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feat: Publishing serviceEndpoint to DID Doc
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| secrets |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| import * as Daf from 'daf-core' | ||
| import { core } from './framework' | ||
|
|
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| export const getIdentity = async () => { | ||
| // Get of create new identity | ||
| let identity: Daf.AbstractIdentity | ||
| const identities = await core.identityManager.getIdentities() | ||
| if (identities.length > 0) { | ||
| identity = identities[0] | ||
| } else { | ||
| const identityProviders = await core.identityManager.getIdentityProviderTypes() | ||
| identity = await core.identityManager.createIdentity(identityProviders[0].type) | ||
| } | ||
|
|
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| return identity | ||
| } | ||
|
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| export const setServiceEndpoint = async (identity: Daf.AbstractIdentity, serviceEndpoint: string) => { | ||
| // Check if DID Document contains current serviceEndpoint | ||
| const didDoc = await core.didResolver.resolve(identity.did) | ||
| const exists = didDoc?.service?.find(item => item.serviceEndpoint === serviceEndpoint) | ||
| if (!exists) { | ||
| try { | ||
| const txHash = await identity.identityController.addService({ | ||
| id: 'any', | ||
| type: 'Messaging', | ||
| serviceEndpoint, | ||
| }) | ||
| if (txHash) { | ||
| console.log('New service endpoint published. Tx Hash:', txHash) | ||
| return true | ||
| } | ||
| } catch (e) { | ||
| console.log(e) | ||
| } | ||
| return false | ||
| } | ||
| return true | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,224 @@ | ||
| import express from 'express' | ||
| import * as Daf from 'daf-core' | ||
| import * as SD from 'daf-selective-disclosure' | ||
| import * as W3C from 'daf-w3c' | ||
| import { app, server, io, sessionStore } from './server' | ||
| import { core, dataStore } from './framework' | ||
| import { getIdentity, setServiceEndpoint } from './identity' | ||
|
|
||
| import Debug from 'debug' | ||
| const debug = Debug('main') | ||
|
|
||
| if (!process.env.HOST) throw Error('Environment variable HOST not set') | ||
| if (!process.env.PORT) throw Error('Environment variable PORT not set') | ||
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| async function main() { | ||
| await dataStore.initialize() | ||
| const identity = await getIdentity() | ||
|
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| const messagingEndpoint = '/handle-message' | ||
| const serviceEndpoint = process.env.HOST + messagingEndpoint | ||
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| const result = await setServiceEndpoint(identity, serviceEndpoint) | ||
| if (!result) { | ||
| throw Error('Service endpoint not published. You probably need to send some ETH to ' + identity.did) | ||
| } | ||
|
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| app.post(messagingEndpoint, express.text({ type: '*/*' }), async (req, res) => { | ||
| try { | ||
| // This will trigger Daf.EventTypes.validatedMessage | ||
| const result = await core.validateMessage( | ||
| new Daf.Message({ raw: req.body, meta: { type: 'serviceEndpoint', id: serviceEndpoint } }), | ||
| ) | ||
| res.json({ id: result.id }) | ||
| } catch (e) { | ||
| res.send(e.message) | ||
| } | ||
| }) | ||
|
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| core.on(Daf.EventTypes.validatedMessage, async (message: Daf.Message) => { | ||
| await dataStore.saveMessage(message) | ||
|
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||
| if (message.type === W3C.MessageTypes.vp && message.threadId) { | ||
| // TODO check for required vcs | ||
|
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| const sessionId = message.threadId | ||
| io.in(sessionId).emit('loggedin', { did: message.sender }) | ||
|
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| sessionStore.get(sessionId, (error, session) => { | ||
| if (error) throw Error(error) | ||
|
|
||
| if (session) { | ||
| session.did = message.sender | ||
| sessionStore.set(sessionId, session) | ||
| } | ||
| }) | ||
| } | ||
| }) | ||
|
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| const requireLogin = (req: express.Request, res: express.Response, next: express.NextFunction) => { | ||
| if (!req.session) throw Error('Session not configured') | ||
| if (!req.session.did) { | ||
| res.redirect('/login') | ||
| } else { | ||
| next() | ||
| } | ||
| } | ||
|
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| app.get('/', requireLogin, async (req, res) => { | ||
| res.redirect('/home') | ||
| }) | ||
|
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| app.get('/home', requireLogin, async (req, res) => { | ||
| if (!req.session) throw Error('Session not configured') | ||
|
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| // Counting views to show that session is working | ||
| req.session.views = req.session.views ? req.session.views + 1 : 1 | ||
|
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| const { did, views } = req.session | ||
| const name = await dataStore.shortId(did) | ||
| res.render('home', { did, views, name }) | ||
| }) | ||
|
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| app.get('/history', requireLogin, async (req, res) => { | ||
| if (!req.session) throw Error('Session not configured') | ||
|
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| // Counting views to show that session is working | ||
| req.session.views = req.session.views ? req.session.views + 1 : 1 | ||
|
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| const { did, views } = req.session | ||
| const name = await dataStore.shortId(did) | ||
| const messages = await dataStore.findMessages({ sender: did }) | ||
| console.log(messages) | ||
| res.render('history', { did, views, name, messages }) | ||
| }) | ||
|
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||
| app.get('/login', async (req, res) => { | ||
| if (!req.session) throw Error('Session not configured') | ||
|
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| // Counting views to show that session is working | ||
| req.session.views = req.session.views ? req.session.views + 1 : 1 | ||
|
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||
| // Sign Selective Disclosure Request | ||
| const jwt = await core.handleAction({ | ||
| type: SD.ActionTypes.signSdr, | ||
| did: identity.did, | ||
| data: { | ||
| tag: req.sessionID, | ||
| claims: [ | ||
| { | ||
| reason: 'We need this information', | ||
| essential: true, | ||
| claimType: 'name', | ||
| }, | ||
| ], | ||
| }, | ||
| } as SD.ActionSignSdr) | ||
|
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| const url = encodeURI(process.env.HOST + '/?c_i=') + jwt | ||
|
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| res.render('login', { views: req.session.views, url }) | ||
| }) | ||
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| app.get('/credential', requireLogin, async (req, res) => { | ||
| if (!req.session) throw Error('Session not configured') | ||
|
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| // Counting views to show that session is working | ||
| req.session.views = req.session.views ? req.session.views + 1 : 1 | ||
|
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| const { did, views } = req.session | ||
| const name = await dataStore.shortId(did) | ||
|
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| // Sign verifiable credential | ||
| const nameJwt = await core.handleAction({ | ||
| type: W3C.ActionTypes.signVc, | ||
| did: identity.did, | ||
| data: { | ||
| sub: did, | ||
| vc: { | ||
| '@context': ['https://www.w3.org/2018/credentials/v1'], | ||
| type: ['VerifiableCredential'], | ||
| credentialSubject: { | ||
| name, | ||
| }, | ||
| }, | ||
| }, | ||
| } as W3C.ActionSignW3cVc) | ||
|
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| const kwcJwt = await core.handleAction({ | ||
| type: W3C.ActionTypes.signVc, | ||
| did: identity.did, | ||
| data: { | ||
| sub: did, | ||
| vc: { | ||
| '@context': ['https://www.w3.org/2018/credentials/v1'], | ||
| type: ['VerifiableCredential'], | ||
| credentialSubject: { | ||
| kycId: '123XZY', | ||
| }, | ||
| }, | ||
| }, | ||
| } as W3C.ActionSignW3cVc) | ||
|
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| const vpJwt = await core.handleAction({ | ||
| type: W3C.ActionTypes.signVp, | ||
| did: identity.did, | ||
| data: { | ||
| sub: did, | ||
| vp: { | ||
| '@context': ['https://www.w3.org/2018/credentials/v1'], | ||
| type: ['VerifiableCredential'], | ||
| verifiableCredential: [nameJwt, kwcJwt], | ||
| }, | ||
| }, | ||
| } as W3C.ActionSignW3cVp) | ||
|
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| const url = encodeURI(process.env.HOST + '/?c_i=') + vpJwt | ||
|
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| res.render('credential', { views, url }) | ||
| }) | ||
|
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| app.get('/about', async (req, res) => { | ||
| if (!req.session) throw Error('Session not configured') | ||
|
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| // Counting views to show that session is working | ||
| req.session.views = req.session.views ? req.session.views + 1 : 1 | ||
|
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| const { views } = req.session | ||
|
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| // Sign verifiable credential | ||
| const jwt = await core.handleAction({ | ||
| type: W3C.ActionTypes.signVc, | ||
| did: identity.did, | ||
| data: { | ||
| sub: identity.did, | ||
| vc: { | ||
| '@context': ['https://www.w3.org/2018/credentials/v1'], | ||
| type: ['VerifiableCredential'], | ||
| credentialSubject: { | ||
| name: 'DAF Demo', | ||
| description: 'Demo application', | ||
| profileImage: 'https://i.imgur.com/IMn3dIg.png', | ||
| }, | ||
| }, | ||
| }, | ||
| } as W3C.ActionSignW3cVc) | ||
|
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| const url = encodeURI(process.env.HOST + '/?c_i=') + jwt | ||
|
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| res.render('about', { views, url }) | ||
| }) | ||
|
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| app.get('/logout', (req, res) => req.session?.destroy(() => res.redirect('/'))) | ||
|
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| server.listen(process.env.PORT, async () => { | ||
| console.log(`Server running at http://localhost:${process.env.PORT}/`) | ||
| console.log(`Messaging service endpoint ${serviceEndpoint}`) | ||
|
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| // await core.setupServices() | ||
| // await core.listen() | ||
| // await core.getMessagesSince(await dataStore.latestMessageTimestamps()) | ||
| }) | ||
| } | ||
|
|
||
| main().catch(e => console.log(e.message)) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| import express from 'express' | ||
| import session, { MemoryStore } from 'express-session' | ||
| import socketio from 'socket.io' | ||
| import http from 'http' | ||
| import handlebars from 'express-handlebars' | ||
| import sharedSession from 'express-socket.io-session' | ||
|
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| const app = express() | ||
| app.engine('handlebars', handlebars()) | ||
| app.set('view engine', 'handlebars') | ||
| app.use(express.text()) | ||
|
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| const sessionStore = new MemoryStore() | ||
| const sess = session({ | ||
| secret: 'keyboard cat', | ||
| cookie: { maxAge: 10 * 60000 }, | ||
| saveUninitialized: true, | ||
| resave: true, | ||
| store: sessionStore, | ||
| }) | ||
| app.use(sess) | ||
|
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| const server = http.createServer(app) | ||
| const io = socketio(server) | ||
|
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| io.use( | ||
| sharedSession(sess, { | ||
| autoSave: true, | ||
| }), | ||
| ) | ||
|
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| io.on('connection', function(socket) { | ||
| if (socket.handshake?.session) { | ||
| socket.join(socket.handshake.session.id) | ||
| } | ||
| }) | ||
|
|
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| export { app, server, io, sessionStore } |
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