Split into gui and client crates (#30)

Reviewed-on: #30
Reviewed-by: restitux <restitux@ohea.xyz>
Co-authored-by: Sam Sartor <me@samsartor.com>
Co-committed-by: Sam Sartor <me@samsartor.com>

client/src/imp/connect.rs

@@ -0,0 +1,118 @@
+use crate::app::{Command, SharedState};
+use color_eyre::eyre::{bail, Error};
+use futures_channel::mpsc::UnboundedReceiver;
+use mumble_protocol::control::ClientControlCodec;
+use std::net::ToSocketAddrs;
+use std::sync::Arc;
+use tokio::net::TcpStream;
+use tokio_rustls::rustls;
+use tokio_rustls::rustls::client::danger::{HandshakeSignatureValid, ServerCertVerifier};
+use tokio_rustls::rustls::pki_types::{CertificateDer, ServerName, UnixTime};
+use tokio_rustls::rustls::ClientConfig;
+use tokio_rustls::rustls::DigitallySignedStruct;
+use tokio_rustls::TlsConnector;
+use tokio_util::compat::{TokioAsyncReadCompatExt as _, TokioAsyncWriteCompatExt as _};
+use tracing::{info, instrument};
+
+use mumble_web2_common::{ProxyOverrides, ServerStatus};
+
+#[derive(Debug)]
+struct NoCertificateVerification;
+
+impl ServerCertVerifier for NoCertificateVerification {
+    fn verify_server_cert(
+        &self,
+        _end_entity: &CertificateDer<'_>,
+        _intermediates: &[CertificateDer<'_>],
+        _server_name: &ServerName<'_>,
+        _ocsp: &[u8],
+        _now: UnixTime,
+    ) -> Result<rustls::client::danger::ServerCertVerified, rustls::Error> {
+        Ok(rustls::client::danger::ServerCertVerified::assertion())
+    }
+
+    fn verify_tls12_signature(
+        &self,
+        _message: &[u8],
+        _cert: &CertificateDer<'_>,
+        _dss: &DigitallySignedStruct,
+    ) -> Result<HandshakeSignatureValid, rustls::Error> {
+        Ok(HandshakeSignatureValid::assertion())
+    }
+
+    fn verify_tls13_signature(
+        &self,
+        _message: &[u8],
+        _cert: &CertificateDer<'_>,
+        _dss: &DigitallySignedStruct,
+    ) -> Result<HandshakeSignatureValid, rustls::Error> {
+        Ok(HandshakeSignatureValid::assertion())
+    }
+
+    fn supported_verify_schemes(&self) -> Vec<rustls::SignatureScheme> {
+        vec![
+            rustls::SignatureScheme::RSA_PKCS1_SHA1,
+            rustls::SignatureScheme::ECDSA_SHA1_Legacy,
+            rustls::SignatureScheme::RSA_PKCS1_SHA256,
+            rustls::SignatureScheme::ECDSA_NISTP256_SHA256,
+            rustls::SignatureScheme::RSA_PKCS1_SHA384,
+            rustls::SignatureScheme::ECDSA_NISTP384_SHA384,
+            rustls::SignatureScheme::RSA_PKCS1_SHA512,
+            rustls::SignatureScheme::ECDSA_NISTP521_SHA512,
+            rustls::SignatureScheme::RSA_PSS_SHA256,
+            rustls::SignatureScheme::RSA_PSS_SHA384,
+            rustls::SignatureScheme::RSA_PSS_SHA512,
+            rustls::SignatureScheme::ED25519,
+            rustls::SignatureScheme::ED448,
+        ]
+    }
+}
+
+#[instrument]
+pub async fn network_connect(
+    address: String,
+    username: String,
+    event_rx: &mut UnboundedReceiver<Command>,
+    overrides: &ProxyOverrides,
+    state: SharedState,
+) -> Result<(), Error> {
+    info!("connecting");
+
+    let config = ClientConfig::builder()
+        .dangerous()
+        .with_custom_certificate_verifier(Arc::new(NoCertificateVerification))
+        .with_no_client_auth();
+
+    let connector = TlsConnector::from(Arc::new(config));
+
+    let addr = format!("{}:{}", address, 64738)
+        .to_socket_addrs()?
+        .next()
+        .unwrap();
+
+    let server_tcp = TcpStream::connect(addr).await?;
+    let server_stream = connector
+        //.connect("127.0.0.1".try_into()?, server_tcp)
+        .connect(address.try_into()?, server_tcp)
+        .await?;
+    let (read_server, write_server) = tokio::io::split(server_stream);
+
+    let read_codec = ClientControlCodec::new();
+    let write_codec = ClientControlCodec::new();
+
+    let reader = asynchronous_codec::FramedRead::new(read_server.compat(), read_codec);
+    let writer = asynchronous_codec::FramedWrite::new(write_server.compat_write(), write_codec);
+
+    let (outgoing_send, outgoing_recv) = futures_channel::mpsc::unbounded();
+    spawn(crate::sender_loop(outgoing_recv, writer));
+    crate::network_loop(username, state, event_rx, outgoing_send, reader).await
+}
+
+pub async fn get_status(client: &reqwest::Client) -> color_eyre::Result<ServerStatus> {
+    bail!("status not supported on desktop yet")
+}
+
+#[allow(unused)]
+pub use tokio::spawn;
+#[allow(unused)]
+pub type SpawnHandle = tokio::runtime::Handle;