Added POST method to upload files into NeoFS through HTTP Gate
- Updated README - Added method to upload files into NeoFS - HTTP Upload Header Filter loaded from settings - Added `HeaderFilter` that filters headers (object attributes) Signed-off-by: Evgeniy Kulikov <kim@nspcc.ru>
This commit is contained in:
Evgeniy Kulikov
parent
67684c5d8a
commit
462de45e12
5 changed files with 257 additions and 3 deletions
|
|
@ -68,4 +68,9 @@ Peers preset:
|
|||
|
||||
HTTP_GW_PEERS_[N]_ADDRESS = string
|
||||
HTTP_GW_PEERS_[N]_WEIGHT = 0..1 (float)
|
||||
|
||||
Upload Header Table:
|
||||
|
||||
HTTP_GW_UPLOADER_HEADER_[N]_KEY = string - HTTP Header attribute name (except `X-Attribute-`)
|
||||
HTTP_GW_UPLOADER_HEADER_[N]_VAL = string - NeoFS Object attribute mapping
|
||||
```
|
||||
8
app.go
8
app.go
|
|
@ -26,6 +26,8 @@ type (
|
|||
cfg *viper.Viper
|
||||
key *ecdsa.PrivateKey
|
||||
|
||||
hdr HeaderFilter
|
||||
|
||||
wlog logger.Logger
|
||||
web *fasthttp.Server
|
||||
|
||||
|
|
@ -74,6 +76,8 @@ func newApp(ctx context.Context, opt ...Option) App {
|
|||
opt[i](a)
|
||||
}
|
||||
|
||||
a.hdr = newHeaderFilter(a.log, a.cfg)
|
||||
|
||||
a.wlog = logger.GRPC(a.log)
|
||||
|
||||
if a.cfg.GetBool(cmdVerbose) {
|
||||
|
|
@ -90,7 +94,6 @@ func newApp(ctx context.Context, opt ...Option) App {
|
|||
a.web.WriteBufferSize = a.cfg.GetInt(cfgWebWriteBufferSize)
|
||||
a.web.ReadTimeout = a.cfg.GetDuration(cfgWebReadTimeout)
|
||||
a.web.WriteTimeout = a.cfg.GetDuration(cfgWebWriteTimeout)
|
||||
a.web.GetOnly = true
|
||||
a.web.DisableHeaderNamesNormalizing = true
|
||||
a.web.NoDefaultServerHeader = true
|
||||
a.web.NoDefaultContentType = true
|
||||
|
|
@ -174,6 +177,9 @@ func (a *app) Serve(ctx context.Context) {
|
|||
r := router.New()
|
||||
r.RedirectTrailingSlash = true
|
||||
|
||||
a.log.Info("enabled /put/{cid}")
|
||||
r.POST("/put/{cid}", a.upload)
|
||||
|
||||
a.log.Info("enabled /get/{cid}/{oid}")
|
||||
r.GET("/get/{cid}/{oid}", a.byAddress)
|
||||
|
||||
|
|
|
|||
86
filter.go
Normal file
86
filter.go
Normal file
|
|
@ -0,0 +1,86 @@
|
|||
package main
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"strconv"
|
||||
"strings"
|
||||
|
||||
"github.com/nspcc-dev/neofs-api-go/pkg/object"
|
||||
"github.com/spf13/viper"
|
||||
"github.com/valyala/fasthttp"
|
||||
"go.uber.org/zap"
|
||||
)
|
||||
|
||||
type (
|
||||
HeaderFilter interface {
|
||||
Filter(header *fasthttp.RequestHeader) map[string]string
|
||||
}
|
||||
|
||||
headerFilter struct {
|
||||
logger *zap.Logger
|
||||
mapping map[string]string
|
||||
}
|
||||
)
|
||||
|
||||
const userAttributeHeader = "X-Attribute-"
|
||||
|
||||
func newHeaderFilter(l *zap.Logger, v *viper.Viper) HeaderFilter {
|
||||
filter := &headerFilter{
|
||||
logger: l,
|
||||
mapping: make(map[string]string),
|
||||
}
|
||||
|
||||
for i := 0; ; i++ {
|
||||
index := strconv.Itoa(i)
|
||||
key := strings.Join([]string{cfgUploaderHeader, index, cfgUploaderHeaderKey}, ".")
|
||||
rep := strings.Join([]string{cfgUploaderHeader, index, cfgUploaderHeaderVal}, ".")
|
||||
|
||||
keyValue := v.GetString(key)
|
||||
repValue := v.GetString(rep)
|
||||
|
||||
if keyValue == "" || repValue == "" {
|
||||
break
|
||||
}
|
||||
|
||||
filter.mapping[keyValue] = repValue
|
||||
|
||||
l.Debug("load upload header table value",
|
||||
zap.String("key", keyValue),
|
||||
zap.String("val", repValue))
|
||||
}
|
||||
|
||||
// Default values
|
||||
filter.mapping[object.AttributeFileName] = object.AttributeFileName
|
||||
filter.mapping[object.AttributeTimestamp] = object.AttributeTimestamp
|
||||
|
||||
return filter
|
||||
}
|
||||
|
||||
func (h *headerFilter) Filter(header *fasthttp.RequestHeader) map[string]string {
|
||||
result := make(map[string]string)
|
||||
prefix := []byte(userAttributeHeader)
|
||||
|
||||
header.VisitAll(func(key, val []byte) {
|
||||
if len(key) == 0 || len(val) == 0 {
|
||||
return
|
||||
} else if !bytes.HasPrefix(key, prefix) {
|
||||
return
|
||||
} else if key = bytes.TrimPrefix(key, prefix); len(key) == 0 {
|
||||
return
|
||||
} else if name, ok := h.mapping[string(key)]; ok {
|
||||
result[name] = string(val)
|
||||
|
||||
h.logger.Debug("add attribute to result object",
|
||||
zap.String("key", name),
|
||||
zap.String("val", string(val)))
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
h.logger.Debug("ignore attribute",
|
||||
zap.String("key", string(key)),
|
||||
zap.String("val", string(val)))
|
||||
})
|
||||
|
||||
return result
|
||||
}
|
||||
13
settings.go
13
settings.go
|
|
@ -17,7 +17,6 @@ type empty int
|
|||
|
||||
const (
|
||||
devNull = empty(0)
|
||||
generated = "generated"
|
||||
|
||||
defaultRebalanceTimer = 15 * time.Second
|
||||
defaultRequestTimeout = 15 * time.Second
|
||||
|
|
@ -54,6 +53,11 @@ const (
|
|||
cfgLoggerSamplingInitial = "logger.sampling.initial"
|
||||
cfgLoggerSamplingThereafter = "logger.sampling.thereafter"
|
||||
|
||||
// Uploader Header
|
||||
cfgUploaderHeader = "uploader_header"
|
||||
cfgUploaderHeaderKey = "key"
|
||||
cfgUploaderHeaderVal = "val"
|
||||
|
||||
// Peers
|
||||
cfgPeers = "peers"
|
||||
|
||||
|
|
@ -179,6 +183,13 @@ func settings() *viper.Viper {
|
|||
fmt.Printf("%s_%s_[N]_ADDRESS = string\n", Prefix, strings.ToUpper(cfgPeers))
|
||||
fmt.Printf("%s_%s_[N]_WEIGHT = 0..1 (float)\n", Prefix, strings.ToUpper(cfgPeers))
|
||||
|
||||
fmt.Println()
|
||||
fmt.Println("Upload Header Table:")
|
||||
fmt.Println()
|
||||
|
||||
fmt.Printf("%s_%s_[N]_%s = string\n", Prefix, strings.ToUpper(cfgUploaderHeader), strings.ToUpper(cfgUploaderHeaderKey))
|
||||
fmt.Printf("%s_%s_[N]_%s = string\n", Prefix, strings.ToUpper(cfgUploaderHeader), strings.ToUpper(cfgUploaderHeaderVal))
|
||||
|
||||
os.Exit(0)
|
||||
case version != nil && *version:
|
||||
fmt.Printf("NeoFS HTTP Gateway %s (%s)\n", Version, Build)
|
||||
|
|
|
|||
146
upload.go
Normal file
146
upload.go
Normal file
|
|
@ -0,0 +1,146 @@
|
|||
package main
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"io"
|
||||
"io/ioutil"
|
||||
"mime/multipart"
|
||||
"os"
|
||||
"strconv"
|
||||
"time"
|
||||
|
||||
sdk "github.com/nspcc-dev/cdn-sdk"
|
||||
"github.com/nspcc-dev/neofs-api-go/pkg/container"
|
||||
"github.com/nspcc-dev/neofs-api-go/pkg/object"
|
||||
"github.com/valyala/fasthttp"
|
||||
"go.uber.org/zap"
|
||||
)
|
||||
|
||||
type putResponse struct {
|
||||
OID string `json:"object_id"`
|
||||
CID string `json:"container_id"`
|
||||
}
|
||||
|
||||
func newPutResponse(addr *object.Address) *putResponse {
|
||||
return &putResponse{
|
||||
OID: addr.ObjectID().String(),
|
||||
CID: addr.ContainerID().String(),
|
||||
}
|
||||
}
|
||||
|
||||
func (pr *putResponse) Encode(w io.Writer) error {
|
||||
enc := json.NewEncoder(w)
|
||||
enc.SetIndent("", "\t")
|
||||
return enc.Encode(pr)
|
||||
}
|
||||
|
||||
func (a *app) upload(c *fasthttp.RequestCtx) {
|
||||
var (
|
||||
err error
|
||||
name string
|
||||
tmp *os.File
|
||||
addr *object.Address
|
||||
form *multipart.Form
|
||||
cid = container.NewID()
|
||||
sCID, _ = c.UserValue("cid").(string)
|
||||
|
||||
log = a.log.With(zap.String("cid", sCID))
|
||||
)
|
||||
|
||||
if err = cid.Parse(sCID); err != nil {
|
||||
log.Error("wrong container id", zap.Error(err))
|
||||
c.Error("wrong container id", fasthttp.StatusBadRequest)
|
||||
return
|
||||
}
|
||||
|
||||
if tmp, err = ioutil.TempFile("", "http-gate-upload-*"); err != nil {
|
||||
log.Error("could not prepare temporary file", zap.Error(err))
|
||||
c.Error("could not prepare temporary file", fasthttp.StatusBadRequest)
|
||||
return
|
||||
}
|
||||
|
||||
defer func() {
|
||||
tmpName := tmp.Name()
|
||||
|
||||
log.Debug("close temporary file", zap.Error(tmp.Close()))
|
||||
log.Debug("remove temporary file", zap.Error(os.RemoveAll(tmpName)))
|
||||
}()
|
||||
|
||||
if form, err = c.MultipartForm(); err != nil {
|
||||
log.Error("could not receive multipart form", zap.Error(err))
|
||||
c.Error("could not receive multipart form: "+err.Error(), fasthttp.StatusBadRequest)
|
||||
|
||||
return
|
||||
} else if ln := len(form.File); ln != 1 {
|
||||
log.Error("received multipart form with more then one file", zap.Int("count", ln))
|
||||
c.Error("received multipart form with more then one file", fasthttp.StatusBadRequest)
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
for _, file := range form.File {
|
||||
if ln := len(file); ln != 1 {
|
||||
log.Error("received multipart form file should contains one record", zap.Int("count", ln))
|
||||
c.Error("received multipart form file should contains one record", fasthttp.StatusBadRequest)
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
name = file[0].Filename
|
||||
|
||||
if err = fasthttp.SaveMultipartFile(file[0], tmp.Name()); err != nil {
|
||||
log.Error("could not store uploaded file into temporary", zap.Error(err))
|
||||
c.Error("could not store uploaded file into temporary", fasthttp.StatusBadRequest)
|
||||
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
filtered := a.hdr.Filter(&c.Request.Header)
|
||||
attributes := make([]*object.Attribute, 0, len(filtered))
|
||||
|
||||
for key, val := range filtered {
|
||||
attribute := object.NewAttribute()
|
||||
attribute.SetKey(key)
|
||||
attribute.SetValue(val)
|
||||
|
||||
attributes = append(attributes, attribute)
|
||||
}
|
||||
|
||||
// Attribute FileName wasn't set from header
|
||||
if _, ok := filtered[object.AttributeFileName]; ok {
|
||||
filename := object.NewAttribute()
|
||||
filename.SetKey(object.AttributeFileName)
|
||||
filename.SetValue(name)
|
||||
|
||||
attributes = append(attributes, filename)
|
||||
}
|
||||
|
||||
// Attribute Timestamp wasn't set from header
|
||||
if _, ok := filtered[object.AttributeTimestamp]; ok {
|
||||
timestamp := object.NewAttribute()
|
||||
timestamp.SetKey(object.AttributeTimestamp)
|
||||
timestamp.SetValue(strconv.FormatInt(time.Now().Unix(), 10))
|
||||
|
||||
attributes = append(attributes, timestamp)
|
||||
}
|
||||
|
||||
raw := object.NewRaw()
|
||||
raw.SetContainerID(cid)
|
||||
raw.SetOwnerID(a.cli.Owner()) // should be various: from sdk / BearerToken
|
||||
raw.SetAttributes(attributes...)
|
||||
|
||||
if addr, err = a.cli.Object().Put(c, raw.Object(), sdk.WithPutReader(tmp)); err != nil {
|
||||
log.Error("could not store file in NeoFS", zap.Error(err))
|
||||
c.Error("could not store file in NeoFS", fasthttp.StatusBadRequest)
|
||||
|
||||
return
|
||||
} else if err = newPutResponse(addr).Encode(c); err != nil {
|
||||
log.Error("could not prepare response", zap.Error(err))
|
||||
c.Error("could not prepare response", fasthttp.StatusBadRequest)
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
c.Response.SetStatusCode(fasthttp.StatusOK)
|
||||
}
|
||||
Loading…
Reference in a new issue