partner-trugee.js
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var http = require('http');
var url = require('url');
var math = require('mathjs');
var xml = require('xml');
var xml2js = require('xml2js').parseString;
var strftime = require('strftime');
var xor = require('base64-xor');
var request = require('request');
var winston = require('winston');
var config;
var callbackReport;
var aaa;
var logger;
var max_retry = 2;
var sleep_before_retry = 2000;
var trx_balances = {};
var trx_prices = {};
function calculateSignature(password, msisdn, timestamp) {
var a = timestamp + msisdn.substr(msisdn.length - 4);
var b = msisdn.substr(msisdn.length - 4).split('').reverse().join('') + password;
return xor.encode(a,b);
}
function createPayload(task) {
var timestamp = strftime('%H%M%S');
var payload = {
pulsamatic: [
{command: 'TOPUP'},
{vtype: task['remoteProduct']},
{userid: config.h2h_out.userid},
{time: timestamp},
{msisdn: task['destination']},
{trxid: task['requestId']},
{sign: calculateSignature(config.h2h_out.password, task['destination'], timestamp)}
]
};
//console.log(payload);
return "<?xml version=\"1.0\" ?>\n" + xml(payload);
}
function topupRequest(task, retry) {
aaa.insertTaskToMongoDb(task);
var payload_xml = createPayload(task);
var partner = url.parse(config.h2h_out.partner);
var request_options = {
host: partner.hostname,
path: partner.path,
port: partner.port,
method: "POST",
headers: {
'Content-Type': 'text/xml',
'Content-Length': Buffer.byteLength(payload_xml)
}
};
var buffer = "";
logger.info('Requesting to partner', {request_options: request_options});
var req = http.request(request_options, function( res ) {
logger.info('Status code: ' + res.statusCode );
var buffer = "";
res.on( "data", function( data ) { buffer = buffer + data; } );
res.on( "end", function( data ) {
directResponseHandler(buffer, task['requestId']);
});
});
req.on('error', function(e) {
logger.warn('problem with request: ' + e.message);
callbackReport(task['requestId'], '40', e.message);
});
logger.verbose('Sending payload to partner', {payload: payload_xml});
req.write( payload_xml );
req.end();
}
function directResponseHandler(body, request_id) {
logger.info('Got direct response');
xml2js(body, function (err, result) {
if (err) {
if (body == 'Error: MAINTENANCE SYSTEM') {
callbackReport(request_id, '91', body);
} else {
logger.warn('Error parsing xml', {err: err, body: body});
callbackReport(request_id, '40', 'Error parsing xml. ' + err);
}
return;
}
logger.info('Direct response parsed', {result: result});
var response_code = '68';
var request_id = result.pulsamatic.partner_trxid[0].trim();
var message = result.pulsamatic.message[0].trim();
var status = result.pulsamatic.result[0].trim();
if (status === 'failed') {
response_code = '40';
var new_response_code = responseCodeFromMessage(message);
if (new_response_code) {
response_code = new_response_code;
}
}
callbackReport(request_id, response_code, message);
});
}
function responseCodeFromMessage(message) {
if (message.indexOf('Jenis produk tidak cocok') >= 0) {
return '14';
} else if (message.indexOf('GAGAL. Nomor telp salah.') >= 0) {
return '14';
} else if (message.indexOf('GAGAL. MSISDN tidak ditemukan') >= 0) {
return '14';
} else if (message.indexOf('GAGAL. Jenis produk ini sedang gangguan.') >= 0) {
return '13';
}
return;
}
function createServer() {
var httpServer = http.createServer(function(req, res) {
//console.log('Got request from partner ("' + req.url + '")');
res.end('OK');
var qs = url.parse(req.url, true).query;
logger.info('Reverse Report', {qs: qs});
var response_code = '68';
var request_id = qs.pid;
var message = qs.msg;
if (qs.code == 2) {
// gagal
response_code = '40';
} else if (qs.code == 3) {
// refund
response_code = '40';
} else if (qs.code == 4) {
response_code = '00';
message = 'SN=' + qs.sn + ';' + message;
}
if (response_code == '40') {
var new_response_code = responseCodeFromMessage(message);
if (new_response_code) {
response_code = new_response_code;
}
}
callbackReport(request_id, response_code, message);
});
httpServer.listen(config.h2h_out.listen_port, function() {
logger.info('HTTP Reverse/Report server listen on port ' + config.h2h_out.listen_port);
});
}
function start(options) {
if (!options) {
console.log('Undefined options, terminating....');
process.exit(1);
}
if (options.config) {
config = options.config;
} else {
console.log('Undefined options.config, terminating....')
process.exit(1);
}
if (options.aaa) {
aaa = options.aaa;
callbackReport = options.aaa.callbackReportWithPushToMongoDb;
} else {
console.log('Undefined options.aaa, terminating....')
process.exit(1);
}
if (options && options.logger) {
logger = options.logger;
} else {
logger = new winston.Logger({
transports: [
new (winston.transports.Console)()
]
});
}
createServer();
}
exports.start = start;
exports.topupRequest = topupRequest;
exports.calculateSignature = calculateSignature;