x/config/parsing/hop/parse.go
2024-06-21 23:38:18 +08:00

145 lines
3.5 KiB
Go

package hop
import (
"crypto/tls"
"strings"
"github.com/go-gost/core/bypass"
"github.com/go-gost/core/chain"
"github.com/go-gost/core/hop"
"github.com/go-gost/core/logger"
mdutil "github.com/go-gost/core/metadata/util"
"github.com/go-gost/x/config"
"github.com/go-gost/x/config/parsing"
bypass_parser "github.com/go-gost/x/config/parsing/bypass"
node_parser "github.com/go-gost/x/config/parsing/node"
selector_parser "github.com/go-gost/x/config/parsing/selector"
xhop "github.com/go-gost/x/hop"
hop_plugin "github.com/go-gost/x/hop/plugin"
"github.com/go-gost/x/internal/loader"
"github.com/go-gost/x/internal/plugin"
"github.com/go-gost/x/metadata"
)
func ParseHop(cfg *config.HopConfig, log logger.Logger) (hop.Hop, error) {
if cfg == nil {
return nil, nil
}
if cfg.Plugin != nil {
var tlsCfg *tls.Config
if cfg.Plugin.TLS != nil {
tlsCfg = &tls.Config{
ServerName: cfg.Plugin.TLS.ServerName,
InsecureSkipVerify: !cfg.Plugin.TLS.Secure,
}
}
switch strings.ToLower(cfg.Plugin.Type) {
case plugin.HTTP:
return hop_plugin.NewHTTPPlugin(
cfg.Name, cfg.Plugin.Addr,
plugin.TLSConfigOption(tlsCfg),
plugin.TimeoutOption(cfg.Plugin.Timeout),
), nil
default:
return hop_plugin.NewGRPCPlugin(
cfg.Name, cfg.Plugin.Addr,
plugin.TokenOption(cfg.Plugin.Token),
plugin.TLSConfigOption(tlsCfg),
), nil
}
}
ifce := cfg.Interface
var netns string
if cfg.Metadata != nil {
md := metadata.NewMetadata(cfg.Metadata)
if v := mdutil.GetString(md, parsing.MDKeyInterface); v != "" {
ifce = v
}
netns = mdutil.GetString(md, "netns")
}
var nodes []*chain.Node
for _, v := range cfg.Nodes {
if v == nil {
continue
}
if v.Resolver == "" {
v.Resolver = cfg.Resolver
}
if v.Hosts == "" {
v.Hosts = cfg.Hosts
}
if v.Interface == "" {
v.Interface = ifce
}
if v.Netns == "" {
v.Netns = netns
}
if v.SockOpts == nil {
v.SockOpts = cfg.SockOpts
}
if v.Connector == nil {
v.Connector = &config.ConnectorConfig{}
}
if strings.TrimSpace(v.Connector.Type) == "" {
v.Connector.Type = "http"
}
if v.Dialer == nil {
v.Dialer = &config.DialerConfig{}
}
if strings.TrimSpace(v.Dialer.Type) == "" {
v.Dialer.Type = "tcp"
}
node, err := node_parser.ParseNode(cfg.Name, v, log)
if err != nil {
return nil, err
}
if node != nil {
nodes = append(nodes, node)
}
}
sel := selector_parser.ParseNodeSelector(cfg.Selector)
if sel == nil {
sel = selector_parser.DefaultNodeSelector()
}
opts := []xhop.Option{
xhop.NameOption(cfg.Name),
xhop.NodeOption(nodes...),
xhop.SelectorOption(sel),
xhop.BypassOption(bypass.BypassGroup(bypass_parser.List(cfg.Bypass, cfg.Bypasses...)...)),
xhop.ReloadPeriodOption(cfg.Reload),
xhop.LoggerOption(log.WithFields(map[string]any{
"kind": "hop",
"hop": cfg.Name,
})),
}
if cfg.File != nil && cfg.File.Path != "" {
opts = append(opts, xhop.FileLoaderOption(loader.FileLoader(cfg.File.Path)))
}
if cfg.Redis != nil && cfg.Redis.Addr != "" {
opts = append(opts, xhop.RedisLoaderOption(loader.RedisStringLoader(
cfg.Redis.Addr,
loader.DBRedisLoaderOption(cfg.Redis.DB),
loader.PasswordRedisLoaderOption(cfg.Redis.Password),
loader.KeyRedisLoaderOption(cfg.Redis.Key),
)))
}
if cfg.HTTP != nil && cfg.HTTP.URL != "" {
opts = append(opts, xhop.HTTPLoaderOption(loader.HTTPLoader(
cfg.HTTP.URL,
loader.TimeoutHTTPLoaderOption(cfg.HTTP.Timeout),
)))
}
return xhop.NewHop(opts...), nil
}