调用mp4decrypt解密

This commit is contained in:
nilaoda 2022-07-21 00:09:19 +08:00
parent 1e671ffc20
commit 3ab04d2c5f
1 changed files with 32 additions and 1 deletions

View File

@ -45,7 +45,7 @@ namespace N_m3u8DL_RE.DownloadManager
dirName = ConvertUtil.GetValidFileName(dirName, filterSlash: true);
var tmpDir = Path.Combine(DownloaderConfig.TmpDir ?? Environment.CurrentDirectory, dirName);
var saveDir = DownloaderConfig.SaveDir ?? Environment.CurrentDirectory;
var saveName = DownloaderConfig.SaveName != null ? $"{DownloaderConfig.SaveName}.{type}.{streamSpec.Language}" : dirName;
var saveName = DownloaderConfig.SaveName != null ? $"{DownloaderConfig.SaveName}.{type}.{streamSpec.Language}".TrimEnd('.') : dirName;
//去除非法字符
dirName = ConvertUtil.GetValidFileName(dirName, filterSlash: true);
var headers = DownloaderConfig.Headers;
@ -313,6 +313,37 @@ namespace N_m3u8DL_RE.DownloadManager
}
}
if (DownloaderConfig.Keys != null)
{
var APP_DIR = Path.GetDirectoryName(Environment.ProcessPath)!;
var fileName = "mp4decrypt";
if (Environment.OSVersion.Platform == PlatformID.Win32NT)
fileName += ".exe";
var mp4decrypt = Path.Combine(APP_DIR, fileName);
if (!File.Exists(mp4decrypt)) mp4decrypt = fileName;
if (streamSpec.Playlist!.MediaParts.First().MediaSegments.First().EncryptInfo != null
&& streamSpec.Playlist!.MediaParts.First().MediaSegments.First().EncryptInfo.Method != Common.Enum.EncryptMethod.NONE)
{
var enc = output;
var dec = Path.Combine(Path.GetDirectoryName(enc)!, Path.GetFileNameWithoutExtension(enc) + "_dec.mp4");
var cmd = string.Join(" ", DownloaderConfig.Keys.Select(k => $"--key {k}")) + $" \"{enc}\" \"{dec}\"";
Logger.InfoMarkUp($"[grey]Decrypting...[/]");
await Process.Start(new ProcessStartInfo()
{
FileName = mp4decrypt,
Arguments = cmd,
RedirectStandardOutput = true,
RedirectStandardError = true,
UseShellExecute = false
})!.WaitForExitAsync();
if (File.Exists(dec))
{
File.Delete(enc);
output = dec;
}
}
}
return true;
}