55 lines
1.0 KiB
Go
55 lines
1.0 KiB
Go
package ss
|
|
|
|
import (
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/go-gost/gost/pkg/common/util/ss"
|
|
md "github.com/go-gost/gost/pkg/metadata"
|
|
"github.com/shadowsocks/go-shadowsocks2/core"
|
|
)
|
|
|
|
type metadata struct {
|
|
cipher core.Cipher
|
|
connectTimeout time.Duration
|
|
udpBufferSize int
|
|
}
|
|
|
|
func (c *ssuConnector) parseMetadata(md md.Metadata) (err error) {
|
|
const (
|
|
user = "user"
|
|
key = "key"
|
|
connectTimeout = "timeout"
|
|
udpBufferSize = "udpBufferSize" // udp buffer size
|
|
)
|
|
|
|
var method, password string
|
|
if v := md.GetString(user); v != "" {
|
|
ss := strings.SplitN(v, ":", 2)
|
|
if len(ss) == 1 {
|
|
method = ss[0]
|
|
} else {
|
|
method, password = ss[0], ss[1]
|
|
}
|
|
}
|
|
c.md.cipher, err = ss.ShadowCipher(method, password, md.GetString(key))
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
c.md.connectTimeout = md.GetDuration(connectTimeout)
|
|
|
|
if c.md.udpBufferSize > 0 {
|
|
if c.md.udpBufferSize < 512 {
|
|
c.md.udpBufferSize = 512
|
|
}
|
|
if c.md.udpBufferSize > 65*1024 {
|
|
c.md.udpBufferSize = 65 * 1024
|
|
}
|
|
} else {
|
|
c.md.udpBufferSize = 4096
|
|
}
|
|
|
|
return
|
|
}
|