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<?php if ( ! defined( 'ABSPATH' ) ) { exit; } /** * Class WOOMULTI_CURRENCY_F_Frontend_Location / class WOOMULTI_CURRENCY_F_Frontend_Location { protected $settings; public function __construct() { $this->settings = WOOMULTI_CURRENCY_F_Data::get_ins(); if ( $this->settings->get_enable() ) { /Check change currency. Can not code in init function because Widget price can not get symbol./ $list_currencies = $this->settings->get_list_currencies(); if ( ! isset( $_GET['wmc_location_nonce'] ) \|\| wp_verify_nonce( wc_clean( wp_unslash( $_GET['wmc_location_nonce'] ) ), 'wmc_location_nonce' ) ) { if ( isset( $_GET['wmc-currency'] ) ) { $target_currency = str_replace( '/', '', sanitize_text_field( $_GET['wmc-currency'] ) ); if ( ! empty( $list_currencies[ $target_currency ] ) ) { if ( $list_currencies[ $target_currency ]['hide'] !== '1' ) { $this->settings->set_current_currency( $target_currency ); } } } } add_action( 'init', array( $this, 'init' ), 1 ); } } public function init() { if ( is_admin() && ! wp_doing_ajax() ) { return; } if ( isset( $_GET['wmc_location_nonce'] ) && ! wp_verify_nonce( wc_clean( wp_unslash( $_GET['wmc_location_nonce'] ) ), 'wmc_location_nonce' ) ) { return; } $action = isset( $_GET['action'] ) ? sanitize_text_field( $_GET['action'] ) : ''; if ( $action === 'wc_facebook_background_product_sync' ) { return; } $auto_detect = $this->settings->get_auto_detect(); $currencies = $this->settings->get_currencies(); switch ( $auto_detect ) { case 1: /Auto select currency/ if ( $this->settings->getcookie( 'wmc_current_currency' ) ) { $return = true; switch ( $this->settings->get_geo_api() ) { case 1: // $wmc_ip_add = $this->settings->getcookie( 'wmc_ip_add' ); // if ( $wmc_ip_add !== $this->get_ip() ) { // $this->settings->setcookie( 'wmc_ip_add', '', time() - 3600 ); // $this->settings->setcookie( 'wmc_ip_info', '', time() - 3600 ); // $return = false; // } break; case 2: /Update wmc_ip_info cookie if country is different from one saved in $_SERVER to handle page cache issue/ /This helps auto-detect currency work with Kinsta cache but it will override that customers manually switch to/ if ( $this->settings->getcookie( 'wmc_ip_info' ) ) { $ip_info = json_decode( base64_decode( $this->settings->getcookie( 'wmc_ip_info' ) ), true ); if ( ! empty( $ip_info['country'] ) ) { $server_detect = self::get_country_code_from_headers(); if ( $server_detect && $ip_info['country'] !== $server_detect ) { $ip_info['country'] = $server_detect; $this->settings->setcookie( 'wmc_ip_info', base64_encode( wp_json_encode( $ip_info ) ), time() + 86400 ); $return = false; } } } break; default: } if ( $return ) { return; } } /Do not run if a request is rest api or cron/ if ( WOOMULTI_CURRENCY_F_Data::is_request_to_rest_api() \|\| ! empty( $_REQUEST['doing_wp_cron'] ) ) { return; } $detect_ip_currency = $this->detect_ip_currency(); // echo '<pre>'.print_r($detect_ip_currency,true).'</pre>'; if ( $this->settings->get_enable_currency_by_country() && isset( $detect_ip_currency['country_code'] ) && $detect_ip_currency['country_code'] ) { $currency_detected = ''; foreach ( $currencies as $currency ) { $data = $this->settings->get_currency_by_countries( $currency ); if ( in_array( $detect_ip_currency['country_code'], $data ) ) { $currency_detected = $currency; break; } } if ( $currency_detected ) { $this->settings->set_current_currency( $currency_detected ); } else { $this->settings->set_current_currency( $detect_ip_currency['currency_code'] ); } } elseif ( isset( $detect_ip_currency['currency_code'] ) && in_array( $detect_ip_currency['currency_code'], $currencies ) ) { $this->settings->set_current_currency( $detect_ip_currency['currency_code'] ); } else { $this->settings->set_fallback_currency(); } break; case 2: /Create approximately/ // if ( $this->settings->getcookie( 'wmc_currency_rate' ) ) { if ( $ip_info = $this->settings->getcookie( 'wmc_ip_info' ) ) { $ip_info = json_decode( base64_decode( $ip_info ) ); $currencies_list = $this->settings->get_list_currencies(); $db_rate = isset( $currencies_list[ $ip_info->currency_code ]['rate'] ) ? $currencies_list[ $ip_info->currency_code ]['rate'] : ''; $cookie_rate = $this->settings->getcookie( 'wmc_currency_rate' ); if ( $db_rate == $cookie_rate ) { return; } } $detect_ip_currency = $this->detect_ip_currency(); if ( isset( $detect_ip_currency['currency_code'] ) ) { $this->settings->setcookie( 'wmc_currency_rate', $detect_ip_currency['currency_rate'], time() + 86400 ); $this->settings->setcookie( 'wmc_currency_symbol', $detect_ip_currency['currency_symbol'], time() + 86400 ); } break; default: } } /* * @return array\|bool / protected function detect_ip_currency() { if ( $this->settings->getcookie( 'wmc_ip_info' ) ) { $geoplugin_arg = json_decode( base64_decode( $this->settings->getcookie( 'wmc_ip_info' ) ), true ); } else { switch ( $this->settings->get_geo_api() ) { case 1: $ip_add = $this->get_ip(); $this->settings->setcookie( 'wmc_ip_add', $ip_add, time() + 86400 ); if ( ! class_exists( 'geoPlugin' ) ) { require_once WOOMULTI_CURRENCY_F_INCLUDES . 'geoplugin.class.php'; } $geo_plugin = new geoPlugin(); $geoplugin = $geo_plugin->fetch( "http://www.geoplugin.net/php.gp?ip={$ip_add}&base_currency=" . $this->settings->get_default_currency() ); if ( $geoplugin ) { $geoplugin = unserialize( $geoplugin ); } $geoplugin_arg = array( 'country' => isset( $geoplugin['geoplugin_countryCode'] ) ? $geoplugin['geoplugin_countryCode'] : 'US', 'currency_code' => isset( $geoplugin['geoplugin_currencyCode'] ) ? $geoplugin['geoplugin_currencyCode'] : 'USD', ); if ( ! empty( $geoplugin['geoplugin_currencyConverter'] ) ) { $geoplugin_arg['currency_rate'] = $geoplugin['geoplugin_currencyConverter']; } break; case 2: $country_code = self::get_country_code_from_headers(); $geoplugin_arg = array( 'country' => $country_code, 'currency_code' => $this->settings->get_currency_code( $country_code ) ); break; default: $ip = new WC_Geolocation(); $geo_ip = $ip->geolocate_ip(); $country_code = isset( $geo_ip['country'] ) ? $geo_ip['country'] : ''; $geoplugin_arg = array( 'country' => $country_code, 'currency_code' => $this->settings->get_currency_code( $country_code ) ); } if ( $geoplugin_arg['country'] ) { $this->settings->setcookie( 'wmc_ip_info', base64_encode( wp_json_encode( $geoplugin_arg ) ), time() + 86400 ); } else { return array(); } } $auto_detect = $this->settings->get_auto_detect(); if ( $auto_detect == 1 ) { /Auto select currency/ if ( is_array( $geoplugin_arg ) && isset( $geoplugin_arg['currency_code'] ) ) { $currencies = $this->settings->get_currencies(); if ( ! in_array( $geoplugin_arg['currency_code'], $currencies ) ) { $geoplugin_arg['currency_code'] = $this->settings->get_default_currency(); } return array( 'currency_code' => $geoplugin_arg['currency_code'], 'country_code' => $geoplugin_arg['country'] ); } else { return array(); } } elseif ( $auto_detect == 2 ) { /Approximately price/ if ( is_array( $geoplugin_arg ) && isset( $geoplugin_arg['currency_code'] ) ) { $currency_code = $geoplugin_arg['currency_code']; $country_code = $geoplugin_arg['country']; $symbol = get_woocommerce_currency_symbol( $geoplugin_arg['currency_code'] ); } else { return array(); } $currencies = $this->settings->get_currencies(); $main_currency = $this->settings->get_default_currency(); $list_currencies = $this->settings->get_list_currencies(); $currency_detected = ''; if ( $this->settings->get_enable_currency_by_country() ) { foreach ( $currencies as $currency ) { $data = $this->settings->get_currency_by_countries( $currency ); if ( in_array( $country_code, $data ) ) { $currency_detected = $currency; break; } } } if ( $currency_detected ) { if ( $currency_detected !== $this->settings->get_current_currency() ) { return array( 'currency_code' => $currency_detected, 'currency_rate' => $list_currencies[ $currency_detected ]['rate'], 'currency_symbol' => get_woocommerce_currency_symbol( $currency_detected ) ); } else { return array(); } } else if ( in_array( $currency_code, $currencies ) ) { return array( 'currency_code' => $currency_code, 'currency_rate' => $list_currencies[ $currency_code ]['rate'], 'currency_symbol' => get_woocommerce_currency_symbol( $currency_code ) ); } else { $exchange_rate = $this->settings->get_exchange( $main_currency, $currency_code ); if ( is_array( $exchange_rate ) && isset( $exchange_rate[ $currency_code ] ) ) { return array( 'currency_code' => $currency_code, 'currency_rate' => $exchange_rate[ $currency_code ], 'currency_symbol' => $symbol ); } else { return array(); } } } else { return array(); } } /* * Return IP * @return string / protected function get_ip() { if ( defined( 'WOO_MULTI_CURRENCY_CUSTOM_IP' ) ) { if ( isset( $_SERVER[ WOO_MULTI_CURRENCY_CUSTOM_IP ] ) ) { return sanitize_text_field( wp_unslash( $_SERVER[ WOO_MULTI_CURRENCY_CUSTOM_IP ] ) ); } } if ( isset( $_SERVER['REMOTE_ADDR'] ) ) { $ipaddress = sanitize_text_field( wp_unslash( $_SERVER['REMOTE_ADDR'] ) ); } else if ( isset( $_SERVER['HTTP_CLIENT_IP'] ) ) { $ipaddress = sanitize_text_field( wp_unslash( $_SERVER['HTTP_CLIENT_IP'] ) ); } else if ( isset( $_SERVER['HTTP_X_FORWARDED_FOR'] ) ) { $ipaddress = self::validate_server_ip( $_SERVER['HTTP_X_FORWARDED_FOR'] ); } else if ( isset( $_SERVER['HTTP_X_FORWARDED'] ) ) { $ipaddress = self::validate_server_ip( $_SERVER['HTTP_X_FORWARDED'] ); } else if ( isset( $_SERVER['HTTP_FORWARDED_FOR'] ) ) { $ipaddress = self::validate_server_ip( $_SERVER['HTTP_FORWARDED_FOR'] ); } else if ( isset( $_SERVER['HTTP_FORWARDED'] ) ) { $ipaddress = self::validate_server_ip( $_SERVER['HTTP_FORWARDED'] ); } else { $ipaddress = 'UNKNOWN'; } return $ipaddress; } /* * @param $ip * * @return string */ private static function validate_server_ip( $ip ) { return (string) rest_is_ip_address( trim( current( preg_split( '/,/', sanitize_text_field( wp_unslash( $ip ) ) ) ) ) ); } private static function get_country_code_from_headers() { $country_code = ''; $headers = array( 'HTTP_GEOIP_COUNTRY_CODE', 'GEOIP_COUNTRY_CODE', 'HTTP_CF_IPCOUNTRY', 'MM_COUNTRY_CODE', 'HTTP_X_COUNTRY_CODE', ); foreach ( $headers as $header ) { if ( ! empty( $_SERVER[ $header ] ) ) { $country_code = strtoupper( sanitize_text_field( wp_unslash( $_SERVER[ $header ] ) ) ); break; } } return $country_code; } }

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