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store.go
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store.go
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package session
import (
"context"
"net/http"
"github.com/gorilla/csrf"
"github.com/gorilla/securecookie"
"github.com/gorilla/sessions"
"github.com/pkg/errors"
)
type Store struct {
Config Config
BackingStore sessions.Store
Codecs []securecookie.Codec
}
func (ss *Store) CSRFOptions() CSRFOptions {
return ss.Config.CSRFOptions
}
func (ss *Store) New(r *http.Request) (*sessions.Session, error) {
sess, err := ss.BackingStore.New(r, ss.Config.CookieName)
return sess, errors.Wrap(err, "couldn't make session")
}
func (ss *Store) Get(r *http.Request) (*sessions.Session, error) {
sess, err := ss.BackingStore.Get(r, ss.Config.CookieName)
return sess, errors.Wrap(err, "couldn't get session from request")
}
func (ss *Store) Lookup(id string) (*sessions.Session, error) {
r, err := http.NewRequestWithContext(context.Background(), "GET", "/", nil)
if err != nil {
return nil, errors.Wrap(err, "couldn't generate HTTP request to get session")
}
encrypted, err := securecookie.EncodeMulti(ss.Config.CookieName, id, ss.Codecs...)
if err != nil {
return nil, errors.Wrap(err, "couldn't generate encoded HTTP cookie to get session")
}
r.AddCookie(sessions.NewCookie(ss.Config.CookieName, encrypted, &ss.Config.CookieOptions))
sess, err := ss.BackingStore.Get(r, ss.Config.CookieName)
return sess, errors.Wrap(err, "couldn't get session without request")
}
func (ss *Store) NewCSRFMiddleware(opts ...csrf.Option) func(http.Handler) http.Handler {
return NewCSRFMiddleware(ss.Config, opts...)
}