168 lines
4.9 KiB
Rust
168 lines
4.9 KiB
Rust
#![feature(plugin)]
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#![plugin(rocket_codegen)]
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extern crate rocket;
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extern crate rocket_contrib;
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extern crate reqwest;
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use std::io::{self, Cursor};
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use std::str::FromStr;
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use std::path::{Path, PathBuf};
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use rocket::{Request, Response};
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use rocket::config::Config;
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use rocket::fairing::{Fairing, Info, Kind};
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use rocket::http;
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use rocket::response::NamedFile;
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use reqwest::header::{self, Headers};
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/**
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** These routes are here to avoid showing errors in the console,
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** redirect the body data to the fairing and show the web vault.
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**/
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#[get("/")]
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fn index() -> io::Result<NamedFile> {
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NamedFile::open(Path::new("web-vault").join("index.html"))
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}
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#[get("/<p..>")] // Only match this if the other routes don't match
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fn get(p: PathBuf) -> io::Result<NamedFile> {
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NamedFile::open(Path::new("web-vault").join(p))
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}
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#[delete("/<_p..>")]
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fn delete(_p: PathBuf) {}
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#[put("/<_p..>", data = "<d>")]
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fn put(_p: PathBuf, d: Vec<u8>) -> Vec<u8> { d }
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#[post("/<_p..>", data = "<d>")]
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fn post(_p: PathBuf, d: Vec<u8>) -> Vec<u8> { d }
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fn main() {
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let config = Config::development().unwrap();
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rocket::custom(config, false)
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.mount("/", routes![get, put, post, delete, index])
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.attach(ProxyFairing { client: reqwest::Client::new() })
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.launch();
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}
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struct ProxyFairing {
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client: reqwest::Client
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}
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impl Fairing for ProxyFairing {
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fn info(&self) -> Info {
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Info {
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name: "Proxy Fairing",
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kind: Kind::Launch | Kind::Response,
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}
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}
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fn on_launch(&self, _rocket: &rocket::Rocket) {
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println!("Started proxy on locahost:8000");
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}
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fn on_response(&self, req: &Request, res: &mut Response) {
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// Prepare the data to make the request
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// -------------------------------------
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let url = {
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let url = req.uri().as_str();
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// Check if we are outside the API paths
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if !url.starts_with("/api/")
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&& !url.starts_with("/identity/") {
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return;
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}
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// Replace the path with the real server URL
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url.replacen("/api/", "https://api.bitwarden.com/", 1)
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.replacen("/identity/", "https://identity.bitwarden.com/", 1)
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};
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let host = url.split("/").collect::<Vec<_>>()[2];
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let headers = headers_rocket_to_reqwest(req.headers(), host);
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let method = reqwest::Method::from_str(req.method().as_str()).unwrap();
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let body = res.body_bytes();
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println!("\n\nREQ. {} {}", req.method().as_str(), url);
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println!("HEADERS. {:#?}", headers);
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if let Some(ref body) = body {
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let body_string = String::from_utf8_lossy(body);
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if !body_string.contains("<!DOCTYPE html>") {
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println!("BODY. {:?}", body_string);
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}
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}
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// Execute the request
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// -------------------------------------
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let mut client = self.client.request(method, &url);
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let request_builder = client.headers(headers);
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if let Some(body_vec) = body {
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request_builder.body(body_vec);
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}
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let mut server_res = match request_builder.send() {
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Ok(response) => response,
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Err(e) => {
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res.set_status(http::Status::BadRequest);
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res.set_sized_body(Cursor::new(e.to_string()));
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return;
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}
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};
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// Get the response values
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// -------------------------------------
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let mut res_body: Vec<u8> = vec![];
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server_res.copy_to(&mut res_body).unwrap();
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let res_status = server_res.status().as_u16();
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let mut res_headers = server_res.headers().clone();
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// These headers break stuff
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res_headers.remove::<header::TransferEncoding>();
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res_headers.remove::<header::ContentLength>();
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println!("\n\nRES. {} {}", res_status, url);
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// Nothing interesting here
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// println!("HEADERS. {:#?}", res_headers);
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println!("BODY. {:?}", String::from_utf8_lossy(&res_body));
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// Prepare the response
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// -------------------------------------
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res.set_status(http::Status::from_code(res_status).unwrap_or(http::Status::BadRequest));
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headers_reqwest_to_rocket(&res_headers, res);
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res.set_sized_body(Cursor::new(res_body));
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}
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}
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fn headers_rocket_to_reqwest(headers: &http::HeaderMap, host: &str) -> Headers {
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let mut new_headers = Headers::new();
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for header in headers.iter() {
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let name = header.name().to_string();
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let value = if name.to_lowercase() != "host" {
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header.value().to_string()
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} else {
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host.to_string()
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};
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new_headers.set_raw(name, value);
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}
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new_headers
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}
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fn headers_reqwest_to_rocket(headers: &Headers, res: &mut Response) {
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for header in headers.iter() {
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res.set_raw_header(header.name().to_string(), header.value_string());
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}
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}
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