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gitea/vendor/github.com/ngaut/go-zookeeper/zk/util.go

40 lines
1.2 KiB

package zk
import (
"crypto/sha1"
"encoding/base64"
"fmt"
"math/rand"
)
// AuthACL produces an ACL list containing a single ACL which uses the
// provided permissions, with the scheme "auth", and ID "", which is used
// by ZooKeeper to represent any authenticated user.
func AuthACL(perms int32) []ACL {
return []ACL{{perms, "auth", ""}}
}
// WorldACL produces an ACL list containing a single ACL which uses the
// provided permissions, with the scheme "world", and ID "anyone", which
// is used by ZooKeeper to represent any user at all.
func WorldACL(perms int32) []ACL {
return []ACL{{perms, "world", "anyone"}}
}
func DigestACL(perms int32, user, password string) []ACL {
userPass := []byte(fmt.Sprintf("%s:%s", user, password))
h := sha1.New()
if n, err := h.Write(userPass); err != nil || n != len(userPass) {
panic("SHA1 failed")
}
digest := base64.StdEncoding.EncodeToString(h.Sum(nil))
return []ACL{{perms, "digest", fmt.Sprintf("%s:%s", user, digest)}}
}
// stringShuffle performs a Fisher-Yates shuffle on a slice of strings
func stringShuffle(s []string) {
for i := len(s) - 1; i > 0; i-- {
j := rand.Intn(i + 1)
s[i], s[j] = s[j], s[i]
}
}