vendor: update all dependencies

vendor/github.com/minio/minio-go/v6/api-stat.go

@@ -0,0 +1,110 @@
+/*
+ * MinIO Go Library for Amazon S3 Compatible Cloud Storage
+ * Copyright 2015-2017 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 minio
+
+import (
+	"context"
+	"net/http"
+
+	"github.com/minio/minio-go/v6/pkg/s3utils"
+)
+
+// BucketExists verify if bucket exists and you have permission to access it.
+func (c Client) BucketExists(bucketName string) (bool, error) {
+	return c.BucketExistsWithContext(context.Background(), bucketName)
+}
+
+// BucketExistsWithContext verify if bucket exists and you have permission to access it. Allows for a Context to
+// control cancellations and timeouts.
+func (c Client) BucketExistsWithContext(ctx context.Context, bucketName string) (bool, error) {
+	// Input validation.
+	if err := s3utils.CheckValidBucketName(bucketName); err != nil {
+		return false, err
+	}
+
+	// Execute HEAD on bucketName.
+	resp, err := c.executeMethod(ctx, "HEAD", requestMetadata{
+		bucketName:       bucketName,
+		contentSHA256Hex: emptySHA256Hex,
+	})
+	defer closeResponse(resp)
+	if err != nil {
+		if ToErrorResponse(err).Code == "NoSuchBucket" {
+			return false, nil
+		}
+		return false, err
+	}
+	if resp != nil {
+		resperr := httpRespToErrorResponse(resp, bucketName, "")
+		if ToErrorResponse(resperr).Code == "NoSuchBucket" {
+			return false, nil
+		}
+		if resp.StatusCode != http.StatusOK {
+			return false, httpRespToErrorResponse(resp, bucketName, "")
+		}
+	}
+	return true, nil
+}
+
+// StatObject verifies if object exists and you have permission to access.
+func (c Client) StatObject(bucketName, objectName string, opts StatObjectOptions) (ObjectInfo, error) {
+	return c.StatObjectWithContext(context.Background(), bucketName, objectName, opts)
+}
+
+// StatObjectWithContext verifies if object exists and you have permission to access with a context to control
+// cancellations and timeouts.
+func (c Client) StatObjectWithContext(ctx context.Context, bucketName, objectName string, opts StatObjectOptions) (ObjectInfo, error) {
+	// Input validation.
+	if err := s3utils.CheckValidBucketName(bucketName); err != nil {
+		return ObjectInfo{}, err
+	}
+	if err := s3utils.CheckValidObjectName(objectName); err != nil {
+		return ObjectInfo{}, err
+	}
+	return c.statObject(ctx, bucketName, objectName, opts)
+}
+
+// Lower level API for statObject supporting pre-conditions and range headers.
+func (c Client) statObject(ctx context.Context, bucketName, objectName string, opts StatObjectOptions) (ObjectInfo, error) {
+	// Input validation.
+	if err := s3utils.CheckValidBucketName(bucketName); err != nil {
+		return ObjectInfo{}, err
+	}
+	if err := s3utils.CheckValidObjectName(objectName); err != nil {
+		return ObjectInfo{}, err
+	}
+
+	// Execute HEAD on objectName.
+	resp, err := c.executeMethod(ctx, "HEAD", requestMetadata{
+		bucketName:       bucketName,
+		objectName:       objectName,
+		contentSHA256Hex: emptySHA256Hex,
+		customHeader:     opts.Header(),
+	})
+	defer closeResponse(resp)
+	if err != nil {
+		return ObjectInfo{}, err
+	}
+	if resp != nil {
+		if resp.StatusCode != http.StatusOK && resp.StatusCode != http.StatusPartialContent {
+			return ObjectInfo{}, httpRespToErrorResponse(resp, bucketName, objectName)
+		}
+	}
+
+	return ToObjectInfo(bucketName, objectName, resp.Header)
+}