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<?php /** * Handles retrieval of client IP addresses from HTTP headers. * * @package WP_Defender\Component\Http\Remote_Address */ namespace WP_Defender\Component\Http\Remote_Address; use WP_Defender\Traits\IP; /** * Older way of getting the client/Remote IP address on HTTP request. */ class Classic_Remote_Address { use IP; /** * List of HTTP headers that may contain the client IP address. * * @var array */ private $accepted_header = array( 'HTTP_CLIENT_IP', 'HTTP_X_REAL_IP', 'HTTP_X_FORWARDED_FOR', 'HTTP_X_FORWARDED', 'HTTP_X_CLUSTER_CLIENT_IP', 'HTTP_FORWARDED_FOR', 'HTTP_FORWARDED', 'HTTP_CF_CONNECTING_IP', 'REMOTE_ADDR', ); /** * Returns client IP addresses. * * @return array IP addresses */ public function get_ip_address(): array { $ip_list = array(); $server = defender_get_data_from_request( null, 's' ); foreach ( $this->accepted_header as $key ) { if ( array_key_exists( $key, $server ) && ! empty( $server[ $key ] ) ) { $ip_array = explode( ',', $server[ $key ] ); foreach ( $ip_array as $ip ) { $ip = trim( $ip ); if ( $this->check_validate_ip( $ip ) ) { $ip_list[] = $ip; } } } } return $ip_list; } /** * Return all the headers found. * * @return array Header(s) key/name. */ public function get_ip_header(): array { $header_array = array(); $server = defender_get_data_from_request( null, 's' ); foreach ( $this->accepted_header as $key ) { if ( array_key_exists( $key, $server ) && ! empty( $server[ $key ] ) ) { $ip_array = explode( ',', $server[ $key ] ); foreach ( $ip_array as $ip ) { $ip = trim( $ip ); if ( $this->check_validate_ip( $ip ) ) { $header_array[] = $key; break; } } } } return $header_array; } }
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