Golang Session.Name方法代碼示例

func (s *Store) save(session *sessions.Session) error {
	encoded, err := securecookie.EncodeMulti(session.Name(), session.Values,
		s.codecs...)

	if err != nil {
		return err
	}

	var expiresOn time.Time

	exOn := session.Values["expires_on"]

	if exOn == nil {
		expiresOn = time.Now().Add(time.Second * time.Duration(session.Options.MaxAge))
	} else {
		expiresOn = exOn.(time.Time)
		if expiresOn.Sub(time.Now().Add(time.Second*time.Duration(session.Options.MaxAge))) < 0 {
			expiresOn = time.Now().Add(time.Second * time.Duration(session.Options.MaxAge))
		}
	}
	ss := &Session{
		Key:       session.ID,
		Data:      encoded,
		ExpiresOn: expiresOn,
	}
	if session.IsNew {
		return s.q.SaveSession(ss)
	}
	return s.q.UpdateSession(ss)
}

func (s *RedisStore) save(session *sessions.Session) error {
	encoded, err := securecookie.EncodeMulti(session.Name(), session.Values, s.Codecs...)
	if err != nil {
		return err
	}
	c := s.storeHandler.GetRedisConnection()
	defer c.Close()
	if session.ID == "" {
		// Because the ID is used in the filename, encode it to
		// use alphanumeric characters only.
		session.ID = strings.TrimRight(base32.StdEncoding.EncodeToString(securecookie.GenerateRandomKey(32)), "=")
	}
	c.Send("SET", "morioka_sess_"+session.ID, encoded)
	if err = c.Flush(); err != nil {
		return err
	}
	if _, err = c.Receive(); err != nil {
		return err
	}
	c.Send("EXPIRE", "morioka_sess_"+session.ID, 86400)
	if err = c.Flush(); err != nil {
		return err
	}
	if _, err = c.Receive(); err != nil {
		return err
	}
	return nil
}

func (s *RethinkDBStore) save(session *sessions.Session) error {
	values := map[string]interface{}{}
	for k, v := range session.Values {
		kstr, ok := k.(string)
		if !ok {
			return errors.New("cannot serialize non-string value key")
		}

		values[kstr] = v
	}

	json := map[string]interface{}{
		"name":   session.Name(),
		"values": values,
	}

	var write gorethink.WriteResponse
	var err error
	if session.ID != "" {
		write, err = s.term.Get(session.ID).Update(json).RunWrite(s.rethinkdbSession)
		if err == nil && write.Updated == 0 {
			json["id"] = session.ID
		}
	}

	if write.Updated == 0 {
		write, err = s.term.Insert(json).RunWrite(s.rethinkdbSession)
		if err == nil && len(write.GeneratedKeys) > 0 {
			session.ID = write.GeneratedKeys[0]
		}
	}

	return err
}

func (m *MongoStore) upsert(session *sessions.Session) error {
	if !bson.IsObjectIdHex(session.ID) {
		return ErrInvalidId
	}

	var modified time.Time
	if val, ok := session.Values["modified"]; ok {
		modified, ok = val.(time.Time)
		if !ok {
			return errors.New("mongostore: invalid modified value")
		}
	} else {
		modified = time.Now()
	}

	encoded, err := securecookie.EncodeMulti(session.Name(), session.Values,
		m.Codecs...)
	if err != nil {
		return err
	}

	s := Session{
		Id:       bson.ObjectIdHex(session.ID),
		Data:     encoded,
		Modified: modified,
	}

	_, err = m.coll.UpsertId(s.Id, &s)
	if err != nil {
		return err
	}

	return nil
}

// load reads a file and decodes its content into session.Values.
func (s *DumbMemoryStore) load(session *sessions.Session) error {

	if err := securecookie.DecodeMulti(session.Name(), string(s.Data[session.ID]),
		&session.Values, s.Codecs...); err != nil {
		return err
	}
	return nil
}

//load fetches a session by ID from the database and decodes its content into session.Values
func (db *PGStore) load(session *sessions.Session) error {
	s, err := query.GetSessionByKey(session.ID)
	if err != nil {
		return err
	}
	return securecookie.DecodeMulti(session.Name(), string(s.Data),
		&session.Values, db.Codecs...)
}

//load fetches a session by ID from the database and decodes its content into session.Values
func (s *Store) load(session *sessions.Session) error {
	ss, err := s.q.GetSessionByKey(session.ID)
	if err != nil {
		return err
	}
	return securecookie.DecodeMulti(session.Name(), string(ss.Data),
		&session.Values, s.codecs...)
}

func (s *Store) destroy(r *http.Request, w http.ResponseWriter, session *sessions.Session) error {
	options := *s.options
	options.MaxAge = -1
	http.SetCookie(w, sessions.NewCookie(session.Name(), "", &options))
	for k := range session.Values {
		delete(session.Values, k)
	}
	return s.q.DeleteSession(session.ID)
}

func saveCookie(w http.ResponseWriter, s *sessions.Session, store *sessions.CookieStore) (string, error) {
	encoded, err := securecookie.EncodeMulti(s.Name(), s.Values, store.Codecs...)
	if err != nil {
		return "", err
	}
	cookie := sessions.NewCookie(s.Name(), encoded, s.Options)
	http.SetCookie(w, cookie)
	return cookie.Value, nil
}

// save writes encoded session.Values using the memcache client
func (s *DumbMemoryStore) save(session *sessions.Session) error {
	encoded, err := securecookie.EncodeMulti(session.Name(), session.Values,
		s.Codecs...)
	if err != nil {
		return err
	}

	s.Data[session.ID] = encoded

	return nil
}

// load fetches a session by ID from the database and decodes its content
// into session.Values
func (db *PGStore) load(session *sessions.Session) error {
	var s Session
	err := db.DbMap.SelectOne(&s, "SELECT * FROM http_sessions WHERE key = $1", session.ID)

	if err := securecookie.DecodeMulti(session.Name(), string(s.Data),
		&session.Values, db.Codecs...); err != nil {
		return err
	}

	return err
}

func (s *RethinkDBStore) Save(r *http.Request, w http.ResponseWriter, session *sessions.Session) error {
	if err := s.save(session); err != nil {
		return err
	}
	encoded, err := securecookie.EncodeMulti(session.Name(), session.ID, s.Codecs...)
	if err != nil {
		return err
	}
	http.SetCookie(w, sessions.NewCookie(session.Name(), encoded, session.Options))
	return nil
}

// save writes encoded session.Values to a database record.
// writes to http_sessions table by default.
func (db *DatabaseStore) save(session *sessions.Session) error {
	encoded, err := securecookie.EncodeMulti(session.Name(), session.Values,
		db.Codecs...)

	if err != nil {
		return err
	}

	fn := func(dbConn *sql.DB) error {
		// Write record to sessions table.
		var sessionCount int = -1

		// Session exists?
		row := dbConn.QueryRow("SELECT COUNT(key) AS count FROM \""+SESSIONS_TABLE+"\" WHERE key = $1", session.ID)

		err := row.Scan(&sessionCount)
		if err != nil {
			return err
		}

		tx, err := dbConn.Begin()
		if err != nil {
			return err
		}

		if sessionCount > 0 {
			// update
			_, err = tx.Exec("UPDATE \""+SESSIONS_TABLE+"\" SET data = $1 WHERE key = $2",
				encoded, session.ID)
			if err != nil {
				return err
			}
		} else if sessionCount == 0 {
			// insert
			_, err = tx.Exec("INSERT INTO \""+SESSIONS_TABLE+"\" (key, data) VALUES($1,$2)",
				session.ID, encoded)
			if err != nil {
				return err
			}
		} else {
			// error
			err = errors.New("There was an error while trying to lookup a previous session.")
			return err
		}

		if err = tx.Commit(); err != nil {
			return err
		}

		return nil
	}

	return dbLib.ExecuteFn(fn)
}

// Save saves a session to the store. If the session has no ID, Save assigns
// a random one. This implementation of Save never returns a non-nil error
// if client is storing sessions data in a *RamSessions instance.
func (s *RAMStore) Save(r *http.Request, w http.ResponseWriter, session *sessions.Session) error {
	if session.ID == "" {
		session.ID = strings.TrimRight(
			base32.StdEncoding.EncodeToString(
				securecookie.GenerateRandomKey(32)), "=")
	}
	if err := s.save(session); err != nil {
		return err
	}
	http.SetCookie(w, sessions.NewCookie(session.Name(), session.ID, session.Options))
	return nil
}

// load reads from redis and decodes its content into session.Values.
func (s *RedisStore) load(session *sessions.Session) error {

	c := s.redisPool.Get()
	defer c.Close()

	encoded, err := redis.String(c.Do("GET", "s:"+session.ID))
	if err != nil {
		return err
	}

	return securecookie.DecodeMulti(session.Name(), encoded, &session.Values, s.Codecs...)
}