diff options
Diffstat (limited to 'plugins/http/uploads.go')
-rw-r--r-- | plugins/http/uploads.go | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/plugins/http/uploads.go b/plugins/http/uploads.go deleted file mode 100644 index 1f14cc0d..00000000 --- a/plugins/http/uploads.go +++ /dev/null @@ -1,158 +0,0 @@ -package http - -import ( - "github.com/spiral/roadrunner-plugins/logger" - - "io" - "io/ioutil" - "mime/multipart" - "os" - "sync" -) - -const ( - // UploadErrorOK - no error, the file uploaded with success. - UploadErrorOK = 0 - - // UploadErrorNoFile - no file was uploaded. - UploadErrorNoFile = 4 - - // UploadErrorNoTmpDir - missing a temporary folder. - UploadErrorNoTmpDir = 6 - - // UploadErrorCantWrite - failed to write file to disk. - UploadErrorCantWrite = 7 - - // UploadErrorExtension - forbidden file extension. - UploadErrorExtension = 8 -) - -// Uploads tree manages uploaded files tree and temporary files. -type Uploads struct { - // associated temp directory and forbidden extensions. - cfg UploadsConfig - - // pre processed data tree for Uploads. - tree fileTree - - // flat list of all file Uploads. - list []*FileUpload -} - -// MarshalJSON marshal tree tree into JSON. -func (u *Uploads) MarshalJSON() ([]byte, error) { - return json.Marshal(u.tree) -} - -// Open moves all uploaded files to temp directory, return error in case of issue with temp directory. File errors -// will be handled individually. -func (u *Uploads) Open(log logger.Logger) { - var wg sync.WaitGroup - for _, f := range u.list { - wg.Add(1) - go func(f *FileUpload) { - defer wg.Done() - err := f.Open(u.cfg) - if err != nil && log != nil { - log.Error("error opening the file", "err", err) - } - }(f) - } - - wg.Wait() -} - -// Clear deletes all temporary files. -func (u *Uploads) Clear(log logger.Logger) { - for _, f := range u.list { - if f.TempFilename != "" && exists(f.TempFilename) { - err := os.Remove(f.TempFilename) - if err != nil && log != nil { - log.Error("error removing the file", "err", err) - } - } - } -} - -// FileUpload represents singular file NewUpload. -type FileUpload struct { - // ID contains filename specified by the client. - Name string `json:"name"` - - // Mime contains mime-type provided by the client. - Mime string `json:"mime"` - - // Size of the uploaded file. - Size int64 `json:"size"` - - // Error indicates file upload error (if any). See http://php.net/manual/en/features.file-upload.errors.php - Error int `json:"error"` - - // TempFilename points to temporary file location. - TempFilename string `json:"tmpName"` - - // associated file header - header *multipart.FileHeader -} - -// NewUpload wraps net/http upload into PRS-7 compatible structure. -func NewUpload(f *multipart.FileHeader) *FileUpload { - return &FileUpload{ - Name: f.Filename, - Mime: f.Header.Get("Content-Type"), - Error: UploadErrorOK, - header: f, - } -} - -// Open moves file content into temporary file available for PHP. -// NOTE: -// There is 2 deferred functions, and in case of getting 2 errors from both functions -// error from close of temp file would be overwritten by error from the main file -// STACK -// DEFER FILE CLOSE (2) -// DEFER TMP CLOSE (1) -func (f *FileUpload) Open(cfg UploadsConfig) (err error) { - if cfg.Forbids(f.Name) { - f.Error = UploadErrorExtension - return nil - } - - file, err := f.header.Open() - if err != nil { - f.Error = UploadErrorNoFile - return err - } - - defer func() { - // close the main file - err = file.Close() - }() - - tmp, err := ioutil.TempFile(cfg.TmpDir(), "upload") - if err != nil { - // most likely cause of this issue is missing tmp dir - f.Error = UploadErrorNoTmpDir - return err - } - - f.TempFilename = tmp.Name() - defer func() { - // close the temp file - err = tmp.Close() - }() - - if f.Size, err = io.Copy(tmp, file); err != nil { - f.Error = UploadErrorCantWrite - } - - return err -} - -// exists if file exists. -func exists(path string) bool { - if _, err := os.Stat(path); os.IsNotExist(err) { - return false - } - return true -} |