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session
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Session management
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session
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# Session Session Management for QOR It wrapped other libs like [SCS](https://github.com/alexedwards/scs), [Gorilla Session](http://www.gorillatoolkit.org/pkg/sessions) into a common interface, which will be used for QOR libs and your application. ## Basic Usage ```go import ( "github.com/gorilla/sessions" "github.com/qor/session/gorilla" // "github.com/alexedwards/scs/engine/memstore" ) var SessionManager = session.ManagerInterface func main() { // Use gorilla session as the backend engine := sessions.NewCookieStore([]byte("something-very-secret")) SessionManager = gorilla.New("_session", engine) // Use SCS as the backend // engine := memstore.New(0) // SessionManager := scs.New(engine) mux := http.NewServeMux() mux.HandleFunc("/put", putHandler) mux.HandleFunc("/get", getHandler) // Your routes // Wrap your application's handlers or router with session manager's middleware http.ListenAndServe(":7000", manager.Middleware(mux)) } func putHandler(w http.ResponseWriter, req *http.Request) { // Store a key and associated value into session data SessionManager.Add(w, req, "key", "value") } func getHandler(w http.ResponseWriter, req *http.Request) { // Get saved session data with key value := SessionManager.Get(req, "key") io.WriteString(w, value) } ``` ## Session Manager's Interface ```go type ManagerInterface interface { // Add value to session data, if value is not string, will marshal it into JSON encoding and save it into session data. Add(w http.ResponseWriter, req *http.Request, key string, value interface{}) error // Get value from session data Get(req *http.Request, key string) string // Pop value from session data Pop(w http.ResponseWriter, req *http.Request, key string) string // Flash add flash message to session data Flash(w http.ResponseWriter, req *http.Request, message Message) error // Flashes returns a slice of flash messages from session data Flashes(w http.ResponseWriter, req *http.Request) []Message // Load get value from session data and unmarshal it into result Load(req *http.Request, key string, result interface{}) error // PopLoad pop value from session data and unmarshal it into result PopLoad(w http.ResponseWriter, req *http.Request, key string, result interface{}) error // Middleware returns a new session manager middleware instance. Middleware(http.Handler) http.Handler } ``` ## QOR Integration We have created a default session manager in package `github.com/qor/session/manager`, which is used in some QOR libs like QOR Admin, QOR Auth by default to manage session, flash messages. It is defined like below: ```go var SessionManager session.ManagerInterface = gorilla.New("_session", sessions.NewCookieStore([]byte("secret"))) ``` You should change it to your own session storage or use your own secret code. ```go import ( "github.com/qor/session/manager" ) func main() { // Overwrite session manager engine := sessions.NewCookieStore([]byte("your-own-secret-code")) manager.SessionManager = gorilla.New("_gorilla_session", engine) } ``` ## License Released under the [MIT License](http://opensource.org/licenses/MIT).
