Implement Alibaba Cloud OSS gateway support (#5103)

cmd/gateway/oss/gateway-oss-anonymous.go

@@ -0,0 +1,54 @@
+/*
+ * Minio Cloud Storage, (C) 2017 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 oss
+
+import (
+	"io"
+
+	minio "github.com/minio/minio/cmd"
+	"github.com/minio/minio/pkg/hash"
+)
+
+// AnonPutObject creates a new object anonymously with the incoming data,
+func (l *ossObjects) AnonPutObject(bucket, object string, data *hash.Reader, metadata map[string]string) (objInfo minio.ObjectInfo, err error) {
+	return ossPutObject(l.anonClient, bucket, object, data, metadata)
+}
+
+// AnonGetObject - Get object anonymously
+func (l *ossObjects) AnonGetObject(bucket, key string, startOffset, length int64, writer io.Writer) error {
+	return ossGetObject(l.anonClient, bucket, key, startOffset, length, writer)
+}
+
+// AnonGetObjectInfo - Get object info anonymously
+func (l *ossObjects) AnonGetObjectInfo(bucket, object string) (objInfo minio.ObjectInfo, err error) {
+	return ossGetObjectInfo(l.anonClient, bucket, object)
+}
+
+// AnonListObjects lists objects anonymously.
+func (l *ossObjects) AnonListObjects(bucket, prefix, marker, delimiter string, maxKeys int) (loi minio.ListObjectsInfo, err error) {
+	return ossListObjects(l.anonClient, bucket, prefix, marker, delimiter, maxKeys)
+}
+
+// AnonListObjectsV2 lists objects in V2 mode, anonymously.
+func (l *ossObjects) AnonListObjectsV2(bucket, prefix, continuationToken, delimiter string, maxKeys int, fetchOwner bool, startAfter string) (loi minio.ListObjectsV2Info, err error) {
+	return ossListObjectsV2(l.anonClient, bucket, prefix, continuationToken, delimiter, maxKeys, fetchOwner, startAfter)
+}
+
+// AnonGetBucketInfo gets bucket metadata anonymously.
+func (l *ossObjects) AnonGetBucketInfo(bucket string) (bi minio.BucketInfo, err error) {
+	return ossGeBucketInfo(l.anonClient, bucket)
+}