src/lib.rs

@@ -46,68 +46,43 @@ impl From<rustls::ClientConfig> for Client {
 impl Client {
     pub async fn request(self: &Self, url_str: &str) -> Result<Response, LibError> {
         let url = Url::parse(url_str).map_err(|e| InvalidUrl::ParseError(e))?;
-        // for proxying http(s) through gemini server,
-        // use Client::request_with_host
         if url.scheme() != "gemini" {
-            // deny non-Gemini req
             return Err(InvalidUrl::SchemeNotGemini.into());
         }
-        // userinfo (user:pswd@) is not allowed in Gemini
         if !url.username().is_empty() {
             return Err(InvalidUrl::UserinfoPresent.into());
         }
-
         let host = url.host_str().ok_or(InvalidUrl::ConvertError)?;
         let addr = (host, url.port().unwrap_or(1965))
             .to_socket_addrs()?
             .next()
             .ok_or(InvalidUrl::ConvertError)?;
-
         let domain = pki_types::ServerName::try_from(host)
             .map_err(|_| InvalidUrl::ConvertError)?
             .to_owned();
-
         let stream = TcpStream::connect(&addr).await?;
         let mut stream = self.connector.connect(domain, stream).await?;
-
-        // Write URL, then CRLF
         stream.write_all(url_str.as_bytes()).await?;
         stream.write_all(b"\r\n").await?;
-
         let mut buf: [u8; 3] = [0, 0, 0]; // 2 digits, space
         stream.read_exact(&mut buf).await?;
         let status = Status::parse_status(&buf)?;
-
         let mut message: Vec<u8> = Vec::new();
         let mut buf_reader = tokio::io::BufReader::new(&mut stream);
-        let mut buf: [u8; 1] = [0]; // buffer for LF (\n)
-
-        // reading message after status code
-        // until CRLF (\r\n)
+        let mut buf: [u8; 1] = [0];
         loop {
-            // until CR
             buf_reader.read_until(b'\r', &mut message).await?;
-            // now read next char...
             buf_reader.read_exact(&mut buf).await?;
             if buf[0] == b'\n' {
-                // ...and check if it's LF
                 break;
             } else {
-                // ...otherwise, CR is a part of message, not a CRLF terminator,
-                // so append that one byte that's supposed to be LF (but not LF)
-                // to the message buffer
                 message.push(buf[0].into());
             }
         }
-
-        // trim last CR
         if message.last().is_some_and(|c| c == &b'\r') {
             message.pop();
         }
-
-        // Vec<u8> -> ASCII or UTF-8 String
         let message = String::from_utf8(message)?;
-
         Ok(Response::new(status, message, stream))
     }
 }

src/status.rs

@@ -48,31 +48,17 @@ pub enum StatusCode {
     ClientCerts = 60,
     CertNotAuthorized = 61,
     CertNotValid = 62,
-
-    // 1..6 first digit range check is still
-    // covered by conversion into ReplyType
-    // (see Status::parse_status)
-    #[num_enum(catch_all)]
-    Unknown(u8),
 }
 
 const ASCII_ZERO: u8 = 48; // '0'
 
 impl Status {
     pub fn parse_status(buf: &[u8]) -> Result<Self, LibError> {
-        // simple decimal digit conversion
-        // '2' - '0' = 50 - 48 = 2 (from byte '2' to uint 2)
         let first = buf[0] - ASCII_ZERO;
         let second = buf[1] - ASCII_ZERO;
-
-        let code = first * 10 + second;
-
         Ok(Status {
-            // get enum item for 2-digit status code
-            status_code: StatusCode::try_from_primitive(code)?,
-            // get enum entry for first digit
+            status_code: StatusCode::try_from_primitive(first * 10 + second)?,
             reply_type: ReplyType::try_from_primitive(first)?,
-            // provide separate field for the 2nd digit
             second_digit: second,
         })
     }