1 files changed, 116 insertions, 0 deletions

diff --git a/vendor/github.com/minio/minio-go/v7/api-stat.go b/vendor/github.com/minio/minio-go/v7/api-stat.go
new file mode 100644
index 0000000..b043dc4
--- /dev/null
+++ b/vendor/github.com/minio/minio-go/v7/api-stat.go
@@ -0,0 +1,116 @@
+/*
+ * MinIO Go Library for Amazon S3 Compatible Cloud Storage
+ * Copyright 2015-2020 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/v7/pkg/s3utils"
+)
+
+// BucketExists verifies if bucket exists and you have permission to access it. Allows for a Context to
+// control cancellations and timeouts.
+func (c *Client) BucketExists(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, http.MethodHead, 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, you have permission to access it
+// and returns information about the object.
+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
+        }
+        headers := opts.Header()
+        if opts.Internal.ReplicationDeleteMarker {
+                headers.Set(minIOBucketReplicationDeleteMarker, "true")
+        }
+        if opts.Internal.IsReplicationReadyForDeleteMarker {
+                headers.Set(isMinioTgtReplicationReady, "true")
+        }
+
+        // Execute HEAD on objectName.
+        resp, err := c.executeMethod(ctx, http.MethodHead, requestMetadata{
+                bucketName:       bucketName,
+                objectName:       objectName,
+                queryValues:      opts.toQueryValues(),
+                contentSHA256Hex: emptySHA256Hex,
+                customHeader:     headers,
+        })
+        defer closeResponse(resp)
+        if err != nil {
+                return ObjectInfo{}, err
+        }
+
+        if resp != nil {
+                deleteMarker := resp.Header.Get(amzDeleteMarker) == "true"
+                replicationReady := resp.Header.Get(minioTgtReplicationReady) == "true"
+                if resp.StatusCode != http.StatusOK && resp.StatusCode != http.StatusPartialContent {
+                        if resp.StatusCode == http.StatusMethodNotAllowed && opts.VersionID != "" && deleteMarker {
+                                errResp := ErrorResponse{
+                                        StatusCode: resp.StatusCode,
+                                        Code:       "MethodNotAllowed",
+                                        Message:    "The specified method is not allowed against this resource.",
+                                        BucketName: bucketName,
+                                        Key:        objectName,
+                                }
+                                return ObjectInfo{
+                                        VersionID:      resp.Header.Get(amzVersionID),
+                                        IsDeleteMarker: deleteMarker,
+                                }, errResp
+                        }
+                        return ObjectInfo{
+                                VersionID:        resp.Header.Get(amzVersionID),
+                                IsDeleteMarker:   deleteMarker,
+                                ReplicationReady: replicationReady, // whether delete marker can be replicated
+                        }, httpRespToErrorResponse(resp, bucketName, objectName)
+                }
+        }
+
+        return ToObjectInfo(bucketName, objectName, resp.Header)
+}