alist/internal/sign/sign.go

42 lines
841 B
Go

package sign
import (
"sync"
"time"
"github.com/alist-org/alist/v3/internal/conf"
"github.com/alist-org/alist/v3/internal/setting"
"github.com/alist-org/alist/v3/pkg/sign"
)
var once sync.Once
var instance sign.Sign
func Sign(data string) string {
expire := setting.GetInt(conf.LinkExpiration, 0)
if expire == 0 {
return NotExpired(data)
} else {
return WithDuration(data, time.Duration(expire)*time.Hour)
}
}
func WithDuration(data string, d time.Duration) string {
once.Do(Instance)
return instance.Sign(data, time.Now().Add(d).Unix())
}
func NotExpired(data string) string {
once.Do(Instance)
return instance.Sign(data, 0)
}
func Verify(data string, sign string) error {
once.Do(Instance)
return instance.Verify(data, sign)
}
func Instance() {
instance = sign.NewHMACSign([]byte(setting.GetStr(conf.Token)))
}