protected virtual void UpdateWebRequest(SharePointConnection connection, WebRequest request)
{
if (connection.RequestTimeout != null)
{
request.Timeout = connection.RequestTimeout.Value;
}
var httpRequest = request as HttpWebRequest;
if (httpRequest == null)
{
return;
}
if (IsOnline(connection))
{
UpdateHttpWebRequestForOnline(connection, httpRequest);
}
else
{
httpRequest.Credentials = connection.Credentials;
// if this context is using default Windows authentication add a WebRequest Header to stop forms auth from potentially interfering.
if (connection.AuthenticationMode.GetValueOrDefault() == ClientAuthenticationMode.Default)
{
httpRequest.Headers.Add("X-FORMS_BASED_AUTH_ACCEPTED", "f");
}
}
}
protected virtual void UpdateClientContextForOnline(SharePointConnection connection, ClientContext context)
{
context.ExecutingWebRequest += (sender, args) =>
{
args.WebRequestExecutor.WebRequest.CookieContainer = CreateCookies(connection);
};
}
/// <summary>
/// Creates a web request based on connection settings.
/// </summary>
public virtual WebRequest CreateHttpWebRequest(SharePointConnection connection, Uri uri)
{
if (connection == null)
{
throw new ArgumentNullException("connection");
}
var request = WebRequest.Create(uri);
UpdateWebRequest(connection, request);
return(request);
}
/// <summary>
/// Creates a web client based on connection settings.
/// </summary>
public virtual WebClient CreateWebClient(SharePointConnection connection)
{
if (connection == null)
{
throw new ArgumentNullException("connection");
}
var client = new SharePointWebClient(request => UpdateWebRequest(connection, request))
{
BaseAddress = connection.Url.OriginalString + (!connection.Url.OriginalString.EndsWith("/") ? "/" : string.Empty)
};
return(client);
}
private static CookieContainer CreateCookieContainer(SharePointConnection connection)
{
if (connection.Credentials == null)
{
throw new NullReferenceException("The Credentials property of the connection is required.");
}
var authType = connection.AuthenticationMode != null ? connection.AuthenticationMode.Value : ClientAuthenticationMode.Default;
var credentials = connection.Credentials.GetCredential(connection.Url, authType.ToString());
var container = CreateCookieContainer(connection.Url, credentials.UserName, credentials.Password, connection.RequestTimeout);
return(container);
}
/// <summary>
/// Creates a context based on connection settings.
/// </summary>
public virtual ClientContext CreateClientContext(SharePointConnection connection)
{
if (connection == null)
{
throw new ArgumentNullException("connection");
}
var context = connection.CreateClientContext();
if (IsOnline(connection))
{
UpdateClientContextForOnline(connection, context);
}
return(context);
}
protected virtual CookieContainer CreateCookies(SharePointConnection connection)
{
var expiryWindow = connection.CookieExpiryWindow;
if (expiryWindow != TimeSpan.Zero)
{
CookieContainer container;
var key = connection.GetConnectionId();
if (!_cookiesLookup.TryGetValue(key, out container) || CheckIfAnyCookieIsExpired(container, connection.Url, expiryWindow))
{
container = CreateCookieContainer(connection);
_cookiesLookup[key] = container;
}
return(container);
}
var cookies = CreateCookieContainer(connection);
return(cookies);
}
protected virtual void UpdateHttpWebRequestForOnline(SharePointConnection connection, HttpWebRequest request)
{
request.CookieContainer = CreateCookies(connection);
}
protected virtual bool IsOnline(SharePointConnection connection)
{
return(GetOnlineDomainsSetting().Any(domain => connection.Url.Host.EndsWith(domain, StringComparison.OrdinalIgnoreCase)));
}
