Files
Emoney-Info---IOS/Emoney Info/Classes/api/BrizziApi.swift

300 lines
12 KiB
Swift
Executable File

//
// BrizziApi.swift
// Emoney Info
//
// Created by Wira Irawan on 27/07/24.
//
import Foundation
import CoreNFC
public class BrizziApi : UnifiedNfcApi {
var emoney : Emoney = Emoney()
var riwayatList: [RiwayatCard] = []
var uid : String?
var rawLog : String = ""
private var historyRetryCount = 0
public override init() {}
public func getUid(){
apduRunner.exchangeApdu(apduCommand: EmoneyApduCommands.BRI_UID01, completionHandler: {response in
if (response.sw1 == 0x91 && response.sw2 == 0xAF){
self.getUid02()
} else {
self.apduRunner.invalidateSession(msg: "readFailed".localizeString(string: self.langCode!))
}
})
}
private func getUid02(){
apduRunner.exchangeApdu(apduCommand: EmoneyApduCommands.BRI_UID02, completionHandler: {response in
if (response.sw1 == 0x91 && response.sw2 == 0xAF){
self.getUid02()
} else {
self.uid = response.getData().hexEncodedString().subString(from: 0, to: 14)
self.getCardNumber()
}
})
}
private func getCardNumber(){
apduRunner.exchangeApdu(apduCommand: EmoneyApduCommands.BRI_APDU01, completionHandler: {response in
if (response.sw1 == 0x91 && response.sw2 == 0x00){
self.emoney.setCardLabel("Brizzi")
self.emoney.setCardNumber(response.getData().hexEncodedString().subString(from: 6, to: 22))
self.process01()
} else {
self.apduRunner.invalidateSession(msg: "readFailed".localizeString(string: self.langCode!))
}
})
}
private func process01(){
apduRunner.exchangeApdu(apduCommand: EmoneyApduCommands.BRI_APDU02, completionHandler: {response in
if (response.sw1 == 0x91 && response.sw2 == 0x00){
self.process02()
} else {
self.apduRunner.invalidateSession(msg: "readFailed".localizeString(string: self.langCode!))
}
})
}
private func process02(){
apduRunner.exchangeApdu(apduCommand: EmoneyApduCommands.BRI_APDU03, completionHandler: {response in
if (response.sw1 == 0x91 && response.sw2 == 0x00) || (response.sw1 == 0x91 && response.sw2 == 0xAF){
self.process03(data: response.getData())
} else {
self.apduRunner.invalidateSession(msg: "readFailed".localizeString(string: self.langCode!))
}
})
}
private func process03(data : Data){
let brizziSamHelper = BrizziSamHelper()
brizziSamHelper.keyCard = data.hexEncodedString()
let random = "8DC0DC40FE1DC582CF7099E2AACFBC10".hex2byte()
guard let uid = self.uid else {
self.apduRunner.invalidateSession(msg: "readFailed".localizeString(string: self.langCode!))
return
}
let command = self.emoney.getCardNumber() + uid + "FF"
guard let decrypted = BrizziSamHelper.decryptDeSeDe(random)?.hexEncodedString() else {
self.apduRunner.invalidateSession(msg: "readFailed".localizeString(string: self.langCode!))
return
}
let decryptedFinal = decrypted.subString(from: 0, to: 32)
guard decryptedFinal.count == 32,
let encrypted = BrizziSamHelper.encryptDeSeDe(command, decryptedFinal, "0000000000000000")?.hexEncodedString() else {
self.apduRunner.invalidateSession(msg: "readFailed".localizeString(string: self.langCode!))
return
}
brizziSamHelper.encryptedKey = encrypted.subString(from: 0, to: 32)
let randomHex = "3C37029CA595FE4E7E62FCB2F7909B2C".hex2byte()
let randomHexDecrypted = BrizziSamHelper.decryptDeSeDe(randomHex)
let randomHexFinal = randomHexDecrypted?.hexEncodedString().subString(from: 0, to: 32) ?? ""
guard randomHexFinal.count == 32,
let encryptedKey = brizziSamHelper.encryptedKey,
let randomHexEncrypted = BrizziSamHelper.encryptDeSeDe(encryptedKey, randomHexFinal, brizziSamHelper.authKey)?.hexEncodedString() else {
self.apduRunner.invalidateSession(msg: "readFailed".localizeString(string: self.langCode!))
return
}
brizziSamHelper.random = randomHexEncrypted.subString(from: 0, to: 32)
let samChallenge = brizziSamHelper.generateSamRandom().subString(from: 0, to: 32)
guard samChallenge.count == 32 else {
self.apduRunner.invalidateSession(msg: "readFailed".localizeString(string: self.langCode!))
return
}
let BRI_APDU04 = NFCISO7816APDU(instructionClass : 0x90, instructionCode : 0xAF, p1Parameter : 0x00, p2Parameter : 0x00, data : Data(_: samChallenge.hex2byte()), expectedResponseLength : CommonConstants.LE_GET_ALL_RESPONSE_DATA)
apduRunner.exchangeApdu(apduCommand: BRI_APDU04, completionHandler: {response in
if (response.sw1 == 0x91 && response.sw2 == 0x00) || (response.sw1 == 0x91 && response.sw2 == 0xAF){
self.process04()
} else {
self.apduRunner.invalidateSession(msg: "readFailed".localizeString(string: self.langCode!))
}
})
}
private func process04(){
apduRunner.exchangeApdu(apduCommand: EmoneyApduCommands.BRI_APDU05, completionHandler: {response in
if (response.sw1 == 0x91 && response.sw2 == 0x00) || (response.sw1 == 0x91 && response.sw2 == 0xAF){
self.emoney.setBalance(self.getRealBalance(reverseHexa: response.getData().hexEncodedString().subString(from: 0, to: 8)))
self.historyRetryCount = 0
self.startHistoryRead()
} else {
self.apduRunner.invalidateSession(msg: "readFailed".localizeString(string: self.langCode!))
}
})
}
private func startHistoryRead() {
rawLog = ""
riwayatList.removeAll()
getLog()
}
private func retryHistoryRead(reason: String) {
if historyRetryCount < 1 {
historyRetryCount += 1
debugLog("Retrying Brizzi history read: \(reason)")
startHistoryRead()
} else {
finalizeHistoryRead()
}
}
private func finalizeHistoryRead() {
if (self.parseLog()){
self.riwayatList = self.riwayatList.sorted {
($0.getTransationTime() ?? Date.distantPast) > ($1.getTransationTime() ?? Date.distantPast)
}
self.emoney.setRiwayatList(self.riwayatList)
self.emoney.setTampilRiwayat(true)
}
self.updateScreen()
self.apduRunner.sessionEx?.alertMessage = "readFinish".localizeString(string: self.langCode!)
self.apduRunner.invalidateSession()
}
private func getLog(){
apduRunner.exchangeApdu(apduCommand: EmoneyApduCommands.BRI_LOG01, completionHandler: {response in
if (response.sw1 == 0x91 && response.sw2 == 0x00) || (response.sw1 == 0x91 && response.sw2 == 0xAF){
self.rawLog.append(response.getData().hexEncodedString())
self.getMoreLog()
} else {
self.retryHistoryRead(reason: "initial log status \(response.sw1)-\(response.sw2)")
}
})
}
private func getMoreLog(){
apduRunner.exchangeApdu(apduCommand: EmoneyApduCommands.BRI_LOG02, completionHandler: {response in
if (response.sw1 == 0x91 && response.sw2 == 0xAF){
self.rawLog.append(response.getData().hexEncodedString())
self.getMoreLog()
} else {
if (response.sw1 == 0x91 && response.sw2 == 0x00) || (response.sw1 == 0x90 && response.sw2 == 0x00) {
self.rawLog.append(response.getData().hexEncodedString())
self.finalizeHistoryRead()
} else {
self.retryHistoryRead(reason: "continuation log status \(response.sw1)-\(response.sw2)")
}
}
})
}
private func parseLog() -> Bool {
let logs = self.rawLog.trimmingCharacters(in: .whitespacesAndNewlines)
if (logs.count % 64 != 0){
return false
}
let total = logs.count/64
for i in 0..<total {
let start = i*64
let end = start + 64
let data = logs.subString(from: start, to: end)
let riwayat = RiwayatCard()
// riwayat.setLocationId(data.subString(from: 16, to: 32))
// riwayat.setLocationName(data.subString(from: 0, to: 16))
riwayat.setTitle(self.getCode(trxCode: data.subString(from: 44, to: 46)))
riwayat.setProsesTipe(self.getTipe(trxCode: data.subString(from: 44, to: 46)))
riwayat.setAmount(self.getRealBalance(reverseHexa: data.subString(from: 46, to: 52)))
let time = self.getTransactionTime(formatDate: data.subString(from: 32, to: 38), formatTime: data.subString(from: 38, to: 44))
guard let time else {
debugLog("Skipping Brizzi log with invalid timestamp: \(data)")
continue
}
riwayat.setTransactionTime(time)
riwayatList.append(riwayat)
}
return true
}
func getTransactionTime(formatDate : String, formatTime : String) -> Date?{
let dateFormatter2 = DateFormatter()
dateFormatter2.locale = Locale(identifier: "en_US_POSIX")
dateFormatter2.dateFormat = "HHmmss"
guard let date12 = dateFormatter2.date(from: formatTime) else {
return nil
}
dateFormatter2.dateFormat = "hh:mm a"
let date22 = dateFormatter2.string(from: date12)
let dateFormatter = DateFormatter()
dateFormatter.locale = Locale(identifier: "en_US_POSIX") // set locale to reliable US_POSIX
dateFormatter.dateFormat = "ddMMyy hh:mm a"
return dateFormatter.date(from:(formatDate + " " + date22))
}
private func getCode(trxCode: String) -> String {
let trxUp = trxCode.uppercased()
if trxUp.contains("5F") {
return "reactivation".localizeString(string: self.langCode!)
} else if trxUp.contains("EB") {
return "payment".localizeString(string: self.langCode!)
} else if trxUp.contains("EC") {
return "topup".localizeString(string: self.langCode!)
} else if trxUp.contains("ED") {
return "void".localizeString(string: self.langCode!)
} else if trxUp.contains("EF") {
return "updateBalance".localizeString(string: self.langCode!)
} else {
return "-"
}
}
private func getTipe(trxCode: String) -> Int {
let trxUp = trxCode.uppercased()
if trxUp.contains("5F") {
return 2
} else if trxUp.contains("EB") {
return 1
} else if trxUp.contains("EC") {
return 0
} else if trxUp.contains("ED") {
return 0
} else if trxUp.contains("EF") {
return 1
} else {
return 0
}
}
func getRealBalance(reverseHexa: String?) -> Int {
guard let reverseHexa = reverseHexa?.trimmingCharacters(in: .whitespacesAndNewlines), !reverseHexa.isEmpty else {
return 0
}
if reverseHexa.count % 2 != 0 {
return 0
}
var sb = ""
for l in stride(from: reverseHexa.count / 2, through: 1, by: -1) {
let index1 = reverseHexa.index(reverseHexa.startIndex, offsetBy: l * 2 - 2)
let index2 = reverseHexa.index(reverseHexa.startIndex, offsetBy: l * 2 - 1)
sb.append(reverseHexa[index1])
sb.append(reverseHexa[index2])
}
return sb.hex2decimal()
}
private func updateScreen(){
if (self.apduRunner.callback != nil){
self.apduRunner.callback?.complete(emoney: self.emoney)
}
}
}