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Support Restls-V1 in Clash.Meta (#441)
* feat: impl restls * fix: don't break shadowtls' working * chores: correct restls-client-go version * feat: bump restls-client-go version * fix: consistent naming `client-fingerprint` * docs: update example config * chore: adjust client-fingerprint's snippet --------- Co-authored-by: wwqgtxx <wwqgtxx@gmail.com> Co-authored-by: Larvan2 <78135608+Larvan2@users.noreply.github.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| package restls | ||
|
|
||
| import ( | ||
| "net" | ||
|
|
||
| tls "github.com/3andne/restls-client-go" | ||
| ) | ||
|
|
||
| const ( | ||
| Mode string = "restls" | ||
| ) | ||
|
|
||
| // Restls | ||
| type Restls struct { | ||
| net.Conn | ||
| firstPacketCache []byte | ||
| firstPacket bool | ||
| } | ||
|
|
||
| func (r *Restls) Read(b []byte) (int, error) { | ||
| if err := r.Conn.(*tls.UConn).Handshake(); err != nil { | ||
| return 0, err | ||
| } | ||
| n, err := r.Conn.(*tls.UConn).Read(b) | ||
| return n, err | ||
| } | ||
|
|
||
| func (r *Restls) Write(b []byte) (int, error) { | ||
| if r.firstPacket { | ||
| r.firstPacketCache = append([]byte(nil), b...) | ||
| r.firstPacket = false | ||
| return len(b), nil | ||
| } | ||
| if len(r.firstPacketCache) != 0 { | ||
| b = append(r.firstPacketCache, b...) | ||
| r.firstPacketCache = nil | ||
| } | ||
| n, err := r.Conn.(*tls.UConn).Write(b) | ||
| return n, err | ||
| } | ||
|
|
||
| // NewRestls return a Restls Connection | ||
| func NewRestls(conn net.Conn, config *tls.Config) (net.Conn, error) { | ||
| if config != nil { | ||
| clientIDPtr := config.ClientID.Load() | ||
| if clientIDPtr != nil { | ||
| return &Restls{ | ||
| Conn: tls.UClient(conn, config, *clientIDPtr), | ||
| firstPacket: true, | ||
| }, nil | ||
| } | ||
| } | ||
| return &Restls{ | ||
| Conn: tls.UClient(conn, config, tls.HelloChrome_Auto), | ||
| firstPacket: true, | ||
| }, nil | ||
| } |