110 lines
2.1 KiB
Go
110 lines
2.1 KiB
Go
package protocol
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import (
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"errors"
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"fmt"
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"git.lumeweb.com/LumeWeb/libs5-go/interfaces"
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"git.lumeweb.com/LumeWeb/libs5-go/net"
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"git.lumeweb.com/LumeWeb/libs5-go/protocol/base"
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"git.lumeweb.com/LumeWeb/libs5-go/protocol/signed"
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"git.lumeweb.com/LumeWeb/libs5-go/types"
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"github.com/vmihailenco/msgpack/v5"
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"net/url"
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)
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var _ base.IncomingMessageTyped = (*HandshakeOpen)(nil)
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type HandshakeOpen struct {
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challenge []byte
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networkId string
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handshake []byte
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base.IncomingMessageTypedImpl
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base.IncomingMessageHandler
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}
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func (h HandshakeOpen) Challenge() []byte {
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return h.challenge
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}
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func (h HandshakeOpen) NetworkId() string {
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return h.networkId
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}
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var _ base.EncodeableMessage = (*HandshakeOpen)(nil)
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var (
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errInvalidChallenge = errors.New("Invalid challenge")
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)
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func NewHandshakeOpen(challenge []byte, networkId string) *HandshakeOpen {
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return &HandshakeOpen{
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challenge: challenge,
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networkId: networkId,
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}
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}
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func (h HandshakeOpen) EncodeMsgpack(enc *msgpack.Encoder) error {
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err := enc.EncodeUint(uint64(types.ProtocolMethodHandshakeOpen))
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if err != nil {
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return err
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}
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err = enc.EncodeBytes(h.challenge)
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if err != nil {
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return err
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}
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if h.networkId != "" {
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err = enc.EncodeString(h.networkId)
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if err != nil {
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return err
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}
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}
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return nil
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}
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func (h *HandshakeOpen) DecodeMessage(dec *msgpack.Decoder) error {
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handshake, err := dec.DecodeBytes()
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if err != nil {
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return err
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}
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h.handshake = handshake
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networkId, err := dec.DecodeString()
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if err != nil {
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return err
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}
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h.networkId = networkId
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return nil
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}
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func (h *HandshakeOpen) HandleMessage(node interfaces.Node, peer net.Peer, verifyId bool) error {
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if h.networkId != node.NetworkId() {
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return fmt.Errorf("Peer is in different network: %s", h.networkId)
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}
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handshake := signed.NewHandshakeDoneRequest(h.handshake, types.SupportedFeatures, []*url.URL{})
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message, err := msgpack.Marshal(handshake)
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if err != nil {
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return err
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}
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secureMessage, err := node.Services().P2P().SignMessageSimple(message)
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if err != nil {
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return err
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}
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err = peer.SendMessage(secureMessage)
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if err != nil {
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return err
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}
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return nil
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}
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