mirror of
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122 lines
5.4 KiB
Go
122 lines
5.4 KiB
Go
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/*
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* Minio Go Library for Amazon S3 Compatible Cloud Storage (C) 2017 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package minio
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import (
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"io"
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"github.com/minio/minio-go/pkg/policy"
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)
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// Core - Inherits Client and adds new methods to expose the low level S3 APIs.
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type Core struct {
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*Client
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}
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// NewCore - Returns new initialized a Core client, this CoreClient should be
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// only used under special conditions such as need to access lower primitives
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// and being able to use them to write your own wrappers.
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func NewCore(endpoint string, accessKeyID, secretAccessKey string, secure bool) (*Core, error) {
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var s3Client Core
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client, err := NewV4(endpoint, accessKeyID, secretAccessKey, secure)
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if err != nil {
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return nil, err
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}
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s3Client.Client = client
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return &s3Client, nil
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}
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// ListObjects - List all the objects at a prefix, optionally with marker and delimiter
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// you can further filter the results.
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func (c Core) ListObjects(bucket, prefix, marker, delimiter string, maxKeys int) (result ListBucketResult, err error) {
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return c.listObjectsQuery(bucket, prefix, marker, delimiter, maxKeys)
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}
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// ListObjectsV2 - Lists all the objects at a prefix, similar to ListObjects() but uses
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// continuationToken instead of marker to further filter the results.
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func (c Core) ListObjectsV2(bucketName, objectPrefix, continuationToken string, fetchOwner bool, delimiter string, maxkeys int) (ListBucketV2Result, error) {
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return c.listObjectsV2Query(bucketName, objectPrefix, continuationToken, fetchOwner, delimiter, maxkeys)
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}
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// PutObject - Upload object. Uploads using single PUT call.
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func (c Core) PutObject(bucket, object string, size int64, data io.Reader, md5Sum, sha256Sum []byte, metadata map[string][]string) (ObjectInfo, error) {
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return c.putObjectDo(bucket, object, data, md5Sum, sha256Sum, size, metadata)
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}
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// NewMultipartUpload - Initiates new multipart upload and returns the new uploaID.
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func (c Core) NewMultipartUpload(bucket, object string, metadata map[string][]string) (uploadID string, err error) {
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result, err := c.initiateMultipartUpload(bucket, object, metadata)
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return result.UploadID, err
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}
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// ListMultipartUploads - List incomplete uploads.
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func (c Core) ListMultipartUploads(bucket, prefix, keyMarker, uploadIDMarker, delimiter string, maxUploads int) (result ListMultipartUploadsResult, err error) {
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return c.listMultipartUploadsQuery(bucket, keyMarker, uploadIDMarker, prefix, delimiter, maxUploads)
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}
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// PutObjectPart - Upload an object part.
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func (c Core) PutObjectPart(bucket, object, uploadID string, partID int, size int64, data io.Reader, md5Sum, sha256Sum []byte) (ObjectPart, error) {
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return c.PutObjectPartWithMetadata(bucket, object, uploadID, partID, size, data, md5Sum, sha256Sum, nil)
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}
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// PutObjectPartWithMetadata - upload an object part with additional request metadata.
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func (c Core) PutObjectPartWithMetadata(bucket, object, uploadID string, partID int,
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size int64, data io.Reader, md5Sum, sha256Sum []byte, metadata map[string][]string) (ObjectPart, error) {
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return c.uploadPart(bucket, object, uploadID, data, partID, md5Sum, sha256Sum, size, metadata)
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}
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// ListObjectParts - List uploaded parts of an incomplete upload.x
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func (c Core) ListObjectParts(bucket, object, uploadID string, partNumberMarker int, maxParts int) (result ListObjectPartsResult, err error) {
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return c.listObjectPartsQuery(bucket, object, uploadID, partNumberMarker, maxParts)
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}
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// CompleteMultipartUpload - Concatenate uploaded parts and commit to an object.
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func (c Core) CompleteMultipartUpload(bucket, object, uploadID string, parts []CompletePart) error {
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_, err := c.completeMultipartUpload(bucket, object, uploadID, completeMultipartUpload{
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Parts: parts,
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})
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return err
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}
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// AbortMultipartUpload - Abort an incomplete upload.
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func (c Core) AbortMultipartUpload(bucket, object, uploadID string) error {
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return c.abortMultipartUpload(bucket, object, uploadID)
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}
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// GetBucketPolicy - fetches bucket access policy for a given bucket.
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func (c Core) GetBucketPolicy(bucket string) (policy.BucketAccessPolicy, error) {
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return c.getBucketPolicy(bucket)
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}
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// PutBucketPolicy - applies a new bucket access policy for a given bucket.
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func (c Core) PutBucketPolicy(bucket string, bucketPolicy policy.BucketAccessPolicy) error {
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return c.putBucketPolicy(bucket, bucketPolicy)
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}
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// GetObject is a lower level API implemented to support reading
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// partial objects and also downloading objects with special conditions
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// matching etag, modtime etc.
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func (c Core) GetObject(bucketName, objectName string, reqHeaders RequestHeaders) (io.ReadCloser, ObjectInfo, error) {
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return c.getObject(bucketName, objectName, reqHeaders)
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}
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// StatObject is a lower level API implemented to support special
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// conditions matching etag, modtime on a request.
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func (c Core) StatObject(bucketName, objectName string, reqHeaders RequestHeaders) (ObjectInfo, error) {
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return c.statObject(bucketName, objectName, reqHeaders)
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}
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