// objectPut takes a format option, serializes bytes from stdin and updates the dag with that data
func objectPut(n *core.IpfsNode, input io.Reader, encoding string, dataFieldEncoding string) (*Object, error) {
data, err := ioutil.ReadAll(io.LimitReader(input, inputLimit+10))
if err != nil {
return nil, err
}
if len(data) >= inputLimit {
return nil, ErrObjectTooLarge
}
var dagnode *dag.Node
switch getObjectEnc(encoding) {
case objectEncodingJSON:
node := new(Node)
err = json.Unmarshal(data, node)
if err != nil {
return nil, err
}
// check that we have data in the Node to add
// otherwise we will add the empty object without raising an error
if NodeEmpty(node) {
return nil, ErrEmptyNode
}
dagnode, err = deserializeNode(node, dataFieldEncoding)
if err != nil {
return nil, err
}
case objectEncodingProtobuf:
dagnode, err = dag.DecodeProtobuf(data)
case objectEncodingXML:
node := new(Node)
err = xml.Unmarshal(data, node)
if err != nil {
return nil, err
}
// check that we have data in the Node to add
// otherwise we will add the empty object without raising an error
if NodeEmpty(node) {
return nil, ErrEmptyNode
}
dagnode, err = deserializeNode(node, dataFieldEncoding)
if err != nil {
return nil, err
}
default:
return nil, ErrUnknownObjectEnc
}
if err != nil {
return nil, err
}
_, err = n.DAG.Add(dagnode)
if err != nil {
return nil, err
}
return getOutput(dagnode)
}
for i, dagnode := range dagnodes {
output[i] = LsObject{
Hash: paths[i],
Links: make([]LsLink, len(dagnode.Links())),
}
for j, link := range dagnode.Links() {
var linkNode *merkledag.ProtoNode
t := unixfspb.Data_DataType(-1)
linkKey := link.Cid
if ok, err := nd.Blockstore.Has(linkKey); ok && err == nil {
b, err := nd.Blockstore.Get(linkKey)
if err != nil {
res.SetError(err, cmds.ErrNormal)
return
}
linkNode, err = merkledag.DecodeProtobuf(b.RawData())
if err != nil {
res.SetError(err, cmds.ErrNormal)
return
}
}
if linkNode == nil && resolve {
nd, err := link.GetNode(req.Context(), nd.DAG)
if err != nil {
res.SetError(err, cmds.ErrNormal)
return
}
pbnd, ok := nd.(*merkledag.ProtoNode)
if !ok {