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Updated on 2026-08-14

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Tangem 2018-06-26 21:32:46 +03:00
parent cecb958d13
commit b5c0595723
8 changed files with 225 additions and 200 deletions
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167
app/src/main/java/com/tangem/data/task/ReadCardInfoTask.java Normal file
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package com.tangem.data.task;
import android.content.Context;
import android.nfc.tech.IsoDep;
import android.util.Log;
import com.tangem.domain.cardReader.CardProtocol;
import com.tangem.domain.cardReader.NfcManager;
import com.tangem.domain.wallet.PINStorage;
import com.tangem.domain.wallet.TangemCard;
import com.tangem.util.Util;
import java.util.ArrayList;
public class ReadCardInfoTask extends Thread {
public static final String TAG = ReadCardInfoTask.class.getSimpleName();
private IsoDep mIsoDep;
private CardProtocol.Notifications mNotifications;
private boolean isCancelled = false;
private Context mContext;
private NfcManager mNfcManager;
private ArrayList<String> lastRead_UnsuccessfullPINs = new ArrayList<>();
private TangemCard.EncryptionMode lastRead_Encryption = null;
private String lastRead_UID;
public ReadCardInfoTask(Context context, NfcManager nfcManager, String lastRead_UID, IsoDep isoDep, CardProtocol.Notifications notifications) {
mContext = context;
mIsoDep = isoDep;
mNotifications = notifications;
mNfcManager = nfcManager;
this.lastRead_UID = lastRead_UID;
}
@Override
public void run() {
if (mIsoDep == null) {
return;
}
try {
// for Samsung's bugs -
// Workaround for the Samsung Galaxy S5 (since the
// first connection always hangs on transceive).
int timeout = mIsoDep.getTimeout();
mIsoDep.connect();
mIsoDep.close();
mIsoDep.connect();
mIsoDep.setTimeout(timeout);
try {
CardProtocol protocol = new CardProtocol(mContext, mIsoDep, mNotifications);
mNotifications.OnReadStart(protocol);
try {
mNotifications.OnReadProgress(protocol, 5);
byte[] UID = mIsoDep.getTag().getId();
String sUID = Util.byteArrayToHexString(UID);
if (!lastRead_UID.equals(sUID)) {
lastRead_UID = sUID;
lastRead_UnsuccessfullPINs.clear();
lastRead_Encryption = null;
}
Log.i(TAG, "[-- Start read card info --]");
if (isCancelled) return;
protocol.setPIN(PINStorage.getDefaultPIN());
protocol.clearReadResult();
if (lastRead_Encryption == null) {
Log.i(TAG, "Try get supported encryption mode");
protocol.run_GetSupportedEncryption();
} else {
Log.i(TAG, "Use already defined encryption mode: " + lastRead_Encryption.name());
protocol.getCard().encryptionMode = lastRead_Encryption;
}
if (protocol.haveReadResult()) {
//already have read result (obtained while get supported encryption), only read issuer data and define offline balance
protocol.parseReadResult();
protocol.run_ReadOrWriteIssuerDataAndDefineOfflineBalance();
mNotifications.OnReadProgress(protocol, 60);
PINStorage.setLastUsedPIN(protocol.getCard().getPIN());
} else {
//don't have read result - may be don't get supported encryption on this try, need encryption or need another PIN
if (lastRead_Encryption == null) {
// we try get supported encryption on this time
lastRead_Encryption = protocol.getCard().encryptionMode;
if (protocol.getCard().encryptionMode == TangemCard.EncryptionMode.None) {
// default pin not accepted
lastRead_UnsuccessfullPINs.add(PINStorage.getDefaultPIN());
}
}
boolean pinFound = false;
for (String PIN : PINStorage.getPINs()) {
Log.e(TAG, "PIN: " + PIN);
boolean skipPin = false;
for (int i = 0; i < lastRead_UnsuccessfullPINs.size(); i++) {
if (lastRead_UnsuccessfullPINs.get(i).equals(PIN)) {
skipPin = true;
break;
}
}
if (skipPin) {
Log.e(TAG, "Skip PIN - already checked before");
continue;
}
try {
protocol.setPIN(PIN);
if (protocol.getCard().encryptionMode != TangemCard.EncryptionMode.None) {
protocol.CreateProtocolKey();
}
protocol.run_Read();
mNotifications.OnReadProgress(protocol, 60);
PINStorage.setLastUsedPIN(PIN);
pinFound = true;
protocol.getCard().setPIN(PIN);
break;
} catch (CardProtocol.TangemException_InvalidPIN e) {
Log.e(TAG, e.getMessage());
lastRead_UnsuccessfullPINs.add(PIN);
}
}
if (!pinFound) {
throw new CardProtocol.TangemException_InvalidPIN("No valid PIN found!");
}
}
protocol.run_CheckPIN2isDefault();
} catch (Exception e) {
e.printStackTrace();
protocol.setError(e);
} finally {
Log.i(TAG, "[-- Finish read card info --]");
mNotifications.OnReadFinish(protocol);
}
} finally {
mNfcManager.ignoreTag(mIsoDep.getTag());
}
} catch (Exception e) {
e.printStackTrace();
}
}
public void cancel(Boolean AllowInterrupt) {
try {
if (this.isAlive()) {
isCancelled = true;
join(500);
}
if (this.isAlive() && AllowInterrupt) {
interrupt();
mNotifications.OnReadCancel();
}
} catch (Exception e) {
e.printStackTrace();
}
}
}