jspurefix
Version:
pure node js fix engine
195 lines • 9.32 kB
JavaScript
;
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var __param = (this && this.__param) || function (paramIndex, decorator) {
return function (target, key) { decorator(target, key, paramIndex); }
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.HttpAcceptor = void 0;
const factory_1 = require("../factory");
const fix_acceptor_1 = require("../fix-acceptor");
const duplex_1 = require("../duplex");
const express = require("express");
const bodyParser = require("body-parser");
const uuid_1 = require("uuid");
const tsyringe_1 = require("tsyringe");
const di_tokens_1 = require("../../runtime/di-tokens");
let HttpAcceptor = class HttpAcceptor extends fix_acceptor_1.FixAcceptor {
constructor(config) {
var _a, _b, _c, _d;
super((_b = (_a = config === null || config === void 0 ? void 0 : config.description) === null || _a === void 0 ? void 0 : _a.application) !== null && _b !== void 0 ? _b : null);
this.config = config;
this.app = express();
this.nextId = 0;
this.keys = new Map();
this.logger = config.logFactory.logger(`${(_d = (_c = config === null || config === void 0 ? void 0 : config.description) === null || _c === void 0 ? void 0 : _c.application) === null || _d === void 0 ? void 0 : _d.name}:HttpAcceptor`);
this.logger.info('creating http server');
this.router = express.Router();
this.router.use(bodyParser.json());
this.subscribe();
this.app.use('/', this.router);
}
listen() {
var _a, _b;
const app = this.config.description.application;
const port = (_b = (_a = app === null || app === void 0 ? void 0 : app.http) === null || _a === void 0 ? void 0 : _a.port) !== null && _b !== void 0 ? _b : 0;
const logger = this.logger;
logger.info(`start to listen ${port}`);
this.server = this.app.listen(port, () => {
var _a;
logger.info(`app listening at http://localhost:${port}${(_a = app === null || app === void 0 ? void 0 : app.http) === null || _a === void 0 ? void 0 : _a.uri}`);
});
this.server.on('error', (err) => {
logger.error(err);
this.emit('error', err);
});
}
close(callback) {
var _a;
const app = this.config.description.application;
const port = (_a = app === null || app === void 0 ? void 0 : app.http) === null || _a === void 0 ? void 0 : _a.port;
this.logger.info(`close listener on port ${port}`);
this.server.close(callback);
}
saveTransport(tid, transport) {
this.transports[tid] = transport;
const keys = Object.keys(this.transports);
const a = (0, uuid_1.v4)();
this.keys.set(a, transport);
this.logger.info(`new transport id = ${tid} token = ${a} created total transports = ${keys.length}`);
this.emit('transport', transport);
return a;
}
harvestTransport(token, tid) {
delete this.transports[tid];
this.keys.delete(token);
const keys = Object.keys(this.transports);
this.logger.info(`transport ${tid} ends total transports = ${keys.length}`);
}
respond(duplex, response, token = null) {
return __awaiter(this, void 0, void 0, function* () {
return new Promise((resolve, reject) => {
response.setHeader('Content-Type', 'application/json');
const timer = setTimeout(() => {
const businessReject = '<FIXML><BizMsgRej BizRejRsn="4" Txt="no response from application"/></FIXML>';
const b = Buffer.from(businessReject, 'utf-8');
duplex.writable.removeListener('data', transmit);
response.send(b);
reject(new Error('no response'));
}, 5000);
const transmit = (d) => {
this.logger.info('responding to request');
clearTimeout(timer);
if (token) {
response.setHeader('authorization', token);
}
duplex.writable.removeListener('data', transmit);
response.send(d);
resolve(true);
};
duplex.writable.on('data', transmit);
});
});
}
logon(req, res) {
return __awaiter(this, void 0, void 0, function* () {
const body = req.body;
const id = this.nextId++;
this.logger.info(JSON.stringify(body, null, 4));
const d = new duplex_1.StringDuplex('', duplex_1.StringDuplexTraits.None);
const transport = new factory_1.MsgTransport(id, this.config, d);
const token = this.saveTransport(id, transport);
this.respond(d, res, token).then(() => {
this.logger.info('responded to logon');
}).catch((e) => {
this.logger.error(e);
});
d.readable.push(body.fixml);
});
}
logout(req, res) {
var _a;
return __awaiter(this, void 0, void 0, function* () {
const headers = req.headers;
const body = req.body;
const t = this.keys.get((_a = headers === null || headers === void 0 ? void 0 : headers.authorization) !== null && _a !== void 0 ? _a : '');
if (t) {
const token = req.headers.authorization;
if (token) {
this.harvestTransport(token, t.id);
const d = t.duplex;
this.respond(d, res, token).then(() => {
this.logger.info('responded to logout');
t.end();
}).catch((e) => {
this.logger.error(e);
});
d.readable.push(body.fixml);
}
}
});
}
subscribe() {
var _a;
const router = this.router;
const app = this.config.description.application;
const root = (_a = app === null || app === void 0 ? void 0 : app.http) === null || _a === void 0 ? void 0 : _a.uri;
const authorise = `${root}authorise`;
const query = `${root}query`;
this.logger.info(`uri: authorise ${authorise}, query ${query}`);
router.post(authorise, (req, res) => __awaiter(this, void 0, void 0, function* () {
if (!req.headers.authorization) {
this.logger.info('logon');
yield this.logon(req, res);
}
else {
this.logger.info('logout');
yield this.logout(req, res);
}
}));
router.get(query, (req, res) => __awaiter(this, void 0, void 0, function* () {
var _b, _c;
const headers = req.headers;
const body = req.body;
const t = (_c = this.keys.get((_b = headers.authorization) !== null && _b !== void 0 ? _b : '')) !== null && _c !== void 0 ? _c : null;
if (!t) {
this.logger.info('received request with no token');
res.send({
error: 'no key with query'
});
}
else {
const d = t.duplex;
this.respond(d, res).then(() => {
this.logger.info(`responded to ${req.url}`);
}).catch(e => {
res.send(e);
});
d.readable.push(body.fixml);
}
}));
}
};
exports.HttpAcceptor = HttpAcceptor;
exports.HttpAcceptor = HttpAcceptor = __decorate([
(0, tsyringe_1.injectable)(),
__param(0, (0, tsyringe_1.inject)(di_tokens_1.DITokens.IJsFixConfig)),
__metadata("design:paramtypes", [Object])
], HttpAcceptor);
//# sourceMappingURL=http-acceptor.js.map