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59 lines
1.5 KiB
59 lines
1.5 KiB
const ObservableStore = require('obs-store')
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const extend = require('xtend')
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const PhishingDetector = require('eth-phishing-detect/src/detector')
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// compute phishing lists
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const PHISHING_DETECTION_CONFIG = require('eth-phishing-detect/src/config.json')
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// every four minutes
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const POLLING_INTERVAL = 4 * 60 * 1000
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class BlacklistController {
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constructor (opts = {}) {
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const initState = extend({
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phishing: PHISHING_DETECTION_CONFIG,
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}, opts.initState)
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this.store = new ObservableStore(initState)
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// phishing detector
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this._phishingDetector = null
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this._setupPhishingDetector(initState.phishing)
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// polling references
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this._phishingUpdateIntervalRef = null
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}
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//
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// PUBLIC METHODS
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//
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checkForPhishing (hostname) {
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if (!hostname) return false
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const { result } = this._phishingDetector.check(hostname)
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return result
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}
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async updatePhishingList () {
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const response = await fetch('https://api.infura.io/v2/blacklist')
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const phishing = await response.json()
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this.store.updateState({ phishing })
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this._setupPhishingDetector(phishing)
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return phishing
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}
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scheduleUpdates () {
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if (this._phishingUpdateIntervalRef) return
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this.updatePhishingList().catch(log.warn)
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this._phishingUpdateIntervalRef = setInterval(() => {
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this.updatePhishingList().catch(log.warn)
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}, POLLING_INTERVAL)
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}
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//
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// PRIVATE METHODS
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//
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_setupPhishingDetector (config) {
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this._phishingDetector = new PhishingDetector(config)
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}
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}
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module.exports = BlacklistController
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