public static string GetMD5Code(string filePath)
{
FileStream stream = null;
try
{
stream = File.OpenRead(filePath);
}
catch
{
try
{
stream.Close();
stream.Dispose();
}
catch { }
return(Consts.EmptyFileMD5);
}
if (stream.Length == 0)
{
stream.Close();
stream.Dispose();
return(Consts.EmptyFileMD5);
}
byte[] data = new byte[10240];
long size = stream.Length;
int sizetoread;
MD5Hash md5 = new MD5Hash();
md5.InitNewHash();
while (size != 0)
{
sizetoread = size > 10240 ? 10240 : (int)size;
stream.Read(data, 0, sizetoread);
//data = reader.ReadBytes((int)sizetoread);
size -= sizetoread;
if (size == 0)
{
md5.UpdateHash(data, sizetoread, true);
}
else
{
md5.UpdateHash(data, sizetoread, false);
}
}
stream.Close();
stream.Dispose();
md5.FinalizeHash();
return(MD5Hash.FormatHash(md5.GetFinalHash(), 0, 0, 0, 1));//0��ָ0�зָ0�ظ����ٴΣ�1��д���(0Сд)myxbing
}
public static string GetMD5Code(Stream stream)
{
if (stream == null || stream.Length == 0)
{
return(Consts.EmptyFileMD5);
}
//return Guid.NewGuid().ToString();
//next should be rebuilder.
//BinaryReader reader = new BinaryReader(stream);
long oldPosition = stream.Position;
stream.Position = 0;
byte[] data = new byte[10240];
long size = stream.Length;
int sizetoread;
MD5Hash md5 = new MD5Hash();
md5.InitNewHash();
while (size != 0)
{
sizetoread = size > 10240 ? 10240 : (int)size;
stream.Read(data, 0, sizetoread);
//data = reader.ReadBytes((int)sizetoread);
size -= sizetoread;
if (size == 0)
{
md5.UpdateHash(data, sizetoread, true);
}
else
{
md5.UpdateHash(data, sizetoread, false);
}
}
md5.FinalizeHash();
stream.Position = oldPosition;
//reader.Close();
//stream.Close();���ܹرգ���������
return(MD5Hash.FormatHash(md5.GetFinalHash(), 0, 0, 0, 1));//0��ָ0�зָ0�ظ����ٴΣ�1��д���(0Сд)myxbing
}
//public static void TryCreateFileAndIcon(string fullPath, Stream fileStream, int iconID)
//{
////TODO:
// if (fullPath.EndsWith(".exe", StringComparison.OrdinalIgnoreCase))
// {
// string tempPath = Bbs3Globals.TempPath + "\\" + Guid.NewGuid().ToString("N") + ".exe";
// CreateFile(tempPath, fileStream);
// TryCreateIcon(fullPath, iconID);
// File.Move(tempPath, fullPath);
// }
// else
// {
// if (!File.Exists(fullPath))
// CreateFile(fullPath, fileStream);
// }
//}
//public static void TryCreateFileAndIcon(string fullPath, Stream fileStream, Guid iconID, bool alwaysCreateIcon)
//{
// string iconPath = Bbs3Globals.DiskFilesPath + "\\icons\\" + iconID + ".gif";
// bool fileExists = File.Exists(fullPath);
// bool iconExists = File.Exists(iconPath);
// if (fileExists && iconExists)
// {
// fileStream.Close();
// fileStream.Dispose();
// return;
// }
// //�������exe�ļ�
// if (!fullPath.EndsWith(".exe", StringComparison.OrdinalIgnoreCase))
// {
// if (alwaysCreateIcon)
// {
// //������ʱ��exe�ļ�
// string tempPath = Globals.GetPath(SystemDirecotry.Temp) + "\\icontemp-" + Guid.NewGuid().ToString("N") + ".exe";
// CreateFile(tempPath, fileStream);
// //����ʱ��exe�ļ�����icon
// TryCreateExeFileIcon(tempPath, iconID);
// //�Ѵ�����ͼ����ļ��ƶ�������Ŀ¼
// if (!fileExists)
// File.Move(tempPath, fullPath);
// }
// else
// CreateFile(fullPath, fileStream);
// }
// else
// {
// if (!fileExists)
// CreateFile(fullPath, fileStream);
// }
//}
/*
* /// <summary>
* /// ���Դ�EXE�ļ���ȡ������EXE��ͼ��
* /// </summary>
* /// <param name="exeFilepath"></param>
* /// <param name="iconID"></param>
* public static void TryCreateExeFileIcon(string exeFilepath, Guid iconID)
* {
* TryCreateExeFileIcon(exeFilepath, iconID, true, true);
* }
* public static void TryCreateExeFileIcon(string exeFilepath, Guid iconID, bool createSmallIcon, bool createBigIcon)
* {
* string iconPath = null;
* if (createSmallIcon)
* iconPath = Bbs3Globals.DiskFilesPath + "\\icons\\" + iconID + ".gif";
* string largeIconPath = null;
* if (createBigIcon)
* largeIconPath = Bbs3Globals.DiskFilesPath + "\\icons\\big\\" + iconID + ".gif";
*
* TryCreateExeFileIcon(exeFilepath, iconPath, largeIconPath);
* /*
* //�������exe��
* if (!exeFilepath.EndsWith(".exe", StringComparison.OrdinalIgnoreCase))
* return;
*
* string iconPath = Bbs3Globals.DiskFilesPath + "\\icons\\" + iconID + ".gif";
* string largeIconPath = Bbs3Globals.DiskFilesPath + "\\icons\\big\\" + iconID + ".gif";
*
* if (File.Exists(iconPath) && File.Exists(largeIconPath))
* {
* return;
* }
*
#region ��������ڸ�Сͼ��,����ȡ����
* if (!File.Exists(iconPath))
* {
* Icon icon = zzbird.Common.Disk.IconManager.GetIcon(exeFilepath);
* if (icon != null)
* {
* using (Bitmap map = icon.ToBitmap())
* {
* string directory = Bbs3Globals.DiskFilesPath + "\\icons";
* if (!Directory.Exists(directory))
* {
* Directory.CreateDirectory(directory);
* }
* map.Save(iconPath);
* }
* }
* }
#endregion
*
#region ��������ڸô�ͼ��,����ȡ����
* if (!File.Exists(largeIconPath))
* {
* Icon icon = zzbird.Common.Disk.IconManager.GetIcon(exeFilepath, zzbird.Common.Disk.IconManager.GetFileInfoFlags.SHGFI_LARGEICON);
* if (icon != null)
* {
* using (Bitmap map = icon.ToBitmap())
* {
* string directory = Bbs3Globals.DiskFilesPath + "\\icons\\big";
* if (!Directory.Exists(directory))
* {
* Directory.CreateDirectory(directory);
* }
* map.Save(largeIconPath);
* }
* }
* }
#endregion
* }
*/
/*
* public static void TryCreateExeFileIcon(string exeFilepath, string smallSavePath, string bigSavePath)
* { //�������exe��
* if (!exeFilepath.EndsWith(".exe", StringComparison.OrdinalIgnoreCase))
* return;
*
* //string iconPath = savePath +"\\"+iconName+".gif";//Bbs3Globals.DiskFilesPath + "\\icons\\" + iconID + ".gif";
* //string largeIconPath = //Bbs3Globals.DiskFilesPath + "\\icons\\big\\" + iconID + ".gif";
*
* if (!string.IsNullOrEmpty(smallSavePath))
* {
* smallSavePath = smallSavePath.Replace("/", "\\");
* if (File.Exists(smallSavePath))
* {
* return;
* }
*
#region ��������ڸ�Сͼ��,����ȡ����
* if (!File.Exists(smallSavePath))
* {
* Icon icon = zzbird.Common.Disk.IconManager.GetIcon(exeFilepath);
* if (icon != null)
* {
* using (Bitmap map = icon.ToBitmap())
* {
* string directory = Path.GetDirectoryName(smallSavePath);//smallSavePath.Substring(0,smallSavePath.LastIndexOf("\\")); //Bbs3Globals.DiskFilesPath + "\\icons";
* if (!Directory.Exists(directory))
* {
* Directory.CreateDirectory(directory);
* }
* map.Save(smallSavePath);
* }
* }
* }
#endregion
* }
*
* if (!string.IsNullOrEmpty(bigSavePath))
* {
* bigSavePath = bigSavePath.Replace("/", "\\");
* if (File.Exists(bigSavePath))
* {
* return;
* }
#region ��������ڸô�ͼ��,����ȡ����
* if (!File.Exists(bigSavePath))
* {
* Icon icon = zzbird.Common.Disk.IconManager.GetIcon(exeFilepath, zzbird.Common.Disk.IconManager.GetFileInfoFlags.SHGFI_LARGEICON);
* if (icon != null)
* {
* using (Bitmap map = icon.ToBitmap())
* {
* string directory = Path.GetDirectoryName(bigSavePath);//bigSavePath.Substring(0, smallSavePath.LastIndexOf("\\"));
* if (!Directory.Exists(directory))
* {
* Directory.CreateDirectory(directory);
* }
* map.Save(bigSavePath);
* }
* }
* }
#endregion
* }
* }
*/
public static string CreateFileAndGetMD5Code(string path, Stream stream, out long length)
{
string dir = Path.GetDirectoryName(path);
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
FileStream fs = new FileStream(path, FileMode.Create);
//long oldPosition = stream.Position;
//stream.Position = 0;
byte[] data = new byte[10240];
long size = stream.Length;
length = size;
int sizetoread;
MD5Hash md5 = null;;
if (length != 0)
{
md5 = new MD5Hash();
md5.InitNewHash();
}
while (size != 0)
{
sizetoread = size > 10240 ? 10240 : (int)size;
//try
//{
stream.Read(data, 0, sizetoread);
//}
//catch (Exception e)
//{
//}
size -= sizetoread;
if (size == 0)
{
md5.UpdateHash(data, sizetoread, true);
}
else
{
md5.UpdateHash(data, sizetoread, false);
}
fs.Write(data, 0, sizetoread);
}
fs.Close();
fs.Dispose();
if (length == 0)
{
return(Consts.EmptyFileMD5);
}
else
{
md5.FinalizeHash();
return(MD5Hash.FormatHash(md5.GetFinalHash(), 0, 0, 0, 1));
}
}
