X-Git-Url: https://git.r.bdr.sh/rbdr/mobius/blobdiff_plain/df2735b25a21d839746be31b43edb9e348086b0a..19dcc94821d1fac803c571b1dc11764213713682:/hotline/transfer.go?ds=sidebyside

diff --git a/hotline/transfer.go b/hotline/transfer.go
index fa431ce..9d2a97f 100644
--- a/hotline/transfer.go
+++ b/hotline/transfer.go
@@ -1,9 +1,13 @@
 package hotline
 
 import (
+	"bufio"
 	"bytes"
 	"encoding/binary"
 	"errors"
+	"io"
+	"os"
+	"path/filepath"
 )
 
 type transfer struct {
@@ -26,3 +30,82 @@ func (tf *transfer) Write(b []byte) (int, error) {
 
 	return len(b), nil
 }
+
+const fileCopyBufSize = 4096
+
+func receiveFile(r io.Reader, targetFile, resForkFile, infoFork io.Writer) error {
+	var ffo flattenedFileObject
+	if _, err := ffo.ReadFrom(r); err != nil {
+		return err
+	}
+
+	// Write the information fork
+	_, err := infoFork.Write(ffo.FlatFileInformationFork.MarshalBinary())
+	if err != nil {
+		return err
+	}
+
+	// read and write the data fork
+	bw := bufio.NewWriterSize(targetFile, fileCopyBufSize)
+	if _, err = io.CopyN(bw, r, ffo.dataSize()); err != nil {
+		return err
+	}
+	if err := bw.Flush(); err != nil {
+		return err
+	}
+
+	if ffo.FlatFileHeader.ForkCount == [2]byte{0, 3} {
+		if err := binary.Read(r, binary.BigEndian, &ffo.FlatFileResForkHeader); err != nil {
+			return err
+		}
+
+		bw = bufio.NewWriterSize(resForkFile, fileCopyBufSize)
+		_, err = io.CopyN(resForkFile, r, ffo.rsrcSize())
+		if err != nil {
+			return err
+		}
+		if err := bw.Flush(); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func sendFile(w io.Writer, r io.Reader, offset int) (err error) {
+	br := bufio.NewReader(r)
+	if _, err := br.Discard(offset); err != nil {
+		return err
+	}
+
+	rSendBuffer := make([]byte, 1024)
+	for {
+		var bytesRead int
+
+		if bytesRead, err = br.Read(rSendBuffer); err == io.EOF {
+			if _, err := w.Write(rSendBuffer[:bytesRead]); err != nil {
+				return err
+			}
+			return nil
+		}
+		if err != nil {
+			return err
+		}
+		// totalSent += int64(bytesRead)
+
+		// fileTransfer.BytesSent += bytesRead
+
+		if _, err := w.Write(rSendBuffer[:bytesRead]); err != nil {
+			return err
+		}
+	}
+}
+
+func (s *Server) bannerDownload(w io.Writer) error {
+	bannerBytes, err := os.ReadFile(filepath.Join(s.ConfigDir, s.Config.BannerFile))
+	if err != nil {
+		return err
+	}
+	_, err = w.Write(bannerBytes)
+
+	return err
+}