expresscheckout-nodejs
Version:
Juspay's official expresscheckout-nodejs sdk
370 lines • 19.7 kB
JavaScript
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/* eslint-disable @typescript-eslint/no-explicit-any */
import * as http from 'http';
import * as https from 'https';
import { URL } from 'url';
import Juspay from './Juspay.js';
import { base64Encode, prepareData, prepareQueryParams } from './utils.js';
import { APIError, AuthenticationError, AuthorizationError, InternalServerError, InvalidRequestError, JuspayError, TimeoutError, } from './JuspayError.js';
import security from './security/index.js';
import { DefaultJuspayLogger } from './JuspayLogger.js';
var JuspayResource = /** @class */ (function () {
function JuspayResource(juspayEnv) {
this.logger = DefaultJuspayLogger.getLoggerInstance(JuspayResource.name);
this.juspayEnvironment = juspayEnv;
}
JuspayResource.prototype.makeServiceCall = function (_a) {
var _this = this;
var method = _a.method, _b = _a.path, path = _b === void 0 ? '/' : _b, _c = _a.headers, headers = _c === void 0 ? {} : _c, body = _a.body, timeout = _a.timeout, query = _a.query, juspayOverrideConfig = _a.juspayOverrideConfig, _d = _a.auth, auth = _d === void 0 ? ['BASIC'] : _d, _e = _a.opts, opts = _e === void 0 ? {
authPriority: 'default'
} : _e;
return new Promise(function (resolve, reject) { return __awaiter(_this, void 0, void 0, function () {
var juspayEnvironment_1, authMethod_1, apiKey, merchantId, jweAuthConfig, dataToEncrypt, data_1, pathWithQueryParams, fullPath, isInsecureConnection_1, agent, httpOptions, req_1;
var _this = this;
return __generator(this, function (_a) {
try {
juspayEnvironment_1 = this.juspayEnvironment.override(juspayOverrideConfig);
authMethod_1 = this.authDecider(juspayEnvironment_1, auth, opts);
headers = __assign(__assign({ 'Content-Type': 'application/x-www-form-urlencoded', 'User-Agent': "NODEJS_SDK/".concat(Juspay.pkg.version), version: juspayEnvironment_1.getVersion(), 'x-merchantid': juspayEnvironment_1.getMerchantId() }, headers), juspayEnvironment_1.getHeaders());
switch (authMethod_1) {
case 'BASIC':
apiKey = juspayEnvironment_1.getApiKey(), merchantId = juspayEnvironment_1.getMerchantId();
if (apiKey == undefined || merchantId == undefined) {
throw new TypeError("Using BASIC auth, please set merchant id and api key to use this resource ".concat(path, "."));
}
headers = __assign(__assign({}, headers), { Authorization: 'Basic ' + base64Encode(apiKey) });
break;
case 'JWE':
jweAuthConfig = juspayEnvironment_1.getJweEncryption();
if (jweAuthConfig == undefined) {
throw new TypeError('Using JWE auth, please set jweAuth field in config');
}
headers = __assign(__assign({}, headers), { 'Content-Type': 'application/json' });
if (opts.jwePath == undefined) {
path = "/v4".concat(path);
}
else {
path = opts.jwePath;
}
dataToEncrypt = void 0;
if (method == 'GET') {
method = 'POST';
dataToEncrypt = JSON.stringify(query);
}
else {
dataToEncrypt = JSON.stringify(body);
}
body = security.JWT.jwtEncrypt(dataToEncrypt, jweAuthConfig.keyId, jweAuthConfig.publicKey, jweAuthConfig.privateKey);
break;
case 'SIGNATURE':
default:
throw new TypeError('Auth method not implemented');
}
data_1 = '';
if (method != 'GET') {
if (headers['Content-Type'] == 'application/x-www-form-urlencoded') {
data_1 = prepareData(body);
}
else {
data_1 = JSON.stringify(body);
}
}
this.logger.info({
value: body,
message: 'Request parameters'
});
pathWithQueryParams = path;
if (authMethod_1 != 'JWE') {
pathWithQueryParams = path + prepareQueryParams(query);
}
fullPath = new URL(pathWithQueryParams, juspayEnvironment_1.getBaseUrl()), isInsecureConnection_1 = fullPath.protocol === 'http';
agent = opts.agent;
if (!agent) {
agent = isInsecureConnection_1
? new http.Agent({ keepAlive: true })
: new https.Agent({ keepAlive: true });
}
this.logger.info({
message: 'Executing request',
value: fullPath.pathname + fullPath.search
});
httpOptions = {
host: fullPath.host,
port: fullPath.port,
path: fullPath.pathname + fullPath.search,
method: method,
agent: agent,
// eslint-disable-next-line @typescript-eslint/ban-ts-comment
// @ts-ignore
headers: headers
};
req_1 = (isInsecureConnection_1 ? http : https).request(httpOptions);
req_1.setTimeout(timeout || juspayEnvironment_1.getTimeout(), function () {
req_1.destroy(new TimeoutError('Socket Timeout during request execution'));
});
req_1.on('response', function (res) { return __awaiter(_this, void 0, void 0, function () {
var httpResponse, _a, error_1;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
this.logger.info({
message: 'Received HTTP Response Code',
value: res.statusCode
});
httpResponse = new HttpResponseHandler(res, authMethod_1, juspayEnvironment_1.getJweEncryption());
_b.label = 1;
case 1:
_b.trys.push([1, 3, , 4]);
_a = resolve;
return [4 /*yield*/, httpResponse.parseResponse()];
case 2:
_a.apply(void 0, [_b.sent()]);
return [3 /*break*/, 4];
case 3:
error_1 = _b.sent();
this.logger.error(error_1);
reject(error_1);
return [3 /*break*/, 4];
case 4: return [2 /*return*/];
}
});
}); });
req_1.on('error', function (error) {
_this.logger.error({
message: 'Please check your internet connection/Failed to establish connection',
value: error
});
reject(error);
});
req_1.once('socket', function (socket) {
if (socket.connecting) {
socket.once(isInsecureConnection_1 ? 'connect' : 'secureConnect', function () {
req_1.write(data_1);
req_1.end();
});
}
else {
req_1.write(data_1);
req_1.end();
}
});
}
catch (error) {
this.logger.error(error);
return [2 /*return*/, reject(error)];
}
return [2 /*return*/];
});
}); });
};
JuspayResource.prototype.authDecider = function (juspayEnvironment, auth, opts) {
var defaultPriority = [
'JWE',
'SIGNATURE',
'BASIC',
];
var priority = [];
if (opts.authPriority == 'default' || opts.authPriority == undefined) {
for (var i = 0; i < defaultPriority.length; i++) {
var authMethod = defaultPriority[i];
if (auth.includes(authMethod)) {
priority.push(authMethod);
}
}
}
else {
priority = auth;
}
for (var i = 0; i < priority.length; i++) {
var authMethod = priority[i];
switch (authMethod) {
case 'BASIC':
if (juspayEnvironment.getApiKey() &&
juspayEnvironment.getMerchantId()) {
return 'BASIC';
}
break;
case 'JWE':
if (juspayEnvironment.getJweEncryption()) {
return 'JWE';
}
break;
case 'SIGNATURE':
default:
throw new TypeError(authMethod + ' auth is not implemented');
}
}
if (juspayEnvironment.getApiKey() &&
juspayEnvironment.getMerchantId() &&
opts.authPriority != 'ordered') {
return 'BASIC';
}
if (priority.includes('BASIC') == false) {
priority.push('BASIC');
}
var errorMessage = "No authentication config found in Juspay instance. Please setup the config to support this auth ".concat(priority, ".\n For JWE encryption. Setup using new Juspay(jweAuth: {keyId:string, publicKey:string, privateKey: string}, merchantId:string). You can get these configs from dashboard under security>JWT section.\n For BASIC authentication. Setup using new Juspay({apiKey:string, merchantId:string}), you can get apiKey from dashboard under security?API KEYS.\n Please ensure merchantId has been set.\n ");
throw new TypeError(errorMessage);
};
return JuspayResource;
}());
var HttpResponseHandler = /** @class */ (function () {
function HttpResponseHandler(res, authMethod, jweAuthConfig) {
this.logger = DefaultJuspayLogger.getLoggerInstance(HttpResponseHandler.name);
// eslint-disable-next-line @typescript-eslint/ban-ts-comment
// @ts-ignore
this.__status_code = res.statusCode;
// eslint-disable-next-line @typescript-eslint/ban-ts-comment
// @ts-ignore
this.__headers = res.headers || {};
this.__res = res;
this.__jwe_auth_config = jweAuthConfig;
this.__auth_method = authMethod;
}
HttpResponseHandler.prototype.getRawResponse = function () {
return this.__res;
};
HttpResponseHandler.prototype.getStatusCode = function () {
return this.__status_code;
};
HttpResponseHandler.prototype.getHeaders = function () {
return this.__headers;
};
HttpResponseHandler.prototype.toStream = function (streamCompleteCallback) {
this.__res.once('end', function () { return streamCompleteCallback(); });
return this.__res;
};
HttpResponseHandler.prototype.parseResponse = function () {
var _this = this;
return new Promise(function (resolve, reject) {
if (_this.__response != undefined) {
return resolve(_this.__response);
}
var response = '';
_this.__res.setEncoding('utf8');
_this.__res.on('data', function (chunk) {
response += chunk;
});
_this.__res.once('end', function () { return __awaiter(_this, void 0, void 0, function () {
var http, resJson, finalResponse, decryptedResponse, statusCode;
return __generator(this, function (_a) {
this.__response = response;
http = {
headers: this.getHeaders(),
statusCode: this.getStatusCode(),
url: this.__res.url,
method: this.__res.method,
httpVersion: this.__res.httpVersion,
httpVersionMajor: this.__res.httpVersionMajor,
httpVersionMinor: this.__res.httpVersionMinor,
headersDistinct: this.__res.headersDistinct,
rawHeaders: this.__res.rawHeaders,
statusMessage: this.__res.statusMessage
};
try {
resJson = JSON.parse(response);
this.__response = resJson;
this.logger.info({
message: 'Received response',
value: resJson
});
}
catch (e) {
this.logger.info({
message: 'Received response',
value: response
});
reject(new InternalServerError(this.__response));
}
finalResponse = __assign(__assign({}, resJson), { http: http });
try {
if (this.__status_code >= 200 && this.__status_code < 300) {
switch (this.__auth_method) {
case 'JWE':
decryptedResponse = this.jweDecryptRequest(resJson);
finalResponse = __assign(__assign({}, decryptedResponse), { http: http });
break;
case 'BASIC':
case 'SIGNATURE':
default:
finalResponse = __assign(__assign({}, resJson), { http: http });
}
return [2 /*return*/, resolve(finalResponse)];
}
else {
statusCode = this.__res.statusCode;
if (statusCode == 400 || statusCode == 404)
return [2 /*return*/, reject(new InvalidRequestError(this.__response))];
else if (statusCode == 401)
return [2 /*return*/, reject(new AuthenticationError(this.__response))];
else if (statusCode == 403)
return [2 /*return*/, reject(new AuthorizationError(this.__response))];
else
return [2 /*return*/, reject(new APIError(this.__response))];
}
}
catch (err) {
reject(new JuspayError(err));
}
return [2 /*return*/];
});
}); });
});
};
HttpResponseHandler.prototype.jweDecryptRequest = function (body) {
var jweAuthConfig = this.__jwe_auth_config;
if (jweAuthConfig == undefined) {
throw new TypeError('Please setup jwe encryption keys to use jwe + jws auth.');
}
var res = security.JWT.jwtDecrypt(body, jweAuthConfig.keyId, jweAuthConfig.publicKey, jweAuthConfig.privateKey);
return JSON.parse(res);
};
return HttpResponseHandler;
}());
export default JuspayResource;
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