fix: passthrough the minimum password length (#5236)

errors/errors.go

@@ -1,13 +1,16 @@
 package errors
 
-import "errors"
+import (
+	"errors"
+	"fmt"
+)
 
 var (
 	ErrEmptyKey             = errors.New("empty key")
 	ErrExist                = errors.New("the resource already exists")
 	ErrNotExist             = errors.New("the resource does not exist")
 	ErrEmptyPassword        = errors.New("password is empty")
-	ErrShortPassword        = errors.New("password is too short")
+	ErrEasyPassword         = errors.New("password is too easy")
 	ErrEmptyUsername        = errors.New("username is empty")
 	ErrEmptyRequest         = errors.New("empty request")
 	ErrScopeIsRelative      = errors.New("scope is a relative path")
@@ -20,3 +23,11 @@ var (
 	ErrSourceIsParent       = errors.New("source is parent")
 	ErrRootUserDeletion     = errors.New("user with id 1 can't be deleted")
 )
+
+type ErrShortPassword struct {
+	MinimumLength uint
+}
+
+func (e ErrShortPassword) Error() string {
+	return fmt.Sprintf("password is too short, minimum length is %d", e.MinimumLength)
+}