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A Token Walks into SPA !" 1

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! Nacho Anaya @ianaya89 • JavaScript Engineer @BloqInc • Ambassador @Auth0 • Organizer @Vuenos_Aires 2

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⚠ 3

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Why Tokens? ! 4

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! Stateless 10

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! JSON Web Tokens JWT 11

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header.payload.signature + Base64 12

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! Header { "alg": "HS256", "typ": "JWT" } 14

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! Payload { "iss": "https://api.website.com", "exp": 1510745797148, "role": "root", "name": "John Doe" } 15

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! Payload { "iss": "https://api.website.com", "exp": 1510745797148, "role": "root", "name": "John Doe" } 16

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✍ Signature const data = base64urlEncode( header ) + '.' + base64urlEncode( payload ) HMACSHA256(data, 'your_secret_message') 17

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✍ Signature const data = base64urlEncode( header ) + '.' + base64urlEncode( payload ) HMACSHA256(data, 'your_secret_message') 18

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! 20

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! nhl.com 24

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! Not really... 31

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! Store the token 32

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localStorage 33

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! Silent Auth 35

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! 37

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! JWT Considera.ons 38

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! Vue Router const router = new Router({ routes: [{ path: '/', component: Home }, { path: '/tickets', component: Ticket, meta: { isPublic: false, permission: 'write' } }] }) 39

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! Vue Router router.beforeEach((to, from, next) => { // resolve auth // check if page is public // check if user has permission next() }) 40

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! HTTP Interpectors // Example using axios axios.interceptors.request.use( config => { config.headers.authorization = 'Bearer ...' return config }, error => Promise.reject(error) ) 41

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! Vuex export default new Vuex.Store({ state: { token: 'Bearer ...' user : {} } }) 42

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! Resources • jwt.io • JWT Handbook • JWT Algorithms • Post about Silent Auth 43

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! Take Away 44

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! Thanks! @ianaya89 45