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verifyRegister.js Authentication JWT Node.js
const db = require("../models");
const User = db.user;
checkDuplicateUsernameOrEmail = (req, res, next) => {
// Username
User.findOne({
where: {
username: req.body.username
}
}).then(user => {
if (user) {
res.status(400).send({
message: "Failed! Username is already in use!"
});
return;
}
// Email
User.findOne({
where: {
email: req.body.email
}
}).then(user => {
if (user) {
res.status(400).send({
message: "Failed! Email is already in use!"
});
return;
}
next();
});
});
};
checkRolesExisted = (req, res, next) => {
if (req.body.roles) {
for (let i = 0; i < req.body.roles.length; i++) {
if (!ROLES.includes(req.body.roles[i])) {
res.status(400).send({
message: "Failed! Role does not exist = " + req.body.roles[i]
});
return;
}
}
}
next();
};
const verifyRegister = {
checkDuplicateUsernameOrEmail: checkDuplicateUsernameOrEmail,
checkRolesExisted: checkRolesExisted
};
module.exports = verifyRegister;
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