Files
Cultivation/src-tauri/src/proxy.rs
2022-05-16 01:57:34 -04:00

137 lines
4.2 KiB
Rust

/*
* Built on example code from:
* https://github.com/omjadas/hudsucker/blob/main/examples/log.rs
*/
use std::borrow::Borrow;
use hudsucker::{
async_trait::async_trait,
certificate_authority::RcgenAuthority,
hyper::{Body, Request, Response},
*
};
use std::net::SocketAddr;
use registry::{Hive, Data, Security};
use rustls_pemfile as pemfile;
use tauri::http::Uri;
use tokio::sync::oneshot::Sender;
async unsafe fn shutdown_signal() {
tokio::signal::ctrl_c().await
.expect("Failed to install CTRL+C signal handler");
}
#[derive(Clone)]
struct ProxyHandler;
#[async_trait]
impl HttpHandler for ProxyHandler {
async fn handle_request(&mut self,
_context: &HttpContext,
request: Request<Body>
) -> RequestOrResponse {
// Get request parts.
let (parts, body) = request.into_parts();
// Parse request URI.
let mut uri = parts.uri.clone();
let path = uri.to_string();
// Check URI against constraints.
if path.contains("hoyoverse.com") || path.contains("mihoyo.com") || path.contains("yuanshen.com") {
let mut new_uri = String::new();
new_uri.push_str("127.0.0.1");
new_uri.push_str(uri.path());
uri = Uri::from_static(new_uri.as_str());
}
let builder = Request::builder()
.method(&parts.method)
.uri(&uri)
.version(parts.version);
let modified = builder.body(body).unwrap();
RequestOrResponse::Request(modified)
}
async fn handle_response(&mut self,
_context: &HttpContext,
response: Response<Body>
) -> Response<Body> { response }
}
/**
* Starts an HTTP(S) proxy server.
*/
pub(crate) async fn create_proxy(proxy_port: u16) {
// Get the certificate and private key.
let mut private_key_bytes: &[u8] = include_bytes!("../resources/private-key.pem");
let mut ca_cert_bytes: &[u8] = include_bytes!("../resources/ca-certificate.pem");
// Parse the private key and certificate.
let private_key = rustls::PrivateKey(
pemfile::pkcs8_private_keys(&mut private_key_bytes)
.expect("Failed to parse private key")
.remove(0),
);
let ca_cert = rustls::Certificate(
pemfile::certs(&mut ca_cert_bytes)
.expect("Failed to parse CA certificate")
.remove(0),
);
// Create the certificate authority.
let authority = RcgenAuthority::new(private_key, ca_cert, 1_000)
.expect("Failed to create Certificate Authority");
// Create an instance of the proxy.
let proxy = ProxyBuilder::new()
.with_addr(SocketAddr::from(([0, 0, 0, 0], proxy_port)))
.with_rustls_client()
.with_ca(authority)
.with_http_handler(ProxyHandler)
.build();
// Start the proxy.
unsafe {
tokio::spawn(proxy.start(shutdown_signal()));
}
}
/**
* Connects to the local HTTP(S) proxy server.
*/
pub(crate) fn connect_to_proxy(proxy_port: u16) {
if cfg!(target_os = "windows") {
// Create 'ProxyServer' string.
let server_string: String = format!("http=127.0.0.1:{};https=127.0.0.1:{};ftp=127.0.0.1:{}", proxy_port, proxy_port, proxy_port);
// Fetch the 'Internet Settings' registry key.
let settings = Hive::CurrentUser.open(r"Software\Microsoft\Windows\CurrentVersion\Internet Settings", Security::Write).unwrap();
// Set registry values.
settings.set_value("ProxyServer", &Data::String(server_string.parse().unwrap())).unwrap();
settings.set_value("ProxyEnable", &Data::U32(1)).unwrap();
}
println!("Connected to the proxy.");
}
/**
* Disconnects from the local HTTP(S) proxy server.
*/
pub(crate) fn disconnect_from_proxy() {
if cfg!(target_os = "windows") {
// Fetch the 'Internet Settings' registry key.
let settings = Hive::CurrentUser.open(r"Software\Microsoft\Windows\CurrentVersion\Internet Settings", Security::Write).unwrap();
// Set registry values.
settings.set_value("ProxyEnable", &Data::U32(0)).unwrap();
}
println!("Disconnected from proxy.");
}