From 2b7bd3a11f397d8beddd5218699d8654945740f2 Mon Sep 17 00:00:00 2001 From: nilaoda Date: Mon, 1 Aug 2022 14:00:32 +0800 Subject: [PATCH] initial commit --- .gitignore | 362 ++++++++++++++++++++++++++++++++++++++++++ ApiRequest.cs | 29 ++++ ApiResponse.cs | 19 +++ Directory.Build.props | 30 ++++ HTTPUtil.cs | 75 +++++++++ Program.cs | 91 +++++++++++ README.md | 99 +++++++++++- RequestHandler.cs | 73 +++++++++ Util.cs | 30 ++++ WVCore.Server.csproj | 22 +++ WVUtil.cs | 40 +++++ rd.xml | 53 +++++++ 12 files changed, 922 insertions(+), 1 deletion(-) create mode 100644 .gitignore create mode 100644 ApiRequest.cs create mode 100644 ApiResponse.cs create mode 100644 Directory.Build.props create mode 100644 HTTPUtil.cs create mode 100644 Program.cs create mode 100644 RequestHandler.cs create mode 100644 Util.cs create mode 100644 WVCore.Server.csproj create mode 100644 WVUtil.cs create mode 100644 rd.xml diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..1ee5385 --- /dev/null +++ b/.gitignore @@ -0,0 +1,362 @@ +## Ignore Visual Studio temporary files, build results, and +## files generated by popular Visual Studio add-ons. +## +## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore + +# User-specific files +*.rsuser +*.suo +*.user +*.userosscache +*.sln.docstates + +# User-specific files (MonoDevelop/Xamarin Studio) +*.userprefs + +# Mono auto generated files +mono_crash.* + +# Build results +[Dd]ebug/ +[Dd]ebugPublic/ +[Rr]elease/ +[Rr]eleases/ +x64/ +x86/ +[Ww][Ii][Nn]32/ +[Aa][Rr][Mm]/ +[Aa][Rr][Mm]64/ +bld/ +[Bb]in/ +[Oo]bj/ +[Ll]og/ +[Ll]ogs/ + +# Visual Studio 2015/2017 cache/options directory +.vs/ +# Uncomment if you have tasks that create the project's static files in wwwroot +#wwwroot/ + +# Visual Studio 2017 auto generated files +Generated\ Files/ + +# MSTest test Results +[Tt]est[Rr]esult*/ +[Bb]uild[Ll]og.* + +# NUnit +*.VisualState.xml +TestResult.xml +nunit-*.xml + +# Build Results of an ATL Project +[Dd]ebugPS/ +[Rr]eleasePS/ +dlldata.c + +# Benchmark Results +BenchmarkDotNet.Artifacts/ + +# .NET Core +project.lock.json +project.fragment.lock.json +artifacts/ + +# ASP.NET Scaffolding +ScaffoldingReadMe.txt + +# StyleCop +StyleCopReport.xml + +# Files built by Visual Studio +*_i.c +*_p.c +*_h.h +*.ilk +*.meta +*.obj +*.iobj +*.pch +*.pdb +*.ipdb +*.pgc +*.pgd +*.rsp +*.sbr +*.tlb +*.tli +*.tlh +*.tmp +*.tmp_proj +*_wpftmp.csproj +*.log +*.vspscc +*.vssscc +.builds +*.pidb +*.svclog +*.scc + +# Chutzpah Test files +_Chutzpah* + +# Visual C++ cache files +ipch/ +*.aps +*.ncb +*.opendb +*.opensdf +*.sdf +*.cachefile +*.VC.db +*.VC.VC.opendb + +# Visual Studio profiler +*.psess +*.vsp +*.vspx +*.sap + +# Visual Studio Trace Files +*.e2e + +# TFS 2012 Local Workspace +$tf/ + +# Guidance Automation Toolkit +*.gpState + +# ReSharper is a .NET coding add-in +_ReSharper*/ +*.[Rr]e[Ss]harper +*.DotSettings.user + +# TeamCity is a build add-in +_TeamCity* + +# DotCover is a Code Coverage Tool +*.dotCover + +# AxoCover is a Code Coverage Tool +.axoCover/* +!.axoCover/settings.json + +# Coverlet is a free, cross platform Code Coverage Tool +coverage*.json +coverage*.xml +coverage*.info + +# Visual Studio code coverage results +*.coverage +*.coveragexml + +# NCrunch +_NCrunch_* +.*crunch*.local.xml +nCrunchTemp_* + +# MightyMoose +*.mm.* +AutoTest.Net/ + +# Web workbench (sass) +.sass-cache/ + +# Installshield output folder +[Ee]xpress/ + +# DocProject is a documentation generator add-in +DocProject/buildhelp/ +DocProject/Help/*.HxT +DocProject/Help/*.HxC +DocProject/Help/*.hhc +DocProject/Help/*.hhk +DocProject/Help/*.hhp +DocProject/Help/Html2 +DocProject/Help/html + +# Click-Once directory +publish/ + +# Publish Web Output +*.[Pp]ublish.xml +*.azurePubxml +# Note: Comment the next line if you want to checkin your web deploy settings, +# but database connection strings (with potential passwords) will be unencrypted +*.pubxml +*.publishproj + +# Microsoft Azure Web App publish settings. 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+using System.Collections.Generic; +using System.ComponentModel.DataAnnotations; +using System.Linq; +using System.Text; +using System.Threading.Tasks; + +namespace WVCore.Server +{ + class ChallengeRequest + { + public string PSSH { get; set; } + public string CertBase64 { get; set; } + } + + class KeyRequest + { + public string PSSH { get; set; } + public string ChallengeBase64 { get; set; } + public string LicenseBase64 { get; set; } + } + + internal class ApiRequest + { + public string PSSH { get; set; } + public Dictionary Headers { get; set; } + public string LicenseUrl { get; set; } + } +} diff --git a/ApiResponse.cs b/ApiResponse.cs new file mode 100644 index 0000000..eec4722 --- /dev/null +++ b/ApiResponse.cs @@ -0,0 +1,19 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; +using System.Threading.Tasks; + +namespace WVCore.Server +{ + class ChallengeResonse + { + public string ChallengeBase64 { get; set; } + } + + internal class ApiResponse + { + public string PSSH { get; set; } + public List Keys { get; set; } + } +} diff --git a/Directory.Build.props b/Directory.Build.props new file mode 100644 index 0000000..0b34136 --- /dev/null +++ b/Directory.Build.props @@ -0,0 +1,30 @@ + + + + Speed + true + false + true + Link + link + 7.0.0-* + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/HTTPUtil.cs b/HTTPUtil.cs new file mode 100644 index 0000000..88c83f1 --- /dev/null +++ b/HTTPUtil.cs @@ -0,0 +1,75 @@ +using NLog; +using System; +using System.Collections.Concurrent; +using System.Collections.Generic; +using System.Collections.Specialized; +using System.Diagnostics; +using System.IO; +using System.Linq; +using System.Net; +using System.Net.Cache; +using System.Net.Http; +using System.Net.Http.Headers; +using System.Security.Cryptography; +using System.Text; +using System.Text.Json; +using System.Text.RegularExpressions; +using System.Threading; +using System.Threading.Tasks; +using System.Web; + +namespace WVCore.Server +{ + public class HTTPUtil + { + static Logger logger = LogManager.GetCurrentClassLogger(); + + public static readonly HttpClient AppHttpClient = new(new HttpClientHandler + { + AllowAutoRedirect = true, + AutomaticDecompression = DecompressionMethods.All, + ServerCertificateCustomValidationCallback = (sender, cert, chain, sslPolicyErrors) => true + }) + { + Timeout = TimeSpan.FromMinutes(5) + }; + + public static async Task PostDataAsync(string URL, Dictionary headers, byte[] postData) + { + logger.Debug($"Post to: {URL}"); + logger.Debug($"Post data: {Util.BytesToHex(postData, " ")}"); + ByteArrayContent content = new ByteArrayContent(postData); + if (headers.TryGetValue("Content-Type", out var contentType)) + { + content.Headers.ContentType = MediaTypeHeaderValue.Parse(contentType); + } + HttpResponseMessage response = await PostAsync(URL, headers, content); + byte[] bytes = await response.Content.ReadAsByteArrayAsync(); + logger.Debug($"Recv data: {Util.BytesToHex(bytes, " ")}"); + return bytes; + } + + private static async Task PostAsync(string URL, Dictionary headers, HttpContent content) + { + HttpRequestMessage request = new HttpRequestMessage() + { + RequestUri = new Uri(URL), + Method = HttpMethod.Post, + Content = content + }; + + if (headers != null) + foreach (KeyValuePair header in headers) + request.Headers.TryAddWithoutValidation(header.Key, header.Value); + + logger.Debug(request.Headers.ToString()); + + return await SendAsync(request); + } + + static async Task SendAsync(HttpRequestMessage request) + { + return await AppHttpClient.SendAsync(request); + } + } +} diff --git a/Program.cs b/Program.cs new file mode 100644 index 0000000..9348373 --- /dev/null +++ b/Program.cs @@ -0,0 +1,91 @@ +using Microsoft.AspNetCore.Builder; +using Microsoft.AspNetCore.Http; +using Microsoft.Extensions.Logging; +using Microsoft.Extensions.DependencyInjection; +using NLog.Config; +using NLog.Targets; +using NLog; +using ProtoBuf; + +namespace WVCore.Server +{ + internal class Program + { + static FileInfo? ClientIdFile = null; + static FileInfo? PrivateKeyFile = null; + + static Program() + { + if (!File.Exists("device_client_id_blob")) + throw new FileNotFoundException("找不到device_client_id_blob文件"); + if (!File.Exists("device_private_key")) + throw new FileNotFoundException("找不到device_private_key文件"); + + ClientIdFile = new FileInfo("device_client_id_blob"); + PrivateKeyFile = new FileInfo("device_private_key"); + } + + static WVApi GetWVApi() + { + return new WVApi(ClientIdFile, PrivateKeyFile); + } + + /** + * Test PSSH: AAAAp3Bzc2gAAAAA7e+LqXnWSs6jyCfc1R0h7QAAAIcSEFF0U4YtQlb9i61PWEIgBNcSEPCTfpp3yFXwptQ4ZMXZ82USEE1LDKJawVjwucGYPFF+4rUSEJAqBRprNlaurBkm/A9dkjISECZHD0KW1F0Eqbq7RC4WmAAaDXdpZGV2aW5lX3Rlc3QiFnNoYWthX2NlYzViZmY1ZGM0MGRkYzlI49yVmwY= + * Server: https://cwip-shaka-proxy.appspot.com/no_auth + */ + static void Main(string[] args) + { + InitLog(); + var logger = LogManager.GetCurrentClassLogger(); + logger.Debug("Log Inited."); + + var builder = WebApplication.CreateBuilder(args); + builder.Logging.ClearProviders(); + + builder.Services.AddCors(p => + { + p.AddDefaultPolicy(builder => builder + .AllowAnyOrigin() + .AllowAnyHeader() + .AllowAnyMethod()); + }); + + logger.Info("The app started!"); + logger.Info("Listening: http://0.0.0.0:18888"); + + var app = builder.Build(); + app.UseCors(); + app.Urls.Add("http://0.0.0.0:18888"); + app.MapGet("/wvapi", () => "Please Use POST!"); + app.MapPost("/wvapi", async (HttpRequest request) => await RequestHandler.HandleCommon(request, GetWVApi())); + app.MapPost("/getchallenge", async (HttpRequest request) => await RequestHandler.HandleChallenge(request, GetWVApi())); + app.MapPost("/getkeys", async (HttpRequest request) => await RequestHandler.HandleKeys(request, GetWVApi())); + app.Run(); + } + + static void InitLog() + { + var config = new LoggingConfiguration(); + var consoleTarget = new ColoredConsoleTarget(); + config.AddTarget("console", consoleTarget); + var fileTarget = new FileTarget(); + config.AddTarget("file", fileTarget); + + consoleTarget.Layout = "${longdate} [${level:uppercase=true}] - ${message} ${exception:format=tostring}"; + fileTarget.Layout = "${longdate} [${level:uppercase=true}] [${logger}] - ${message} ${exception:format=tostring}"; + fileTarget.FileName = "${basedir}/logs/WVCore.${shortdate}.log"; + + var rule1 = new LoggingRule("*", NLog.LogLevel.Info, consoleTarget); + config.LoggingRules.Add(rule1); + + if (!Environment.GetCommandLineArgs().Any(s => s.Contains("nolog"))) + { + var rule2 = new LoggingRule("*", NLog.LogLevel.Debug, fileTarget); + config.LoggingRules.Add(rule2); + } + + LogManager.Configuration = config; + } + } +} \ No newline at end of file diff --git a/README.md b/README.md index 4e3da39..222b571 100644 --- a/README.md +++ b/README.md @@ -1,2 +1,99 @@ # WVCore.Server -Tiny Server. Example of WVCore Api. +Tiny Server. Example of [WVCore](https://github.com/nilaoda/WVCore) Api. + +# Api + +## `/wvapi` + +METHOD: POST + +REQ: +```json +{ + "PSSH":"PSSH", + "Headers":{ + "User-Agent":"IOS" + }, + "LicenseUrl":"https://auth" +} +``` + +RESP: +```json +{ + "pssh":"PSSH", + "keys":[ + "kid:key", + "kid:key" + ] +} +``` + +## `/getchallenge` + +METHOD: POST + +REQ: +```json +{ + "PSSH":"PSSH", + "CertBase64":"CertBase64" +} +``` + +RESP: +```json +{ + "challengeBase64":"challengeBase64" +} +``` + +## `/getkeys` + +METHOD: POST + +REQ: +```json +{ + "PSSH":"PSSH", + "ChallengeBase64":"ChallengeBase64", + "LicenseBase64":"LicenseBase64" +} +``` + +RESP: +```json +{ + "pssh":"PSSH", + "keys":[ + "kid:key", + "kid:key" + ] +} +``` + +# JS Example + +```js +let body = { + "PSSH": "AAAAp3Bzc2gAAAAA7e+LqXnWSs6jyCfc1R0h7QAAAIcSEFF0U4YtQlb9i61PWEIgBNcSEPCTfpp3yFXwptQ4ZMXZ82USEE1LDKJawVjwucGYPFF+4rUSEJAqBRprNlaurBkm/A9dkjISECZHD0KW1F0Eqbq7RC4WmAAaDXdpZGV2aW5lX3Rlc3QiFnNoYWthX2NlYzViZmY1ZGM0MGRkYzlI49yVmwY=", + "Headers": { + "User-Agent": "Test" + }, + "LicenseUrl": "https://cwip-shaka-proxy.appspot.com/no_auth" +} +let json = await fetch("http://127.0.0.1:18888/wvapi", { + body: JSON.stringify(body), + headers: { + "Content-Type": "application/json" + }, + method: "POST" +}).then(resp => resp.json()); +console.log(json.keys); +``` + +# More + +https://github.com/nilaoda/Blog/discussions/58 + + diff --git a/RequestHandler.cs b/RequestHandler.cs new file mode 100644 index 0000000..1f22499 --- /dev/null +++ b/RequestHandler.cs @@ -0,0 +1,73 @@ +using Microsoft.AspNetCore.Http; +using NLog; + +namespace WVCore.Server +{ + internal class RequestHandler + { + static Logger logger = LogManager.GetCurrentClassLogger(); + + public static async Task HandleCommon(HttpRequest request, WVApi wvApi) + { + try + { + var apiReqeust = await request.ReadFromJsonAsync(); + logger.Info(request.Path + " ==> " + Util.ConvertToJson(apiReqeust)); + var keys = await WVUtil.GetKeysAsync(apiReqeust.PSSH, apiReqeust.LicenseUrl, apiReqeust.Headers, wvApi); + var apiResponse = new ApiResponse() + { + PSSH = apiReqeust.PSSH, + Keys = keys + }; + logger.Info(request.Path + " <== " + Util.ConvertToJson(apiResponse)); + return Results.Ok(apiResponse); + } + catch (Exception) + { + return Results.Problem("Error"); + } + } + + public static async Task HandleChallenge(HttpRequest request, WVApi wvApi) + { + try + { + var challengeReqeust = await request.ReadFromJsonAsync(); + logger.Info(request.Path + " ==> " + Util.ConvertToJson(challengeReqeust)); + var challenge = wvApi.GetChallenge(challengeReqeust.PSSH, challengeReqeust.CertBase64, false, false); + var challengeResponse = new ChallengeResonse() + { + ChallengeBase64 = Convert.ToBase64String(challenge) + }; + logger.Info(request.Path + " <== " + Util.ConvertToJson(challengeResponse)); + return Results.Ok(challengeResponse); + } + catch (Exception) + { + return Results.Problem("Error"); + } + } + + public static async Task HandleKeys(HttpRequest request, WVApi wvApi) + { + try + { + var keyReqeust = await request.ReadFromJsonAsync(); + logger.Info(request.Path + " ==> " + Util.ConvertToJson(keyReqeust)); + var pssh = wvApi.ProvideLicense(keyReqeust.LicenseBase64, keyReqeust.ChallengeBase64); + var keys = wvApi.GetKeys().Select(k => k.ToString()).ToList(); + var apiResponse = new ApiResponse() + { + PSSH = keyReqeust.PSSH, + Keys = keys + }; + logger.Info(request.Path + " <== " + Util.ConvertToJson(apiResponse)); + return Results.Ok(apiResponse); + } + catch (Exception) + { + return Results.Problem("Error"); + } + } + } +} diff --git a/Util.cs b/Util.cs new file mode 100644 index 0000000..1d23ca2 --- /dev/null +++ b/Util.cs @@ -0,0 +1,30 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; +using System.Text.Json; +using System.Text.Json.Serialization; +using System.Threading.Tasks; + +namespace WVCore.Server +{ + internal class Util + { + public static string ConvertToJson(object o) + { + var options = new JsonSerializerOptions + { + Encoder = System.Text.Encodings.Web.JavaScriptEncoder.UnsafeRelaxedJsonEscaping, + WriteIndented = false, + DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull, + Converters = { new JsonStringEnumConverter() } + }; + return JsonSerializer.Serialize(o, options); + } + + public static string BytesToHex(byte[] data, string split = "") + { + return BitConverter.ToString(data).Replace("-", split); + } + } +} diff --git a/WVCore.Server.csproj b/WVCore.Server.csproj new file mode 100644 index 0000000..d83fb1d --- /dev/null +++ b/WVCore.Server.csproj @@ -0,0 +1,22 @@ + + + + Exe + net6.0 + enable + enable + + + + + + + + + + + + + + + diff --git a/WVUtil.cs b/WVUtil.cs new file mode 100644 index 0000000..fbd9cb6 --- /dev/null +++ b/WVUtil.cs @@ -0,0 +1,40 @@ +using NLog; +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; +using System.Threading.Tasks; +using WVCore.Widevine; + +namespace WVCore.Server +{ + internal class WVUtil + { + static Logger logger = LogManager.GetCurrentClassLogger(); + + public static async Task> GetKeysAsync(string pssh, string licenseUrl, Dictionary? headers, WVApi cdm) + { + var keyStrings = new List(); + if (headers == null) + headers = new Dictionary(); + + logger.Debug("get cert..."); + var resp1 = await HTTPUtil.PostDataAsync(licenseUrl, headers, new byte[] { 0x08, 0x04 }); + var certDataB64 = Convert.ToBase64String(resp1); + logger.Debug("get challenge..."); + var challenge = cdm.GetChallenge(pssh, certDataB64, false, false); + logger.Debug("get license..."); + var resp2 = await HTTPUtil.PostDataAsync(licenseUrl, headers, challenge); + var licenseB64 = Convert.ToBase64String(resp2); + //license传递给cdm + cdm.ProvideLicense(licenseB64); + logger.Debug("get keys..."); + List keys = cdm.GetKeys(); + foreach (var k in keys) + { + keyStrings.Add(k.ToString()); + } + return keyStrings; + } + } +} diff --git a/rd.xml b/rd.xml new file mode 100644 index 0000000..7de6519 --- /dev/null +++ b/rd.xml @@ -0,0 +1,53 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file