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83 lines
2.3 KiB
83 lines
2.3 KiB
const fs = require('fs')
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const openpgp = require('openpgp')
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const bcrypt = require('bcrypt')
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class TestClient {
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constructor(keyName, id) {
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this.keyName = keyName
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this.id = id
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this.publicKey = fs.readFileSync(`./${this.keyName}.public.gpg.key`).toString('utf-8')
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this.privateKey = fs.readFileSync(`./${this.keyName}.private.gpg.key`).toString('utf-8')
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this.salt = fs.readFileSync(`./${this.keyName}.salt`).toString('utf-8')
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}
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getHash(otherClientId) {
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const [lesserId, greaterId] = [otherClientId, this.id].sort()
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return bcrypt.hashSync(`${lesserId}-${greaterId}`, this.salt)
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}
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buildExposure() {
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return {
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clientID: this.id,
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timestamp: (new Date).getTime(),
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}
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}
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async interactWith(otherClient) {
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const hash = otherClient.getHash(this.id)
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const message = openpgp.Message.fromText(hash)
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const signature = (await openpgp.sign({
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message,
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privateKeys: await openpgp.readKey({
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armoredKey: this.privateKey
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})
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}))
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return {
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combinedHash: hash,
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timestamp: (new Date).getTime(),
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encodedGPSLocation: JSON.stringify({ none: true }),
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partnerPublicKey: otherClient.publicKey,
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validationSignature: signature
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}
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}
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}
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;(async () => {
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const client_a = new TestClient('test_a', 'a893irwe')
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const client_b = new TestClient('test_b', 'bawesfdi')
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const a_transact = await client_a.interactWith(client_b)
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const b_transact = await client_b.interactWith(client_a)
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// Simulate an encounter between A and B
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console.log(a_transact, b_transact)
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postTo('/api/v1/encounter', a_transact)
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postTo('/api/v1/encounter', b_transact)
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// Simulate B being exposed
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const b_exposure = client_b.buildExposure()
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console.log(b_exposure)
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postTo('/api/v1/exposure', b_exposure)
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})()
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function postTo(endpoint, data) {
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data = JSON.stringify(data)
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const options = {
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hostname: 'localhost',
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port: 8000,
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path: endpoint,
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method: 'POST',
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headers: {
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'content-type': 'application/json',
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'content-length': data.length,
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}
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}
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const req = require('http').request(options)
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req.write(data)
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req.end()
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}
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