/// <summary>
/// 在调用操作方法之前发生。
/// </summary>
/// <param name="actionContext">操作上下文。</param>
public override void OnActionExecuting(HttpActionContext actionContext)
{
// log the request message.
actionContext.BuildRequestLog();
var attr = actionContext.ActionDescriptor.GetCustomAttributes <AllowAnonymousAttribute>();
bool isAnonymous = attr.Any(a => a is AllowAnonymousAttribute);
if (isAnonymous)
{
base.OnActionExecuting(actionContext);
return;
}
var accessContext = new AccessContext(actionContext);
// 校验接口请求参数签名。
if (AccessSignEnaled)
{
VerifyAccessSign(accessContext);
}
// 校验接口访问权限。
if (AccessRightsEnabled)
{
VerifyAccessRights(accessContext);
}
// 判断接口访问频率是否超过配置值。
if (AccessFrequencyEnaled)
{
VerifyAccessFrequency(accessContext);
}
base.OnActionExecuting(actionContext);
}