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v2fly/infra/conf/v4/vmess.go
2022-01-02 15:16:23 +00:00

166 lines
4.3 KiB
Go

package v4
import (
"encoding/json"
"strings"
"github.com/golang/protobuf/proto"
"github.com/v2fly/v2ray-core/v5/common/protocol"
"github.com/v2fly/v2ray-core/v5/common/serial"
"github.com/v2fly/v2ray-core/v5/infra/conf/cfgcommon"
"github.com/v2fly/v2ray-core/v5/proxy/vmess"
"github.com/v2fly/v2ray-core/v5/proxy/vmess/inbound"
"github.com/v2fly/v2ray-core/v5/proxy/vmess/outbound"
)
type VMessAccount struct {
ID string `json:"id"`
AlterIds uint16 `json:"alterId"`
Security string `json:"security"`
Experiments string `json:"experiments"`
}
// Build implements Buildable
func (a *VMessAccount) Build() *vmess.Account {
var st protocol.SecurityType
switch strings.ToLower(a.Security) {
case "aes-128-gcm":
st = protocol.SecurityType_AES128_GCM
case "chacha20-poly1305":
st = protocol.SecurityType_CHACHA20_POLY1305
case "auto":
st = protocol.SecurityType_AUTO
case "none":
st = protocol.SecurityType_NONE
case "zero":
st = protocol.SecurityType_ZERO
default:
st = protocol.SecurityType_AUTO
}
return &vmess.Account{
Id: a.ID,
AlterId: uint32(a.AlterIds),
SecuritySettings: &protocol.SecurityConfig{
Type: st,
},
TestsEnabled: a.Experiments,
}
}
type VMessDetourConfig struct {
ToTag string `json:"to"`
}
// Build implements Buildable
func (c *VMessDetourConfig) Build() *inbound.DetourConfig {
return &inbound.DetourConfig{
To: c.ToTag,
}
}
type FeaturesConfig struct {
Detour *VMessDetourConfig `json:"detour"`
}
type VMessDefaultConfig struct {
AlterIDs uint16 `json:"alterId"`
Level byte `json:"level"`
}
// Build implements Buildable
func (c *VMessDefaultConfig) Build() *inbound.DefaultConfig {
config := new(inbound.DefaultConfig)
config.AlterId = uint32(c.AlterIDs)
config.Level = uint32(c.Level)
return config
}
type VMessInboundConfig struct {
Users []json.RawMessage `json:"clients"`
Features *FeaturesConfig `json:"features"`
Defaults *VMessDefaultConfig `json:"default"`
DetourConfig *VMessDetourConfig `json:"detour"`
SecureOnly bool `json:"disableInsecureEncryption"`
}
// Build implements Buildable
func (c *VMessInboundConfig) Build() (proto.Message, error) {
config := &inbound.Config{
SecureEncryptionOnly: c.SecureOnly,
}
if c.Defaults != nil {
config.Default = c.Defaults.Build()
}
if c.DetourConfig != nil {
config.Detour = c.DetourConfig.Build()
} else if c.Features != nil && c.Features.Detour != nil {
config.Detour = c.Features.Detour.Build()
}
config.User = make([]*protocol.User, len(c.Users))
for idx, rawData := range c.Users {
user := new(protocol.User)
if err := json.Unmarshal(rawData, user); err != nil {
return nil, newError("invalid VMess user").Base(err)
}
account := new(VMessAccount)
if err := json.Unmarshal(rawData, account); err != nil {
return nil, newError("invalid VMess user").Base(err)
}
user.Account = serial.ToTypedMessage(account.Build())
config.User[idx] = user
}
return config, nil
}
type VMessOutboundTarget struct {
Address *cfgcommon.Address `json:"address"`
Port uint16 `json:"port"`
Users []json.RawMessage `json:"users"`
}
type VMessOutboundConfig struct {
Receivers []*VMessOutboundTarget `json:"vnext"`
}
// Build implements Buildable
func (c *VMessOutboundConfig) Build() (proto.Message, error) {
config := new(outbound.Config)
if len(c.Receivers) == 0 {
return nil, newError("0 VMess receiver configured")
}
serverSpecs := make([]*protocol.ServerEndpoint, len(c.Receivers))
for idx, rec := range c.Receivers {
if len(rec.Users) == 0 {
return nil, newError("0 user configured for VMess outbound")
}
if rec.Address == nil {
return nil, newError("address is not set in VMess outbound config")
}
spec := &protocol.ServerEndpoint{
Address: rec.Address.Build(),
Port: uint32(rec.Port),
}
for _, rawUser := range rec.Users {
user := new(protocol.User)
if err := json.Unmarshal(rawUser, user); err != nil {
return nil, newError("invalid VMess user").Base(err)
}
account := new(VMessAccount)
if err := json.Unmarshal(rawUser, account); err != nil {
return nil, newError("invalid VMess user").Base(err)
}
user.Account = serial.ToTypedMessage(account.Build())
spec.User = append(spec.User, user)
}
serverSpecs[idx] = spec
}
config.Receiver = serverSpecs
return config, nil
}