WIP

vendor/github.com/aws/aws-sdk-go/service/s3/internal/arn/accesspoint_arn.go

@@ -0,0 +1,45 @@
+package arn
+
+import (
+	"strings"
+
+	"github.com/aws/aws-sdk-go/aws/arn"
+)
+
+// AccessPointARN provides representation
+type AccessPointARN struct {
+	arn.ARN
+	AccessPointName string
+}
+
+// GetARN returns the base ARN for the Access Point resource
+func (a AccessPointARN) GetARN() arn.ARN {
+	return a.ARN
+}
+
+// ParseAccessPointResource attempts to parse the ARN's resource as an
+// AccessPoint resource.
+func ParseAccessPointResource(a arn.ARN, resParts []string) (AccessPointARN, error) {
+	if len(a.Region) == 0 {
+		return AccessPointARN{}, InvalidARNError{a, "region not set"}
+	}
+	if len(a.AccountID) == 0 {
+		return AccessPointARN{}, InvalidARNError{a, "account-id not set"}
+	}
+	if len(resParts) == 0 {
+		return AccessPointARN{}, InvalidARNError{a, "resource-id not set"}
+	}
+	if len(resParts) > 1 {
+		return AccessPointARN{}, InvalidARNError{a, "sub resource not supported"}
+	}
+
+	resID := resParts[0]
+	if len(strings.TrimSpace(resID)) == 0 {
+		return AccessPointARN{}, InvalidARNError{a, "resource-id not set"}
+	}
+
+	return AccessPointARN{
+		ARN:             a,
+		AccessPointName: resID,
+	}, nil
+}

vendor/github.com/aws/aws-sdk-go/service/s3/internal/arn/arn.go

@@ -0,0 +1,71 @@
+package arn
+
+import (
+	"strings"
+
+	"github.com/aws/aws-sdk-go/aws/arn"
+)
+
+// Resource provides the interfaces abstracting ARNs of specific resource
+// types.
+type Resource interface {
+	GetARN() arn.ARN
+	String() string
+}
+
+// ResourceParser provides the function for parsing an ARN's resource
+// component into a typed resource.
+type ResourceParser func(arn.ARN) (Resource, error)
+
+// ParseResource parses an AWS ARN into a typed resource for the S3 API.
+func ParseResource(s string, resParser ResourceParser) (resARN Resource, err error) {
+	a, err := arn.Parse(s)
+	if err != nil {
+		return nil, err
+	}
+
+	if len(a.Partition) == 0 {
+		return nil, InvalidARNError{a, "partition not set"}
+	}
+	if a.Service != "s3" {
+		return nil, InvalidARNError{a, "service is not S3"}
+	}
+	if len(a.Resource) == 0 {
+		return nil, InvalidARNError{a, "resource not set"}
+	}
+
+	return resParser(a)
+}
+
+// SplitResource splits the resource components by the ARN resource delimiters.
+func SplitResource(v string) []string {
+	var parts []string
+	var offset int
+
+	for offset <= len(v) {
+		idx := strings.IndexAny(v[offset:], "/:")
+		if idx < 0 {
+			parts = append(parts, v[offset:])
+			break
+		}
+		parts = append(parts, v[offset:idx+offset])
+		offset += idx + 1
+	}
+
+	return parts
+}
+
+// IsARN returns whether the given string is an ARN
+func IsARN(s string) bool {
+	return arn.IsARN(s)
+}
+
+// InvalidARNError provides the error for an invalid ARN error.
+type InvalidARNError struct {
+	ARN    arn.ARN
+	Reason string
+}
+
+func (e InvalidARNError) Error() string {
+	return "invalid Amazon S3 ARN, " + e.Reason + ", " + e.ARN.String()
+}