mirror of
https://github.com/e1732a364fed/v2ray_simple.git
synced 2025-10-31 12:06:21 +08:00
99 lines
1.9 KiB
Go
99 lines
1.9 KiB
Go
package proxy
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import (
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"crypto/md5"
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"encoding/hex"
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"errors"
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"io"
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"strings"
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)
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type User interface {
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GetIdentityStr() string //每个user唯一，通过比较这个string 即可 判断两个User 是否相等
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GetIdentityBytes() []byte
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}
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type UserClient interface {
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Client
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GetUser() User
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}
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type UserContainer interface {
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GetUserByStr(idStr string) User
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GetUserByBytes(bs []byte) User
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//tlsLayer.UserHaser
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HasUserByBytes(bs []byte) bool
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UserBytesLen() int
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}
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// 可以控制 User 登入和登出 的接口, 就像一辆公交车一样，或者一座航站楼
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type UserBus interface {
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AddUser(User) error
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DelUser(User)
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}
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type UserServer interface {
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Server
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UserContainer
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}
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type UserConn interface {
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io.ReadWriter
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User
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GetProtocolVersion() int
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}
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//一种专门用于v2ray协议族(vmess/vless)的 用于标识用户的符号 , 实现 User 接口
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type V2rayUser [16]byte
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func (u V2rayUser) GetIdentityStr() string {
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return UUIDToStr(u)
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}
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func (u V2rayUser) GetIdentityBytes() []byte {
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return u[:]
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}
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func NewV2rayUser(s string) (*V2rayUser, error) {
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uuid, err := StrToUUID(s)
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if err != nil {
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return nil, err
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}
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return (*V2rayUser)(&uuid), nil
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}
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func StrToUUID(s string) (uuid [16]byte, err error) {
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b := []byte(strings.Replace(s, "-", "", -1))
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if len(b) != 32 {
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return uuid, errors.New("invalid UUID: " + s)
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}
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_, err = hex.Decode(uuid[:], b)
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return
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}
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func UUIDToStr(u [16]byte) string {
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buf := make([]byte, 36)
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hex.Encode(buf[0:8], u[0:4])
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buf[8] = '-'
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hex.Encode(buf[9:13], u[4:6])
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buf[13] = '-'
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hex.Encode(buf[14:18], u[6:8])
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buf[18] = '-'
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hex.Encode(buf[19:23], u[8:10])
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buf[23] = '-'
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hex.Encode(buf[24:], u[10:])
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return string(buf)
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}
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// GetKey returns the key of AES-128-CFB encrypter
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// Key：MD5(UUID + []byte('c48619fe-8f02-49e0-b9e9-edf763e17e21'))
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func Get_cmdKey(uuid [16]byte) []byte {
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md5hash := md5.New()
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md5hash.Write(uuid[:])
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md5hash.Write([]byte("c48619fe-8f02-49e0-b9e9-edf763e17e21"))
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return md5hash.Sum(nil)
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}
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