gost/cmd/gost/norm.go
2021-12-20 22:00:08 +08:00

140 lines
2.6 KiB
Go

package main
import (
"net/url"
"strings"
"github.com/go-gost/gost/pkg/config"
"github.com/go-gost/gost/pkg/registry"
)
// normConfig normalizes the config.
func normConfig(cfg *config.Config) {
for _, svc := range cfg.Services {
normService(svc)
}
for _, chain := range cfg.Chains {
normChain(chain)
}
}
func normService(svc *config.ServiceConfig) {
if svc.URL == "" {
return
}
u, _ := url.Parse(svc.URL)
var handler, listener string
schemes := strings.Split(u.Scheme, "+")
if len(schemes) == 1 {
handler = schemes[0]
listener = schemes[0]
}
if len(schemes) == 2 {
handler = schemes[0]
listener = schemes[1]
}
md := make(map[string]interface{})
for k, v := range u.Query() {
if len(v) > 0 {
md[k] = v[0]
}
}
if u.User != nil {
md["users"] = []interface{}{u.User.String()}
}
svc.Addr = u.Host
if h := registry.GetHandler(handler); h == nil {
handler = "auto"
}
if ln := registry.GetListener(listener); ln == nil {
listener = "tcp"
if handler == "ssu" {
listener = "udp"
}
}
if remotes := strings.Trim(u.EscapedPath(), "/"); remotes != "" {
svc.Forwarder = &config.ForwarderConfig{
Targets: strings.Split(remotes, ","),
}
if handler != "relay" {
if listener == "tcp" || listener == "udp" ||
listener == "rtcp" || listener == "rudp" ||
listener == "tun" || listener == "tap" {
handler = listener
} else {
handler = "tcp"
}
}
}
svc.Handler = &config.HandlerConfig{
Type: handler,
Metadata: md,
}
svc.Listener = &config.ListenerConfig{
Type: listener,
Metadata: md,
}
}
func normChain(chain *config.ChainConfig) {
for _, hop := range chain.Hops {
for _, node := range hop.Nodes {
if node.URL == "" {
continue
}
u, _ := url.Parse(node.URL)
var connector, dialer string
schemes := strings.Split(u.Scheme, "+")
if len(schemes) == 1 {
connector = schemes[0]
dialer = schemes[0]
}
if len(schemes) == 2 {
connector = schemes[0]
dialer = schemes[1]
}
md := make(map[string]interface{})
for k, v := range u.Query() {
if len(v) > 0 {
md[k] = v[0]
}
}
if u.User != nil {
md["user"] = u.User.String()
}
md["serverName"] = u.Host
node.Addr = u.Host
if c := registry.GetConnector(connector); c == nil {
connector = "http"
}
if d := registry.GetDialer(dialer); d == nil {
dialer = "tcp"
if connector == "ssu" {
dialer = "udp"
}
}
node.Connector = &config.ConnectorConfig{
Type: connector,
Metadata: md,
}
node.Dialer = &config.DialerConfig{
Type: dialer,
Metadata: md,
}
}
}
}