checkFileHead 检查文件头
(abspath string, ms ...Magic)
| 37 | |
| 38 | // checkFileHead 检查文件头 |
| 39 | func checkFileHead(abspath string, ms ...Magic) bool { |
| 40 | reader, err := os.Open(abspath) |
| 41 | if err != nil { |
| 42 | logs.Warn(err) |
| 43 | return false |
| 44 | } |
| 45 | defer reader.Close() |
| 46 | for _, m := range ms { |
| 47 | if len(m) == 0 { |
| 48 | continue |
| 49 | } |
| 50 | h := make([]byte, len(m)) |
| 51 | reader.Seek(0, io.SeekStart) |
| 52 | reader.Read(h) |
| 53 | reader.Seek(0, io.SeekStart) |
| 54 | if bytes.Equal(m, h) { |
| 55 | return true |
| 56 | } |
| 57 | } |
| 58 | return false |
| 59 | } |