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Copy pathnew-track-parser.js
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new-track-parser.js
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var trackParser = function(rawtrack ,callback) {
// check to see if they even passed in an actual string
if (rawtrack == "" || rawtrack == null || rawtrack == undefined){ return callback("ERR::NoDataPresent") }
// before we parse, check if the raw track string is even a credit card
let match_data = rawtrack.match(/^%(.*)\?;(.*)\?$/)
if ( match_data == null) {
return callback("ERR::NotACreditCard", null)
}
//-- Example: Track 1 & 2 Data
//-- %B1234123412341234^CardUser/John^030510100000019301000000877000000?;1234123412341234=0305101193010877?
//-- Key off of the presence of "^" and "="
//-- Example: Track 1 Data Only
//-- B1234123412341234^CardUser/John^030510100000019301000000877000000?
//-- Key off of the presence of "^" but not "="
//-- Example: Track 2 Data Only
//-- 1234123412341234=0305101193010877?
//-- Key off of the presence of "=" but not "^"
// check to see if we have track one or track two
let hasTrack1 = rawtrack.indexOf("^");
let hasTrack2 = rawtrack.indexOf("=");
if(hasTrack1 > 0 && hasTrack2 > 0) {
// we parse for track one and track two data
let track1_raw = match_data[1]
let track2_raw = match_data[2]
let track1_match_data = track1_raw.match(/^(.)(\d*)\^([^\/]*)\/(.*)\^(.{4})(.{3})(.*)$/)
if (track1_match_data == null) { return callback("ERR::UnparseableTrackOne", null) }
let track2_match_data = track2_raw.match(/^(\d*)=(.{4})(.{3})(.*)$/)
if(track2_match_data == null) { return callback("ERR::UnparseableTrackTwo", null) }
let extracted_data_track1 = {
raw : track1_raw,
match_data : track1_match_data,
format_code : track1_match_data[1],
number : track1_match_data[2],
last_name : track1_match_data[3],
first_name : track1_match_data[4],
expiration : track1_match_data[5],
service_code : track1_match_data[6],
discretionary : track1_match_data[7]
}
let extracted_data_track2 = {
raw : track2_raw,
match_data : track2_match_data,
number : track2_match_data[1],
expiration : track2_match_data[2],
service_code : track2_match_data[3],
discretionary : track2_match_data[4]
}
//
if(extracted_data_track1.number != extracted_data_track2.number) {
return callback("ERR::NumberMismatch", null)
}
//
if(extracted_data_track1.expiration != extracted_data_track2.expiration){
return callback("ERR::ExpirationMismatch", null)
}
//
if(extracted_data_track1.service_code != extracted_data_track2.service_code){
return callback("ERR::ServiceCodeMismatch", null)
}
let extracted_data = {
track_1_raw : track1_raw,
track_1_match_data : track1_match_data,
track_1_extracted_data : extracted_data_track1,
track_2_raw : track2_raw,
track_2_match_data : track2_match_data,
track_2_extracted_data : extracted_data_track2,
format_code : track1_match_data[1],
number : track1_match_data[2],
first_name : track1_match_data[4],
last_name : track1_match_data[3],
expiration : track1_match_data[5],
service_code : track1_match_data[6],
discretionary : track1_match_data[7]
}
callback(null, extracted_data)
} else if(hasTrack1 > 0 ){
// we parse for only track 1 data
let track1_raw = match_data[1]
// before we continue, let us check to see if we can parse the track data
let track1_match_data = track1_raw.match(/^(.)(\d*)\^([^\/]*)\/(.*)\^(.{4})(.{3})(.*)$/)
if (track1_match_data == null) { return callback("ERR::UnparseableTrackOne", null) }
// if we are here, then the raw string is acceptable to be parsed
let extracted_data_track1 = {
raw : track1_raw,
match_data : track1_match_data,
format_code : track1_match_data[1],
number : track1_match_data[2],
last_name : track1_match_data[3],
first_name : track1_match_data[4],
expiration : track1_match_data[5],
service_code : track1_match_data[6],
discretionary : track1_match_data[7]
}
return callback(null, extracted_data_track1)
} else if(hasTrack2 > 0) {
// we parse for only track 2 data
let track2_raw = match_data[2]
let track2_match_data = track2_raw.match(/^(\d*)=(.{4})(.{3})(.*)$/)
if(track2_match_data == null) { return callback("ERR::UnparseableTrackTwo", null) }
// if we are here, then the raw string is acceptable to be parsed
let extracted_data_track2 = {
raw : track2_raw,
match_data : track2_match_data,
number : track2_match_data[1],
expiration : track2_match_data[2],
service_code : track2_match_data[3],
discretionary : track2_match_data[4]
}
return callback(null, extracted_data_track2)
} else {
return callback("ERR::TrackNotSupported", null)
}
}
var trackParserSync = function(rawtrack){
// check to see if they even passed in an actual string
if (rawtrack == "" || rawtrack == null || rawtrack == undefined){ return { error : "ERR::NoDataPresent", data : null} }
// before we parse, check if the raw track string is even a credit card
let match_data = rawtrack.match(/^%(.*)\?;(.*)\?$/)
if ( match_data == null) {
return { error : "ERR::NotACreditCard", data : null }
}
//-- Example: Track 1 & 2 Data
//-- %B1234123412341234^CardUser/John^030510100000019301000000877000000?;1234123412341234=0305101193010877?
//-- Key off of the presence of "^" and "="
//-- Example: Track 1 Data Only
//-- B1234123412341234^CardUser/John^030510100000019301000000877000000?
//-- Key off of the presence of "^" but not "="
//-- Example: Track 2 Data Only
//-- 1234123412341234=0305101193010877?
//-- Key off of the presence of "=" but not "^"
// check to see if we have track one or track two
let hasTrack1 = rawtrack.indexOf("^");
let hasTrack2 = rawtrack.indexOf("=");
if(hasTrack1 > 0 && hasTrack2 > 0) {
// we parse for track one and track two data
let track1_raw = match_data[1]
let track2_raw = match_data[2]
let track1_match_data = track1_raw.match(/^(.)(\d*)\^([^\/]*)\/(.*)\^(.{4})(.{3})(.*)$/)
if (track1_match_data == null) { return { error : "ERR::UnparseableTrackOne", data : null } }
let track2_match_data = track2_raw.match(/^(\d*)=(.{4})(.{3})(.*)$/)
if(track2_match_data == null) { return { error : "ERR::UnparseableTrackTwo", data : null } }
let extracted_data_track1 = {
raw : track1_raw,
match_data : track1_match_data,
format_code : track1_match_data[1],
number : track1_match_data[2],
last_name : track1_match_data[3],
first_name : track1_match_data[4],
expiration : track1_match_data[5],
service_code : track1_match_data[6],
discretionary : track1_match_data[7]
}
let extracted_data_track2 = {
raw : track2_raw,
match_data : track2_match_data,
number : track2_match_data[1],
expiration : track2_match_data[2],
service_code : track2_match_data[3],
discretionary : track2_match_data[4]
}
//
if(extracted_data_track1.number != extracted_data_track2.number) {
return { error : "ERR::NumberMismatch", data : null }
}
//
if(extracted_data_track1.expiration != extracted_data_track2.expiration){
return { error : "ERR::ExpirationMismatch", data : null }
}
//
if(extracted_data_track1.service_code != extracted_data_track2.service_code){
return { error : "ERR::ServiceCodeMismatch", data : null }
}
let extracted_data = {
track_1_raw : track1_raw,
track_1_match_data : track1_match_data,
track_1_extracted_data : extracted_data_track1,
track_2_raw : track2_raw,
track_2_match_data : track2_match_data,
track_2_extracted_data : extracted_data_track2,
format_code : track1_match_data[1],
number : track1_match_data[2],
first_name : track1_match_data[4],
last_name : track1_match_data[3],
expiration : track1_match_data[5],
service_code : track1_match_data[6],
discretionary : track1_match_data[7]
}
return { error : null, data: extracted_data }
} else if(hasTrack1 > 0 ){
// we parse for only track 1 data
let track1_raw = match_data[1]
// before we continue, let us check to see if we can parse the track data
let track1_match_data = track1_raw.match(/^(.)(\d*)\^([^\/]*)\/(.*)\^(.{4})(.{3})(.*)$/)
if (track1_match_data == null) { return { error : "ERR::UnparseableTrackOne", data : null} }
// if we are here, then the raw string is acceptable to be parsed
let extracted_data_track1 = {
raw : track1_raw,
match_data : track1_match_data,
format_code : track1_match_data[1],
number : track1_match_data[2],
last_name : track1_match_data[3],
first_name : track1_match_data[4],
expiration : track1_match_data[5],
service_code : track1_match_data[6],
discretionary : track1_match_data[7]
}
return { error : null, data : extracted_data_track1 }
} else if(hasTrack2 > 0) {
// we parse for only track 2 data
let track2_raw = match_data[2]
let track2_match_data = track2_raw.match(/^(\d*)=(.{4})(.{3})(.*)$/)
if(track2_match_data == null) { return { error : "ERR::UnparseableTrackTwo", data : null} }
// if we are here, then the raw string is acceptable to be parsed
let extracted_data_track2 = {
raw : track2_raw,
match_data : track2_match_data,
number : track2_match_data[1],
expiration : track2_match_data[2],
service_code : track2_match_data[3],
discretionary : track2_match_data[4]
}
return { error : null, data : extracted_data_track2 }
} else {
return { error : "ERR::TrackNotSupported", data : null }
}
}
module.exports = { trackParser, trackParserSync }