started the websocket communication

Cargo.lock

@@ -8,12 +8,27 @@ version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8"
 
+[[package]]
+name = "base64"
+version = "0.22.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
+
 [[package]]
 name = "bitflags"
 version = "2.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2261d10cca569e4643e526d8dc2e62e433cc8aba21ab764233731f8d369bf394"
 
+[[package]]
+name = "block-buffer"
+version = "0.10.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "bytes"
 version = "1.10.1"
@@ -26,6 +41,45 @@ version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2fd1289c04a9ea8cb22300a459a72a385d7c73d3259e2ed7dcb2af674838cfa9"
 
+[[package]]
+name = "cpufeatures"
+version = "0.2.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "59ed5838eebb26a2bb2e58f6d5b5316989ae9d08bab10e0e6d103e656d1b0280"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "crypto-common"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
+dependencies = [
+ "generic-array",
+ "typenum",
+]
+
+[[package]]
+name = "digest"
+version = "0.10.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
+dependencies = [
+ "block-buffer",
+ "crypto-common",
+]
+
+[[package]]
+name = "generic-array"
+version = "0.14.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4bb6743198531e02858aeaea5398fcc883e71851fcbcb5a2f773e2fb6cb1edf2"
+dependencies = [
+ "typenum",
+ "version_check",
+]
+
 [[package]]
 name = "libc"
 version = "0.2.177"
@@ -57,6 +111,8 @@ dependencies = [
 name = "multiplayer-game"
 version = "0.1.0"
 dependencies = [
+ "base64",
+ "sha1",
  "tokio",
 ]
 
@@ -122,6 +178,17 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
+[[package]]
+name = "sha1"
+version = "0.10.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3bf829a2d51ab4a5ddf1352d8470c140cadc8301b2ae1789db023f01cedd6ba"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "digest",
+]
+
 [[package]]
 name = "signal-hook-registry"
 version = "1.4.6"
@@ -186,12 +253,24 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "typenum"
+version = "1.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "562d481066bde0658276a35467c4af00bdc6ee726305698a55b86e61d7ad82bb"
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f63a545481291138910575129486daeaf8ac54aee4387fe7906919f7830c7d9d"
 
+[[package]]
+name = "version_check"
+version = "0.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
+
 [[package]]
 name = "wasi"
 version = "0.11.1+wasi-snapshot-preview1"

Cargo.toml

@@ -4,4 +4,6 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
+base64 = "0.22.1"
+sha1 = "0.10.6"
 tokio = { version = "1.48.0", features = ["net", "fs", "signal", "process", "io-std", "full"] }

src/websoket_connection.rs

@@ -3,17 +3,23 @@ use crate::{
     response::Response,
 };
 
-use tokio::io;
+use tokio::io::{self, AsyncWriteExt};
 use tokio::net::TcpStream;
 
+use base64::prelude::*;
+use sha1::{Digest, Sha1};
+
 pub struct WebsocketConnection {
     stream: TcpStream,
 }
 
 impl WebsocketConnection {
-    pub fn initialize_connection(req: Request, stream: TcpStream) -> tokio::io::Result<Self> {
+    pub async fn initialize_connection(
+        req: Request,
+        mut stream: TcpStream,
+    ) -> tokio::io::Result<Self> {
         let (mut upgrade, mut connection, mut key_exists) = (false, false, false);
-        let mut key_val;
+        let mut key_val: Box<str> = "".into();
 
         for i in req.headers {
             match i {
@@ -32,15 +38,31 @@ impl WebsocketConnection {
                 RequestHeader::Other { name, value } => {
                     if name == "Sec-WebSocket-Key".into() {
                         key_val = value.clone();
+                        key_exists = true;
                     }
                 }
                 _ => (),
             }
         }
 
-        if !upgrade || !connection || !key_exists {
+        if upgrade && connection && key_exists {
+            let magic_val = b"258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
+            let mut hasher = Sha1::new();
+            hasher.update(key_val.as_bytes());
+            hasher.update(magic_val);
+
+            let result = hasher.finalize();
+            let result = BASE64_STANDARD.encode(result);
+
+            Response::new().with_code(200).with_header(crate::response::ResponseHeader::Location)
+
             Ok(Self { stream })
         } else {
+            Response::new()
+                .with_code(crate::response::ResponseCode::BadRequest)
+                .respond(&mut stream)
+                .await?;
+            stream.flush().await?;
             Err(io::Error::new(io::ErrorKind::InvalidData, "Wrong request"))
         }
     }