forked from x/icebergs
91 lines
2.7 KiB
Go
91 lines
2.7 KiB
Go
package aaa
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import (
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"bytes"
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"crypto/hmac"
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"crypto/sha1"
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"encoding/base32"
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"encoding/binary"
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"math"
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"strings"
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"time"
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ice "shylinux.com/x/icebergs"
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"shylinux.com/x/icebergs/base/mdb"
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kit "shylinux.com/x/toolkits"
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)
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func _totp_gen(per int64) string {
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buf := bytes.NewBuffer([]byte{})
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binary.Write(buf, binary.BigEndian, time.Now().Unix()/per)
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b := hmac.New(sha1.New, buf.Bytes()).Sum(nil)
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return strings.ToUpper(base32.StdEncoding.EncodeToString(b[:]))
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}
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func _totp_get(key string, num int, per int64) string {
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now := kit.Int64(time.Now().Unix() / per)
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buf := []byte{}
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for i := 0; i < 8; i++ {
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buf = append(buf, byte((uint64(now) >> uint64(((7 - i) * 8)))))
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}
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if l := len(key) % 8; l != 0 {
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key += strings.Repeat("=", 8-l)
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}
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s, _ := base32.StdEncoding.DecodeString(strings.ToUpper(key))
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hm := hmac.New(sha1.New, s)
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hm.Write(buf)
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b := hm.Sum(nil)
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n := b[len(b)-1] & 0x0F
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res := int64(b[n]&0x7F)<<24 | int64(b[n+1]&0xFF)<<16 | int64(b[n+2]&0xFF)<<8 | int64(b[n+3]&0xFF)
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return kit.Format(kit.Format("%%0%dd", num), res%int64(math.Pow10(num)))
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}
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func TOTP_GET(key string, num int, per int64) string { return _totp_get(key, num, per) }
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const (
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SECRET = "secret"
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PERIOD = "period"
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NUMBER = "number"
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)
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const TOTP = "totp"
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func init() {
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Index.Merge(&ice.Context{Configs: map[string]*ice.Config{
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TOTP: {Name: TOTP, Help: "动态令牌", Value: kit.Data(
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kit.MDB_SHORT, kit.MDB_NAME, kit.MDB_FIELD, "time,name,secret,period,number",
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kit.MDB_LINK, "otpauth://totp/%s?secret=%s",
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)},
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}, Commands: map[string]*ice.Command{
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TOTP: {Name: "totp name auto create", Help: "动态令牌", Action: ice.MergeAction(map[string]*ice.Action{
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mdb.CREATE: {Name: "create name secret period=30 number=6", Help: "添加", Hand: func(m *ice.Message, arg ...string) {
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if m.Option(SECRET) == "" { // 创建密钥
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m.Option(SECRET, _totp_gen(kit.Int64(m.Option(PERIOD))))
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}
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m.Cmd(mdb.INSERT, TOTP, "", mdb.HASH, m.OptionSimple(kit.MDB_NAME, SECRET, PERIOD, NUMBER))
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}},
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}, mdb.HashAction()), Hand: func(m *ice.Message, c *ice.Context, cmd string, arg ...string) {
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mdb.HashSelect(m.Spawn(c), arg...).Table(func(index int, value map[string]string, head []string) {
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if len(arg) > 0 {
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m.OptionFields("detail")
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}
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m.Push(kit.MDB_TIME, m.Time())
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m.Push(kit.MDB_NAME, value[kit.MDB_NAME])
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period := kit.Int64(value[PERIOD])
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m.Push("rest", period-time.Now().Unix()%period)
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m.Push("code", _totp_get(value[SECRET], kit.Int(value[NUMBER]), period))
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if len(arg) > 0 {
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m.PushQRCode("scan", kit.Format(m.Config(kit.MDB_LINK), value[kit.MDB_NAME], value[SECRET]))
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m.Echo(_totp_get(value[SECRET], kit.Int(value[NUMBER]), kit.Int64(value[PERIOD])))
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}
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})
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m.PushAction(mdb.REMOVE)
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}},
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}})
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}
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