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James Ketrenos 74f1f092ec Authentication working
Signed-off-by: James Ketrenos <james_eikona@ketrenos.com>
2022-04-06 17:33:18 -07:00

335 lines
9.2 KiB
JavaScript
Executable File

"use strict";
const express = require("express"),
config = require("config"),
{ sendVerifyMail, sendPasswordChangedMail, sendVerifiedMail } = require("../lib/mail"),
crypto = require("crypto");
const router = express.Router();
const autoAuthenticate = 1;
let userDB;
require("../db/users.js").then(function(db) {
userDB = db;
});
router.get("/", function(req, res/*, next*/) {
console.log("/users/");
return getSessionUser(req).then((user) => {
return res.status(200).send(user);
}).catch((error) => {
console.log("User not logged in: " + error);
return res.status(200).send({});
});
});
router.put("/password", function(req, res) {
console.log("/users/password");
const changes = {
currentPassword: req.query.c || req.body.c,
newPassword: req.query.n || req.body.n
};
if (!changes.currentPassword || !changes.newPassword) {
return res.status(400).send("Missing current password and/or new password.");
}
if (changes.currentPassword == changes.newPassword) {
return res.status(400).send("Attempt to set new password to current password.");
}
return getSessionUser(req).then(function(user) {
return userDB.sequelize.query("SELECT id FROM users " +
"WHERE uid=:username AND password=:password", {
replacements: {
username: user.username,
password: crypto.createHash('sha256').update(changes.currentPassword).digest('base64')
},
type: userDB.Sequelize.QueryTypes.SELECT,
raw: true
}).then(function(users) {
if (users.length != 1) {
return null;
}
return user;
});
}).then(function(user) {
if (!user) {
console.log("Invalid password");
/* Invalid password */
res.status(401).send("Invalid password");
return null;
}
return userDB.sequelize.query("UPDATE users SET password=:password WHERE uid=:username", {
replacements: {
username: user.username,
password: crypto.createHash('sha256').update(changes.newPassword).digest('base64')
}
}).then(function() {
console.log("Password changed for user " + user.username + " to '" + changes.newPassword + "'.");
res.status(200).send(user);
user.id = req.session.userId;
return sendPasswordChangedMail(userDB, req, user);
});
});
});
router.get("/csrf", (req, res) => {
console.log("/users/csrf");
res.json({ csrfToken: req.csrfToken() });
});
router.post("/signup", function(req, res) {
console.log("/users/signup");
const user = {
uid: req.body.email,
familyName: req.body.familyName,
firstName: req.body.firstName,
password: req.body.password,
email: req.body.email,
};
if (!user.uid
|| !user.email
|| !user.password
|| !user.familyName
|| !user.firstName) {
return res.status(400).send({
message: `Missing email address, password, and/or name.`
});
}
user.password = crypto.createHash('sha256')
.update(user.password).digest('base64');
user.md5 = crypto.createHash('md5')
.update(user.email).digest('base64');
return userDB.sequelize.query("SELECT * FROM users WHERE uid=:uid", {
replacements: user,
type: userDB.Sequelize.QueryTypes.SELECT,
raw: true
}).then(async function(results) {
if (results.length != 0 && results[0].mailVerified) {
return res.status(400).send({
message: `Email address already used.`
});
}
let re = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
if (!re.exec(user.email)) {
const error = `Invalid email address: ${user.email}.`;
console.log(error);
return res.status(401).send({
message: error
});
}
try {
if (results.length != 0) {
await userDB.sequelize.query("UPDATE users " +
"SET mailVerified=0");
req.session.userId = results[0].id;
} else {
let [, metadata] = await userDB.sequelize.query("INSERT INTO users " +
"(uid,firstName,familyName,password,email,memberSince," +
"authenticated,md5) " +
`VALUES(:uid,:firstName,:familyName,:password,` +
`:email,CURRENT_TIMESTAMP,${autoAuthenticate},:md5)`, {
replacements: user
});
req.session.userId = metadata.lastID;
}
return getSessionUser(req).then(function(user) {
res.status(200).send(user);
user.id = req.session.userId;
return sendVerifyMail(userDB, req, user);
});
} catch (error) {
console.error(error);
}
});
});
const getSessionUser = function(req) {
return Promise.resolve().then(function() {
if (!req.session || !req.session.userId) {
throw "Unauthorized. You must be logged in.";
}
let query = "SELECT " +
"uid AS username,firstName,familyName,mailVerified,authenticated,memberSince,email,md5 " +
"FROM users WHERE id=:id";
return userDB.sequelize.query(query, {
replacements: {
id: req.session.userId
},
type: userDB.Sequelize.QueryTypes.SELECT,
raw: true
}).then(function(results) {
if (results.length != 1) {
throw "Invalid account.";
}
let user = results[0];
if (!user.mailVerified) {
user.restriction = user.restriction || "Email address not verified.";
return user;
}
if (!user.authenticated) {
user.restriction = user.restriction || "Accout not authorized.";
return user;
}
return user;
});
}).then(function(user) {
/* Strip out any fields that shouldn't be there. The allowed fields are: */
let allowed = [
"maintainer", "username", "firstName", "familyName", "mailVerified", "authenticated", "name", "email", "restriction", "md5"
];
for (let field in user) {
if (allowed.indexOf(field) == -1) {
delete user[field];
}
}
return user;
});
}
router.post("/verify-email", async (req, res) => {
console.log("/users/verify-email");
const key = req.body.token;
let results = await userDB.sequelize.query(
"SELECT * FROM authentications WHERE key=:key", {
replacements: { key },
type: userDB.sequelize.QueryTypes.SELECT
});
let token;
if (results.length == 0) {
console.log("Invalid key. Ignoring.");
return res.status(400).send({
message: `Invalid authentication token.`
});
}
token = results[0];
console.log(token);
console.log("Matched token: " + JSON.stringify(token, null, 2));
switch (token.type) {
case "account-setup":
return userDB.sequelize.query(
"UPDATE users SET mailVerified=1 WHERE id=:userId", {
replacements: token
})
.then(function () {
return userDB.sequelize.query(
"DELETE FROM authentications WHERE key=:key", {
replacements: { key }
});
})
.then(function () {
return userDB.sequelize.query(
"SELECT * FROM users WHERE id=:userId", {
replacements: token,
type: userDB.sequelize.QueryTypes.SELECT
});
})
.then(function (results) {
if (results.length == 0) {
return res.status(500).send({
message: `Internal authentication error.`
});
}
return results[0];
})
.then((user) => {
sendVerifiedMail(userDB, req, user);
req.session.userId = user.id;
}).then(function (user) {
return getSessionUser(req).then(function (user) {
return res.status(200).send(user);
});
});
}
});
router.post("/signin", function(req, res) {
console.log("/users/signin");
let { email, password } = req.body;
if (!email || !password) {
return res.status(400).send({
message: `Missing email and/or password`
});
}
console.log("Looking up user in DB.");
let query = "SELECT " +
"id,mailVerified,authenticated," +
"uid AS username," +
"familyName,firstName,email " +
"FROM users WHERE uid=:username AND password=:password";
return userDB.sequelize.query(query, {
replacements: {
username: email,
password: crypto.createHash('sha256').update(password).digest('base64')
},
type: userDB.Sequelize.QueryTypes.SELECT
})
.then(function(users) {
if (users.length != 1) {
return null;
}
let user = users[0];
req.session.userId = user.id;
return user;
})
.then(function(user) {
if (!user) {
console.log(email + " not found (or invalid password.)");
req.session.userId = null;
return res.status(401).send({
message: `Invalid sign in credentials`
});
}
let message = "Logged in as " + user.email + " (" + user.id + ")";
if (!user.mailVerified) {
console.log(message + ", who is not verified email.");
} else if (!user.authenticated) {
console.log(message + ", who is not authenticated.");
} else {
console.log(message);
}
return getSessionUser(req).then(function(user) {
return res.status(200).send(user);
});
})
.catch(function(error) {
console.log(error);
return res.status(403).send(error);
});
});
router.post("/signout", (req, res) => {
console.log("/users/signout");
if (req.session && req.session.userId) {
req.session.userId = null;
}
res.status(200).send({});
});
module.exports = router;