/
provider.go
159 lines (119 loc) · 3.54 KB
/
provider.go
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package session
import (
"crypto/x509"
"encoding/json"
"time"
fasthttpsession "github.com/fasthttp/session/v2"
"github.com/fasthttp/session/v2/providers/memory"
"github.com/fasthttp/session/v2/providers/redis"
"github.com/valyala/fasthttp"
"github.com/authelia/authelia/v4/internal/configuration/schema"
"github.com/authelia/authelia/v4/internal/logging"
)
// Provider a session provider.
type Provider struct {
sessionHolder *fasthttpsession.Session
RememberMe time.Duration
Inactivity time.Duration
}
// NewProvider instantiate a session provider given a configuration.
func NewProvider(config schema.SessionConfiguration, certPool *x509.CertPool) *Provider {
c := NewProviderConfig(config, certPool)
provider := new(Provider)
provider.sessionHolder = fasthttpsession.New(c.config)
logger := logging.Logger()
provider.Inactivity, provider.RememberMe = config.Inactivity, config.RememberMeDuration
var (
providerImpl fasthttpsession.Provider
err error
)
switch {
case c.redisConfig != nil:
providerImpl, err = redis.New(*c.redisConfig)
if err != nil {
logger.Fatal(err)
}
case c.redisSentinelConfig != nil:
providerImpl, err = redis.NewFailoverCluster(*c.redisSentinelConfig)
if err != nil {
logger.Fatal(err)
}
default:
providerImpl, err = memory.New(memory.Config{})
if err != nil {
logger.Fatal(err)
}
}
err = provider.sessionHolder.SetProvider(providerImpl)
if err != nil {
logger.Fatal(err)
}
return provider
}
// GetSession return the user session from a request.
func (p *Provider) GetSession(ctx *fasthttp.RequestCtx) (UserSession, error) {
store, err := p.sessionHolder.Get(ctx)
if err != nil {
return 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 := NewDefaultUserSession()
store.Set(userSessionStorerKey, userSession)
return userSession, nil
}
var userSession UserSession
err = json.Unmarshal(userSessionJSON, &userSession)
if err != nil {
return NewDefaultUserSession(), err
}
return userSession, nil
}
// SaveSession save the user session.
func (p *Provider) SaveSession(ctx *fasthttp.RequestCtx, userSession UserSession) error {
store, err := p.sessionHolder.Get(ctx)
if err != nil {
return err
}
userSessionJSON, err := json.Marshal(userSession)
if err != nil {
return err
}
store.Set(userSessionStorerKey, userSessionJSON)
err = p.sessionHolder.Save(ctx, store)
if err != nil {
return err
}
return nil
}
// RegenerateSession regenerate a session ID.
func (p *Provider) RegenerateSession(ctx *fasthttp.RequestCtx) error {
err := p.sessionHolder.Regenerate(ctx)
return err
}
// DestroySession destroy a session ID and delete the cookie.
func (p *Provider) DestroySession(ctx *fasthttp.RequestCtx) error {
return p.sessionHolder.Destroy(ctx)
}
// UpdateExpiration update the expiration of the cookie and session.
func (p *Provider) UpdateExpiration(ctx *fasthttp.RequestCtx, expiration time.Duration) error {
store, err := p.sessionHolder.Get(ctx)
if 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 *Provider) 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
}