mirror of
https://gitea.tendokyu.moe/Kayori/Medusa.net.git
synced 2026-09-22 22:38:00 +03:00
279 lines
9.1 KiB
C#
279 lines
9.1 KiB
C#
using System.Net;
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using System.Net.NetworkInformation;
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using System.Net.Sockets;
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using KbinXml.Net;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.EntityFrameworkCore;
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using Server;
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using Server.Extensions;
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using Server.Middlewares;
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using Server.Services;
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using Server.Utils;
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using System.Security.Cryptography;
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using System.Text;
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using System.Xml.Linq;
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using Abstractions.Entities;
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using Abstractions.Services;
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using Abstractions.Utils;
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using Microsoft.AspNetCore.Hosting.Server;
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using Microsoft.AspNetCore.Hosting.Server.Features;
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using Server.Authentication;
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using Server.Models.Request;
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var key =
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Convert.FromHexString("00000000000069D74627D985EE2187161570D08D93B12455035B6DF0D8205DF5");
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Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
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var builder = WebApplication.CreateBuilder(args);
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var loggerFactory = LoggerFactory.Create(b => b.AddConsole());
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var logger = loggerFactory.CreateLogger("MedusaLogger");
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var pluginService = new PluginService(logger);
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// Add services to the container.
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pluginService.RegisterPlugins();
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var plugins = pluginService.GetPlugins();
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foreach (var plugin in plugins)
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{
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await plugin.OnBuilderInitialize(builder);
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}
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builder.Services.AddAuthorization();
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builder.Services.AddIdentityApiEndpoints<User>()
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.AddEntityFrameworkStores<AppDbContext>();
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builder.Services.AddHandlers();
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builder.Services.AddDbContext<AppDbContext>(options => options.UseSqlite("Data Source=Medusa.db;"));
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builder.Services.AddIdentityCore<User>(config =>
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{
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config.Password.RequiredLength = 8;
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config.SignIn.RequireConfirmedEmail = true;
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config.Lockout.AllowedForNewUsers = true;
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}).AddEntityFrameworkStores<AppDbContext>();
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builder.Services.AddTransient<ICardService, CardService>();
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builder.Services.AddSingleton<IPluginService>(pluginService);
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builder.Services.AddSingleton<IXmlLogService, XmlLogService>();
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var app = builder.Build();
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app.Lifetime.ApplicationStarted.Register(() =>
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{
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var serverAddresses = app.Services.GetRequiredService<IServer>()
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.Features.Get<IServerAddressesFeature>();
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var localIp = IpUtils.GetLocalIPv4();
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if (serverAddresses == null || localIp == null) return;
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foreach (var address in serverAddresses.Addresses)
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{
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var uri = new Uri(address);
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var displayAddress = $"{uri.Scheme}://{localIp}:{uri.Port}";
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Console.WriteLine($"Accessible at: {displayAddress}");
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}
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});
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app.UseDefaultFiles();
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app.UseStaticFiles();
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// Configure the HTTP request pipeline.
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//app.UseHttpsRedirection();
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app.UseMiddleware<BodyParsingMiddleware>();
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app.UseHandlers();
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foreach (var plugin in plugins)
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{
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await plugin.OnAppInitialize(app);
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}
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app.MapIdentityApi();
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var eamuseGroup = app.MapGroup("eamuse");
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eamuseGroup.MapPost("/{model}/{module}/{method}", (string model, string module, string method,
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[FromServices] IHttpContextAccessor httpContextAccessor) =>
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{
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});
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eamuseGroup.MapPost("/{m}", async (string m, [FromQuery] string model, [FromQuery] string? module, [FromQuery] string? method, [FromQuery] string? f,
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HttpContext httpContext, [FromServices] ILogger<Program> logger, [FromServices] IHandlerService handlerService) =>
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{
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// Enable buffering to allow multiple reads of the request body
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httpContext.Request.EnableBuffering();
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// The body is 932 encoded xml
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using var reader = new StreamReader(httpContext.Request.Body, Encoding.GetEncoding(932), false, 1024, true);
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var body = await reader.ReadToEndAsync();
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httpContext.Request.Body.Position = 0;
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var compress = httpContext.Request.Headers["X-Compress"].ToString().Contains("lz77");
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var encrypt = httpContext.Request.Headers["X-Eamuse-Info"].FirstOrDefault() is not null;
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var amusementRequest = new AmusementRequest() { Model = model, Module = module ?? "", Method = method ?? "" };
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if(!string.IsNullOrEmpty(f))
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{
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var fParts = f.Split('.');
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amusementRequest.Module = fParts[0];
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amusementRequest.Method = fParts[1];
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}
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logger.LogInformation("Handling {Module} {Method}", amusementRequest.Module, amusementRequest.Method);
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var document = new XDocument();
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if (!string.IsNullOrEmpty(body))
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document = XDocument.Parse(body);
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var responseXml = await handlerService.Handle(amusementRequest.Model, amusementRequest.Module, amusementRequest.Method, document);
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var encoding = httpContext.Items["Encoding"]?.ToString() ?? "ShiftJIS";
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var encodingEnum = encoding switch
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{
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"shift_jis" or "ShiftJIS" or "SHIFT_JIS" => KnownEncodings.ShiftJIS,
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"us-ascii" => KnownEncodings.ASCII,
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"utf-8" => KnownEncodings.UTF8,
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"euc-jp" => KnownEncodings.EUC_JP,
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"iso-8859-1" => KnownEncodings.ISO_8859_1,
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_ => throw new ArgumentException($"Unknown encoding: {encoding}")
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};
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if (amusementRequest.Module == "package")
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{
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logger.LogInformation("{xml}", responseXml);
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}
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var encodedBody = KbinConverter.Write(responseXml, encodingEnum);
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if (amusementRequest.Module == "package")
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{
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File.WriteAllBytes("test.bin", encodedBody);
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}
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if(compress)
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{
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encodedBody = LZ77.CompressEmpty(encodedBody);
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}
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if (!encrypt) return TypedResults.Bytes(encodedBody, "application/octet-stream");
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var originalInfo = httpContext.Request.Headers["X-Eamuse-Info"].FirstOrDefault()?.Split('-') ?? [];
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var part = Convert.FromHexString((originalInfo[1] + originalInfo[2]));
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for(var i = 0; i < 6; i++)
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key[i] = part[i];
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var rc4Key = MD5.HashData(key);
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encodedBody = RC4.Encrypt(rc4Key, encodedBody);
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httpContext.Response.Headers.Append("X-Eamuse-Info", string.Join('-', originalInfo));
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return TypedResults.Bytes(encodedBody, "application/octet-stream");
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});
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eamuseGroup.MapPost("/", async ([FromQuery] string model, [FromQuery] string? module, [FromQuery] string? method, [FromQuery] string? f,
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HttpContext httpContext, [FromServices] ILogger<Program> logger, [FromServices] IHandlerService handlerService) =>
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{
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// Enable buffering to allow multiple reads of the request body
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httpContext.Request.EnableBuffering();
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var body = "";
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// The body is 932 encoded xml
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if(httpContext.Request.Body.Length != 0)
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{
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using var reader = new StreamReader(httpContext.Request.Body, Encoding.GetEncoding(932), false, 1024, true);
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body = await reader.ReadToEndAsync();
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}
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httpContext.Request.Body.Position = 0;
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var compress = httpContext.Request.Headers["X-Compress"].ToString().Contains("lz77");
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var encrypt = httpContext.Request.Headers["X-Eamuse-Info"].FirstOrDefault() is not null;
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var amusementRequest = new AmusementRequest() { Model = model, Module = module ?? "", Method = method ?? ""};
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if (!string.IsNullOrEmpty(f))
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{
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var fParts = f.Split('.');
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amusementRequest.Module = fParts[0];
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amusementRequest.Method = fParts[1];
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}
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logger.LogInformation("Handling {Module} {Method}", amusementRequest.Module, amusementRequest.Method);
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var document = new XDocument();
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if(!string.IsNullOrEmpty(body))
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document = XDocument.Parse(body);
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var responseXml = await handlerService.Handle(amusementRequest.Model, amusementRequest.Module, amusementRequest.Method, document);
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var encoding = httpContext.Items["Encoding"]?.ToString() ?? "ShiftJIS";
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var encodingEnum = encoding switch
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{
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"shift_jis" or "ShiftJIS" or "SHIFT_JIS" => KnownEncodings.ShiftJIS,
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"us-ascii" => KnownEncodings.ASCII,
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"utf-8" => KnownEncodings.UTF8,
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"euc-jp" => KnownEncodings.EUC_JP,
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"iso-8859-1" => KnownEncodings.ISO_8859_1,
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_ => throw new ArgumentException($"Unknown encoding: {encoding}")
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};
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if (amusementRequest.Module == "package")
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{
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logger.LogInformation("{xml}", responseXml);
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}
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byte[] encodedBody;
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if (httpContext.Request.Headers.TryGetValue("IsEncoded", out var value) && value == "false")
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{
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var encoder = Encoding.GetEncoding(encoding);
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encodedBody = encoder.GetBytes(responseXml.ToString());
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}
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else
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{
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encodedBody = KbinConverter.Write(responseXml, encodingEnum);
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if (amusementRequest.Module == "package")
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{
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File.WriteAllBytes("test.bin", encodedBody);
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}
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}
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if(compress)
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{
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encodedBody = LZ77.CompressEmpty(encodedBody);
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}
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if (!encrypt) return TypedResults.Bytes(encodedBody, "application/octet-stream");
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var originalInfo = httpContext.Request.Headers["X-Eamuse-Info"].FirstOrDefault()?.Split('-') ?? [];
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var part = Convert.FromHexString((originalInfo[1] + originalInfo[2]));
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for(var i = 0; i < 6; i++)
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key[i] = part[i];
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var rc4Key = MD5.HashData(key);
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encodedBody = RC4.Encrypt(rc4Key, encodedBody);
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httpContext.Response.Headers.Append("X-Eamuse-Info", string.Join('-', originalInfo));
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return TypedResults.Bytes(encodedBody, "application/octet-stream");
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});
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app.MapFallbackToFile("/index.html");
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await using var scope = app.Services.CreateAsyncScope();
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var appDbContext = scope.ServiceProvider.GetRequiredService<AppDbContext>();
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await appDbContext.Database.MigrateAsync();
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app.Run();
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return;
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