mihomo/proxy/http/server.go
2018-11-21 13:47:46 +08:00

67 lines
1.1 KiB
Go

package http
import (
"bufio"
"net"
"net/http"
"github.com/Dreamacro/clash/adapters/inbound"
"github.com/Dreamacro/clash/log"
"github.com/Dreamacro/clash/tunnel"
)
var (
tun = tunnel.Instance()
)
func NewHttpProxy(addr string) (chan<- struct{}, <-chan struct{}, error) {
l, err := net.Listen("tcp", addr)
if err != nil {
return nil, nil, err
}
done := make(chan struct{})
closed := make(chan struct{})
go func() {
log.Infoln("HTTP proxy listening at: %s", addr)
for {
c, err := l.Accept()
if err != nil {
if _, open := <-done; !open {
break
}
continue
}
go handleConn(c)
}
}()
go func() {
<-done
l.Close()
closed <- struct{}{}
}()
return done, closed, nil
}
func handleConn(conn net.Conn) {
br := bufio.NewReader(conn)
request, err := http.ReadRequest(br)
if err != nil {
conn.Close()
return
}
if request.Method == http.MethodConnect {
_, err := conn.Write([]byte("HTTP/1.1 200 Connection established\r\n\r\n"))
if err != nil {
return
}
tun.Add(adapters.NewHTTPS(request, conn))
return
}
tun.Add(adapters.NewHTTP(request, conn))
}