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package config
import "vpnem/internal/models"
type InboundConfig map[string]any
func BuildOutbound(server models.Server) map[string]any {
return BuildOutboundWithTag(server, "proxy")
}
func BuildOutboundWithTag(server models.Server, tag string) map[string]any {
switch server.Type {
case "vless":
return buildVLESSOutbound(server, tag)
case "vless-reality":
return buildVLESSRealityOutbound(server, tag)
case "vmess":
return buildVMessOutbound(server, tag)
case "shadowsocks":
return buildShadowsocksOutbound(server, tag)
case "hysteria2":
return buildHysteria2Outbound(server, tag)
default:
return buildSOCKSOutbound(server, tag)
}
}
func BuildHysteria2Inbound(_ any, port int, password string, obfsPassword string, upMbps int, downMbps int, certPath string, keyPath string) (*InboundConfig, error) {
if password == "" {
return nil, errConfig("hysteria2 inbound requires password")
}
if certPath == "" || keyPath == "" {
return nil, errConfig("hysteria2 inbound requires certificate and key paths")
}
inbound := InboundConfig{
"type": "hysteria2",
"tag": "hysteria2-in",
"listen": "::",
"listen_port": port,
"users": []map[string]any{
{"name": "user-01", "password": password},
},
"tls": map[string]any{
"enabled": true,
"alpn": []string{"h3"},
"min_version": "1.3",
"max_version": "1.3",
"certificate_path": certPath,
"key_path": keyPath,
},
}
if upMbps > 0 {
inbound["up_mbps"] = upMbps
}
if downMbps > 0 {
inbound["down_mbps"] = downMbps
}
if obfsPassword != "" {
inbound["obfs"] = map[string]any{
"type": "salamander",
"password": obfsPassword,
}
}
return &inbound, nil
}
func buildVLESSOutbound(server models.Server, tag string) map[string]any {
outbound := map[string]any{
"type": "vless", "tag": tag,
"server": server.Server, "server_port": server.ServerPort, "uuid": server.UUID,
}
applyTLS(outbound, server.TLS)
applyTransport(outbound, server.Transport)
return outbound
}
func buildVLESSRealityOutbound(server models.Server, tag string) map[string]any {
outbound := map[string]any{
"type": "vless", "tag": tag,
"server": server.Server, "server_port": server.ServerPort, "uuid": server.UUID,
}
applyTLS(outbound, server.TLS)
return outbound
}
func buildVMessOutbound(server models.Server, tag string) map[string]any {
outbound := map[string]any{
"type": "vmess", "tag": tag,
"server": server.Server, "server_port": server.ServerPort,
"uuid": server.UUID, "security": "auto", "alter_id": 0,
}
applyTLS(outbound, server.TLS)
applyTransport(outbound, server.Transport)
return outbound
}
func buildShadowsocksOutbound(server models.Server, tag string) map[string]any {
return map[string]any{
"type": "shadowsocks", "tag": tag,
"server": server.Server, "server_port": server.ServerPort,
"method": server.Method, "password": server.Password,
}
}
func buildHysteria2Outbound(server models.Server, tag string) map[string]any {
outbound := map[string]any{
"type": "hysteria2", "tag": tag,
"server": server.Server, "server_port": server.ServerPort,
"password": server.Password,
}
if server.UpMbps > 0 {
outbound["up_mbps"] = server.UpMbps
}
if server.DownMbps > 0 {
outbound["down_mbps"] = server.DownMbps
}
if server.ObfsPassword != "" {
outbound["obfs"] = map[string]any{"type": "salamander", "password": server.ObfsPassword}
}
tlsConfig := map[string]any{
"enabled": true,
"insecure": true,
"alpn": []string{"h3"},
"min_version": "1.3",
"max_version": "1.3",
}
if server.TLS != nil {
if server.TLS.ServerName != "" {
tlsConfig["server_name"] = server.TLS.ServerName
}
if len(server.TLS.ALPN) > 0 {
tlsConfig["alpn"] = server.TLS.ALPN
}
if server.TLS.MinVersion != "" {
tlsConfig["min_version"] = server.TLS.MinVersion
}
if server.TLS.MaxVersion != "" {
tlsConfig["max_version"] = server.TLS.MaxVersion
}
if server.TLS.Insecure {
tlsConfig["insecure"] = true
}
}
outbound["tls"] = tlsConfig
return outbound
}
func buildSOCKSOutbound(server models.Server, tag string) map[string]any {
return map[string]any{
"type": "socks", "tag": tag,
"server": server.Server, "server_port": server.ServerPort,
"udp_over_tcp": server.UDPOverTCP,
}
}
func applyTLS(outbound map[string]any, tls *models.TLS) {
if tls == nil {
return
}
tlsConfig := map[string]any{
"enabled": tls.Enabled,
"server_name": tls.ServerName,
}
if tls.Insecure {
tlsConfig["insecure"] = true
}
if len(tls.ALPN) > 0 {
tlsConfig["alpn"] = tls.ALPN
}
if tls.MinVersion != "" {
tlsConfig["min_version"] = tls.MinVersion
}
if tls.MaxVersion != "" {
tlsConfig["max_version"] = tls.MaxVersion
}
if tls.Reality != nil && tls.Reality.Enabled {
tlsConfig["reality"] = map[string]any{
"enabled": true,
"public_key": tls.Reality.PublicKey,
"short_id": tls.Reality.ShortID,
}
if tls.Reality.Fingerprint != "" {
tlsConfig["utls"] = map[string]any{
"enabled": true,
"fingerprint": tls.Reality.Fingerprint,
}
}
}
outbound["tls"] = tlsConfig
}
func errConfig(message string) error {
return &configError{message: message}
}
type configError struct {
message string
}
func (e *configError) Error() string {
return e.message
}
func applyTransport(outbound map[string]any, transport *models.Transport) {
if transport == nil {
return
}
outbound["transport"] = map[string]any{
"type": transport.Type,
"path": transport.Path,
}
}
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