Fix folder upload hang with resource forks

[rbdr/mobius] / hotline / server.go

diff --git a/hotline/server.go b/hotline/server.go
index b1d8849032cce8db50159a453f8273ac89f14381..1a6d163fade17544f2065bdf7af72e59bed0ffde 100644 (file)
--- a/hotline/server.go
+++ b/hotline/server.go
@@ -50,6 +50,7 @@ type Server struct {
        TrackerPassID [4]byte
        Stats         *Stats
 
+       FS FileStore
 
        // newsReader io.Reader
        // newsWriter io.WriteCloser
@@ -187,7 +188,7 @@ const (
 )
 
 // NewServer constructs a new Server from a config dir
-func NewServer(configDir, netInterface string, netPort int, logger *zap.SugaredLogger) (*Server, error) {
+func NewServer(configDir, netInterface string, netPort int, logger *zap.SugaredLogger, FS FileStore) (*Server, error) {
        server := Server{
                Port:          netPort,
                Accounts:      make(map[string]*Account),
@@ -201,6 +202,7 @@ func NewServer(configDir, netInterface string, netPort int, logger *zap.SugaredL
                outbox:        make(chan Transaction),
                Stats:         &Stats{StartTime: time.Now()},
                ThreadedNews:  &ThreadedNews{},
+               FS:            FS,
        }
 
        var err error
@@ -210,7 +212,8 @@ func NewServer(configDir, netInterface string, netPort int, logger *zap.SugaredL
                return nil, err
        }
 
-       if server.Agreement, err = os.ReadFile(configDir + agreementFile); err != nil {
+       server.Agreement, err = os.ReadFile(configDir + agreementFile)
+       if err != nil {
                return nil, err
        }
 
@@ -361,7 +364,7 @@ func (s *Server) NewUser(login, name, password string, access []byte) error {
        }
        s.Accounts[login] = &account
 
-       return FS.WriteFile(s.ConfigDir+"Users/"+login+".yaml", out, 0666)
+       return s.FS.WriteFile(s.ConfigDir+"Users/"+login+".yaml", out, 0666)
 }
 
 func (s *Server) UpdateUser(login, newLogin, name, password string, access []byte) error {
@@ -401,7 +404,7 @@ func (s *Server) DeleteUser(login string) error {
 
        delete(s.Accounts, login)
 
-       return FS.Remove(s.ConfigDir + "Users/" + login + ".yaml")
+       return s.FS.Remove(s.ConfigDir + "Users/" + login + ".yaml")
 }
 
 func (s *Server) connectedUsers() []Field {
@@ -447,7 +450,7 @@ func (s *Server) loadAccounts(userDir string) error {
        }
 
        for _, file := range matches {
-               fh, err := FS.Open(file)
+               fh, err := s.FS.Open(file)
                if err != nil {
                        return err
                }
@@ -464,7 +467,7 @@ func (s *Server) loadAccounts(userDir string) error {
 }
 
 func (s *Server) loadConfig(path string) error {
-       fh, err := FS.Open(path)
+       fh, err := s.FS.Open(path)
        if err != nil {
                return err
        }
@@ -714,7 +717,7 @@ func (s *Server) handleFileTransfer(conn io.ReadWriteCloser) error {
                        }
                }
 
-               file, err := FS.Open(fullFilePath)
+               file, err := s.FS.Open(fullFilePath)
                if err != nil {
                        return err
                }
@@ -906,7 +909,7 @@ func (s *Server) handleFileTransfer(conn io.ReadWriteCloser) error {
                                return err
                        }
 
-                       file, err := FS.Open(path)
+                       file, err := s.FS.Open(path)
                        if err != nil {
                                return err
                        }
@@ -963,8 +966,8 @@ func (s *Server) handleFileTransfer(conn io.ReadWriteCloser) error {
                )
 
                // Check if the target folder exists.  If not, create it.
-               if _, err := FS.Stat(dstPath); os.IsNotExist(err) {
-                       if err := FS.Mkdir(dstPath, 0777); err != nil {
+               if _, err := s.FS.Stat(dstPath); os.IsNotExist(err) {
+                       if err := s.FS.Mkdir(dstPath, 0777); err != nil {
                                return err
                        }
                }
@@ -975,15 +978,26 @@ func (s *Server) handleFileTransfer(conn io.ReadWriteCloser) error {
                }
 
                fileSize := make([]byte, 4)
-               readBuffer := make([]byte, 1024)
 
                for i := 0; i < fileTransfer.ItemCount(); i++ {
-                       // TODO: fix potential short read with io.ReadFull
-                       _, err := conn.Read(readBuffer)
-                       if err != nil {
+                       s.Stats.UploadCounter += 1
+
+                       var fu folderUpload
+                       if _, err := io.ReadFull(conn, fu.DataSize[:]); err != nil {
+                               return err
+                       }
+
+                       if _, err := io.ReadFull(conn, fu.IsFolder[:]); err != nil {
+                               return err
+                       }
+                       if _, err := io.ReadFull(conn, fu.PathItemCount[:]); err != nil {
+                               return err
+                       }
+                       fu.FileNamePath = make([]byte, binary.BigEndian.Uint16(fu.DataSize[:])-4)
+
+                       if _, err := io.ReadFull(conn, fu.FileNamePath); err != nil {
                                return err
                        }
-                       fu := readFolderUpload(readBuffer)
 
                        s.Logger.Infow(
                                "Folder upload continued",
@@ -1070,14 +1084,14 @@ func (s *Server) handleFileTransfer(conn io.ReadWriteCloser) error {
                                        }
 
                                case dlFldrActionSendFile:
-                                       if _, err := conn.Read(fileSize); err != nil {
+                                       if _, err := io.ReadFull(conn, fileSize); err != nil {
                                                return err
                                        }
 
                                        filePath := dstPath + "/" + fu.FormattedPath()
                                        s.Logger.Infow("Starting file transfer", "path", filePath, "fileNum", i+1, "totalFiles", "zz", "fileSize", binary.BigEndian.Uint32(fileSize))
 
-                                       newFile, err := FS.Create(filePath + ".incomplete")
+                                       newFile, err := s.FS.Create(filePath + ".incomplete")
                                        if err != nil {
                                                return err
                                        }