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Implementation of File Exists Function; Delete FileInfos upon Permanent User Delete (#8958)

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Check if file was deleted on FS

Warning message if file couldnt be removed
This commit is contained in:
Daniel Schalla
2018-06-25 18:12:59 +02:00
committed by Harrison Healey
parent fc158fce90
commit ecefa6cdd1
11 changed files with 270 additions and 0 deletions
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1
utils/file_backend.go
View File

@@ -15,6 +15,7 @@ type FileBackend interface {
Reader(path string) (io.ReadCloser, *model.AppError)
ReadFile(path string) ([]byte, *model.AppError)
FileExists(path string) (bool, *model.AppError)
CopyFile(oldPath, newPath string) *model.AppError
MoveFile(oldPath, newPath string) *model.AppError
WriteFile(fr io.Reader, path string) (int64, *model.AppError)

12
utils/file_backend_local.go
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@@ -49,6 +49,18 @@ func (b *LocalFileBackend) ReadFile(path string) ([]byte, *model.AppError) {
}
}
func (b *LocalFileBackend) FileExists(path string) (bool, *model.AppError) {
_, err := os.Stat(filepath.Join(b.directory, path))
if os.IsNotExist(err) {
return false, nil
} else if err == nil {
return true, nil
}
return false, model.NewAppError("ReadFile", "api.file.file_exists.exists_local.app_error", nil, err.Error(), http.StatusInternalServerError)
}
func (b *LocalFileBackend) CopyFile(oldPath, newPath string) *model.AppError {
if err := CopyFile(filepath.Join(b.directory, oldPath), filepath.Join(b.directory, newPath)); err != nil {
return model.NewAppError("copyFile", "api.file.move_file.rename.app_error", nil, err.Error(), http.StatusInternalServerError)

19
utils/file_backend_s3.go
View File

@@ -111,6 +111,25 @@ func (b *S3FileBackend) ReadFile(path string) ([]byte, *model.AppError) {
}
}
func (b *S3FileBackend) FileExists(path string) (bool, *model.AppError) {
s3Clnt, err := b.s3New()
if err != nil {
return false, model.NewAppError("FileExists", "api.file.file_exists.s3.app_error", nil, err.Error(), http.StatusInternalServerError)
}
_, err = s3Clnt.StatObject(b.bucket, path, s3.StatObjectOptions{})
if err == nil {
return true, nil
}
if err.(s3.ErrorResponse).Code == "NoSuchKey" {
return false, nil
}
return false, model.NewAppError("FileExists", "api.file.file_exists.s3.app_error", nil, err.Error(), http.StatusInternalServerError)
}
func (b *S3FileBackend) CopyFile(oldPath, newPath string) *model.AppError {
s3Clnt, err := b.s3New()
if err != nil {

17
utils/file_backend_test.go
View File

@@ -124,6 +124,23 @@ func (s *FileBackendTestSuite) TestReadWriteFileImage() {
s.EqualValues(readString, "testimage")
}
func (s *FileBackendTestSuite) TestFileExists() {
b := []byte("testimage")
path := "tests/" + model.NewId() + ".png"
_, err := s.backend.WriteFile(bytes.NewReader(b), path)
s.Nil(err)
defer s.backend.RemoveFile(path)
res, err := s.backend.FileExists(path)
s.Nil(err)
s.True(res)
res, err = s.backend.FileExists("tests/idontexist.png")
s.Nil(err)
s.False(res)
}
func (s *FileBackendTestSuite) TestCopyFile() {
b := []byte("test")
path1 := "tests/" + model.NewId()