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verify_jwt_token_and_extract_myid.go
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verify_jwt_token_and_extract_myid.go
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package utils
import (
"errors"
"github.com/golang-jwt/jwt/v5"
"github.com/rs/zerolog/log"
"net/http"
"strings"
)
type JWTTokenContent struct {
ID string
}
func extractBearerToken(r *http.Request) (string, error) {
bearerToken := r.Header.Get("Authorization")
if bearerToken == "" {
return "", nil
}
strArr := strings.Split(bearerToken, " ")
if len(strArr) != 2 {
return "", errors.New("no bearer token")
}
return strArr[1], nil
}
func VerifyJWTTokenAndExtractMyID(r *http.Request) (string, error) {
config := GetConfig()
tokenString, err := extractBearerToken(r)
if err != nil {
log.Error().Err(err).Msg("extractBearerToken")
return "", err
} else if tokenString == "" {
return "", nil
}
token, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
return []byte(config.JWTSecret), nil
})
if err != nil {
log.Error().Err(err).Msg("jwt.Parse")
return "", err
}
if !token.Valid {
log.Error().Msg("token is not valid")
return "", err
}
claims, ok := token.Claims.(jwt.MapClaims)
if !ok {
return "", errors.New("token.Claims")
}
id := claims["id"].(string)
return id, nil
}