const express = require('express'); const common = require('../lib/common'); const { restrict } = require('../lib/auth'); const colors = require('colors'); const bcrypt = require('bcryptjs'); const router = express.Router(); router.get('/admin/users', restrict, async (req, res) => { const db = req.app.db; const users = await db.users.find({}, { projection: { userPassword: 0 } }).toArray(); if(req.apiAuthenticated){ res.status(200).json(users); return; } res.render('users', { title: 'Users', users: users, admin: true, config: req.app.config, isAdmin: req.session.isAdmin, helpers: req.handlebars.helpers, session: req.session, message: common.clearSessionValue(req.session, 'message'), messageType: common.clearSessionValue(req.session, 'messageType') }); }); // edit user router.get('/admin/user/edit/:id', restrict, async (req, res) => { const db = req.app.db; const user = await db.users.findOne({ _id: common.getId(req.params.id) }); // Check user is found if(!user){ if(req.apiAuthenticated){ res.status(400).json({ message: 'User not found' }); return; } req.session.message = 'User not found'; req.session.messageType = 'danger'; res.redirect('/admin/users'); return; } // if the user we want to edit is not the current logged in user and the current user is not // an admin we render an access denied message if(user.userEmail !== req.session.user && req.session.isAdmin === false){ if(req.apiAuthenticated){ res.status(400).json({ message: 'Access denied' }); return; } req.session.message = 'Access denied'; req.session.messageType = 'danger'; res.redirect('/admin/users'); return; } res.render('user_edit', { title: 'User edit', user: user, admin: true, session: req.session, message: common.clearSessionValue(req.session, 'message'), messageType: common.clearSessionValue(req.session, 'messageType'), helpers: req.handlebars.helpers, config: req.app.config }); }); // users new router.get('/admin/user/new', restrict, (req, res) => { res.render('user_new', { title: 'User - New', admin: true, session: req.session, helpers: req.handlebars.helpers, message: common.clearSessionValue(req.session, 'message'), messageType: common.clearSessionValue(req.session, 'messageType'), config: req.app.config }); }); // delete user router.get('/admin/user/delete/:id', restrict, async (req, res) => { const db = req.app.db; // userId if(req.session.isAdmin !== true){ if(req.apiAuthenticated){ res.status(400).json({ message: 'Access denied' }); return; } req.session.message = 'Access denied.'; req.session.messageType = 'danger'; res.redirect('/admin/users'); return; } // Cannot delete your own account if(req.session.userId === req.params.id){ if(req.apiAuthenticated){ res.status(400).json({ message: 'Unable to delete own user account' }); return; } req.session.message = 'Unable to delete own user account.'; req.session.messageType = 'danger'; res.redirect('/admin/users'); return; } const user = await db.users.findOne({ _id: common.getId(req.params.id) }); // If user is not found if(!user){ if(req.apiAuthenticated){ res.status(400).json({ message: 'User not found.' }); return; } req.session.message = 'User not found.'; req.session.messageType = 'danger'; res.redirect('/admin/users'); return; } // Cannot delete the original user/owner if(user.isOwner){ if(req.apiAuthenticated){ res.status(400).json({ message: 'Access denied.' }); return; } req.session.message = 'Access denied.'; req.session.messageType = 'danger'; res.redirect('/admin/users'); return; } try{ await db.users.deleteOne({ _id: common.getId(req.params.id) }, {}); if(req.apiAuthenticated){ res.status(200).json({ message: 'User deleted.' }); return; } req.session.message = 'User deleted.'; req.session.messageType = 'success'; res.redirect('/admin/users'); }catch(ex){ console.log('Failed to delete user', ex); if(req.apiAuthenticated){ res.status(200).json({ message: 'Cannot delete user' }); return; } req.session.message = 'Cannot delete user'; req.session.messageType = 'danger'; res.redirect('/admin/users'); }; }); // update a user router.post('/admin/user/update', restrict, async (req, res) => { const db = req.app.db; let isAdmin = req.body.user_admin === 'on'; // get the user we want to update const user = await db.users.findOne({ _id: common.getId(req.body.userId) }); // If user not found if(!user){ if(req.apiAuthenticated){ res.status(400).json({ message: 'User not found' }); return; } req.session.message = 'User not found'; req.session.messageType = 'danger'; res.redirect('/admin/users'); return; } // If the current user changing own account ensure isAdmin retains existing if(user.userEmail === req.session.user){ isAdmin = user.isAdmin; } // if the user we want to edit is not the current logged in user and the current user is not // an admin we render an access denied message if(user.userEmail !== req.session.user && req.session.isAdmin === false){ if(req.apiAuthenticated){ res.status(400).json({ message: 'Access denied' }); return; } req.session.message = 'Access denied'; req.session.messageType = 'danger'; res.redirect('/admin/users'); return; } // create the update doc const updateDoc = {}; updateDoc.isAdmin = isAdmin; updateDoc.usersName = req.body.usersName; if(req.body.userPassword){ updateDoc.userPassword = bcrypt.hashSync(req.body.userPassword); } try{ await db.users.updateOne( { _id: common.getId(req.body.userId) }, { $set: updateDoc }, { multi: false } ); if(req.apiAuthenticated){ res.status(200).json({ message: 'User account updated.' }); return; } // show the view req.session.message = 'User account updated.'; req.session.messageType = 'success'; res.redirect('/admin/user/edit/' + req.body.userId); }catch(ex){ if(req.apiAuthenticated){ res.status(400).json({ message: 'Failed to update user' }); return; } console.error(colors.red('Failed updating user: ' + ex)); req.session.message = 'Failed to update user'; req.session.messageType = 'danger'; res.redirect('/admin/user/edit/' + req.body.userId); } }); // insert a user router.post('/admin/user/insert', restrict, async (req, res) => { const db = req.app.db; // set the account to admin if using the setup form. Eg: First user account const urlParts = new URL(req.header('Referer')); // Check number of users const userCount = await db.users.countDocuments({}); let isAdmin = false; // if no users, setup user as admin if(userCount === 0){ isAdmin = true; } const doc = { usersName: req.body.usersName, userEmail: req.body.userEmail, userPassword: bcrypt.hashSync(req.body.userPassword, 10), isAdmin: isAdmin }; // check for existing user const user = await db.users.findOne({ userEmail: req.body.userEmail }); if(user){ if(req.apiAuthenticated){ res.status(400).json({ message: 'A user with that email address already exists' }); return; } // user already exists with that email address console.error(colors.red('Failed to insert user, possibly already exists')); req.session.message = 'A user with that email address already exists'; req.session.messageType = 'danger'; res.redirect('/admin/user/new'); return; } // email is ok to be used. try{ await db.users.insertOne(doc); // if from setup we add user to session and redirect to login. // Otherwise we show users screen if(urlParts.path === '/admin/setup'){ req.session.user = req.body.userEmail; res.redirect('/admin/login'); return; } if(req.apiAuthenticated){ res.status(200).json({ message: 'User account inserted' }); return; } req.session.message = 'User account inserted'; req.session.messageType = 'success'; res.redirect('/admin/users'); }catch(ex){ if(req.apiAuthenticated){ res.status(400).json({ message: 'New user creation failed' }); return; } console.error(colors.red('Failed to insert user: ' + ex)); req.session.message = 'New user creation failed'; req.session.messageType = 'danger'; res.redirect('/admin/user/new'); } }); module.exports = router;