HackMD/lib/web/userRouter.js
Sheogorath 70df29790a
Add token based security feature
In the current setup users could be tricked into deleting their data by
providing a malicious link like `[click me](/me/delete)`. This commit
prevents such an easy attack and need the user's deleteToken to get his
data deleted. In case someone requests his deletion by email you can
also ask him for this token.

We can add a GUI that shows it later on.

Signed-off-by: Sheogorath <sheogorath@shivering-isles.com>
2018-05-25 18:26:06 +02:00

72 lines
1.8 KiB
JavaScript

'use strict'
const Router = require('express').Router
const response = require('../response')
const config = require('../config')
const models = require('../models')
const logger = require('../logger')
const {generateAvatar} = require('../letter-avatars')
const UserRouter = module.exports = Router()
// get me info
UserRouter.get('/me', function (req, res) {
if (req.isAuthenticated()) {
models.User.findOne({
where: {
id: req.user.id
}
}).then(function (user) {
if (!user) { return response.errorNotFound(res) }
var profile = models.User.getProfile(user)
res.send({
status: 'ok',
id: req.user.id,
name: profile.name,
photo: profile.photo
})
}).catch(function (err) {
logger.error('read me failed: ' + err)
return response.errorInternalError(res)
})
} else {
res.send({
status: 'forbidden'
})
}
})
// delete the currently authenticated user
UserRouter.get('/me/delete/:token?', function (req, res) {
if (req.isAuthenticated()) {
models.User.findOne({
where: {
id: req.user.id
}
}).then(function (user) {
if (!user) {
return response.errorNotFound(res)
}
if (user.deleteToken === req.params.token) {
user.destroy().then(function () {
res.redirect(config.serverURL + '/')
})
} else {
return response.errorForbidden(res)
}
}).catch(function (err) {
logger.error('delete user failed: ' + err)
return response.errorInternalError(res)
})
} else {
return response.errorForbidden(res)
}
})
UserRouter.get('/user/:username/avatar.svg', function (req, res, next) {
res.setHeader('Content-Type', 'image/svg+xml')
res.setHeader('Cache-Control', 'public, max-age=86400')
res.send(generateAvatar(req.params.username))
})