// 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.ClientInfo.TargetPrefix != "" || string(buf) != "{}" {
req.SetBufferBody(buf)
}
if req.ClientInfo.TargetPrefix != "" {
target := req.ClientInfo.TargetPrefix + "." + req.Operation.Name
req.HTTPRequest.Header.Add("X-Amz-Target", target)
}
if req.ClientInfo.JSONVersion != "" {
jsonVersion := req.ClientInfo.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 verifyReceiveMessage(r *request.Request) {
if r.DataFilled() && r.ParamsFilled() {
ids := []string{}
out := r.Data.(*ReceiveMessageOutput)
for i, msg := range out.Messages {
err := checksumsMatch(msg.Body, msg.MD5OfBody)
if err != nil {
if msg.MessageId == nil {
if r.Config.Logger != nil {
r.Config.Logger.Log(fmt.Sprintf(
"WARN: SQS.ReceiveMessage failed checksum request id: %s, message %d has no message ID.",
r.RequestID, i,
))
}
continue
}
ids = append(ids, *msg.MessageId)
}
}
if len(ids) > 0 {
setChecksumError(r, "invalid messages: %s", strings.Join(ids, ", "))
}
}
}
func addAccountID(r *request.Request) {
if !r.ParamsFilled() {
return
}
v := reflect.Indirect(reflect.ValueOf(r.Params))
if f := v.FieldByName("AccountId"); f.IsNil() {
f.Set(reflect.ValueOf(&defaultAccountID))
}
}
func verifySendMessage(r *request.Request) {
if r.DataFilled() && r.ParamsFilled() {
in := r.Params.(*SendMessageInput)
out := r.Data.(*SendMessageOutput)
err := checksumsMatch(in.MessageBody, out.MD5OfMessageBody)
if err != nil {
setChecksumError(r, err.Error())
}
}
}
func fillPresignedURL(r *request.Request) {
fns := map[string]func(r *request.Request){
opCopyDBSnapshot: copyDBSnapshotPresign,
}
if !r.ParamsFilled() {
return
}
if f, ok := fns[r.Operation.Name]; ok {
f(r)
}
}
func populateLocationConstraint(r *request.Request) {
if r.ParamsFilled() && aws.StringValue(r.Service.Config.Region) != "us-east-1" {
in := r.Params.(*CreateBucketInput)
if in.CreateBucketConfiguration == nil {
r.Params = awsutil.CopyOf(r.Params)
in = r.Params.(*CreateBucketInput)
in.CreateBucketConfiguration = &CreateBucketConfiguration{
LocationConstraint: r.Service.Config.Region,
}
}
}
}
// updatePredictEndpoint rewrites the request endpoint to use the
// "PredictEndpoint" parameter of the Predict operation.
func updatePredictEndpoint(r *request.Request) {
if !r.ParamsFilled() {
return
}
r.Service.Endpoint = *r.Params.(*PredictInput).PredictEndpoint
uri, err := url.Parse(r.Service.Endpoint)
if err != nil {
r.Error = err
return
}
r.HTTPRequest.URL = uri
}
func verifyReceiveMessage(r *request.Request) {
if r.DataFilled() && r.ParamsFilled() {
ids := []string{}
out := r.Data.(*ReceiveMessageOutput)
for _, msg := range out.Messages {
err := checksumsMatch(msg.Body, msg.MD5OfBody)
if err != nil {
ids = append(ids, *msg.MessageId)
}
}
if len(ids) > 0 {
setChecksumError(r, "invalid messages: %s", strings.Join(ids, ", "))
}
}
}
func fillPresignedURL(r *request.Request) {
if !r.ParamsFilled() {
return
}
origParams := r.Params.(*CopySnapshotInput)
// Stop if PresignedURL/DestinationRegion is set
if origParams.PresignedUrl != nil || origParams.DestinationRegion != nil {
return
}
origParams.DestinationRegion = r.Config.Region
newParams := awsutil.CopyOf(r.Params).(*CopySnapshotInput)
// Create a new request based on the existing request. We will use this to
// presign the CopySnapshot request against the source region.
cfg := r.Config.Copy(aws.NewConfig().
WithEndpoint("").
WithRegion(aws.StringValue(origParams.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
}
clientInfo.Endpoint = resolved.URL
clientInfo.SigningRegion = resolved.SigningRegion
// Presign a CopySnapshot request with modified params
req := request.New(*cfg, clientInfo, r.Handlers, r.Retryer, r.Operation, newParams, r.Data)
url, 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
}
// We have our URL, set it on params
origParams.PresignedUrl = &url
}
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
}
func verifySendMessageBatch(r *request.Request) {
if r.DataFilled() && r.ParamsFilled() {
entries := map[string]*SendMessageBatchResultEntry{}
ids := []string{}
out := r.Data.(*SendMessageBatchOutput)
for _, entry := range out.Successful {
entries[*entry.Id] = entry
}
in := r.Params.(*SendMessageBatchInput)
for _, entry := range in.Entries {
if e := entries[*entry.Id]; e != nil {
err := checksumsMatch(entry.MessageBody, e.MD5OfMessageBody)
if err != nil {
ids = append(ids, *e.MessageId)
}
}
}
if len(ids) > 0 {
setChecksumError(r, "invalid messages: %s", strings.Join(ids, ", "))
}
}
}
