117 lines
2.9 KiB
Go
117 lines
2.9 KiB
Go
package handler
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import (
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"context"
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errorsStd "errors"
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"net/http"
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"strconv"
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"strings"
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"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api"
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"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/data"
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"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/errors"
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"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/layer"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/session"
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"go.uber.org/zap"
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)
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func (h *handler) logAndSendError(w http.ResponseWriter, logText string, reqInfo *api.ReqInfo, err error, additional ...zap.Field) {
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code := api.WriteErrorResponse(w, reqInfo, transformToS3Error(err))
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fields := []zap.Field{
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zap.Int("status", code),
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zap.String("request_id", reqInfo.RequestID),
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zap.String("method", reqInfo.API),
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zap.String("bucket", reqInfo.BucketName),
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zap.String("object", reqInfo.ObjectName),
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zap.String("description", logText),
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zap.Error(err)}
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fields = append(fields, additional...)
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h.log.Error("call method", fields...)
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}
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func transformToS3Error(err error) error {
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if _, ok := err.(errors.Error); ok {
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return err
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}
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if errorsStd.Is(err, layer.ErrAccessDenied) ||
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errorsStd.Is(err, layer.ErrNodeAccessDenied) {
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return errors.GetAPIError(errors.ErrAccessDenied)
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}
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return errors.GetAPIError(errors.ErrInternalError)
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}
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func (h *handler) ResolveBucket(ctx context.Context, bucket string) (*data.BucketInfo, error) {
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return h.obj.GetBucketInfo(ctx, bucket)
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}
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func (h *handler) getBucketAndCheckOwner(r *http.Request, bucket string, header ...string) (*data.BucketInfo, error) {
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bktInfo, err := h.obj.GetBucketInfo(r.Context(), bucket)
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if err != nil {
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return nil, err
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}
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var expected string
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if len(header) == 0 {
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expected = r.Header.Get(api.AmzExpectedBucketOwner)
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} else {
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expected = r.Header.Get(header[0])
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}
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if len(expected) == 0 {
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return bktInfo, nil
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}
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return bktInfo, checkOwner(bktInfo, expected)
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}
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func parseRange(s string) (*layer.RangeParams, error) {
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if s == "" {
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return nil, nil
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}
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prefix := "bytes="
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if !strings.HasPrefix(s, prefix) {
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return nil, errors.GetAPIError(errors.ErrInvalidRange)
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}
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s = strings.TrimPrefix(s, prefix)
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valuesStr := strings.Split(s, "-")
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if len(valuesStr) != 2 {
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return nil, errors.GetAPIError(errors.ErrInvalidRange)
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}
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values := make([]uint64, 0, len(valuesStr))
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for _, v := range valuesStr {
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num, err := strconv.ParseUint(v, 10, 64)
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if err != nil {
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return nil, errors.GetAPIError(errors.ErrInvalidRange)
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}
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values = append(values, num)
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}
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if values[0] > values[1] {
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return nil, errors.GetAPIError(errors.ErrInvalidRange)
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}
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return &layer.RangeParams{
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Start: values[0],
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End: values[1],
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}, nil
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}
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func getSessionTokenSetEACL(ctx context.Context) (*session.Container, error) {
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boxData, err := layer.GetBoxData(ctx)
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if err != nil {
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return nil, err
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}
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sessionToken := boxData.Gate.SessionTokenForSetEACL()
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if sessionToken == nil {
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return nil, errors.GetAPIError(errors.ErrAccessDenied)
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}
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return sessionToken, nil
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}
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