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Merge pull request #363 from shotover/master
Subprotocol header
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,147 @@ | ||
| #![cfg(feature = "handshake")] | ||
| use std::{ | ||
| net::TcpListener, | ||
| thread::{sleep, spawn}, | ||
| time::Duration, | ||
| }; | ||
| use tungstenite::{ | ||
| accept_hdr, connect, | ||
| error::{Error, ProtocolError, SubProtocolError}, | ||
| handshake::{ | ||
| client::generate_key, | ||
| server::{Request, Response}, | ||
| }, | ||
| }; | ||
|
|
||
| fn create_http_request(uri: &str, subprotocols: Option<Vec<String>>) -> http::Request<()> { | ||
| let uri = uri.parse::<http::Uri>().unwrap(); | ||
|
|
||
| let authority = uri.authority().unwrap().as_str(); | ||
| let host = | ||
| authority.find('@').map(|idx| authority.split_at(idx + 1).1).unwrap_or_else(|| authority); | ||
|
|
||
| if host.is_empty() { | ||
| panic!("Empty host name"); | ||
| } | ||
|
|
||
| let mut builder = http::Request::builder() | ||
| .method("GET") | ||
| .header("Host", host) | ||
| .header("Connection", "Upgrade") | ||
| .header("Upgrade", "websocket") | ||
| .header("Sec-WebSocket-Version", "13") | ||
| .header("Sec-WebSocket-Key", generate_key()); | ||
|
|
||
| if let Some(subprotocols) = subprotocols { | ||
| builder = builder.header("Sec-WebSocket-Protocol", subprotocols.join(",")); | ||
| } | ||
|
|
||
| builder.uri(uri).body(()).unwrap() | ||
| } | ||
|
|
||
| fn server_thread(port: u16, server_subprotocols: Option<Vec<String>>) { | ||
| spawn(move || { | ||
| let server = TcpListener::bind(("127.0.0.1", port)) | ||
| .expect("Can't listen, is this port already in use?"); | ||
|
|
||
| let callback = |_request: &Request, mut response: Response| { | ||
| if let Some(subprotocols) = server_subprotocols { | ||
| let headers = response.headers_mut(); | ||
| headers.append("Sec-WebSocket-Protocol", subprotocols.join(",").parse().unwrap()); | ||
| } | ||
| Ok(response) | ||
| }; | ||
|
|
||
| let client_handler = server.incoming().next().unwrap(); | ||
| let mut client_handler = accept_hdr(client_handler.unwrap(), callback).unwrap(); | ||
| client_handler.close(None).unwrap(); | ||
| }); | ||
| } | ||
|
|
||
| #[test] | ||
| fn test_server_send_no_subprotocol() { | ||
| server_thread(3012, None); | ||
| sleep(Duration::from_secs(1)); | ||
|
|
||
| let err = | ||
| connect(create_http_request("ws://127.0.0.1:3012", Some(vec!["my-sub-protocol".into()]))) | ||
| .unwrap_err(); | ||
|
|
||
| assert!(matches!( | ||
| err, | ||
| Error::Protocol(ProtocolError::SecWebSocketSubProtocolError( | ||
| SubProtocolError::NoSubProtocol | ||
| )) | ||
| )); | ||
| } | ||
|
|
||
| #[test] | ||
| fn test_server_sent_subprotocol_none_requested() { | ||
| server_thread(3013, Some(vec!["my-sub-protocol".to_string()])); | ||
| sleep(Duration::from_secs(1)); | ||
|
|
||
| let err = connect(create_http_request("ws://127.0.0.1:3013", None)).unwrap_err(); | ||
|
|
||
| assert!(matches!( | ||
| err, | ||
| Error::Protocol(ProtocolError::SecWebSocketSubProtocolError( | ||
| SubProtocolError::ServerSentSubProtocolNoneRequested | ||
| )) | ||
| )); | ||
| } | ||
|
|
||
| #[test] | ||
| fn test_invalid_subprotocol() { | ||
| server_thread(3014, Some(vec!["invalid-sub-protocol".to_string()])); | ||
| sleep(Duration::from_secs(1)); | ||
|
|
||
| let err = connect(create_http_request( | ||
| "ws://127.0.0.1:3014", | ||
| Some(vec!["my-sub-protocol".to_string()]), | ||
| )) | ||
| .unwrap_err(); | ||
|
|
||
| assert!(matches!( | ||
| err, | ||
| Error::Protocol(ProtocolError::SecWebSocketSubProtocolError( | ||
| SubProtocolError::InvalidSubProtocol | ||
| )) | ||
| )); | ||
| } | ||
|
|
||
| #[test] | ||
| fn test_request_multiple_subprotocols() { | ||
| server_thread(3015, Some(vec!["my-sub-protocol".to_string()])); | ||
| sleep(Duration::from_secs(1)); | ||
| let (_, response) = connect(create_http_request( | ||
| "ws://127.0.0.1:3015", | ||
| Some(vec![ | ||
| "my-sub-protocol".to_string(), | ||
| "my-sub-protocol-1".to_string(), | ||
| "my-sub-protocol-2".to_string(), | ||
| ]), | ||
| )) | ||
| .unwrap(); | ||
|
|
||
| assert_eq!( | ||
| response.headers().get("Sec-WebSocket-Protocol").unwrap(), | ||
| "my-sub-protocol".parse::<http::HeaderValue>().unwrap() | ||
| ); | ||
| } | ||
|
|
||
| #[test] | ||
| fn test_request_single_subprotocol() { | ||
| server_thread(3016, Some(vec!["my-sub-protocol".to_string()])); | ||
| sleep(Duration::from_secs(1)); | ||
|
|
||
| let (_, response) = connect(create_http_request( | ||
| "ws://127.0.0.1:3016", | ||
| Some(vec!["my-sub-protocol".to_string()]), | ||
| )) | ||
| .unwrap(); | ||
|
|
||
| assert_eq!( | ||
| response.headers().get("Sec-WebSocket-Protocol").unwrap(), | ||
| "my-sub-protocol".parse::<http::HeaderValue>().unwrap() | ||
| ); | ||
| } |