gitCodeShare.com/server.ts at master · jsdevkr/gitCodeShare.com · GitHub

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importpassportfrom'passport';
importexpressfrom'express';
importsessionfrom'express-session';
importbodyParserfrom'body-parser';
importcookieParserfrom'cookie-parser';
importpuppeteerfrom'puppeteer';
importmorganfrom'morgan';
importuuidfrom'uuid/v4';
importpathfrom'path';
import{useStaticRendering}from'mobx-react';
import{AuthHandler,GithubHandler,GistHandler,ImageHandler}from'./handlers';

useStaticRendering(true);
process.on('SIGINT',()=>process.exit());

constdev=process.env.NODE_ENV!=='production';
constport=dev ? parseInt(process.env.BACKEND_PORT,10)||3030 : 3000;
constproxyContext=process.env.BACKEND_PROXY_CONTEXT||'/api';

constMemoryStore=require('memorystore')(session);

if(!dev){
constLOGS_ID=`${process.env.LOGS_SECRET_PREFIX}:${process.env.NOW_URL}`;
require('now-logs')(LOGS_ID);
}

constpuppeteerParams=dev
 ? {}
 : {
executablePath: '/usr/bin/chromium-browser',
args: ['--no-sandbox','--disable-dev-shm-usage'],
};

constbrowser: {instance: puppeteer.Browser}={instance: null};
constpuppeteerLaunch=async()=>{
browser.instance=awaitpuppeteer.launch(puppeteerParams);
browser.instance.on('disconnected',puppeteerLaunch);
};

(async()=>{
awaitpuppeteerLaunch();

// set up
constserver=express();
constimageHandler=ImageHandler(browser);

if(dev){
server.use(morgan('tiny'));
}

server.use(cookieParser(process.env.COOKIE_SECRET||'gitCodeShare'));
server.use(bodyParser.json());
server.use(bodyParser.urlencoded({extended: false}));
server.use(
session({
genid: function(){
returnuuid();
},
store: newMemoryStore({
checkPeriod: 86400000,// prune expired entries every 24h
}),
secret: process.env.COOKIE_SECRET||'gitCodeShare',
saveUninitialized: false,// don't create session until something stored,
resave: false,// don't save session if unmodified
cookie: {
signed: true,
maxAge: 1000*60*60*4,
httpOnly: true,
secure: false,
},
}),
);

server.use(passport.initialize());
server.use(passport.session());

server.use(`${proxyContext}/auth`,AuthHandler);
server.use(`${proxyContext}/github`,GithubHandler);
server.use(`${proxyContext}/gists`,GistHandler);
server.use(`${proxyContext}/image`,imageHandler);
// logout
server.get(`${proxyContext}/logout`,(req,res,next)=>{
req.session.destroy(err=>{
if(err){
console.log(err);
returnnext(err);
}
});
req.logout();
res.redirect('/');
});

// production with next
if(!dev){
constnext=require('next');
constapp=next({ dev });
awaitapp.prepare();
consthandle=app.getRequestHandler();

constfilePath=path.join(__dirname,'.next','service-worker.js');
server.get('/service-worker.js',(req,res)=>app.serveStatic(req,res,filePath));
// to next.js
server.get('*',handleasany);
}else{
// redirect to home
server.get('/',(req,res)=>{
res.redirect(`${req.protocol}://${req.hostname}`);
});
}

// error handler
server.use((err,req,res,next)=>{
if(!res.headersSent){
if(typeofres.writeHead==='function'){
res.writeHead(500,{'content-type': 'application/json'});
}
}
constjson={error: 'api_error',reason: err.message};
returnres.end(JSON.stringify(json));
});

server.listen(port,'0.0.0.0',err=>{
if(err){
throwerr;
}
console.log(`> Ready on http://localhost:${port}`);
});
})();