54 lines
1.1 KiB
Go
54 lines
1.1 KiB
Go
package ss
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import (
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"math"
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"strings"
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"time"
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"github.com/go-gost/gost/pkg/common/util/ss"
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mdata "github.com/go-gost/gost/pkg/metadata"
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"github.com/shadowsocks/go-shadowsocks2/core"
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)
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type metadata struct {
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cipher core.Cipher
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readTimeout time.Duration
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retryCount int
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bufferSize int
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}
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func (h *ssuHandler) parseMetadata(md mdata.Metadata) (err error) {
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const (
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users = "users"
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key = "key"
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readTimeout = "readTimeout"
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retryCount = "retry"
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bufferSize = "bufferSize"
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)
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var method, password string
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if auths := mdata.GetStrings(md, users); len(auths) > 0 {
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auth := auths[0]
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ss := strings.SplitN(auth, ":", 2)
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if len(ss) == 1 {
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method = ss[0]
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} else {
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method, password = ss[0], ss[1]
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}
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}
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h.md.cipher, err = ss.ShadowCipher(method, password, mdata.GetString(md, key))
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if err != nil {
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return
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}
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h.md.readTimeout = mdata.GetDuration(md, readTimeout)
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h.md.retryCount = mdata.GetInt(md, retryCount)
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if bs := mdata.GetInt(md, bufferSize); bs > 0 {
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h.md.bufferSize = int(math.Min(math.Max(float64(bs), 512), 64*1024))
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} else {
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h.md.bufferSize = 1024
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}
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return
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}
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