iso7816/lib/iso7816-application.js

'use strict';

var _commandApdu = require('./command-apdu');

var _commandApdu2 = _interopRequireDefault(_commandApdu);

var _responseApdu = require('./response-apdu');

var _responseApdu2 = _interopRequireDefault(_responseApdu);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var ins = {
    APPEND_RECORD: 0xE2,
    ENVELOPE: 0xC2,
    ERASE_BINARY: 0x0E,
    EXTERNAL_AUTHENTICATE: 0x82,
    GET_CHALLENGE: 0x84,
    GET_DATA: 0xCA,
    GET_RESPONSE: 0xC0,
    INTERNAL_AUTHENTICATE: 0x88,
    MANAGE_CHANNEL: 0x70,
    PUT_DATA: 0xDA,
    READ_BINARY: 0xB0,
    READ_RECORD: 0xB2,
    SELECT_FILE: 0xA4,
    UPDATE_BINARY: 0xD6,
    UPDATE_RECORD: 0xDC,
    VERIFY: 0x20,
    WRITE_BINARY: 0xD0,
    WRITE_RECORD: 0xD2
};

function Iso7816(devices, cardReader) {
    this.devices = devices;
    this.cardReader = cardReader;
}

Iso7816.prototype.issueCommand = function (commandApdu) {
    var _this = this;

    //console.log(`Iso7816.issueCommand '${commandApdu}' `);
    return this.devices.issueCommand(this.cardReader, commandApdu.toBuffer()).then(function (resp) {
        var response = (0, _responseApdu2.default)(resp);
        //console.log(`status code '${response.statusCode()}'`);
        if (response.hasMoreBytesAvailable()) {
            //console.log(`has '${response.numberOfBytesAvailable()}' more bytes available`);
            return _this.getResponse(response.numberOfBytesAvailable());
        } else if (response.isWrongLength()) {
            //console.log(`'le' should be '${response.correctLength()}' bytes`);
            commandApdu.setLe(response.correctLength());
            return _this.issueCommand(commandApdu);
        }
        //console.log(`return response '${response}' `);
        return response;
    });
};

Iso7816.prototype.selectFile = function (bytes, p1, p2) {
    //console.log(`Iso7816.selectFile, file='${bytes}'`);
    return this.issueCommand((0, _commandApdu2.default)({
        cla: 0x00,
        ins: ins.SELECT_FILE,
        p1: p1 || 0x04,
        p2: p2 || 0x00,
        data: bytes
    }));
};

Iso7816.prototype.getResponse = function (length) {
    //console.log(`Iso7816.getResponse, length='${length}'`);
    return this.issueCommand((0, _commandApdu2.default)({
        cla: 0x00,
        ins: ins.GET_RESPONSE,
        p1: 0x00,
        p2: 0x00,
        le: length
    }));
};

Iso7816.prototype.readRecord = function (sfi, record) {
    //console.log(`Iso7816.readRecord, sfi='${sfi}', record=${record}`);
    return this.issueCommand((0, _commandApdu2.default)({
        cla: 0x00,
        ins: ins.READ_RECORD,
        p1: record,
        p2: (sfi << 3) + 4,
        le: 0
    }));
};

function create(devices, cardReader) {
    return new Iso7816(devices, cardReader);
}

module.exports = create;