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[#158] Handled s3 errors on conditional headers

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Signed-off-by: Denis Kirillov <denis@nspcc.ru>
This commit is contained in:
Denis Kirillov 2021-07-14 15:51:45 +03:00
parent 7b1058a9bd
commit 352d5345fc
4 changed files with 31 additions and 26 deletions
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6
api/errors.go
View file

@ -62,6 +62,7 @@ const (
ErrNoSuchVersion
ErrNotImplemented
ErrPreconditionFailed
ErrNotModified
ErrRequestTimeTooSkewed
ErrSignatureDoesNotMatch
ErrMethodNotAllowed
@ -494,6 +495,11 @@ var errorCodes = errorCodeMap{
Description: "At least one of the pre-conditions you specified did not hold",
HTTPStatusCode: http.StatusPreconditionFailed,
},
ErrNotModified: {
Code: "NotModified",
Description: "The resource was not changed.",
HTTPStatusCode: http.StatusNotModified,
},
ErrRequestTimeTooSkewed: {
Code: "RequestTimeTooSkewed",
Description: "The difference between the request time and the server's time is too large.",

5
api/handler/copy.go
View file

@ -73,9 +73,8 @@ func (h *handler) CopyObjectHandler(w http.ResponseWriter, r *http.Request) {
return
}
status := checkPreconditions(inf, args.Conditional)
if status != http.StatusOK {
w.WriteHeader(status)
if err = checkPreconditions(inf, args.Conditional); err != nil {
api.WriteErrorResponse(r.Context(), w, api.GetAPIError(api.ErrPreconditionFailed), r.URL)
return
}

17
api/handler/get.go
View file

@ -96,9 +96,8 @@ func (h *handler) GetObjectHandler(w http.ResponseWriter, r *http.Request) {
return
}
status := checkPreconditions(inf, args.Conditional)
if status != http.StatusOK {
w.WriteHeader(status)
if err = checkPreconditions(inf, args.Conditional); err != nil {
api.WriteErrorResponse(r.Context(), w, err, r.URL)
return
}
@ -122,23 +121,23 @@ func (h *handler) GetObjectHandler(w http.ResponseWriter, r *http.Request) {
}
}
func checkPreconditions(inf *layer.ObjectInfo, args *conditionalArgs) int {
func checkPreconditions(inf *layer.ObjectInfo, args *conditionalArgs) error {
if len(args.IfMatch) > 0 && args.IfMatch != inf.HashSum {
return http.StatusPreconditionFailed
return api.GetAPIError(api.ErrPreconditionFailed)
}
if len(args.IfNoneMatch) > 0 && args.IfNoneMatch == inf.HashSum {
return http.StatusNotModified
return api.GetAPIError(api.ErrNotModified)
}
if args.IfModifiedSince != nil && inf.Created.Before(*args.IfModifiedSince) {
return http.StatusNotModified
return api.GetAPIError(api.ErrNotModified)
}
if args.IfUnmodifiedSince != nil && inf.Created.After(*args.IfUnmodifiedSince) {
if len(args.IfMatch) == 0 {
return http.StatusPreconditionFailed
return api.GetAPIError(api.ErrPreconditionFailed)
}
}
return http.StatusOK
return nil
}
func parseGetObjectArgs(headers http.Header) (*getObjectArgs, error) {

29
api/handler/get_test.go
View file

@ -5,6 +5,7 @@ import (
"testing"
"time"
"github.com/nspcc-dev/neofs-s3-gw/api"
"github.com/nspcc-dev/neofs-s3-gw/api/layer"
"github.com/stretchr/testify/require"
)
@ -58,79 +59,79 @@ func TestPreconditions(t *testing.T) {
name string
info *layer.ObjectInfo
args *conditionalArgs
expected int
expected error
}{
{
name: "no conditions",
info: new(layer.ObjectInfo),
args: new(conditionalArgs),
expected: http.StatusOK,
expected: nil,
},
{
name: "IfMatch true",
info: newInfo(etag, today),
args: &conditionalArgs{IfMatch: etag},
expected: http.StatusOK,
expected: nil,
},
{
name: "IfMatch false",
info: newInfo(etag, today),
args: &conditionalArgs{IfMatch: etag2},
expected: http.StatusPreconditionFailed},
expected: api.GetAPIError(api.ErrPreconditionFailed)},
{
name: "IfNoneMatch true",
info: newInfo(etag, today),
args: &conditionalArgs{IfNoneMatch: etag2},
expected: http.StatusOK},
expected: nil},
{
name: "IfNoneMatch false",
info: newInfo(etag, today),
args: &conditionalArgs{IfNoneMatch: etag},
expected: http.StatusNotModified},
expected: api.GetAPIError(api.ErrNotModified)},
{
name: "IfModifiedSince true",
info: newInfo(etag, today),
args: &conditionalArgs{IfModifiedSince: &yesterday},
expected: http.StatusOK},
expected: nil},
{
name: "IfModifiedSince false",
info: newInfo(etag, yesterday),
args: &conditionalArgs{IfModifiedSince: &today},
expected: http.StatusNotModified},
expected: api.GetAPIError(api.ErrNotModified)},
{
name: "IfUnmodifiedSince true",
info: newInfo(etag, yesterday),
args: &conditionalArgs{IfUnmodifiedSince: &today},
expected: http.StatusOK},
expected: nil},
{
name: "IfUnmodifiedSince false",
info: newInfo(etag, today),
args: &conditionalArgs{IfUnmodifiedSince: &yesterday},
expected: http.StatusPreconditionFailed},
expected: api.GetAPIError(api.ErrPreconditionFailed)},
{
name: "IfMatch true, IfUnmodifiedSince false",
info: newInfo(etag, today),
args: &conditionalArgs{IfMatch: etag, IfUnmodifiedSince: &yesterday},
expected: http.StatusOK,
expected: nil,
},
{
name: "IfMatch false, IfUnmodifiedSince true",
info: newInfo(etag, yesterday),
args: &conditionalArgs{IfMatch: etag2, IfUnmodifiedSince: &today},
expected: http.StatusPreconditionFailed,
expected: api.GetAPIError(api.ErrPreconditionFailed),
},
{
name: "IfNoneMatch false, IfModifiedSince true",
info: newInfo(etag, today),
args: &conditionalArgs{IfNoneMatch: etag, IfModifiedSince: &yesterday},
expected: http.StatusNotModified,
expected: api.GetAPIError(api.ErrNotModified),
},
{
name: "IfNoneMatch true, IfModifiedSince false",
info: newInfo(etag, yesterday),
args: &conditionalArgs{IfNoneMatch: etag2, IfModifiedSince: &today},
expected: http.StatusNotModified,
expected: api.GetAPIError(api.ErrNotModified),
},
} {
t.Run(tc.name, func(t *testing.T) {