1 files changed, 127 insertions, 0 deletions
diff --git a/vendor/github.com/minio/minio-go/v7/api-get-object-file.go b/vendor/github.com/minio/minio-go/v7/api-get-object-file.go
new file mode 100644
index 00000000..bccff457
--- /dev/null
+++ b/vendor/github.com/minio/minio-go/v7/api-get-object-file.go
@@ -0,0 +1,127 @@
+/*
+ * 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"
+	"io"
+	"os"
+	"path/filepath"
+
+	"github.com/minio/minio-go/v7/pkg/s3utils"
+)
+
+// FGetObject - download contents of an object to a local file.
+// The options can be used to specify the GET request further.
+func (c Client) FGetObject(ctx context.Context, bucketName, objectName, filePath string, opts GetObjectOptions) error {
+	// Input validation.
+	if err := s3utils.CheckValidBucketName(bucketName); err != nil {
+		return err
+	}
+	if err := s3utils.CheckValidObjectName(objectName); err != nil {
+		return err
+	}
+
+	// Verify if destination already exists.
+	st, err := os.Stat(filePath)
+	if err == nil {
+		// If the destination exists and is a directory.
+		if st.IsDir() {
+			return errInvalidArgument("fileName is a directory.")
+		}
+	}
+
+	// Proceed if file does not exist. return for all other errors.
+	if err != nil {
+		if !os.IsNotExist(err) {
+			return err
+		}
+	}
+
+	// Extract top level directory.
+	objectDir, _ := filepath.Split(filePath)
+	if objectDir != "" {
+		// Create any missing top level directories.
+		if err := os.MkdirAll(objectDir, 0700); err != nil {
+			return err
+		}
+	}
+
+	// Gather md5sum.
+	objectStat, err := c.StatObject(ctx, bucketName, objectName, StatObjectOptions(opts))
+	if err != nil {
+		return err
+	}
+
+	// Write to a temporary file "fileName.part.minio" before saving.
+	filePartPath := filePath + objectStat.ETag + ".part.minio"
+
+	// If exists, open in append mode. If not create it as a part file.
+	filePart, err := os.OpenFile(filePartPath, os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0600)
+	if err != nil {
+		return err
+	}
+
+	// If we return early with an error, be sure to close and delete
+	// filePart.  If we have an error along the way there is a chance
+	// that filePart is somehow damaged, and we should discard it.
+	closeAndRemove := true
+	defer func() {
+		if closeAndRemove {
+			_ = filePart.Close()
+			_ = os.Remove(filePartPath)
+		}
+	}()
+
+	// Issue Stat to get the current offset.
+	st, err = filePart.Stat()
+	if err != nil {
+		return err
+	}
+
+	// Initialize get object request headers to set the
+	// appropriate range offsets to read from.
+	if st.Size() > 0 {
+		opts.SetRange(st.Size(), 0)
+	}
+
+	// Seek to current position for incoming reader.
+	objectReader, objectStat, _, err := c.getObject(ctx, bucketName, objectName, opts)
+	if err != nil {
+		return err
+	}
+
+	// Write to the part file.
+	if _, err = io.CopyN(filePart, objectReader, objectStat.Size); err != nil {
+		return err
+	}
+
+	// Close the file before rename, this is specifically needed for Windows users.
+	closeAndRemove = false
+	if err = filePart.Close(); err != nil {
+		return err
+	}
+
+	// Safely completed. Now commit by renaming to actual filename.
+	if err = os.Rename(filePartPath, filePath); err != nil {
+		return err
+	}
+
+	// Return.
+	return nil
+}