mirror of
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* update code.gitea.io/sdk/gitea v0.13.1 -> v0.13.2 * update github.com/go-swagger/go-swagger v0.25.0 -> v0.26.0 * update github.com/google/uuid v1.1.2 -> v1.2.0 * update github.com/klauspost/compress v1.11.3 -> v1.11.7 * update github.com/lib/pq 083382b7e6fc -> v1.9.0 * update github.com/markbates/goth v1.65.0 -> v1.66.1 * update github.com/mattn/go-sqlite3 v1.14.4 -> v1.14.6 * update github.com/mgechev/revive 246eac737dc7 -> v1.0.3 * update github.com/minio/minio-go/v7 v7.0.6 -> v7.0.7 * update github.com/niklasfasching/go-org v1.3.2 -> v1.4.0 * update github.com/olivere/elastic/v7 v7.0.21 -> v7.0.22 * update github.com/pquerna/otp v1.2.0 -> v1.3.0 * update github.com/xanzy/go-gitlab v0.39.0 -> v0.42.0 * update github.com/yuin/goldmark v1.2.1 -> v1.3.1
416 lines
12 KiB
Go
Vendored
416 lines
12 KiB
Go
Vendored
/*
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* MinIO Go Library for Amazon S3 Compatible Cloud Storage
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* Copyright 2015-2020 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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"io"
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"net/http"
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"net/url"
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"time"
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"github.com/minio/minio-go/v7/pkg/s3utils"
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)
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// RemoveBucket deletes the bucket name.
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//
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// All objects (including all object versions and delete markers).
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// in the bucket must be deleted before successfully attempting this request.
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func (c Client) RemoveBucket(ctx context.Context, bucketName string) 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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// Execute DELETE on bucket.
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resp, err := c.executeMethod(ctx, http.MethodDelete, requestMetadata{
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bucketName: bucketName,
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contentSHA256Hex: emptySHA256Hex,
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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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if resp.StatusCode != http.StatusNoContent {
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return httpRespToErrorResponse(resp, bucketName, "")
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}
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}
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// Remove the location from cache on a successful delete.
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c.bucketLocCache.Delete(bucketName)
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return nil
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}
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// AdvancedRemoveOptions intended for internal use by replication
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type AdvancedRemoveOptions struct {
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ReplicationDeleteMarker bool
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ReplicationStatus ReplicationStatus
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ReplicationMTime time.Time
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}
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// RemoveObjectOptions represents options specified by user for RemoveObject call
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type RemoveObjectOptions struct {
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GovernanceBypass bool
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VersionID string
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Internal AdvancedRemoveOptions
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}
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// RemoveObject removes an object from a bucket.
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func (c Client) RemoveObject(ctx context.Context, bucketName, objectName string, opts RemoveObjectOptions) 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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if err := s3utils.CheckValidObjectName(objectName); err != nil {
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return err
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}
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return c.removeObject(ctx, bucketName, objectName, opts)
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}
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func (c Client) removeObject(ctx context.Context, bucketName, objectName string, opts RemoveObjectOptions) 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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if opts.VersionID != "" {
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urlValues.Set("versionId", opts.VersionID)
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}
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// Build headers.
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headers := make(http.Header)
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if opts.GovernanceBypass {
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// Set the bypass goverenance retention header
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headers.Set(amzBypassGovernance, "true")
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}
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if opts.Internal.ReplicationDeleteMarker {
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headers.Set(minIOBucketReplicationDeleteMarker, "true")
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}
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if !opts.Internal.ReplicationMTime.IsZero() {
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headers.Set(minIOBucketSourceMTime, opts.Internal.ReplicationMTime.Format(time.RFC3339Nano))
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}
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if !opts.Internal.ReplicationStatus.Empty() {
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headers.Set(amzBucketReplicationStatus, string(opts.Internal.ReplicationStatus))
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}
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// Execute DELETE on objectName.
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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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contentSHA256Hex: emptySHA256Hex,
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queryValues: urlValues,
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customHeader: headers,
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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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// if some unexpected error happened and max retry is reached, we want to let client know
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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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// DeleteObject always responds with http '204' even for
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// objects which do not exist. So no need to handle them
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// specifically.
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return nil
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}
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// RemoveObjectError - container of Multi Delete S3 API error
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type RemoveObjectError struct {
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ObjectName string
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VersionID string
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Err error
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}
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// generateRemoveMultiObjects - generate the XML request for remove multi objects request
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func generateRemoveMultiObjectsRequest(objects []ObjectInfo) []byte {
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delObjects := []deleteObject{}
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for _, obj := range objects {
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delObjects = append(delObjects, deleteObject{
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Key: obj.Key,
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VersionID: obj.VersionID,
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})
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}
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xmlBytes, _ := xml.Marshal(deleteMultiObjects{Objects: delObjects, Quiet: true})
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return xmlBytes
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}
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// processRemoveMultiObjectsResponse - parse the remove multi objects web service
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// and return the success/failure result status for each object
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func processRemoveMultiObjectsResponse(body io.Reader, objects []ObjectInfo, errorCh chan<- RemoveObjectError) {
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// Parse multi delete XML response
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rmResult := &deleteMultiObjectsResult{}
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err := xmlDecoder(body, rmResult)
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if err != nil {
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errorCh <- RemoveObjectError{ObjectName: "", Err: err}
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return
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}
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// Fill deletion that returned an error.
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for _, obj := range rmResult.UnDeletedObjects {
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// Version does not exist is not an error ignore and continue.
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switch obj.Code {
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case "InvalidArgument", "NoSuchVersion":
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continue
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}
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errorCh <- RemoveObjectError{
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ObjectName: obj.Key,
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VersionID: obj.VersionID,
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Err: ErrorResponse{
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Code: obj.Code,
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Message: obj.Message,
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},
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}
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}
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}
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// RemoveObjectsOptions represents options specified by user for RemoveObjects call
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type RemoveObjectsOptions struct {
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GovernanceBypass bool
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}
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// RemoveObjects removes multiple objects from a bucket while
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// it is possible to specify objects versions which are received from
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// objectsCh. Remove failures are sent back via error channel.
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func (c Client) RemoveObjects(ctx context.Context, bucketName string, objectsCh <-chan ObjectInfo, opts RemoveObjectsOptions) <-chan RemoveObjectError {
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errorCh := make(chan RemoveObjectError, 1)
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// Validate if bucket name is valid.
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if err := s3utils.CheckValidBucketName(bucketName); err != nil {
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defer close(errorCh)
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errorCh <- RemoveObjectError{
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Err: err,
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}
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return errorCh
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}
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// Validate objects channel to be properly allocated.
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if objectsCh == nil {
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defer close(errorCh)
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errorCh <- RemoveObjectError{
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Err: errInvalidArgument("Objects channel cannot be nil"),
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}
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return errorCh
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}
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go c.removeObjects(ctx, bucketName, objectsCh, errorCh, opts)
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return errorCh
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}
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// Return true if the character is within the allowed characters in an XML 1.0 document
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// The list of allowed characters can be found here: https://www.w3.org/TR/xml/#charsets
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func validXMLChar(r rune) (ok bool) {
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return r == 0x09 ||
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r == 0x0A ||
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r == 0x0D ||
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r >= 0x20 && r <= 0xD7FF ||
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r >= 0xE000 && r <= 0xFFFD ||
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r >= 0x10000 && r <= 0x10FFFF
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}
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func hasInvalidXMLChar(str string) bool {
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for _, s := range str {
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if !validXMLChar(s) {
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return true
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}
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}
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return false
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}
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// Generate and call MultiDelete S3 requests based on entries received from objectsCh
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func (c Client) removeObjects(ctx context.Context, bucketName string, objectsCh <-chan ObjectInfo, errorCh chan<- RemoveObjectError, opts RemoveObjectsOptions) {
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maxEntries := 1000
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finish := false
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urlValues := make(url.Values)
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urlValues.Set("delete", "")
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// Close error channel when Multi delete finishes.
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defer close(errorCh)
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// Loop over entries by 1000 and call MultiDelete requests
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for {
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if finish {
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break
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}
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count := 0
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var batch []ObjectInfo
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// Try to gather 1000 entries
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for object := range objectsCh {
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if hasInvalidXMLChar(object.Key) {
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// Use single DELETE so the object name will be in the request URL instead of the multi-delete XML document.
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err := c.removeObject(ctx, bucketName, object.Key, RemoveObjectOptions{
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VersionID: object.VersionID,
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GovernanceBypass: opts.GovernanceBypass,
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})
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if err != nil {
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// Version does not exist is not an error ignore and continue.
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switch ToErrorResponse(err).Code {
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case "InvalidArgument", "NoSuchVersion":
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continue
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}
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errorCh <- RemoveObjectError{
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ObjectName: object.Key,
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VersionID: object.VersionID,
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Err: err,
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}
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}
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continue
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}
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batch = append(batch, object)
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if count++; count >= maxEntries {
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break
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}
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}
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if count == 0 {
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// Multi Objects Delete API doesn't accept empty object list, quit immediately
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break
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}
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if count < maxEntries {
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// We didn't have 1000 entries, so this is the last batch
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finish = true
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}
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// Build headers.
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headers := make(http.Header)
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if opts.GovernanceBypass {
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// Set the bypass goverenance retention header
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headers.Set(amzBypassGovernance, "true")
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}
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// Generate remove multi objects XML request
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removeBytes := generateRemoveMultiObjectsRequest(batch)
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// Execute GET on bucket to list objects.
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resp, err := c.executeMethod(ctx, http.MethodPost, requestMetadata{
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bucketName: bucketName,
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queryValues: urlValues,
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contentBody: bytes.NewReader(removeBytes),
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contentLength: int64(len(removeBytes)),
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contentMD5Base64: sumMD5Base64(removeBytes),
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contentSHA256Hex: sum256Hex(removeBytes),
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customHeader: headers,
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})
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if resp != nil {
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if resp.StatusCode != http.StatusOK {
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e := httpRespToErrorResponse(resp, bucketName, "")
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errorCh <- RemoveObjectError{ObjectName: "", Err: e}
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}
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}
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if err != nil {
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for _, b := range batch {
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errorCh <- RemoveObjectError{
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ObjectName: b.Key,
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VersionID: b.VersionID,
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Err: err,
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}
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}
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continue
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}
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// Process multiobjects remove xml response
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processRemoveMultiObjectsResponse(resp.Body, batch, errorCh)
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closeResponse(resp)
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}
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}
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// RemoveIncompleteUpload aborts an partially uploaded object.
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func (c Client) RemoveIncompleteUpload(ctx context.Context, bucketName, objectName string) 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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if err := s3utils.CheckValidObjectName(objectName); err != nil {
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return err
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}
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// Find multipart upload ids of the object to be aborted.
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uploadIDs, err := c.findUploadIDs(ctx, bucketName, objectName)
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if err != nil {
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return err
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}
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for _, uploadID := range uploadIDs {
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// abort incomplete multipart upload, based on the upload id passed.
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err := c.abortMultipartUpload(ctx, bucketName, objectName, uploadID)
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if err != nil {
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return err
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}
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}
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return nil
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}
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// abortMultipartUpload aborts a multipart upload for the given
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// uploadID, all previously uploaded parts are deleted.
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func (c Client) abortMultipartUpload(ctx context.Context, bucketName, objectName, uploadID string) 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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if err := s3utils.CheckValidObjectName(objectName); err != nil {
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return err
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}
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// Initialize url queries.
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urlValues := make(url.Values)
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urlValues.Set("uploadId", uploadID)
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// Execute DELETE on multipart upload.
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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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contentSHA256Hex: emptySHA256Hex,
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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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if resp.StatusCode != http.StatusNoContent {
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// Abort has no response body, handle it for any errors.
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var errorResponse ErrorResponse
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switch resp.StatusCode {
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case http.StatusNotFound:
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// This is needed specifically for abort and it cannot
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// be converged into default case.
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errorResponse = ErrorResponse{
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Code: "NoSuchUpload",
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Message: "The specified multipart upload does not exist.",
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BucketName: bucketName,
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Key: objectName,
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RequestID: resp.Header.Get("x-amz-request-id"),
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HostID: resp.Header.Get("x-amz-id-2"),
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Region: resp.Header.Get("x-amz-bucket-region"),
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}
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default:
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return httpRespToErrorResponse(resp, bucketName, objectName)
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}
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return errorResponse
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}
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}
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return nil
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}
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