GitProtogen
45 lines
1018 B
Go
45 lines
1018 B
Go
package main
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import (
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"strconv"
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"time"
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"github.com/golang-jwt/jwt/v5"
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)
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var secretKey = []byte("replace-with-env-variable")
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func GetToken(client *Client) (string, error) {
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token := jwt.NewWithClaims(jwt.SigningMethodHS256,
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jwt.RegisteredClaims{
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Subject: strconv.Itoa(int(client.Id)),
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ExpiresAt: jwt.NewNumericDate(time.Now().Add(time.Hour)),
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IssuedAt: jwt.NewNumericDate(time.Now()),
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},
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)
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return token.SignedString(secretKey)
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}
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func GetClientIdFromToken(token *string) (uint32, error) {
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parsed, err := jwt.ParseWithClaims(*token, &jwt.RegisteredClaims{}, func(t *jwt.Token) (any, error) {
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if _, ok := t.Method.(*jwt.SigningMethodHMAC); !ok {
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return nil, jwt.ErrSignatureInvalid
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}
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return secretKey, nil
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})
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if err != nil {
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return 0, err
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}
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claims, ok := parsed.Claims.(*jwt.RegisteredClaims)
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if !ok || !parsed.Valid {
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return 0, jwt.ErrTokenInvalidClaims
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}
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id, err := strconv.ParseUint(claims.Subject, 10, 32)
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if err != nil {
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return 0, err
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}
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return uint32(id), nil
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}
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