nestjs-connectips
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This is simple wrapper for ConnectIPS Payment @nestjs-connectips. Just ping us or open pull request and contribute :)
215 lines • 11 kB
JavaScript
"use strict";
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var ConnectIpsService_1;
Object.defineProperty(exports, "__esModule", { value: true });
exports.ConnectIpsService = void 0;
const common_1 = require("@nestjs/common");
const connectIps_interface_1 = require("./connectIps.interface");
const axios_1 = require("@nestjs/axios");
const crypto = __importStar(require("crypto"));
const rxjs_1 = require("rxjs");
const fs = __importStar(require("node:fs"));
const node_forge_1 = __importDefault(require("node-forge"));
let ConnectIpsService = ConnectIpsService_1 = class ConnectIpsService {
constructor(options, httpService) {
this.options = options;
this.httpService = httpService;
this.paymentMode = null;
this.paymentUrlTest = null;
this.paymentUrl = null;
this.validateUrlTest = null;
this.validateUrl = null;
this.merchantId = null;
this.appId = null;
this.appName = null;
this.pfxPassword = null;
this.pfxPath = null;
this.basicAuthPassword = null;
if (!options.merchantId) {
throw new common_1.InternalServerErrorException("Merchant Id for connectips payment is missing");
}
if (!options.appId) {
throw new common_1.InternalServerErrorException("App Id Ket for connectips payment is missing");
}
if (!options.appName) {
throw new common_1.InternalServerErrorException("App Name for connectips payment is missing");
}
if (!options.pfxPassword) {
throw new common_1.InternalServerErrorException("PFX Password for connectips payment is missing");
}
if (!options.pfxPath) {
throw new common_1.InternalServerErrorException("PFX Path for connectips payment is missing");
}
if (!options.basicAuthPassword) {
throw new common_1.InternalServerErrorException("Basic Auth Password for connectips payment is missing");
}
if (!fs.existsSync(options.pfxPath)) {
throw new Error(`PFX file not found at path: ${options.pfxPath}`);
}
this.paymentMode = options.paymentMode || connectIps_interface_1.PaymentMode.TEST;
this.paymentUrlTest = options.paymentUrlTest || connectIps_interface_1.CONNECT_IPS_PAYMENT_TEST_URL;
this.paymentUrl = options.paymentUrl || connectIps_interface_1.CONNECT_IPS_PAYMENT_URL;
this.validateUrlTest = options.validateUrlTest || connectIps_interface_1.CONNECT_IPS_VALIDATE_TEST_URL;
this.validateUrl = options.validateUrl || connectIps_interface_1.CONNECT_IPS_VALIDATE_URL;
this.merchantId = options.merchantId;
this.appId = options.appId;
this.appName = options.appName;
this.pfxPassword = options.pfxPassword;
this.pfxPath = options.pfxPath;
this.basicAuthPassword = options.basicAuthPassword;
}
static getMessage(fieldNameList, data) {
const keyValuePairs = fieldNameList.map(fieldName => `${fieldName}=${data[fieldName]}`);
return keyValuePairs.join(',');
}
init(data) {
let { transactionAmount, transactionId, transactionDate, transactionCurrency, referenceId, remarks, particulars } = data;
if (!transactionAmount || !transactionId || !transactionDate || !transactionCurrency || !referenceId || !remarks || !particulars) {
throw new common_1.BadRequestException("Data missing for initiating connectips payment");
}
const connectIpsData = {
MERCHANTID: this.merchantId,
APPID: this.appId,
APPNAME: this.appName,
TXNID: transactionId,
TXNDATE: transactionDate,
TXNCRNCY: transactionCurrency,
TXNAMT: transactionAmount,
REFERENCEID: referenceId,
REMARKS: remarks,
PARTICULARS: particulars,
TOKEN: 'TOKEN',
PAYMENTURL: this.paymentMode.localeCompare(connectIps_interface_1.PaymentMode.TEST) == 0
? this.paymentUrlTest
: this.paymentUrl
};
// STEP 1: Generate token string without the actual signature
const fieldNameString = "MERCHANTID,APPID,APPNAME,TXNID,TXNDATE,TXNCRNCY,TXNAMT,REFERENCEID,REMARKS,PARTICULARS,TOKEN";
const message = ConnectIpsService_1.getMessage(fieldNameString.split(','), connectIpsData);
connectIpsData.TOKEN = this.generateSignature(message);
return connectIpsData;
}
async validate(data) {
var _a, _b, _c;
const { transactionAmount, referenceId } = data;
if (!transactionAmount) {
throw new common_1.BadRequestException('Transaction Amount is missing for validating connectips payment');
}
if (!referenceId) {
throw new common_1.BadRequestException('Reference Id is missing for validating connectips payment');
}
const connectIpsDataForMessage = {
"MERCHANTID": this.merchantId,
"APPID": this.appId,
"REFERENCEID": referenceId,
"TXNAMT": transactionAmount
};
const fieldNameString = "MERCHANTID,APPID,REFERENCEID,TXNAMT";
const message = ConnectIpsService_1.getMessage(fieldNameString.split(','), connectIpsDataForMessage);
const serverSignature = this.generateSignature(message);
const connectIpsValidateRequestDto = {
merchantId: connectIpsDataForMessage.MERCHANTID,
appId: connectIpsDataForMessage.APPID,
referenceId: connectIpsDataForMessage.REFERENCEID,
txnAmt: connectIpsDataForMessage.TXNAMT,
token: serverSignature
};
const basicAuth = 'Basic ' + Buffer.from(`${this.appId}:${this.basicAuthPassword}`).toString('base64');
const validateUrl = this.paymentMode.localeCompare('TEST') == 0
? this.validateUrlTest
: this.validateUrl;
try {
const response = await (0, rxjs_1.firstValueFrom)(this.httpService.post(validateUrl, connectIpsValidateRequestDto, {
headers: {
Authorization: basicAuth
}
}));
if ((response === null || response === void 0 ? void 0 : response.status) == 200 && response.data) {
return {
referenceId: (_a = response === null || response === void 0 ? void 0 : response.data) === null || _a === void 0 ? void 0 : _a.referenceId,
transactionAmount: (_b = response === null || response === void 0 ? void 0 : response.data) === null || _b === void 0 ? void 0 : _b.txnAmt,
status: (_c = response === null || response === void 0 ? void 0 : response.data) === null || _c === void 0 ? void 0 : _c.status,
};
}
throw new common_1.InternalServerErrorException('Unexpected response from connectips verification endpoint.');
}
catch (error) {
throw new common_1.InternalServerErrorException(`Error in payment verification \n ${error === null || error === void 0 ? void 0 : error.message}`);
}
}
generateSignature(message) {
const pfxPassword = this.pfxPassword;
const pfxBuffer = fs.readFileSync(this.pfxPath);
const p12Asn1 = node_forge_1.default.asn1.fromDer(pfxBuffer.toString('binary'));
const p12 = node_forge_1.default.pkcs12.pkcs12FromAsn1(p12Asn1, pfxPassword);
let privateKey = null;
for (const safeContent of p12.safeContents) {
for (const safeBag of safeContent.safeBags) {
if (safeBag.type === node_forge_1.default.pki.oids.keyBag || safeBag.type === node_forge_1.default.pki.oids.pkcs8ShroudedKeyBag) {
privateKey = node_forge_1.default.pki.privateKeyToPem(safeBag.key);
}
}
}
if (!privateKey) {
throw new common_1.InternalServerErrorException("Private key not found in PFX");
}
const signer = crypto.createSign('RSA-SHA256');
signer.update(message);
const signature = signer.sign(privateKey);
return signature.toString('base64');
}
};
exports.ConnectIpsService = ConnectIpsService;
exports.ConnectIpsService = ConnectIpsService = ConnectIpsService_1 = __decorate([
(0, common_1.Injectable)(),
__param(0, (0, common_1.Inject)(connectIps_interface_1.CONNECT_IPS_CONFIG_OPTIONS)),
__metadata("design:paramtypes", [Object, axios_1.HttpService])
], ConnectIpsService);
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