func addDir(n *core.IpfsNode, dir files.File) (*merkledag.Node, error) {
tree := &merkledag.Node{Data: unixfs.FolderPBData()}
Loop:
for {
file, err := dir.NextFile()
switch {
case err != nil && err != io.EOF:
return nil, err
case err == io.EOF:
break Loop
}
node, err := addFile(n, file)
if err != nil {
return nil, err
}
_, name := gopath.Split(file.FileName())
if err := tree.AddNodeLink(name, node); err != nil {
return nil, err
}
}
if err := addNode(n, tree); err != nil {
return nil, err
}
return tree, nil
}
// Add the given file while respecting the params.
func (params *adder) addFile(file files.File) (*dag.Node, error) {
// Check if file is hidden
if fileIsHidden := files.IsHidden(file); fileIsHidden && !params.hidden {
log.Debugf("%s is hidden, skipping", file.FileName())
return nil, &hiddenFileError{file.FileName()}
}
// Check if "file" is actually a directory
if file.IsDirectory() {
return params.addDir(file)
}
// if the progress flag was specified, wrap the file so that we can send
// progress updates to the client (over the output channel)
var reader io.Reader = file
if params.progress {
reader = &progressReader{file: file, out: params.out}
}
dagnode, err := add(params.node, reader, params.trickle)
if err != nil {
return nil, err
}
log.Infof("adding file: %s", file.FileName())
if err := outputDagnode(params.out, file.FileName(), dagnode); err != nil {
return nil, err
}
return dagnode, nil
}
func addFile(n *core.IpfsNode, file files.File) (*merkledag.Node, error) {
if file.IsDirectory() {
return addDir(n, file)
}
dagnode, err := add(n, file)
if err != nil {
return nil, err
}
return dagnode, nil
}
func addFile(n *core.IpfsNode, file files.File, out chan interface{}, progress bool, wrap bool, useTrickle bool) (*dag.Node, error) {
if file.IsDirectory() {
return addDir(n, file, out, progress, useTrickle)
}
// if the progress flag was specified, wrap the file so that we can send
// progress updates to the client (over the output channel)
var reader io.Reader = file
if progress {
reader = &progressReader{file: file, out: out}
}
if wrap {
p, dagnode, err := coreunix.AddWrapped(n, reader, path.Base(file.FileName()))
if err != nil {
return nil, err
}
out <- &AddedObject{
Hash: p,
Name: file.FileName(),
}
return dagnode, nil
}
dagnode, err := add(n, reader, useTrickle)
if err != nil {
return nil, err
}
log.Infof("adding file: %s", file.FileName())
if err := outputDagnode(out, file.FileName(), dagnode); err != nil {
return nil, err
}
return dagnode, nil
}
func (adder *Adder) addFile(file files.File) error {
err := adder.maybePauseForGC()
if err != nil {
return err
}
if file.IsDirectory() {
return adder.addDir(file)
}
// case for symlink
if s, ok := file.(*files.Symlink); ok {
sdata, err := unixfs.SymlinkData(s.Target)
if err != nil {
return err
}
dagnode := dag.NodeWithData(sdata)
_, err = adder.dagService.Add(dagnode)
if err != nil {
return err
}
return adder.addNode(dagnode, s.FileName())
}
// case for regular file
// if the progress flag was specified, wrap the file so that we can send
// progress updates to the client (over the output channel)
var reader io.Reader = file
if adder.Progress {
rdr := &progressReader{file: file, out: adder.Out}
if fi, ok := file.(files.FileInfo); ok {
reader = &progressReader2{rdr, fi}
} else {
reader = rdr
}
}
dagnode, err := adder.add(reader)
if err != nil {
return err
}
// patch it into the root
return adder.addNode(dagnode, file.FileName())
}
// Add the given file while respecting the params.
func (params *adder) addFile(file files.File) (*dag.Node, error) {
// Check if file is hidden
if fileIsHidden := files.IsHidden(file); fileIsHidden && !params.hidden {
log.Debugf("%s is hidden, skipping", file.FileName())
return nil, &hiddenFileError{file.FileName()}
}
// Check if "file" is actually a directory
if file.IsDirectory() {
return params.addDir(file)
}
if s, ok := file.(*files.Symlink); ok {
sdata, err := ft.SymlinkData(s.Target)
if err != nil {
return nil, err
}
dagnode := &dag.Node{Data: sdata}
_, err = params.node.DAG.Add(dagnode)
if err != nil {
return nil, err
}
err = params.addNode(dagnode, s.FileName())
return dagnode, err
}
// if the progress flag was specified, wrap the file so that we can send
// progress updates to the client (over the output channel)
var reader io.Reader = file
if params.progress {
reader = &progressReader{file: file, out: params.out}
}
dagnode, err := add(params.node, reader, params.trickle, params.chunker)
if err != nil {
return nil, err
}
// patch it into the root
log.Infof("adding file: %s", file.FileName())
err = params.addNode(dagnode, file.FileName())
return dagnode, err
}
func (adder *Adder) addDir(dir files.File) error {
log.Infof("adding directory: %s", dir.FileName())
err := mfs.Mkdir(adder.mr, dir.FileName(), true, false)
if err != nil {
return err
}
for {
file, err := dir.NextFile()
if err != nil && err != io.EOF {
return err
}
if file == nil {
break
}
// Skip hidden files when adding recursively, unless Hidden is enabled.
if files.IsHidden(file) && !adder.Hidden {
log.Infof("%s is hidden, skipping", file.FileName())
continue
}
err = adder.addFile(file)
if err != nil {
return err
}
}
return nil
}
func (adder *Adder) addDir(dir files.File) error {
log.Infof("adding directory: %s", dir.FileName())
err := mfs.Mkdir(adder.mr, dir.FileName(), true, false)
if err != nil {
return err
}
for {
file, err := dir.NextFile()
if err != nil && err != io.EOF {
return err
}
if file == nil {
break
}
err = adder.addFile(file)
if _, ok := err.(*hiddenFileError); ok {
// hidden file error, skip file
continue
} else if err != nil {
return err
}
}
return nil
}
func (adder *Adder) addFile(file files.File) error {
err := adder.maybePauseForGC()
if err != nil {
return err
}
switch {
case files.IsHidden(file) && !adder.Hidden:
log.Infof("%s is hidden, skipping", file.FileName())
return &hiddenFileError{file.FileName()}
case file.IsDirectory():
return adder.addDir(file)
}
// case for symlink
if s, ok := file.(*files.Symlink); ok {
sdata, err := unixfs.SymlinkData(s.Target)
if err != nil {
return err
}
dagnode := &dag.Node{Data: sdata}
_, err = adder.node.DAG.Add(dagnode)
if err != nil {
return err
}
return adder.addNode(dagnode, s.FileName())
}
// case for regular file
// if the progress flag was specified, wrap the file so that we can send
// progress updates to the client (over the output channel)
var reader io.Reader = file
if adder.Progress {
reader = &progressReader{file: file, out: adder.out}
}
dagnode, err := adder.add(reader)
if err != nil {
return err
}
// patch it into the root
return adder.addNode(dagnode, file.FileName())
}
func (params *adder) addDir(file files.File) (*dag.Node, error) {
tree := &dag.Node{Data: ft.FolderPBData()}
log.Infof("adding directory: %s", file.FileName())
for {
file, err := file.NextFile()
if err != nil && err != io.EOF {
return nil, err
}
if file == nil {
break
}
node, err := params.addFile(file)
if _, ok := err.(*hiddenFileError); ok {
// hidden file error, set the node to nil for below
node = nil
} else if err != nil {
return nil, err
}
if node != nil {
_, name := path.Split(file.FileName())
err = tree.AddNodeLink(name, node)
if err != nil {
return nil, err
}
}
}
err := outputDagnode(params.out, file.FileName(), tree)
if err != nil {
return nil, err
}
k, err := params.node.DAG.Add(tree)
if err != nil {
return nil, err
}
params.node.Pinning.GetManual().PinWithMode(k, pin.Indirect)
return tree, nil
}
func addDir(n *core.IpfsNode, dir files.File, out chan interface{}, progress bool, useTrickle bool) (*dag.Node, error) {
log.Infof("adding directory: %s", dir.FileName())
tree := &dag.Node{Data: ft.FolderPBData()}
for {
file, err := dir.NextFile()
if err != nil && err != io.EOF {
return nil, err
}
if file == nil {
break
}
node, err := addFile(n, file, out, progress, false, useTrickle)
if err != nil {
return nil, err
}
_, name := path.Split(file.FileName())
err = tree.AddNodeLink(name, node)
if err != nil {
return nil, err
}
}
err := outputDagnode(out, dir.FileName(), tree)
if err != nil {
return nil, err
}
k, err := n.DAG.Add(tree)
if err != nil {
return nil, err
}
n.Pinning.GetManual().PinWithMode(k, pin.Indirect)
return tree, nil
}
func addFile(n *core.IpfsNode, file files.File) (*merkledag.Node, error) {
if file.IsDirectory() {
return addDir(n, file)
}
return add(n, file)
}
func (mfr *MultiFileReader) Read(buf []byte) (written int, err error) {
mfr.mutex.Lock()
defer mfr.mutex.Unlock()
// if we are closed and the buffer is flushed, end reading
if mfr.closed && mfr.buf.Len() == 0 {
return 0, io.EOF
}
// if the current file isn't set, advance to the next file
if mfr.currentFile == nil {
var file files.File
for file == nil {
if len(mfr.files) == 0 {
mfr.mpWriter.Close()
mfr.closed = true
return mfr.buf.Read(buf)
}
nextfile, err := mfr.files[len(mfr.files)-1].NextFile()
if err == io.EOF {
mfr.files = mfr.files[:len(mfr.files)-1]
continue
} else if err != nil {
return 0, err
}
file = nextfile
}
// handle starting a new file part
if !mfr.closed {
var contentType string
if _, ok := file.(*files.Symlink); ok {
contentType = "application/symlink"
} else if file.IsDirectory() {
mfr.files = append(mfr.files, file)
contentType = "application/x-directory"
} else {
// otherwise, use the file as a reader to read its contents
contentType = "application/octet-stream"
}
mfr.currentFile = file
// write the boundary and headers
header := make(textproto.MIMEHeader)
filename := url.QueryEscape(file.FileName())
header.Set("Content-Disposition", fmt.Sprintf("file; filename=\"%s\"", filename))
header.Set("Content-Type", contentType)
_, err := mfr.mpWriter.CreatePart(header)
if err != nil {
return 0, err
}
}
}
// if the buffer has something in it, read from it
if mfr.buf.Len() > 0 {
return mfr.buf.Read(buf)
}
// otherwise, read from file data
written, err = mfr.currentFile.Read(buf)
if err == io.EOF {
mfr.currentFile = nil
return written, nil
}
return written, err
}
