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package s3shared
import (
"fmt"
"strings"
awsarn "github.com/aws/aws-sdk-go-v2/aws/arn"
"github.com/aws/aws-sdk-go-v2/service/internal/s3shared/arn"
)
// ResourceRequest represents an ARN resource and api request metadata
type ResourceRequest struct {
Resource arn.Resource
// RequestRegion is the region configured on the request config
RequestRegion string
// SigningRegion is the signing region resolved for the request
SigningRegion string
// PartitionID is the resolved partition id for the provided request region
PartitionID string
// UseARNRegion indicates if client should use the region provided in an ARN resource
UseARNRegion bool
// UseFIPS indicates if te client is configured for FIPS
UseFIPS bool
}
// ARN returns the resource ARN
func (r ResourceRequest) ARN() awsarn.ARN {
return r.Resource.GetARN()
}
// ResourceConfiguredForFIPS returns true if resource ARNs region is FIPS
//
// Deprecated: FIPS will not be present in the ARN region
func (r ResourceRequest) ResourceConfiguredForFIPS() bool {
return IsFIPS(r.ARN().Region)
}
// AllowCrossRegion returns a bool value to denote if S3UseARNRegion flag is set
func (r ResourceRequest) AllowCrossRegion() bool {
return r.UseARNRegion
}
// IsCrossPartition returns true if request is configured for region of another partition, than
// the partition that resource ARN region resolves to. IsCrossPartition will not return an error,
// if request is not configured with a specific partition id. This might happen if customer provides
// custom endpoint url, but does not associate a partition id with it.
func (r ResourceRequest) IsCrossPartition() (bool, error) {
rv := r.PartitionID
if len(rv) == 0 {
return false, nil
}
av := r.Resource.GetARN().Partition
if len(av) == 0 {
return false, fmt.Errorf("no partition id for provided ARN")
}
return !strings.EqualFold(rv, av), nil
}
// IsCrossRegion returns true if request signing region is not same as arn region
func (r ResourceRequest) IsCrossRegion() bool {
v := r.SigningRegion
return !strings.EqualFold(v, r.Resource.GetARN().Region)
}
// IsFIPS returns true if region is a fips pseudo-region
//
// Deprecated: FIPS should be specified via EndpointOptions.
func IsFIPS(region string) bool {
return strings.HasPrefix(region, "fips-") ||
strings.HasSuffix(region, "-fips")
}
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