29820/backend/src/middlewares/check-permissions.js
2025-03-12 10:42:18 +00:00

65 lines
1.5 KiB
JavaScript

const ValidationError = require('../services/notifications/errors/validation');
/**
* @param {string} permission
* @return {import("express").RequestHandler}
*/
function checkPermissions(permission) {
return (req, res, next) => {
const { currentUser } = req;
if (currentUser) {
if (currentUser.id === req.params.id || currentUser.id === req.body.id) {
next();
return;
}
const userPermission = currentUser.custom_permissions.find(
(cp) => cp.name === permission,
);
if (userPermission) {
next();
} else {
if (!currentUser.app_role) {
return next(new ValidationError('auth.forbidden'));
}
currentUser.app_role
.getPermissions()
.then((permissions) => {
if (permissions.find((p) => p.name === permission)) {
next();
} else {
next(new ValidationError('auth.forbidden'));
}
})
.catch((e) => next(e));
}
} else {
next(new ValidationError('auth.unauthorized'));
}
};
}
const METHOD_MAP = {
POST: 'CREATE',
GET: 'READ',
PUT: 'UPDATE',
PATCH: 'UPDATE',
DELETE: 'DELETE',
};
/**
* @param {string} name
* @return {import("express").RequestHandler}
*/
function checkCrudPermissions(name) {
return (req, res, next) => {
const permissionName = `${METHOD_MAP[req.method]}_${name.toUpperCase()}`;
checkPermissions(permissionName)(req, res, next);
};
}
module.exports = {
checkPermissions,
checkCrudPermissions,
};