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Spaced RPC user/password protection #96
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138e4eb
spaced rpc user/password protection
Ximik 2987c04
Add cookie file for auth
Ximik 0875f72
fix cookie on first run
Ximik 07533e2
fix tests
Ximik 60baf59
builder httpclient for auth
Ximik 3e56d94
rename spaced_rpc_url to rpc_url
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| use base64::Engine; | ||
| use hyper::{http::HeaderValue, Body, HeaderMap, Request, Response, StatusCode}; | ||
| use jsonrpsee::{ | ||
| core::ClientError, | ||
| http_client::{HttpClient, HttpClientBuilder}, | ||
| }; | ||
| use std::{ | ||
| error::Error, | ||
| future::Future, | ||
| pin::Pin, | ||
| sync::Arc, | ||
| task::{Context, Poll}, | ||
| }; | ||
| use tower::{Layer, Service}; | ||
|
|
||
| #[derive(Debug, Clone)] | ||
| pub(crate) struct BasicAuthLayer { | ||
| token: String, | ||
| } | ||
|
|
||
| impl BasicAuthLayer { | ||
| pub fn new(token: String) -> Self { | ||
| Self { token } | ||
| } | ||
| } | ||
|
|
||
| impl<S> Layer<S> for BasicAuthLayer { | ||
| type Service = BasicAuth<S>; | ||
|
|
||
| fn layer(&self, inner: S) -> Self::Service { | ||
| BasicAuth::new(inner, self.token.clone()) | ||
| } | ||
| } | ||
|
|
||
| #[derive(Debug, Clone)] | ||
| pub(crate) struct BasicAuth<S> { | ||
| inner: S, | ||
| token: Arc<str>, | ||
| } | ||
|
|
||
| impl<S> BasicAuth<S> { | ||
| pub fn new(inner: S, token: String) -> Self { | ||
| Self { | ||
| inner, | ||
| token: Arc::from(token.as_str()), | ||
| } | ||
| } | ||
|
|
||
| fn check_auth(&self, headers: &HeaderMap) -> bool { | ||
| headers | ||
| .get("authorization") | ||
| .and_then(|h| h.to_str().ok()) | ||
| .and_then(|s| s.strip_prefix("Basic ")) | ||
| .map_or(false, |token| token == self.token.as_ref()) | ||
| } | ||
|
|
||
| fn unauthorized_response() -> Response<Body> { | ||
| Response::builder() | ||
| .status(StatusCode::UNAUTHORIZED) | ||
| .header("WWW-Authenticate", "Basic realm=\"Protected\"") | ||
| .body(Body::from("Unauthorized")) | ||
| .expect("Failed to build unauthorized response") | ||
| } | ||
| } | ||
|
|
||
| impl<S> Service<Request<Body>> for BasicAuth<S> | ||
| where | ||
| S: Service<Request<Body>, Response = Response<Body>>, | ||
| S::Response: 'static, | ||
| S::Error: Into<Box<dyn Error + Send + Sync>> + 'static, | ||
| S::Future: Send + 'static, | ||
| { | ||
| type Response = S::Response; | ||
| type Error = Box<dyn Error + Send + Sync + 'static>; | ||
| type Future = | ||
| Pin<Box<dyn Future<Output = Result<Self::Response, Self::Error>> + Send + 'static>>; | ||
|
|
||
| #[inline] | ||
| fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> { | ||
| self.inner.poll_ready(cx).map_err(Into::into) | ||
| } | ||
|
|
||
| fn call(&mut self, req: Request<Body>) -> Self::Future { | ||
| if !self.check_auth(req.headers()) { | ||
| let response = Self::unauthorized_response(); | ||
| return Box::pin(async move { Ok(response) }); | ||
| } | ||
|
|
||
| let fut = self.inner.call(req); | ||
| let res_fut = async move { fut.await.map_err(|err| err.into()) }; | ||
| Box::pin(res_fut) | ||
| } | ||
| } | ||
|
|
||
| pub fn auth_cookie(user: &str, password: &str) -> String { | ||
| format!("{user}:{password}") | ||
| } | ||
|
|
||
| pub fn auth_token_from_cookie(cookie: &str) -> String { | ||
| base64::prelude::BASE64_STANDARD.encode(cookie) | ||
| } | ||
|
|
||
| pub fn auth_token_from_creds(user: &str, password: &str) -> String { | ||
| base64::prelude::BASE64_STANDARD.encode(auth_cookie(user, password)) | ||
| } | ||
|
|
||
| pub fn http_client_with_auth(url: &str, auth_token: &str) -> Result<HttpClient, ClientError> { | ||
| let mut headers = hyper::http::HeaderMap::new(); | ||
| headers.insert( | ||
| "Authorization", | ||
| HeaderValue::from_str(&format!("Basic {auth_token}")).unwrap(), | ||
| ); | ||
| HttpClientBuilder::default().set_headers(headers).build(url) | ||
| } |
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