advice-push-server.js
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const MODULE_NAME = 'KOMODO-SDK.GATEWAY.ADVICE-PUSH-SERVER';
const express = require('express');
const bodyParser = require('body-parser');
const logger = require('tektrans-logger');
const config = require('../config');
const app = express();
let partner = null;
function setPartner(_partner) {
partner = _partner;
if (
!config
|| !config.push_server
|| !config.push_server.apikey
|| !config.push_server.advice
|| !config.push_server.advice.url
|| !config.push_server.advice.port) {
return;
}
app.listen(config.push_server.advice.port, () => {
logger.info(`${MODULE_NAME} 7C994547: Listening`, {
port: config.push_server.advice.port,
});
});
}
function isValidApikey(req, res, next) {
const { xid } = res.locals;
if (
config.push_server
&& config.push_server.apikey
&& (req.params.apikey === config.push_server.apikey)
) {
next();
} else {
logger.verbose(`${MODULE_NAME} 22222BF5: Invalid APIKEY`, { xid });
res.end('INVALID_APIKEY');
}
}
function adviceHandler(req, res) {
const { xid } = res.locals;
if (!partner) {
logger.warn(`${MODULE_NAME} 58FACCD9: Undefined partner, skipped`, { xid });
res.end('UNDEFINED_PARTNER');
return;
}
if (!partner.advice) {
logger.warn(`${MODULE_NAME} 73E745A0: Partner does not have ADVICE capabilities`, { xid });
res.end('UNSUPPORTED');
return;
}
const task = req.body;
if (!task || !task.trx_id || !task.destination || !task.product) {
logger.warn(`${MODULE_NAME} DABD50A5: Invalid task`, { xid, task });
res.end('INVALID_TASK');
return;
}
res.end('OK');
logger.verbose(`${MODULE_NAME} DB27D06B: Got advice push`, { xid, task });
task.remote_product = config.remote_products[task.product] || task.product;
if (Number(config.sdk_trx_id_adder)) {
task.trx_id = Number(task.trx_id) + Number(config.sdk_trx_id_adder);
}
partner.advice(task);
}
app.use(bodyParser.json());
app.use('/apikey/:apikey', isValidApikey);
app.use('/apikey/:apikey/advice', adviceHandler);
exports.setPartner = setPartner;