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Deprecate legacy VMess header with a planned decommission (#717)
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@ -191,11 +191,16 @@ func (s *ServerSession) DecodeRequestHeader(reader io.Reader) (*protocol.Request
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decryptor = bytes.NewReader(aeadData)
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s.isAEADRequest = true
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case !s.isAEADForced && errorAEAD == vmessaead.ErrNotFound:
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case errorAEAD == vmessaead.ErrNotFound:
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userLegacy, timestamp, valid, userValidationError := s.userValidator.Get(buffer.Bytes())
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if !valid || userValidationError != nil {
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return nil, drainConnection(newError("invalid user").Base(userValidationError))
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}
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if s.isAEADForced {
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return nil, drainConnection(newError("invalid user: VMessAEAD is enforced and a non VMessAEAD connection is received. You can still disable this security feature with environment variable v2ray.vmess.aead.forced = false . You will not be able to enable legacy header workaround in the future."))
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} else {
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newError("Critical Warning: potentially invalid user: a non VMessAEAD connection is received. From 2022 Jan 1st, this kind of connection will be rejected by default. You should update or replace your client software now. ").AtWarning().WriteToLog()
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}
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user = userLegacy
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iv := hashTimestamp(md5.New(), timestamp)
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vmessAccount = userLegacy.Account.(*vmess.MemoryAccount)
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@ -353,16 +353,26 @@ func (h *Handler) generateCommand(ctx context.Context, request *protocol.Request
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}
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var aeadForced = false
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var aeadForced2022 = false
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func init() {
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common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
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return New(ctx, config.(*Config))
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}))
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const defaultFlagValue = "NOT_DEFINED_AT_ALL"
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var defaultFlagValue = "NOT_DEFINED_AT_ALL"
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if time.Now().Year() >= 2022 {
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defaultFlagValue = "true_by_default_2022"
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}
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isAeadForced := platform.NewEnvFlag("v2ray.vmess.aead.forced").GetValue(func() string { return defaultFlagValue })
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if isAeadForced == "true" {
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aeadForced = true
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}
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if isAeadForced == "true_by_default_2022" {
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aeadForced = true
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aeadForced2022 = true
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}
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}
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