####Version 1.7.21

* feature: add SessionManager.RemoveSessionState to delete the session state associated with a specific session ID
* feature: add HttpContext.DestorySession() to delete all contents of the session and set the sessionId to empty
* For my birthday!
* 2023-04-15 16:00 at ShangHai

consts.go

@@ -3,7 +3,7 @@ package dotweb
 // Global define
 const (
 	// Version current version
-	Version = "1.7.20"
+	Version = "1.7.21"
 )
 
 // Log define

context.go

@@ -54,6 +54,7 @@ type (
 		ViewData() core.ConcurrenceMap
 		SessionID() string
 		Session() (state *session.SessionState)
+		DestorySession() error
 		Hijack() (*HijackConn, error)
 		IsHijack() bool
 		IsWebSocket() bool
@@ -299,7 +300,7 @@ func (ctx *HttpContext) Tools() *Tools {
 	return ctx.tools
 }
 
-// AppSetConfig get appset from config file
+// ConfigSet get appset from config file
 // update for issue #16 Config file
 func (ctx *HttpContext) ConfigSet() core.ReadonlyMap {
 	return ctx.HttpServer().DotApp.Config.ConfigSet
@@ -317,17 +318,28 @@ func (ctx *HttpContext) ViewData() core.ConcurrenceMap {
 // Session get session state in current context
 func (ctx *HttpContext) Session() (state *session.SessionState) {
 	if ctx.httpServer == nil {
-		// return nil, errors.New("no effective http-server")
 		panic("no effective http-server")
 	}
 	if !ctx.httpServer.SessionConfig().EnabledSession {
-		// return nil, errors.New("http-server not enabled session")
 		panic("http-server not enabled session")
 	}
 	state, _ = ctx.httpServer.sessionManager.GetSessionState(ctx.sessionID)
 	return state
 }
 
+// DestorySession delete all contents of the session and set the sessionId to empty
+func (ctx *HttpContext) DestorySession() error {
+	if ctx.httpServer != nil {
+		ctx.Session().Clear()
+		if err := ctx.HttpServer().sessionManager.RemoveSessionState(ctx.SessionID()); err != nil {
+			return err
+		}
+		ctx.sessionID = ""
+		ctx.SetCookieValue(session.DefaultSessionCookieName, "", -1)
+	}
+	return nil
+}
+
 // Hijack make current connection to hijack mode
 func (ctx *HttpContext) Hijack() (*HijackConn, error) {
 	hj, ok := ctx.response.Writer().(http.Hijacker)
@@ -353,7 +365,7 @@ func (ctx *HttpContext) IsEnd() bool {
 	return ctx.isEnd
 }
 
-// Redirect redirect replies to the request with a redirect to url and with httpcode
+// Redirect replies to the request with a redirect to url and with httpcode
 // default you can use http.StatusFound
 func (ctx *HttpContext) Redirect(code int, targetUrl string) error {
 	return ctx.response.Redirect(code, targetUrl)

example/main.go

@@ -121,6 +121,19 @@ func Time(ctx dotweb.Context) error {
 	return nil
 }
 
+func LogOut(ctx dotweb.Context) error {
+	err := ctx.DestorySession()
+	if err != nil {
+		ctx.WriteString(err)
+		return err
+	}
+	err = ctx.Redirect(http.StatusMovedPermanently, "index?fromlogout")
+	if err != nil {
+		ctx.WriteString(err)
+	}
+	return err
+}
+
 func OutputTestInfo(ctx dotweb.Context) error {
 	return ctx.WriteString(ctx.(*testContext).TestInfo)
 }
@@ -194,6 +207,7 @@ func InitRoute(server *dotweb.HttpServer) {
 	server.GET("/redirect", Redirect)
 	server.POST("/readpost", ReadPost)
 	server.GET("/pretty", IndexPretty)
+	server.GET("/logout", LogOut)
 	//server.Router().RegisterRoute(dotweb.RouteMethod_GET, "/index", IndexReg)
 }
 

session/session.go

@@ -159,6 +159,11 @@ func (manager *SessionManager) GetSessionState(sessionId string) (session *Sessi
 	return session, nil
 }
 
+// RemoveSessionState delete the session state associated with a specific session ID
+func (manager *SessionManager) RemoveSessionState(sessionId string) error {
+	return manager.store.SessionRemove(sessionId)
+}
+
 // GC loop gc session data
 func (manager *SessionManager) GC() {
 	num := manager.store.SessionGC()

session/sessionstate.go

@@ -32,7 +32,7 @@ func NewSessionState(store SessionStore, sessionId string, values map[interface{
 	return state
 }
 
-// Set set key-value to current state
+// Set key-value to current state
 func (state *SessionState) reset(store SessionStore, sessionId string, values map[interface{}]interface{}, accessTime time.Time) {
 	state.values = values
 	state.sessionId = sessionId
@@ -41,7 +41,7 @@ func (state *SessionState) reset(store SessionStore, sessionId string, values ma
 	state.lock = new(sync.RWMutex)
 }
 
-// Set set key-value to current state
+// Set key-value to current state
 func (state *SessionState) Set(key, value interface{}) error {
 	state.lock.Lock()
 	defer state.lock.Unlock()
@@ -50,7 +50,7 @@ func (state *SessionState) Set(key, value interface{}) error {
 
 }
 
-// Get get value by key in current state
+// Get value by key in current state
 func (state *SessionState) Get(key interface{}) interface{} {
 	state.lock.RLock()
 	defer state.lock.RUnlock()
@@ -60,33 +60,33 @@ func (state *SessionState) Get(key interface{}) interface{} {
 	return nil
 }
 
-// Get get value as string by key in current state
+// GetString Get value as string by key in current state
 func (state *SessionState) GetString(key interface{}) string {
 	v := state.Get(key)
 	return fmt.Sprint(v)
 }
 
-// Get get value as int by key in current state
+// GetInt Get value as int by key in current state
 func (state *SessionState) GetInt(key interface{}) int {
 	v, _ := strconv.Atoi(state.GetString(key))
 	return v
 }
 
-// Get get value as int64 by key in current state
+// GetInt64 Get value as int64 by key in current state
 func (state *SessionState) GetInt64(key interface{}) int64 {
 	v, _ := strconv.ParseInt(state.GetString(key), 10, 64)
 	return v
 }
 
-// Remove remove value by key in current state
+// Remove value by key in current state
 func (state *SessionState) Remove(key interface{}) error {
 	state.lock.Lock()
 	defer state.lock.Unlock()
 	delete(state.values, key)
 	return nil
 }
 
-// Clear clear all values in current store
+// Clear delete all values in current store
 func (state *SessionState) Clear() error {
 	state.lock.Lock()
 	defer state.lock.Unlock()

version.MD

@@ -1,5 +1,11 @@
 ## dotweb版本记录：
 
+####Version 1.7.21
+* feature: add SessionManager.RemoveSessionState to delete the session state associated with a specific session ID
+* feature: add HttpContext.DestorySession() to delete all contents of the session and set the sessionId to empty
+* For my birthday!
+* 2023-04-15 16:00 at ShangHai
+
 ####Version 1.7.20
 * Bug fix: delete minor unreachable code caused by log.Fatal
 * Thanks to @Abirdcfly for PR #248