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<?php
namespace WPMailSMTP;
/**
* Class Geo to work with location, domain, IPs etc.
*
* @since 1.5.0
*/
class Geo {
/**
* Get the current site hostname.
* In case of CLI we don't have SERVER_NAME, so use host name instead, may be not a domain name.
* Examples: example.com, localhost.
*
* @since 1.5.0
*
* @return string
*/
public static function get_site_domain() {
return ! empty( $_SERVER['SERVER_NAME'] ) ? wp_unslash( $_SERVER['SERVER_NAME'] ) : wp_parse_url( get_home_url( get_current_blog_id() ), PHP_URL_HOST );
}
/**
* Get the domain IP address.
* Uses gethostbyname() which is quite slow, but this is done only one time.
*
* @since 1.5.0
*
* @param string $domain
*
* @return string
*/
public static function get_ip_by_domain( $domain ) {
if ( $domain === 'localhost' ) {
return '127.0.0.1';
}
return gethostbyname( $domain );
}
/**
* Get the location coordinates by IP address.
* We make a request to 3rd party services.
*
* @since 1.5.0
* @since 1.6.0 Added new geo API endpoint, provided by WPForms.
* @since 2.0.0 Updated the WPForms geo API endpoint to v3.
*
* @param string $ip The IP address.
*
* @return array Empty array for localhost.
*/
public static function get_location_by_ip( $ip ) {
// Check for a non-local IP.
if ( empty( $ip ) || in_array( $ip, [ '127.0.0.1', '::1' ], true ) ) {
return [];
}
$request = wp_remote_get( 'https://geo.wpforms.com/v3/geolocate/json/' . $ip );
if ( ! is_wp_error( $request ) ) {
$request = json_decode( wp_remote_retrieve_body( $request ), true );
if ( ! empty( $request['latitude'] ) && ! empty( $request['longitude'] ) ) {
$data = [
'latitude' => sanitize_text_field( $request['latitude'] ),
'longitude' => sanitize_text_field( $request['longitude'] ),
'city' => isset( $request['city'] ) ? sanitize_text_field( $request['city'] ) : '',
'region' => isset( $request['region_name'] ) ? sanitize_text_field( $request['region_name'] ) : '',
'country' => isset( $request['country_iso'] ) ? sanitize_text_field( $request['country_iso'] ) : '',
'postal' => isset( $request['zip_code'] ) ? sanitize_text_field( $request['zip_code'] ) : '',
];
return $data;
}
}
$request = wp_remote_get( 'https://ipapi.co/' . $ip . '/json' );
if ( ! is_wp_error( $request ) ) {
$request = json_decode( wp_remote_retrieve_body( $request ), true );
if ( ! empty( $request['latitude'] ) && ! empty( $request['longitude'] ) ) {
$data = [
'latitude' => sanitize_text_field( $request['latitude'] ),
'longitude' => sanitize_text_field( $request['longitude'] ),
'city' => isset( $request['city'] ) ? sanitize_text_field( $request['city'] ) : '',
'region' => isset( $request['region'] ) ? sanitize_text_field( $request['region'] ) : '',
'country' => isset( $request['country'] ) ? sanitize_text_field( $request['country'] ) : '',
'postal' => isset( $request['postal'] ) ? sanitize_text_field( $request['postal'] ) : '',
];
return $data;
}
}
$request = wp_remote_get( 'https://tools.keycdn.com/geo.json?host=' . $ip );
if ( ! is_wp_error( $request ) ) {
$request = json_decode( wp_remote_retrieve_body( $request ), true );
if ( ! empty( $request['data']['geo']['latitude'] ) && ! empty( $request['data']['geo']['longitude'] ) ) {
$data = [
'latitude' => sanitize_text_field( $request['data']['geo']['latitude'] ),
'longitude' => sanitize_text_field( $request['data']['geo']['longitude'] ),
'city' => isset( $request['data']['geo']['city'] ) ? sanitize_text_field( $request['data']['geo']['city'] ) : '',
'region' => isset( $request['data']['geo']['region_name'] ) ? sanitize_text_field( $request['data']['geo']['region_name'] ) : '',
'country' => isset( $request['data']['geo']['country_code'] ) ? sanitize_text_field( $request['data']['geo']['country_code'] ) : '',
'postal' => isset( $request['data']['geo']['postal_code'] ) ? sanitize_text_field( $request['data']['geo']['postal_code'] ) : '',
];
return $data;
}
}
return [];
}
/**
* This routine calculates the distance between two points (given the latitude/longitude of those points).
* Definitions: South latitudes are negative, east longitudes are positive.
*
* @see https://www.geodatasource.com/developers/php
*
* @since 1.5.0
*
* @param float $lat1 Latitude of point 1 (in decimal degrees).
* @param float $lon1 Longitude of point 1 (in decimal degrees).
* @param float $lat2 Latitude of point 2 (in decimal degrees).
* @param float $lon2 Longitude of point 2 (in decimal degrees).
* @param string $unit Supported values: M, K, N. Miles by default.
*
* @return float|int
*/
public static function get_distance_between( $lat1, $lon1, $lat2, $lon2, $unit = 'M' ) {
if ( ( $lat1 === $lat2 ) && ( $lon1 === $lon2 ) ) {
return 0;
}
$theta = $lon1 - $lon2;
$dist = sin( deg2rad( $lat1 ) ) * sin( deg2rad( $lat2 ) ) + cos( deg2rad( $lat1 ) ) * cos( deg2rad( $lat2 ) ) * cos( deg2rad( $theta ) );
$dist = acos( $dist );
$dist = rad2deg( $dist );
$miles = $dist * 60 * 1.1515;
$unit = strtoupper( $unit );
if ( $unit === 'K' ) {
return ( $miles * 1.609344 );
} elseif ( $unit === 'N' ) {
return ( $miles * 0.8684 );
}
return $miles;
}
}