| 1 | // Retrieve the expiration date when caching a file
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| 2 | const getExpires = function(ttl) {
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| 3 | if (!Number.isInteger(ttl) || ttl < 1) {
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| 4 | return
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| 5 | }
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| 6 |
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| 7 | return Date.now() + ttl * SECS_TO_MSECS
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| 8 | }
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| 9 |
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| 10 | const SECS_TO_MSECS = 1e3
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| 11 |
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| 12 | // Check if a file about to be restored is expired
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| 13 | const checkExpires = function(expires) {
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| 14 | return expires !== undefined && Date.now() > expires
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| 15 | }
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| 16 |
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| 17 | module.exports = { getExpires, checkExpires }
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