pub fn validate(
	method: &Method,
	version: &Version,
	headers: &HeaderMap,
) -> Result<(), HyperIntoWsError> {

	if *method != Method::GET {
		return Err(HyperIntoWsError::MethodNotGet);
	}

	if *version == Version::HTTP_09 || *version == Version::HTTP_09 {
		return Err(HyperIntoWsError::UnsupportedHttpVersion);
	}

	if let Some(version) = headers.get(SEC_WEBSOCKET_VERSION).map(|v| {
		v.to_str().unwrap().parse::<WebSocketVersion>().unwrap()
	})
	{
		if version != WebSocketVersion::WebSocket13 {
			return Err(HyperIntoWsError::UnsupportedWebsocketVersion);
		}
	}

	if headers.get(SEC_WEBSOCKET_KEY).is_none() {
		return Err(HyperIntoWsError::NoSecWsKeyHeader);
	}

	match headers.get(UPGRADE).map(|v| v.to_str().unwrap().parse().unwrap()) {
		Some(Upgrade(ref upgrade)) => {
			if upgrade.iter().all(|u| u.name != ProtocolName::WebSocket) {
				return Err(HyperIntoWsError::NoWsUpgradeHeader);
			}
		}
		None => return Err(HyperIntoWsError::NoUpgradeHeader),
	};

	fn check_connection_header(headers: &[ConnectionOption]) -> bool {
		for header in headers {
			if let ConnectionOption::ConnectionHeader(ref h) = *header {
				if Ascii::new(h as &str) == Ascii::new("upgrade") {
					return true;
				}
			}
		}
		false
	}

	match headers.get(CONNECTION).map(|v| v.to_str().unwrap().parse().unwrap()) {
		Some(Connection(ref connection)) => {
			if !check_connection_header(connection) {
				return Err(HyperIntoWsError::NoWsConnectionHeader);
			}
		}
		None => return Err(HyperIntoWsError::NoConnectionHeader),
	};

	Ok(())
}
/// Check whether an incoming request is a valid WebSocket upgrade attempt.
Check whether an incoming request is a valid WebSocket upgrade attempt.
Check whether an incoming request is a valid WebSocket upgrade attempt .
pub fn validate(
	method: &Method,
	version: &Version,
	headers: &HeaderMap,
) -> Result<(), HyperIntoWsError> {
	if *method != Method::GET {
		return Err(HyperIntoWsError::MethodNotGet);
	}
	if *version == Version::HTTP_09 || *version == Version::HTTP_09 {
		return Err(HyperIntoWsError::UnsupportedHttpVersion);
	}
	if let Some(version) = headers.get(SEC_WEBSOCKET_VERSION).map(|v| {
		v.to_str().unwrap().parse::<WebSocketVersion>().unwrap()
	})
	{
		if version != WebSocketVersion::WebSocket13 {
			return Err(HyperIntoWsError::UnsupportedWebsocketVersion);
		}
	}
	if headers.get(SEC_WEBSOCKET_KEY).is_none() {
		return Err(HyperIntoWsError::NoSecWsKeyHeader);
	}
	match headers.get(UPGRADE).map(|v| v.to_str().unwrap().parse().unwrap()) {
		Some(Upgrade(ref upgrade)) => {
			if upgrade.iter().all(|u| u.name != ProtocolName::WebSocket) {
				return Err(HyperIntoWsError::NoWsUpgradeHeader);
			}
		}
		None => return Err(HyperIntoWsError::NoUpgradeHeader),
	};
	fn check_connection_header(headers: &[ConnectionOption]) -> bool {
		for header in headers {
			if let ConnectionOption::ConnectionHeader(ref h) = *header {
				if Ascii::new(h as &str) == Ascii::new("upgrade") {
					return true;
				}
			}
		}
		false
	}
	match headers.get(CONNECTION).map(|v| v.to_str().unwrap().parse().unwrap()) {
		Some(Connection(ref connection)) => {
			if !check_connection_header(connection) {
				return Err(HyperIntoWsError::NoWsConnectionHeader);
			}
		}
		None => return Err(HyperIntoWsError::NoConnectionHeader),
	};
	Ok(())
}
pub fn validate ( method : & Method , version : & Version , headers : & HeaderMap , ) -> Result < ( ) , HyperIntoWsError > { if * method != Method :: GET { return Err ( HyperIntoWsError :: MethodNotGet ) ; } if * version == Version :: HTTP_09 || * version == Version :: HTTP_09 { return Err ( HyperIntoWsError :: UnsupportedHttpVersion ) ; } if let Some ( version ) = headers . get ( SEC_WEBSOCKET_VERSION ) . map ( | v | { v . to_str ( ) . unwrap ( ) . parse :: < WebSocketVersion > ( ) . unwrap ( ) } ) { if version != WebSocketVersion :: WebSocket13 { return Err ( HyperIntoWsError :: UnsupportedWebsocketVersion ) ; } } if headers . get ( SEC_WEBSOCKET_KEY ) . is_none ( ) { return Err ( HyperIntoWsError :: NoSecWsKeyHeader ) ; } match headers . get ( UPGRADE ) . map ( | v | v . to_str ( ) . unwrap ( ) . parse ( ) . unwrap ( ) ) { Some ( Upgrade ( ref upgrade ) ) => { if upgrade . iter ( ) . all ( | u | u . name != ProtocolName :: WebSocket ) { return Err ( HyperIntoWsError :: NoWsUpgradeHeader ) ; } } None => return Err ( HyperIntoWsError :: NoUpgradeHeader ) , } ; fn check_connection_header ( headers : & [ ConnectionOption ] ) -> bool { for header in headers { if let ConnectionOption :: ConnectionHeader ( ref h ) = * header { if Ascii :: new ( h as & str ) == Ascii :: new ( " " ) { return true ; } } } false } match headers . get ( CONNECTION ) . map ( | v | v . to_str ( ) . unwrap ( ) . parse ( ) . unwrap ( ) ) { Some ( Connection ( ref connection ) ) => { if ! check_connection_header ( connection ) { return Err ( HyperIntoWsError :: NoWsConnectionHeader ) ; } } None => return Err ( HyperIntoWsError :: NoConnectionHeader ) , } ; Ok ( ( ) ) }
Check whether an incoming request is a valid WebSocket upgrade attempt.
Check whether an incoming request is a valid WebSocket upgrade attempt .
method
&Method
version
&Version
headers
&HeaderMap
method
&Method
version
&Version
headers
&HeaderMap