Refacture structure proposal. (#1793)

command/config-utils.go

@@ -0,0 +1,67 @@
+/*
+ * Minio Client (C) 2015, 2016 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 command
+
+import (
+	"regexp"
+	"strings"
+)
+
+var validAPIs = []string{"S3v4", "S3v2"}
+
+// isValidSecretKey - validate secret key.
+func isValidSecretKey(secretKey string) bool {
+	if secretKey == "" {
+		return true
+	}
+	regex := regexp.MustCompile(`.{8,40}$`)
+	return regex.MatchString(secretKey) && !strings.ContainsAny(secretKey, "$%^~`!|&*#@")
+}
+
+// isValidAccessKey - validate access key.
+func isValidAccessKey(accessKey string) bool {
+	if accessKey == "" {
+		return true
+	}
+	regex := regexp.MustCompile(`.{5,40}$`)
+	return regex.MatchString(accessKey) && !strings.ContainsAny(accessKey, "$%^~`!|&*#@")
+}
+
+// isValidHostURL - validate input host url.
+func isValidHostURL(hostURL string) bool {
+	if strings.TrimSpace(hostURL) == "" {
+		return false
+	}
+	url := newClientURL(hostURL)
+	if url.Scheme != "https" && url.Scheme != "http" {
+		return false
+	}
+	if url.Path != "" && url.Path != "/" {
+		return false
+	}
+	return true
+}
+
+// isValidAPI - Validates if API signature string of supported type.
+func isValidAPI(api string) bool {
+	switch strings.ToLower(api) {
+	case "s3v2", "s3v4":
+		return true
+	default:
+		return false
+	}
+}