-
Notifications
You must be signed in to change notification settings - Fork 10
/
TaskLogic.cs
262 lines (223 loc) · 9.22 KB
/
TaskLogic.cs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
using System;
using System.IO;
using System.Linq;
using System.Threading;
using LibHac;
using LibHac.Fs;
using nsZip.LibHacControl;
using nsZip.LibHacExtensions;
namespace nsZip
{
class TaskLogic
{
Output Out;
int BlockSize = 262144;
int ZstdLevel = 18;
int MaxDegreeOfParallelism = 0;
string OutputFolderPath;
string decryptedDir;
string encryptedDir;
string compressedDir;
bool VerifyHashes = true;
public TaskLogic(string OutputFolderPathArg, string TempFolderPathArg, bool VerifyHashesArg, int bs, int lv, Output OutArg)
: this(OutputFolderPathArg, TempFolderPathArg, VerifyHashesArg, bs, lv, 0, OutArg)
{
}
public TaskLogic(string OutputFolderPathArg, string TempFolderPathArg, bool VerifyHashesArg, int bs, int lv, int mt, Output OutArg)
{
OutputFolderPath = OutputFolderPathArg;
if (!Directory.Exists(OutputFolderPath))
{
Directory.CreateDirectory(OutputFolderPath);
}
decryptedDir = Path.Combine(TempFolderPathArg, "decrypted");
encryptedDir = Path.Combine(TempFolderPathArg, "encrypted");
compressedDir = Path.Combine(TempFolderPathArg, "compressed");
BlockSize = bs;
ZstdLevel = lv;
MaxDegreeOfParallelism = mt;
VerifyHashes = VerifyHashesArg;
Out = OutArg;
}
public bool checkIfAlreadyExist(string inFile)
{
var infileLowerCase = inFile.ToLower();
var inFileNoExtension = Path.GetFileNameWithoutExtension(inFile);
if (infileLowerCase.EndsWith("nsp") && File.Exists($"{Path.Combine(OutputFolderPath, inFileNoExtension)}.nspz"))
{
Out.Event($"Task CompressNSP \"{inFileNoExtension}.nspz\" skipped as it already exists in the output directory\r\n");
return true;
}
if (infileLowerCase.EndsWith("xci") && File.Exists($"{Path.Combine(OutputFolderPath, inFileNoExtension)}.xciz"))
{
Out.Event($"Task CompressXCI \"{inFileNoExtension}.xciz\" skipped as it already exists in the output directory\r\n");
return true;
}
if (infileLowerCase.EndsWith("nspz") && File.Exists($"{Path.Combine(OutputFolderPath, inFileNoExtension)}.nsp"))
{
Out.Event($"Task DecompressNSPZ \"{inFileNoExtension}.nsp\" skipped as it already exists in the output directory\r\n");
return true;
}
if (infileLowerCase.EndsWith("xciz") && File.Exists($"{Path.Combine(OutputFolderPath, inFileNoExtension)}.xci"))
{
Out.Event($"Task DecompressXCIZ \"{inFileNoExtension}.xci\" skipped as it already exists in the output directory\r\n");
return true;
}
return false;
}
public void cleanFolder(string folderName)
{
Thread.Sleep(50); //Wait for files to be closed!
if (Directory.Exists(folderName))
{
Directory.Delete(folderName, true);
}
Thread.Sleep(50); //Wait for folder deletion!
Directory.CreateDirectory(folderName);
}
public void cleanFolders()
{
cleanFolder(decryptedDir);
cleanFolder(encryptedDir);
cleanFolder(compressedDir);
}
public void VerifyCompressedFolder(string nspFile)
{
var nspFileNoExtension = Path.GetFileNameWithoutExtension(nspFile);
Out.Event($"Task VerifyCompressedFolder \"{nspFileNoExtension}\" started\r\n");
var keyset = ProcessKeyset.OpenKeyset();
using (var inputFile = new FileStream(nspFile, FileMode.Open, FileAccess.Read))
using (var inputFileStorage = inputFile.AsStorage())
{
var pfs = new PartitionFileSystem(inputFileStorage);
ProcessNsp.GetTitlekey(pfs, keyset, Out);
var dirDecryptedReal = new DirectoryInfo(decryptedDir);
var dirDecryptedRealCount = dirDecryptedReal.GetFiles().Length;
cleanFolder(decryptedDir);
var compressedFs = new LocalFileSystem(compressedDir);
var decryptedFs = new LocalFileSystem(decryptedDir);
DecompressFs.ProcessFs(compressedFs, decryptedFs, Out);
UntrimDeltaNCA.Process(decryptedDir, pfs, keyset, Out);
EncryptNCA.Encrypt(decryptedFs, null, true, keyset, Out);
}
Out.Event($"Task VerifyCompressedFolder \"{nspFileNoExtension}\" completed!\r\n");
}
public void CompressNSP(string nspFile)
{
var nspFileNoExtension = Path.GetFileNameWithoutExtension(nspFile);
Out.Event($"Task CompressNSP \"{nspFileNoExtension}\" started\r\n");
var keyset = ProcessKeyset.OpenKeyset();
using (var inputFile = new FileStream(nspFile, FileMode.Open, FileAccess.Read))
using (var inputFileStorage = inputFile.AsStorage())
{
var pfs = new PartitionFileSystem(inputFileStorage);
ProcessNsp.Decrypt(pfs, decryptedDir, VerifyHashes, keyset, Out);
TrimDeltaNCA.Process(decryptedDir, keyset, Out);
CompressFolder.Compress(Out, decryptedDir, compressedDir, BlockSize, ZstdLevel, MaxDegreeOfParallelism);
if (VerifyHashes)
{
var dirDecryptedReal = new DirectoryInfo(decryptedDir);
var dirDecryptedRealCount = dirDecryptedReal.GetFiles().Length;
cleanFolder(decryptedDir);
var compressedFs = new LocalFileSystem(compressedDir);
var decryptedFs = new LocalFileSystem(decryptedDir);
DecompressFs.ProcessFs(compressedFs, decryptedFs, Out);
UntrimDeltaNCA.Process(decryptedDir, pfs, keyset, Out);
var dirDecrypted = new DirectoryInfo(decryptedDir);
var dirDecryptedCount = dirDecrypted.GetFiles().Length;
if (dirDecryptedRealCount != dirDecryptedCount)
{
throw new FileNotFoundException();
}
EncryptNCA.Encrypt(compressedFs, null, true, keyset, Out);
}
}
var compressedDirFs = new LocalFileSystem(compressedDir);
var OutputFolderPathFs = new LocalFileSystem(OutputFolderPath);
using (var outFile =
FolderTools.CreateOrOverwriteFileOpen(OutputFolderPathFs, $"{nspFileNoExtension}.nspz"))
{
FolderTools.FolderToNSP(compressedDirFs, outFile);
}
Out.Event($"Task CompressNSP \"{nspFileNoExtension}\" completed!\r\n");
}
public void CompressXCI(string xciFile)
{
var xciFileNoExtension = Path.GetFileNameWithoutExtension(xciFile);
Out.Event($"Task CompressXCI \"{xciFileNoExtension}\" started\r\n");
var keyset = ProcessKeyset.OpenKeyset();
ProcessXci.Decrypt(xciFile, decryptedDir, VerifyHashes, keyset, Out);
CompressFolder.Compress(Out, decryptedDir, compressedDir, BlockSize, ZstdLevel, MaxDegreeOfParallelism);
if (VerifyHashes)
{
var decryptedFs = new LocalFileSystem(decryptedDir);
var dirDecryptedRealCount = decryptedFs.GetEntryCount(OpenDirectoryMode.Files);
cleanFolder(decryptedDir);
var compressedFs = new LocalFileSystem(compressedDir);
DecompressFs.ProcessFs(compressedFs, decryptedFs, Out);
var dirDecryptedCount = decryptedFs.GetEntryCount(OpenDirectoryMode.Files);
if (dirDecryptedRealCount != dirDecryptedCount)
{
throw new FileNotFoundException();
}
EncryptNCA.Encrypt(decryptedFs, null, true, keyset, Out);
}
var compressedDirFs = new LocalFileSystem(compressedDir);
var xciOutPath = Path.Combine(OutputFolderPath, xciFileNoExtension);
FolderTools.FolderToXCI(compressedDirFs, $"{xciOutPath}.xciz", keyset);
Out.Event($"Task CompressXCI \"{xciFileNoExtension}\" completed!\r\n");
}
public void DecompressNSPZ(string nspzFile)
{
var nspzFileNoExtension = Path.GetFileNameWithoutExtension(nspzFile);
Out.Event($"Task DecompressNSPZ \"{nspzFileNoExtension}\" started\r\n");
var keyset = ProcessKeyset.OpenKeyset();
ProcessNsp.Decompress(nspzFile, decryptedDir, Out);
UntrimAndEncrypt(keyset);
var nspOutPath = Path.Combine(OutputFolderPath, nspzFileNoExtension);
var encryptedDirFs = new LocalFileSystem(encryptedDir);
var OutputFolderPathFs = new LocalFileSystem(OutputFolderPath);
using (var outFile =
FolderTools.CreateOrOverwriteFileOpen(OutputFolderPathFs, $"{nspzFileNoExtension}.nsp"))
{
FolderTools.FolderToNSP(encryptedDirFs, outFile);
}
Out.Event($"Task DecompressNSPZ \"{nspzFileNoExtension}\" completed!\r\n");
}
public void DecompressXCIZ(string nspzFile)
{
var nspzFileNoExtension = Path.GetFileNameWithoutExtension(nspzFile);
Out.Event($"Task DecompressXCIZ \"{nspzFileNoExtension}\" started\r\n");
var keyset = ProcessKeyset.OpenKeyset();
ProcessNsp.Decompress(nspzFile, decryptedDir, Out);
UntrimAndEncrypt(keyset);
var nspOutPath = Path.Combine(OutputFolderPath, nspzFileNoExtension);
var encryptedDirFs = new LocalFileSystem(encryptedDir);
FolderTools.FolderToXCI(encryptedDirFs, $"{nspOutPath}.xci", keyset);
Out.Event($"Task DecompressXCIZ \"{nspzFileNoExtension}\" completed!\r\n");
}
public void UntrimAndEncrypt(Keyset keyset)
{
FolderTools.ExtractTitlekeys(decryptedDir, keyset, Out);
var decryptedFs = new LocalFileSystem(decryptedDir);
var encryptedFs = new LocalFileSystem(encryptedDir);
EncryptNCA.Encrypt(decryptedFs, encryptedFs, VerifyHashes, keyset, Out);
var dirDecrypted = new DirectoryInfo(decryptedDir);
foreach (var file in decryptedFs.EnumerateEntries()
.Where(item => item.Type == DirectoryEntryType.File && !item.Name.EndsWith(".tca")))
{
if (!file.Name.EndsWith(".nca"))
{
using (var srcFile = decryptedFs.OpenFile(file.FullPath, OpenMode.Read))
using (var destFile = FolderTools.CreateAndOpen(file, encryptedFs, file.Name, file.Size))
{
srcFile.CopyTo(destFile);
}
}
decryptedFs.DeleteFile(file.FullPath);
}
UntrimDeltaNCA.Process(decryptedDir, encryptedFs, keyset, Out);
EncryptNCA.Encrypt(decryptedFs, encryptedFs, VerifyHashes, keyset, Out);
}
}
}