restic/vendor/github.com/minio/minio-go/api-put-object-file.go

/*
 * Minio Go Library for Amazon S3 Compatible Cloud Storage (C) 2015, 2016 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 (
	"mime"
	"os"
	"path/filepath"

	"github.com/minio/minio-go/pkg/s3utils"
)

// FPutObject - Create an object in a bucket, with contents from file at filePath.
func (c Client) FPutObject(bucketName, objectName, filePath, contentType string) (n int64, err error) {
	// Input validation.
	if err := s3utils.CheckValidBucketName(bucketName); err != nil {
		return 0, err
	}
	if err := s3utils.CheckValidObjectName(objectName); err != nil {
		return 0, err
	}

	// Open the referenced file.
	fileReader, err := os.Open(filePath)
	// If any error fail quickly here.
	if err != nil {
		return 0, err
	}
	defer fileReader.Close()

	// Save the file stat.
	fileStat, err := fileReader.Stat()
	if err != nil {
		return 0, err
	}

	// Save the file size.
	fileSize := fileStat.Size()

	objMetadata := make(map[string][]string)

	// Set contentType based on filepath extension if not given or default
	// value of "binary/octet-stream" if the extension has no associated type.
	if contentType == "" {
		if contentType = mime.TypeByExtension(filepath.Ext(filePath)); contentType == "" {
			contentType = "application/octet-stream"
		}
	}

	objMetadata["Content-Type"] = []string{contentType}
	return c.putObjectCommon(bucketName, objectName, fileReader, fileSize, objMetadata, nil)
}