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vendor/github.com/aws/aws-sdk-go/service/rds/customizations.go

@@ -0,0 +1,125 @@
+package rds
+
+import (
+	"time"
+
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/aws/awsutil"
+	"github.com/aws/aws-sdk-go/aws/endpoints"
+	"github.com/aws/aws-sdk-go/aws/request"
+)
+
+func init() {
+	ops := []string{
+		opCopyDBSnapshot,
+		opCreateDBInstanceReadReplica,
+		opCopyDBClusterSnapshot,
+		opCreateDBCluster,
+	}
+	initRequest = func(r *request.Request) {
+		for _, operation := range ops {
+			if r.Operation.Name == operation {
+				r.Handlers.Build.PushFront(fillPresignedURL)
+			}
+		}
+	}
+}
+
+func fillPresignedURL(r *request.Request) {
+	fns := map[string]func(r *request.Request){
+		opCopyDBSnapshot:              copyDBSnapshotPresign,
+		opCreateDBInstanceReadReplica: createDBInstanceReadReplicaPresign,
+		opCopyDBClusterSnapshot:       copyDBClusterSnapshotPresign,
+		opCreateDBCluster:             createDBClusterPresign,
+	}
+	if !r.ParamsFilled() {
+		return
+	}
+	if f, ok := fns[r.Operation.Name]; ok {
+		f(r)
+	}
+}
+
+func copyDBSnapshotPresign(r *request.Request) {
+	originParams := r.Params.(*CopyDBSnapshotInput)
+
+	if originParams.SourceRegion == nil || originParams.PreSignedUrl != nil || originParams.DestinationRegion != nil {
+		return
+	}
+
+	originParams.DestinationRegion = r.Config.Region
+	newParams := awsutil.CopyOf(r.Params).(*CopyDBSnapshotInput)
+	originParams.PreSignedUrl = presignURL(r, originParams.SourceRegion, newParams)
+}
+
+func createDBInstanceReadReplicaPresign(r *request.Request) {
+	originParams := r.Params.(*CreateDBInstanceReadReplicaInput)
+
+	if originParams.SourceRegion == nil || originParams.PreSignedUrl != nil || originParams.DestinationRegion != nil {
+		return
+	}
+
+	originParams.DestinationRegion = r.Config.Region
+	newParams := awsutil.CopyOf(r.Params).(*CreateDBInstanceReadReplicaInput)
+	originParams.PreSignedUrl = presignURL(r, originParams.SourceRegion, newParams)
+}
+
+func copyDBClusterSnapshotPresign(r *request.Request) {
+	originParams := r.Params.(*CopyDBClusterSnapshotInput)
+
+	if originParams.SourceRegion == nil || originParams.PreSignedUrl != nil || originParams.DestinationRegion != nil {
+		return
+	}
+
+	originParams.DestinationRegion = r.Config.Region
+	newParams := awsutil.CopyOf(r.Params).(*CopyDBClusterSnapshotInput)
+	originParams.PreSignedUrl = presignURL(r, originParams.SourceRegion, newParams)
+}
+
+func createDBClusterPresign(r *request.Request) {
+	originParams := r.Params.(*CreateDBClusterInput)
+
+	if originParams.SourceRegion == nil || originParams.PreSignedUrl != nil || originParams.DestinationRegion != nil {
+		return
+	}
+
+	originParams.DestinationRegion = r.Config.Region
+	newParams := awsutil.CopyOf(r.Params).(*CreateDBClusterInput)
+	originParams.PreSignedUrl = presignURL(r, originParams.SourceRegion, newParams)
+}
+
+// presignURL will presign the request by using SoureRegion to sign with. SourceRegion is not
+// sent to the service, and is only used to not have the SDKs parsing ARNs.
+func presignURL(r *request.Request, sourceRegion *string, newParams interface{}) *string {
+	cfg := r.Config.Copy(aws.NewConfig().
+		WithEndpoint("").
+		WithRegion(aws.StringValue(sourceRegion)))
+
+	clientInfo := r.ClientInfo
+	resolved, err := r.Config.EndpointResolver.EndpointFor(
+		clientInfo.ServiceName, aws.StringValue(cfg.Region),
+		func(opt *endpoints.Options) {
+			opt.DisableSSL = aws.BoolValue(cfg.DisableSSL)
+			opt.UseDualStack = aws.BoolValue(cfg.UseDualStack)
+		},
+	)
+	if err != nil {
+		r.Error = err
+		return nil
+	}
+
+	clientInfo.Endpoint = resolved.URL
+	clientInfo.SigningRegion = resolved.SigningRegion
+
+	// Presign a request with modified params
+	req := request.New(*cfg, clientInfo, r.Handlers, r.Retryer, r.Operation, newParams, r.Data)
+	req.Operation.HTTPMethod = "GET"
+	uri, err := req.Presign(5 * time.Minute) // 5 minutes should be enough.
+	if err != nil {                          // bubble error back up to original request
+		r.Error = err
+		return nil
+	}
+
+	// We have our URL, set it on params
+	return &uri
+}