// load reads a file and decodes its content into session.Values.
func (s *FilesystemStore) load(session *Session) error {
filename := s.path + "session_" + session.ID
fp, err := os.OpenFile(filename, os.O_RDONLY, 0400)
if err != nil {
return err
}
defer fp.Close()
var fdata []byte
buf := make([]byte, 128)
for {
var n int
n, err = fp.Read(buf[0:])
fdata = append(fdata, buf[0:n]...)
if err != nil {
if err == io.EOF {
break
}
return err
}
}
if err = securecookie.DecodeMulti(session.Name(), string(fdata),
&session.Values, s.Codecs...); err != nil {
return err
}
return nil
}
func Regen(r *http.Request) (uint64, error) {
name := "remember"
c, err := r.Cookie(name)
if err != nil {
if err == http.ErrNoCookie {
return 0, nil
}
fmt.Println("cookie err", err)
return 0, err
}
vals := make([]interface{}, 2)
err = securecookie.DecodeMulti(name, c.Value, &vals, sessionStore.Codecs...)
if err != nil {
return 0, err
}
id := vals[0].(uint64)
se, rerr := RedisClient.Get(fmt.Sprintf("user:%d:password", id))
if rerr != nil {
return 0, rerr
}
ph := passwordhash.NewSaltIter(se.String(), rememberKey, passwordhash.DefaultIterations)
if string(ph.Hash) == vals[1].(string) {
return id, nil
}
return 0, nil
}
func (s *MongoStore) New(r *http.Request, name string) (*sessions.Session,
error) {
session := sessions.NewSession(s, name)
session.Options = &(*s.Options)
session.IsNew = true
var err error
if c, errCookie := r.Cookie(name); errCookie == nil {
err = securecookie.DecodeMulti(name, c.Value, &session.ID,
s.Codecs...)
if err == nil {
err = s.load(session)
if err == nil {
session.IsNew = false
}
}
}
// Remove older sessions
s.DBCollection.RemoveAll(bson.M{
"age": bson.M{
"$lt": bson.Now().Add(time.Duration(-s.Options.MaxAge) * time.Second),
},
})
return session, err
}
func (s *MongoStore) load(session *sessions.Session) error {
mg := &MgSessionTbl{SessionID: []byte(session.ID)}
err := s.DBCollection.Find(bson.M{"sessionid": []byte(session.ID)}).One(mg)
if err == nil {
err = securecookie.DecodeMulti(session.Name(),
string(mg.Encoded), &session.Values, s.Codecs...)
}
return err
}
// New returns a session for the given name without adding it to the registry.
//
// The difference between New() and Get() is that calling New() twice will
// decode the session data twice, while Get() registers and reuses the same
// decoded session after the first call.
func (s *CookieStore) New(r *http.Request, name string) (*Session, error) {
session := NewSession(s, name)
session.IsNew = true
var err error
if c, errCookie := r.Cookie(name); errCookie == nil {
err = securecookie.DecodeMulti(name, c.Value, &session.Values,
s.Codecs...)
if err == nil {
session.IsNew = false
}
}
return session, err
}
// New returns a session for the given name without adding it to the registry.
//
// See CookieStore.New().
func (s *FilesystemStore) New(r *http.Request, name string) (*Session, error) {
session := NewSession(s, name)
session.Options = &(*s.Options)
session.IsNew = true
var err error
if c, errCookie := r.Cookie(name); errCookie == nil {
err = securecookie.DecodeMulti(name, c.Value, &session.ID, s.Codecs...)
if err == nil {
err = s.load(session)
if err == nil {
session.IsNew = false
}
}
}
return session, err
}
// load reads a file and decodes its content into session.Values.
func (s *redisStore) load(session *sessions.Session) error {
if session.Name() == "remember" {
return nil
}
key := "session:" + session.ID
se, rerr := RedisClient.Get(key)
if rerr != nil {
return rerr
}
ss := se.String()
if ss == "" {
return nil
}
err := securecookie.DecodeMulti(session.Name(), ss, &session.Values, s.Codecs...)
if err != nil {
return err
}
return nil
}
// New returns a session for the given name without adding it to the registry.
//
// See CookieStore.New().
func (s *redisStore) New(r *http.Request, name string) (*sessions.Session, error) {
var c *http.Cookie
var err error
c, err = r.Cookie(name)
if err != nil && err != http.ErrNoCookie {
return nil, err
}
var session *sessions.Session
session = sessions.NewSession(s, name)
session.IsNew = true
if c != nil {
securecookie.DecodeMulti(name, c.Value, &session.ID, s.Codecs...)
s.load(session)
if len(session.Values) > 0 {
session.IsNew = false
}
}
return session, nil
}
