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session.go
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session.go
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package sys
import (
"io"
"path/filepath"
"github.com/patrickmn/go-cache"
uuid "github.com/satori/go.uuid"
"github.com/ProxeusApp/proxeus-core/storage"
"github.com/ProxeusApp/proxeus-core/sys/model"
)
type Session struct {
S *model.Session
db *storage.DBSet
cache *cache.Cache
}
func NewSession(sys *System, usr *model.User) (*Session, error) {
s := &model.Session{
ID: uuid.NewV4().String(),
Rights: usr.Role,
UsrID: usr.ID,
UserName: usr.Name,
SessionDir: usr.ID + "_" + uuid.NewV4().String(),
}
err := sys.DB.Session.Put(s)
return &Session{S: s, db: sys.DB, cache: sys.cache}, err
}
var _ model.Auth = (*Session)(nil)
func (s *Session) UserID() string {
return s.S.UsrID
}
func (s *Session) AccessRights() model.Role {
if s.S.UserName == "anonymous" {
return model.USER
}
return s.S.Rights
}
func (s *Session) GetSessionDir() string {
return s.S.SessionDir
}
func (s *Session) FilePath(filename string) string {
return filepath.Join(s.S.SessionDir, filename)
}
func (s *Session) WriteFile(filename string, reader io.Reader) error {
return s.db.Files.Write(s.FilePath(filename), reader)
}
func (s *Session) DeleteFile(filename string) error {
return s.db.Files.Delete(s.FilePath(filename))
}
func (s *Session) Delete(k string) {
s.db.Session.DeleteValue(s.key(k))
}
func (s *Session) Put(k string, val interface{}) {
s.db.Session.PutValue(s.key(k), val)
}
func (s *Session) Get(k string, ref interface{}) error {
return s.db.Session.GetValue(s.key(k), ref)
}
func (s *Session) GetMemory(k string) (interface{}, bool) {
k2 := s.key(k)
v, ok := s.cache.Get(k2)
if ok {
// touch to prolong expiration
s.cache.SetDefault(k2, v)
}
return v, ok
}
func (s *Session) PutMemory(k string, val interface{}) {
s.cache.SetDefault(s.key(k), val)
}
func (s *Session) DeleteMemory(k string) {
s.cache.Delete(s.key(k))
}
func (s *Session) DeleteAll() error {
return s.db.Session.Delete(s.S)
}
func (s *Session) key(k string) string {
return s.S.ID + "_" + s.S.UsrID + "_" + k
}