smartid-calls/dist/class/session.js

Smart-ID client module for Node.JS with proxy layer

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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};
var __generator = (this && this.__generator) || function (thisArg, body) {
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Object.defineProperty(exports, "__esModule", { value: true });
var crypto = require("crypto");
var x509 = require("x509");
var axios_1 = require("axios");
var CERT_BEGIN = '-----BEGIN CERTIFICATE-----\n';
var CERT_END = '\n-----END CERTIFICATE-----';
var Session = /** @class */ (function () {
    function Session(config, id) {
        this.config = config;
        this.id = id;
    }
    Session.prototype.pollStatus = function () {
        return __awaiter(this, void 0, void 0, function () {
            var response, body, cert;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, axios_1.default({
                            method: 'GET',
                            proxy: this.config.proxy || false,
                            responseType: 'json',
                            validateStatus: function (status) { return status === 200; },
                            url: this.config.host + '/session/' + this.id + '?timeoutMs=10000'
                        })];
                    case 1:
                        response = _a.sent();
                        if (typeof response !== 'object') {
                            throw new Error('Invalid response');
                        }
                        body = response.data;
                        if (!(body.state && body.state === 'RUNNING')) return [3 /*break*/, 3];
                        return [4 /*yield*/, this.pollStatus()];
                    case 2: return [2 /*return*/, _a.sent()];
                    case 3:
                        if (!body.result) {
                            throw new Error('Invalid response (empty result)');
                        }
                        else if (body.result.endResult !== 'OK') {
                            throw new Error(body.result.endResult);
                        }
                        else {
                            cert = CERT_BEGIN + body.cert.value + CERT_END;
                            return [2 /*return*/, {
                                    data: x509.getSubject(cert),
                                    result: body.result,
                                    all: body,
                                }];
                        }
                        return [2 /*return*/];
                }
            });
        });
    };
    Session.prototype.verifyRequest = function (prevRequest, authHash) {
        return __awaiter(this, void 0, void 0, function () {
            var cert, verifier, parsedCert, date;
            return __generator(this, function (_a) {
                cert = CERT_BEGIN + prevRequest.cert.value + CERT_END;
                // Check that auth was properly signed
                if (authHash) {
                    verifier = crypto.createVerify(prevRequest.signature.algorithm);
                    verifier.update(Buffer.from(authHash, 'hex'));
                    if (!verifier.verify(cert, prevRequest.signature.value, 'base64')) {
                        return [2 /*return*/, false];
                    }
                }
                parsedCert = x509.parseCert(cert);
                date = new Date();
                if (parsedCert.notBefore > date) {
                    throw new Error('Certificate is not active yet');
                }
                else if (parsedCert.notAfter < date) {
                    throw new Error('Certificate has expired');
                }
                return [2 /*return*/, true];
            });
        });
    };
    return Session;
}());
exports.Session = Session;