mirror of
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101 lines
3.1 KiB
C#
101 lines
3.1 KiB
C#
/* Copyright (c) Citrix Systems Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms,
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* with or without modification, are permitted provided
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* that the following conditions are met:
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*
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* * Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the
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* following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the
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* following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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using System;
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using System.IO;
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namespace XenAdmin.Core
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{
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public class PathValidator
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{
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private static readonly char[] m_invalidFileCharList = Path.GetInvalidFileNameChars();
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private static readonly string[] m_deviceNames = {
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"CON", "PRN", "AUX", "NUL",
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"COM1", "COM2", "COM3", "COM4", "COM5", "COM6", "COM7", "COM8", "COM9",
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"LPT1", "LPT2", "LPT3", "LPT4", "LPT5", "LPT6", "LPT7", "LPT8", "LPT9"
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};
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public static bool IsFileNameValid(string filename)
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{
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if (filename.IndexOfAny(m_invalidFileCharList) > -1)
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return false;
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foreach (var name in m_deviceNames)
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{
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if (name == filename.ToUpper())
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return false;
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}
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return true;
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}
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public static bool IsPathValid(string path)
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{
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if (string.IsNullOrEmpty(path))
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return false;
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try
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{
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if (Path.IsPathRooted(path))
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{
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path = path[0] == '\\' && path.Length == 1
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? path.Substring(1)
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: path.Substring(2);
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}
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}
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catch(ArgumentException)
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{
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//path contains a character from Path.GetInvalidPathChars()
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return false;
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}
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string[] parts = path.Split(new[] {'\\'});
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if (parts.Length > 0)
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{
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foreach (var part in parts)
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{
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if (part.IndexOfAny(m_invalidFileCharList) > -1)
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return false;
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foreach (var name in m_deviceNames)
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{
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if (name == part.ToUpper())
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return false;
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}
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}
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}
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return true;
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}
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}
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}
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