session: adds CookieSameSite config to hooks.go#registerSession

config.go

@@ -15,13 +15,14 @@
 package beego
 
 import (
+	"crypto/tls"
 	"fmt"
+	"net/http"
 	"os"
 	"path/filepath"
 	"reflect"
 	"runtime"
 	"strings"
-	"crypto/tls"
 
 	"github.com/astaxie/beego/config"
 	"github.com/astaxie/beego/context"
@@ -108,6 +109,7 @@ type SessionConfig struct {
 	SessionEnableSidInHTTPHeader bool // enable store/get the sessionId into/from http headers
 	SessionNameInHTTPHeader      string
 	SessionEnableSidInURLQuery   bool // enable get the sessionId from Url Query params
+	SessionCookieSameSite        http.SameSite
 }
 
 // LogConfig holds Log related config
@@ -267,6 +269,7 @@ func newBConfig() *Config {
 				SessionEnableSidInHTTPHeader: false, // enable store/get the sessionId into/from http headers
 				SessionNameInHTTPHeader:      "Beegosessionid",
 				SessionEnableSidInURLQuery:   false, // enable get the sessionId from Url Query params
+				SessionCookieSameSite:        http.SameSiteDefaultMode,
 			},
 		},
 		Log: LogConfig{

hooks.go

@@ -61,6 +61,7 @@ func registerSession() error {
 			conf.EnableSidInHTTPHeader = BConfig.WebConfig.Session.SessionEnableSidInHTTPHeader
 			conf.SessionNameInHTTPHeader = BConfig.WebConfig.Session.SessionNameInHTTPHeader
 			conf.EnableSidInURLQuery = BConfig.WebConfig.Session.SessionEnableSidInURLQuery
+			conf.CookieSameSite = BConfig.WebConfig.Session.SessionCookieSameSite
 		} else {
 			if err = json.Unmarshal([]byte(sessionConfig), conf); err != nil {
 				return err