feat: 准备 Admin 线上 HTTPS 部署 (#81)

admin/handler/web/auth.go

@@ -202,7 +202,7 @@ func safeNext(raw string) string {
 func setAuthCookie(c *gin.Context, token string, expiresAt time.Time) {
 	http.SetCookie(c.Writer, &http.Cookie{
 		Name: authCookieName, Value: token, Path: "/", HttpOnly: true,
-		Secure: c.Request.TLS != nil, SameSite: http.SameSiteLaxMode,
+		Secure: requestIsHTTPS(c.Request), SameSite: http.SameSiteLaxMode,
 		Expires: expiresAt, MaxAge: int(service.WebSessionDuration.Seconds()),
 	})
 }
@@ -210,7 +210,7 @@ func setAuthCookie(c *gin.Context, token string, expiresAt time.Time) {
 func clearAuthCookie(c *gin.Context) {
 	http.SetCookie(c.Writer, &http.Cookie{
 		Name: authCookieName, Value: "", Path: "/", HttpOnly: true,
-		Secure: c.Request.TLS != nil, SameSite: http.SameSiteLaxMode,
+		Secure: requestIsHTTPS(c.Request), SameSite: http.SameSiteLaxMode,
 		Expires: time.Unix(1, 0), MaxAge: -1,
 	})
 }