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app.js
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app.js
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"use strict";
const createError = require('http-errors');
const express = require('express');
const cookieParser = require('cookie-parser');
const logger = require('morgan');
const helmet = require('helmet');
const useragent = require('express-useragent');
// APIs
const indexRouter = require('./routes/index');
const app = express();
app.use(helmet({
contentSecurityPolicy: false
}));
app.use(express.json({ limit: process.env.APP_NETWORK_REQUEST_LIMIT, extended: true }));
app.use(express.urlencoded({ limit: process.env.APP_NETWORK_REQUEST_LIMIT, extended: true }));
app.use(logger('dev'));
app.use(cookieParser());
app.use(useragent.express());
app.use(function(req, res, next) {
res.header("Access-Control-Allow-Origin", "*");
res.header('Access-Control-Allow-Methods', "*");
res.header("Access-Control-Allow-Headers", "*");
if ('OPTIONS' === req.method) {
res.sendStatus(200);
} else {
next();
}
});
// API ===
app.use('/', indexRouter);
// catch 404 and forward to error handler
app.use(function(req, res, next) {
next(createError(404));
});
// Error handler
app.use(function(err, req, res, next) {
console.log('');
console.log('===============================================================');
console.log(err);
console.log('===============================================================');
console.log('');
res.status(err.status || 500);
res.json({
success: false,
message: err.message
});
});
module.exports = app;