1 files changed, 0 insertions, 353 deletions
diff --git a/vendor/github.com/pkg/sftp/request.go b/vendor/github.com/pkg/sftp/request.go
deleted file mode 100644
index d74d6fa3..00000000
--- a/vendor/github.com/pkg/sftp/request.go
+++ /dev/null
@@ -1,353 +0,0 @@
-package sftp
-
-import (
-	"context"
-	"io"
-	"os"
-	"path"
-	"path/filepath"
-	"sync"
-	"syscall"
-
-	"github.com/pkg/errors"
-)
-
-// MaxFilelist is the max number of files to return in a readdir batch.
-var MaxFilelist int64 = 100
-
-// Request contains the data and state for the incoming service request.
-type Request struct {
-	// Get, Put, Setstat, Stat, Rename, Remove
-	// Rmdir, Mkdir, List, Readlink, Symlink
-	Method   string
-	Filepath string
-	Flags    uint32
-	Attrs    []byte // convert to sub-struct
-	Target   string // for renames and sym-links
-	// reader/writer/readdir from handlers
-	state state
-	// context lasts duration of request
-	ctx       context.Context
-	cancelCtx context.CancelFunc
-}
-
-type state struct {
-	*sync.RWMutex
-	writerAt io.WriterAt
-	readerAt io.ReaderAt
-	listerAt ListerAt
-	lsoffset int64
-}
-
-// New Request initialized based on packet data
-func requestFromPacket(ctx context.Context, pkt hasPath) *Request {
-	method := requestMethod(pkt)
-	request := NewRequest(method, pkt.getPath())
-	request.ctx, request.cancelCtx = context.WithCancel(ctx)
-
-	switch p := pkt.(type) {
-	case *sshFxpOpenPacket:
-		request.Flags = p.Pflags
-	case *sshFxpSetstatPacket:
-		request.Flags = p.Flags
-		request.Attrs = p.Attrs.([]byte)
-	case *sshFxpRenamePacket:
-		request.Target = cleanPath(p.Newpath)
-	case *sshFxpSymlinkPacket:
-		request.Target = cleanPath(p.Linkpath)
-	}
-	return request
-}
-
-// NewRequest creates a new Request object.
-func NewRequest(method, path string) *Request {
-	return &Request{Method: method, Filepath: cleanPath(path),
-		state: state{RWMutex: new(sync.RWMutex)}}
-}
-
-// shallow copy of existing request
-func (r *Request) copy() *Request {
-	r.state.Lock()
-	defer r.state.Unlock()
-	r2 := new(Request)
-	*r2 = *r
-	return r2
-}
-
-// Context returns the request's context. To change the context,
-// use WithContext.
-//
-// The returned context is always non-nil; it defaults to the
-// background context.
-//
-// For incoming server requests, the context is canceled when the
-// request is complete or the client's connection closes.
-func (r *Request) Context() context.Context {
-	if r.ctx != nil {
-		return r.ctx
-	}
-	return context.Background()
-}
-
-// WithContext returns a copy of r with its context changed to ctx.
-// The provided ctx must be non-nil.
-func (r *Request) WithContext(ctx context.Context) *Request {
-	if ctx == nil {
-		panic("nil context")
-	}
-	r2 := r.copy()
-	r2.ctx = ctx
-	r2.cancelCtx = nil
-	return r2
-}
-
-// Returns current offset for file list
-func (r *Request) lsNext() int64 {
-	r.state.RLock()
-	defer r.state.RUnlock()
-	return r.state.lsoffset
-}
-
-// Increases next offset
-func (r *Request) lsInc(offset int64) {
-	r.state.Lock()
-	defer r.state.Unlock()
-	r.state.lsoffset = r.state.lsoffset + offset
-}
-
-// manage file read/write state
-func (r *Request) setWriterState(wa io.WriterAt) {
-	r.state.Lock()
-	defer r.state.Unlock()
-	r.state.writerAt = wa
-}
-func (r *Request) setReaderState(ra io.ReaderAt) {
-	r.state.Lock()
-	defer r.state.Unlock()
-	r.state.readerAt = ra
-}
-func (r *Request) setListerState(la ListerAt) {
-	r.state.Lock()
-	defer r.state.Unlock()
-	r.state.listerAt = la
-}
-
-func (r *Request) getWriter() io.WriterAt {
-	r.state.RLock()
-	defer r.state.RUnlock()
-	return r.state.writerAt
-}
-
-func (r *Request) getReader() io.ReaderAt {
-	r.state.RLock()
-	defer r.state.RUnlock()
-	return r.state.readerAt
-}
-
-func (r *Request) getLister() ListerAt {
-	r.state.RLock()
-	defer r.state.RUnlock()
-	return r.state.listerAt
-}
-
-// Close reader/writer if possible
-func (r *Request) close() error {
-	if r.cancelCtx != nil {
-		r.cancelCtx()
-	}
-	rd := r.getReader()
-	if c, ok := rd.(io.Closer); ok {
-		return c.Close()
-	}
-	wt := r.getWriter()
-	if c, ok := wt.(io.Closer); ok {
-		return c.Close()
-	}
-	return nil
-}
-
-// called from worker to handle packet/request
-func (r *Request) call(handlers Handlers, pkt requestPacket) responsePacket {
-	switch r.Method {
-	case "Get":
-		return fileget(handlers.FileGet, r, pkt)
-	case "Put", "Open":
-		return fileput(handlers.FilePut, r, pkt)
-	case "Setstat", "Rename", "Rmdir", "Mkdir", "Symlink", "Remove":
-		return filecmd(handlers.FileCmd, r, pkt)
-	case "List", "Stat", "Readlink":
-		return filelist(handlers.FileList, r, pkt)
-	default:
-		return statusFromError(pkt,
-			errors.Errorf("unexpected method: %s", r.Method))
-	}
-}
-
-// file data for additional read/write packets
-func packetData(p requestPacket) (data []byte, offset int64, length uint32) {
-	switch p := p.(type) {
-	case *sshFxpReadPacket:
-		length = p.Len
-		offset = int64(p.Offset)
-	case *sshFxpWritePacket:
-		data = p.Data
-		length = p.Length
-		offset = int64(p.Offset)
-	}
-	return
-}
-
-// wrap FileReader handler
-func fileget(h FileReader, r *Request, pkt requestPacket) responsePacket {
-	var err error
-	reader := r.getReader()
-	if reader == nil {
-		reader, err = h.Fileread(r)
-		if err != nil {
-			return statusFromError(pkt, err)
-		}
-		r.setReaderState(reader)
-	}
-
-	_, offset, length := packetData(pkt)
-	data := make([]byte, clamp(length, maxTxPacket))
-	n, err := reader.ReadAt(data, offset)
-	// only return EOF erro if no data left to read
-	if err != nil && (err != io.EOF || n == 0) {
-		return statusFromError(pkt, err)
-	}
-	return &sshFxpDataPacket{
-		ID:     pkt.id(),
-		Length: uint32(n),
-		Data:   data[:n],
-	}
-}
-
-// wrap FileWriter handler
-func fileput(h FileWriter, r *Request, pkt requestPacket) responsePacket {
-	var err error
-	writer := r.getWriter()
-	if writer == nil {
-		writer, err = h.Filewrite(r)
-		if err != nil {
-			return statusFromError(pkt, err)
-		}
-		r.setWriterState(writer)
-	}
-
-	data, offset, _ := packetData(pkt)
-	_, err = writer.WriteAt(data, offset)
-	return statusFromError(pkt, err)
-}
-
-// wrap FileCmder handler
-func filecmd(h FileCmder, r *Request, pkt requestPacket) responsePacket {
-	err := h.Filecmd(r)
-	return statusFromError(pkt, err)
-}
-
-// wrap FileLister handler
-func filelist(h FileLister, r *Request, pkt requestPacket) responsePacket {
-	var err error
-	lister := r.getLister()
-	if lister == nil {
-		lister, err = h.Filelist(r)
-		if err != nil {
-			return statusFromError(pkt, err)
-		}
-		r.setListerState(lister)
-	}
-
-	offset := r.lsNext()
-	finfo := make([]os.FileInfo, MaxFilelist)
-	n, err := lister.ListAt(finfo, offset)
-	r.lsInc(int64(n))
-	// ignore EOF as we only return it when there are no results
-	finfo = finfo[:n] // avoid need for nil tests below
-
-	switch r.Method {
-	case "List":
-		if err != nil && err != io.EOF {
-			return statusFromError(pkt, err)
-		}
-		if n == 0 {
-			return statusFromError(pkt, io.EOF)
-		}
-		dirname := filepath.ToSlash(path.Base(r.Filepath))
-		ret := &sshFxpNamePacket{ID: pkt.id()}
-
-		for _, fi := range finfo {
-			ret.NameAttrs = append(ret.NameAttrs, sshFxpNameAttr{
-				Name:     fi.Name(),
-				LongName: runLs(dirname, fi),
-				Attrs:    []interface{}{fi},
-			})
-		}
-		return ret
-	case "Stat":
-		if err != nil && err != io.EOF {
-			return statusFromError(pkt, err)
-		}
-		if n == 0 {
-			err = &os.PathError{Op: "stat", Path: r.Filepath,
-				Err: syscall.ENOENT}
-			return statusFromError(pkt, err)
-		}
-		return &sshFxpStatResponse{
-			ID:   pkt.id(),
-			info: finfo[0],
-		}
-	case "Readlink":
-		if err != nil && err != io.EOF {
-			return statusFromError(pkt, err)
-		}
-		if n == 0 {
-			err = &os.PathError{Op: "readlink", Path: r.Filepath,
-				Err: syscall.ENOENT}
-			return statusFromError(pkt, err)
-		}
-		filename := finfo[0].Name()
-		return &sshFxpNamePacket{
-			ID: pkt.id(),
-			NameAttrs: []sshFxpNameAttr{{
-				Name:     filename,
-				LongName: filename,
-				Attrs:    emptyFileStat,
-			}},
-		}
-	default:
-		err = errors.Errorf("unexpected method: %s", r.Method)
-		return statusFromError(pkt, err)
-	}
-}
-
-// init attributes of request object from packet data
-func requestMethod(p requestPacket) (method string) {
-	switch p.(type) {
-	case *sshFxpReadPacket:
-		method = "Get"
-	case *sshFxpWritePacket:
-		method = "Put"
-	case *sshFxpReaddirPacket:
-		method = "List"
-	case *sshFxpOpenPacket, *sshFxpOpendirPacket:
-		method = "Open"
-	case *sshFxpSetstatPacket, *sshFxpFsetstatPacket:
-		method = "Setstat"
-	case *sshFxpRenamePacket:
-		method = "Rename"
-	case *sshFxpSymlinkPacket:
-		method = "Symlink"
-	case *sshFxpRemovePacket:
-		method = "Remove"
-	case *sshFxpStatPacket, *sshFxpLstatPacket, *sshFxpFstatPacket:
-		method = "Stat"
-	case *sshFxpRmdirPacket:
-		method = "Rmdir"
-	case *sshFxpReadlinkPacket:
-		method = "Readlink"
-	case *sshFxpMkdirPacket:
-		method = "Mkdir"
-	}
-	return method
-}