コード例 #1
0
ファイル: customizations.go プロジェクト: pwaller/mantle
func fillPresignedURL(r *request.Request) {
	if !r.ParamsFilled() {
		return
	}

	params := r.Params.(*CopySnapshotInput)

	// Stop if PresignedURL/DestinationRegion is set
	if params.PresignedUrl != nil || params.DestinationRegion != nil {
		return
	}

	// First generate a copy of parameters
	r.Params = awsutil.CopyOf(r.Params)
	params = r.Params.(*CopySnapshotInput)

	// Set destination region. Avoids infinite handler loop.
	// Also needed to sign sub-request.
	params.DestinationRegion = r.Service.Config.Region

	// Create a new client pointing at source region.
	// We will use this to presign the CopySnapshot request against
	// the source region
	config := r.Service.Config.Copy().
		WithEndpoint("").
		WithRegion(*params.SourceRegion)

	client := New(config)

	// Presign a CopySnapshot request with modified params
	req, _ := client.CopySnapshotRequest(params)
	url, err := req.Presign(300 * time.Second) // 5 minutes should be enough.

	if err != nil { // bubble error back up to original request
		r.Error = err
	}

	// We have our URL, set it on params
	params.PresignedUrl = &url
}