added app

Controllers/ValuesController.cs

@@ -0,0 +1,46 @@
+using System.IO;
+using System.Net.Http;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+
+namespace tv7playlist.Controllers
+{
+    [Route("api/playlist")]
+    [ApiController]
+    public class PlayListTV7Controller : ControllerBase
+    {
+        private const string Tv7OriginUrl = "https://api.init7.net/tvchannels.m3u";
+        private const string UdpxyRootUrl = "http://tv1.haefelfinger.net:4022/udp";
+
+        private static readonly Regex MulticastRegex = new Regex(@"(udp\:\/\/@)([0-9.:]+)",
+            RegexOptions.Compiled | RegexOptions.Singleline | RegexOptions.IgnoreCase);
+
+        [HttpGet]
+        public async Task<FileStreamResult> Get()
+        {
+            var httpClient = new HttpClient();
+            var tv7Response = await httpClient.GetAsync(Tv7OriginUrl);
+
+
+            var outStream = new MemoryStream();
+            var outWriter = new StreamWriter(outStream);
+
+            using (var tv7ReadStream = await tv7Response.Content.ReadAsStreamAsync())
+            using (var reader = new StreamReader(tv7ReadStream))
+            {
+                while (!reader.EndOfStream)
+                {
+                    var line = await reader.ReadLineAsync();
+                    line = MulticastRegex.Replace(line, $"{UdpxyRootUrl}/$2/");
+                    outWriter.WriteLine(line);
+                }
+
+                await outWriter.FlushAsync();
+            }
+
+            outStream.Seek(0, SeekOrigin.Begin);
+            return new FileStreamResult(outStream, "audio/mpegurl") {FileDownloadName = "PlaylistTV7udpxy.m3u"};
+        }
+    }
+}

Dockerfile

@@ -0,0 +1,16 @@
+FROM microsoft/dotnet:sdk AS build-env
+WORKDIR /app
+
+# Copy csproj and restore as distinct layers
+COPY *.csproj ./
+RUN dotnet restore
+
+# Copy everything else and build
+COPY . ./
+RUN dotnet publish -c Release -o out
+
+# Build runtime image
+FROM microsoft/dotnet:aspnetcore-runtime
+WORKDIR /app
+COPY --from=build-env /app/out .
+ENTRYPOINT ["dotnet", "aspnetapp.dll"]

Program.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Logging;
+
+namespace tv7playlist
+{
+    public class Program
+    {
+        public static void Main(string[] args)
+        {
+            CreateWebHostBuilder(args).Build().Run();
+        }
+
+        public static IWebHostBuilder CreateWebHostBuilder(string[] args) =>
+            WebHost.CreateDefaultBuilder(args)
+                .UseStartup<Startup>();
+    }
+}

Properties/launchSettings.json

@@ -0,0 +1,30 @@
+{
+  "$schema": "http://json.schemastore.org/launchsettings.json",
+  "iisSettings": {
+    "windowsAuthentication": false, 
+    "anonymousAuthentication": true, 
+    "iisExpress": {
+      "applicationUrl": "http://localhost:18699",
+      "sslPort": 44374
+    }
+  },
+  "profiles": {
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "launchUrl": "api/values",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "tv7playlist": {
+      "commandName": "Project",
+      "launchBrowser": true,
+      "launchUrl": "api/values",
+      "applicationUrl": "https://localhost:5001;http://localhost:5000",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

Startup.cs

@@ -0,0 +1,47 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.HttpsPolicy;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+
+namespace tv7playlist
+{
+    public class Startup
+    {
+        public Startup(IConfiguration configuration)
+        {
+            Configuration = configuration;
+        }
+
+        public IConfiguration Configuration { get; }
+
+        // This method gets called by the runtime. Use this method to add services to the container.
+        public void ConfigureServices(IServiceCollection services)
+        {
+            services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_1);
+        }
+
+        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
+        public void Configure(IApplicationBuilder app, IHostingEnvironment env)
+        {
+            if (env.IsDevelopment())
+            {
+                app.UseDeveloperExceptionPage();
+            }
+            else
+            {
+                app.UseHsts();
+            }
+
+            app.UseHttpsRedirection();
+            app.UseMvc();
+        }
+    }
+}

appsettings.Development.json

@@ -0,0 +1,9 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Debug",
+      "System": "Information",
+      "Microsoft": "Information"
+    }
+  }
+}

appsettings.json

@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Warning"
+    }
+  },
+  "AllowedHosts": "*"
+}

tv7playlist.csproj

@@ -0,0 +1,16 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp2.1</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Folder Include="wwwroot\" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.App" />
+    <PackageReference Include="Microsoft.AspNetCore.Razor.Design" Version="2.1.2" PrivateAssets="All" />
+  </ItemGroup>
+
+</Project>