v1.0

wp-security-pack/includes/class-wpsp-helper.php

@@ -464,6 +464,55 @@ class WPSP_Helper {
 		return $slug;
 	}
 
+	/**
+	 * Get the server's public IP address.
+	 *
+	 * Uses external service to determine the server's outbound IP.
+	 * Result is cached for 1 hour to avoid excessive external requests.
+	 *
+	 * @return string|null Server IP or null on failure.
+	 */
+	public static function get_server_ip() {
+		$cached = get_transient( 'wpsp_server_ip' );
+		if ( false !== $cached ) {
+			return $cached;
+		}
+
+		// Try multiple services for reliability.
+		$services = array(
+			'https://api.ipify.org',
+			'https://ifconfig.me/ip',
+			'https://icanhazip.com',
+		);
+
+		$ip = null;
+
+		foreach ( $services as $service ) {
+			$response = wp_remote_get(
+				$service,
+				array(
+					'timeout'   => 5,
+					'sslverify' => true,
+				)
+			);
+
+			if ( ! is_wp_error( $response ) && 200 === wp_remote_retrieve_response_code( $response ) ) {
+				$body = trim( wp_remote_retrieve_body( $response ) );
+				if ( filter_var( $body, FILTER_VALIDATE_IP ) ) {
+					$ip = $body;
+					break;
+				}
+			}
+		}
+
+		if ( $ip ) {
+			// Cache for 1 hour.
+			set_transient( 'wpsp_server_ip', $ip, HOUR_IN_SECONDS );
+		}
+
+		return $ip;
+	}
+
 	/**
 	 * Get country flag emoji from country code.
 	 *