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const bcrypt = require("bcryptjs")
const jwt = require("jsonwebtoken")
const tokenBlacklistModel = require("../models/blacklist.model")
/**
* @name registerUserController
* @description register a new user, expects username, email and password in the request body
* @access Public
*/
async function registerUserController(req, res) {
try {
const { username, email, password } = req.body
if (!username || !email || !password) {
return res.status(400).json({
message: "Please provide username, email and password"
})
}
const isUserAlreadyExists = await userModel.findOne({
$or: [ { username }, { email } ]
})
if (isUserAlreadyExists) {
if (isUserAlreadyExists.email === email) {
return res.status(400).json({
message: "Account already exists with this email address"
})
}
if (isUserAlreadyExists.username === username) {
return res.status(400).json({
message: "Account already exists with this username"
})
}
}
const hash = await bcrypt.hash(password, 10)
const user = await userModel.create({
username,
email,
password: hash
})
res.status(201).json({
message: "User registered successfully",
user: {
id: user._id,
username: user.username,
email: user.email
}
})
} catch (err) {
console.error("registerUserController error:", err)
res.status(500).json({ message: "Registration failed. Please try again." })
}
}
/**
* @name loginUserController
* @description login a user, expects email and password in the request body
* @access Public
*/
async function loginUserController(req, res) {
try {
const { email, password } = req.body
const user = await userModel.findOne({ email })
if (!user) {
return res.status(400).json({
message: "Invalid email or password"
})
}
const isPasswordValid = await bcrypt.compare(password, user.password)
if (!isPasswordValid) {
return res.status(400).json({
message: "Invalid email or password"
})
}
const token = jwt.sign(
{ id: user._id, username: user.username },
process.env.JWT_SECRET,
{ expiresIn: "1d" }
)
res.cookie("token", token, { httpOnly: true, sameSite: "none", secure: true })
res.status(200).json({
message: "User loggedIn successfully.",
user: {
id: user._id,
username: user.username,
email: user.email
}
})
} catch (err) {
console.error("loginUserController error:", err)
res.status(500).json({ message: "Login failed. Please try again." })
}
}
/**
* @name logoutUserController
* @description clear token from user cookie and add the token in blacklist
* @access public
*/
async function logoutUserController(req, res) {
const token = req.cookies.token
if (token) {
await tokenBlacklistModel.create({ token })
}
res.clearCookie("token", { httpOnly: true, sameSite: "none", secure: true })
res.status(200).json({
message: "User logged out successfully"
})
}
/**
* @name getMeController
* @description get the current logged in user details.
* @access private
*/
async function getMeController(req, res) {
const user = await userModel.findById(req.user.id)
res.status(200).json({
message: "User details fetched successfully",
user: {
id: user._id,
username: user.username,
email: user.email
}
})
}
module.exports = {
registerUserController,
loginUserController,
logoutUserController,
getMeController
} |