(filename string, reader io.Reader)
| 87 | } |
| 88 | |
| 89 | func createAndPopulateTempFile(filename string, reader io.Reader) (*os.File, error) { |
| 90 | tempFile, err := createTempFile(filename) |
| 91 | if err != nil { |
| 92 | return nil, fmt.Errorf("error creating temporary file: %w", err) |
| 93 | } |
| 94 | |
| 95 | // Use buffered writer for faster writes |
| 96 | writer := bufio.NewWriterSize(tempFile, DefaultBufferSize) |
| 97 | if _, err := io.Copy(writer, reader); err != nil { |
| 98 | return nil, fmt.Errorf("error copying upload data: %w", err) |
| 99 | } |
| 100 | |
| 101 | if err := writer.Flush(); err != nil { |
| 102 | return nil, fmt.Errorf("error flushing temporary file: %w", err) |
| 103 | } |
| 104 | |
| 105 | if _, err := tempFile.Seek(0, 0); err != nil { |
| 106 | return nil, fmt.Errorf("error seeking temporary file: %w", err) |
| 107 | } |
| 108 | |
| 109 | return tempFile, nil |
| 110 | } |
| 111 | |
| 112 | func detectFileTypeFromTempFile(tempFile *os.File, filename string) (string, error) { |
| 113 | header := make([]byte, 512) |
no test coverage detected