mihomo/tunnel/connection.go
2018-08-27 00:06:40 +08:00

58 lines
1.4 KiB
Go

package tunnel
import (
"bufio"
"io"
"net/http"
"github.com/Dreamacro/clash/adapters/local"
C "github.com/Dreamacro/clash/constant"
)
func (t *Tunnel) handleHTTP(request *adapters.HTTPAdapter, proxy C.ProxyAdapter) {
conn := newTrafficTrack(proxy.Conn(), t.traffic)
req := request.R
host := req.Host
for {
req.Header.Set("Connection", "close")
req.RequestURI = ""
adapters.RemoveHopByHopHeaders(req.Header)
err := req.Write(conn)
if err != nil {
break
}
br := bufio.NewReader(conn)
resp, err := http.ReadResponse(br, req)
if err != nil {
break
}
adapters.RemoveHopByHopHeaders(resp.Header)
if resp.ContentLength >= 0 {
resp.Header.Set("Proxy-Connection", "keep-alive")
resp.Header.Set("Connection", "keep-alive")
resp.Header.Set("Keep-Alive", "timeout=4")
resp.Close = false
} else {
resp.Close = true
}
resp.Write(request.Conn())
req, err = http.ReadRequest(bufio.NewReader(request.Conn()))
if err != nil {
break
}
// Sometimes firefox just open a socket to process multiple domains in HTTP
// The temporary solution is close connection when encountering different HOST
if req.Host != host {
break
}
}
}
func (t *Tunnel) handleSOCKS(request *adapters.SocketAdapter, proxy C.ProxyAdapter) {
conn := newTrafficTrack(proxy.Conn(), t.traffic)
go io.Copy(request.Conn(), conn)
io.Copy(conn, request.Conn())
}