// Build builds a JSON payload for a JSON RPC request. func Build(req *request.Request) { var buf []byte var err error if req.ParamsFilled() { buf, err = jsonutil.BuildJSON(req.Params) if err != nil { req.Error = awserr.New("SerializationError", "failed encoding JSON RPC request", err) return } } else { buf = emptyJSON } if req.Service.TargetPrefix != "" || string(buf) != "{}" { req.SetBufferBody(buf) } if req.Service.TargetPrefix != "" { target := req.Service.TargetPrefix + "." + req.Operation.Name req.HTTPRequest.Header.Add("X-Amz-Target", target) } if req.Service.JSONVersion != "" { jsonVersion := req.Service.JSONVersion req.HTTPRequest.Header.Add("Content-Type", "application/x-amz-json-"+jsonVersion) } }
// Build builds the REST component of a service request. func Build(r *request.Request) { if r.ParamsFilled() { v := reflect.ValueOf(r.Params).Elem() buildLocationElements(r, v) buildBody(r, v) } }
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 }