mirror of
https://github.com/seaweedfs/seaweedfs.git
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298 lines
9.9 KiB
Go
298 lines
9.9 KiB
Go
package s3api
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import (
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"encoding/xml"
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"fmt"
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"github.com/chrislusf/seaweedfs/weed/s3api/s3err"
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"path/filepath"
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"strconv"
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"strings"
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"time"
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"github.com/aws/aws-sdk-go/aws"
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"github.com/aws/aws-sdk-go/service/s3"
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"github.com/google/uuid"
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"github.com/chrislusf/seaweedfs/weed/filer"
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"github.com/chrislusf/seaweedfs/weed/glog"
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"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
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)
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type InitiateMultipartUploadResult struct {
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XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ InitiateMultipartUploadResult"`
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s3.CreateMultipartUploadOutput
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}
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func (s3a *S3ApiServer) createMultipartUpload(input *s3.CreateMultipartUploadInput) (output *InitiateMultipartUploadResult, code s3err.ErrorCode) {
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glog.V(2).Infof("createMultipartUpload input %v", input)
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uploadId, _ := uuid.NewRandom()
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uploadIdString := uploadId.String()
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if err := s3a.mkdir(s3a.genUploadsFolder(*input.Bucket), uploadIdString, func(entry *filer_pb.Entry) {
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if entry.Extended == nil {
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entry.Extended = make(map[string][]byte)
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}
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entry.Extended["key"] = []byte(*input.Key)
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for k, v := range input.Metadata {
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entry.Extended[k] = []byte(*v)
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}
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if input.ContentType != nil {
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entry.Attributes.Mime = *input.ContentType
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}
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}); err != nil {
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glog.Errorf("NewMultipartUpload error: %v", err)
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return nil, s3err.ErrInternalError
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}
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output = &InitiateMultipartUploadResult{
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CreateMultipartUploadOutput: s3.CreateMultipartUploadOutput{
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Bucket: input.Bucket,
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Key: objectKey(input.Key),
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UploadId: aws.String(uploadIdString),
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},
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}
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return
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}
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type CompleteMultipartUploadResult struct {
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XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ CompleteMultipartUploadResult"`
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s3.CompleteMultipartUploadOutput
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}
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func (s3a *S3ApiServer) completeMultipartUpload(input *s3.CompleteMultipartUploadInput) (output *CompleteMultipartUploadResult, code s3err.ErrorCode) {
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glog.V(2).Infof("completeMultipartUpload input %v", input)
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uploadDirectory := s3a.genUploadsFolder(*input.Bucket) + "/" + *input.UploadId
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entries, _, err := s3a.list(uploadDirectory, "", "", false, maxPartsList)
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if err != nil || len(entries) == 0 {
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glog.Errorf("completeMultipartUpload %s %s error: %v, entries:%d", *input.Bucket, *input.UploadId, err, len(entries))
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return nil, s3err.ErrNoSuchUpload
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}
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pentry, err := s3a.getEntry(s3a.genUploadsFolder(*input.Bucket), *input.UploadId)
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if err != nil {
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glog.Errorf("completeMultipartUpload %s %s error: %v", *input.Bucket, *input.UploadId, err)
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return nil, s3err.ErrNoSuchUpload
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}
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var finalParts []*filer_pb.FileChunk
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var offset int64
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var mime string
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for _, entry := range entries {
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if strings.HasSuffix(entry.Name, ".part") && !entry.IsDirectory {
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if entry.Name == "0001.part" && entry.Attributes.Mime != "" {
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mime = entry.Attributes.Mime
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}
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for _, chunk := range entry.Chunks {
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p := &filer_pb.FileChunk{
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FileId: chunk.GetFileIdString(),
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Offset: offset,
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Size: chunk.Size,
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Mtime: chunk.Mtime,
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CipherKey: chunk.CipherKey,
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ETag: chunk.ETag,
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}
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finalParts = append(finalParts, p)
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offset += int64(chunk.Size)
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}
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}
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}
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entryName := filepath.Base(*input.Key)
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dirName := filepath.Dir(*input.Key)
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if dirName == "." {
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dirName = ""
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}
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if strings.HasPrefix(dirName, "/") {
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dirName = dirName[1:]
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}
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dirName = fmt.Sprintf("%s/%s/%s", s3a.option.BucketsPath, *input.Bucket, dirName)
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// remove suffix '/'
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if strings.HasSuffix(dirName, "/") {
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dirName = dirName[:len(dirName)-1]
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}
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err = s3a.mkFile(dirName, entryName, finalParts, func(entry *filer_pb.Entry) {
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if entry.Extended == nil {
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entry.Extended = make(map[string][]byte)
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}
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for k, v := range pentry.Extended {
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if k != "key" {
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entry.Extended[k] = v
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}
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}
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if pentry.Attributes.Mime != "" {
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entry.Attributes.Mime = pentry.Attributes.Mime
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} else if mime != "" {
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entry.Attributes.Mime = mime
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}
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})
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if err != nil {
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glog.Errorf("completeMultipartUpload %s/%s error: %v", dirName, entryName, err)
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return nil, s3err.ErrInternalError
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}
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output = &CompleteMultipartUploadResult{
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CompleteMultipartUploadOutput: s3.CompleteMultipartUploadOutput{
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Location: aws.String(fmt.Sprintf("http://%s%s/%s", s3a.option.Filer.ToHttpAddress(), urlPathEscape(dirName), urlPathEscape(entryName))),
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Bucket: input.Bucket,
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ETag: aws.String("\"" + filer.ETagChunks(finalParts) + "\""),
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Key: objectKey(input.Key),
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},
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}
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if err = s3a.rm(s3a.genUploadsFolder(*input.Bucket), *input.UploadId, false, true); err != nil {
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glog.V(1).Infof("completeMultipartUpload cleanup %s upload %s: %v", *input.Bucket, *input.UploadId, err)
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}
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return
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}
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func (s3a *S3ApiServer) abortMultipartUpload(input *s3.AbortMultipartUploadInput) (output *s3.AbortMultipartUploadOutput, code s3err.ErrorCode) {
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glog.V(2).Infof("abortMultipartUpload input %v", input)
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exists, err := s3a.exists(s3a.genUploadsFolder(*input.Bucket), *input.UploadId, true)
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if err != nil {
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glog.V(1).Infof("bucket %s abort upload %s: %v", *input.Bucket, *input.UploadId, err)
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return nil, s3err.ErrNoSuchUpload
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}
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if exists {
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err = s3a.rm(s3a.genUploadsFolder(*input.Bucket), *input.UploadId, true, true)
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}
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if err != nil {
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glog.V(1).Infof("bucket %s remove upload %s: %v", *input.Bucket, *input.UploadId, err)
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return nil, s3err.ErrInternalError
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}
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return &s3.AbortMultipartUploadOutput{}, s3err.ErrNone
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}
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type ListMultipartUploadsResult struct {
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XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ListMultipartUploadsResult"`
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// copied from s3.ListMultipartUploadsOutput, the Uploads is not converting to <Upload></Upload>
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Bucket *string `type:"string"`
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Delimiter *string `type:"string"`
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EncodingType *string `type:"string" enum:"EncodingType"`
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IsTruncated *bool `type:"boolean"`
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KeyMarker *string `type:"string"`
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MaxUploads *int64 `type:"integer"`
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NextKeyMarker *string `type:"string"`
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NextUploadIdMarker *string `type:"string"`
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Prefix *string `type:"string"`
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UploadIdMarker *string `type:"string"`
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Upload []*s3.MultipartUpload `locationName:"Upload" type:"list" flattened:"true"`
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}
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func (s3a *S3ApiServer) listMultipartUploads(input *s3.ListMultipartUploadsInput) (output *ListMultipartUploadsResult, code s3err.ErrorCode) {
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// https://docs.aws.amazon.com/AmazonS3/latest/API/API_ListMultipartUploads.html
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glog.V(2).Infof("listMultipartUploads input %v", input)
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output = &ListMultipartUploadsResult{
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Bucket: input.Bucket,
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Delimiter: input.Delimiter,
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EncodingType: input.EncodingType,
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KeyMarker: input.KeyMarker,
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MaxUploads: input.MaxUploads,
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Prefix: input.Prefix,
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}
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entries, isLast, err := s3a.list(s3a.genUploadsFolder(*input.Bucket), "", *input.UploadIdMarker, false, uint32(*input.MaxUploads))
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if err != nil {
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glog.Errorf("listMultipartUploads %s error: %v", *input.Bucket, err)
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return
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}
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output.IsTruncated = aws.Bool(!isLast)
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for _, entry := range entries {
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if entry.Extended != nil {
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key := string(entry.Extended["key"])
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if *input.KeyMarker != "" && *input.KeyMarker != key {
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continue
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}
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if *input.Prefix != "" && !strings.HasPrefix(key, *input.Prefix) {
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continue
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}
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output.Upload = append(output.Upload, &s3.MultipartUpload{
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Key: objectKey(aws.String(key)),
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UploadId: aws.String(entry.Name),
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})
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if !isLast {
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output.NextUploadIdMarker = aws.String(entry.Name)
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}
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}
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}
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return
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}
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type ListPartsResult struct {
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XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ListPartsResult"`
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// copied from s3.ListPartsOutput, the Parts is not converting to <Part></Part>
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Bucket *string `type:"string"`
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IsTruncated *bool `type:"boolean"`
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Key *string `min:"1" type:"string"`
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MaxParts *int64 `type:"integer"`
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NextPartNumberMarker *int64 `type:"integer"`
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PartNumberMarker *int64 `type:"integer"`
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Part []*s3.Part `locationName:"Part" type:"list" flattened:"true"`
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StorageClass *string `type:"string" enum:"StorageClass"`
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UploadId *string `type:"string"`
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}
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func (s3a *S3ApiServer) listObjectParts(input *s3.ListPartsInput) (output *ListPartsResult, code s3err.ErrorCode) {
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// https://docs.aws.amazon.com/AmazonS3/latest/API/API_ListParts.html
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glog.V(2).Infof("listObjectParts input %v", input)
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output = &ListPartsResult{
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Bucket: input.Bucket,
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Key: objectKey(input.Key),
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UploadId: input.UploadId,
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MaxParts: input.MaxParts, // the maximum number of parts to return.
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PartNumberMarker: input.PartNumberMarker, // the part number starts after this, exclusive
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StorageClass: aws.String("STANDARD"),
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}
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entries, isLast, err := s3a.list(s3a.genUploadsFolder(*input.Bucket)+"/"+*input.UploadId, "", fmt.Sprintf("%04d.part", *input.PartNumberMarker), false, uint32(*input.MaxParts))
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if err != nil {
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glog.Errorf("listObjectParts %s %s error: %v", *input.Bucket, *input.UploadId, err)
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return nil, s3err.ErrNoSuchUpload
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}
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output.IsTruncated = aws.Bool(!isLast)
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for _, entry := range entries {
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if strings.HasSuffix(entry.Name, ".part") && !entry.IsDirectory {
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partNumberString := entry.Name[:len(entry.Name)-len(".part")]
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partNumber, err := strconv.Atoi(partNumberString)
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if err != nil {
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glog.Errorf("listObjectParts %s %s parse %s: %v", *input.Bucket, *input.UploadId, entry.Name, err)
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continue
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}
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output.Part = append(output.Part, &s3.Part{
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PartNumber: aws.Int64(int64(partNumber)),
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LastModified: aws.Time(time.Unix(entry.Attributes.Mtime, 0).UTC()),
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Size: aws.Int64(int64(filer.FileSize(entry))),
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ETag: aws.String("\"" + filer.ETag(entry) + "\""),
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})
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if !isLast {
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output.NextPartNumberMarker = aws.Int64(int64(partNumber))
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}
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}
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}
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return
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}
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