public static MsrFieldData ParseAamvaData(string track1Data, string track2Data, string track3Data)
{
if (track1Data == null)
throw new ArgumentNullException("track1Data");
if (track2Data == null)
throw new ArgumentNullException("track2Data");
if (track3Data == null)
throw new ArgumentNullException("track3Data");
MsrFieldData data = new MsrFieldData();
int len;
// Parse Track 1
track1Data = RemoveSentinels(track1Data, "%", "?");
if (track1Data.Length < 2)
throw new PosControlException("Invalid Track1Data", ErrorCode.Failure);
data.State = track1Data.Substring(0, 2);
track1Data = track1Data.Substring(2);
// city is up to the '^' or 13 chars
int sep = track1Data.IndexOf('^');
if (sep > 12 || (sep == -1 && track1Data.Length > 12))
len = 13;
else if (sep != -1)
len = sep;
else
throw new PosControlException("Invalid Track1Data", ErrorCode.Failure);
data.City = track1Data.Substring(0, len);
track1Data = track1Data.Substring(len==13 ? len : len+1);
// name is up to the '^' or 35 chars
sep = track1Data.IndexOf('^');
if (sep > 34 || (sep == -1 && track1Data.Length > 34))
len = 35;
else if (sep != -1)
len = sep;
else
throw new PosControlException("Invalid Track1Data", ErrorCode.Failure);
string [] names = track1Data.Substring(0, len).Split('$');
if (names.Length > 0)
data.Surname = names[0];
if (names.Length > 1)
data.FirstName = names[1];
if (names.Length > 2)
data.Suffix = names[2];
track1Data = track1Data.Substring(len == 35 ? len : len + 1);
// address is the rest of the string
data.Address = track1Data.Trim('^');
// Parse track 2
track2Data = RemoveSentinels(track2Data, ";", "?");
if (track2Data.Length < 6)
throw new PosControlException("Invalid Track2Data", ErrorCode.Failure);
// Skip ISO IIN
track2Data = track2Data.Substring(6);
// License #
sep = track2Data.IndexOf('=');
if (sep == -1)
throw new PosControlException("Invalid Track2Data", ErrorCode.Failure);
data.LicenseNumber = track2Data.Substring(0, sep);
track2Data = track2Data.Substring(sep + 1);
// Exp date, birth date
if (track2Data.Length < 12)
throw new PosControlException("Invalid Track2Data", ErrorCode.Failure);
data.ExpirationDate = track2Data.Substring(0, 4);
data.BirthDate = track2Data.Substring(4, 8);
track2Data = track2Data.Substring(12);
// License overflow
track2Data = track2Data.TrimEnd('=');
if (track2Data.Length > 0)
data.LicenseNumber = data.LicenseNumber + track2Data;
// Parse Track 3
track3Data = RemoveSentinels(track3Data, "%", "?");
if (track3Data.Length >= 42)
{
data.PostalCode = track3Data.Substring(2, 11);
data.Class = track3Data.Substring(13, 2);
data.Restrictions = track3Data.Substring(15, 10);
data.Endorsements = track3Data.Substring(25, 4);
data.Gender = track3Data.Substring(29, 1);
data.Height = track3Data.Substring(30, 3);
data.Weight = track3Data.Substring(33, 3);
data.HairColor = track3Data.Substring(36, 3);
data.EyeColor = track3Data.Substring(39, 3);
}
return data;
}
public static MsrFieldData ParseAamvaData(string track1Data, string track2Data, string track3Data)
{
if (track1Data == null)
{
throw new ArgumentNullException("track1Data");
}
if (track2Data == null)
{
throw new ArgumentNullException("track2Data");
}
if (track3Data == null)
{
throw new ArgumentNullException("track3Data");
}
MsrFieldData data = new MsrFieldData();
int len;
// Parse Track 1
track1Data = RemoveSentinels(track1Data, "%", "?");
if (track1Data.Length < 2)
{
throw new PosControlException("Invalid Track1Data", ErrorCode.Failure);
}
data.State = track1Data.Substring(0, 2);
track1Data = track1Data.Substring(2);
// city is up to the '^' or 13 chars
int sep = track1Data.IndexOf('^');
if (sep > 12 || (sep == -1 && track1Data.Length > 12))
{
len = 13;
}
else if (sep != -1)
{
len = sep;
}
else
{
throw new PosControlException("Invalid Track1Data", ErrorCode.Failure);
}
data.City = track1Data.Substring(0, len);
track1Data = track1Data.Substring(len == 13 ? len : len + 1);
// name is up to the '^' or 35 chars
sep = track1Data.IndexOf('^');
if (sep > 34 || (sep == -1 && track1Data.Length > 34))
{
len = 35;
}
else if (sep != -1)
{
len = sep;
}
else
{
throw new PosControlException("Invalid Track1Data", ErrorCode.Failure);
}
string [] names = track1Data.Substring(0, len).Split('$');
if (names.Length > 0)
{
data.Surname = names[0];
}
if (names.Length > 1)
{
data.FirstName = names[1];
}
if (names.Length > 2)
{
data.Suffix = names[2];
}
track1Data = track1Data.Substring(len == 35 ? len : len + 1);
// address is the rest of the string
data.Address = track1Data.Trim('^');
// Parse track 2
track2Data = RemoveSentinels(track2Data, ";", "?");
if (track2Data.Length < 6)
{
throw new PosControlException("Invalid Track2Data", ErrorCode.Failure);
}
// Skip ISO IIN
track2Data = track2Data.Substring(6);
// License #
sep = track2Data.IndexOf('=');
if (sep == -1)
{
throw new PosControlException("Invalid Track2Data", ErrorCode.Failure);
}
data.LicenseNumber = track2Data.Substring(0, sep);
track2Data = track2Data.Substring(sep + 1);
// Exp date, birth date
if (track2Data.Length < 12)
{
throw new PosControlException("Invalid Track2Data", ErrorCode.Failure);
}
data.ExpirationDate = track2Data.Substring(0, 4);
data.BirthDate = track2Data.Substring(4, 8);
track2Data = track2Data.Substring(12);
// License overflow
track2Data = track2Data.TrimEnd('=');
if (track2Data.Length > 0)
{
data.LicenseNumber = data.LicenseNumber + track2Data;
}
// Parse Track 3
track3Data = RemoveSentinels(track3Data, "%", "?");
if (track3Data.Length >= 42)
{
data.PostalCode = track3Data.Substring(2, 11);
data.Class = track3Data.Substring(13, 2);
data.Restrictions = track3Data.Substring(15, 10);
data.Endorsements = track3Data.Substring(25, 4);
data.Gender = track3Data.Substring(29, 1);
data.Height = track3Data.Substring(30, 3);
data.Weight = track3Data.Substring(33, 3);
data.HairColor = track3Data.Substring(36, 3);
data.EyeColor = track3Data.Substring(39, 3);
}
return(data);
}
public static MsrFieldData ParseIsoData(string track1Data, string track2Data)
{
if (track1Data == null)
throw new ArgumentNullException("track1Data");
if (track2Data == null)
throw new ArgumentNullException("track2Data");
MsrFieldData data = new MsrFieldData();
string [] Track1DataElements = track1Data.Trim().Split("^".ToCharArray());
if (Track1DataElements.Length == 3 &&
Track1DataElements[0].Length > 0 &&
Track1DataElements[0][0] == 'B')
{
if (Track1DataElements[0].Length > 1)
data.AccountNumber = Track1DataElements[0].Substring(1);
if (Track1DataElements[2].Length > 3)
data.ExpirationDate = Track1DataElements[2].Substring(0, 4);
if (Track1DataElements[2].Length > 6)
data.ServiceCode = Track1DataElements[2].Substring(4, 3);
// Track1DiscretionaryData
if (Track1DataElements[2].Length > 7)
data.Track1DiscretionaryData = StringToByteArray(Track1DataElements[2].Substring(7));
// if the PAN contains a '/' then it's standard Visa format
string [] PAN = Track1DataElements[1].Trim().Split("/".ToCharArray());
if (PAN.Length == 2)
{
// Visa Format: "Surname/FirstName MiddleInitial.Title"
// Surname is everything before '/' unless the PAN begins with "59" in which case
// there will be a 3-digit country code before Surname
if (data.AccountNumber.StartsWith("59", StringComparison.Ordinal))
{
if (PAN[0].Length > 2)
data.Surname = PAN[0].Substring(3).Trim(); // skip 3-digit country code
}
else
{
data.Surname = PAN[0].Trim();
}
// Split the text to the right of the '/'
string [] SplitPAN = PAN[1].Trim().Split(" ".ToCharArray());
if (SplitPAN != null)
{
// FirstName is the first text to the right of '/'
if (SplitPAN.Length > 0)
data.FirstName = SplitPAN[0].Trim();
if (SplitPAN.Length > 1)
{
// After FirstName is MiddleInitial.Title
string [] splitInitial = SplitPAN[1].Trim().Split(".".ToCharArray());
if (splitInitial.Length < 2)
{
data.MiddleInitial = SplitPAN[1].Trim();
}
else
{
data.MiddleInitial = splitInitial[0].Trim();
data.Title = splitInitial[1].Trim();
}
}
}
}
else
{
// Format: "FirstName MiddleInitial Surname Suffix"
// Split PAN at spaces
string [] SplitPAN = Track1DataElements[1].Trim().Split(" ".ToCharArray());
if (SplitPAN.Length > 0)
data.FirstName = SplitPAN[0].Trim();
if (SplitPAN.Length == 2)
{
data.Surname = SplitPAN[1].Trim();
}
else if (SplitPAN.Length > 2)
{
data.MiddleInitial = SplitPAN[1].Trim();
data.Surname = SplitPAN[2].Trim();
if (SplitPAN.Length > 3)
data.Suffix = SplitPAN[3].Trim();
}
}
}
string [] Track2DataElements = track2Data.Trim().Split("=".ToCharArray());
if (Track2DataElements.Length == 2)
{
// If we didn't get these fields from track1 try to get them from track2
if (data.AccountNumber.Length == 0)
data.AccountNumber = Track2DataElements[0].Trim();
if (data.ExpirationDate.Length == 0 && Track2DataElements[1].Length > 3)
data.ExpirationDate = Track2DataElements[1].Substring(0, 4);
if (data.ServiceCode.Length == 0 && Track2DataElements[1].Length > 6)
data.ServiceCode = Track2DataElements[1].Substring(4, 3);
// Track2DiscretionaryData
if (Track2DataElements[1].Length > 7)
data.Track2DiscretionaryData = StringToByteArray(Track2DataElements[1].Substring(7));
}
return data;
}
public static MsrFieldData ParseIsoData(string track1Data, string track2Data)
{
if (track1Data == null)
{
throw new ArgumentNullException("track1Data");
}
if (track2Data == null)
{
throw new ArgumentNullException("track2Data");
}
MsrFieldData data = new MsrFieldData();
string [] Track1DataElements = track1Data.Trim().Split("^".ToCharArray());
if (Track1DataElements.Length == 3 &&
Track1DataElements[0].Length > 0 &&
Track1DataElements[0][0] == 'B')
{
if (Track1DataElements[0].Length > 1)
{
data.AccountNumber = Track1DataElements[0].Substring(1);
}
if (Track1DataElements[2].Length > 3)
{
data.ExpirationDate = Track1DataElements[2].Substring(0, 4);
}
if (Track1DataElements[2].Length > 6)
{
data.ServiceCode = Track1DataElements[2].Substring(4, 3);
}
// Track1DiscretionaryData
if (Track1DataElements[2].Length > 7)
{
data.Track1DiscretionaryData = StringToByteArray(Track1DataElements[2].Substring(7));
}
// if the PAN contains a '/' then it's standard Visa format
string [] PAN = Track1DataElements[1].Trim().Split("/".ToCharArray());
if (PAN.Length == 2)
{
// Visa Format: "Surname/FirstName MiddleInitial.Title"
// Surname is everything before '/' unless the PAN begins with "59" in which case
// there will be a 3-digit country code before Surname
if (data.AccountNumber.StartsWith("59", StringComparison.Ordinal))
{
if (PAN[0].Length > 2)
{
data.Surname = PAN[0].Substring(3).Trim(); // skip 3-digit country code
}
}
else
{
data.Surname = PAN[0].Trim();
}
// Split the text to the right of the '/'
string [] SplitPAN = PAN[1].Trim().Split(" ".ToCharArray());
if (SplitPAN != null)
{
// FirstName is the first text to the right of '/'
if (SplitPAN.Length > 0)
{
data.FirstName = SplitPAN[0].Trim();
}
if (SplitPAN.Length > 1)
{
// After FirstName is MiddleInitial.Title
string [] splitInitial = SplitPAN[1].Trim().Split(".".ToCharArray());
if (splitInitial.Length < 2)
{
data.MiddleInitial = SplitPAN[1].Trim();
}
else
{
data.MiddleInitial = splitInitial[0].Trim();
data.Title = splitInitial[1].Trim();
}
}
}
}
else
{
// Format: "FirstName MiddleInitial Surname Suffix"
// Split PAN at spaces
string [] SplitPAN = Track1DataElements[1].Trim().Split(" ".ToCharArray());
if (SplitPAN.Length > 0)
{
data.FirstName = SplitPAN[0].Trim();
}
if (SplitPAN.Length == 2)
{
data.Surname = SplitPAN[1].Trim();
}
else if (SplitPAN.Length > 2)
{
data.MiddleInitial = SplitPAN[1].Trim();
data.Surname = SplitPAN[2].Trim();
if (SplitPAN.Length > 3)
{
data.Suffix = SplitPAN[3].Trim();
}
}
}
}
string [] Track2DataElements = track2Data.Trim().Split("=".ToCharArray());
if (Track2DataElements.Length == 2)
{
// If we didn't get these fields from track1 try to get them from track2
if (data.AccountNumber.Length == 0)
{
data.AccountNumber = Track2DataElements[0].Trim();
}
if (data.ExpirationDate.Length == 0 && Track2DataElements[1].Length > 3)
{
data.ExpirationDate = Track2DataElements[1].Substring(0, 4);
}
if (data.ServiceCode.Length == 0 && Track2DataElements[1].Length > 6)
{
data.ServiceCode = Track2DataElements[1].Substring(4, 3);
}
// Track2DiscretionaryData
if (Track2DataElements[1].Length > 7)
{
data.Track2DiscretionaryData = StringToByteArray(Track2DataElements[1].Substring(7));
}
}
return(data);
}
