mirror of
https://github.com/WB3000/nusdownloader.git
synced 2024-06-01 08:48:49 +02:00
3ed87d8ea1
NusClient.cs: Added fix by madri2, and custom fix to hopefully fix Demae channel issue. Update issue 11 Status: Started v patch readded, working on scripting not ignoring checkboxes. Update issue 9 Status: Fixed This should be fixed. Needs a rebuild, can't do that from where I am now.
563 lines
23 KiB
C#
563 lines
23 KiB
C#
/* This file is part of libWiiSharp
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* Copyright (C) 2009 Leathl
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*
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* libWiiSharp is free software: you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as published
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* by the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* libWiiSharp is distributed in the hope that it will be
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* useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.ComponentModel;
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using System.IO;
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using System.Net;
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using System.Security.Cryptography;
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namespace libWiiSharp
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{
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public enum StoreType
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{
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EncryptedContent = 0,
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DecryptedContent = 1,
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WAD = 2,
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All = 3,
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Empty = 4
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}
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public class NusClient : IDisposable
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{
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private const string WII_NUS_URL = "http://nus.cdn.shop.wii.com/ccs/download/";
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private const string DSI_NUS_URL = "http://nus.cdn.t.shop.nintendowifi.net/ccs/download/";
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private const string WII_USER_AGENT = "wii libnup/1.0";
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private const string DSI_USER_AGENT = "Opera/9.50 (Nintendo; Opera/154; U; Nintendo DS; en)";
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private string nusUrl = WII_NUS_URL;
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private WebClient wcNus = new WebClient();
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private bool useLocalFiles = false;
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private bool continueWithoutTicket = false;
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private int titleversion;
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public int TitleVersion { get { return titleversion; } }
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/// <summary>
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/// If true, existing local files will be used.
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/// </summary>
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public bool UseLocalFiles { get { return useLocalFiles; } set { useLocalFiles = value; } }
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/// <summary>
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/// If true, the download will be continued even if no ticket for the title is avaiable (WAD packaging and decryption are disabled).
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/// </summary>
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public bool ContinueWithoutTicket { get { return continueWithoutTicket; } set { continueWithoutTicket = value; } }
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#region IDisposable Members
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private bool isDisposed = false;
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~NusClient()
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{
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Dispose(false);
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}
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public void Dispose()
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{
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Dispose(true);
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GC.SuppressFinalize(this);
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}
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protected virtual void Dispose(bool disposing)
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{
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if (disposing && !isDisposed)
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{
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wcNus.Dispose();
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}
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isDisposed = true;
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}
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#endregion
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#region Public Functions
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public void ConfigureNusClient(WebClient wcReady)
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{
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wcNus = wcReady;
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}
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public void SetToWiiServer()
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{
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nusUrl = WII_NUS_URL;
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wcNus.Headers.Add("User-Agent", WII_USER_AGENT);
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}
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public void SetToDSiServer()
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{
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nusUrl = DSI_NUS_URL;
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wcNus.Headers.Add("User-Agent", DSI_USER_AGENT);
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}
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/// <summary>
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/// Grabs a title from NUS, you can define several store types.
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/// Leave the title version empty for the latest.
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/// </summary>
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/// <param name="titleId"></param>
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/// <param name="titleVersion"></param>
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/// <param name="outputDir"></param>
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/// <param name="storeTypes"></param>
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public void DownloadTitle(string titleId, string titleVersion, string outputDir, string wadName, params StoreType[] storeTypes)
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{
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if (titleId.Length != 16) throw new Exception("Title ID must be 16 characters long!");
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downloadTitle(titleId, titleVersion, outputDir, wadName, storeTypes);
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}
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/// <summary>
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/// Grabs a TMD from NUS.
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/// Leave the title version empty for the latest.
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/// </summary>
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/// <param name="titleId"></param>
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/// <param name="titleVersion"></param>
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/// <returns></returns>
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public TMD DownloadTMD(string titleId, string titleVersion)
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{
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if (titleId.Length != 16) throw new Exception("Title ID must be 16 characters long!");
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return downloadTmd(titleId, titleVersion);
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}
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/// <summary>
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/// Grabs a Ticket from NUS.
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/// </summary>
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/// <param name="titleId"></param>
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/// <returns></returns>
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public Ticket DownloadTicket(string titleId)
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{
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if (titleId.Length != 16) throw new Exception("Title ID must be 16 characters long!");
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return downloadTicket(titleId);
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}
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/// <summary>
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/// Grabs a single content file and decrypts it.
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/// Leave the title version empty for the latest.
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/// </summary>
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/// <param name="titleId"></param>
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/// <param name="titleVersion"></param>
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/// <param name="contentId"></param>
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/// <returns></returns>
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public byte[] DownloadSingleContent(string titleId, string titleVersion, string contentId)
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{
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if (titleId.Length != 16) throw new Exception("Title ID must be 16 characters long!");
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return downloadSingleContent(titleId, titleVersion, contentId);
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}
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/// <summary>
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/// Grabs a single content file and decrypts it.
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/// Leave the title version empty for the latest.
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/// </summary>
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/// <param name="titleId"></param>
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/// <param name="titleVersion"></param>
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/// <param name="contentId"></param>
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/// <param name="savePath"></param>
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public void DownloadSingleContent(string titleId, string titleVersion, string contentId, string savePath)
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{
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if (titleId.Length != 16) throw new Exception("Title ID must be 16 characters long!");
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if (!Directory.Exists(Path.GetDirectoryName(savePath))) Directory.CreateDirectory(Path.GetDirectoryName(savePath));
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if (File.Exists(savePath)) File.Delete(savePath);
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byte[] content = downloadSingleContent(titleId, titleVersion, contentId);
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File.WriteAllBytes(savePath, content);
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}
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#endregion
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#region Private Functions
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private byte[] downloadSingleContent(string titleId, string titleVersion, string contentId)
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{
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uint cId = uint.Parse(contentId, System.Globalization.NumberStyles.HexNumber);
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contentId = cId.ToString("x8");
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fireDebug("Downloading Content (Content ID: {0}) of Title {1} v{2}...", contentId, titleId, (string.IsNullOrEmpty(titleVersion)) ? "[Latest]" : titleVersion);
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fireDebug(" Checking for Internet connection...");
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if (!CheckInet())
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{ fireDebug(" Connection not found..."); throw new Exception("You're not connected to the internet!"); }
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fireProgress(0);
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string tmdFile = "tmd" + (string.IsNullOrEmpty(titleVersion) ? string.Empty : string.Format(".{0}", titleVersion));
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string titleUrl = string.Format("{0}{1}/", nusUrl, titleId);
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string contentIdString = string.Empty;
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int cIndex = 0;
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//Download TMD
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fireDebug(" Downloading TMD...");
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byte[] tmdArray = wcNus.DownloadData(titleUrl + tmdFile);
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fireDebug(" Parsing TMD...");
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TMD tmd = TMD.Load(tmdArray);
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fireProgress(20);
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//Search for Content ID in TMD
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fireDebug(" Looking for Content ID {0} in TMD...", contentId);
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bool foundContentId = false;
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for (int i = 0; i < tmd.Contents.Length; i++)
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if (tmd.Contents[i].ContentID == cId)
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{
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fireDebug(" Content ID {0} found in TMD...", contentId);
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foundContentId = true;
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contentIdString = tmd.Contents[i].ContentID.ToString("x8");
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cIndex = i;
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break;
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}
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if (!foundContentId)
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{ fireDebug(" Content ID {0} wasn't found in TMD...", contentId); throw new Exception("Content ID wasn't found in the TMD!"); }
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//Download Ticket
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fireDebug(" Downloading Ticket...");
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byte[] tikArray = wcNus.DownloadData(titleUrl + "cetk");
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fireDebug(" Parsing Ticket...");
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Ticket tik = Ticket.Load(tikArray);
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fireProgress(40);
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//Download and Decrypt Content
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fireDebug(" Downloading Content... ({0} bytes)", tmd.Contents[cIndex].Size);
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byte[] encryptedContent = wcNus.DownloadData(titleUrl + contentIdString);
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fireProgress(80);
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fireDebug(" Decrypting Content...");
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byte[] decryptedContent = decryptContent(encryptedContent, cIndex, tik, tmd);
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Array.Resize(ref decryptedContent, (int)tmd.Contents[cIndex].Size);
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//Check SHA1
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SHA1 s = SHA1.Create();
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byte[] newSha = s.ComputeHash(decryptedContent);
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if (!Shared.CompareByteArrays(newSha, tmd.Contents[cIndex].Hash))
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{ fireDebug(@"/!\ /!\ /!\ Hashes do not match /!\ /!\ /!\"); throw new Exception("Hashes do not match!"); }
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fireProgress(100);
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fireDebug("Downloading Content (Content ID: {0}) of Title {1} v{2} Finished...", contentId, titleId, (string.IsNullOrEmpty(titleVersion)) ? "[Latest]" : titleVersion);
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return decryptedContent;
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}
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private Ticket downloadTicket(string titleId)
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{
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if (!CheckInet())
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throw new Exception("You're not connected to the internet!");
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string titleUrl = string.Format("{0}{1}/", nusUrl, titleId);
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byte[] tikArray = wcNus.DownloadData(titleUrl + "cetk");
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return Ticket.Load(tikArray);
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}
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private TMD downloadTmd(string titleId, string titleVersion)
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{
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if (!CheckInet())
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throw new Exception("You're not connected to the internet!");
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string titleUrl = string.Format("{0}{1}/", nusUrl, titleId);
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string tmdFile = "tmd" + (string.IsNullOrEmpty(titleVersion) ? string.Empty : string.Format(".{0}", titleVersion));
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byte[] tmdArray = wcNus.DownloadData(titleUrl + tmdFile);
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return TMD.Load(tmdArray);
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}
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private void downloadTitle(string titleId, string titleVersion, string outputDir, string wadName, StoreType[] storeTypes)
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{
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fireDebug("Downloading Title {0} v{1}...", titleId, (string.IsNullOrEmpty(titleVersion)) ? "[Latest]" : titleVersion);
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if (storeTypes.Length < 1)
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{ fireDebug(" No store types were defined..."); throw new Exception("You must at least define one store type!"); }
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string titleUrl = string.Format("{0}{1}/", nusUrl, titleId);
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bool storeEncrypted = false;
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bool storeDecrypted = false;
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bool storeWad = false;
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fireProgress(0);
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foreach (StoreType st in storeTypes)
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{
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switch (st)
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{
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case StoreType.DecryptedContent:
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fireDebug(" [=] Storing Decrypted Content...");
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storeDecrypted = true;
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break;
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case StoreType.EncryptedContent:
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fireDebug(" [=] Storing Encrypted Content...");
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storeEncrypted = true;
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break;
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case StoreType.WAD:
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fireDebug(" [=] Storing WAD...");
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storeWad = true;
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break;
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case StoreType.All:
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fireDebug(" [=] Storing Decrypted Content...");
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fireDebug(" [=] Storing Encrypted Content...");
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fireDebug(" [=] Storing WAD...");
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storeDecrypted = true;
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storeEncrypted = true;
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storeWad = true;
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break;
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case StoreType.Empty:
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break;
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}
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}
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/*
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fireDebug(" - Checking for Internet connection...");
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if (!CheckInet())
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{ fireDebug(" + Connection not found..."); throw new Exception("You're not connected to the internet!"); }
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*/
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if (!Directory.Exists(outputDir)) Directory.CreateDirectory(outputDir);
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if (!Directory.Exists(Path.Combine(outputDir, titleId))) Directory.CreateDirectory(Path.Combine(outputDir, titleId));
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outputDir = Path.Combine(outputDir, titleId);
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string tmdFile = "tmd" + (string.IsNullOrEmpty(titleVersion) ? string.Empty : string.Format(".{0}", titleVersion));
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//Download TMD
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fireDebug(" - Downloading TMD...");
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TMD tmd;
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byte[] tmdFileWithCerts;
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try
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{
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tmdFileWithCerts = wcNus.DownloadData(titleUrl + tmdFile);
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tmd = TMD.Load(tmdFileWithCerts);
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}
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catch (Exception ex) { fireDebug(" + Downloading TMD Failed..."); throw new Exception("Downloading TMD Failed:\n" + ex.Message); }
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//Parse TMD
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fireDebug(" - Parsing TMD...");
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if (string.IsNullOrEmpty(titleVersion)) { fireDebug(" + Title Version: {0}", tmd.TitleVersion); }
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fireDebug(" + {0} Contents", tmd.NumOfContents);
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if (!Directory.Exists(Path.Combine(outputDir, tmd.TitleVersion.ToString()))) Directory.CreateDirectory(Path.Combine(outputDir, tmd.TitleVersion.ToString()));
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outputDir = Path.Combine(outputDir, tmd.TitleVersion.ToString());
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this.titleversion = tmd.TitleVersion;
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File.WriteAllBytes(Path.Combine(outputDir, tmdFile), tmd.ToByteArray());
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fireProgress(5);
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//Download cetk
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fireDebug(" - Downloading Ticket...");
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try
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{
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wcNus.DownloadFile(Path.Combine(titleUrl, "cetk"), Path.Combine(outputDir, "cetk"));
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}
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catch (Exception ex)
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{
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if (!continueWithoutTicket || !storeEncrypted)
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{
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fireDebug(" + Downloading Ticket Failed...");
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throw new Exception("Downloading Ticket Failed:\n" + ex.Message);
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}
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if (!(File.Exists(Path.Combine(outputDir, "cetk"))))
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{
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storeDecrypted = false;
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storeWad = false;
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}
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}
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fireProgress(10);
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// Parse Ticket
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Ticket tik = new Ticket();
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if (File.Exists(Path.Combine(outputDir, "cetk")))
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{
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fireDebug(" + Parsing Ticket...");
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tik = Ticket.Load(Path.Combine(outputDir, "cetk"));
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// DSi ticket? Must make sure to use DSi Key :D
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if (nusUrl == DSI_NUS_URL)
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tik.DSiTicket = true;
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}
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else
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{
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fireDebug(" + Ticket Unavailable...");
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}
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string[] encryptedContents = new string[tmd.NumOfContents];
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//Download Content
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for (int i = 0; i < tmd.NumOfContents; i++)
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{
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fireDebug(" - Downloading Content #{0} of {1}... ({2} bytes)", i + 1, tmd.NumOfContents, tmd.Contents[i].Size);
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fireProgress(((i + 1) * 60 / tmd.NumOfContents) + 10);
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if (useLocalFiles && File.Exists(Path.Combine(outputDir, tmd.Contents[i].ContentID.ToString("x8"))))
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{ fireDebug(" + Using Local File, Skipping..."); continue; }
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try
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{
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wcNus.DownloadFile(titleUrl + tmd.Contents[i].ContentID.ToString("x8"),
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Path.Combine(outputDir, tmd.Contents[i].ContentID.ToString("x8")));
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encryptedContents[i] = tmd.Contents[i].ContentID.ToString("x8");
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}
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catch (Exception ex) { fireDebug(" - Downloading Content #{0} of {1} failed...", i + 1, tmd.NumOfContents); throw new Exception("Downloading Content Failed:\n" + ex.Message); }
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}
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//Decrypt Content
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if (storeDecrypted || storeWad)
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{
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SHA1 s = SHA1.Create();
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for (int i = 0; i < tmd.NumOfContents; i++)
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{
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fireDebug(" - Decrypting Content #{0} of {1}...", i + 1, tmd.NumOfContents);
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fireProgress(((i + 1) * 20 / tmd.NumOfContents) + 75);
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//Decrypt Content
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byte[] decryptedContent =
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decryptContent(File.ReadAllBytes(Path.Combine(outputDir, tmd.Contents[i].ContentID.ToString("x8"))), i, tik, tmd);
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Array.Resize(ref decryptedContent, (int)tmd.Contents[i].Size);
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//Check SHA1
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byte[] newSha = s.ComputeHash(decryptedContent);
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if (!Shared.CompareByteArrays(newSha, tmd.Contents[i].Hash))
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{
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fireDebug(@" + Hashes do not match! (Invalid Output)");
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//throw new Exception(string.Format("Content #{0}: Hashes do not match!", i));
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}
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//Write Decrypted Content
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File.WriteAllBytes(Path.Combine(outputDir, (tmd.Contents[i].ContentID.ToString("x8") + ".app")), decryptedContent);
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}
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s.Clear();
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}
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//Pack Wad
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if (storeWad)
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{
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fireDebug(" - Building Certificate Chain...");
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CertificateChain cert = CertificateChain.FromTikTmd(Path.Combine(outputDir, "cetk"), tmdFileWithCerts);
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byte[][] contents = new byte[tmd.NumOfContents][];
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for (int i = 0; i < tmd.NumOfContents; i++)
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contents[i] = File.ReadAllBytes(Path.Combine(outputDir, (tmd.Contents[i].ContentID.ToString("x8") + ".app")));
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fireDebug(" - Creating WAD...");
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WAD wad = WAD.Create(cert, tik, tmd, contents);
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wad.RemoveFooter();
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wadName = wadName.Replace("[v]", "v" + this.TitleVersion.ToString()); // fix by madri2
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if (Path.DirectorySeparatorChar.ToString() != "/" && Path.AltDirectorySeparatorChar.ToString() != "/")
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wadName = wadName.Replace("/", "");
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if (wadName.Contains(Path.DirectorySeparatorChar.ToString()) || wadName.Contains(Path.AltDirectorySeparatorChar.ToString()))
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wad.Save(wadName);
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else
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wad.Save(Path.Combine(outputDir, wadName));
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}
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//Delete not wanted files
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if (!storeEncrypted)
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{
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fireDebug(" - Deleting Encrypted Contents...");
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for (int i = 0; i < encryptedContents.Length; i++)
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if (File.Exists(Path.Combine(outputDir, encryptedContents[i]))) File.Delete(Path.Combine(outputDir, encryptedContents[i]));
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}
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if (storeWad && !storeDecrypted)
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{
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fireDebug(" - Deleting Decrypted Contents...");
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for (int i = 0; i < encryptedContents.Length; i++)
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if (File.Exists(Path.Combine(outputDir, (encryptedContents[i] + ".app")))) File.Delete(Path.Combine(outputDir, (encryptedContents[i] + ".app")));
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}
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if (!storeDecrypted && !storeEncrypted)
|
|
{
|
|
fireDebug(" - Deleting TMD and Ticket...");
|
|
File.Delete(Path.Combine(outputDir, tmdFile));
|
|
File.Delete(Path.Combine(outputDir, "cetk"));
|
|
}
|
|
|
|
fireDebug("Downloading Title {0} v{1} Finished...", titleId, tmd.TitleVersion /*(string.IsNullOrEmpty(titleVersion)) ? "[Latest]" : titleVersion*/);
|
|
fireProgress(100);
|
|
}
|
|
|
|
private byte[] decryptContent(byte[] content, int contentIndex, Ticket tik, TMD tmd)
|
|
{
|
|
Array.Resize(ref content, Shared.AddPadding(content.Length, 16));
|
|
byte[] titleKey = tik.TitleKey;
|
|
byte[] iv = new byte[16];
|
|
|
|
byte[] tmp = BitConverter.GetBytes(tmd.Contents[contentIndex].Index);
|
|
iv[0] = tmp[1];
|
|
iv[1] = tmp[0];
|
|
|
|
RijndaelManaged rm = new RijndaelManaged();
|
|
rm.Mode = CipherMode.CBC;
|
|
rm.Padding = PaddingMode.None;
|
|
rm.KeySize = 128;
|
|
rm.BlockSize = 128;
|
|
rm.Key = titleKey;
|
|
rm.IV = iv;
|
|
|
|
ICryptoTransform decryptor = rm.CreateDecryptor();
|
|
|
|
MemoryStream ms = new MemoryStream(content);
|
|
CryptoStream cs = new CryptoStream(ms, decryptor, CryptoStreamMode.Read);
|
|
|
|
byte[] decCont = new byte[content.Length];
|
|
cs.Read(decCont, 0, decCont.Length);
|
|
|
|
cs.Dispose();
|
|
ms.Dispose();
|
|
|
|
return decCont;
|
|
}
|
|
|
|
private bool CheckInet()
|
|
{
|
|
try
|
|
{
|
|
System.Net.IPHostEntry ipHost = System.Net.Dns.GetHostEntry("www.google.com");
|
|
return true;
|
|
}
|
|
catch { return false; }
|
|
}
|
|
#endregion
|
|
|
|
#region Events
|
|
/// <summary>
|
|
/// Fires the Progress of various operations
|
|
/// </summary>
|
|
public event EventHandler<ProgressChangedEventArgs> Progress;
|
|
/// <summary>
|
|
/// Fires debugging messages. You may write them into a log file or log textbox.
|
|
/// </summary>
|
|
public event EventHandler<MessageEventArgs> Debug;
|
|
|
|
private void fireDebug(string debugMessage, params object[] args)
|
|
{
|
|
EventHandler<MessageEventArgs> debug = Debug;
|
|
if (debug != null)
|
|
debug(new object(), new MessageEventArgs(string.Format(debugMessage, args)));
|
|
}
|
|
|
|
private void fireProgress(int progressPercentage)
|
|
{
|
|
EventHandler<ProgressChangedEventArgs> progress = Progress;
|
|
if (progress != null)
|
|
progress(new object(), new ProgressChangedEventArgs(progressPercentage, string.Empty));
|
|
}
|
|
#endregion
|
|
}
|
|
}
|