Files
x/handler/socks/v4/metadata.go
T
2025-01-20 23:22:58 +08:00

80 lines
2.2 KiB
Go

package v4
import (
"crypto"
"crypto/tls"
"crypto/x509"
"time"
"github.com/go-gost/core/bypass"
mdata "github.com/go-gost/core/metadata"
mdutil "github.com/go-gost/x/metadata/util"
"github.com/go-gost/x/registry"
)
type metadata struct {
readTimeout time.Duration
hash string
observerPeriod time.Duration
observerResetTraffic bool
sniffing bool
sniffingTimeout time.Duration
sniffingWebsocket bool
sniffingWebsocketSampleRate float64
certificate *x509.Certificate
privateKey crypto.PrivateKey
alpn string
mitmBypass bypass.Bypass
limiterRefreshInterval time.Duration
limiterCleanupInterval time.Duration
}
func (h *socks4Handler) parseMetadata(md mdata.Metadata) (err error) {
h.md.readTimeout = mdutil.GetDuration(md, "readTimeout")
if h.md.readTimeout <= 0 {
h.md.readTimeout = 15 * time.Second
}
h.md.hash = mdutil.GetString(md, "hash")
h.md.observerPeriod = mdutil.GetDuration(md, "observePeriod", "observer.period", "observer.observePeriod")
if h.md.observerPeriod == 0 {
h.md.observerPeriod = 5 * time.Second
}
if h.md.observerPeriod < time.Second {
h.md.observerPeriod = time.Second
}
h.md.observerResetTraffic = mdutil.GetBool(md, "observer.resetTraffic")
h.md.sniffing = mdutil.GetBool(md, "sniffing")
h.md.sniffingTimeout = mdutil.GetDuration(md, "sniffing.timeout")
h.md.sniffingWebsocket = mdutil.GetBool(md, "sniffing.websocket")
h.md.sniffingWebsocketSampleRate = mdutil.GetFloat(md, "sniffing.websocket.sampleRate")
certFile := mdutil.GetString(md, "mitm.certFile", "mitm.caCertFile")
keyFile := mdutil.GetString(md, "mitm.keyFile", "mitm.caKeyFile")
if certFile != "" && keyFile != "" {
tlsCert, err := tls.LoadX509KeyPair(certFile, keyFile)
if err != nil {
return err
}
h.md.certificate, err = x509.ParseCertificate(tlsCert.Certificate[0])
if err != nil {
return err
}
h.md.privateKey = tlsCert.PrivateKey
}
h.md.alpn = mdutil.GetString(md, "mitm.alpn")
h.md.mitmBypass = registry.BypassRegistry().Get(mdutil.GetString(md, "mitm.bypass"))
h.md.limiterRefreshInterval = mdutil.GetDuration(md, "limiter.refreshInterval")
h.md.limiterCleanupInterval = mdutil.GetDuration(md, "limiter.cleanupInterval")
return
}