Merge pull request #1852 from MetaMask/blacklist-refactor2

blacklist - use module eth-phishing-detect

app/scripts/controllers/blacklist.js

@@ -1,13 +1,9 @@
 const ObservableStore = require('obs-store')
 const extend = require('xtend')
-const communityBlacklistedDomains = require('etheraddresslookup/blacklists/domains.json')
+const PhishingDetector = require('eth-phishing-detect/src/detector')
-const communityWhitelistedDomains = require('etheraddresslookup/whitelists/domains.json')
-const checkForPhishing = require('../lib/is-phish')
 
 // compute phishing lists
-const PHISHING_BLACKLIST = communityBlacklistedDomains.concat(['metamask.com'])
+const PHISHING_DETECTION_CONFIG = require('eth-phishing-detect/src/config.json')
-const PHISHING_WHITELIST = communityWhitelistedDomains.concat(['metamask.io', 'www.metamask.io'])
-const PHISHING_FUZZYLIST = ['myetherwallet', 'myetheroll', 'ledgerwallet', 'metamask']
 // every ten minutes
 const POLLING_INTERVAL = 10 * 60 * 1000
 
@@ -15,9 +11,12 @@ class BlacklistController {
 
   constructor (opts = {}) {
     const initState = extend({
-      phishing: PHISHING_BLACKLIST,
+      phishing: PHISHING_DETECTION_CONFIG,
     }, opts.initState)
     this.store = new ObservableStore(initState)
+    // phishing detector
+    this._phishingDetector = null
+    this._setupPhishingDetector(initState.phishing)
     // polling references
     this._phishingUpdateIntervalRef = null
   }
@@ -28,14 +27,15 @@ class BlacklistController {
 
   checkForPhishing (hostname) {
     if (!hostname) return false
-    const { blacklist } = this.store.getState()
+    const { result } = this._phishingDetector.check(hostname)
-    return checkForPhishing({ hostname, blacklist, whitelist: PHISHING_WHITELIST, fuzzylist: PHISHING_FUZZYLIST })
+    return result
   }
 
   async updatePhishingList () {
-    const response = await fetch('https://api.infura.io/v1/blacklist')
+    const response = await fetch('https://api.infura.io/v2/blacklist')
     const phishing = await response.json()
     this.store.updateState({ phishing })
+    this._setupPhishingDetector(phishing)
     return phishing
   }
 
@@ -45,6 +45,14 @@ class BlacklistController {
       this.updatePhishingList()
     }, POLLING_INTERVAL)
   }
+
+  //
+  // PRIVATE METHODS
+  //
+
+  _setupPhishingDetector (config) {
+    this._phishingDetector = new PhishingDetector(config)
+  }
 }
 
 module.exports = BlacklistController

app/scripts/lib/is-phish.js

@@ -1,23 +0,0 @@
-const levenshtein = require('fast-levenshtein')
-const LEVENSHTEIN_TOLERANCE = 4
-
-// credit to @sogoiii and @409H for their help!
-// Return a boolean on whether or not a phish is detected.
-function isPhish({ hostname, blacklist, whitelist, fuzzylist }) {
-
-  // check if the domain is part of the whitelist.
-  if (whitelist && whitelist.includes(hostname)) return false
-
-  // check if the domain is part of the blacklist.
-  if (blacklist && blacklist.includes(hostname)) return true
-
-  // check for similar values.
-  const levenshteinForm = hostname.replace(/\./g, '')
-  const levenshteinMatched = fuzzylist.some((element) => {
-    return levenshtein.get(element, levenshteinForm) <= LEVENSHTEIN_TOLERANCE
-  })
-
-  return levenshteinMatched
-}
-
-module.exports = isPhish

package.json

@@ -7,7 +7,7 @@
     "start": "npm run dev",
     "dev": "gulp dev --debug",
     "disc": "gulp disc --debug",
-    "clear": "rm -rf node_modules/eth-contract-metadata && rm -rf node_modules/etheraddresslookup",
+    "clear": "rm -rf node_modules/eth-contract-metadata && rm -rf node_modules/eth-phishing-detect",
     "dist": "npm run clear && npm install && gulp dist",
     "test": "npm run lint && npm run test-unit && npm run test-integration",
     "test-unit": "METAMASK_ENV=test mocha --require test/helper.js --recursive \"test/unit/**/*.js\"",
@@ -68,11 +68,11 @@
     "eth-bin-to-ops": "^1.0.1",
     "eth-contract-metadata": "^1.1.4",
     "eth-hd-keyring": "^1.1.1",
+    "eth-phishing-detect": "^1.0.2",
     "eth-query": "^2.1.2",
     "eth-sig-util": "^1.2.2",
     "eth-simple-keyring": "^1.1.1",
     "eth-token-tracker": "^1.1.2",
-    "etheraddresslookup": "github:409H/EtherAddressLookup",
     "ethereumjs-tx": "^1.3.0",
     "ethereumjs-util": "ethereumjs/ethereumjs-util#ac5d0908536b447083ea422b435da27f26615de9",
     "ethereumjs-wallet": "^0.6.0",