Call A WCF Service Outside Of The Impersonation Context?
Jul 30, 2010
I'm having problems with impersonation in WCF. Namely, I'm calling a named pipe service from within ASP.NET with impersonation turned on. This fails (due to permissions on the pipe blocking anyone from the network). So, is there any way I can make the call outside of the impersonation context? I don't need to be impersonating to make this call, but can't see any way of doing this.
PS. I need to do this declaratively, through config...
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Nov 3, 2010
I have a web page that calls a WCF service that makes a sql database call using Integrated Security. I get an error saying, "Login failed for user 'CorpDomainServerName01$'". I want it so that it all layers will execute under the user's AD credetials (working in an intranet), ie: "CorpDomainAlbert". On the server (Win 2008/IIS 7), I have Windows Authentication turned on and everything else off (including Anonymous) under Authentication for both the web client and the WCF service. Here's my client web.config:
<configuration>
<system.web>
<compilation debug="true" targetFramework="4.0"/>
<authentication mode="Windows"/>
<identity impersonate="true"/>
<customErrors mode="Off"/>
</system.web>
<system.serviceModel>
<bindings>
<netTcpBinding>
<binding name="NetTcpBinding_IMyService" closeTimeout="00:01:00" openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00" transactionFlow="false" transferMode="Buffered" transactionProtocol="OleTransactions" hostNameComparisonMode="StrongWildcard" listenBacklog="10" maxBufferPoolSize="524288" maxBufferSize="65536" maxConnections="10" maxReceivedMessageSize="65536">
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<reliableSession ordered="true" inactivityTimeout="00:10:00" enabled="false" />
<!--<security mode="Transport">
<transport clientCredentialType="Windows" protectionLevel="EncryptAndSign" />
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Feb 10, 2011
I'm currently trying to work out the best way to build this web application, which will then be intergrated on other systems, such as WinForms, Intranets etc.
We hope to include the usual layers i.e. DAL, BLL, BOL and UI but I have been experimenting with Entity Framework 4 and WCF Data Services and managed to get something in place where I was using WCF as a gateway to EF4.
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e.g.[Code]....
Now with the current setup I would still need to write a DAL Class Library, that interacts with the Data Service, because as I said WCF Data Services only seems to be a gateway, I can't see where to put the code (above) in the Data Service and then how I could these methods.
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4. Would it be possible / logical to also include the Business Logic Layer into the web service?
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Apr 9, 2010
I have a service account SvcAcc to manage contacts (add/update/delete contacts) for all the exchange users. I Impersonate using the below cmdlet to manage contacts but it also allows SvcAcc to perform other functions (such as send email etc) on behalf of the user.
cmdlet
New-ManagementRoleAssignment -Name:impersonationAssignmentName -Role:ApplicationImpersonation -User:serviceAccount
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May 18, 2010
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Aug 4, 2010
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[Code]....
[Code]....
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Sep 3, 2010
I have an ASP.NET 2.0 web app which calls a one way web method on a web service. This web method contacts remote servers and pulls back config information to confirm the state of new server builds (settings etc) and inserts the collected data into a SQL database. The web app is supposed to pass through the callers kerberos ticket to the web service and then again to the newly built server which is being checked, all via impersonation and delegation using the calling users administrator privileges.
The trouble is, I just can't get the web service to run under the callers context. I have the SPN's set up, delegation turned on in the active directory objects for the computer running the web app and service and the worker process domain user service account. I have windows authentication on and impersonation set to true in both the web app and service's web.config, integrated authentication in IIS, and IE settings are all ok. All has been checked out and passes the tests in DelegConfig, but it still won't work.
It appears that any data that's is written to the database is written under the context of the web pool service account, and not the calling users, plus along with the fact that I get access denied messages when trying to collect data from the server says impersonation isn't working. Also, is it possible to run the checks under the calling users context, but write to the database with the web pool identity service account without specifying the user details in the web config?? I am working in a secure environment and we must user windows based accounts only, no SQL accounts.
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Feb 8, 2010
I need to call a Rest service but would like to do so without having to redirect. Here is my dilemma. The Rest service we are trying to integrate offers the option to sign up for a subscription but does not allow us to upgrade an existing subscription. So if a user wants to upgrade an existing subscription we have to first cancel and then have the user sign up for a brand new subscription. I don't know how I can make this so it flows nicely in my code. I ideally I would like to do something like this
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&SignatureMethod=HmacSHA256
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&Signature=1uFUSSFvau1zadnSzKRS5ZchuLMn9p5M3ifaHGHie7M%3D
&SubscriptionId=17d62772-c53e-4bdb-9667-65d7b7841cfc
&Timestamp=2009-10-06T08%3A05%3A13.296Z
&Version=2008-09-
Could anybody give me some ideas how to make this work in an elegant manner. We thought we could keep the old subscription and then just sign the user up for a new subscription for the difference of the money. For example the first subscription would be 2.95 and the second one would be 2.00 which would amount to a subscription of 4.95. I think it is not elegant and the user would see 2 charges on the credit card, weird, I think. Since I don't know much about Rest maybe there is a way that this can be solved.
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Feb 11, 2010
What does the using statement do? Is it actually needed?
using (MyWebservice x = new MyWebservice())
{
//random code
}
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Aug 27, 2010
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ws.HelloWorldAsync();
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Oct 18, 2010
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xml :
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<xs:annotation>
<xs:documentation>Request to fetch customers' membership information.</xs:documentation>
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<xs:sequence>
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Jun 17, 2010
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Oct 4, 2010
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When I disabled the web-service call in Page_Load, the web-service call after the button click worked well, and if I switched between them (disabled the call in button click and enabled the call in Page_Load) the enabled one worked OK.
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Jan 6, 2010
How to Call A ASPNET web Service from javascript?
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Apr 3, 2010
I have a C# library. From within it, I want to call a static method that exists within the same library but through Javascript. Can I use WebResource to call a C# method?
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Nov 5, 2010
As the title states, I'm trying to call a web service written in ASP.Net (Same solution, but different project in visual studio) from javascript. Since I added the web reference for the service prior to this for calling it in VB.Net, I tried to use this reference by directly calling it.In the body of the Default.aspx page, I have this code:
<asp:ScriptManager id="ScriptManager1" runat="server">
<Services>
<asp:ServiceReference Path="~/App_WebReferences/localhost/ServiceName.discomap" InlineScript="true" />
</Services>
</asp:ScriptManager>
but in javascript, I can't call my service at all. Could anyone explain me how? I'd want to do something like this:
<script type="text/javascript">
alert(ServiceName.HelloWorld())
</script>
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Apr 26, 2010
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Configuration;
using System.Web;
using System.Web.Services;
using System.Data;
using System.Data.SqlClient;
using System.Data.Common;
using AjaxControlToolkit;
using System.Text;
using System.Xml;
using System.Xml.XPath;
using System.IO;
using System.Collections.Specialized;
using System.Web.Services.Protocols;
[WebService(Namespace = [URL])]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[System.ComponentModel.ToolboxItem(false)]
// To allow this Web Service to be called from script, using ASP.NET AJAX, uncomment the following line.
[System.Web.Script.Services.ScriptService]
public class Service : System.Web.Services.WebService
{
public Service()
{
}
[System.Web.Services.WebMethod]
[System.Web.Script.Services.ScriptMethod]
public string[] AutoCompleteNames(string prefixText, int count)
{
System.Data.SqlClient.SqlConnection cxn = new System.Data.SqlClient.SqlConnection(ConfigurationManager.ConnectionStrings["HumanResourcesConnectionString"].ConnectionString);
cxn.Open();.....................
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Apr 8, 2010
I have a web page (.aspx) that calls a third party web service to get some data. It usually takes couple of seconds to get the response back, and then the rest of the page will load. Occasionally the call gets stuck either due to the web service is down, or internet connection, etc., the page just hang there and will not load.
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2) Is it even possible to verify the status of the web service before calling it?
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I have created an WCF data service in a new asp.net web application and i want to call this web service from another web application using jquery, but it always returns null.
My jquery call looks like this:
[code]....
Note that [URL] works in the browser but since the jquery call is from localhost:3410 i assume its a problem with cross domain.
I have been reading that i should use jsonp for this, but i have a hard time figuring it out.
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Mar 10, 2011
I am trying to call WCF 4 Http Web Services which are hosted within an ASP.NET application. The Service is protected behind SiteMinder.
I was wondering how I could programmatically call the web service, and more specifically what information will I need to pass to be authorized within SiteMinder to access my resources.
I am making the request from the ASP.NET application running on the same server, so I have access to the authentication cookie.
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Feb 28, 2011
n my A.aspx, I will call web method GetName in B.asmx
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Is custom HttpModule able to handle this scenario? If yes, how? Which HttpModule's event that occurred before the page actually called the web service?
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