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token_repository.go
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/
token_repository.go
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package jwt
import (
"github.com/arpb2/C-3PO/pkg/data/repository/session"
"github.com/arpb2/C-3PO/pkg/domain/http"
"github.com/dgrijalva/jwt-go"
)
func CreateTokenRepository(secret []byte) session.TokenRepository {
return &tokenRepository{
Secret: secret,
}
}
type token struct {
*session.Token
jwt.StandardClaims
}
type tokenRepository struct {
Secret []byte
}
func (t tokenRepository) Create(authToken *session.Token) (string, error) {
claims := &token{
Token: authToken,
StandardClaims: jwt.StandardClaims{},
}
tkn := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
tokenString, err := tkn.SignedString(t.Secret)
if err != nil {
return "", http.CreateInternalError()
}
return tokenString, nil
}
func (t tokenRepository) Retrieve(authToken string) (*session.Token, error) {
claims := &token{}
tkn, err := jwt.ParseWithClaims(authToken, claims, func(token *jwt.Token) (interface{}, error) {
return t.Secret, nil
})
if err != nil {
if err == jwt.ErrSignatureInvalid {
return nil, http.CreateUnauthorizedError()
}
return nil, http.CreateBadRequestError("malformed token")
}
if !tkn.Valid {
return nil, http.CreateUnauthorizedError()
}
return claims.Token, nil
}