IPost/server.js
2022-07-31 12:58:27 +02:00

1074 lines
33 KiB
JavaScript

const fs = require("fs");
const util = require('util');
/**
* makes sure that a given folder exists, if it doesn't it creates one for you
* @param {string} path the path of the folder
* @param {permission} mask permission mask for the new folder to have
* @param {Function} cb callback, gives null if the folder exists, otherwise gives the error
* @return {undefined} see: callback
*/
function ensureExists(path, mask, cb) {
if (typeof mask == 'function') { // Allow the `mask` parameter to be optional
cb = mask;
mask = 0o744;
}
fs.mkdir(path, mask, function(err) {
if (err) {
if (err.code == 'EEXIST') cb(null); // Ignore the error if the folder already exists
else cb(err); // Something else went wrong
} else cb(null); // Successfully created folder
});
}
const config = JSON.parse(fs.readFileSync("server_config.json"))
const time = Date.now()
const original_log = console.log
/**
* custom logging function
* @param {number} level importance level if information
* @param {any} info information to format + log
* @return {undefined} returns nothing
*/
function log_info(level, ...info) {
let text = info
if(text == undefined || text.length == 0) {
text = level
level = 5
}
if(config["logs"] && config["logs"]["level"] && config["logs"]["level"] >= level) {
let tolog = `[INFO] [${Date.now()}] : ${util.format(text)} \n`
original_log(tolog) //still has some nicer colors
ensureExists(__dirname + '/logs/', function(err) {
if(err) {
process.stderr.write(tolog) //just write it to stderr
} else {
fs.appendFile(__dirname+"/logs/"+time,tolog,function(err){
if(err){
process.stderr.write(err)
}
})
}
});
}
}
console.log = log_info
console.log(5,"starting up")
const http = require('http');
const https = require('https');
const crypto = require("crypto");
const express = require("express");
const useragent = require('express-useragent');
const fileUpload = require('express-fileupload');
const bodyParser = require("body-parser");
const cookieParser = require('cookie-parser');
const signature = require('cookie-signature')
const mysql = require('mysql');
const WebSocket = require("ws").Server;
const Jimp = require('jimp');
console.log(5,"loaded dependencies")
const router = express.Router();
const app = express();
const HASHES_DB = config.cookies.server_hashes
const HASHES_COOKIE = config.cookies.client_hashes
const HASHES_DIFF = HASHES_DB - HASHES_COOKIE
const DID_I_FINALLY_ADD_HTTPS = true
const con = mysql.createPool({
connectionLimit : config.mysql.connections,
host: config.mysql.host,
user: config.mysql.user,
password: fs.readFileSync(config.mysql.password_file).toString()
});
const dir = __dirname + "/"
const cookiesecret = fs.readFileSync("cookiesecret.txt").toString()
const SHA = require("./extra_modules/SHA.js")
const getIP = require("./extra_modules/getip.js")
/**
* quick function to convert data to base64
* @param {any} data data to encode in base64
* @return {string} base64 encoded data
*/
function b64(data) {
let buff = Buffer.from(data);
return buff.toString('base64');
}
/**
* custom, bad random number generator
* @param {number} seed seed for the number generator, defaults to current timestamp
* @constructor
*/
function RNG(seed) {
if(!seed)seed = Date.now();
this.seed = seed
this.random = function(min,max) {
if(!min)min=0
if(!max){
max=min
min=0
}
this.seed += Math.log(Math.abs(Math.sin(this.seed))*100)
return Math.abs(Math.sin(this.seed))*max + min
}
this.rand = function(min,max) {
return Math.floor(this.random(min,max))
}
}
/**
* waits x ms
* @param {number} ms amount of ms to sleep for
* @return {promise} promise that gets resolved after x ms
*/
function sleep(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
const rand = new RNG()
const genstring_characters =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_";
const genstring_charactersLength = genstring_characters.length;
/**
* generates a semi-random string
* @param {number} length length of string to generate
* @return {string} semi-random string generated
*/
function genstring(length) {
let result = "";
for (let i = 0; i < length; i++) {
result += genstring_characters.charAt(rand.rand(genstring_charactersLength));
}
return result;
}
/**
* handles client errors, used by expressJS
*/
function clientErrorHandler(err, req, res, next) {
if(err) {
if (req.xhr) {
res.status(200).send({ error: 'Something failed!' });
} else {
console.log(1,err);
}
} else {
next()
}
}
/**
* utility function to get a key by its value in an object
* @param {object} object object to get key from
* @param {any} value value to get key from
* @return {any} key to the given value inside the object
*/
function getKeyByValue(object, value) {
return Object.keys(object).find(key => object[key] === value);
}
const unsign = require("./extra_modules/unsign.js")
var API_CALLS = {}
var API_CALLS_ACCOUNT = {}
var USER_CALLS = {}
var SESSIONS = {}
var REVERSE_SESSIONS = {}
var INDIVIDUAL_CALLS = {}
/**
* clears current api call list (per IP)
* @return {undefined} returns nothing
*/
function clear_api_calls() {
API_CALLS = {}
}
/**
* clears current api account call list (per account)
* @return {undefined} returns nothing
*/
function clear_account_api_calls() {
API_CALLS_ACCOUNT = {}
}
/**
* clears current user file call list (per IP)
* @return {undefined} returns nothing
*/
function clear_user_calls() {
USER_CALLS = {}
}
setInterval(clear_api_calls, config.rate_limits.api.reset_time)
setInterval(clear_account_api_calls, config.rate_limits.api.reset_time)
setInterval(clear_user_calls, config.rate_limits.user.reset_time)
function increaseIndividualCall(url,req) { //true = continue, false = ratelimit
let conf = config["rate_limits"]["individual"][url]
if(!conf) {
console.log(5,"uri not in individual ratelimiter",url);
return true;
}
if(!conf["enabled"])return true;
let ip = getIP(req)
if(INDIVIDUAL_CALLS[ip]==undefined)INDIVIDUAL_CALLS[ip] = {}
if(INDIVIDUAL_CALLS[ip][url]==undefined)INDIVIDUAL_CALLS[ip][url] = 0
if(INDIVIDUAL_CALLS[ip][url] == 0) {
setTimeout(function(){
INDIVIDUAL_CALLS[ip][url] = 0
},conf["reset_time"])
}
INDIVIDUAL_CALLS[ip][url]++;
if(INDIVIDUAL_CALLS[ip][url] >= conf["max"]){
console.log(5,"ratelimiting someone on", url, INDIVIDUAL_CALLS[ip][url],conf["max"]);
return false;
}
return true;
}
function increaseAccountAPICall(req,res) {
let cookie = req.cookies.AUTH_COOKIE
if(!cookie){
return true;
}
let unsigned = unsign.unsign(cookie,req,res)
if(!unsigned) {
return true;//if there's no account, why not just ignore it
}
unsigned = decodeURIComponent(unsigned)
if(!unsigned)return false;
let values = unsigned.split(" ")
let username = values[0]
if(API_CALLS_ACCOUNT[username]==undefined)API_CALLS_ACCOUNT[username]=0
if(API_CALLS_ACCOUNT[username] >= config.rate_limits.api.max_per_account) {
res.status(429)
res.send("You are sending way too many api calls!")
return false;
}
return true
}
function increaseAPICall(req,res,next) {
let ip = getIP(req)
if(API_CALLS[ip]==undefined)API_CALLS[ip]=0
if(API_CALLS[ip] >= config.rate_limits.api.max_without_session) {
if(REVERSE_SESSIONS[ip] && req.cookies.session !== REVERSE_SESSIONS[ip]) { //expected a session, but didn't get one
res.status(429)
res.send("You are sending way too many api calls!")
return
}
if(!req.cookies.session){
let session
do {
session = genstring(300)
} while (SESSIONS[session] != undefined);
SESSIONS[session]=ip
REVERSE_SESSIONS[ip]=session
setTimeout(function(){
SESSIONS[session]=undefined
REVERSE_SESSIONS[ip]=undefined
},50000)
res.cookie('session',session, { maxAge: 100000, httpOnly: true, secure: DID_I_FINALLY_ADD_HTTPS });
console.log(3,"sending session to " + ip);
}
}
if(API_CALLS[ip] >= config.rate_limits.api.max_with_session) {
res.status(429)
res.send("You are sending too many api calls!")
console.log(3,"rate limiting " + ip);
return false
}
API_CALLS[ip]++;
if(!increaseAccountAPICall(req,res))return false; //can't forget account-based ratelimits
if(next)next()
return true
}
function increaseUSERCall(req,res,next) {
let ip = getIP(req)
if(USER_CALLS[ip]==undefined)USER_CALLS[ip]=0
if(USER_CALLS[ip] >= config.rate_limits.user.max) {
res.status(429)
res.send("You are sending too many requests!")
console.log(2,"rate limiting " + ip);
return false
}
USER_CALLS[ip]++;
if(next)next()
return true
}
console.log(5,"loading routes")
app.use(useragent.express());
app.use(fileUpload())
app.use(bodyParser.json({ limit: "100mb" }));
app.use(bodyParser.urlencoded({ limit: "100mb", extended: true }));
app.use(clientErrorHandler);
app.use(cookieParser(cookiesecret));
var blocked_headers = [
'HTTP_VIA',
'HTTP_X_FORWARDED_FOR',
'HTTP_FORWARDED_FOR',
'HTTP_X_FORWARDED',
'HTTP_FORWARDED',
'HTTP_CLIENT_IP',
'HTTP_FORWARDED_FOR_IP',
'VIA',
'X_FORWARDED_FOR',
'FORWARDED_FOR',
'X_FORWARDED',
'FORWARDED',
'CLIENT_IP',
'FORWARDED_FOR_IP',
'HTTP_PROXY_CONNECTION'
]
if(!config.disallow_proxies_by_headers) {
blocked_headers = []
}
app.use(function(req,res,next) {
res.set("X-XSS-Protection","1; mode=block")
next()
})
if(DID_I_FINALLY_ADD_HTTPS) {
//auto redirect to https
app.use((req, res, next) => {
if(req.secure){
//already secure
next()
} else {
//redirect to https
res.redirect('https://' + req.headers.host + req.url)
}
})
}
app.use("/*",function(req,res,next){
res.set("x-powered-by","ipost")
for (let i = 0; i < blocked_headers.length; i++) {
if(req.header(blocked_headers[i])!=undefined) {
res.json({"error":"we don't allow proxies on our website."})
return
}
}
let fullurl = req.baseUrl + req.path
if(fullurl != "/") {
fullurl = fullurl.substring(0,fullurl.length-1)
}
if(!increaseIndividualCall(fullurl,req)){
res.status(429)
res.json({"error":"you are sending too many requests!"})
return
}
next()
})
router.get("/",function(req,res) {
if(!increaseUSERCall(req,res))return
res.sendFile(dir+"views/index.html")
})
console.log(5,"finished loading user routes, starting with api routes")
/*
START /API/*
*/
var wss;
var commonfunctions = {
increaseAPICall,
increaseUSERCall,
increaseAccountAPICall,
increaseIndividualCall,
wss,
genstring
}
const toLoad = [
"api/options.js",
"api/all.js",
"api/settingshandler.js",
"api/post.js"
]
for (let i = 0; i < toLoad.length; i++) {
require("./routes/"+toLoad[i]).setup(router,con,commonfunctions)
}
// let options = require("./routes/api/options.js")
// options.setup(router,con,commonfunctions)
// let apiALL = require("./routes/api/all.js")
// apiALL.setup(router,con,commonfunctions)
// let settingshandler = require("./routes/api/settingshandler.js")
// settingshandler.setup(router,con,commonfunctions)
router.get("/api/search", async function(req,res) {
res.set("Access-Control-Allow-Origin","")
let type = req.query.type
let arg = encodeURIComponent(req.query.selector)
if(type=="user") {
let sql = `select User_Name,User_Bio,User_Avatar from ipost.users where User_Name like ? limit 10;`
con.query(sql, [`%${arg}%`], function (err, result) {
if (err) throw err;
if(result[0] && result[0].User_Name) {
res.json(result)
} else {
res.json({"error":"there is no such user!"})
}
});
}else if (type=="post") {
let sql = `select post_user_name,post_text,post_time,post_special_text,post_id from ipost.posts where post_text like ? and (post_receiver_name is null or post_receiver_name = 'everyone') order by post_id desc limit 20;`
con.query(sql, [`%${arg}%`], function (err, result) {
if (err) throw err;
if(result[0]) {
res.json(result)
} else {
res.json({"error":"there is no such post!"})
}
});
} else {
res.json({"error":"invalid type passed along, expected `user` or `post`"})
}
})
router.post("/api/setavatar",function(req,res) {
res.set("Access-Control-Allow-Origin","")
if (!req.files || Object.keys(req.files).length === 0) {
return res.status(400).send('No files were uploaded. (req.files)');
}
let avatar = req.files.avatar;
if(!avatar) {
return res.status(400).send('No files were uploaded. (req.files.)');
}
let DOSbuf = Buffer.from( 'ffd8ffc1f151d800ff51d800ffdaffde', 'hex' ); //causes DOS
if(avatar.data.includes(DOSbuf)) {
console.log(3,"DOS image was caught")
return res.status(400).send('No files were uploaded. (req.files.)');
}
//DOS introduced through jimp (uses jpeg-js)
const avatars = __dirname + '/avatars/'
ensureExists(avatars, function(err) {
if(err) {
return res.status(500).json({"error":"there's been an internal server error."})
}
if(res.locals.avatar) {
fs.unlinkSync(avatars + res.locals.avatar)
}
let filename = genstring(96) + ".png"
while(fs.existsSync(avatars + "/" + filename) || filename == ".png") {
console.log(5,"already have file: ",filename);
original_log("already have file: ",filename)
filename = genstring(96) + ".png"
}
avatar.mv(avatars+"temp_"+filename,function(err) {
if(err) {
return res.status(500).json({"error":"there's been an internal server error."})
}
Jimp.read(avatars+"temp_"+filename).then(function(image){
image.resize(100, 100)
image.write(avatars+filename)
let sql = `update ipost.users set User_Avatar=? where User_Name=?`
con.query(sql, [filename,encodeURIComponent(res.locals.username)], function (err, result) {
if (err) throw err;
res.json({"success":"updated avatar"})
fs.unlinkSync(avatars+"temp_"+filename)
});
})
})
})
})
router.get("/api/getuser",async function(req,res) {
res.json({"username":res.locals.username,"bio":res.locals.bio,"avatar":res.locals.avatar})
})
router.get("/api/getalluserinformation",async function(req,res) {
res.set("Access-Control-Allow-Origin","") //we don't want that here
let unsigned = unsign.getunsigned(req,res)
if(!unsigned)return
unsigned = decodeURIComponent(unsigned)
let sql = `select * from ipost.users where User_Name=? and User_PW=?;`
let values = unsigned.split(" ")
values[1] = SHA.SHA256(values[1],values[0],HASHES_DIFF)
con.query(sql, values, function (err, result) {
if (err) throw err;
if(result[0] && result[0].User_Name && result[0].User_Name == values[0]) {
res.status(200)
res.json(result[0])
} else {
res.status(400)
res.json({"error":"you cannot access the api without being logged in"})
}
});
})
router.get("/api/getotheruser",async function(req,res) {
res.set("Access-Control-Allow-Origin","*")
let username = req.query.user
let sql = `select User_Name,User_Bio,User_Avatar,User_PublicKey from ipost.users where User_Name=?;`
con.query(sql, [username], function (err, result) {
if (err) throw err;
if(result[0] && result[0].User_Name && result[0].User_Name == username) {
res.json({"username":username,"bio":result[0].User_Bio,"avatar":result[0].User_Avatar,"publicKey": result[0].User_PublicKey})
} else {
res.json({"error":"there is no such user!"})
}
});
})
router.get("/api/getPosts/*", async function(req,res) {
res.set("Access-Control-Allow-Origin","")
res.redirect("/api/getPosts")
})
router.get("/api/getPosts", async function(req,res) {
res.set("Access-Control-Allow-Origin","*")
if(req.query.channel != undefined) {
let sql = `select post_user_name,post_text,post_time,post_special_text,post_id,post_from_bot,post_reply_id from ipost.posts where post_receiver_name = ? group by post_id order by post_id desc limit 30;`
con.query(sql, [encodeURIComponent(req.query.channel)], function (err, result) {
if (err) throw err;
res.json(result)
});
} else { //fallback
let sql = `select post_user_name,post_text,post_time,post_special_text,post_id,post_from_bot,post_reply_id from ipost.posts where (post_receiver_name is null or post_receiver_name = 'everyone') group by post_id order by post_id desc limit 30;`
con.query(sql, [], function (err, result) {
if (err) throw err;
res.json(result)
});
}
})
router.get("/api/getPostsLowerThan", async function(req,res) {
res.set("Access-Control-Allow-Origin","*")
if(req.query.channel != undefined) {
let sql = `select post_user_name,post_text,post_time,post_special_text,post_id,post_from_bot,post_reply_id from ipost.posts where ((post_receiver_name = ?) and (post_id < ?)) group by post_id order by post_id desc limit 30;`
con.query(sql, [encodeURIComponent(req.query.channel),req.query.id], function (err, result) {
if (err) throw err;
res.json(result)
});
} else { //fallback
let sql = `select post_user_name,post_text,post_time,post_special_text,post_id,post_from_bot,post_reply_id from ipost.posts where ((post_receiver_name is null or post_receiver_name = 'everyone') and (post_id < ?)) group by post_id order by post_id desc limit 30;`
con.query(sql, [req.query.id], function (err, result) {
if (err) throw err;
res.json(result)
});
}
})
router.get("/api/getPost", async function(req,res) {
res.set("Access-Control-Allow-Origin","*")
let arg = req.query.id
let sql = `select post_user_name,post_text,post_time,post_special_text,post_id,post_from_bot,post_reply_id,post_receiver_name from ipost.posts where post_id=?;`
con.query(sql, [arg], function (err, result) {
if (err) throw err;
if(result[0]) {
res.set('Cache-Control', 'public, max-age=2592000'); //cache it for one month-ish
res.json(result[0])
} else {
res.json({"error":"there is no such post!"})
}
});
})
router.get("/api/getPersonalPosts", async function(req,res) {
res.set("Access-Control-Allow-Origin","")
let sql = `select post_user_name,post_text,post_time,post_special_text,post_id,post_from_bot,post_reply_id from ipost.posts where (post_receiver_name = ?) order by post_id desc;`
con.query(sql, [encodeURIComponent(res.locals.username)], function (err, result) {
if (err) throw err;
res.json(result)
});
})
router.get("/api/getChannels", async function(req,res) {
res.set("Access-Control-Allow-Origin","*")
let sql = `select post_receiver_name from ipost.posts where post_is_private = '0' group by post_receiver_name;`
con.query(sql, [], function (err, result) {
if (err) throw err;
res.json(result)
});
})
router.post("/api/setBio", async function(req,res) {
res.set("Access-Control-Allow-Origin","")
let bio = req.body.Bio
if(!bio){
res.status(400)
res.json({"error":"no bio set!"})
return
}
bio = encodeURIComponent(bio)
if(100 < bio.length) {
res.status(400)
res.json({"error":"the bio is too long!"})
return
}
let sql = `update ipost.users set User_Bio=? where User_Name=?`
con.query(sql, [bio,encodeURIComponent(res.locals.username)], function (err, result) {
if (err) throw err;
res.json({"success":"updated bio"})
});
})
router.post("/api/changePW", async function(req,res) {
res.set("Access-Control-Allow-Origin","")
if((typeof req.body.newPW) != "string") {
res.json({"error":"incorrect password"})
return
}
if((typeof req.body.currentPW) != "string") {
res.json({"error":"incorrect password"})
return
}
if(req.body.newPW.length < 10) {
res.status(400)
res.json({"error":"password is too short"})
return
}
let hashed_pw = SHA.SHA256(req.body.currentPW,res.locals.username,HASHES_DB)
let hashed_new_pw = SHA.SHA256(req.body.newPW,res.locals.username,HASHES_DB)
let sql = `select * from ipost.users where User_Name=? and User_PW=?;`
let values = [res.locals.username,hashed_pw]
con.query(sql, values, function (err, result) {
if (err) throw err;
if(result[0] && result[0].User_Name && result[0].User_Name == res.locals.username) {
let sql = `update ipost.users set User_PW=? where User_Name=? and User_PW=?;`
let values = [hashed_new_pw,res.locals.username,hashed_pw]
con.query(sql, values, function (err, result) {
if (err) throw err;
let ip = getIP(req)
let setTo = res.locals.username + " " + SHA.SHA256(req.body.newPW,res.locals.username,HASHES_COOKIE)
let cookiesigned = signature.sign(setTo, cookiesecret+ip);
res.cookie('AUTH_COOKIE',cookiesigned, { maxAge: Math.pow(10,10), httpOnly: true, secure: DID_I_FINALLY_ADD_HTTPS });
res.json({"success":"successfully changed password"})
})
} else {
res.json({"error":"invalid password"})
}
sent_res = true
});
setTimeout(function(){if(!sent_res)res.json({"error":"timeout"})},3000);
})
router.post("/api/changeUsername", async function(req,res) {
res.set("Access-Control-Allow-Origin","")
if((typeof req.body.newUsername) != "string") {
res.status(400)
res.json({"error":"incorrect username"})
return
}
if((typeof req.body.currentPW) != "string") {
res.status(400)
res.json({"error":"incorrect password"})
return
}
if(100 < req.body.newUsername.length) {
res.status(400)
res.json({"error":"username is too long"})
return
}
if(req.body.newUsername == res.locals.username) {
res.status(400)
res.json({"error":"username can't be the current one"})
return
}
let hashed_pw = SHA.SHA256(req.body.currentPW,res.locals.username,HASHES_DB)
let hashed_new_pw = SHA.SHA256(req.body.currentPW,req.body.newUsername,HASHES_DB)
let sql = `select * from ipost.users where User_Name=?;`
let values = [res.locals.username]
con.query(sql, values, function (err, result) {
if (err) throw err;
if(result[0] && result[0].User_PW == hashed_pw) {
let sql = `update ipost.users set User_PW=?,User_Name=? where User_Name=? and User_PW=?;`
let values = [hashed_new_pw,req.body.newUsername,res.locals.username,hashed_pw]
con.query(sql, values, function (err, result) {
if (err) throw err;
let ip = getIP(req)
let setTo = req.body.newUsername + " " + SHA.SHA256(req.body.currentPW,req.body.newUsername,HASHES_COOKIE)
let cookiesigned = signature.sign(setTo, cookiesecret+ip);
res.cookie('AUTH_COOKIE',cookiesigned, { maxAge: Math.pow(10,10), httpOnly: true, secure: DID_I_FINALLY_ADD_HTTPS });
//updated username in the users table, but not yet on posts
let sql = `update ipost.posts set post_user_name=? where post_user_name=?;`
let values = [req.body.newUsername,res.locals.username,hashed_pw]
con.query(sql, values, function (err, result) {
res.json({"success":"successfully changed username"})
});
})
} else {
res.json({"error":"invalid password"})
}
});
})
/*
END /API/*
*/
router.get("/users/*", async function(req,res) {
if(!increaseUSERCall(req,res))return
res.sendFile(dir + "views/otheruser.html")
})
router.get("/css/*", (request, response) => {
if(!increaseUSERCall(request,response))return
if(fs.existsSync(__dirname + request.originalUrl)){
response.sendFile(__dirname + request.originalUrl);
} else {
response.status(404).send("no file with that name found")
}
return;
});
router.get("/js/*", (request, response) => {
if(!increaseUSERCall(request,response))return
if(fs.existsSync(__dirname + request.originalUrl)){
response.sendFile(__dirname + request.originalUrl);
} else {
response.status(404).send("no file with that name found")
}
return;
});
router.get("/images/*", (request, response) => {
if(!increaseUSERCall(request,response))return
if(fs.existsSync(__dirname + request.originalUrl)){
response.sendFile(__dirname + request.originalUrl);
} else {
response.status(404).send("no file with that name found")
}
return;
});
router.get("/avatars/*", (request, response, next) => {
if(!increaseUSERCall(request,response))return
response.set('Cache-Control', 'public, max-age=2592000'); //cache it for one month-ish
let originalUrl = request.originalUrl.split("?").shift()
if(fs.existsSync(dir + originalUrl + ".png")) {
return response.sendFile(dir + originalUrl + ".png");
}
if(fs.existsSync(dir + originalUrl)) {
return response.sendFile(dir + originalUrl);
}
response.status(404).send("No avatar with that name found")
})
router.get("/logout",async function(req,res) {
res.cookie("AUTH_COOKIE","", { maxAge: 0, httpOnly: true, secure: DID_I_FINALLY_ADD_HTTPS })
res.redirect("/")
})
router.get("/*", (request, response, next) => {
if(!increaseUSERCall(request,response))return
let originalUrl = request.originalUrl.split("?").shift()
if(fs.existsSync(dir + "views/"+originalUrl+".html")) {
return response.sendFile(dir + "views/"+originalUrl+".html");
}
if(fs.existsSync(dir + "views"+originalUrl)) {
return response.sendFile(dir + "views"+originalUrl);
}
if(fs.existsSync(dir + "views"+originalUrl+".html")) {
return response.sendFile(dir + "views"+originalUrl+".html");
}
if(fs.existsSync(dir + "views"+originalUrl)) {
return response.sendFile(dir + "views"+originalUrl);
}
response.status(404).send("No file with that name found")
})
router.post("/register",async function(req,res) {
for (let i = 0; i < 10; i++) { //don't want people spam registering
if(!increaseAPICall(req,res))return;
}
res.status(200)
if((typeof req.body.user) != "string") {
res.json({"error":"incorrect username"})
return
}
if((typeof req.body.pass) != "string") {
res.json({"error":"incorrect password"})
return
}
let username = req.body.user.toString()
username = username.replace(/\s/gi,"")
let password = req.body.pass.toString()
if(!username) {
res.status(400)
res.redirect("/register?success=false&reason=username")
return
}
if(username=="") {
res.status(400)
res.redirect("/register?success=false&reason=username")
return
}
if(password.length < 10) {
res.status(400)
res.send("password is too short")
return
}
if(username.length > 25) {
res.status(400)
res.send("username is too long")
return
}
if(username.search("@")!=-1) {
res.status(400)
res.send("username can't contain @-characters")
return
}
if(!password) {
res.status(400)
res.redirect("/register?success=false&reason=password")
return
}
let userexistssql = `SELECT User_Name from ipost.users where User_Name = ?`
con.query(userexistssql,[encodeURIComponent(username)],function(error,result) {
if(result && result[0] && result[0].User_Name) {
res.status(400)
res.redirect("/register?success=false&reason=already_exists")
return
}
let less_hashed_pw = SHA.SHA256(password,username,HASHES_DIFF)
let hashed_pw = SHA.SHA256(less_hashed_pw,username,HASHES_COOKIE)
let ip = getIP(req)
let setTo = username + " " + SHA.SHA256(password,username,HASHES_COOKIE)
let cookiesigned = signature.sign(setTo, cookiesecret+ip);
ip = SHA.SHA256(ip,setTo,HASHES_DB)
const {
publicKey,
privateKey,
} = crypto.generateKeyPairSync('rsa', {
modulusLength: 4096,
publicKeyEncoding: {
type: 'spki',
format: 'pem'
},
privateKeyEncoding: {
type: 'pkcs8',
format: 'pem',
cipher: 'aes-256-cbc',
passphrase: password
}
});
const default_settings = {}
let values = [encodeURIComponent(username),hashed_pw, Date.now(), ip, ip, publicKey.toString(), privateKey.toString(),JSON.stringify(default_settings)]
let sql = `INSERT INTO ipost.users (User_Name, User_PW, User_CreationStamp, User_CreationIP, User_LastIP, User_PublicKey, User_PrivateKey, User_Settings) VALUES (?, ?, ?, ?, ?, ?, ?, ?);`
con.query(sql, values, function (err, result) {
if (err) throw err;
res.cookie('AUTH_COOKIE',cookiesigned, { maxAge: Math.pow(10,10), httpOnly: true, secure: DID_I_FINALLY_ADD_HTTPS });
res.cookie("priv_key",privateKey.toString(), { maxAge: Math.pow(10,10), httpOnly: false, secure: DID_I_FINALLY_ADD_HTTPS }) //only meant to be used as temporary storage, moved to localStorage on user page
res.redirect("/user?success=true")
});
})
})
router.post("/login",async function(req,res) {
if(!increaseAPICall(req,res))return;
if(!increaseAPICall(req,res))return;
//login is counted twice (think of bruteforces man)
if((typeof req.body.user) != "string") {
res.json({"error":"incorrect username"})
return
}
if((typeof req.body.pass) != "string") {
res.json({"error":"incorrect password"})
return
}
if(!req.body.user){
res.status(400)
res.send("no username given")
return
}
if(!req.body.pass){
res.status(400)
res.send("no password given")
return
}
let username = req.body.user.toString()
username = username.replace(" ","")
let password = req.body.pass.toString()
if(!username) {
res.status(400)
res.send("no username given")
return
}
if(username.length > 25) {
res.status(400)
res.send("username is too long")
return
}
if(password.length < 10) {
res.status(400)
res.send("password is too short")
return
}
if(!password) {
res.status(400)
res.send("no password given")
return
}
let less_hashed_pw = SHA.SHA256(password,username,HASHES_DIFF)
let hashed_pw = SHA.SHA256(less_hashed_pw,username,HASHES_COOKIE)
let userexistssql = `SELECT * from ipost.users where User_Name = ? and User_PW = ?;`
con.query(userexistssql,[encodeURIComponent(username),hashed_pw],function(error,result) {
if(result && result[0]) {
let ip = getIP(req)
let setTo = username + " " + SHA.SHA256(password,username,HASHES_COOKIE)
let cookiesigned = signature.sign(setTo, cookiesecret+ip);
res.cookie('AUTH_COOKIE',cookiesigned, { maxAge: Math.pow(10,10), httpOnly: true, secure: DID_I_FINALLY_ADD_HTTPS });
ip = SHA.SHA256(ip,setTo,HASHES_DB)
if(result[0].User_PublicKey == null) {
const {
publicKey,
privateKey,
} = crypto.generateKeyPairSync('rsa', {
modulusLength: 4096,
publicKeyEncoding: {
type: 'spki',
format: 'pem'
},
privateKeyEncoding: {
type: 'pkcs8',
format: 'pem',
cipher: 'aes-256-cbc',
passphrase: password
}
});
res.cookie("priv_key",privateKey.toString(), { maxAge: Math.pow(10,10), httpOnly: false, secure: DID_I_FINALLY_ADD_HTTPS }) //only meant to be used as temporary storage, moved to localStorage on user page
let sql = `update ipost.users set User_PublicKey=?,User_PrivateKey=? where User_Name = ?;`
con.query(sql,[publicKey.toString(),privateKey.toString(),encodeURIComponent(username)],function(error,result) {
if(error)throw error
})
} else {
res.cookie("priv_key",result[0].User_PrivateKey, { maxAge: Math.pow(10,10), httpOnly: false, secure: DID_I_FINALLY_ADD_HTTPS }) //only meant to be used as temporary storage, moved to localStorage on user page
}
if(result[0].User_LastIP != ip) {
let sql = `update ipost.users set User_LastIP = ? where User_Name = ?;`
con.query(sql,[ip,encodeURIComponent(username)],function(error,result) {
if(error)throw error
})
}
res.redirect("/user?success=true")
} else {
res.redirect("/login?success=false?reason=noUser")
}
});
})
console.log(5,"finished loading routes")
app.use(router)
const httpServer = http.createServer(app);
httpServer.listen(config["ports"]["http"],function(){
console.log(5,"HTTP Server is listening")
});
const privateKey = fs.readFileSync(config["ssl"]["privateKey"]).toString()
const certificate = fs.readFileSync(config["ssl"]["certificate"]).toString()
const credentials = {key: privateKey, cert: certificate};
var httpsServer
if(DID_I_FINALLY_ADD_HTTPS) {
httpsServer = https.createServer(credentials, app);
httpsServer.listen(config["ports"]["https"],function(){
console.log(5,"HTTPS Server is listening")
});
} else {
httpsServer = httpServer
}
wss = new WebSocket({
server: httpsServer,
perMessageDeflate: {
zlibDeflateOptions: {
chunkSize: 1024,
memLevel: 7,
level: 3
},
zlibInflateOptions: {
chunkSize: 10 * 1024
},
clientNoContextTakeover: true,
serverNoContextTakeover: true,
serverMaxWindowBits: 10,
concurrencyLimit: 10,
threshold: 1024 * 16
}
});
wss.on("connection", function connection(ws) {
ws.channel = "everyone"
ws.on("message", function incoming(message) {
message = JSON.parse(message)
if(message.id == "switchChannel") {
ws.channel = decodeURIComponent(message.data)
}
})
})
commonfunctions.wss = wss
console.log(5,"starting up all services")