/// <summary>
/// Returns business card file that corresponds to path.
/// </summary>
/// <param name="context">Instance of <see cref="DavContext"/></param>
/// <param name="path">Encoded path relative to WebDAV root.</param>
/// <returns>CardFile instance or null if not found.</returns>
public static CardFile GetCardFile(DavContext context, string path)
{
string pattern = string.Format(@"^/?{0}/(?<user_name>[^/]+)/(?<addressbook_name>[^/]+)/(?<file_name>[^/]+\.vcf)$",
AddressbooksRootFolder.AddressbooksRootFolderPath.Trim(new char[] { '/' }).Replace("/", "/?"));
if (!Regex.IsMatch(path, pattern))
{
return(null);
}
FileInfo file = new FileInfo(context.MapPath(path));
if (!file.Exists)
{
return(null);
}
return(new CardFile(file, context, path));
}
/// <summary>
/// Returns calendar folder that corresponds to path.
/// </summary>
/// <param name="context">Instance of <see cref="DavContext"/></param>
/// <param name="path">Encoded path relative to WebDAV root.</param>
/// <returns>CalendarFolder instance or null if not found.</returns>
public static CalendarFolder GetCalendarFolder(DavContext context, string path)
{
string pattern = string.Format("^/?{0}/(?<user_name>[^/]+)/(?<calendar_name>[^/]+)/?",
CalendarsRootFolder.CalendarsRootFolderPath.Trim(new char[] { '/' }).Replace("/", "/?"));
if (!Regex.IsMatch(path, pattern))
{
return(null);
}
string folderPath = context.MapPath(path).TrimEnd(System.IO.Path.DirectorySeparatorChar);
DirectoryInfo folder = new DirectoryInfo(folderPath);
// to block vulnerability when "%20" folder can be injected into path and folder.Exists returns 'true'
if (!folder.Exists || String.Compare(folder.FullName.TrimEnd(System.IO.Path.DirectorySeparatorChar), folderPath, StringComparison.OrdinalIgnoreCase) != 0)
{
return(null);
}
return(new CalendarFolder(folder, context, path));
}