Rename mc --> cmd

cmd/utils.go

@@ -0,0 +1,42 @@
+/*
+ * Minio Client (C) 2015 Minio, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package cmd
+
+import (
+	"math/rand"
+	"path/filepath"
+	"time"
+)
+
+var letters = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
+
+// newRandomID generates a random id of regular lower case and uppercase english characters.
+func newRandomID(n int) string {
+	rand.Seed(time.Now().UTC().UnixNano())
+	sid := make([]rune, n)
+	for i := range sid {
+		sid[i] = letters[rand.Intn(len(letters))]
+	}
+	return string(sid)
+}
+
+// isBucketVirtualStyle is host virtual bucket style?.
+func isBucketVirtualStyle(host string) bool {
+	s3Virtual, _ := filepath.Match("*.s3*.amazonaws.com", host)
+	googleVirtual, _ := filepath.Match("*.storage.googleapis.com", host)
+	return s3Virtual || googleVirtual
+}