Roughly completed Users logic; untested
authorBenjamin Auder <benjamin.auder@somewhere>
Wed, 9 Jan 2019 00:53:59 +0000 (01:53 +0100)
committerBenjamin Auder <benjamin.auder@somewhere>
Wed, 9 Jan 2019 00:53:59 +0000 (01:53 +0100)
.gitignore
config/parameters.js.dist [new file with mode: 0644]
models/User.js
routes/all.js
routes/users.js
utils/mailer.js [moved from utils/mailer.js.dist with 76% similarity]
utils/tokenGenerator.js [new file with mode: 0644]

index 8a553e6..6e4c960 100644 (file)
@@ -17,7 +17,7 @@ pids
 
 # Various files
 /db/vchess.sqlite
-/utils/mailer.js
+/config/parameters.js
 /public/javascripts/socket_url.js
 
 # CSS generated files
diff --git a/config/parameters.js.dist b/config/parameters.js.dist
new file mode 100644 (file)
index 0000000..944a6ee
--- /dev/null
@@ -0,0 +1,25 @@
+var Parameters = { };
+
+// For mail sending. NOTE: *no trailing slash*
+Parameters.siteURL = "http://localhost:3000";
+
+// Lifespan of a (login) cookie
+Parameters.cookieExpire = 183*24*3600*1000; //6 months in milliseconds
+
+// Characters in a login token, and period of validity (in milliseconds)
+Parameters.token = {
+       length: 16,
+       expire: 1000*60*30, //30 minutes in milliseconds
+};
+
+// Email settings
+Parameters.mail = {
+       host: "mail_host_address",
+       port: 465, //if secure; otherwise use 587
+       secure: true, //...or false
+       user: "mail_user_name",
+       pass: "mail_password",
+       contact: "some_contact_email",
+};
+
+module.exports = Parameters;
index 66b1bf5..777eeaa 100644 (file)
@@ -1,5 +1,6 @@
 var db = require("../utils/database");
 var maild = require("../utils/mailer.js");
+var TokenGen = require("../utils/tokenGenerator");
 
 /*
  * Structure:
@@ -32,7 +33,7 @@ exports.getOne = function(by, value, cb)
        db.serialize(function() {
                db.get(
                        "SELECT * FROM Users " +
-                       "WHERE " + by " = " + delimiter + value + delimiter,
+                       "WHERE " + by " = " + delimiter + value + delimiter,
                        callback);
        });
 }
@@ -50,25 +51,37 @@ exports.setLoginToken = function(token, uid, cb)
        });
 }
 
-exports.setSessionToken = function(token, uid, cb)
+// Set session token only if empty (first login)
+// TODO: weaker security (but avoid to re-login everywhere after each logout)
+exports.trySetSessionToken = function(uid, cb)
 {
        // Also empty the login token to invalidate future attempts
        db.serialize(function() {
-               db.run(
-                       "UPDATE Users " +
-                       "SET loginToken = NULL AND sessionToken = " + token + " " +
-                       "WHERE id = " + uid);
+               db.get(
+                       "SELECT sessionToken " +
+                       "FROM Users " +
+                       "WHERE id = " + uid, (err,token) => {
+                               if (!!err)
+                                       return cb(err);
+                               const newToken = token || TokenGen.generate(params.token.length);
+                               db.run(
+                                       "UPDATE Users " +
+                                       "SET loginToken = NULL " +
+                                       (!token ? "AND sessionToken = " + newToken + " " : "") +
+                                       "WHERE id = " + uid);
+                               cb(null, newToken);
+               });
        });
 }
 
-exports.updateSettings = function(name, email, notify, cb)
+exports.updateSettings = function(user, cb)
 {
        db.serialize(function() {
                db.run(
                        "UPDATE Users " +
-                       "SET name = " + name +
-                       " AND email = " + email +
-                       " AND notify = " + notify + " " +
-                       "WHERE id = " + uid);
+                       "SET name = " + user.name +
+                       " AND email = " + user.email +
+                       " AND notify = " + user.notify + " " +
+                       "WHERE id = " + user._id);
        });
 }
index 7c2a6da..3e989f7 100644 (file)
@@ -1,8 +1,11 @@
 var router = require("express").Router();
 
 router.use("/", require("./index"));
-router.use("/", require("./variant"));
+router.use("/", require("./users"));
 router.use("/", require("./problems"));
 router.use("/", require("./messages"));
+//router.use("/", require("./challenge"));
+//router.use("/", require("./playing"));
+router.use("/", require("./variant"));
 
 module.exports = router;
index dd9914e..297072d 100644 (file)
@@ -1,25 +1,23 @@
 var router = require("express").Router();
 var UserModel = require('../models/User');
-var maild = require('../utils/mailer');
+var sendEmail = require('../utils/mailer');
 var TokenGen = require("../utils/tokenGenerator");
 var access = require("../utils/access");
+var params = require("../config/parameters");
 
 // to: object user
 function setAndSendLoginToken(subject, to, res)
 {
        // Set login token and send welcome(back) email with auth link
        let token = TokenGen.generate(params.token.length);
-       UserModel.setLoginToken(token, to._id, to.ip, (err,ret) => {
+       UserModel.setLoginToken(token, to._id, (err,ret) => {
                access.checkRequest(res, err, ret, "Cannot set login token", () => {
-                       maild.send({
-                               from: params.mail.from,
-                               to: to.email,
-                               subject: subject,
-                               body: "Hello " + to.initials + "!\n" +
-                                       "Access your account here: " +
-                                       params.siteURL + "/authenticate?token=" + token + "\\n" +
-                                       "Token will expire in " + params.token.expire/(1000*60) + " minutes."
-                       }, err => {
+                       const body =
+                               "Hello " + to.initials + "!\n" +
+                               "Access your account here: " +
+                               params.siteURL + "/authenticate?token=" + token + "\\n" +
+                               "Token will expire in " + params.token.expire/(1000*60) + " minutes."
+                       sendEmail(params.mail.from, to.email, subject, body, err => {
                                res.json(err || {});
                        });
                });
@@ -36,7 +34,6 @@ router.post('/register', access.unlogged, access.ajax, (req,res) => {
                return res.json({errmsg: error});
        UserModel.create(name, email, (err,user) => {
                access.checkRequest(res, err, user, "Registration failed", () => {
-                       user.ip = req.ip;
                        setAndSendLoginToken("Welcome to " + params.siteURL, user, res);
                });
        });
@@ -45,10 +42,9 @@ router.post('/register', access.unlogged, access.ajax, (req,res) => {
 router.put('/sendtoken', access.unlogged, access.ajax, (req,res) => {
        let email = decodeURIComponent(req.body.email);
        let error = checkObject({email:email}, "User");
-       console.log(email)
        if (error.length > 0)
                return res.json({errmsg: error});
-       UserModel.getByEmail(email, (err,user) => {
+       UserModel.getOne("email", email, (err,user) => {
                access.checkRequest(res, err, user, "Unknown user", () => {
                        setAndSendLoginToken("Token for " + params.siteURL, user, res);
                });
@@ -58,21 +54,18 @@ router.put('/sendtoken', access.unlogged, access.ajax, (req,res) => {
 router.get('/authenticate', access.unlogged, (req,res) => {
        UserModel.getByLoginToken(req.query.token, (err,user) => {
                access.checkRequest(res, err, user, "Invalid token", () => {
-                       if (user.loginToken.ip != req.ip)
-                               return res.json({errmsg: "IP address mismatch"});
-                       let now = new Date();
-                       let tsNow = now.getTime();
+                       let tsNow = Date.now();
                        // If token older than params.tokenExpire, do nothing
-                       if (user.loginToken.timestamp + params.token.expire < tsNow)
+                       if (Date.now() > user.loginTime + params.token.expire)
                                return res.json({errmsg: "Token expired"});
-                       // Generate and update session token + destroy login token
-                       let token = TokenGen.generate(params.token.length);
-                       UserModel.setSessionToken(token, user._id, (err,ret) => {
+                       // Generate session token (if not exists) + destroy login token
+                       UserModel.trySetSessionToken(user._id, (err,token) => {
                                if (!!err)
                                        return res.json(err);
                                // Set cookie
                                res.cookie("token", token, {
                                        httpOnly: true,
+                                       secure: true,
                                        maxAge: params.cookieExpire
                                });
                                res.redirect("/");
@@ -82,11 +75,12 @@ router.get('/authenticate', access.unlogged, (req,res) => {
 });
 
 router.put('/settings', access.logged, access.ajax, (req,res) => {
-       let user = JSON.parse(req.body.user);
-       let error = checkObject(user, "User");
-       if (error.length > 0)
-               return res.json({errmsg: error});
-       user._id = ObjectID(req.user._id);
+       const user = JSON.parse(req.body.user);
+       // TODO: either verify email + name, or re-apply the following logic:
+       //let error = checkObject(user, "User");
+       //if (error.length > 0)
+       //      return res.json({errmsg: error});
+       user._id = req.user._id; //TODO:
        UserModel.updateSettings(user, (err,ret) => {
                access.checkRequest(res, err, ret, "Settings update failed", () => {
                        res.json({});
@@ -94,16 +88,10 @@ router.put('/settings', access.logged, access.ajax, (req,res) => {
        });
 });
 
+// Logout on server because the token cookie is secured + http-only
 router.get('/logout', access.logged, (req,res) => {
-       // TODO: cookie + redirect is enough (https, secure cookie
-       // https://www.information-security.fr/securite-sites-web-lutilite-flags-secure-httponly/ )
-       UserModel.logout(req.cookies.token, (err,ret) => {
-               access.checkRequest(res, err, ret, "Logout failed", () => {
-                       res.clearCookie("token");
-                       req.user = null;
-                       res.redirect('/');
-               });
-       });
+       res.clearCookie("token");
+       res.redirect('/');
 });
 
 module.exports = router;
similarity index 76%
rename from utils/mailer.js.dist
rename to utils/mailer.js
index 06cdc59..c8080b9 100644 (file)
@@ -1,17 +1,16 @@
 const nodemailer = require('nodemailer');
+const params = require("../config/parameters");
 
-const contact = "your_contact_email";
-
-const send = function(from, to, subject, body, cb)
+module.exports = function(from, to, subject, body, cb)
 {
   // Create reusable transporter object using the default SMTP transport
        const transporter = nodemailer.createTransport({
-               host: "smtp_host_address",
-               port: 465, //if secure; otherwise use 587
-               secure: true,
+               host: params.mail.host,
+               port: params.mail.port,
+               secure: params.mail.secure,
                auth: {
-                       user: "user_name",
-                       pass: "user_password"
+                       user: params.mail.user,
+                       pass: params.mail.pass
                }
        });
 
@@ -42,9 +41,4 @@ const send = function(from, to, subject, body, cb)
                //console.log('Message sent: %s', info.messageId);
                return cb();
   });
-};
-
-module.exports = {
-       contact: contact,
-       send: send
-};
+}
diff --git a/utils/tokenGenerator.js b/utils/tokenGenerator.js
new file mode 100644 (file)
index 0000000..5578c2e
--- /dev/null
@@ -0,0 +1,17 @@
+var TokenGen = {};
+
+TokenGen.rand = function()
+{
+       return Math.random().toString(36).substr(2); // remove `0.`
+};
+
+TokenGen.generate = function(tlen)
+{
+       var res = "";
+       var nbRands = Math.ceil(tlen/10); //10 = min length of a rand() string
+       for (var i = 0; i < nbRands; i++)
+               res += TokenGen.rand();
+       return res.substr(0, tlen);
+}
+
+module.exports = TokenGen;