Fix https://github.com/kataras/iris/issues/244 and some more things

context.go

@@ -713,15 +713,8 @@ func (ctx *Context) SetCookieKV(key, value string) {
 
 // RemoveCookie deletes a cookie by it's name/key
 func (ctx *Context) RemoveCookie(name string) {
-	cookie := fasthttp.AcquireCookie()
-	cookie.SetKey(name)
-	cookie.SetValue("")
-	cookie.SetPath("/")
-	cookie.SetHTTPOnly(true)
-	exp := time.Now().Add(-time.Duration(1) * time.Minute) //RFC says 1 second, but make sure 1 minute because we are using fasthttp
-	cookie.SetExpire(exp)
-	ctx.Response.Header.SetCookie(cookie)
-	fasthttp.ReleaseCookie(cookie)
+	ctx.RequestCtx.Request.Header.DelCookie(name)
+	ctx.RequestCtx.Response.Header.DelClientCookie(name)
 }
 
 // GetFlash get a flash message by it's key

sessions/manager.go

@@ -23,10 +23,9 @@ type (
 	// Manager implements the IManager interface
 	// contains the cookie's name, the provider and a duration for GC and cookie life expire
 	Manager struct {
-		config         *config.Sessions
-		provider       IProvider
-		mu             sync.Mutex
-		compiledCookie string
+		config   *config.Sessions
+		provider IProvider
+		mu       sync.Mutex
 	}
 )
 
@@ -47,7 +46,7 @@ func newManager(c config.Sessions) (*Manager, error) {
 	manager := &Manager{}
 	manager.config = &c
 	manager.provider = provider
-	manager.compiledCookie = base64.URLEncoding.EncodeToString([]byte(c.Cookie))
+	manager.config.Cookie = base64.URLEncoding.EncodeToString([]byte(c.Cookie)) // change the cookie's name/key to a more safe
 	return manager, nil
 }
 
@@ -83,41 +82,45 @@ func (m *Manager) Start(ctx context.IContext) store.IStore {
 	m.mu.Lock()
 	var store store.IStore
 	requestCtx := ctx.GetRequestCtx()
-	cookieValue := string(requestCtx.Request.Header.Cookie(m.compiledCookie))
+	cookieValue := string(requestCtx.Request.Header.Cookie(m.config.Cookie))
 
 	if cookieValue == "" { // cookie doesn't exists, let's generate a session and add set a cookie
 		sid := m.generateSessionID()
 		store, _ = m.provider.Init(sid)
 		cookie := fasthttp.AcquireCookie()
 		// The RFC makes no mention of encoding url value, so here I think to encode both sessionid key and the value using the safe(to put and to use as cookie) url-encoding
-		cookie.SetKey(m.compiledCookie)
+		cookie.SetKey(m.config.Cookie)
 		cookie.SetValue(base64.URLEncoding.EncodeToString([]byte(sid)))
 		cookie.SetPath("/")
 		if !m.config.DisableSubdomainPersistance {
 			requestDomain := ctx.HostString()
+			// there is a problem with .localhost setted as the domain, so we check that first
+			if strings.Count(requestDomain, ".") > 0 {
+				if portIdx := strings.IndexByte(requestDomain, ':'); portIdx > 0 {
+					requestDomain = requestDomain[0:portIdx]
+				}
+				// RFC2109, we allow level 1 subdomains, but no further
+				// if we have localhost.com , we want the localhost.com.
+				// so if we have something like: mysubdomain.localhost.com we want the localhost here
+				// if we have mysubsubdomain.mysubdomain.localhost.com we want the .mysubdomain.localhost.com here
+				// slow things here, especially the 'replace' but this is a good and understable( I hope) way to get the be able to set cookies from subdomains & domain with 1-level limit
+				if dotIdx := strings.LastIndexByte(requestDomain, dotB); dotIdx > 0 {
+					// is mysubdomain.localhost.com || mysubsubdomain.mysubdomain.localhost.com
+					s := requestDomain[0:dotIdx] // set mysubdomain.localhost || mysubsubdomain.mysubdomain.localhost
+					if secondDotIdx := strings.LastIndexByte(s, dotB); secondDotIdx > 0 {
+						//is mysubdomain.localhost ||  mysubsubdomain.mysubdomain.localhost
+						s = s[secondDotIdx+1:] // set to localhost || mysubdomain.localhost
+					}
+					// replace the s with the requestDomain before the domain's siffux
+					subdomainSuff := strings.LastIndexByte(requestDomain, dotB)
+					if subdomainSuff > len(s) { // if it is actual exists as subdomain suffix
+						requestDomain = strings.Replace(requestDomain, requestDomain[0:subdomainSuff], s, 1) // set to localhost.com || mysubdomain.localhost.com
+					}
+				}
+				// finally set the .localhost.com (for(1-level) || .mysubdomain.localhost.com (for 2-level subdomain allow)
+				cookie.SetDomain("." + requestDomain) // . to allow persistance
+			}
 
-			if portIdx := strings.IndexByte(requestDomain, ':'); portIdx > 0 {
-				requestDomain = requestDomain[0:portIdx]
-			}
-			// RFC2109, we allow level 1 subdomains, but no further
-			// if we have localhost.com , we want the localhost.com.
-			// so if we have something like: mysubdomain.localhost.com we want the localhost here
-			// if we have mysubsubdomain.mysubdomain.localhost.com we want the .mysubdomain.localhost.com here
-			// slow things here, especially the 'replace' but this is a good and understable( I hope) way to get the be able to set cookies from subdomains & domain with 1-level limit
-			if dotIdx := strings.LastIndexByte(requestDomain, dotB); dotIdx > 0 {
-				// is mysubdomain.localhost.com || mysubsubdomain.mysubdomain.localhost.com
-				s := requestDomain[0:dotIdx] // set mysubdomain.localhost || mysubsubdomain.mysubdomain.localhost
-				if secondDotIdx := strings.LastIndexByte(s, dotB); secondDotIdx > 0 {
-					//is mysubdomain.localhost ||  mysubsubdomain.mysubdomain.localhost
-					s = s[secondDotIdx+1:] // set to localhost || mysubdomain.localhost
-				}
-				// replace the s with the requestDomain before the domain's siffux
-				subdomainSuff := strings.LastIndexByte(requestDomain, dotB)
-				if subdomainSuff > len(s) { // if it is actual exists as subdomain suffix
-					requestDomain = strings.Replace(requestDomain, requestDomain[0:subdomainSuff], s, 1) // set to localhost.com || mysubdomain.localhost.com
-				}
-			}
-			cookie.SetDomain("." + requestDomain) // . to allow persistance
 		}
 		cookie.SetHTTPOnly(true)
 		cookie.SetExpire(m.config.Expires)