REORG

src/Yavsc.Abstract/FileSystem/AbstractFileSystemHelpers.cs

@@ -1,92 +0,0 @@
-using System;
-using System.IO;
-using System.Linq;
-using System.Text;
-using Yavsc.ViewModels.UserFiles;
-
-namespace Yavsc.Server.Helpers
-{
-    public static class AbstractFileSystemHelpers
-    {
-        public static string UserBillsDirName {  set; get; }
-        public static string UserFilesDirName {  set; get; }
-
-        /// <summary>
-        /// Is Valid this Path?
-        /// Return true when given value is a valid user file sub-path,
-        /// regarding chars used to specify it.
-        /// </summary>
-        /// <param name="path">Path to validate</param>
-        /// <returns></returns>
-        public static bool IsValidYavscPath(this string path)
-        {
-            if (string.IsNullOrEmpty(path)) return true;
-            // disallow full path specification
-            if (path[0]==Path.DirectorySeparatorChar) return false;
-            foreach (var name in path.Split(Path.DirectorySeparatorChar))
-            {
-                if (!IsValidDirectoryName(name) || name.Equals("..") || name.Equals("."))
-                        return false;
-            }
-            // disallow trailling slash
-            if (path[path.Length-1]==RemoteDirectorySeparator) return false;
-            return true;
-        }
-
-        public static bool IsValidDirectoryName(this string name)
-        {
-            return !name.Any(c => !ValidFileNameChars.Contains(c));
-        }
-
-        public static bool IsValidShortFileName(this string name)
-        {
-            if (name.Any(c => !ValidFileNameChars.Contains(c)))
-                return false;
-            
-            if (!name.Any(c => !AlfaNum.Contains(c)))
-                return false;
-                
-            return true;
-        }
-
-        // Ensure this path is canonical,
-        // No "dirto/./this", neither "dirt/to/that/"
-        // no .. and each char must be listed as valid in constants
-        public static string FilterFileName(string fileName)
-        {
-            if (fileName==null) return null;
-            StringBuilder sb = new StringBuilder();
-            foreach (var c in fileName)
-            {
-                if (ValidFileNameChars.Contains(c))
-                    sb.Append(c);
-                else sb.Append("#" + ((int)c).ToString("D3"));
-            }
-            return sb.ToString();
-        }
-
-        public static UserDirectoryInfo GetUserFiles(string userId, string subdir)
-        {
-            UserDirectoryInfo di = new UserDirectoryInfo(UserFilesDirName, userId, subdir);
-            return di;
-        }
-        public static bool IsRegularFile(string userName, string subdir)
-        {
-            FileInfo fi = new FileInfo( Path.Combine(Path.Combine(UserFilesDirName, userName), subdir));
-            return fi.Exists;
-        }
-
-
-        // Server side only supports POSIX file systems
-        public const char RemoteDirectorySeparator = '/';
-
-        public static char[] AlfaNum = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".ToCharArray();
-        // Only accept descent remote file names
-        public static char[] ValidFileNameChars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-=_~. %#@".ToCharArray();
-
-        // Estimate signature file name format
-        public static Func<string, string, long, string>
-          SignFileNameFormat = new Func<string, string, long, string>((signType, billingCode, estimateId) => $"sign-{billingCode}-{signType}-{estimateId}.png");
-
-    }
-}