1 files changed, 0 insertions, 220 deletions
diff --git a/src/pkg/websocket/server.go b/src/pkg/websocket/server.go
deleted file mode 100644
index 165cbffee..000000000
--- a/src/pkg/websocket/server.go
+++ /dev/null
@@ -1,220 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package websocket
-
-import (
-	"http"
-	"io"
-	"strings"
-)
-
-/*
-Handler is an interface to a WebSocket.
-
-A trivial example server:
-
-	package main
-
-	import (
-		"http"
-		"io"
-		"websocket"
-	)
-
-	// Echo the data received on the Web Socket.
-	func EchoServer(ws *websocket.Conn) {
-		io.Copy(ws, ws);
-	}
-
-	func main() {
-		http.Handle("/echo", websocket.Handler(EchoServer));
-		err := http.ListenAndServe(":12345", nil);
-		if err != nil {
-			panic("ListenAndServe: " + err.String())
-		}
-	}
-*/
-type Handler func(*Conn)
-
-/*
-Gets key number from Sec-WebSocket-Key<n>: field as described
-in 5.2 Sending the server's opening handshake, 4.
-*/
-func getKeyNumber(s string) (r uint32) {
-	// 4. Let /key-number_n/ be the digits (characters in the range
-	// U+0030 DIGIT ZERO (0) to U+0039 DIGIT NINE (9)) in /key_1/,
-	// interpreted as a base ten integer, ignoring all other characters
-	// in /key_n/.
-	r = 0
-	for i := 0; i < len(s); i++ {
-		if s[i] >= '0' && s[i] <= '9' {
-			r = r*10 + uint32(s[i]) - '0'
-		}
-	}
-	return
-}
-
-// ServeHTTP implements the http.Handler interface for a Web Socket
-func (f Handler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
-	rwc, buf, err := w.(http.Hijacker).Hijack()
-	if err != nil {
-		panic("Hijack failed: " + err.String())
-		return
-	}
-	// The server should abort the WebSocket connection if it finds
-	// the client did not send a handshake that matches with protocol
-	// specification.
-	defer rwc.Close()
-
-	if req.Method != "GET" {
-		return
-	}
-	// HTTP version can be safely ignored.
-
-	if strings.ToLower(req.Header.Get("Upgrade")) != "websocket" ||
-		strings.ToLower(req.Header.Get("Connection")) != "upgrade" {
-		return
-	}
-
-	// TODO(ukai): check Host
-	origin := req.Header.Get("Origin")
-	if origin == "" {
-		return
-	}
-
-	key1 := req.Header.Get("Sec-Websocket-Key1")
-	if key1 == "" {
-		return
-	}
-	key2 := req.Header.Get("Sec-Websocket-Key2")
-	if key2 == "" {
-		return
-	}
-	key3 := make([]byte, 8)
-	if _, err := io.ReadFull(buf, key3); err != nil {
-		return
-	}
-
-	var location string
-	if req.TLS != nil {
-		location = "wss://" + req.Host + req.URL.RawPath
-	} else {
-		location = "ws://" + req.Host + req.URL.RawPath
-	}
-
-	// Step 4. get key number in Sec-WebSocket-Key<n> fields.
-	keyNumber1 := getKeyNumber(key1)
-	keyNumber2 := getKeyNumber(key2)
-
-	// Step 5. get number of spaces in Sec-WebSocket-Key<n> fields.
-	space1 := uint32(strings.Count(key1, " "))
-	space2 := uint32(strings.Count(key2, " "))
-	if space1 == 0 || space2 == 0 {
-		return
-	}
-
-	// Step 6. key number must be an integral multiple of spaces.
-	if keyNumber1%space1 != 0 || keyNumber2%space2 != 0 {
-		return
-	}
-
-	// Step 7. let part be key number divided by spaces.
-	part1 := keyNumber1 / space1
-	part2 := keyNumber2 / space2
-
-	// Step 8. let challenge be concatenation of part1, part2 and key3.
-	// Step 9. get MD5 fingerprint of challenge.
-	response, err := getChallengeResponse(part1, part2, key3)
-	if err != nil {
-		return
-	}
-
-	// Step 10. send response status line.
-	buf.WriteString("HTTP/1.1 101 WebSocket Protocol Handshake\r\n")
-	// Step 11. send response headers.
-	buf.WriteString("Upgrade: WebSocket\r\n")
-	buf.WriteString("Connection: Upgrade\r\n")
-	buf.WriteString("Sec-WebSocket-Location: " + location + "\r\n")
-	buf.WriteString("Sec-WebSocket-Origin: " + origin + "\r\n")
-	protocol := strings.TrimSpace(req.Header.Get("Sec-Websocket-Protocol"))
-	if protocol != "" {
-		buf.WriteString("Sec-WebSocket-Protocol: " + protocol + "\r\n")
-	}
-	// Step 12. send CRLF.
-	buf.WriteString("\r\n")
-	// Step 13. send response data.
-	buf.Write(response)
-	if err := buf.Flush(); err != nil {
-		return
-	}
-	ws := newConn(origin, location, protocol, buf, rwc)
-	ws.Request = req
-	f(ws)
-}
-
-
-/*
-Draft75Handler is an interface to a WebSocket based on the
-(soon obsolete) draft-hixie-thewebsocketprotocol-75.
-*/
-type Draft75Handler func(*Conn)
-
-// ServeHTTP implements the http.Handler interface for a Web Socket.
-func (f Draft75Handler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
-	if req.Method != "GET" || req.Proto != "HTTP/1.1" {
-		w.WriteHeader(http.StatusBadRequest)
-		io.WriteString(w, "Unexpected request")
-		return
-	}
-	if req.Header.Get("Upgrade") != "WebSocket" {
-		w.WriteHeader(http.StatusBadRequest)
-		io.WriteString(w, "missing Upgrade: WebSocket header")
-		return
-	}
-	if req.Header.Get("Connection") != "Upgrade" {
-		w.WriteHeader(http.StatusBadRequest)
-		io.WriteString(w, "missing Connection: Upgrade header")
-		return
-	}
-	origin := strings.TrimSpace(req.Header.Get("Origin"))
-	if origin == "" {
-		w.WriteHeader(http.StatusBadRequest)
-		io.WriteString(w, "missing Origin header")
-		return
-	}
-
-	rwc, buf, err := w.(http.Hijacker).Hijack()
-	if err != nil {
-		panic("Hijack failed: " + err.String())
-		return
-	}
-	defer rwc.Close()
-
-	var location string
-	if req.TLS != nil {
-		location = "wss://" + req.Host + req.URL.RawPath
-	} else {
-		location = "ws://" + req.Host + req.URL.RawPath
-	}
-
-	// TODO(ukai): verify origin,location,protocol.
-
-	buf.WriteString("HTTP/1.1 101 Web Socket Protocol Handshake\r\n")
-	buf.WriteString("Upgrade: WebSocket\r\n")
-	buf.WriteString("Connection: Upgrade\r\n")
-	buf.WriteString("WebSocket-Origin: " + origin + "\r\n")
-	buf.WriteString("WebSocket-Location: " + location + "\r\n")
-	protocol := strings.TrimSpace(req.Header.Get("Websocket-Protocol"))
-	// canonical header key of WebSocket-Protocol.
-	if protocol != "" {
-		buf.WriteString("WebSocket-Protocol: " + protocol + "\r\n")
-	}
-	buf.WriteString("\r\n")
-	if err := buf.Flush(); err != nil {
-		return
-	}
-	ws := newConn(origin, location, protocol, buf, rwc)
-	f(ws)
-}