... , IPrincipal , - , . , api, , Sql Server Entity Framework.
api:
proxyRequestResultDetails = ProxyApiWrapper.GetProxies(
adUserInfo.AssociateId,
context.User);
.
public void OnAuthorization(AuthorizationContext filterContext)
GetProxies :
public static StreamReader GetWebRequestStream(
string url,
string contentType,
bool useDefaultCredentials,
IPrincipal user)
{
var impersonationContext = ((WindowsIdentity)user.Identity).Impersonate();
var request = WebRequest.Create(url);
try
{
request.ContentType = contentType;
request.AuthenticationLevel = System.Net.Security.AuthenticationLevel.MutualAuthRequested;
request.Credentials = System.Net.CredentialCache.DefaultNetworkCredentials;
var response = (HttpWebResponse)request.GetResponse();
return new StreamReader(response.GetResponseStream());
}
catch (Exception e)
{
impersonationContext.Undo();
throw e;
}
finally
{
impersonationContext.Undo();
}
}
,
. :
//Track current identity before proxy call
IPrincipal user = context.User;
proxyRequestResultDetails = ProxyApiWrapper.GetProxies(
adUserInfo.AssociateId,
context.User);
//Undo any impersonating done in the GetProxies call
context.User = user;
2 12 . . . .
, .