238 lines
7.2 KiB
Go
238 lines
7.2 KiB
Go
package uploader
|
|
|
|
import (
|
|
"context"
|
|
"encoding/binary"
|
|
"encoding/json"
|
|
"fmt"
|
|
"io"
|
|
"strconv"
|
|
"time"
|
|
|
|
"github.com/nspcc-dev/neofs-http-gw/response"
|
|
"github.com/nspcc-dev/neofs-http-gw/tokens"
|
|
"github.com/nspcc-dev/neofs-http-gw/utils"
|
|
"github.com/nspcc-dev/neofs-sdk-go/bearer"
|
|
cid "github.com/nspcc-dev/neofs-sdk-go/container/id"
|
|
"github.com/nspcc-dev/neofs-sdk-go/netmap"
|
|
"github.com/nspcc-dev/neofs-sdk-go/object"
|
|
"github.com/nspcc-dev/neofs-sdk-go/object/address"
|
|
oid "github.com/nspcc-dev/neofs-sdk-go/object/id"
|
|
"github.com/nspcc-dev/neofs-sdk-go/pool"
|
|
"github.com/nspcc-dev/neofs-sdk-go/user"
|
|
"github.com/valyala/fasthttp"
|
|
"go.uber.org/zap"
|
|
)
|
|
|
|
const (
|
|
jsonHeader = "application/json; charset=UTF-8"
|
|
drainBufSize = 4096
|
|
)
|
|
|
|
// Uploader is an upload request handler.
|
|
type Uploader struct {
|
|
appCtx context.Context
|
|
log *zap.Logger
|
|
pool *pool.Pool
|
|
enableDefaultTimestamp bool
|
|
}
|
|
|
|
type epochDurations struct {
|
|
currentEpoch uint64
|
|
msPerBlock int64
|
|
blockPerEpoch uint64
|
|
}
|
|
|
|
// New creates a new Uploader using specified logger, connection pool and
|
|
// other options.
|
|
func New(ctx context.Context, log *zap.Logger, conns *pool.Pool, enableDefaultTimestamp bool) *Uploader {
|
|
return &Uploader{ctx, log, conns, enableDefaultTimestamp}
|
|
}
|
|
|
|
// Upload handles multipart upload request.
|
|
func (u *Uploader) Upload(c *fasthttp.RequestCtx) {
|
|
var (
|
|
err error
|
|
file MultipartFile
|
|
idObj *oid.ID
|
|
addr = address.NewAddress()
|
|
idCnr = new(cid.ID)
|
|
scid, _ = c.UserValue("cid").(string)
|
|
log = u.log.With(zap.String("cid", scid))
|
|
bodyStream = c.RequestBodyStream()
|
|
drainBuf = make([]byte, drainBufSize)
|
|
)
|
|
if err = tokens.StoreBearerToken(c); err != nil {
|
|
log.Error("could not fetch bearer token", zap.Error(err))
|
|
response.Error(c, "could not fetch bearer token", fasthttp.StatusBadRequest)
|
|
return
|
|
}
|
|
if err = idCnr.DecodeString(scid); err != nil {
|
|
log.Error("wrong container id", zap.Error(err))
|
|
response.Error(c, "wrong container id", fasthttp.StatusBadRequest)
|
|
return
|
|
}
|
|
defer func() {
|
|
// If the temporary reader can be closed - let's close it.
|
|
if file == nil {
|
|
return
|
|
}
|
|
err := file.Close()
|
|
log.Debug(
|
|
"close temporary multipart/form file",
|
|
zap.Stringer("address", addr),
|
|
zap.String("filename", file.FileName()),
|
|
zap.Error(err),
|
|
)
|
|
}()
|
|
boundary := string(c.Request.Header.MultipartFormBoundary())
|
|
if file, err = fetchMultipartFile(u.log, bodyStream, boundary); err != nil {
|
|
log.Error("could not receive multipart/form", zap.Error(err))
|
|
response.Error(c, "could not receive multipart/form: "+err.Error(), fasthttp.StatusBadRequest)
|
|
return
|
|
}
|
|
filtered := filterHeaders(u.log, &c.Request.Header)
|
|
if needParseExpiration(filtered) {
|
|
epochDuration, err := getEpochDurations(c, u.pool)
|
|
if err != nil {
|
|
log.Error("could not get epoch durations from network info", zap.Error(err))
|
|
response.Error(c, "could not get epoch durations from network info: "+err.Error(), fasthttp.StatusBadRequest)
|
|
return
|
|
}
|
|
if err = prepareExpirationHeader(filtered, epochDuration); err != nil {
|
|
log.Error("could not parse expiration header", zap.Error(err))
|
|
response.Error(c, "could not parse expiration header: "+err.Error(), fasthttp.StatusBadRequest)
|
|
return
|
|
}
|
|
}
|
|
|
|
attributes := make([]object.Attribute, 0, len(filtered))
|
|
// prepares attributes from filtered headers
|
|
for key, val := range filtered {
|
|
attribute := object.NewAttribute()
|
|
attribute.SetKey(key)
|
|
attribute.SetValue(val)
|
|
attributes = append(attributes, *attribute)
|
|
}
|
|
// sets FileName attribute if it wasn't set from header
|
|
if _, ok := filtered[object.AttributeFileName]; !ok {
|
|
filename := object.NewAttribute()
|
|
filename.SetKey(object.AttributeFileName)
|
|
filename.SetValue(file.FileName())
|
|
attributes = append(attributes, *filename)
|
|
}
|
|
// sets Timestamp attribute if it wasn't set from header and enabled by settings
|
|
if _, ok := filtered[object.AttributeTimestamp]; !ok && u.enableDefaultTimestamp {
|
|
timestamp := object.NewAttribute()
|
|
timestamp.SetKey(object.AttributeTimestamp)
|
|
timestamp.SetValue(strconv.FormatInt(time.Now().Unix(), 10))
|
|
attributes = append(attributes, *timestamp)
|
|
}
|
|
id, bt := u.fetchOwnerAndBearerToken(c)
|
|
|
|
obj := object.New()
|
|
obj.SetContainerID(*idCnr)
|
|
obj.SetOwnerID(id)
|
|
obj.SetAttributes(attributes...)
|
|
|
|
var prm pool.PrmObjectPut
|
|
prm.SetHeader(*obj)
|
|
prm.SetPayload(file)
|
|
|
|
if bt != nil {
|
|
prm.UseBearer(*bt)
|
|
}
|
|
|
|
if idObj, err = u.pool.PutObject(u.appCtx, prm); err != nil {
|
|
log.Error("could not store file in neofs", zap.Error(err))
|
|
response.Error(c, "could not store file in neofs: "+err.Error(), fasthttp.StatusBadRequest)
|
|
return
|
|
}
|
|
|
|
addr.SetObjectID(*idObj)
|
|
addr.SetContainerID(*idCnr)
|
|
|
|
// Try to return the response, otherwise, if something went wrong, throw an error.
|
|
if err = newPutResponse(addr).encode(c); err != nil {
|
|
log.Error("could not encode response", zap.Error(err))
|
|
response.Error(c, "could not encode response", fasthttp.StatusBadRequest)
|
|
|
|
return
|
|
}
|
|
// Multipart is multipart and thus can contain more than one part which
|
|
// we ignore at the moment. Also, when dealing with chunked encoding
|
|
// the last zero-length chunk might be left unread (because multipart
|
|
// reader only cares about its boundary and doesn't look further) and
|
|
// it will be (erroneously) interpreted as the start of the next
|
|
// pipelined header. Thus we need to drain the body buffer.
|
|
for {
|
|
_, err = bodyStream.Read(drainBuf)
|
|
if err == io.EOF || err == io.ErrUnexpectedEOF {
|
|
break
|
|
}
|
|
}
|
|
// Report status code and content type.
|
|
c.Response.SetStatusCode(fasthttp.StatusOK)
|
|
c.Response.Header.SetContentType(jsonHeader)
|
|
}
|
|
|
|
func (u *Uploader) fetchOwnerAndBearerToken(ctx context.Context) (*user.ID, *bearer.Token) {
|
|
if tkn, err := tokens.LoadBearerToken(ctx); err == nil && tkn != nil {
|
|
issuer, _ := tkn.Issuer()
|
|
return &issuer, tkn
|
|
}
|
|
return u.pool.OwnerID(), nil
|
|
}
|
|
|
|
type putResponse struct {
|
|
ObjectID string `json:"object_id"`
|
|
ContainerID string `json:"container_id"`
|
|
}
|
|
|
|
func newPutResponse(addr *address.Address) *putResponse {
|
|
objID, _ := addr.ObjectID()
|
|
cnrID, _ := addr.ContainerID()
|
|
return &putResponse{
|
|
ObjectID: objID.String(),
|
|
ContainerID: cnrID.String(),
|
|
}
|
|
}
|
|
|
|
func (pr *putResponse) encode(w io.Writer) error {
|
|
enc := json.NewEncoder(w)
|
|
enc.SetIndent("", "\t")
|
|
return enc.Encode(pr)
|
|
}
|
|
|
|
func getEpochDurations(ctx context.Context, p *pool.Pool) (*epochDurations, error) {
|
|
networkInfo, err := p.NetworkInfo(ctx)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
res := &epochDurations{
|
|
currentEpoch: networkInfo.CurrentEpoch(),
|
|
msPerBlock: networkInfo.MsPerBlock(),
|
|
}
|
|
|
|
networkInfo.NetworkConfig().IterateParameters(func(parameter *netmap.NetworkParameter) bool {
|
|
if string(parameter.Key()) == "EpochDuration" {
|
|
data := make([]byte, 8)
|
|
copy(data, parameter.Value())
|
|
res.blockPerEpoch = binary.LittleEndian.Uint64(data)
|
|
return true
|
|
}
|
|
return false
|
|
})
|
|
if res.blockPerEpoch == 0 {
|
|
return nil, fmt.Errorf("not found param: EpochDuration")
|
|
}
|
|
return res, nil
|
|
}
|
|
|
|
func needParseExpiration(headers map[string]string) bool {
|
|
_, ok1 := headers[utils.ExpirationDurationAttr]
|
|
_, ok2 := headers[utils.ExpirationRFC3339Attr]
|
|
_, ok3 := headers[utils.ExpirationTimestampAttr]
|
|
return ok1 || ok2 || ok3
|
|
}
|