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<?php
use Give\Log\Log;
use Give\Framework\Database\DB;
use Give\Log\ValueObjects\LogType;
/**
* Front-end Filters
*
* @package Give
* @subpackage Functions
* @copyright Copyright (c) 2016, GiveWP
* @license https://opensource.org/licenses/gpl-license GNU Public License
* @since 1.0
*/
// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Add backward compatibility for settings who has disable_ as name prefix.
* TODO: Remove this backward compatibility when do not need.
*
* @since 1.8
*
* @param array $old_settings Array of settings.
* @param array $settings Array of settings.
*
* @return void
*/
function give_set_settings_with_disable_prefix( $old_settings, $settings ) {
// Bailout.
if ( ! function_exists( 'give_v18_renamed_core_settings' ) ) {
return;
}
// Get old setting names.
$old_settings = array_flip( give_v18_renamed_core_settings() );
$update_setting = false;
foreach ( $settings as $key => $value ) {
// Check 1. Check if new option is really updated or not.
// Check 2. Continue if key is not renamed.
if ( ! isset( $old_settings[ $key ] ) ) {
continue;
}
// Set old setting.
$settings[ $old_settings[ $key ] ] = 'on';
// Do not need to set old setting if new setting is not set.
if (
( give_is_setting_enabled( $value ) && ( false !== strpos( $old_settings[ $key ], 'disable_' ) ) )
|| ( ! give_is_setting_enabled( $value ) && ( false !== strpos( $old_settings[ $key ], 'enable_' ) ) )
) {
unset( $settings[ $old_settings[ $key ] ] );
}
// Tell bot to update setting.
$update_setting = true;
}
// Update setting if any old setting set.
if ( $update_setting ) {
update_option( 'give_settings', $settings, false );
}
}
add_action( 'update_option_give_settings', 'give_set_settings_with_disable_prefix', 10, 2 );
/**
* Check spam through Akismet.
*
* It will build Akismet query string and call Akismet API.
* Akismet response return 'true' for spam donation.
*
* @since 1.8.14
*
* @param $spam
*
* @return bool|mixed
*/
function give_akismet( $spam ) {
// Build args array.
$args = [];
// Bail out, If spam.
if ( $spam || ! give_is_setting_enabled( give_get_option( 'akismet_spam_protection' ) ) ) {
return $spam;
}
// Bail out, if Akismet key not exist.
if ( ! give_check_akismet_key() ) {
return false;
}
$args['comment_author_email'] = isset( $_POST['give_email'] ) ? sanitize_email( $_POST['give_email'] ) : false;
/**
* Filter list of whitelisted emails
*
* @since 2.5.14
*
* @param array
*/
$whitelist_emails = apply_filters( 'give_akismet_whitelist_emails', give_akismet_get_whitelisted_emails() );
// Whitelist emails.
if ( in_array( $args['comment_author_email'], (array) $whitelist_emails, true ) ) {
return false;
}
$args['comment_author'] = isset( $_POST['give_first'] ) ? give_clean( $_POST['give_first'] ) : '';
$args['blog'] = get_option( 'home' );
$args['blog_lang'] = get_locale();
$args['blog_charset'] = get_option( 'blog_charset' );
$args['user_ip'] = $_SERVER['REMOTE_ADDR'];
$args['user_agent'] = $_SERVER['HTTP_USER_AGENT'];
$args['referrer'] = $_SERVER['HTTP_REFERER'];
$args['comment_type'] = 'contact-form';
$form_id = isset( $_POST['give-form-id'] ) ? absint( $_POST['give-form-id'] ) : 0;
$donor_last_name = ! empty( $_POST['give_last'] ) ? ' ' . give_clean( $_POST['give_last'] ) : '';
// Pass Donor comment if enabled.
if ( give_is_donor_comment_field_enabled( $form_id ) ) {
$give_comment = isset( $_POST['give_comment'] ) ? give_clean( $_POST['give_comment'] ) : '';
$args['comment_content'] = $give_comment;
}
$ignore = [ 'HTTP_COOKIE', 'HTTP_COOKIE2', 'PHP_AUTH_PW' ];
foreach ( $_SERVER as $key => $value ) {
if ( ! in_array( $key, $ignore, true ) ) {
$args[ $key ] = $value;
}
}
$response = give_akismet_spam_check_post( $args );
$spam = 'true' === $response[1];
// Log spam information.
if ( $spam && ! give_akismet_is_email_logged( $args['comment_author_email'] ) ) {
$title = sprintf(
'This donor\'s email (%1$s%2$s - %3$s) has been flagged as SPAM',
$args['comment_author'],
$donor_last_name,
$args['comment_author_email']
);
$message = sprintf(
'<p><strong>%1$s</strong><pre>%2$s</pre></p><strong>%3$s</strong><pre>%4$s</pre><p>',
__( 'Request', 'give' ),
print_r( $args, true ),
__( 'Response', 'give' ),
print_r( $response, true )
);
$context = [
'donor_email' => $args['comment_author_email'],
'filter' => 'akismet',
'message' => $message,
];
Log::spam( $title, $context );
}
// It will return Akismet spam detect API response.
return $spam;
}
add_filter( 'give_spam', 'give_akismet' );
/**
* Check Akismet API Key.
*
* @since 1.8.14
*
* @return bool
*/
function give_check_akismet_key() {
if ( is_callable( [ 'Akismet', 'get_api_key' ] ) ) { // Akismet v3.0+
return (bool) Akismet::get_api_key();
}
if ( function_exists( 'akismet_get_key' ) ) {
return (bool) akismet_get_key();
}
return false;
}
/**
* Detect spam through Akismet Comment API.
*
* @param array $args
*
* @return bool|mixed
* @since 1.8.14
* @since 2.3.15 Refactor function to use give_akismet_spam_check_post
*/
function give_akismet_spam_check( $args ) {
$response = give_akismet_spam_check_post( $args );
// It's spam if response status is true.
$spam = 'true' === $response[1];
// Allow developer to modified Akismet spam detection response.
return apply_filters( 'give_akismet_spam_check', $spam, $args );
}
/**
* Detect spam through Akismet Comment API.
*
* @since 2.5.13
*
* @param array $args
*
* @return array
*/
function give_akismet_spam_check_post( $args ) {
global $akismet_api_host, $akismet_api_port;
$query_string = http_build_query( $args );
if ( is_callable( [ 'Akismet', 'http_post' ] ) ) { // Akismet v3.0+
$response = Akismet::http_post( $query_string, 'comment-check' );
} else {
$response = akismet_http_post(
$query_string,
$akismet_api_host,
'/1.1/comment-check',
$akismet_api_port
);
}
return $response;
}
/**
* Check if email already logged or not
*
* @param $email
*
* @return bool
* @since 2.5.13
*/
function give_akismet_is_email_logged( $email ) {
global $wpdb;
return (bool) DB::get_var(
DB::prepare(
"SELECT COUNT(id) FROM {$wpdb->give_log} WHERE log_type = %s AND data LIKE '%s';",
LogType::SPAM,
'%' . esc_sql( $email ) . '%'
)
);
}
/**
* Get list of whitelisted emails.
*
* @return array
* @since 2.5.13
*/
function give_akismet_get_whitelisted_emails() {
return give_get_option(
'akismet_whitelisted_email_addresses',
get_bloginfo( 'admin_email' )
);
}
/**
* Add support of RIAL code for backward compatibility.
* Note: for internal use only
*
* @since 1.8.17
*
* @param array $currencies
*
* @return array
*/
function give_bc_v1817_iranian_currency_code( $currencies ) {
$currencies['RIAL'] = $currencies['IRR'];
return $currencies;
}
if ( ! give_has_upgrade_completed( 'v1817_update_donation_iranian_currency_code' ) ) {
add_filter( 'give_currencies', 'give_bc_v1817_iranian_currency_code', 0 );
}
/**
* Format right to left supported currency amount.
*
* @since 1.8.17
*
* @param $formatted_amount
* @param $currency_args
* @param $price
*
* @return string
*/
function give_format_price_for_right_to_left_supported_currency( $formatted_amount, $currency_args, $price ) {
if ( ! give_is_right_to_left_supported_currency( $currency_args['currency_code'] ) ) {
return $formatted_amount;
}
$formatted_amount = (
'before' === (string) $currency_args['position'] ?
'‫' . $price . $currency_args['symbol'] . '‬' :
'‪' . $price . $currency_args['symbol'] . '‬'
);
$formatted_amount = $currency_args['decode_currency'] ?
html_entity_decode( $formatted_amount, ENT_COMPAT, 'UTF-8' ) :
$formatted_amount;
return $formatted_amount;
}
add_filter( 'give_currency_filter', 'give_format_price_for_right_to_left_supported_currency', 10, 3 );
/**
* Validate active gateway value before returning result.
*
* @since 2.1.0
*
* @param $value
*
* @return array
*/
function __give_validate_active_gateways( $value ) {
$gateways = array_keys( give_get_payment_gateways() );
$active_gateways = is_array( $value ) ? array_keys( $value ) : [];
// Remove deactivated payment gateways.
if ( ! empty( $active_gateways ) ) {
foreach ( $active_gateways as $index => $gateway_id ) {
if ( ! in_array( $gateway_id, $gateways ) ) {
unset( $value[ $gateway_id ] );
}
}
}
if ( empty( $value ) ) {
/**
* Filter the default active gateway
*
* @since 2.1.0
*/
$value = apply_filters(
'give_default_active_gateways',
[
'manual' => 1,
]
);
}
return $value;
}
add_filter( 'give_get_option_gateways', '__give_validate_active_gateways', 10, 1 );