34 lines
621 B
Go
34 lines
621 B
Go
package auth
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import (
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"crypto/rand"
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"crypto/sha256"
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"encoding/base64"
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"encoding/hex"
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"time"
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)
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const tokenBytes = 32
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func NewToken() (string, error) {
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buf := make([]byte, tokenBytes)
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if _, err := rand.Read(buf); err != nil {
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return "", err
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}
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return base64.RawURLEncoding.EncodeToString(buf), nil
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}
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func HashToken(plainToken string) string {
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sum := sha256.Sum256([]byte(plainToken))
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return hex.EncodeToString(sum[:])
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}
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func VerifyTokenExpiresAt(now time.Time) time.Time {
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return now.UTC().Add(24 * time.Hour)
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}
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func ResetTokenExpiresAt(now time.Time) time.Time {
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return now.UTC().Add(1 * time.Hour)
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}
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