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[#274] Refactor system cache and cors

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Signed-off-by: Angira Kekteeva <kira@nspcc.ru>
This commit is contained in:
Angira Kekteeva 2021-10-13 21:50:02 +03:00 committed by Alex Vanin
parent 5b4b9df031
commit 91bed76010
7 changed files with 192 additions and 159 deletions
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30
api/cache/system.go vendored
View file

@ -4,7 +4,7 @@ import (
"time"
"github.com/bluele/gcache"
"github.com/nspcc-dev/neofs-api-go/pkg/object"
"github.com/nspcc-dev/neofs-s3-gw/api/data"
)
// SystemCache provides lru cache for objects.
@ -32,14 +32,14 @@ func NewSystemCache(config *Config) *SystemCache {
return &SystemCache{cache: gc}
}
// Get returns cached object.
func (o *SystemCache) Get(key string) *object.Object {
// GetObject returns cached object.
func (o *SystemCache) GetObject(key string) *data.ObjectInfo {
entry, err := o.cache.Get(key)
if err != nil {
return nil
}
result, ok := entry.(*object.Object)
result, ok := entry.(*data.ObjectInfo)
if !ok {
return nil
}
@ -47,8 +47,26 @@ func (o *SystemCache) Get(key string) *object.Object {
return result
}
// Put puts an object to cache.
func (o *SystemCache) Put(key string, obj *object.Object) error {
func (o *SystemCache) GetCORS(key string) *data.CORSConfiguration {
entry, err := o.cache.Get(key)
if err != nil {
return nil
}
result, ok := entry.(*data.CORSConfiguration)
if !ok {
return nil
}
return result
}
// PutObject puts an object to cache.
func (o *SystemCache) PutObject(key string, obj *data.ObjectInfo) error {
return o.cache.Set(key, obj)
}
func (o *SystemCache) PutCORS(key string, obj *data.CORSConfiguration) error {
return o.cache.Set(key, obj)
}

17
api/data/info.go
View file

@ -1,6 +1,7 @@
package data
import (
"encoding/xml"
"time"
cid "github.com/nspcc-dev/neofs-api-go/pkg/container/id"
@ -39,6 +40,22 @@ type (
Owner *owner.ID
Headers map[string]string
}
// CORSConfiguration stores CORS configuration of a request.
CORSConfiguration struct {
XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ CORSConfiguration" json:"-"`
CORSRules []CORSRule `xml:"CORSRule" json:"CORSRules"`
}
// CORSRule stores rules for CORS in a bucket.
CORSRule struct {
ID string `xml:"ID,omitempty" json:"ID,omitempty"`
AllowedHeaders []string `xml:"AllowedHeader" json:"AllowedHeaders"`
AllowedMethods []string `xml:"AllowedMethod" json:"AllowedMethods"`
AllowedOrigins []string `xml:"AllowedOrigin" json:"AllowedOrigins"`
ExposeHeaders []string `xml:"ExposeHeader" json:"ExposeHeaders"`
MaxAgeSeconds int `xml:"MaxAgeSeconds,omitempty" json:"MaxAgeSeconds,omitempty"`
}
)
// SettingsObjectName is system name for bucket settings file.

81
api/handler/cors.go
View file

@ -1,8 +1,6 @@
package handler
import (
"encoding/xml"
"fmt"
"net/http"
"strconv"
"strings"
@ -12,31 +10,12 @@ import (
"github.com/nspcc-dev/neofs-s3-gw/api/layer"
)
type (
// CORSConfiguration stores CORS configuration of a request.
CORSConfiguration struct {
XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ CORSConfiguration" json:"-"`
CORSRules []CORSRule `xml:"CORSRule" json:"CORSRules"`
}
// CORSRule stores rules for CORS in a bucket.
CORSRule struct {
ID string `xml:"ID,omitempty" json:"ID,omitempty"`
AllowedHeaders []string `xml:"AllowedHeader" json:"AllowedHeaders"`
AllowedMethods []string `xml:"AllowedMethod" json:"AllowedMethods"`
AllowedOrigins []string `xml:"AllowedOrigin" json:"AllowedOrigins"`
ExposeHeaders []string `xml:"ExposeHeader" json:"ExposeHeaders"`
MaxAgeSeconds int `xml:"MaxAgeSeconds,omitempty" json:"MaxAgeSeconds,omitempty"`
}
)
const (
// DefaultMaxAge -- default value of Access-Control-Max-Age if this value is not set in a rule.
DefaultMaxAge = 600
wildcard = "*"
)
var supportedMethods = map[string]struct{}{"GET": {}, "HEAD": {}, "POST": {}, "PUT": {}, "DELETE": {}}
func (h *handler) GetBucketCorsHandler(w http.ResponseWriter, r *http.Request) {
reqInfo := api.GetReqInfo(r.Context())
@ -51,13 +30,16 @@ func (h *handler) GetBucketCorsHandler(w http.ResponseWriter, r *http.Request) {
return
}
info, err := h.obj.GetBucketCORS(r.Context(), bktInfo)
cors, err := h.obj.GetBucketCORS(r.Context(), bktInfo)
if err != nil {
h.logAndSendError(w, "could not get cors", reqInfo, err)
return
}
api.WriteResponse(w, http.StatusOK, info, api.MimeNone)
if err = api.EncodeToResponse(w, cors); err != nil {
h.logAndSendError(w, "could not encode cors to response", reqInfo, err)
return
}
}
func (h *handler) PutBucketCorsHandler(w http.ResponseWriter, r *http.Request) {
@ -74,30 +56,9 @@ func (h *handler) PutBucketCorsHandler(w http.ResponseWriter, r *http.Request) {
return
}
cors := &CORSConfiguration{}
if err := xml.NewDecoder(r.Body).Decode(cors); err != nil {
h.logAndSendError(w, "could not parse cors configuration", reqInfo, err)
return
}
if cors.CORSRules == nil {
h.logAndSendError(w, "could not parse cors rules", reqInfo, errors.GetAPIError(errors.ErrMalformedXML))
return
}
if err = checkCORS(cors); err != nil {
h.logAndSendError(w, "invalid cors configuration", reqInfo, err)
return
}
xml, err := xml.Marshal(cors)
if err != nil {
h.logAndSendError(w, "could not encode cors configuration to xml", reqInfo, err)
return
}
p := &layer.PutCORSParams{
BktInfo: bktInfo,
CORSConfiguration: xml,
Reader: r.Body,
}
if err = h.obj.PutBucketCORS(r.Context(), p); err != nil {
@ -146,14 +107,11 @@ func (h *handler) AppendCORSHeaders(w http.ResponseWriter, r *http.Request) {
return
}
info, err := h.obj.GetBucketCORS(r.Context(), bktInfo)
cors, err := h.obj.GetBucketCORS(r.Context(), bktInfo)
if err != nil {
return
}
cors := &CORSConfiguration{}
if err = xml.Unmarshal(info, cors); err != nil {
return
}
withCredentials := r.Header.Get(api.Authorization) != ""
for _, rule := range cors.CORSRules {
@ -213,16 +171,11 @@ func (h *handler) Preflight(w http.ResponseWriter, r *http.Request) {
headers = strings.Split(requestHeaders, ", ")
}
info, err := h.obj.GetBucketCORS(r.Context(), bktInfo)
cors, err := h.obj.GetBucketCORS(r.Context(), bktInfo)
if err != nil {
h.logAndSendError(w, "could not get cors", reqInfo, err)
return
}
cors := &CORSConfiguration{}
if err = xml.Unmarshal(info, cors); err != nil {
h.logAndSendError(w, "could not parse cors configuration", reqInfo, err)
return
}
for _, rule := range cors.CORSRules {
for _, o := range rule.AllowedOrigins {
@ -258,22 +211,6 @@ func (h *handler) Preflight(w http.ResponseWriter, r *http.Request) {
h.logAndSendError(w, "Forbidden", reqInfo, errors.GetAPIError(errors.ErrAccessDenied))
}
func checkCORS(cors *CORSConfiguration) error {
for _, r := range cors.CORSRules {
for _, m := range r.AllowedMethods {
if _, ok := supportedMethods[m]; !ok {
return errors.GetAPIErrorWithError(errors.ErrCORSUnsupportedMethod, fmt.Errorf("unsupported method is %s", m))
}
}
for _, h := range r.ExposeHeaders {
if h == wildcard {
return errors.GetAPIError(errors.ErrCORSWildcardExposeHeaders)
}
}
}
return nil
}
func checkSubslice(slice []string, subSlice []string) bool {
if sliceContains(slice, wildcard) {
return true

70
api/layer/cors.go
View file

@ -1,28 +1,66 @@
package layer
import (
"bytes"
"context"
"encoding/xml"
"fmt"
"io"
"github.com/nspcc-dev/neofs-s3-gw/api/data"
"github.com/nspcc-dev/neofs-s3-gw/api/errors"
"go.uber.org/zap"
)
const wildcard = "*"
var supportedMethods = map[string]struct{}{"GET": {}, "HEAD": {}, "POST": {}, "PUT": {}, "DELETE": {}}
func (n *layer) PutBucketCORS(ctx context.Context, p *PutCORSParams) error {
var (
buf bytes.Buffer
tee = io.TeeReader(p.Reader, &buf)
cors = &data.CORSConfiguration{}
)
if err := xml.NewDecoder(tee).Decode(cors); err != nil {
return err
}
if cors.CORSRules == nil {
return errors.GetAPIError(errors.ErrMalformedXML)
}
if err := checkCORS(cors); err != nil {
return err
}
s := &PutSystemObjectParams{
BktInfo: p.BktInfo,
ObjName: p.BktInfo.CORSObjectName(),
Metadata: map[string]string{},
Prefix: "",
Payload: p.CORSConfiguration,
Reader: &buf,
}
_, err := n.putSystemObject(ctx, s)
obj, err := n.putSystemObjectIntoNeoFS(ctx, s)
if err != nil {
return err
}
func (n *layer) GetBucketCORS(ctx context.Context, bktInfo *data.BucketInfo) ([]byte, error) {
obj, err := n.getSystemObject(ctx, bktInfo, bktInfo.CORSObjectName())
if obj.Size == 0 {
return errors.GetAPIError(errors.ErrInternalError)
}
if err = n.systemCache.PutCORS(systemObjectKey(p.BktInfo, s.ObjName), cors); err != nil {
n.log.Error("couldn't cache system object", zap.Error(err))
}
return nil
}
func (n *layer) GetBucketCORS(ctx context.Context, bktInfo *data.BucketInfo) (*data.CORSConfiguration, error) {
cors, err := n.getCORS(ctx, bktInfo, bktInfo.CORSObjectName())
if err != nil {
if errors.IsS3Error(err, errors.ErrNoSuchKey) {
return nil, errors.GetAPIError(errors.ErrNoSuchCORSConfiguration)
@ -30,13 +68,25 @@ func (n *layer) GetBucketCORS(ctx context.Context, bktInfo *data.BucketInfo) ([]
return nil, err
}
if obj.Payload() == nil {
return nil, errors.GetAPIError(errors.ErrInternalError)
}
return obj.Payload(), nil
return cors, nil
}
func (n *layer) DeleteBucketCORS(ctx context.Context, bktInfo *data.BucketInfo) error {
return n.deleteSystemObject(ctx, bktInfo, bktInfo.CORSObjectName())
}
func checkCORS(cors *data.CORSConfiguration) error {
for _, r := range cors.CORSRules {
for _, m := range r.AllowedMethods {
if _, ok := supportedMethods[m]; !ok {
return errors.GetAPIErrorWithError(errors.ErrCORSUnsupportedMethod, fmt.Errorf("unsupported method is %s", m))
}
}
for _, h := range r.ExposeHeaders {
if h == wildcard {
return errors.GetAPIError(errors.ErrCORSWildcardExposeHeaders)
}
}
}
return nil
}

10
api/layer/layer.go
View file

@ -94,7 +94,7 @@ type (
// PutCORSParams stores PutCORS request parameters.
PutCORSParams struct {
BktInfo *data.BucketInfo
CORSConfiguration []byte
Reader io.Reader
}
// BucketSettings stores settings such as versioning.
@ -134,7 +134,7 @@ type (
ObjName string
Metadata map[string]string
Prefix string
Payload []byte
Reader io.Reader
}
// ListObjectVersionsParams stores list objects versions parameters.
@ -175,7 +175,7 @@ type (
GetBucketVersioning(ctx context.Context, name string) (*BucketSettings, error)
PutBucketCORS(ctx context.Context, p *PutCORSParams) error
GetBucketCORS(ctx context.Context, bktInfo *data.BucketInfo) ([]byte, error)
GetBucketCORS(ctx context.Context, bktInfo *data.BucketInfo) (*data.CORSConfiguration, error)
DeleteBucketCORS(ctx context.Context, bktInfo *data.BucketInfo) error
ListBuckets(ctx context.Context) ([]*data.BucketInfo, error)
@ -453,7 +453,7 @@ func (n *layer) PutObjectTagging(ctx context.Context, p *PutTaggingParams) error
ObjName: p.ObjectInfo.TagsObject(),
Metadata: p.TagSet,
Prefix: tagPrefix,
Payload: nil,
Reader: nil,
}
if _, err := n.putSystemObject(ctx, s); err != nil {
@ -475,7 +475,7 @@ func (n *layer) PutBucketTagging(ctx context.Context, bucketName string, tagSet
ObjName: formBucketTagObjectName(bucketName),
Metadata: tagSet,
Prefix: tagPrefix,
Payload: nil,
Reader: nil,
}
if _, err = n.putSystemObject(ctx, s); err != nil {

130
api/layer/system_object.go
View file

@ -1,8 +1,8 @@
package layer
import (
"bytes"
"context"
"encoding/xml"
"strconv"
"time"
@ -13,7 +13,53 @@ import (
"go.uber.org/zap"
)
func (n *layer) putSystemObject(ctx context.Context, p *PutSystemObjectParams) (*object.Object, error) {
func (n *layer) putSystemObject(ctx context.Context, p *PutSystemObjectParams) (*data.ObjectInfo, error) {
objInfo, err := n.putSystemObjectIntoNeoFS(ctx, p)
if err != nil {
return nil, err
}
if err = n.systemCache.PutObject(systemObjectKey(p.BktInfo, p.ObjName), objInfo); err != nil {
n.log.Error("couldn't cache system object", zap.Error(err))
}
return objInfo, nil
}
func (n *layer) headSystemObject(ctx context.Context, bkt *data.BucketInfo, objName string) (*data.ObjectInfo, error) {
if objInfo := n.systemCache.GetObject(systemObjectKey(bkt, objName)); objInfo != nil {
return objInfo, nil
}
versions, err := n.headSystemVersions(ctx, bkt, objName)
if err != nil {
return nil, err
}
if err = n.systemCache.PutObject(systemObjectKey(bkt, objName), versions.getLast()); err != nil {
n.log.Error("couldn't cache system object", zap.Error(err))
}
return versions.getLast(), nil
}
func (n *layer) deleteSystemObject(ctx context.Context, bktInfo *data.BucketInfo, name string) error {
ids, err := n.objectSearch(ctx, &findParams{cid: bktInfo.CID, attr: objectSystemAttributeName, val: name})
if err != nil {
return err
}
for _, id := range ids {
if err = n.objectDelete(ctx, bktInfo.CID, id); err != nil {
return err
}
}
n.systemCache.Delete(systemObjectKey(bktInfo, name))
return nil
}
func (n *layer) putSystemObjectIntoNeoFS(ctx context.Context, p *PutSystemObjectParams) (*data.ObjectInfo, error) {
versions, err := n.headSystemVersions(ctx, p.BktInfo, p.ObjName)
if err != nil && !errors.IsS3Error(err, errors.ErrNoSuchKey) {
return nil, err
@ -51,7 +97,7 @@ func (n *layer) putSystemObject(ctx context.Context, p *PutSystemObjectParams) (
raw.SetContainerID(p.BktInfo.CID)
raw.SetAttributes(attributes...)
ops := new(client.PutObjectParams).WithObject(raw.Object()).WithPayloadReader(bytes.NewReader(p.Payload))
ops := new(client.PutObjectParams).WithObject(raw.Object()).WithPayloadReader(p.Reader)
oid, err := n.pool.PutObject(ctx, ops, n.BearerOpt(ctx))
if err != nil {
return nil, err
@ -62,14 +108,6 @@ func (n *layer) putSystemObject(ctx context.Context, p *PutSystemObjectParams) (
return nil, err
}
if p.Payload != nil {
meta.ToV2().SetPayload(p.Payload)
}
if err = n.systemCache.Put(systemObjectKey(p.BktInfo, p.ObjName), meta); err != nil {
n.log.Error("couldn't cache system object", zap.Error(err))
}
for _, id := range idsToDeleteArr {
if err = n.objectDelete(ctx, p.BktInfo.CID, id); err != nil {
n.log.Warn("couldn't delete system object",
@ -79,63 +117,52 @@ func (n *layer) putSystemObject(ctx context.Context, p *PutSystemObjectParams) (
}
}
return meta, nil
}
func (n *layer) headSystemObject(ctx context.Context, bkt *data.BucketInfo, objName string) (*data.ObjectInfo, error) {
if meta := n.systemCache.Get(systemObjectKey(bkt, objName)); meta != nil {
return objInfoFromMeta(bkt, meta), nil
return objInfoFromMeta(p.BktInfo, meta), nil
}
func (n *layer) getSystemObjectFromNeoFS(ctx context.Context, bkt *data.BucketInfo, objName string) (*object.Object, error) {
versions, err := n.headSystemVersions(ctx, bkt, objName)
if err != nil {
return nil, err
}
return versions.getLast(), nil
}
func (n *layer) getSystemObject(ctx context.Context, bktInfo *data.BucketInfo, objName string) (*object.Object, error) {
if meta := n.systemCache.Get(systemObjectKey(bktInfo, objName)); meta != nil {
return meta, nil
}
versions, err := n.headSystemVersions(ctx, bktInfo, objName)
if err != nil {
return nil, err
}
objInfo := versions.getLast()
obj, err := n.objectGet(ctx, bktInfo.CID, objInfo.ID)
obj, err := n.objectGet(ctx, bkt.CID, objInfo.ID)
if err != nil {
return nil, err
}
if err = n.systemCache.Put(systemObjectKey(bktInfo, objName), obj); err != nil {
n.log.Warn("couldn't put system meta to objects cache",
zap.Stringer("object id", obj.ID()),
zap.Stringer("bucket id", obj.ContainerID()),
zap.Error(err))
if len(obj.Payload()) == 0 {
return nil, errors.GetAPIError(errors.ErrInternalError)
}
return obj, nil
}
func (n *layer) deleteSystemObject(ctx context.Context, bktInfo *data.BucketInfo, name string) error {
ids, err := n.objectSearch(ctx, &findParams{cid: bktInfo.CID, attr: objectSystemAttributeName, val: name})
func (n *layer) getCORS(ctx context.Context, bkt *data.BucketInfo, sysName string) (*data.CORSConfiguration, error) {
if cors := n.systemCache.GetCORS(systemObjectKey(bkt, sysName)); cors != nil {
return cors, nil
}
obj, err := n.getSystemObjectFromNeoFS(ctx, bkt, sysName)
if err != nil {
return err
return nil, err
}
for _, id := range ids {
if err = n.objectDelete(ctx, bktInfo.CID, id); err != nil {
return err
}
cors := &data.CORSConfiguration{}
if err = xml.Unmarshal(obj.Payload(), &cors); err != nil {
return nil, err
}
n.systemCache.Delete(systemObjectKey(bktInfo, name))
return nil
if err = n.systemCache.PutCORS(systemObjectKey(bkt, sysName), cors); err != nil {
n.log.Warn("couldn't put system meta to objects cache",
zap.Stringer("object id", obj.ID()),
zap.Stringer("bucket id", bkt.CID),
zap.Error(err))
}
return cors, nil
}
func (n *layer) headSystemVersions(ctx context.Context, bkt *data.BucketInfo, sysName string) (*objectVersions, error) {
@ -144,9 +171,6 @@ func (n *layer) headSystemVersions(ctx context.Context, bkt *data.BucketInfo, sy
return nil, err
}
// should be changed when system cache will store payload instead of meta
metas := make(map[string]*object.Object, len(ids))
versions := newObjectVersions(sysName)
for _, id := range ids {
meta, err := n.objectHead(ctx, bkt.CID, id)
@ -163,7 +187,6 @@ func (n *layer) headSystemVersions(ctx context.Context, bkt *data.BucketInfo, sy
continue
}
versions.appendVersion(oi)
metas[oi.Version()] = meta
}
}
@ -172,13 +195,6 @@ func (n *layer) headSystemVersions(ctx context.Context, bkt *data.BucketInfo, sy
return nil, errors.GetAPIError(errors.ErrNoSuchKey)
}
if err = n.systemCache.Put(systemObjectKey(bkt, sysName), metas[lastVersion.Version()]); err != nil {
n.log.Warn("couldn't put system meta to objects cache",
zap.Stringer("object id", lastVersion.ID),
zap.Stringer("bucket id", bkt.CID),
zap.Error(err))
}
return versions, nil
}

9
api/layer/versioning.go
View file

@ -253,15 +253,10 @@ func (n *layer) PutBucketVersioning(ctx context.Context, p *PutVersioningParams)
ObjName: bktInfo.SettingsObjectName(),
Metadata: metadata,
Prefix: "",
Payload: nil,
Reader: nil,
}
meta, err := n.putSystemObject(ctx, s)
if err != nil {
return nil, err
}
return objInfoFromMeta(bktInfo, meta), nil
return n.putSystemObject(ctx, s)
}
func (n *layer) GetBucketVersioning(ctx context.Context, bucketName string) (*BucketSettings, error) {