41	// Check 1. Check if new option is really updated or not.
42	// Check 2. Continue if key is not renamed.
43	if ( ! isset( $old_settings[ $key ] ) ) {
44	continue;
45	}
46
47	// Set old setting.
48	$settings[ $old_settings[ $key ] ] = 'on';
49
50	// Do not need to set old setting if new setting is not set.
51	if (
52	( give_is_setting_enabled( $value ) && ( false !== strpos( $old_settings[ $key ], 'disable_' ) ) )
53	\|\| ( ! give_is_setting_enabled( $value ) && ( false !== strpos( $old_settings[ $key ], 'enable_' ) ) )
54
55	) {
56	unset( $settings[ $old_settings[ $key ] ] );
57	}
58
59	// Tell bot to update setting.
60	$update_setting = true;
61	}
62
63	// Update setting if any old setting set.
64	if ( $update_setting ) {
65	update_option( 'give_settings', $settings );
66	}
67	}
68
69	add_action( 'update_option_give_settings', 'give_set_settings_with_disable_prefix', 10, 2 );
70
71	/**
72	* Check spam through Akismet.
73	*
74	* It will build Akismet query string and call Akismet API.
75	* Akismet response return 'true' for spam donation.
76	*
77	* @since 1.8.14
78	*
79	* @param $spam
80	*
81	* @return bool\|mixed
82	*/
83	function give_akismet( $spam ) {
84
85	// Bail out, If spam.
86	if ( $spam ) {
87	return $spam;
88	}
89
90	// Bail out, if Akismet key not exist.
91	if ( ! give_check_akismet_key() ) {
92	return false;
93	}
94
95	// Build args array.
96	$args = array();
97
98	$args['comment_author'] = isset( $_POST['give_first'] ) ? strip_tags( trim( $_POST['give_first'] ) ) : '';
99	$args['comment_author_email'] = isset( $_POST['give_email'] ) ? $_POST['give_email'] : false;
100	$args['blog'] = get_option( 'home' );
101	$args['blog_lang'] = get_locale();
102	$args['blog_charset'] = get_option( 'blog_charset' );
103	$args['user_ip'] = $_SERVER['REMOTE_ADDR'];
104	$args['user_agent'] = $_SERVER['HTTP_USER_AGENT'];
105	$args['referrer'] = $_SERVER['HTTP_REFERER'];
106	$args['comment_type'] = 'contact-form';
107
108	$ignore = array( 'HTTP_COOKIE', 'HTTP_COOKIE2', 'PHP_AUTH_PW' );
109
110	foreach ( $_SERVER as $key => $value ) {
111	if ( ! in_array( $key, (array) $ignore ) ) {
112	$args["$key"] = $value;
113	}
114	}
115
116	// It will return Akismet spam detect API response.
117	return give_akismet_spam_check( $args );
118
119	}
120
121	add_filter( 'give_spam', 'give_akismet' );
122
123	/**
124	* Check Akismet API Key.
125	*
126	* @since 1.8.14
127	*
128	* @return bool
129	*/
130	function give_check_akismet_key() {
131	if ( is_callable( array( 'Akismet', 'get_api_key' ) ) ) { // Akismet v3.0+
132	return (bool) Akismet::get_api_key();
133	}
134
135	if ( function_exists( 'akismet_get_key' ) ) {
136	return (bool) akismet_get_key();
137	}
138
139	return false;
140	}
141
142	/**
143	* Detect spam through Akismet Comment API.
144	*
145	* @since 1.8.14
146	*
147	* @param array $args
148	*
149	* @return bool\|mixed
150	*/
151	function give_akismet_spam_check( $args ) {
152	global $akismet_api_host, $akismet_api_port;
153
154	$spam = false;
155	$query_string = http_build_query( $args );
156
157	if ( is_callable( array( 'Akismet', 'http_post' ) ) ) { // Akismet v3.0+
158	$response = Akismet::http_post( $query_string, 'comment-check' );
159	} else {
160	$response = akismet_http_post( $query_string, $akismet_api_host,
161	'/1.1/comment-check', $akismet_api_port );
162	}
163
164	// It's spam if response status is true.
165	if ( 'true' === $response[1] ) {
166	$spam = true;
167	}
168
169	// Allow developer to modified Akismet spam detection response.
170	return apply_filters( 'give_akismet_spam_check', $spam, $args );
171	}
172
173	/**
174	* Add support of RIAL code for backward compatibility.
175	* Note: for internal use only
176	*
177	* @since 1.8.17
178	*
179	* @param array $currencies
180	*
181	* @return array
182	*/
183	function give_bc_v1817_iranian_currency_code( $currencies ) {
184	if ( ! give_has_upgrade_completed( 'v1817_update_donation_iranian_currency_code' ) ) {
185	$currencies['RIAL'] = $currencies['IRR'];
186	}
187
188	return $currencies;
189	}
190
191	add_filter( 'give_currencies', 'give_bc_v1817_iranian_currency_code', 0 );
192
193
194	/**
195	* Format right to left supported currency amount.
196	*
197	* @since 1.8.17
198	*
199	* @param $formatted_amount
200	* @param $currency_args
201	* @param $price
202	*
203	* @return string
204	*/
205	function give_format_price_for_right_to_left_supported_currency( $formatted_amount, $currency_args, $price ) {
206	if ( ! give_is_right_to_left_supported_currency( $currency_args['currency_code'] ) ) {
207	return $formatted_amount;
208	}
209
210	$formatted_amount = (
211	'before' === (string) $currency_args['position'] ?
212	'‫' . $price . $currency_args['symbol'] . '‬' :
213	'‪' . $price . $currency_args['symbol'] . '‬'
214	);
215
216	$formatted_amount = $currency_args['decode_currency'] ?
217	html_entity_decode( $formatted_amount, ENT_COMPAT, 'UTF-8' ) :
218	$formatted_amount;
219
220	return $formatted_amount;
221	}
222
223	add_filter( 'give_currency_filter', 'give_format_price_for_right_to_left_supported_currency', 10, 3 );
224
225	/**
226	* Validate active gateway value before returning result.
227	*
228	* @since 2.1.0
229	*
230	* @param $value
231	*
232	* @return array
233	*/
234	function __give_validate_active_gateways( $value ) {
235	$gateways = array_keys( give_get_payment_gateways() );
236	$active_gateways = is_array( $value ) ? array_keys( $value ) : array();
237
238	// Remove deactivated payment gateways.
239	if( ! empty( $active_gateways ) ) {
240	foreach ( $active_gateways as $index => $gateway_id ) {
241	if( ! in_array( $gateway_id, $gateways ) ) {
242	unset( $value[$gateway_id] );
243	}
244	}
245	}
246
247	if ( empty( $value ) ) {
248	/**
249	* Filter the default active gateway
250	*
251	* @since 2.1.0
252	*/
253	$value = apply_filters( 'give_default_active_gateways', array(
254	'manual' => 1,
255	) );
256	}
257
258	return $value;
259	}
260
261	add_filter( 'give_get_option_gateways', '__give_validate_active_gateways', 10, 1 );