115 lines
2.5 KiB
Go
115 lines
2.5 KiB
Go
package domain
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import (
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"archive/zip"
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"fmt"
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"io"
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"os"
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"path/filepath"
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"strings"
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)
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type FileRepositoryInterface interface {
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GetPath(path string) string
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FileExists(path string) bool
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CreateDir(path string) error
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DeleteFile(path string) error
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MoveFile(src_path, dest_path string) error
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UnzipFile(path, dest_path string) error
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}
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type FileRepository struct {
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fileContainerPath string
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}
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func NewFileRepository() *FileRepository {
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file_container_path, _ := os.LookupEnv("FILE_CONTAINER_PATH")
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return &FileRepository{
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fileContainerPath: file_container_path,
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}
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}
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func (fr *FileRepository) GetPath(path string) string {
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return filepath.Join(fr.fileContainerPath, path)
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}
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func (fr *FileRepository) FileExists(path string) bool {
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full_path := fr.GetPath(path)
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_, err := os.Stat(full_path)
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return err == nil
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}
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func (fr *FileRepository) CreateDir(path string) error {
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full_path := fr.GetPath(path)
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return os.MkdirAll(full_path, 0755)
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}
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func (fr *FileRepository) DeleteFile(path string) error {
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full_path := fr.GetPath(path)
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return os.RemoveAll(full_path)
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}
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func (fr *FileRepository) MoveFile(src_path, dest_path string) error {
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full_src_path := fr.GetPath(src_path)
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full_dest_path := fr.GetPath(dest_path)
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dest_dir := filepath.Dir(full_dest_path)
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if err := os.MkdirAll(dest_dir, 0755); err != nil {
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return fmt.Errorf("failed to create destination directory: %w", err)
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}
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return os.Rename(full_src_path, full_dest_path)
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}
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func (fr *FileRepository) UnzipFile(path, dest_path string) error {
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full_path := fr.GetPath(path)
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full_dest_path := fr.GetPath(dest_path)
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r, err := zip.OpenReader(full_path)
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if err != nil {
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return err
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}
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defer r.Close()
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for _, f := range r.File {
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// Prevent path traversal vulnerability
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fpath := filepath.Join(full_dest_path, f.Name)
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if !strings.HasPrefix(fpath, full_dest_path) {
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return fmt.Errorf("%s: illegal file path", fpath)
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}
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fmt.Printf("ZIP: Extracting %s\n", fpath)
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if f.FileInfo().IsDir() {
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os.MkdirAll(fpath, 0755)
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continue
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}
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if err = os.MkdirAll(filepath.Dir(fpath), 0755); err != nil {
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return err
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}
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outFile, err := os.OpenFile(fpath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode())
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if err != nil {
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return err
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}
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rc, err := f.Open()
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if err != nil {
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outFile.Close() // Close outFile if f.Open fails
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return err
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}
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_, err = io.Copy(outFile, rc)
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// Close the file readers/writers immediately after use
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rc.Close()
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outFile.Close()
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if err != nil {
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return err
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}
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}
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return nil
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}
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