authelia/internal/session/session.go

117 lines
2.7 KiB
Go

package session
import (
"encoding/json"
"time"
"github.com/fasthttp/session/v2"
"github.com/valyala/fasthttp"
"github.com/authelia/authelia/v4/internal/configuration/schema"
)
// Session a session provider.
type Session struct {
Config schema.SessionCookie
sessionHolder *session.Session
}
// NewDefaultUserSession returns a new default UserSession for this session provider.
func (p *Session) NewDefaultUserSession() (userSession UserSession) {
userSession = NewDefaultUserSession()
userSession.CookieDomain = p.Config.Domain
return userSession
}
// GetSession return the user session from a request.
func (p *Session) GetSession(ctx *fasthttp.RequestCtx) (userSession UserSession, err error) {
var store *session.Store
if store, err = p.sessionHolder.Get(ctx); err != nil {
return p.NewDefaultUserSession(), err
}
userSessionJSON, ok := store.Get(userSessionStorerKey).([]byte)
// If userSession is not yet defined we create the new session with default values
// and save it in the store.
if !ok {
userSession = p.NewDefaultUserSession()
store.Set(userSessionStorerKey, userSession)
return userSession, nil
}
if err = json.Unmarshal(userSessionJSON, &userSession); err != nil {
return p.NewDefaultUserSession(), err
}
return userSession, nil
}
// SaveSession save the user session.
func (p *Session) SaveSession(ctx *fasthttp.RequestCtx, userSession UserSession) (err error) {
var (
store *session.Store
userSessionJSON []byte
)
if store, err = p.sessionHolder.Get(ctx); err != nil {
return err
}
if userSessionJSON, err = json.Marshal(userSession); err != nil {
return err
}
store.Set(userSessionStorerKey, userSessionJSON)
if err = p.sessionHolder.Save(ctx, store); err != nil {
return err
}
return nil
}
// RegenerateSession regenerate a session ID.
func (p *Session) RegenerateSession(ctx *fasthttp.RequestCtx) error {
return p.sessionHolder.Regenerate(ctx)
}
// DestroySession destroy a session ID and delete the cookie.
func (p *Session) DestroySession(ctx *fasthttp.RequestCtx) error {
return p.sessionHolder.Destroy(ctx)
}
// UpdateExpiration update the expiration of the cookie and session.
func (p *Session) UpdateExpiration(ctx *fasthttp.RequestCtx, expiration time.Duration) (err error) {
var store *session.Store
if store, err = p.sessionHolder.Get(ctx); err != nil {
return err
}
err = store.SetExpiration(expiration)
if err != nil {
return err
}
return p.sessionHolder.Save(ctx, store)
}
// GetExpiration get the expiration of the current session.
func (p *Session) GetExpiration(ctx *fasthttp.RequestCtx) (time.Duration, error) {
store, err := p.sessionHolder.Get(ctx)
if err != nil {
return time.Duration(0), err
}
return store.GetExpiration(), nil
}