forked from plimble/ace
/
store.go
66 lines (51 loc) · 1.14 KB
/
store.go
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package sessions
import (
"bytes"
"net/http"
"sync"
)
type Store interface {
Get(id string, buf *bytes.Buffer) error
Save(session *Session, buf *bytes.Buffer, w http.ResponseWriter) error
Delete(session *Session, w http.ResponseWriter) error
}
type MemoryStore struct {
sync.RWMutex
data map[string][]byte
}
type memoryError struct {
text string
}
func newMemoryError(text string) *memoryError {
return &memoryError{text}
}
func (m *memoryError) Error() string {
return m.text
}
func NewMemoryStore() *MemoryStore {
s := &MemoryStore{
data: make(map[string][]byte),
}
return s
}
func (s *MemoryStore) Get(id string, buf *bytes.Buffer) error {
b, ok := s.data[id]
if !ok {
return newMemoryError("not found")
}
_, err := buf.Write(b)
return err
}
func (s *MemoryStore) Delete(session *Session, _ http.ResponseWriter) error {
s.Lock()
delete(s.data, session.ID)
s.Unlock()
return nil
}
func (s *MemoryStore) Save(session *Session, buf *bytes.Buffer, w http.ResponseWriter) error {
s.Lock()
s.data[session.ID] = buf.Bytes()
s.Unlock()
http.SetCookie(w, NewCookie(session.Name(), session.ID, session.Options))
return nil
}