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Recently I am developing a webservice which is used to upload document to a SharePoint doc library. I have deploy it to the _vti_bin directory and now I can successfully call it to upload a document. However, no matter what I use as username and password, the owner of upload document is still System Account. It shows in the site as modified by System Account. I refer to "Walkthrough: Creating a Custom ASP.NET Web Service (Eng version)" to develop and deploy webservice. The code for calling the webservice is the following:

string FileUrl = "d:/bbb.txt";
sharepoint_0907.Service ss = new sharepoint_0907.Service();
ss.Credentials = new NetworkCredential(username, password, domain);
byte[] fileContents = System.IO.File.ReadAllBytes(@FileUrl);
int s = ss.UploadFile("http://sharepoint01/Shared Documents/", 
                       fileContents, "http://sharepoint01", "123.txt");
string ddd = ss.HelloWorld();

So I can successfully upload a document with view user who has not have authority to upload a document. And this is not what I want. Can anyone help me with this?

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2 Answers 2

If you have elevated code you get System Account as modifier of the documents. Also if you have Claims based authentication it makes things more complicated.

I was struggling with similar issues to get correct authentication in web-service calls. The msdn article you are using is not too easy to follow - I was using this blog post by Arjun Chakraborty, except the part where you push web.config with deploy to the hive and overwrite the existing ISAPI web.config - just edit the web.config manually. Also I used a binding TextStreamBindingNoSecurity that SharePoint built-in web-services uses. This also works for https using TextStreamBindingHttpsNoSecurity binding.

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Would using the OOB Copy Web Service help you get rid of custom Web Service and also fix this issue? Example

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