update version

fix: 修正m3u8dl协议 转义符问题

N_m3u8DL-CLI/Decrypter.cs

@@ -1,5 +1,7 @@
-using System;
+using CSChaCha20;
+using System;
 using System.IO;
+using System.Linq;
 using System.Security.Cryptography;
 
 namespace N_m3u8DL_CLI
@@ -45,6 +47,40 @@ namespace N_m3u8DL_CLI
             return resultArray;
         }
 
+        public static byte[] CHACHA20Decrypt(byte[] encryptedBuff, byte[] keyBytes, byte[] nonceBytes)
+        {
+            if (keyBytes.Length != 32)
+                throw new Exception("Key must be 32 bytes!");
+            if (nonceBytes.Length != 12 && nonceBytes.Length != 8)
+                throw new Exception("Key must be 12 or 8 bytes!");
+            if (nonceBytes.Length == 8)
+                nonceBytes = (new byte[4] { 0, 0, 0, 0 }).Concat(nonceBytes).ToArray();
+
+            var decStream = new MemoryStream();
+            using (BinaryReader reader = new BinaryReader(new MemoryStream(encryptedBuff)))
+            {
+                using (BinaryWriter writer = new BinaryWriter(decStream))
+                {
+                    while (true)
+                    {
+                        var buffer = reader.ReadBytes(1024);
+                        byte[] dec = new byte[buffer.Length];
+                        if (buffer.Length > 0)
+                        {
+                            ChaCha20 forDecrypting = new ChaCha20(keyBytes, nonceBytes, 0);
+                            forDecrypting.DecryptBytes(dec, buffer);
+                            writer.Write(dec, 0, dec.Length);
+                        }
+                        else
+                        {
+                            break;
+                        }
+                    }
+                }
+            }
+            return decStream.ToArray();
+        }
+
         public static byte[] HexStringToBytes(string hexStr)
         {
             if (string.IsNullOrEmpty(hexStr))

N_m3u8DL-CLI/Downloader.cs

@@ -47,6 +47,10 @@ namespace N_m3u8DL_CLI
         public long ExpectByte { get => expectByte; set => expectByte = value; }
         public long StartByte { get => startByte; set => startByte = value; }
         public double SegDur { get => segDur; set => segDur = value; }
+        
+        public static bool EnableChaCha20 { get; set; } = false;
+        public static string ChaCha20KeyBase64 { get; set; }
+        public static string ChaCha20NonceBase64 { get; set; }
 
         //重写WebClinet
         //private class WebClient : System.Net.WebClient
@@ -179,9 +183,18 @@ namespace N_m3u8DL_CLI
                 if (File.Exists(savePath) && Global.ShouldStop == false) 
                 {
                     FileInfo fi = new FileInfo(savePath);
-                    if (Method == "NONE" || method.Contains("NOTSUPPORTED"))
+                    if (File.Exists(fi.FullName) && EnableChaCha20)
                     {
-                        fi.MoveTo(Path.GetDirectoryName(savePath) + "\\" + Path.GetFileNameWithoutExtension(savePath) + ".ts");
+                        byte[] decryptBuff = Decrypter.CHACHA20Decrypt(File.ReadAllBytes(fi.FullName), Convert.FromBase64String(ChaCha20KeyBase64), Convert.FromBase64String(ChaCha20NonceBase64));
+                        FileStream fs = new FileStream(Path.GetDirectoryName(SavePath) + "\\" + Path.GetFileNameWithoutExtension(SavePath) + ".ts", FileMode.Create);
+                        fs.Write(decryptBuff, 0, decryptBuff.Length);
+                        fs.Close();
+                        DownloadManager.DownloadedSize += fi.Length;
+                        fi.Delete();
+                    }
+                    else if (Method == "NONE" || Method.Contains("NOTSUPPORTED"))
+                    {
+                        fi.MoveTo(Path.GetDirectoryName(SavePath) + "\\" + Path.GetFileNameWithoutExtension(SavePath) + ".ts");
                         DownloadManager.DownloadedSize += fi.Length;
                         //Console.WriteLine(Path.GetFileNameWithoutExtension(savePath) + " Completed.");
                     }
@@ -249,4 +262,4 @@ namespace N_m3u8DL_CLI
             }
         }
     }
-}
+}

N_m3u8DL-CLI/Global.cs

@@ -35,7 +35,7 @@ namespace N_m3u8DL_CLI
         /*===============================================================================*/
         static Version ver = System.Reflection.Assembly.GetExecutingAssembly().GetName().Version;
         static string nowVer = $"{ver.Major}.{ver.Minor}.{ver.Build}";
-        static string nowDate = "20220526";
+        static string nowDate = "20220711";
         public static void WriteInit()
         {
             Console.WriteLine($"N_m3u8DL-CLI version {nowVer} 2018-2022");

N_m3u8DL-CLI/HLSLiveDownloader.cs

@@ -128,6 +128,7 @@ namespace N_m3u8DL_CLI
                     sd.Iv = info["iv"].Value<string>();
                 }
                 sd.TimeOut = (int)timer.Interval - 1000;//超时时间不超过下次执行时间
+                if (sd.TimeOut <= 0) sd.TimeOut = (int)timer.Interval;
                 sd.SegIndex = index;
                 sd.Headers = Headers;
                 sd.SegDur = info["duration"].Value<double>();

N_m3u8DL-CLI/MyOptions.cs

@@ -97,5 +97,14 @@ namespace N_m3u8DL_CLI
         [Option("unregisterUrlProtocol", HelpText = "Help_unregisterUrlProtocol", ResourceType = typeof(strings))]
         public bool UnregisterUrlProtocol { get; set; }
 
+        [Option("enableChaCha20", HelpText = "enableChaCha20")]
+        public bool EnableChaCha20 { get; set; }
+
+        [Option("chaCha20KeyBase64", HelpText = "ChaCha20KeyBase64")]
+        public string ChaCha20KeyBase64 { get; set; }
+
+        [Option("chaCha20NonceBase64", HelpText = "ChaCha20NonceBase64")]
+        public string ChaCha20NonceBase64 { get; set; }
+
     }
 }

N_m3u8DL-CLI/N_m3u8DL-CLI.csproj

@@ -90,6 +90,7 @@
     </Reference>
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="CSChaCha20.cs" />
     <Compile Include="Decode51CtoKey.cs" />
     <Compile Include="DecodeCdeledu.cs" />
     <Compile Include="DecodeDdyun.cs" />

N_m3u8DL-CLI/Parser.cs

@@ -271,6 +271,7 @@ namespace N_m3u8DL_CLI
                             {
                                 expectByte = Convert.ToInt64(t[0]);
                                 segInfo.Add("expectByte", expectByte);
+                                segInfo.Add("startByte", segments.Last["startByte"].Value<long>() + segments.Last["expectByte"].Value<long>());
                             }
                             if (t.Length == 2)
                             {

N_m3u8DL-CLI/Program.cs

@@ -81,6 +81,8 @@ namespace N_m3u8DL_CLI.NetCore
                     var cmd = "";
                     try { cmd = Encoding.UTF8.GetString(Convert.FromBase64String(base64)); }
                     catch (FormatException) { cmd = Encoding.UTF8.GetString(Convert.FromBase64String(base64.TrimEnd('/'))); }
+                    //修正参数转义符
+                    cmd = cmd.Replace("\\\"", "\"");
                     //修正工作目录
                     Environment.CurrentDirectory = Path.GetDirectoryName(Process.GetCurrentProcess().MainModule.FileName);
                     args = Global.ParseArguments(cmd).ToArray();  //解析命令行
@@ -225,6 +227,13 @@ namespace N_m3u8DL_CLI.NetCore
                     workDir = Environment.ExpandEnvironmentVariables(o.WorkDir);
                     DownloadManager.HasSetDir = true;
                 }
+                //CHACHA20
+                if (o.EnableChaCha20 && !string.IsNullOrEmpty(o.ChaCha20KeyBase64) && !string.IsNullOrEmpty(o.ChaCha20NonceBase64))
+                {
+                    Downloader.EnableChaCha20 = true;
+                    Downloader.ChaCha20KeyBase64 = o.ChaCha20KeyBase64;
+                    Downloader.ChaCha20NonceBase64 = o.ChaCha20NonceBase64;
+                }
 
                 //Proxy
                 if (!string.IsNullOrEmpty(o.ProxyAddress))

N_m3u8DL-CLI/Properties/AssemblyInfo.cs

@@ -32,5 +32,5 @@ using System.Runtime.InteropServices;
 // 可以指定所有值，也可以使用以下所示的 "*" 预置版本号和修订号
 // 方法是按如下所示使用“*”: :
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("3.0.1.0")]
-[assembly: AssemblyFileVersion("3.0.1.0")]
+[assembly: AssemblyVersion("3.0.2.0")]
+[assembly: AssemblyFileVersion("3.0.2.0")]

README.md

@@ -89,6 +89,9 @@ OPTIONS:
   --noProxy                  不自动使用系统代理
   --registerUrlProtocol      注册m3u8dl链接协议
   --unregisterUrlProtocol    取消注册m3u8dl链接协议
+  --enableChaCha20           enableChaCha20
+  --chaCha20KeyBase64        ChaCha20KeyBase64
+  --chaCha20NonceBase64      ChaCha20NonceBase64
   --help                     Display this help screen.
   --version                  Display version information.
 ```

README_ENG.md

@@ -68,6 +68,9 @@ OPTIONS:
   --noProxy                  Disable use system proxy
   --registerUrlProtocol      Register m3u8dl URL protocol
   --unregisterUrlProtocol    Unregister m3u8dl URL protocol
+  --enableChaCha20           enableChaCha20
+  --chaCha20KeyBase64        ChaCha20KeyBase64
+  --chaCha20NonceBase64      ChaCha20NonceBase64
   --help                     Display this help screen.
   --version                  Display version information.
 ```