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Feature: refactor vmess & add http network
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| package vmess | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "fmt" | ||
| "math/rand" | ||
| "net" | ||
| "net/http" | ||
| "net/textproto" | ||
| ) | ||
|
|
||
| type httpConn struct { | ||
| net.Conn | ||
| cfg *HTTPConfig | ||
| rhandshake bool | ||
| whandshake bool | ||
| } | ||
|
|
||
| type HTTPConfig struct { | ||
| Method string | ||
| Host string | ||
| Path []string | ||
| Headers map[string][]string | ||
| } | ||
|
|
||
| // Read implements net.Conn.Read() | ||
| func (hc *httpConn) Read(b []byte) (int, error) { | ||
| if hc.rhandshake { | ||
| n, err := hc.Conn.Read(b) | ||
| return n, err | ||
| } | ||
|
|
||
| reader := textproto.NewConn(hc.Conn) | ||
| // First line: GET /index.html HTTP/1.0 | ||
| if _, err := reader.ReadLine(); err != nil { | ||
| return 0, err | ||
| } | ||
|
|
||
| if _, err := reader.ReadMIMEHeader(); err != nil { | ||
| return 0, err | ||
| } | ||
|
|
||
| hc.rhandshake = true | ||
| return hc.Conn.Read(b) | ||
| } | ||
|
|
||
| // Write implements io.Writer. | ||
| func (hc *httpConn) Write(b []byte) (int, error) { | ||
| if hc.whandshake { | ||
| return hc.Conn.Write(b) | ||
| } | ||
|
|
||
| path := hc.cfg.Path[rand.Intn(len(hc.cfg.Path))] | ||
| u := fmt.Sprintf("http://%s%s", hc.cfg.Host, path) | ||
| req, _ := http.NewRequest("GET", u, bytes.NewBuffer(b)) | ||
| for key, list := range hc.cfg.Headers { | ||
| req.Header.Set(key, list[rand.Intn(len(list))]) | ||
| } | ||
| req.ContentLength = int64(len(b)) | ||
| if err := req.Write(hc.Conn); err != nil { | ||
| return 0, err | ||
| } | ||
| hc.whandshake = true | ||
| return len(b), nil | ||
| } | ||
|
|
||
| func (hc *httpConn) Close() error { | ||
| return hc.Conn.Close() | ||
| } | ||
|
|
||
| func StreamHTTPConn(conn net.Conn, cfg *HTTPConfig) net.Conn { | ||
| return &httpConn{ | ||
| Conn: conn, | ||
| cfg: cfg, | ||
| } | ||
| } |
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