CompressResponseBody compresses the response body using the appropriate compression algorithm.

DecompressResponseBody decompresses the response body using the appropriate decompression algorithm.

InjectJsScript injects a JavaScript script into the HTML response body.

LookupIP looks up the IP address using the IP2Location API (https://www.ip2location.io/).

ModifyCSP modifies the Content-Security-Policy header to allow the proxy scripts.

SessionSave saves the session and handles any errors that occur.

SetContentSecurityHeaders sets the Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options headers.