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|
package auth
import (
"errors"
"net/http"
"github.com/gorilla/sessions"
"github.com/labstack/echo-contrib/session"
"github.com/labstack/echo/v4"
)
const (
sessionName = "feedaka_session"
sessionUserIDKey = "user_id"
// Session duration: 7 days
sessionMaxAge = 7 * 24 * 60 * 60
)
var (
ErrNoSession = errors.New("no session found")
ErrNoUserIDInSession = errors.New("no user_id in session")
)
type SessionConfig struct {
store *sessions.CookieStore
}
func NewSessionConfig(secret string, useNonSecureCookie bool) *SessionConfig {
store := sessions.NewCookieStore([]byte(secret))
store.Options = &sessions.Options{
Path: "/",
MaxAge: sessionMaxAge,
HttpOnly: true,
Secure: !useNonSecureCookie,
SameSite: http.SameSiteDefaultMode,
}
return &SessionConfig{
store: store,
}
}
func (c *SessionConfig) GetStore() *sessions.CookieStore {
return c.store
}
func (c *SessionConfig) SetUserID(ctx echo.Context, userID int64) error {
sess, err := session.Get(sessionName, ctx)
if err != nil {
return err
}
sess.Values[sessionUserIDKey] = userID
return sess.Save(ctx.Request(), ctx.Response())
}
func (c *SessionConfig) GetUserID(ctx echo.Context) (int64, error) {
sess, err := session.Get(sessionName, ctx)
if err != nil {
return 0, ErrNoSession
}
userIDVal, ok := sess.Values[sessionUserIDKey]
if !ok {
return 0, ErrNoUserIDInSession
}
userID, ok := userIDVal.(int64)
if !ok {
return 0, ErrNoUserIDInSession
}
return userID, nil
}
func (c *SessionConfig) DestroySession(ctx echo.Context) error {
sess, err := session.Get(sessionName, ctx)
if err != nil {
// If there's no session, nothing to destroy
return nil
}
// Set MaxAge to -1 to delete the session
sess.Options.MaxAge = -1
return sess.Save(ctx.Request(), ctx.Response())
}
|
