private static void CheckIllegalCharacters(String[] str, bool onlyCheckExtras)
{
#if !PLATFORM_UNIX
for (int i = 0; i < str.Length; ++i)
{
// FileIOPermission doesn't allow for normalizing across various volume names. This means "C:\" and
// "\\?\C:\" won't be considered correctly. In addition there are many other aliases for the volume
// besides "C:" such as (in one concrete example) "\\?\Harddisk0Partition2\", "\\?\HarddiskVolume6\",
// "\\?\Volume{d1655348-0000-0000-0000-f01500000000}\", etc.
//
// We'll continue to explicitly block extended syntax here by disallowing wildcards no matter where
// they occur in the string (e.g. \\?\ isn't ok)
if (CheckExtraPathCharacters(str[i]))
{
throw new ArgumentException(Environment.GetResourceString("Argument_InvalidPathChars"));
}
if (!onlyCheckExtras)
{
PathInternal.CheckInvalidPathChars(str[i]);
}
}
#else
// There are no "extras" on Unix
if (onlyCheckExtras)
{
return;
}
for (int i = 0; i < str.Length; ++i)
{
PathInternal.CheckInvalidPathChars(str[i]);
}
#endif
}
/// <summary>
/// To get the file name of a ZipArchiveEntry, we should be parsing the FullName based
/// on the path specifications and requirements of the OS that ZipArchive was created on.
/// This method takes in a FullName and the platform of the ZipArchiveEntry and returns
/// the platform-correct file name.
/// </summary>
internal static string ParseFileName(string path, ZipVersionMadeByPlatform madeByPlatform)
{
// Validation checking is done based on current OS, not source OS.
PathInternal.CheckInvalidPathChars(path);
if (madeByPlatform == ZipVersionMadeByPlatform.Unix)
{
int length = path.Length;
for (int i = length; --i >= 0;)
{
if (path[i] == '/')
{
return(path.Substring(i + 1));
}
}
return(path);
}
else
{
return(Path.GetFileName(path));
}
}
public void CheckInvalidPathChars_ThrowsOnNull()
{
Assert.Throws <ArgumentNullException>(() => PathInternal.CheckInvalidPathChars(null));
}