Add chat session

chat/sign/session.go

@@ -0,0 +1,50 @@
+package sign
+
+import (
+	"io"
+
+	"github.com/google/uuid"
+
+	"github.com/Tnze/go-mc/chat"
+	pk "github.com/Tnze/go-mc/net/packet"
+	"github.com/Tnze/go-mc/yggdrasil/user"
+)
+
+type Message struct {
+	Link struct {
+		Index   int
+		Sender  uuid.UUID
+		Session uuid.UUID
+	}
+	Signature []byte
+	PackedMessageBody
+	Unsigned *chat.Message
+	FilterMask
+}
+
+type Session struct {
+	sessionID uuid.UUID
+	publicKey user.PublicKey
+}
+
+func (s Session) WriteTo(w io.Writer) (n int64, err error) {
+	n1, err := pk.UUID(s.sessionID).WriteTo(w)
+	if err != nil {
+		return n1, err
+	}
+	n2, err := s.publicKey.WriteTo(w)
+	return n1 + n2, err
+}
+
+func (s *Session) ReadFrom(r io.Reader) (n int64, err error) {
+	n1, err := ((*pk.UUID)(&s.sessionID)).ReadFrom(r)
+	if err != nil {
+		return n1, err
+	}
+	n2, err := s.publicKey.ReadFrom(r)
+	return n1 + n2, err
+}
+
+func (s *Session) Update(msg Message) bool {
+	panic("todo")
+}

chat/sign/sign.go

@@ -4,18 +4,19 @@ import (
 	"io"
 	"time"
 
-	pk "github.com/Tnze/go-mc/net/packet"
 	"github.com/google/uuid"
+
+	pk "github.com/Tnze/go-mc/net/packet"
 )
 
-type MessageBody struct {
+type PackedMessageBody struct {
 	PlainMsg  string
 	Timestamp time.Time
 	Salt      int64
 	LastSeen  []PackedSignature
 }
 
-func (m *MessageBody) WriteTo(w io.Writer) (n int64, err error) {
+func (m *PackedMessageBody) WriteTo(w io.Writer) (n int64, err error) {
 	return pk.Tuple{
 		pk.String(m.PlainMsg),
 		pk.Long(m.Timestamp.UnixMilli()),
@@ -24,7 +25,7 @@ func (m *MessageBody) WriteTo(w io.Writer) (n int64, err error) {
 	}.WriteTo(w)
 }
 
-func (m *MessageBody) ReadFrom(r io.Reader) (n int64, err error) {
+func (m *PackedMessageBody) ReadFrom(r io.Reader) (n int64, err error) {
 	var timestamp pk.Long
 	n, err = pk.Tuple{
 		(*pk.String)(&m.PlainMsg),

chat/sign/sign_test.go

@@ -1 +0,0 @@
-package sign