| 1 |
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| 2 |
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| 3 | let isWildcard = require('./is_wildcard')
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| 4 |
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| 5 | // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions
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| 6 | function escapeRegExp (string) {
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| 7 | return string.replace(/[.*+?^${}()|[\]\\]/g, '\\$&') // $& means the whole matched string
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| 8 | }
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| 9 |
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| 10 | module.exports = function (wildcard, hostname) {
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| 11 | if (!isWildcard(wildcard)) {
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| 12 | return false
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| 13 | }
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| 14 |
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| 15 | let baseDomain = wildcard.substring(2)
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| 16 | let regex = new RegExp(`^[a-zA-Z0-9_-]+\\.${escapeRegExp(baseDomain)}$`)
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| 17 | return hostname.match(regex)
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| 18 | }
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