Restructure API handlers, add JSON RPC simple HelloService right now.

pkg/server/api/utils.go

@@ -0,0 +1,81 @@
+/*
+ * Minimalist Object Storage, (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 api
+
+import (
+	"encoding/base64"
+	"strconv"
+	"strings"
+)
+
+// isValidMD5 - verify if valid md5
+func isValidMD5(md5 string) bool {
+	if md5 == "" {
+		return true
+	}
+	_, err := base64.StdEncoding.DecodeString(strings.TrimSpace(md5))
+	if err != nil {
+		return false
+	}
+	return true
+}
+
+/// http://docs.aws.amazon.com/AmazonS3/latest/dev/UploadingObjects.html
+const (
+	// maximum object size per PUT request is 5GB
+	maxObjectSize = 1024 * 1024 * 1024 * 5
+	// mimimum object size per Multipart PUT request is 5MB
+	minMultiPartObjectSize = 1024 * 1024 * 5
+	// minimum object size per PUT request is 1B
+	minObjectSize = 1
+)
+
+// isMaxObjectSize - verify if max object size
+func isMaxObjectSize(size string) bool {
+	i, err := strconv.ParseInt(size, 10, 64)
+	if err != nil {
+		return true
+	}
+	if i > maxObjectSize {
+		return true
+	}
+	return false
+}
+
+// isMinObjectSize - verify if min object size
+func isMinObjectSize(size string) bool {
+	i, err := strconv.ParseInt(size, 10, 64)
+	if err != nil {
+		return true
+	}
+	if i < minObjectSize {
+		return true
+	}
+	return false
+}
+
+// isMinMultipartObjectSize - verify if the uploaded multipart is of minimum size
+func isMinMultipartObjectSize(size string) bool {
+	i, err := strconv.ParseInt(size, 10, 64)
+	if err != nil {
+		return true
+	}
+	if i < minMultiPartObjectSize {
+		return true
+	}
+	return false
+}