public void Add(ServiceRequest request, ServiceIdentity identity)
{
string key = GetKeyString(request);
identity.Key = key;
//插入到全局缓存
ResetIdentityKeyList();
IdentityKeyList.Add(key);
Cache.Insert <List <string> >(KeyListFlag, IdentityKeyList);
Cache.Insert <ServiceIdentity>(key, identity,
new System.Runtime.Caching.CacheItemPolicy()
{
SlidingExpiration = identity.Expire
});
}
/// <summary>
/// 移除指定的标识
/// </summary>
/// <param name="identity"></param>
/// <returns></returns>
public bool Remove(ServiceIdentity identity)
{
ServiceIdentity item = this.Cache.Get <ServiceIdentity>(identity.Key);
if (item != null && item.Key == identity.Key)
{
this.Cache.Remove(identity.Key);
ResetIdentityKeyList();
IdentityKeyList.Remove(identity.Key);//从全局缓存移除
Cache.Insert <List <string> >(KeyListFlag, IdentityKeyList);
return(true);
}
return(false);
}
/// <summary>
/// 获取系统中的所有服务凭据
/// </summary>
/// <returns></returns>
public List <ServiceIdentity> GetAllIdentitys()
{
List <ServiceIdentity> list = new List <ServiceIdentity>();
List <string> keyList = this.IdentityKeyList;
foreach (string key in keyList.ToArray())
{
ServiceIdentity item = this.Cache.Get <ServiceIdentity>(key);
if (item != null)
{
list.Add(item);
}
}
return(list);
}
/// <summary>
/// 根据已有的标识，寻找容器中对应的标识对象
/// </summary>
/// <param name="identity"></param>
/// <returns></returns>
public ServiceIdentity Find(ServiceIdentity identity)
{
List <string> keyList = this.IdentityKeyList;
foreach (string key in keyList.ToArray())
{
ServiceIdentity item = this.Cache.Get <ServiceIdentity>(key);
if (item != null)
{
if (item.Id == identity.Id && item.Name == identity.Name)
{
return(item);
}
}
else
{
//从全局缓存移除
ResetIdentityKeyList();
IdentityKeyList.Remove(key);
Cache.Insert <List <string> >(KeyListFlag, IdentityKeyList);
}
}
return(null);
}
/// <summary>
/// 取消指定的凭据
/// </summary>
/// <param name="identity"></param>
/// <returns></returns>
public bool SignOut(ServiceIdentity identity)
{
return(ServiceIdentityContainer.Instance.Remove(identity));
}
/// <summary>
/// 根据指定的标识，查找服务标识容器是否存在对应的标识对象，如果存在，则返回容器中的标识对象
/// </summary>
/// <param name="identity"></param>
/// <returns>如果未找到，返回空</returns>
public ServiceIdentity FindIdentity(ServiceIdentity identity)
{
identity.Key = ServiceIdentityContainer.Instance.GetKeyString(this.currentContext.Request);
return(ServiceIdentityContainer.Instance.Find(identity));
}
/// <summary>
/// （在当前会后中）设置用户凭据。（凭据保存到系统缓存中，供相同的客户机各个连接使用）
/// </summary>
/// <param name="user"></param>
public void Authenticate(ServiceIdentity user)
{
ServiceIdentityContainer.Instance.Add(this.currentContext.Request, user);
}
