Merge pull request #3 from recurse-chat/working-server

Working server

Cargo.lock

@@ -81,6 +81,12 @@ version = "1.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2af50177e190e07a26ab74f8b1efbfe2ef87da2116221318cb1c2e82baf7de06"
 
+[[package]]
+name = "bitflags"
+version = "2.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b588b76d00fde79687d7646a9b5bdf3cc0f655e0bbd080335a95d7e96f3587da"
+
 [[package]]
 name = "block-buffer"
 version = "0.10.4"
@@ -226,6 +232,7 @@ dependencies = [
  "serde",
  "serde_json",
  "tokio",
+ "tower-http",
 ]
 
 [[package]]
@@ -349,6 +356,12 @@ dependencies = [
  "pin-project-lite",
 ]
 
+[[package]]
+name = "http-range-header"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9171a2ea8a68358193d15dd5d70c1c10a2afc3e7e4c5bc92bc9f025cebd7359c"
+
 [[package]]
 name = "httparse"
 version = "1.10.1"
@@ -432,6 +445,16 @@ version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6877bb514081ee2a7ff5ef9de3281f14a4dd4bceac4c09388074a6b5df8a139a"
 
+[[package]]
+name = "mime_guess"
+version = "2.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7c44f8e672c00fe5308fa235f821cb4198414e1c77935c1ab6948d3fd78550e"
+dependencies = [
+ "mime",
+ "unicase",
+]
+
 [[package]]
 name = "mio"
 version = "1.2.2"
@@ -820,6 +843,19 @@ dependencies = [
  "tungstenite",
 ]
 
+[[package]]
+name = "tokio-util"
+version = "0.7.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "494815d09bf52b5548659851081238f0ca39ff638363907596da739561c62c52"
+dependencies = [
+ "bytes",
+ "futures-core",
+ "futures-sink",
+ "pin-project-lite",
+ "tokio",
+]
+
 [[package]]
 name = "tower"
 version = "0.5.3"
@@ -836,6 +872,31 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "tower-http"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b11f75e912b0c2be01b63d8cf8057b8c3f97cf34abb3d431a3a4c8675498e233"
+dependencies = [
+ "bitflags",
+ "bytes",
+ "futures-core",
+ "futures-util",
+ "http",
+ "http-body",
+ "http-body-util",
+ "http-range-header",
+ "httpdate",
+ "mime",
+ "mime_guess",
+ "percent-encoding",
+ "pin-project-lite",
+ "tokio",
+ "tokio-util",
+ "tower-layer",
+ "tower-service",
+]
+
 [[package]]
 name = "tower-layer"
 version = "0.3.3"
@@ -890,6 +951,12 @@ version = "1.20.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b6f5e870be6c3b371b77fe0ee0bafb859fa4964b4404c27de1d380043c4dda20"
 
+[[package]]
+name = "unicase"
+version = "2.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dbc4bc3a9f746d862c45cb89d705aa10f187bb96c76001afab07a0d35ce60142"
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.24"

Cargo.toml

@@ -12,3 +12,4 @@ tokio = { version = "1.53.1", features = ["rt", "rt-multi-thread", "macros", "sy
 ed25519-dalek = { version = "2", features = ["rand_core"] }
 rand = "0.8"
 bs58 = "0.5.1"
+tower-http = { version = "0.7.0", features = ["fs", "cors"] }

src/config.rs

@@ -2,7 +2,7 @@ use std::{collections::HashSet, path::PathBuf};
 
 use serde::{Deserialize, Serialize};
 
-use crate::protocol::ServerMeta;
+use crate::types::{Channel, ChannelKind, ServerMeta};
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct Config {
@@ -18,13 +18,26 @@ impl Config {
             meta: ServerMeta {
                 name: "New Server".to_string(),
                 description: String::new(),
+
+                channels: vec![Channel {
+                    id: "text-channels".to_string(),
+                    name: "Text Channels".to_string(),
+
+                    data: ChannelKind::Category {
+                        channels: vec![Channel {
+                            id: "general".to_string(),
+                            name: "General".to_string(),
+                            data: ChannelKind::Text,
+                        }],
+                    },
+                }],
             },
 
             port: 3415,
 
-            public_hostname: "localhost:3000".to_string(),
+            public_hostname: "localhost:3415".to_string(),
 
-            hostnames: HashSet::from_iter(["localhost:3000".to_string()]),
+            hostnames: HashSet::from_iter(["localhost:3415".to_string()]),
         }
     }
 

src/main.rs

@@ -2,6 +2,7 @@ pub mod config;
 pub mod protocol;
 pub mod server;
 pub mod signature;
+pub mod types;
 
 use std::{
     net::{IpAddr, Ipv4Addr, SocketAddr},
@@ -14,6 +15,10 @@ use axum::{
     response::Response,
     routing::{any, get},
 };
+use tower_http::{
+    cors::{Any, CorsLayer},
+    services::ServeFile,
+};
 
 use crate::server::Server;
 
@@ -21,10 +26,17 @@ use crate::server::Server;
 async fn main() -> anyhow::Result<()> {
     let server = Server::new().await?;
 
+    let cors = CorsLayer::new()
+        .allow_origin(Any)
+        .allow_methods(Any)
+        .allow_headers(Any);
+
     let app = Router::new()
         .route("/meta", get(meta))
         .route("/", any(ws_handler))
-        .with_state(server.clone());
+        .route_service("/icon", ServeFile::new("./icon.png"))
+        .with_state(server.clone())
+        .layer(cors);
 
     let listener = tokio::net::TcpListener::bind(SocketAddr::new(
         IpAddr::V4(Ipv4Addr::new(0, 0, 0, 0)),

src/protocol/initialize.rs

@@ -37,9 +37,9 @@ impl UserConnections {
             ));
         };
 
-        let server_timestamp = SystemTime::now().duration_since(UNIX_EPOCH)?.as_secs();
+        let server_timestamp = SystemTime::now().duration_since(UNIX_EPOCH)?.as_millis() as u64;
 
-        if server_timestamp - timestamp > 2 {
+        if server_timestamp.saturating_sub(timestamp) > 2000 {
             send_socket(
                 &mut socket,
                 &ClientMethod::Error {
@@ -53,7 +53,8 @@ impl UserConnections {
             return Err(anyhow::anyhow!("Client tampstamp wasn't correct"));
         }
 
-        if !server.config.hostnames.contains(&hostname) {
+        if hostname != server.config.public_hostname || !server.config.hostnames.contains(&hostname)
+        {
             send_socket(
                 &mut socket,
                 &ClientMethod::Error {
@@ -100,10 +101,9 @@ impl UserConnections {
                 &mut socket,
                 &ClientMethod::Initialized {
                     public_key: crate::signature::to_string(&server.key.verifying_key()),
-                    signature: server
+                    signature: crate::signature::to_string_sig(&server.key.sign(
-                        .key
+                        format!("{server_timestamp}@{hostname}@{public_key_string}").as_bytes(),
-                        .sign(format!("{timestamp}@{hostname}@{public_key_string}").as_bytes())
+                    )),
-                        .to_string(),
 
                     timestamp: server_timestamp,
                     hostname,

src/protocol/mod.rs

@@ -4,17 +4,10 @@ use axum::extract::ws::{Message, Utf8Bytes, WebSocket};
 use serde::{Deserialize, Serialize};
 use tokio::sync::Mutex;
 
+use crate::types::ClientMeta;
+
 pub mod initialize;
 
-#[derive(Debug, Clone, Serialize, Deserialize)]
-pub struct ClientMeta {}
-
-#[derive(Debug, Clone, Serialize, Deserialize)]
-pub struct ServerMeta {
-    pub name: String,
-    pub description: String,
-}
-
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[serde(tag = "method")]
 pub enum ClientMethod {

src/server.rs

@@ -12,7 +12,8 @@ use tokio::sync::Mutex;
 
 use crate::{
     config::Config,
-    protocol::{ClientMeta, ClientMethod, read_loop, send_socket},
+    protocol::{ClientMethod, read_loop, send_socket},
+    types::ClientMeta,
 };
 
 pub struct UserConnections {
@@ -49,7 +50,7 @@ impl Server {
 
                     let mut clients_meta = s.clients.lock().await;
 
-                    let client_meta =
+                    let clients =
                         clients_meta
                             .entry(public_key)
                             .or_insert_with(|| UserConnections {
@@ -59,18 +60,23 @@ impl Server {
                                 connections: HashMap::new(),
                             });
 
-                    client_meta.connections.insert(
+                    let conid = clients
-                        client_meta
                         .counter
-                            .fetch_add(1, std::sync::atomic::Ordering::Relaxed),
+                        .fetch_add(1, std::sync::atomic::Ordering::Relaxed);
-                        client.clone(),
+
-                    );
+                    clients.connections.insert(conid, client.clone());
 
                     if let Err(e) = read_loop(&client).await {
                         eprintln!("Failed to handle client: {e}");
                     } else {
                         println!("Client connection closed")
                     }
+
+                    clients.connections.remove(&conid);
+
+                    if clients.connections.len() == 0 {
+                        clients_meta.remove(&public_key);
+                    }
                 }
 
                 Err(e) => {

src/signature.rs

@@ -24,6 +24,10 @@ pub fn to_string(key: &VerifyingKey) -> String {
     bs58::encode(key.to_bytes()).into_string()
 }
 
+pub fn to_string_sig(signature: &Signature) -> String {
+    bs58::encode(signature.to_bytes()).into_string()
+}
+
 pub fn from_string(key: &str) -> anyhow::Result<VerifyingKey> {
     Ok(VerifyingKey::from_bytes(
         &bs58::decode(key)
@@ -38,6 +42,6 @@ pub fn from_string_sig(signature: &str) -> anyhow::Result<Signature> {
         &bs58::decode(signature)
             .into_vec()?
             .try_into()
-            .map_err(|_| anyhow::anyhow!("Invalid public key"))?,
+            .map_err(|_| anyhow::anyhow!("Invalid signature"))?,
     ))
 }

src/types.rs

@@ -0,0 +1,29 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct ClientMeta {}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct ServerMeta {
+    pub name: String,
+    pub description: String,
+    pub channels: Vec<Channel>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(tag = "kind")]
+#[serde(rename_all = "camelCase")]
+pub enum ChannelKind {
+    Text,
+    Category { channels: Vec<Channel> },
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct Channel {
+    pub id: String,
+    pub name: String,
+
+    #[serde(flatten)]
+    pub data: ChannelKind,
+}