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package middleware
import (
"context"
"net/http"
"go.neonxp.ru/middleware/session"
"go.neonxp.ru/objectid"
)
type SessionConfig struct {
SessionCookie string
Path string
Domain string
Secure bool
HttpOnly bool
MaxAge int
}
type SessionManager struct {
SessionID string
Storer session.Store
MaxAge int
}
func (s *SessionManager) Load(ctx context.Context) session.Value {
return s.Storer.Load(ctx, s.SessionID)
}
func (s *SessionManager) Save(ctx context.Context, value session.Value) error {
return s.Storer.Save(ctx, s.SessionID, value)
}
func (s *SessionManager) SetMaxAge(maxAge int) {
s.MaxAge = maxAge
}
func Session(config *SessionConfig, storer session.Store) Middleware {
return func(h http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
sessionID := objectid.New().String()
cookie, err := r.Cookie(config.SessionCookie)
if err == nil {
sessionID = cookie.Value
}
sessionManager := &SessionManager{SessionID: sessionID, Storer: storer, MaxAge: config.MaxAge}
h.ServeHTTP(w, r.WithContext(context.WithValue(r.Context(), sessionKey, &sessionManager)))
http.SetCookie(w, &http.Cookie{
Name: config.SessionCookie,
Value: sessionID,
Path: config.Path,
Domain: config.Domain,
Secure: config.Secure,
HttpOnly: config.HttpOnly,
MaxAge: sessionManager.MaxAge,
})
})
}
}
func SessionFromRequest(r *http.Request) *SessionManager {
return r.Context().Value(sessionKey).(*SessionManager)
}
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