/// <summary>
/// Checks if a file exists.
/// </summary>
/// <param name="path">A <see cref="String"/> representing the path to check.</param>
/// <returns>A <see cref="Boolean"/> indicating whether the file exists.</returns>
public bool FileExists(string path)
{
WINAPI.WIN32_FIND_DATA findData = new WINAPI.WIN32_FIND_DATA();
IntPtr hFindFile = WININET.FtpFindFirstFile(
_hConnect,
path,
ref findData,
WININET.INTERNET_FLAG_NO_CACHE_WRITE,
IntPtr.Zero);
try
{
if (hFindFile == IntPtr.Zero)
{
return(false);
}
return(true);
}
finally
{
if (hFindFile != IntPtr.Zero)
{
WININET.InternetCloseHandle(hFindFile);
}
}
}
public bool DirectoryExists(string path)
{
bool flag;
WINAPI.WIN32_FIND_DATA findFileData = new WINAPI.WIN32_FIND_DATA();
IntPtr hInternet = WININET.FtpFindFirstFile(_hConnect, path, ref findFileData, 0x400_0000, IntPtr.Zero);
try
{
flag = !(hInternet == IntPtr.Zero);
}
finally
{
if (hInternet != IntPtr.Zero)
{
WININET.InternetCloseHandle(hInternet);
}
}
return(flag);
}
extern public static int InternetFindNextFile(
[In] IntPtr hInternet,
[In][Out] ref WINAPI.WIN32_FIND_DATA findData);
extern public static IntPtr FtpFindFirstFile(
[In] IntPtr hConnect,
[In] string searchFile,
[In][Out] ref WINAPI.WIN32_FIND_DATA findFileData,
[In] int dwFlags,
[In] IntPtr dwContext);
/// <summary>
/// Gets details of all directories and their available FTP directory information from the current working FTP directory that match the directory mask.
/// </summary>
/// <returns>A <see cref="FtpDirectoryInfo[]"/> representing the directories in the current working directory that match the mask.</returns>
public FtpDirectoryInfo[] GetDirectories(string path)
{
WINAPI.WIN32_FIND_DATA findData = new WINAPI.WIN32_FIND_DATA();
IntPtr hFindFile = WININET.FtpFindFirstFile(
_hConnect,
path,
ref findData,
WININET.INTERNET_FLAG_NO_CACHE_WRITE,
IntPtr.Zero);
try
{
List <FtpDirectoryInfo> directories = new List <FtpDirectoryInfo>();
if (hFindFile == IntPtr.Zero)
{
if (Marshal.GetLastWin32Error() == WINAPI.ERROR_NO_MORE_FILES)
{
return(directories.ToArray());
}
else
{
Error();
return(directories.ToArray());
}
}
if ((findData.dfFileAttributes & WINAPI.FILE_ATTRIBUTE_DIRECTORY) == WINAPI.FILE_ATTRIBUTE_DIRECTORY)
{
FtpDirectoryInfo dir = new FtpDirectoryInfo(this, new string(findData.fileName).TrimEnd('\0'))
{
LastAccessTime = findData.ftLastAccessTime.ToDateTime(),
LastWriteTime = findData.ftLastWriteTime.ToDateTime(),
CreationTime = findData.ftCreationTime.ToDateTime(),
Attributes = (FileAttributes)findData.dfFileAttributes
};
directories.Add(dir);
}
findData = new WINAPI.WIN32_FIND_DATA();
while (WININET.InternetFindNextFile(hFindFile, ref findData) != 0)
{
if ((findData.dfFileAttributes & WINAPI.FILE_ATTRIBUTE_DIRECTORY) == WINAPI.FILE_ATTRIBUTE_DIRECTORY)
{
FtpDirectoryInfo dir = new FtpDirectoryInfo(this, new string(findData.fileName).TrimEnd('\0'))
{
LastAccessTime = findData.ftLastAccessTime.ToDateTime(),
LastWriteTime = findData.ftLastWriteTime.ToDateTime(),
CreationTime = findData.ftCreationTime.ToDateTime(),
Attributes = (FileAttributes)findData.dfFileAttributes
};
directories.Add(dir);
}
findData = new WINAPI.WIN32_FIND_DATA();
}
if (Marshal.GetLastWin32Error() != WINAPI.ERROR_NO_MORE_FILES)
{
Error();
}
return(directories.ToArray());
}
finally
{
if (hFindFile != IntPtr.Zero)
{
WININET.InternetCloseHandle(hFindFile);
}
}
}
private List <string> List(string mask, bool onlyDirectories)
{
WINAPI.WIN32_FIND_DATA findData = new WINAPI.WIN32_FIND_DATA();
IntPtr hFindFile = WININET.FtpFindFirstFile(
_hConnect,
mask,
ref findData,
WININET.INTERNET_FLAG_NO_CACHE_WRITE,
IntPtr.Zero);
try
{
List <string> files = new List <string>();
if (hFindFile == IntPtr.Zero)
{
if (Marshal.GetLastWin32Error() == WINAPI.ERROR_NO_MORE_FILES)
{
return(files);
}
else
{
Error();
return(files);
}
}
if (onlyDirectories && (findData.dfFileAttributes & WINAPI.FILE_ATTRIBUTE_DIRECTORY) == WINAPI.FILE_ATTRIBUTE_DIRECTORY)
{
files.Add(new string(findData.fileName).TrimEnd('\0'));
}
else if (!onlyDirectories)
{
files.Add(new string(findData.fileName).TrimEnd('\0'));
}
findData = new WINAPI.WIN32_FIND_DATA();
while (WININET.InternetFindNextFile(hFindFile, ref findData) != 0)
{
if (onlyDirectories && (findData.dfFileAttributes & WINAPI.FILE_ATTRIBUTE_DIRECTORY) == WINAPI.FILE_ATTRIBUTE_DIRECTORY)
{
files.Add(new string(findData.fileName).TrimEnd('\0'));
}
else if (!onlyDirectories)
{
files.Add(new string(findData.fileName).TrimEnd('\0'));
}
findData = new WINAPI.WIN32_FIND_DATA();
}
if (Marshal.GetLastWin32Error() != WINAPI.ERROR_NO_MORE_FILES)
{
Error();
}
return(files);
}
finally
{
if (hFindFile != IntPtr.Zero)
{
WININET.InternetCloseHandle(hFindFile);
}
}
}
public FtpFileInfo[] GetFiles(string mask)
{
FtpFileInfo[] infoArray;
WINAPI.WIN32_FIND_DATA findFileData = new();
IntPtr hInternet = WININET.FtpFindFirstFile(_hConnect, mask, ref findFileData, 0x400_0000, IntPtr.Zero);
try
{
List <FtpFileInfo> list = new();
if (hInternet == IntPtr.Zero)
{
if (Marshal.GetLastWin32Error() == 0x12)
{
infoArray = list.ToArray();
}
else
{
Error();
infoArray = list.ToArray();
}
}
else
{
if ((findFileData.dfFileAttributes & 0x10) != 0x10)
{
FtpFileInfo item = new(this, new string(findFileData.fileName).TrimEnd(new char[1]))
{
LastAccessTime = findFileData.ftLastAccessTime.ToDateTime(),
LastWriteTime = findFileData.ftLastWriteTime.ToDateTime(),
CreationTime = findFileData.ftCreationTime.ToDateTime(),
Attributes = (FileAttributes)findFileData.dfFileAttributes
};
list.Add(item);
}
findFileData = new WINAPI.WIN32_FIND_DATA();
while (true)
{
if (WININET.InternetFindNextFile(hInternet, ref findFileData) == 0)
{
if (Marshal.GetLastWin32Error() != 0x12)
{
Error();
}
infoArray = list.ToArray();
break;
}
if ((findFileData.dfFileAttributes & 0x10) != 0x10)
{
FtpFileInfo item = new(this, new string(findFileData.fileName).TrimEnd(new char[1]))
{
LastAccessTime = findFileData.ftLastAccessTime.ToDateTime(),
LastWriteTime = findFileData.ftLastWriteTime.ToDateTime(),
CreationTime = findFileData.ftCreationTime.ToDateTime(),
Attributes = (FileAttributes)findFileData.dfFileAttributes
};
list.Add(item);
}
findFileData = new WINAPI.WIN32_FIND_DATA();
}
}
}
finally
{
if (hInternet != IntPtr.Zero)
{
WININET.InternetCloseHandle(hInternet);
}
}
return(infoArray);
}
private List <string> List(string mask, bool onlyDirectories)
{
List <string> list2;
WINAPI.WIN32_FIND_DATA findFileData = new WINAPI.WIN32_FIND_DATA();
IntPtr hInternet = WININET.FtpFindFirstFile(_hConnect, mask, ref findFileData, 0x400_0000, IntPtr.Zero);
try
{
List <string> list = new List <string>();
if (hInternet == IntPtr.Zero)
{
if (Marshal.GetLastWin32Error() == 0x12)
{
list2 = list;
}
else
{
Error();
list2 = list;
}
}
else
{
if (onlyDirectories && ((findFileData.dfFileAttributes & 0x10) == 0x10))
{
list.Add(new string(findFileData.fileName).TrimEnd(new char[1]));
}
else if (!onlyDirectories)
{
list.Add(new string(findFileData.fileName).TrimEnd(new char[1]));
}
findFileData = new WINAPI.WIN32_FIND_DATA();
while (true)
{
if (WININET.InternetFindNextFile(hInternet, ref findFileData) == 0)
{
if (Marshal.GetLastWin32Error() != 0x12)
{
Error();
}
list2 = list;
break;
}
if (onlyDirectories && ((findFileData.dfFileAttributes & 0x10) == 0x10))
{
list.Add(new string(findFileData.fileName).TrimEnd(new char[1]));
}
else if (!onlyDirectories)
{
list.Add(new string(findFileData.fileName).TrimEnd(new char[1]));
}
findFileData = new WINAPI.WIN32_FIND_DATA();
}
}
}
finally
{
if (hInternet != IntPtr.Zero)
{
WININET.InternetCloseHandle(hInternet);
}
}
return(list2);
}