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Diffstat (limited to 'app/scripts/lib/is-phish.js')
-rw-r--r-- | app/scripts/lib/is-phish.js | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/app/scripts/lib/is-phish.js b/app/scripts/lib/is-phish.js deleted file mode 100644 index 68c09e4ac..000000000 --- a/app/scripts/lib/is-phish.js +++ /dev/null @@ -1,38 +0,0 @@ -const levenshtein = require('fast-levenshtein') -const blacklistedMetaMaskDomains = ['metamask.com'] -let blacklistedDomains = require('etheraddresslookup/blacklists/domains.json').concat(blacklistedMetaMaskDomains) -const whitelistedMetaMaskDomains = ['metamask.io', 'www.metamask.io'] -const whitelistedDomains = require('etheraddresslookup/whitelists/domains.json').concat(whitelistedMetaMaskDomains) -const LEVENSHTEIN_TOLERANCE = 4 -const LEVENSHTEIN_CHECKS = ['myetherwallet', 'myetheroll', 'ledgerwallet', 'metamask'] - - -// credit to @sogoiii and @409H for their help! -// Return a boolean on whether or not a phish is detected. -function isPhish({ hostname, updatedBlacklist = null }) { - var strCurrentTab = hostname - - // check if the domain is part of the whitelist. - if (whitelistedDomains && whitelistedDomains.includes(strCurrentTab)) { return false } - - // Allow updating of blacklist: - if (updatedBlacklist) { - blacklistedDomains = blacklistedDomains.concat(updatedBlacklist) - } - - // check if the domain is part of the blacklist. - const isBlacklisted = blacklistedDomains && blacklistedDomains.includes(strCurrentTab) - - // check for similar values. - let levenshteinMatched = false - var levenshteinForm = strCurrentTab.replace(/\./g, '') - LEVENSHTEIN_CHECKS.forEach((element) => { - if (levenshtein.get(element, levenshteinForm) <= LEVENSHTEIN_TOLERANCE) { - levenshteinMatched = true - } - }) - - return isBlacklisted || levenshteinMatched -} - -module.exports = isPhish |