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/*
* MinIO Go Library for Amazon S3 Compatible Cloud Storage
* Copyright 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 (
"bytes"
"context"
"encoding/xml"
"net/http"
"net/url"
"github.com/minio/minio-go/v7/pkg/s3utils"
"github.com/minio/minio-go/v7/pkg/tags"
)
// PutObjectTaggingOptions holds an object version id
// to update tag(s) of a specific object version
type PutObjectTaggingOptions struct {
VersionID string
Internal AdvancedObjectTaggingOptions
}
// AdvancedObjectTaggingOptions for internal use by MinIO server - not intended for client use.
type AdvancedObjectTaggingOptions struct {
ReplicationProxyRequest string
}
// PutObjectTagging replaces or creates object tag(s) and can target
// a specific object version in a versioned bucket.
func (c *Client) PutObjectTagging(ctx context.Context, bucketName, objectName string, otags *tags.Tags, opts PutObjectTaggingOptions) error {
// Input validation.
if err := s3utils.CheckValidBucketName(bucketName); err != nil {
return err
}
// Get resources properly escaped and lined up before
// using them in http request.
urlValues := make(url.Values)
urlValues.Set("tagging", "")
if opts.VersionID != "" {
urlValues.Set("versionId", opts.VersionID)
}
headers := make(http.Header, 0)
if opts.Internal.ReplicationProxyRequest != "" {
headers.Set(minIOBucketReplicationProxyRequest, opts.Internal.ReplicationProxyRequest)
}
reqBytes, err := xml.Marshal(otags)
if err != nil {
return err
}
reqMetadata := requestMetadata{
bucketName: bucketName,
objectName: objectName,
queryValues: urlValues,
contentBody: bytes.NewReader(reqBytes),
contentLength: int64(len(reqBytes)),
contentMD5Base64: sumMD5Base64(reqBytes),
customHeader: headers,
}
// Execute PUT to set a object tagging.
resp, err := c.executeMethod(ctx, http.MethodPut, reqMetadata)
defer closeResponse(resp)
if err != nil {
return err
}
if resp != nil {
if resp.StatusCode != http.StatusOK {
return httpRespToErrorResponse(resp, bucketName, objectName)
}
}
return nil
}
// GetObjectTaggingOptions holds the object version ID
// to fetch the tagging key/value pairs
type GetObjectTaggingOptions struct {
VersionID string
Internal AdvancedObjectTaggingOptions
}
// GetObjectTagging fetches object tag(s) with options to target
// a specific object version in a versioned bucket.
func (c *Client) GetObjectTagging(ctx context.Context, bucketName, objectName string, opts GetObjectTaggingOptions) (*tags.Tags, error) {
// Get resources properly escaped and lined up before
// using them in http request.
urlValues := make(url.Values)
urlValues.Set("tagging", "")
if opts.VersionID != "" {
urlValues.Set("versionId", opts.VersionID)
}
headers := make(http.Header, 0)
if opts.Internal.ReplicationProxyRequest != "" {
headers.Set(minIOBucketReplicationProxyRequest, opts.Internal.ReplicationProxyRequest)
}
// Execute GET on object to get object tag(s)
resp, err := c.executeMethod(ctx, http.MethodGet, requestMetadata{
bucketName: bucketName,
objectName: objectName,
queryValues: urlValues,
customHeader: headers,
})
defer closeResponse(resp)
if err != nil {
return nil, err
}
if resp != nil {
if resp.StatusCode != http.StatusOK {
return nil, httpRespToErrorResponse(resp, bucketName, objectName)
}
}
return tags.ParseObjectXML(resp.Body)
}
// RemoveObjectTaggingOptions holds the version id of the object to remove
type RemoveObjectTaggingOptions struct {
VersionID string
Internal AdvancedObjectTaggingOptions
}
// RemoveObjectTagging removes object tag(s) with options to control a specific object
// version in a versioned bucket
func (c *Client) RemoveObjectTagging(ctx context.Context, bucketName, objectName string, opts RemoveObjectTaggingOptions) error {
// Get resources properly escaped and lined up before
// using them in http request.
urlValues := make(url.Values)
urlValues.Set("tagging", "")
if opts.VersionID != "" {
urlValues.Set("versionId", opts.VersionID)
}
headers := make(http.Header, 0)
if opts.Internal.ReplicationProxyRequest != "" {
headers.Set(minIOBucketReplicationProxyRequest, opts.Internal.ReplicationProxyRequest)
}
// Execute DELETE on object to remove object tag(s)
resp, err := c.executeMethod(ctx, http.MethodDelete, requestMetadata{
bucketName: bucketName,
objectName: objectName,
queryValues: urlValues,
customHeader: headers,
})
defer closeResponse(resp)
if err != nil {
return err
}
if resp != nil {
// S3 returns "204 No content" after Object tag deletion.
if resp.StatusCode != http.StatusNoContent {
return httpRespToErrorResponse(resp, bucketName, objectName)
}
}
return err
}
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