mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-11-17 18:06:15 -05:00
256 lines
7.2 KiB
Go
256 lines
7.2 KiB
Go
package conf
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import (
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"encoding/json"
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"io/ioutil"
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"strings"
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"v2ray.com/core/common/serial"
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"v2ray.com/core/transport/internet"
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"v2ray.com/core/transport/internet/kcp"
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"v2ray.com/core/transport/internet/tcp"
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"v2ray.com/core/transport/internet/tls"
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"v2ray.com/core/transport/internet/websocket"
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)
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var (
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kcpHeaderLoader = NewJSONConfigLoader(ConfigCreatorCache{
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"none": func() interface{} { return new(NoOpAuthenticator) },
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"srtp": func() interface{} { return new(SRTPAuthenticator) },
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"utp": func() interface{} { return new(UTPAuthenticator) },
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"wechat-video": func() interface{} { return new(WechatVideoAuthenticator) },
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}, "type", "")
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tcpHeaderLoader = NewJSONConfigLoader(ConfigCreatorCache{
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"none": func() interface{} { return new(NoOpConnectionAuthenticator) },
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"http": func() interface{} { return new(HTTPAuthenticator) },
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}, "type", "")
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)
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type KCPConfig struct {
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Mtu *uint32 `json:"mtu"`
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Tti *uint32 `json:"tti"`
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UpCap *uint32 `json:"uplinkCapacity"`
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DownCap *uint32 `json:"downlinkCapacity"`
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Congestion *bool `json:"congestion"`
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ReadBufferSize *uint32 `json:"readBufferSize"`
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WriteBufferSize *uint32 `json:"writeBufferSize"`
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HeaderConfig json.RawMessage `json:"header"`
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}
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func (v *KCPConfig) Build() (*serial.TypedMessage, error) {
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config := new(kcp.Config)
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if v.Mtu != nil {
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mtu := *v.Mtu
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if mtu < 576 || mtu > 1460 {
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return nil, newError("invalid mKCP MTU size: ", mtu).AtError()
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}
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config.Mtu = &kcp.MTU{Value: mtu}
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}
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if v.Tti != nil {
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tti := *v.Tti
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if tti < 10 || tti > 100 {
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return nil, newError("invalid mKCP TTI: ", tti).AtError()
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}
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config.Tti = &kcp.TTI{Value: tti}
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}
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if v.UpCap != nil {
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config.UplinkCapacity = &kcp.UplinkCapacity{Value: *v.UpCap}
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}
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if v.DownCap != nil {
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config.DownlinkCapacity = &kcp.DownlinkCapacity{Value: *v.DownCap}
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}
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if v.Congestion != nil {
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config.Congestion = *v.Congestion
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}
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if v.ReadBufferSize != nil {
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size := *v.ReadBufferSize
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if size > 0 {
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config.ReadBuffer = &kcp.ReadBuffer{Size: size * 1024 * 1024}
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} else {
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config.ReadBuffer = &kcp.ReadBuffer{Size: 512 * 1024}
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}
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}
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if v.WriteBufferSize != nil {
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size := *v.WriteBufferSize
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if size > 0 {
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config.WriteBuffer = &kcp.WriteBuffer{Size: size * 1024 * 1024}
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} else {
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config.WriteBuffer = &kcp.WriteBuffer{Size: 512 * 1024}
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}
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}
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if len(v.HeaderConfig) > 0 {
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headerConfig, _, err := kcpHeaderLoader.Load(v.HeaderConfig)
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if err != nil {
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return nil, newError("invalid mKCP header config.").Base(err).AtError()
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}
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ts, err := headerConfig.(Buildable).Build()
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if err != nil {
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return nil, newError("invalid mKCP header config").Base(err).AtError()
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}
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config.HeaderConfig = ts
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}
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return serial.ToTypedMessage(config), nil
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}
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type TCPConfig struct {
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HeaderConfig json.RawMessage `json:"header"`
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}
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func (v *TCPConfig) Build() (*serial.TypedMessage, error) {
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config := new(tcp.Config)
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if len(v.HeaderConfig) > 0 {
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headerConfig, _, err := tcpHeaderLoader.Load(v.HeaderConfig)
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if err != nil {
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return nil, newError("invalid TCP header config").Base(err).AtError()
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}
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ts, err := headerConfig.(Buildable).Build()
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if err != nil {
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return nil, newError("invalid TCP header config").Base(err).AtError()
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}
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config.HeaderSettings = ts
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}
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return serial.ToTypedMessage(config), nil
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}
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type WebSocketConfig struct {
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Path string `json:"Path"`
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}
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func (v *WebSocketConfig) Build() (*serial.TypedMessage, error) {
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config := &websocket.Config{
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Path: v.Path,
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}
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return serial.ToTypedMessage(config), nil
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}
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type TLSCertConfig struct {
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CertFile string `json:"certificateFile"`
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KeyFile string `json:"keyFile"`
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}
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type TLSConfig struct {
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Insecure bool `json:"allowInsecure"`
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Certs []*TLSCertConfig `json:"certificates"`
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ServerName string `json:"serverName"`
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}
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func (v *TLSConfig) Build() (*serial.TypedMessage, error) {
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config := new(tls.Config)
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config.Certificate = make([]*tls.Certificate, len(v.Certs))
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for idx, certConf := range v.Certs {
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cert, err := ioutil.ReadFile(certConf.CertFile)
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if err != nil {
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return nil, newError("failed to load TLS certificate file: ", certConf.CertFile).Base(err).AtError()
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}
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key, err := ioutil.ReadFile(certConf.KeyFile)
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if err != nil {
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return nil, newError("failed to load TLS key file: ", certConf.KeyFile).Base(err).AtError()
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}
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config.Certificate[idx] = &tls.Certificate{
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Key: key,
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Certificate: cert,
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}
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}
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config.AllowInsecure = v.Insecure
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if len(v.ServerName) > 0 {
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config.ServerName = v.ServerName
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}
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return serial.ToTypedMessage(config), nil
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}
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type TransportProtocol string
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func (p TransportProtocol) Build() (internet.TransportProtocol, error) {
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switch strings.ToLower(string(p)) {
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case "tcp":
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return internet.TransportProtocol_TCP, nil
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case "kcp", "mkcp":
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return internet.TransportProtocol_MKCP, nil
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case "ws", "websocket":
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return internet.TransportProtocol_WebSocket, nil
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default:
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return internet.TransportProtocol_TCP, newError("Config: unknown transport protocol: ", p)
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}
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}
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type StreamConfig struct {
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Network *TransportProtocol `json:"network"`
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Security string `json:"security"`
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TLSSettings *TLSConfig `json:"tlsSettings"`
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TCPSettings *TCPConfig `json:"tcpSettings"`
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KCPSettings *KCPConfig `json:"kcpSettings"`
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WSSettings *WebSocketConfig `json:"wsSettings"`
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}
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func (v *StreamConfig) Build() (*internet.StreamConfig, error) {
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config := &internet.StreamConfig{
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Protocol: internet.TransportProtocol_TCP,
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}
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if v.Network != nil {
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protocol, err := (*v.Network).Build()
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if err != nil {
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return nil, err
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}
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config.Protocol = protocol
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}
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if strings.ToLower(v.Security) == "tls" {
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tlsSettings := v.TLSSettings
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if tlsSettings == nil {
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tlsSettings = &TLSConfig{}
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}
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ts, err := tlsSettings.Build()
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if err != nil {
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return nil, newError("Failed to build TLS config.").Base(err)
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}
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config.SecuritySettings = append(config.SecuritySettings, ts)
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config.SecurityType = ts.Type
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}
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if v.TCPSettings != nil {
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ts, err := v.TCPSettings.Build()
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if err != nil {
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return nil, newError("Failed to build TCP config.").Base(err)
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}
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config.TransportSettings = append(config.TransportSettings, &internet.TransportConfig{
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Protocol: internet.TransportProtocol_TCP,
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Settings: ts,
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})
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}
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if v.KCPSettings != nil {
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ts, err := v.KCPSettings.Build()
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if err != nil {
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return nil, newError("Failed to build mKCP config.").Base(err)
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}
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config.TransportSettings = append(config.TransportSettings, &internet.TransportConfig{
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Protocol: internet.TransportProtocol_MKCP,
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Settings: ts,
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})
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}
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if v.WSSettings != nil {
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ts, err := v.WSSettings.Build()
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if err != nil {
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return nil, newError("Failed to build WebSocket config.").Base(err)
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}
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config.TransportSettings = append(config.TransportSettings, &internet.TransportConfig{
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Protocol: internet.TransportProtocol_WebSocket,
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Settings: ts,
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})
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}
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return config, nil
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}
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type ProxyConfig struct {
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Tag string `json:"tag"`
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}
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func (v *ProxyConfig) Build() (*internet.ProxyConfig, error) {
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if len(v.Tag) == 0 {
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return nil, newError("Proxy tag is not set.")
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}
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return &internet.ProxyConfig{
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Tag: v.Tag,
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}, nil
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}
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