linx-server/expiry.go

package main

import (
	"time"
)

// Get what the unix timestamp will be in "seconds".
func getFutureTimestamp(seconds int32) (ts int32) {
	now := int32(time.Now().Unix())

	if seconds == 0 {
		ts = 0
	} else {
		ts = now + seconds
	}

	return
}

// Determine if a file with expiry set to "ts" has expired yet
func isTsExpired(ts int32) (expired bool) {
	now := int32(time.Now().Unix())

	if ts == 0 {
		expired = false
	} else if now > ts {
		expired = true
	} else {
		expired = false
	}

	return
}

// Determine if the given filename is expired
func isFileExpired(filename string) (bool, error) {
	exp, err := metadataGetExpiry(filename)

	if err != nil {
		return true, err
	} else {
		return isTsExpired(exp), err
	}
}