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session.go
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session.go
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package auth
import (
"errors"
"fmt"
"github.com/gorilla/sessions"
"github.com/labstack/echo-contrib/session"
"github.com/labstack/echo/v4"
)
var ErrSessionError = errors.New("session error")
func LoadUsernameFromSession(cfg ConfigService, c echo.Context) (string, error) {
sess, err := session.Get(sessionName, c)
if err != nil {
return "", err //nolint:wrapcheck
}
tokenInterface, valueExists := sess.Values[tokenKey]
if !valueExists {
return "", ErrSessionError
}
token, isString := tokenInterface.(string)
if !isString {
return "", ErrSessionError
}
email, err := ValidateJWTString(cfg.JWTSecret(), token)
if err != nil {
return "", err
}
if email == nil {
return "", ErrSessionError
}
return *email, nil
}
func SaveUsernameToSession(cfg ConfigService, c echo.Context, username string) error {
sess, err := session.Get(sessionName, c)
if err != nil {
return fmt.Errorf("failed to initialize session. err: %w", err)
}
sess.Options = &sessions.Options{
Path: "/",
MaxAge: 60 * 60 * 8, //nolint:gomnd
HttpOnly: true,
}
token, err := GenerateJWTString(cfg.JWTSecret(), username)
if err != nil {
return fmt.Errorf("failed to generate token. err: %w", err)
}
sess.Values[tokenKey] = token
err = sess.Save(c.Request(), c.Response())
if err != nil {
return fmt.Errorf("failed to save session. err: %w", err)
}
return nil
}