/**
* executeCommand
*
* @param map of APDU commands (Structure: Applet<-Instructions<-Fields<-Commands)
* @param commandId
* @return boolean
* @throws Exception
*/
boolean executeCommand(Map<String, Object> maps, int commandId) throws Exception {
AppletModel applet = null;
Object a = maps.get(SeqlWords.STR_APPLET);
if (a instanceof AppletModel) {
applet = (AppletModel) a;
}
if (applet == null) {
callback.onNoApplet();
return false;
}
try {
if (!sayHello(applet.getAlias(), CMD_HELLO)) {
throw new ChannelNotOpenException();
}
} catch (Exception e) {
throw e;
}
byte[][] commands = (byte[][]) maps.get(SeqlWords.STR_COMMAND);
String[] fields = (String[]) maps.get(SeqlWords.STR_FIELD);
Map<String, Object> response = new HashMap<String, Object>();
int idxField = 0;
boolean success = false;
for (byte[] command : commands) {
byte[] rep = null;
rep = sendCommand(command, channel);
if (!APDUModel.isResponseSucceded(rep)) {
if (APDUModel.isPinRequired(rep)) {
if (callback != null) callback.onPINRequired();
} else {
APDUError error =
new APDUError("Wrong APDU response", APDUModel.getResponseStatusWord(rep));
if (callback != null) callback.onAPDUError(error);
}
} else {
String r = APDUModel.getResponseBody(rep);
response.put(fields[idxField], r);
// Repeat fields loop for each instruction sequence
idxField = (idxField == fields.length ? 0 : idxField + 1);
success = true;
}
if (!success) {
// TODO: rollback all transactions!!!
break;
}
}
if (success) {
// System.out.println("Response sending...........");
if (callback != null) callback.onResponse(response, commandId);
}
disconnect();
return success;
}
/**
* sayHello (SELECT AID APDU ISO 7816-4)
*
* @param appletName
* @param commandId
* @return boolean
*/
@Override
public boolean sayHello(String appletName, int commandHelloId) {
try {
AppletModel model = null;
try {
model = SeqlMetadata.getInstance(configFile).getAppletByAlias(appletName);
} catch (Exception e) {
e.printStackTrace();
}
if (model == null) {
callback.onNoApplet();
}
channel = openChannel(model);
byte[] apdu = null;
APDUResponse resp = new APDUResponse();
try {
// select the applet
apdu = APDUModel.getSelectAidApdu(BytesTool.hexStringToByteArray(model.getAID()));
apdu = sendCommand(apdu, channel);
resp.setResponse(apdu);
return APDUModel.isResponseSucceded(resp.getStatusWord());
} catch (Exception e) {
e.printStackTrace();
callback.onNoApplet();
}
} catch (NoSuchElementException e) {
callback.onNoApplet();
} catch (IOException e) {
callback.onNoSecureElement();
} catch (NoReaderException e) {
callback.onNoReader();
} catch (NoSecureElementException e) {
callback.onNoSecureElement();
} catch (BadRequestException e) {
callback.onBadRequest(e.getMessage());
} catch (Exception e) {
callback.onNotConnected();
}
return false;
}