seaweedfs/weed/server/filer_server_handlers_write_cipher.go

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package weed_server
import (
"context"
"fmt"
"net/http"
"strings"
"time"
"github.com/chrislusf/seaweedfs/weed/filer2"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/operation"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
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"github.com/chrislusf/seaweedfs/weed/util"
)
// handling single chunk POST or PUT upload
func (fs *FilerServer) encrypt(ctx context.Context, w http.ResponseWriter, r *http.Request,
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replication string, collection string, dataCenter string, ttlSeconds int32, ttlString string, fsync bool) (filerResult *FilerPostResult, err error) {
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fileId, urlLocation, auth, err := fs.assignNewFileInfo(w, r, replication, collection, dataCenter, ttlString, fsync)
if err != nil || fileId == "" || urlLocation == "" {
return nil, fmt.Errorf("fail to allocate volume for %s, collection:%s, datacenter:%s", r.URL.Path, collection, dataCenter)
}
glog.V(4).Infof("write %s to %v", r.URL.Path, urlLocation)
// Note: encrypt(gzip(data)), encrypt data first, then gzip
sizeLimit := int64(fs.option.MaxMB) * 1024 * 1024
pu, err := needle.ParseUpload(r, sizeLimit)
uncompressedData := pu.Data
if pu.IsGzipped {
uncompressedData = pu.UncompressedData
}
if pu.MimeType == "" {
pu.MimeType = http.DetectContentType(uncompressedData)
}
uploadResult, uploadError := operation.UploadData(urlLocation, pu.FileName, true, uncompressedData, false, pu.MimeType, pu.PairMap, auth)
if uploadError != nil {
return nil, fmt.Errorf("upload to volume server: %v", uploadError)
}
// Save to chunk manifest structure
fileChunks := []*filer_pb.FileChunk{
{
FileId: fileId,
Offset: 0,
Size: uint64(uploadResult.Size),
Mtime: time.Now().UnixNano(),
ETag: uploadResult.Md5,
CipherKey: uploadResult.CipherKey,
IsGzipped: uploadResult.Gzip > 0,
},
}
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// fmt.Printf("uploaded: %+v\n", uploadResult)
path := r.URL.Path
if strings.HasSuffix(path, "/") {
if pu.FileName != "" {
path += pu.FileName
}
}
entry := &filer2.Entry{
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FullPath: util.FullPath(path),
Attr: filer2.Attr{
Mtime: time.Now(),
Crtime: time.Now(),
Mode: 0660,
Uid: OS_UID,
Gid: OS_GID,
Replication: replication,
Collection: collection,
TtlSec: ttlSeconds,
Mime: pu.MimeType,
},
Chunks: fileChunks,
}
filerResult = &FilerPostResult{
Name: pu.FileName,
Size: int64(pu.OriginalDataSize),
}
if dbErr := fs.filer.CreateEntry(ctx, entry, false); dbErr != nil {
fs.filer.DeleteChunks(entry.Chunks)
err = dbErr
filerResult.Error = dbErr.Error()
return
}
return
}