From 8b7afe6f4ceeafe8849b2a5e82e693b1c82bab37 Mon Sep 17 00:00:00 2001 From: Chris O'Hara Date: Sun, 11 Sep 2016 11:44:30 +1000 Subject: [PATCH] Support regular expressions in host whitelist/backlist, closes #562 --- CHANGELOG.md | 2 ++ lib/isURL.js | 22 ++++++++++++++++++++-- src/lib/isURL.js | 22 ++++++++++++++++++++-- test/validators.js | 42 ++++++++++++++++++++++++++++++++++++++++++ validator.js | 22 ++++++++++++++++++++-- validator.min.js | 2 +- 6 files changed, 105 insertions(+), 7 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 98c0d5214..6cb535f5f 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -4,6 +4,8 @@ ([#564](https://github.com/chriso/validator.js/issues/564)) - Added support for urls without a host (e.g. `file:///foo.txt`) in `isURL()` ([#563](https://github.com/chriso/validator.js/issues/563)) +- Added support for regular expressions in the `isURL()` host whitelist and blacklist + ([#562](https://github.com/chriso/validator.js/issues/562)) - Added support for MasterCard 2-Series BIN ([#576](https://github.com/chriso/validator.js/pull/576)) - New locales diff --git a/lib/isURL.js b/lib/isURL.js index 93ee0cb2c..19fb479d2 100644 --- a/lib/isURL.js +++ b/lib/isURL.js @@ -36,6 +36,20 @@ var default_url_options = { var wrapped_ipv6 = /^\[([^\]]+)\](?::([0-9]+))?$/; +function isRegExp(obj) { + return Object.prototype.toString.call(obj) === '[object RegExp]'; +} + +function checkHost(host, matches) { + for (var i = 0; i < matches.length; i++) { + var match = matches[i]; + if (host === match || isRegExp(match) && match.test(host)) { + return true; + } + } + return false; +} + function isURL(url, options) { (0, _assertString2.default)(url); if (!url || url.length >= 2083 || /\s/.test(url)) { @@ -113,12 +127,16 @@ function isURL(url, options) { if (!(0, _isIP2.default)(host) && !(0, _isFQDN2.default)(host, options) && (!ipv6 || !(0, _isIP2.default)(ipv6, 6)) && host !== 'localhost') { return false; } - if (options.host_whitelist && options.host_whitelist.indexOf(host) === -1) { + + host = host || ipv6; + + if (options.host_whitelist && !checkHost(host, options.host_whitelist)) { return false; } - if (options.host_blacklist && options.host_blacklist.indexOf(host) !== -1) { + if (options.host_blacklist && checkHost(host, options.host_blacklist)) { return false; } + return true; } module.exports = exports['default']; \ No newline at end of file diff --git a/src/lib/isURL.js b/src/lib/isURL.js index 874f00293..f9e0c1a08 100644 --- a/src/lib/isURL.js +++ b/src/lib/isURL.js @@ -17,6 +17,20 @@ const default_url_options = { const wrapped_ipv6 = /^\[([^\]]+)\](?::([0-9]+))?$/; +function isRegExp(obj) { + return Object.prototype.toString.call(obj) === '[object RegExp]'; +} + +function checkHost(host, matches) { + for (let i = 0; i < matches.length; i++) { + let match = matches[i]; + if (host === match || (isRegExp(match) && match.test(host))) { + return true; + } + } + return false; +} + export default function isURL(url, options) { assertString(url); if (!url || url.length >= 2083 || /\s/.test(url)) { @@ -88,11 +102,15 @@ export default function isURL(url, options) { host !== 'localhost') { return false; } - if (options.host_whitelist && options.host_whitelist.indexOf(host) === -1) { + + host = host || ipv6; + + if (options.host_whitelist && !checkHost(host, options.host_whitelist)) { return false; } - if (options.host_blacklist && options.host_blacklist.indexOf(host) !== -1) { + if (options.host_blacklist && checkHost(host, options.host_blacklist)) { return false; } + return true; } diff --git a/test/validators.js b/test/validators.js index cf7080429..b795b4fa2 100644 --- a/test/validators.js +++ b/test/validators.js @@ -402,6 +402,27 @@ describe('Validators', function () { }); }); + it('should allow regular expressions in the host whitelist', function () { + test({ + validator: 'isURL', + args: [{ + host_whitelist: ['bar.com', 'foo.com', /\.foo\.com$/], + }], + valid: [ + 'http://bar.com/', + 'http://foo.com/', + 'http://images.foo.com/', + 'http://cdn.foo.com/', + 'http://a.b.c.foo.com/', + ], + invalid: [ + 'http://foobar.com', + 'http://foo.bar.com/', + 'http://qux.com', + ], + }); + }); + it('should let users specify a host blacklist', function () { test({ validator: 'isURL', @@ -420,6 +441,27 @@ describe('Validators', function () { }); }); + it('should allow regular expressions in the host blacklist', function () { + test({ + validator: 'isURL', + args: [{ + host_blacklist: ['bar.com', 'foo.com', /\.foo\.com$/], + }], + valid: [ + 'http://foobar.com', + 'http://foo.bar.com/', + 'http://qux.com', + ], + invalid: [ + 'http://bar.com/', + 'http://foo.com/', + 'http://images.foo.com/', + 'http://cdn.foo.com/', + 'http://a.b.c.foo.com/', + ], + }); + }); + it('should validate MAC addresses', function () { test({ validator: 'isMACAddress', diff --git a/validator.js b/validator.js index 72fa54b0e..410a29472 100644 --- a/validator.js +++ b/validator.js @@ -304,6 +304,20 @@ var wrapped_ipv6 = /^\[([^\]]+)\](?::([0-9]+))?$/; + function isRegExp(obj) { + return Object.prototype.toString.call(obj) === '[object RegExp]'; + } + + function checkHost(host, matches) { + for (var i = 0; i < matches.length; i++) { + var match = matches[i]; + if (host === match || isRegExp(match) && match.test(host)) { + return true; + } + } + return false; + } + function isURL(url, options) { assertString(url); if (!url || url.length >= 2083 || /\s/.test(url)) { @@ -381,12 +395,16 @@ if (!isIP(host) && !isFDQN(host, options) && (!ipv6 || !isIP(ipv6, 6)) && host !== 'localhost') { return false; } - if (options.host_whitelist && options.host_whitelist.indexOf(host) === -1) { + + host = host || ipv6; + + if (options.host_whitelist && !checkHost(host, options.host_whitelist)) { return false; } - if (options.host_blacklist && options.host_blacklist.indexOf(host) !== -1) { + if (options.host_blacklist && checkHost(host, options.host_blacklist)) { return false; } + return true; } diff --git 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