/// <summary>
/// 异常处理
/// </summary>
/// <param name="actionContext">当前异常</param>
public override void OnActionExecuting(HttpActionContext actionContext)
{
base.OnActionExecuting(actionContext);
var returnType = "application/json";
var fileType = "multipart/form-data";
HttpRequestMessage request = actionContext.Request;
request.Headers.Accept.Clear();
request.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue(returnType));
request.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue(fileType));
request.Headers.AcceptCharset.Add(new StringWithQualityHeaderValue("zh-cn", 0.5));
request.Headers.AcceptCharset.Add(new StringWithQualityHeaderValue("en-us", 0.5));
request.Headers.AcceptEncoding.Add(new StringWithQualityHeaderValue("gzip"));
request.Headers.AcceptEncoding.Add(new StringWithQualityHeaderValue("deflate"));
System.Collections.ObjectModel.Collection <CookieHeaderValue> cookies = actionContext.Request.Headers.GetCookies("SessionID");
ApiBaseController bc = (ApiBaseController)actionContext.ControllerContext.Controller;
//初始化Cookie和Session以及当前登录用户
InitiSession(cookies, actionContext, bc);
//检查当前Action是否需要身份验证和授权才能执行
CheckLoginAndOperation(actionContext, bc);
}
/// <summary>
/// 拼装异常信息与环境信息
/// </summary>
/// <param name="context">当前上下文</param>
/// <param name="ex">异常</param>
/// <returns>异常信息与环境信息文本</returns>
private static string GetExceptionMessage(HttpActionExecutedContext context, Exception ex)
{
string paramData = Evt.Framework.Common.JsonUtil.Serialize(context.ActionContext.ActionArguments);
ApiBaseController bc = (ApiBaseController)context.ActionContext.ControllerContext.Controller;
string sessionID = bc.Session.SessionID;
return(ex.ToString() + "\r\n ParamData:" + paramData + " SessionID:" + sessionID + "\r\n URL:" + context.Request.RequestUri + "\r\n\r\n");
}
/// <summary>
/// 检查当前Action是否需要身份验证和授权才能执行
/// </summary>
/// <param name="actionContext">HttpActionContext</param>
/// <param name="bc">BaseController</param>
private void CheckLoginAndOperation(HttpActionContext actionContext, ApiBaseController bc)
{
var attributes = actionContext.ActionDescriptor.GetCustomAttributes <NonAuthorizeAttribute>();
//验证是否需要登录
if (attributes != null && attributes.Count > 0)
{
return;
}
//验证是否已经登录
bool isLogin = true;
if (bc.Session.ContainsKey(ConfigUtil.SystemUserSessionKey))
{
var currUser = bc.Session[ConfigUtil.SystemUserSessionKey] as LoginInfo;
isLogin = currUser != null;
}
else
{
isLogin = false;
}
if (!isLogin && !actionContext.Request.RequestUri.LocalPath.ToLower().Equals("/shop/dologout"))
{
var noSessionMsg = "会话超时，请重新登录！";
var current = ServiceContext.Current;
if (current != null && current.RequestTerminal != null && !string.IsNullOrWhiteSpace(current.RequestTerminal.ClientToken) && current.RequestTerminal.ClientToken != "null")
{
bc.SingleLoginOn(current.RequestTerminal.ClientToken);
var currUser = SingleInstance <ShopBLL> .Instance.DoLogin(null, current.RequestTerminal.ClientToken);
if (currUser != null)
{
var loginInfo = new LoginInfo()
{
UserId = currUser.ShopId, Mobile = currUser.ShopAccount, AccessToken = currUser.AccessToken
};
bc.Session[ConfigUtil.SystemUserSessionKey] = loginInfo;
}
else
{
throw new Evt.Framework.Common.AuthenticationException(noSessionMsg);
}
}
else
{
throw new Evt.Framework.Common.AuthenticationException(noSessionMsg);
}
}
}
/// <summary>
/// 异常处理
/// </summary>
/// <param name="actionExecutedContext">异常类型</param>
public override void OnActionExecuted(HttpActionExecutedContext actionExecutedContext)
{
ApiBaseController bc = (ApiBaseController)actionExecutedContext.ActionContext.ControllerContext.Controller;
string actionName = actionExecutedContext.ActionContext.ActionDescriptor.ActionName ?? string.Empty;
if (actionExecutedContext.Response != null)
{
actionExecutedContext.Response.Headers.AddCookies(new CookieHeaderValue[] { new CookieHeaderValue("SessionID", bc.Session.SessionID)
{
Path = "/"
} });
//如果请求不带版本号，则添加响应头以指示浏览器不缓存当前请求结果
if (actionExecutedContext.ActionContext.Request.Properties.ContainsKey("v"))
{
actionExecutedContext.ActionContext.Response.Headers.Add("Pragma", "no-cache");
actionExecutedContext.ActionContext.Response.Headers.Add("Expires", "0");
}
}
base.OnActionExecuted(actionExecutedContext);
}
/// <summary>
/// 初始化Session和当前用户
/// </summary>
/// <param name="cookies">Collection</param>
/// <param name="bc">BaseController</param>
private void InitiSession(Collection <CookieHeaderValue> cookies, HttpActionContext actionContext, ApiBaseController bc)
{
if (cookies == null || cookies.Count == 0)
{
bc.Session = SessionManager.CreateSession();
}
else
{
string sessionID = string.Empty;
foreach (CookieState cookieState in cookies[0].Cookies)
{
if (cookieState.Name == "SessionID")
{
sessionID = cookieState.Value;
break;
}
}
Session session = SessionManager.GetSession(sessionID);
if (session == null)
{
bc.Session = SessionManager.CreateSession();
}
else
{
bc.Session = session;
}
}
//获取客户端信息
var clientModel = new RequestClientInfoModel();
if (bc.Session.ContainsKey(ConfigUtil.SystemTerminalSessionKey))
{
var clientSeesion = bc.Session[ConfigUtil.SystemTerminalSessionKey];
if (clientSeesion != null)
{
clientModel = bc.Session[ConfigUtil.SystemTerminalSessionKey] as RequestClientInfoModel;
}
}
else
{
clientModel = GetClientInfo(actionContext.Request);
clientModel.ClientIP = NetUtil.Ip;
bc.Session[ConfigUtil.SystemTerminalSessionKey] = clientModel;
}
//设置Service中的ContextUser
ServiceContext.Current.ContextUser = new SysServericeContext(bc.Session.SessionID);
//设置Service中的RequestTerminal
ServiceContext.Current.RequestTerminal = new PrdRequestTerminal(bc.Session.SessionID);
}
