private void ParseField(string field)
{
if (String.IsNullOrEmpty(field))
{
throw new FtpItemParsingException("field cannot be a null or empty value");
}
if (field.IndexOf('=') == -1)
{
throw new FtpItemParsingException("field must contain equals '=' value");
}
// split the field fact
string[] fact = field.Split('=');
if (fact.Length != 2)
{
throw new FtpItemParsingException("field must contain equals '=' value with only a name and value");
}
string name = fact[0].Trim().ToLower();
string value = fact[1].Trim();
if (name.Length == 0)
{
throw new FtpItemParsingException("field fact name cannot be empty");
}
switch (name)
{
case FACT_CHAR_SET:
_charSet = value;
break;
case FACT_CREATE:
_create = ParseDateTime(value);
break;
case FACT_LANG:
_lang = value;
break;
case FACT_MEDIA_TYPE:
_mediaType = value;
break;
case FACT_MODIFY:
_modified = ParseDateTime(value);
break;
case FACT_PERM:
_perm = ParsePerm(value);
break;
case FACT_SIZE:
_size = ParseSize(value);
break;
case FACT_TYPE:
_itemType = ParseType(value);
break;
case FACT_UNIQUE:
_unique = value;
break;
case FACT_EXT_UNIX_GROUP:
_unixGroup = ParseInt32(value);
break;
case FACT_EXT_UNIX_MODE:
_unixMode = ParseInt32(value);
if (_unixMode != null)
{
_attributes = FtpUtilities.ModeToAttribute(_unixMode.Value);
}
break;
case FACT_EXT_UNIX_OWNER:
_unixOwner = ParseInt32(value);
break;
default:
break;
}
}
private FtpItem ParseUnixFormat(string line)
{
string attribs = _unixAttribs.Match(line).ToString();
string month = _unixMonth.Match(line).ToString();
string day = _unixDay.Match(line).ToString();
string year = _unixYear.Match(line).ToString();
string time = _unixTime.Match(line).ToString();
string size = _unixSize.Match(line).ToString();
string name = _unixName.Match(line).ToString().Trim();
string symbLink = "";
// ignore the microsoft 'etc' file that IIS uses for WWW users
if (name == "~ftpsvc~.ckm")
{
return(null);
}
// if we find a symbolic link then extract the symbolic link first and then
// extract the file name portion
if (_unixSymbLink.IsMatch(name))
{
symbLink = _unixSymbLink.Match(name).ToString();
name = name.Substring(0, name.IndexOf("->")).Trim();
}
string itemType = _unixType.Match(line).ToString();
// if the current year is not given in unix then we need to figure it out.
// basically, if a date is within the past 6 months unix will show the
// time instead of the year
if (year.Length == 0)
{
int curMonth = DateTime.Today.Month;
int curYear = DateTime.Today.Year;
DateTime result;
if (DateTime.TryParse(String.Format(CultureInfo.InvariantCulture, "1-{0}-2007", month), out result))
{
if ((curMonth - result.Month) < 0)
{
year = Convert.ToString(curYear - 1, CultureInfo.InvariantCulture);
}
else
{
year = curYear.ToString(CultureInfo.InvariantCulture);
}
}
}
DateTime dateObj;
DateTime.TryParse(String.Format(CultureInfo.InvariantCulture, "{0}-{1}-{2} {3}", day, month, year, time), out dateObj);
long sizeLng = 0;
Int64.TryParse(size, out sizeLng);
FtpItemType itemTypeObj = FtpItemType.Other;
switch (itemType.ToLower(CultureInfo.InvariantCulture))
{
case "l":
itemTypeObj = FtpItemType.SymbolicLink;
break;
case "d":
itemTypeObj = FtpItemType.Directory;
break;
case "-":
itemTypeObj = FtpItemType.File;
break;
case "b":
itemTypeObj = FtpItemType.BlockSpecialFile;
break;
case "c":
itemTypeObj = FtpItemType.CharacterSpecialFile;
break;
case "p":
itemTypeObj = FtpItemType.NamedSocket;
break;
case "s":
itemTypeObj = FtpItemType.DomainSocket;
break;
}
if (name == ".")
{
itemTypeObj = FtpItemType.CurrentDirectory;
}
if (name == "..")
{
itemTypeObj = FtpItemType.ParentDirectory;
}
if (itemTypeObj == FtpItemType.Other || name.Trim().Length == 0)
{
return(null);
}
else
{
return(new FtpItem(name, dateObj, sizeLng, itemTypeObj, attribs, FtpUtilities.AttributeToMode(attribs), symbLink, line));
}
}