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app.js
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app.js
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const express = require('express');
const helmet = require('helmet');
const bodyParser = require('body-parser');
const expressValidator = require('express-validator');
const customValidators = require('./validators').customValidators;
const app = express();
app.use(helmet({
frameguard: { action: 'deny' }
}));
app.disable('x-powered-by');
// parse application/json
app.use(bodyParser.json());
// parse application/x-www-form-urlencoded
app.use(bodyParser.urlencoded({ extended: true }));
app.use(expressValidator({
customValidators ,
errorFormatter: function (param, message, value) {
var result = {
param: param,
message: message,
value: value
}
return result;
}
}));
//
app.use(express.static('assets'));
app.set('view engine', 'pug');
//CORS middleware
app.use(function (req, res, next) {
res.header("Access-Control-Allow-Origin", "*");
res.header('Access-Control-Allow-Methods', 'GET,PUT,POST,DELETE');
res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
next();
});
// page
app.all('/', (req, res, next) => {
res.render('index');
});
// let get started ...
require('./routes')(app);
// catch 404 and forward to error handler
app.use(function (req, res, next) {
var err = new Error('Not Found');
err.status = 404;
next(err);
});
// error handler
app.use(function (err, req, res, next) {
if (res.headersSent)
return next(err);
req.getValidationResult().then(result => {
if (!result.isEmpty()) {
res.status(400);
return res.json({
message: 'Validation error',
errors: result.array()
});
}
res.status(err.status || 500);
res.json({
message: err.message,
// production error handler
// no stacktraces leaked to user
error: (app.get('env') === 'development' || app.get('env') === 'dev') ? err : {}
});
});
});
module.exports = app;