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/*
* Minio Go Library for Amazon S3 Compatible Cloud Storage (C) 2015 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 (
"io"
"strings"
"github.com/minio/minio-go/pkg/credentials"
"github.com/minio/minio-go/pkg/encrypt"
"github.com/minio/minio-go/pkg/s3utils"
)
// PutObjectWithProgress - with progress.
func (c Client) PutObjectWithProgress(bucketName, objectName string, reader io.Reader, contentType string, progress io.Reader) (n int64, err error) {
metaData := make(map[string][]string)
metaData["Content-Type"] = []string{contentType}
return c.PutObjectWithMetadata(bucketName, objectName, reader, metaData, progress)
}
// PutEncryptedObject - Encrypt and store object.
func (c Client) PutEncryptedObject(bucketName, objectName string, reader io.Reader, encryptMaterials encrypt.Materials, metaData map[string][]string, progress io.Reader) (n int64, err error) {
if encryptMaterials == nil {
return 0, ErrInvalidArgument("Unable to recognize empty encryption properties")
}
if err := encryptMaterials.SetupEncryptMode(reader); err != nil {
return 0, err
}
if metaData == nil {
metaData = make(map[string][]string)
}
// Set the necessary encryption headers, for future decryption.
metaData[amzHeaderIV] = []string{encryptMaterials.GetIV()}
metaData[amzHeaderKey] = []string{encryptMaterials.GetKey()}
metaData[amzHeaderMatDesc] = []string{encryptMaterials.GetDesc()}
return c.PutObjectWithMetadata(bucketName, objectName, encryptMaterials, metaData, progress)
}
// PutObjectWithMetadata - with metadata.
func (c Client) PutObjectWithMetadata(bucketName, objectName string, reader io.Reader, metaData map[string][]string, progress io.Reader) (n int64, err error) {
// Input validation.
if err := isValidBucketName(bucketName); err != nil {
return 0, err
}
if err := isValidObjectName(objectName); err != nil {
return 0, err
}
if reader == nil {
return 0, ErrInvalidArgument("Input reader is invalid, cannot be nil.")
}
// Size of the object.
var size int64
// Get reader size.
size, err = getReaderSize(reader)
if err != nil {
return 0, err
}
// Check for largest object size allowed.
if size > int64(maxMultipartPutObjectSize) {
return 0, ErrEntityTooLarge(size, maxMultipartPutObjectSize, bucketName, objectName)
}
// NOTE: Google Cloud Storage does not implement Amazon S3 Compatible multipart PUT.
// So we fall back to single PUT operation with the maximum limit of 5GiB.
if s3utils.IsGoogleEndpoint(c.endpointURL) {
if size <= -1 {
return 0, ErrorResponse{
Code: "NotImplemented",
Message: "Content-Length cannot be negative for file uploads to Google Cloud Storage.",
Key: objectName,
BucketName: bucketName,
}
}
if size > maxSinglePutObjectSize {
return 0, ErrEntityTooLarge(size, maxSinglePutObjectSize, bucketName, objectName)
}
// Do not compute MD5 for Google Cloud Storage. Uploads up to 5GiB in size.
return c.putObjectNoChecksum(bucketName, objectName, reader, size, metaData, progress)
}
// putSmall object.
if size < minPartSize && size >= 0 {
return c.putObjectSingle(bucketName, objectName, reader, size, metaData, progress)
}
// For all sizes greater than 5MiB do multipart.
n, err = c.putObjectMultipart(bucketName, objectName, reader, size, metaData, progress)
if err != nil {
errResp := ToErrorResponse(err)
// Verify if multipart functionality is not available, if not
// fall back to single PutObject operation.
if errResp.Code == "AccessDenied" && strings.Contains(errResp.Message, "Access Denied") {
// Verify if size of reader is greater than '5GiB'.
if size > maxSinglePutObjectSize {
return 0, ErrEntityTooLarge(size, maxSinglePutObjectSize, bucketName, objectName)
}
// Fall back to uploading as single PutObject operation.
return c.putObjectSingle(bucketName, objectName, reader, size, metaData, progress)
}
return n, err
}
return n, nil
}
// PutObjectStreaming using AWS streaming signature V4
func (c Client) PutObjectStreaming(bucketName, objectName string, reader io.Reader) (n int64, err error) {
return c.PutObjectStreamingWithProgress(bucketName, objectName, reader, nil, nil)
}
// PutObjectStreamingWithMetadata using AWS streaming signature V4
func (c Client) PutObjectStreamingWithMetadata(bucketName, objectName string, reader io.Reader, metadata map[string][]string) (n int64, err error) {
return c.PutObjectStreamingWithProgress(bucketName, objectName, reader, metadata, nil)
}
// PutObjectStreamingWithProgress using AWS streaming signature V4
func (c Client) PutObjectStreamingWithProgress(bucketName, objectName string, reader io.Reader, metadata map[string][]string, progress io.Reader) (n int64, err error) {
// NOTE: Streaming signature is not supported by GCS.
if s3utils.IsGoogleEndpoint(c.endpointURL) {
return 0, ErrorResponse{
Code: "NotImplemented",
Message: "AWS streaming signature v4 is not supported with Google Cloud Storage",
Key: objectName,
BucketName: bucketName,
}
}
if c.overrideSignerType.IsV2() {
return 0, ErrorResponse{
Code: "NotImplemented",
Message: "AWS streaming signature v4 is not supported with minio client initialized for AWS signature v2",
Key: objectName,
BucketName: bucketName,
}
}
// Size of the object.
var size int64
// Get reader size.
size, err = getReaderSize(reader)
if err != nil {
return 0, err
}
// Check for largest object size allowed.
if size > int64(maxMultipartPutObjectSize) {
return 0, ErrEntityTooLarge(size, maxMultipartPutObjectSize, bucketName, objectName)
}
// If size cannot be found on a stream, it is not possible
// to upload using streaming signature, fall back to multipart.
if size < 0 {
return c.putObjectMultipartStream(bucketName, objectName, reader, size, metadata, progress)
}
// Set streaming signature.
c.overrideSignerType = credentials.SignatureV4Streaming
if size < minPartSize && size >= 0 {
return c.putObjectNoChecksum(bucketName, objectName, reader, size, metadata, progress)
}
// For all sizes greater than 64MiB do multipart.
n, err = c.putObjectMultipartStreamNoChecksum(bucketName, objectName, reader, size, metadata, progress)
if err != nil {
errResp := ToErrorResponse(err)
// Verify if multipart functionality is not available, if not
// fall back to single PutObject operation.
if errResp.Code == "AccessDenied" && strings.Contains(errResp.Message, "Access Denied") {
// Verify if size of reader is greater than '5GiB'.
if size > maxSinglePutObjectSize {
return 0, ErrEntityTooLarge(size, maxSinglePutObjectSize, bucketName, objectName)
}
// Fall back to uploading as single PutObject operation.
return c.putObjectNoChecksum(bucketName, objectName, reader, size, metadata, progress)
}
return n, err
}
return n, nil
}
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