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49 lines
1.3 KiB
JavaScript
49 lines
1.3 KiB
JavaScript
// Adapted from https://github.com/expressjs/csurf, which is
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// licensed under the MIT license; see file LICENSE.
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var cookieParser = require('cookie-parser')
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var csrf = require('csurf')
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var bodyParser = require('body-parser')
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var express = require('express')
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// create express app
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var app = express()
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// create api router
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var api = createApiRouter()
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// mount api before csrf is appended to the app stack
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app.use('/api', api)
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// now add csrf and other middlewares, after the "/api" was mounted
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app.use(bodyParser.urlencoded({ extended: false }))
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app.use(cookieParser())
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app.use(csrf({ cookie: true }))
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app.get('/form', function (req, res) {
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let newEmail = req.cookies["newEmail"];
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// pass the csrfToken to the view
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res.render('send', { csrfToken: req.csrfToken() })
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})
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app.post('/process', function (req, res) {
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let newEmail = req.cookies["newEmail"];
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res.send('csrf was required to get here')
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})
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function createApiRouter () {
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var router = new express.Router()
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router.post('/getProfile', function (req, res) { // OK - cookies are not parsed
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let newEmail = req.cookies["newEmail"];
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res.send('no csrf to get here')
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})
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router.post('/getProfile_unsafe', cookieParser(), function (req, res) { // $ Alert - may use cookies
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let newEmail = req.cookies["newEmail"];
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res.send('no csrf to get here')
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}) // $ RelatedLocation
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return router
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}
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