158 lines
4.3 KiB
Go
158 lines
4.3 KiB
Go
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/*
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* MinIO Go Library for Amazon S3 Compatible Cloud Storage
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* Copyright 2020 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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"bytes"
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"context"
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"encoding/xml"
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"net/http"
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"net/url"
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"github.com/minio/minio-go/v7/pkg/s3utils"
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"github.com/minio/minio-go/v7/pkg/tags"
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)
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// PutObjectTaggingOptions holds an object version id
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// to update tag(s) of a specific object version
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type PutObjectTaggingOptions struct {
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VersionID string
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}
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// PutObjectTagging replaces or creates object tag(s) and can target
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// a specific object version in a versioned bucket.
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func (c Client) PutObjectTagging(ctx context.Context, bucketName, objectName string, otags *tags.Tags, opts PutObjectTaggingOptions) error {
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// Input validation.
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if err := s3utils.CheckValidBucketName(bucketName); err != nil {
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return err
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}
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// Get resources properly escaped and lined up before
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// using them in http request.
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urlValues := make(url.Values)
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urlValues.Set("tagging", "")
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if opts.VersionID != "" {
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urlValues.Set("versionId", opts.VersionID)
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}
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reqBytes, err := xml.Marshal(otags)
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if err != nil {
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return err
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}
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reqMetadata := requestMetadata{
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bucketName: bucketName,
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objectName: objectName,
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queryValues: urlValues,
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contentBody: bytes.NewReader(reqBytes),
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contentLength: int64(len(reqBytes)),
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contentMD5Base64: sumMD5Base64(reqBytes),
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}
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// Execute PUT to set a object tagging.
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resp, err := c.executeMethod(ctx, http.MethodPut, reqMetadata)
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defer closeResponse(resp)
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if err != nil {
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return err
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}
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if resp != nil {
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if resp.StatusCode != http.StatusOK {
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return httpRespToErrorResponse(resp, bucketName, objectName)
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}
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}
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return nil
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}
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// GetObjectTaggingOptions holds the object version ID
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// to fetch the tagging key/value pairs
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type GetObjectTaggingOptions struct {
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VersionID string
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}
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// GetObjectTagging fetches object tag(s) with options to target
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// a specific object version in a versioned bucket.
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func (c Client) GetObjectTagging(ctx context.Context, bucketName, objectName string, opts GetObjectTaggingOptions) (*tags.Tags, error) {
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// Get resources properly escaped and lined up before
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// using them in http request.
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urlValues := make(url.Values)
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urlValues.Set("tagging", "")
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if opts.VersionID != "" {
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urlValues.Set("versionId", opts.VersionID)
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}
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// Execute GET on object to get object tag(s)
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resp, err := c.executeMethod(ctx, http.MethodGet, requestMetadata{
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bucketName: bucketName,
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objectName: objectName,
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queryValues: urlValues,
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})
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defer closeResponse(resp)
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if err != nil {
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return nil, err
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}
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if resp != nil {
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if resp.StatusCode != http.StatusOK {
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return nil, httpRespToErrorResponse(resp, bucketName, objectName)
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}
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}
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return tags.ParseObjectXML(resp.Body)
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}
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// RemoveObjectTaggingOptions holds the version id of the object to remove
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type RemoveObjectTaggingOptions struct {
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VersionID string
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}
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// RemoveObjectTagging removes object tag(s) with options to control a specific object
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// version in a versioned bucket
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func (c Client) RemoveObjectTagging(ctx context.Context, bucketName, objectName string, opts RemoveObjectTaggingOptions) error {
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// Get resources properly escaped and lined up before
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// using them in http request.
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urlValues := make(url.Values)
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urlValues.Set("tagging", "")
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if opts.VersionID != "" {
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urlValues.Set("versionId", opts.VersionID)
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}
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// Execute DELETE on object to remove object tag(s)
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resp, err := c.executeMethod(ctx, http.MethodDelete, requestMetadata{
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bucketName: bucketName,
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objectName: objectName,
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queryValues: urlValues,
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})
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defer closeResponse(resp)
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if err != nil {
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return err
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}
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if resp != nil {
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// S3 returns "204 No content" after Object tag deletion.
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if resp.StatusCode != http.StatusNoContent {
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return httpRespToErrorResponse(resp, bucketName, objectName)
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}
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}
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return err
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}
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