initial commit

internal/http/util.go

@@ -0,0 +1,21 @@
+package http
+
+func hasAnyGroup(user map[string]struct{}, want []string) bool {
+	if len(want) == 0 {
+		return false
+	}
+	for _, g := range want {
+		if _, ok := user[g]; ok {
+			return true
+		}
+	}
+	return false
+}
+
+func toSet(ss []string) map[string]struct{} {
+	m := make(map[string]struct{}, len(ss))
+	for _, s := range ss {
+		m[s] = struct{}{}
+	}
+	return m
+}