const ObservableStore = require('obs-store')
const extend = require('xtend')
const PhishingDetector = require('eth-phishing-detect/src/detector')
const log = require('loglevel')
// compute phishing lists
const PHISHING_DETECTION_CONFIG = require('eth-phishing-detect/src/config.json')
// every four minutes
const POLLING_INTERVAL = 4 * 60 * 1000
class BlacklistController {
/**
* Responsible for polling for and storing an up to date 'eth-phishing-detect' config.json file, while
* exposing a method that can check whether a given url is a phishing attempt. The 'eth-phishing-detect'
* config.json file contains a fuzzylist, whitelist and blacklist.
*
*
* @typedef {Object} BlacklistController
* @param {object} opts Overrides the defaults for the initial state of this.store
* @property {object} store The the store of the current phishing config
* @property {object} store.phishing Contains fuzzylist, whitelist and blacklist arrays. @see
* {@link https://github.com/MetaMask/eth-phishing-detect/blob/master/src/config.json}
* @property {object} _phishingDetector The PhishingDetector instantiated by passing store.phishing to
* PhishingDetector.
* @property {object} _phishingUpdateIntervalRef Id of the interval created to periodically update the blacklist
*
*/
constructor (opts = {}) {
const initState = extend({
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
}
/**
* Given a url, returns the result of checking if that url is in the store.phishing blacklist
*
* @param {string} hostname The hostname portion of a url; the one that will be checked against the white and
* blacklists of store.phishing
* @returns {boolean} Whether or not the passed hostname is on our phishing blacklist
*
*/
checkForPhishing (hostname) {
if (!hostname) return false
const { result } = this._phishingDetector.check(hostname)
return result
}
/**
* Queries `https://api.infura.io/v2/blacklist` for an updated blacklist config. This is passed to this._phishingDetector
* to update our phishing detector instance, and is updated in the store. The new phishing config is returned
*
*
* @returns {Promise<object>} Promises the updated blacklist config for the phishingDetector
*
*/
async updatePhishingList () {
const response = await fetch('https://api.infura.io/v2/blacklist')
const phishing = await response.json()
this.store.updateState({ phishing })
this._setupPhishingDetector(phishing)
return phishing
}
/**
* Initiates the updating of the local blacklist at a set interval. The update is done via this.updatePhishingList().
* Also, this method store a reference to that interval at this._phishingUpdateIntervalRef
*
*/
scheduleUpdates () {
if (this._phishingUpdateIntervalRef) return
this.updatePhishingList().catch(log.warn)
this._phishingUpdateIntervalRef = setInterval(() => {
this.updatePhishingList().catch(log.warn)
}, POLLING_INTERVAL)
}
/**
* Sets this._phishingDetector to a new PhishingDetector instance.
* @see {@link https://github.com/MetaMask/eth-phishing-detect}
*
* @private
* @param {object} config A config object like that found at {@link https://github.com/MetaMask/eth-phishing-detect/blob/master/src/config.json}
*
*/
_setupPhishingDetector (config) {
this._phishingDetector = new PhishingDetector(config)
}
}
module.exports = BlacklistController
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<div class='path'>path: <a href='/~lantw44/cgit/cgit.cgi/freebsd-ports/log/?id=1e1181ab180470952c0eacda07094da95c6404f9'>root</a>/<a href='/~lantw44/cgit/cgit.cgi/freebsd-ports/log/astro?id=1e1181ab180470952c0eacda07094da95c6404f9'>astro</a>/<a href='/~lantw44/cgit/cgit.cgi/freebsd-ports/log/astro/weather?id=1e1181ab180470952c0eacda07094da95c6404f9'>weather</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th></th><th class='left'>Commit message (<a href='/~lantw44/cgit/cgit.cgi/freebsd-ports/log/astro/weather?id=1e1181ab180470952c0eacda07094da95c6404f9&showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Age</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
<tr><td class='commitgraph'>* </td><td><a href='/~lantw44/cgit/cgit.cgi/freebsd-ports/commit/astro/weather?id=967018c1f048b2668dd4fbc1a6dc39f9e1dc556e'>astro/weather: Cosmetic change</a></td><td>Po-Chuan Hsieh</td><td><span title='2021-04-18 13:41:51 +0800'>2021-04-18</span></td><td>2</td><td><span class='deletions'>-16</span>/<span class='insertions'>+16</span></td></tr>
<tr><td class='commitgraph'>* </td><td><a href='/~lantw44/cgit/cgit.cgi/freebsd-ports/commit/astro/weather?id=305f148f482daf30dcf728039d03d019f88344eb'>Remove # $FreeBSD$ from Makefiles.</a></td><td>Mathieu Arnold</td><td><span title='2021-04-06 22:31:07 +0800'>2021-04-06</span></td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+0</span></td></tr>
<tr><td class='commitgraph'>* </td><td><a href='/~lantw44/cgit/cgit.cgi/freebsd-ports/commit/astro/weather?id=1b233e41d4fabe88b9c5a01e6244f5f545f59233'>Clean up PYTHON_PYOEXTENSION (followup of r500018 and 569588)</a></td><td>Sunpoet Po-Chuan Hsieh</td><td><span title='2021-03-31 03:20:21 +0800'>2021-03-31</span></td><td>1</td><td><span class='deletions'>-2</span>/<span class='insertions'>+2</span></td></tr>
<tr><td class='commitgraph'>* </td><td><a href='/~lantw44/cgit/cgit.cgi/freebsd-ports/commit/astro/weather?id=99e3b67c3d6643d3d828cdc8de19d13a7a3bbd8c'>Remove PYTHON_REL check after r564032 (USES=python means USES=python:3.6+)</a></td><td>Sunpoet Po-Chuan Hsieh</td><td><span title='2021-03-08 06:10:14 +0800'>2021-03-08</span></td><td>1</td><td><span class='deletions'>-16</span>/<span class='insertions'>+6</span></td></tr>
<tr><td class='commitgraph'>* </td><td><a href='/~lantw44/cgit/cgit.cgi/freebsd-ports/commit/astro/weather?id=034e450d1d5cc424cdf0405f961c439cd198202a'>Update to 2.4.1</a></td><td>Sunpoet Po-Chuan Hsieh</td><td><span title='2020-09-05 18:08:24 +0800'>2020-09-05</span></td><td>2</td><td><span class='deletions'>-4</span>/<span class='insertions'>+4</span></td></tr>
<tr><td class='commitgraph'>* </td><td><a href='/~lantw44/cgit/cgit.cgi/freebsd-ports/commit/astro/weather?id=47af5e32faaf7b15372cf08e978b8afd1cc53777'>Update to 2.4</a></td><td>Sunpoet Po-Chuan Hsieh</td><td><span title='2020-06-23 03:34:45 +0800'>2020-06-23</span>