42 lines
769 B
Go
42 lines
769 B
Go
package rate_limit
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import (
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"encoding/gob"
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"os"
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"time"
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)
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const TIMEFRAME = 60
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func TimeLeft(addr string) int64 {
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timeLeft := int64(0)
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file, err := os.OpenFile("addr_table.gob", os.O_RDWR|os.O_CREATE, 0644)
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if err == nil {
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defer file.Close()
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loadedData := make(map[string]int64)
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gob.NewDecoder(file).Decode(&loadedData)
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if loadedData[addr] == 0 {
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loadedData[addr] = time.Now().Unix()
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saveDate(file, loadedData)
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} else {
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t := time.Now().Unix() - loadedData[addr]
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if t >= TIMEFRAME {
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loadedData[addr] = time.Now().Unix()
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saveDate(file, loadedData)
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} else {
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timeLeft = TIMEFRAME - t
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}
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}
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}
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return timeLeft
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}
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func saveDate(file *os.File, data map[string]int64) {
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file.Seek(0, 0)
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gob.NewEncoder(file).Encode(data)
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}
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