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app.js
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app.js
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var express = require("express")
var path = require("path")
var favicon = require("serve-favicon")
var logger = require("morgan")
var passport = require("passport")
var bodyParser = require("body-parser")
const db = require("./models/database")
const api_routes = require("./routes/api")
const sessionParser = require("./config/session")
var app = express()
// disable etag generating for every route
// it should not be used for API that change with every request either way
app.set("etag", false)
// require the config json from filesystem
// save all configurable parameters to that file
var config = require(path.join(__dirname, "config", "config.json"))
// view engine setup
app.set("views", path.join(__dirname, "views"))
app.set("view engine", "ejs")
app.use(favicon(path.join(__dirname, "public", "favicon.ico")))
// set parsing of urlencoded and json encoded body parameters
app.use(bodyParser.urlencoded({ extended: true }))
app.use(bodyParser.json())
// add session middleware
// this will add sessionId to every response and retieve it from every request
// the session is stored into cookie and TODO: mariadb
app.use(sessionParser)
// add passport middleware
// responsible of handling the user authorization to the system
// the passport is configured in ./config/passport.js module
app.use(passport.initialize())
app.use(passport.session()) // persistent login sessions
api_routes(app)
const auth = require("./controllers/auth")
auth.setUp(app)
// handling of static files
app.use(express.static(path.join(__dirname, "public")))
// log everything except api calls
app.use(logger("dev"))
// 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) {
// set locals, only providing error in development
res.locals.message = err.message
res.locals.error = req.app.get("env") === "development" ? err : {}
// render the error page
res.status(err.status || 500)
res.render("error")
})
module.exports = app