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forgejo/vendor/github.com/minio/minio-go/v7/api-remove.go

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Add a storage layer for attachments (#11387) * Add a storage layer for attachments * Fix some bug * fix test * Fix copyright head and lint * Fix bug * Add setting for minio and flags for migrate-storage * Add documents * fix lint * Add test for minio store type on attachments * fix test * fix test * Apply suggestions from code review Co-authored-by: guillep2k <18600385+guillep2k@users.noreply.github.com> * Add warning when storage migrated successfully * Fix drone * fix test * rebase * Fix test * display the error on console * Move minio test to amd64 since minio docker don't support arm64 * refactor the codes * add trace * Fix test * remove log on xorm * Fi download bug * Add a storage layer for attachments * Add setting for minio and flags for migrate-storage * fix lint * Add test for minio store type on attachments * Apply suggestions from code review Co-authored-by: guillep2k <18600385+guillep2k@users.noreply.github.com> * Fix drone * fix test * Fix test * display the error on console * Move minio test to amd64 since minio docker don't support arm64 * refactor the codes * add trace * Fix test * Add URL function to serve attachments directly from S3/Minio * Add ability to enable/disable redirection in attachment configuration * Fix typo * Add a storage layer for attachments * Add setting for minio and flags for migrate-storage * fix lint * Add test for minio store type on attachments * Apply suggestions from code review Co-authored-by: guillep2k <18600385+guillep2k@users.noreply.github.com> * Fix drone * fix test * Fix test * display the error on console * Move minio test to amd64 since minio docker don't support arm64 * don't change unrelated files * Fix lint * Fix build * update go.mod and go.sum * Use github.com/minio/minio-go/v6 * Remove unused function * Upgrade minio to v7 and some other improvements * fix lint * Fix go mod Co-authored-by: guillep2k <18600385+guillep2k@users.noreply.github.com> Co-authored-by: Tyler <tystuyfzand@gmail.com>
2020-08-18 06:23:45 +02:00
/*
* MinIO Go Library for Amazon S3 Compatible Cloud Storage
* Copyright 2015-2020 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"
"io"
"net/http"
"net/url"
"github.com/minio/minio-go/v7/pkg/s3utils"
)
// RemoveBucket deletes the bucket name.
//
// All objects (including all object versions and delete markers).
// in the bucket must be deleted before successfully attempting this request.
func (c Client) RemoveBucket(ctx context.Context, bucketName string) error {
// Input validation.
if err := s3utils.CheckValidBucketName(bucketName); err != nil {
return err
}
// Execute DELETE on bucket.
resp, err := c.executeMethod(ctx, http.MethodDelete, requestMetadata{
bucketName: bucketName,
contentSHA256Hex: emptySHA256Hex,
})
defer closeResponse(resp)
if err != nil {
return err
}
if resp != nil {
if resp.StatusCode != http.StatusNoContent {
return httpRespToErrorResponse(resp, bucketName, "")
}
}
// Remove the location from cache on a successful delete.
c.bucketLocCache.Delete(bucketName)
return nil
}
// RemoveObjectOptions represents options specified by user for RemoveObject call
type RemoveObjectOptions struct {
GovernanceBypass bool
VersionID string
}
// RemoveObject removes an object from a bucket.
func (c Client) RemoveObject(ctx context.Context, bucketName, objectName string, opts RemoveObjectOptions) error {
// Input validation.
if err := s3utils.CheckValidBucketName(bucketName); err != nil {
return err
}
if err := s3utils.CheckValidObjectName(objectName); err != nil {
return err
}
// Get resources properly escaped and lined up before
// using them in http request.
urlValues := make(url.Values)
if opts.VersionID != "" {
urlValues.Set("versionId", opts.VersionID)
}
// Build headers.
headers := make(http.Header)
if opts.GovernanceBypass {
// Set the bypass goverenance retention header
headers.Set(amzBypassGovernance, "true")
}
// Execute DELETE on objectName.
resp, err := c.executeMethod(ctx, http.MethodDelete, requestMetadata{
bucketName: bucketName,
objectName: objectName,
contentSHA256Hex: emptySHA256Hex,
queryValues: urlValues,
customHeader: headers,
})
defer closeResponse(resp)
if err != nil {
return err
}
if resp != nil {
// if some unexpected error happened and max retry is reached, we want to let client know
if resp.StatusCode != http.StatusNoContent {
return httpRespToErrorResponse(resp, bucketName, objectName)
}
}
// DeleteObject always responds with http '204' even for
// objects which do not exist. So no need to handle them
// specifically.
return nil
}
// RemoveObjectError - container of Multi Delete S3 API error
type RemoveObjectError struct {
ObjectName string
VersionID string
Err error
}
// generateRemoveMultiObjects - generate the XML request for remove multi objects request
func generateRemoveMultiObjectsRequest(objects []ObjectInfo) []byte {
delObjects := []deleteObject{}
for _, obj := range objects {
delObjects = append(delObjects, deleteObject{
Key: obj.Key,
VersionID: obj.VersionID,
})
}
xmlBytes, _ := xml.Marshal(deleteMultiObjects{Objects: delObjects, Quiet: true})
return xmlBytes
}
// processRemoveMultiObjectsResponse - parse the remove multi objects web service
// and return the success/failure result status for each object
func processRemoveMultiObjectsResponse(body io.Reader, objects []ObjectInfo, errorCh chan<- RemoveObjectError) {
// Parse multi delete XML response
rmResult := &deleteMultiObjectsResult{}
err := xmlDecoder(body, rmResult)
if err != nil {
errorCh <- RemoveObjectError{ObjectName: "", Err: err}
return
}
// Fill deletion that returned an error.
for _, obj := range rmResult.UnDeletedObjects {
errorCh <- RemoveObjectError{
ObjectName: obj.Key,
Err: ErrorResponse{
Code: obj.Code,
Message: obj.Message,
},
}
}
}
// RemoveObjectsOptions represents options specified by user for RemoveObjects call
type RemoveObjectsOptions struct {
GovernanceBypass bool
}
// RemoveObjects removes multiple objects from a bucket while
// it is possible to specify objects versions which are received from
// objectsCh. Remove failures are sent back via error channel.
func (c Client) RemoveObjects(ctx context.Context, bucketName string, objectsCh <-chan ObjectInfo, opts RemoveObjectsOptions) <-chan RemoveObjectError {
errorCh := make(chan RemoveObjectError, 1)
// Validate if bucket name is valid.
if err := s3utils.CheckValidBucketName(bucketName); err != nil {
defer close(errorCh)
errorCh <- RemoveObjectError{
Err: err,
}
return errorCh
}
// Validate objects channel to be properly allocated.
if objectsCh == nil {
defer close(errorCh)
errorCh <- RemoveObjectError{
Err: errInvalidArgument("Objects channel cannot be nil"),
}
return errorCh
}
go c.removeObjects(ctx, bucketName, objectsCh, errorCh, opts)
return errorCh
}
// Generate and call MultiDelete S3 requests based on entries received from objectsCh
func (c Client) removeObjects(ctx context.Context, bucketName string, objectsCh <-chan ObjectInfo, errorCh chan<- RemoveObjectError, opts RemoveObjectsOptions) {
maxEntries := 1000
finish := false
urlValues := make(url.Values)
urlValues.Set("delete", "")
// Close error channel when Multi delete finishes.
defer close(errorCh)
// Loop over entries by 1000 and call MultiDelete requests
for {
if finish {
break
}
count := 0
var batch []ObjectInfo
// Try to gather 1000 entries
for object := range objectsCh {
batch = append(batch, object)
if count++; count >= maxEntries {
break
}
}
if count == 0 {
// Multi Objects Delete API doesn't accept empty object list, quit immediately
break
}
if count < maxEntries {
// We didn't have 1000 entries, so this is the last batch
finish = true
}
// Build headers.
headers := make(http.Header)
if opts.GovernanceBypass {
// Set the bypass goverenance retention header
headers.Set(amzBypassGovernance, "true")
}
// Generate remove multi objects XML request
removeBytes := generateRemoveMultiObjectsRequest(batch)
// Execute GET on bucket to list objects.
resp, err := c.executeMethod(ctx, http.MethodPost, requestMetadata{
bucketName: bucketName,
queryValues: urlValues,
contentBody: bytes.NewReader(removeBytes),
contentLength: int64(len(removeBytes)),
contentMD5Base64: sumMD5Base64(removeBytes),
contentSHA256Hex: sum256Hex(removeBytes),
customHeader: headers,
})
if resp != nil {
if resp.StatusCode != http.StatusOK {
e := httpRespToErrorResponse(resp, bucketName, "")
errorCh <- RemoveObjectError{ObjectName: "", Err: e}
}
}
if err != nil {
for _, b := range batch {
errorCh <- RemoveObjectError{
ObjectName: b.Key,
VersionID: b.VersionID,
Err: err,
}
}
continue
}
// Process multiobjects remove xml response
processRemoveMultiObjectsResponse(resp.Body, batch, errorCh)
closeResponse(resp)
}
}
// RemoveIncompleteUpload aborts an partially uploaded object.
func (c Client) RemoveIncompleteUpload(ctx context.Context, bucketName, objectName string) error {
// Input validation.
if err := s3utils.CheckValidBucketName(bucketName); err != nil {
return err
}
if err := s3utils.CheckValidObjectName(objectName); err != nil {
return err
}
// Find multipart upload ids of the object to be aborted.
uploadIDs, err := c.findUploadIDs(ctx, bucketName, objectName)
if err != nil {
return err
}
for _, uploadID := range uploadIDs {
// abort incomplete multipart upload, based on the upload id passed.
err := c.abortMultipartUpload(ctx, bucketName, objectName, uploadID)
if err != nil {
return err
}
}
return nil
}
// abortMultipartUpload aborts a multipart upload for the given
// uploadID, all previously uploaded parts are deleted.
func (c Client) abortMultipartUpload(ctx context.Context, bucketName, objectName, uploadID string) error {
// Input validation.
if err := s3utils.CheckValidBucketName(bucketName); err != nil {
return err
}
if err := s3utils.CheckValidObjectName(objectName); err != nil {
return err
}
// Initialize url queries.
urlValues := make(url.Values)
urlValues.Set("uploadId", uploadID)
// Execute DELETE on multipart upload.
resp, err := c.executeMethod(ctx, http.MethodDelete, requestMetadata{
bucketName: bucketName,
objectName: objectName,
queryValues: urlValues,
contentSHA256Hex: emptySHA256Hex,
})
defer closeResponse(resp)
if err != nil {
return err
}
if resp != nil {
if resp.StatusCode != http.StatusNoContent {
// Abort has no response body, handle it for any errors.
var errorResponse ErrorResponse
switch resp.StatusCode {
case http.StatusNotFound:
// This is needed specifically for abort and it cannot
// be converged into default case.
errorResponse = ErrorResponse{
Code: "NoSuchUpload",
Message: "The specified multipart upload does not exist.",
BucketName: bucketName,
Key: objectName,
RequestID: resp.Header.Get("x-amz-request-id"),
HostID: resp.Header.Get("x-amz-id-2"),
Region: resp.Header.Get("x-amz-bucket-region"),
}
default:
return httpRespToErrorResponse(resp, bucketName, objectName)
}
return errorResponse
}
}
return nil
}