40 lines
946 B
Go
40 lines
946 B
Go
package token
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import (
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"errors"
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"time"
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)
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// Different types of error returned by the VerifyToken function
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var (
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ErrInvalidToken = errors.New("token is invalid")
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ErrExpiredToken = errors.New("token has expired")
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)
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// Payload contains the payload data of the token
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type Payload struct {
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ID string `json:"id"`
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Username string `json:"username"`
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IssuedAt time.Time `json:"issued_at"`
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ExpiredAt time.Time `json:"expired_at"`
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}
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// NewPayload creates a new token payload with a specific username and duration
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func NewPayload(id string, username string, duration time.Duration) (*Payload, error) {
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payload := &Payload{
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ID: id,
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Username: username,
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IssuedAt: time.Now(),
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ExpiredAt: time.Now().Add(duration),
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}
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return payload, nil
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}
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// Valid checks if the token payload is valid or not
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func (payload *Payload) Valid() error {
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if time.Now().After(payload.ExpiredAt) {
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return ErrExpiredToken
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}
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return nil
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}
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