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oracle/neofs: change result types

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1. `GetHash` returnes '0x'-prefixed little-endian hex-string.
2. `GetPayload` and `GetRange` assume result is UTF-8.
This commit is contained in:
Evgeniy Stratonikov 2021-03-12 14:19:04 +03:00
parent 540c6c13a9
commit e8b95ebf3e
2 changed files with 26 additions and 3 deletions
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19
pkg/services/oracle/neofs/neofs.go
View file

@ -9,9 +9,11 @@ import (
"net/url"
"strconv"
"strings"
"unicode/utf8"
"github.com/gogo/protobuf/jsonpb"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/nspcc-dev/neofs-api-go/pkg/client"
"github.com/nspcc-dev/neofs-api-go/pkg/container"
"github.com/nspcc-dev/neofs-api-go/pkg/object"
@ -104,7 +106,7 @@ func getPayload(ctx context.Context, c *client.Client, addr *object.Address) ([]
if err != nil {
return nil, err
}
return obj.Payload(), nil
return checkUTF8(obj.Payload())
}
func getRange(ctx context.Context, c *client.Client, addr *object.Address, ps ...string) ([]byte, error) {
@ -115,7 +117,11 @@ func getRange(ctx context.Context, c *client.Client, addr *object.Address, ps ..
if err != nil {
return nil, err
}
return c.ObjectPayloadRangeData(ctx, new(client.RangeDataParams).WithAddress(addr).WithRange(r))
data, err := c.ObjectPayloadRangeData(ctx, new(client.RangeDataParams).WithAddress(addr).WithRange(r))
if err != nil {
return nil, err
}
return checkUTF8(data)
}
func getHeader(ctx context.Context, c *client.Client, addr *object.Address) ([]byte, error) {
@ -149,7 +155,7 @@ func getHash(ctx context.Context, c *client.Client, addr *object.Address, ps ...
if len(hashes) == 0 {
return nil, fmt.Errorf("%w: empty response", ErrInvalidRange)
}
return hashes[0][:], nil
return util.Uint256(hashes[0]).MarshalJSON()
}
func parseRange(s string) (*object.Range, error) {
@ -171,3 +177,10 @@ func parseRange(s string) (*object.Range, error) {
r.SetLength(length)
return r, nil
}
func checkUTF8(v []byte) ([]byte, error) {
if !utf8.Valid(v) {
return nil, errors.New("invalid UTF-8")
}
return v, nil
}

10
pkg/services/oracle/neofs/neofs_test.go
View file

@ -81,3 +81,13 @@ func TestParseNeoFSURL(t *testing.T) {
}
}
func Test_checkUTF8(t *testing.T) {
_, err := checkUTF8([]byte{0xFF})
require.Error(t, err)
a := []byte{1, 2, 3}
b, err := checkUTF8(a)
require.NoError(t, err)
require.Equal(t, a, b)
}