//Створення папки вручну
protected DirElement(DirElement parent, SafeStreamAccess dataFileStream, string Name, Object addElementLocker, Object changeElementsLocker, Bitmap Icon = null,
SafeStreamAccess.ProgressCallback Progress = null) : this(addElementLocker, changeElementsLocker)
{
lock (_addElementLocker)
{
lock (dataFileStream.writeLock)
{
header = new Header(parent.header.headersFileStream, parent.header.AES, ElementType.Dir);
this.dataFileStream = dataFileStream;
byte[] icon = GetIconBytes(Icon);
UInt32 iconSize = icon == null ? 0 : (UInt32)icon.Length;
UInt64 iconStartPos = dataFileStream.GetFreeSpaceStartPos(Crypto.GetMod16(iconSize)); //Вибираємо місце куди писати іконку
AesCryptoServiceProvider AES = GetFileAES(_IconIV);
if ((icon != null) && (iconSize > 0))
{
dataFileStream.WriteEncrypt((long)iconStartPos, icon, AES);
}
_Name = Name;
_ID = GenID();
_ParentID = parent.ID;
_IconStartPos = iconStartPos;
_IconSize = iconSize;
_PHash = GetPHash(Icon);
Parent = parent;
SaveInf();
}
}
}
public override void SaveAs(string FullName, SafeStreamAccess.ProgressCallback Progress = null, Func <string, string> GetFileName = null)
{
Directory.CreateDirectory(Path.GetDirectoryName(FullName));
using (FileStream stream = new FileStream(FullName, FileMode.Create, FileAccess.Write, FileShare.Read))
{
SaveTo(stream, Progress);
}
}
public override void SaveTo(string PathToSave, SafeStreamAccess.ProgressCallback Progress = null)
{
Directory.CreateDirectory(PathToSave);
using (FileStream stream = new FileStream(PathToSave + '\\' + _Name, FileMode.Create, FileAccess.Write, FileShare.Read))
{
SaveTo(stream, Progress);
}
}
public void SaveTo(Stream stream, SafeStreamAccess.ProgressCallback Progress = null)
{
if (_FileSize == 0)
{
return;
}
AesCryptoServiceProvider AES = GetFileAES(_FileIV);
//dataFileStream.ReadDecrypt((long)_FileStartPos, stream, (long)_FileSize, AES, Progress);
dataFileStream.MultithreadDecrypt((long)_FileStartPos, stream, (long)_FileSize, AES, Progress);
AES.Dispose();
}
public void ChangeContent(Stream NewData, SafeStreamAccess.ProgressCallback Progress = null)
{
lock (_addElementLocker)
{
UInt64 fileSize = (UInt64)NewData.Length;
UInt64 fileStartPos = _FileStartPos;
if (fileSize >= Crypto.GetMod16(_FileSize))
{
fileStartPos = dataFileStream.GetFreeSpaceStartPos(Crypto.GetMod16(fileSize)); //Вибираємо місце куди писати файл
}
byte[] tempHash;
try
{
if (fileSize > 0)
{
AesCryptoServiceProvider AES = GetFileAES(_FileIV);
dataFileStream.WriteEncrypt((long)fileStartPos, NewData, AES, out tempHash, Progress);
}
else
{
tempHash = new byte[16];
CryptoRandom.GetBytes(tempHash);
}
}
catch
{
throw new DataWasNotWrittenException("Файл не записався.");
}
try
{
_FileStartPos = fileStartPos;
_FileSize = fileSize;
_Hash = tempHash;
SaveInf();
}
catch
{
throw new HeaderWasNotWrittenException("Інформація про зміни не записалась!");
}
}
}
private void ExportDir(string destPath, string Name = "", SafeStreamAccess.ProgressCallback Progress = null, Func <string, string> GetFileName = null)
{
bool randomNames = (GetFileName != null);
string tempName = Name == "" ? _Name : Name;
Directory.CreateDirectory(destPath + '\\' + tempName);
Element[] elementList;
lock (_changeElementsLocker)
{
elementList = new Element[_Elements.Count];
_Elements.CopyTo(elementList);
}
foreach (var element in elementList)
{
if (element is DirElement)
{
if (randomNames)
{
(element as DirElement).ExportDir(destPath + '\\' + tempName, GetFileName(Path.GetExtension(element.Name)), Progress: Progress, GetFileName: GetFileName);
}
else
{
(element as DirElement).ExportDir(destPath + '\\' + tempName, Progress: Progress);
}
}
else
{
if (randomNames)
{
element.SaveAs(destPath + '\\' + tempName + "\\" + GetFileName(Path.GetExtension(element.Name)), Progress);
}
else
{
element.SaveTo(destPath + '\\' + tempName, Progress);
}
}
}
elementList = null;
}
public Element AddFile(string sourceFileName, string destFileName, bool compressFile = false, Bitmap Icon = null, SafeStreamAccess.ProgressCallback Progress = null)
{
try
{
using (FileStream f = new FileStream(sourceFileName, FileMode.Open, FileAccess.Read, FileShare.Read))
{
return(AddFile(f, destFileName, compressFile, Icon, Progress, true));
}
}
catch
{
return(null);
}
}
public FileElement AddFile(Stream stream, string destFileName, bool compressFile = false, Bitmap Icon = null, SafeStreamAccess.ProgressCallback Progress = null)
{
return(AddFile(stream, destFileName, compressFile, Icon, Progress, true));
}
private FileElement AddFile(Stream stream, string destFileName, bool compressFile = false, Bitmap Icon = null, SafeStreamAccess.ProgressCallback Progress = null, bool isPrivate = true)
{
lock (_changeElementsLocker)
{
if (FindByName(_Elements, destFileName) != null)
{
throw new DuplicatesFileNameException("Файл або папка з таким ім’ям вже є.");
}
}
FileElement file;
try
{
file = new FileElement(this, header, dataFileStream, destFileName, stream, compressFile, _addElementLocker, _changeElementsLocker, Icon, Progress);
}
catch
{
throw new DataWasNotWrittenException("Файл або іконка не записались.");
}
return(file);
}
public override void SaveAs(string FullName, SafeStreamAccess.ProgressCallback Progress = null, Func <string, string> GetFileName = null)
{
ExportDir(Path.GetDirectoryName(FullName), Path.GetFileName(FullName), Progress: Progress, GetFileName: GetFileName);
}
public override void SaveTo(string PathToSave, SafeStreamAccess.ProgressCallback Progress = null)
{
ExportDir(PathToSave, Progress: Progress);
}
public abstract void SaveAs(string FullName, SafeStreamAccess.ProgressCallback Progress = null, Func <string, string> GetFileName = null);
//protected abstract void ChangeParent(DirElement NewParent);
public abstract void SaveTo(string PathToSave, SafeStreamAccess.ProgressCallback Progress = null);
//Створення файлу вручну
public FileElement(DirElement parent, Header parentHeader, SafeStreamAccess dataFileStream, string Name, Stream fileStream, bool isCompressed,
Object addElementLocker, Object changeElementsLocker, Bitmap Icon = null, SafeStreamAccess.ProgressCallback Progress = null) : base(addElementLocker, changeElementsLocker)
{
lock (_addElementLocker)
{
UInt64 fileSize = (UInt64)fileStream.Length;
byte[] icon = GetIconBytes(Icon);
UInt32 iconSize = icon == null ? 0 : (UInt32)icon.Length;
UInt64 fileStartPos = dataFileStream.GetFreeSpaceStartPos(Crypto.GetMod16(fileSize)); //Вибираємо місце куди писати файл
UInt64 iconStartPos = dataFileStream.GetFreeSpaceStartPos(Crypto.GetMod16(iconSize)); //Вибираємо місце куди писати іконку
iconStartPos = (iconStartPos == fileStartPos) ? iconStartPos += Crypto.GetMod16(fileSize) : iconStartPos;
lock (dataFileStream.writeLock)
{
header = new Header(parentHeader.headersFileStream, parentHeader.AES, ElementType.File);
this.dataFileStream = dataFileStream;
_Name = Name;
_ParentID = parent.ID;
_FileStartPos = fileStartPos;
_FileSize = fileSize;
_IconStartPos = iconStartPos;
_IconSize = iconSize;
_IsCompressed = isCompressed;
_Hash = new byte[16];
CryptoRandom.GetBytes(_Hash);
_PHash = GetPHash(Icon);
SaveInf();
_Exists = false;
}
AesCryptoServiceProvider AES = GetFileAES(_FileIV);
if (fileSize > 0)
{
dataFileStream.WriteEncrypt((long)fileStartPos, fileStream, AES, out _Hash, Progress);
}
if ((icon != null) && (iconSize > 0))
{
AES.IV = _IconIV;
dataFileStream.WriteEncrypt((long)iconStartPos, icon, AES);
}
//Закидаємо файл в потрібну папку і записуємо зміни
_Exists = true;
ChangeParent(parent, true);
}
}