/// <summary>
/// Generates the authentication requests that can satisfy the requirements of some OpenID Identifier.
/// </summary>
/// <param name="userSuppliedIdentifier">
/// The Identifier supplied by the user. This may be a URL, an XRI or i-name.
/// </param>
/// <param name="realm">
/// The shorest URL that describes this relying party web site's address.
/// For example, if your login page is found at https://www.example.com/login.aspx,
/// your realm would typically be https://www.example.com/.
/// </param>
/// <returns>
/// An authentication request object that describes the HTTP response to
/// send to the user agent to initiate the authentication.
/// </returns>
/// <remarks>
/// <para>Any individual generated request can satisfy the authentication.
/// The generated requests are sorted in preferred order.
/// Each request is generated as it is enumerated to. Associations are created only as
/// <see cref="IAuthenticationRequest.RedirectingResponse"/> is called.</para>
/// <para>No exception is thrown if no OpenID endpoints were discovered.
/// An empty enumerable is returned instead.</para>
/// </remarks>
internal IEnumerable <IAuthenticationRequest> CreateRequests(Identifier userSuppliedIdentifier, Realm realm)
{
if (HttpContext.Current == null)
{
throw new InvalidOperationException(Strings.CurrentHttpContextRequired);
}
// Build the return_to URL
UriBuilder returnTo = new UriBuilder(Util.GetRequestUrlFromContext());
// Trim off any parameters with an "openid." prefix, and a few known others
// to avoid carrying state from a prior login attempt.
returnTo.Query = string.Empty;
NameValueCollection queryParams = Util.GetQueryFromContextNVC();
var returnToParams = new Dictionary <string, string>(queryParams.Count);
foreach (string key in queryParams)
{
if (!ShouldParameterBeStrippedFromReturnToUrl(key))
{
returnToParams.Add(key, queryParams[key]);
}
}
UriUtil.AppendQueryArgs(returnTo, returnToParams);
return(CreateRequests(userSuppliedIdentifier, realm, returnTo.Uri));
}
/// <summary>
/// Gets a URL that can be requested to send an indirect message.
/// </summary>
public static Uri ExtractUrl(this IResponse message)
{
DotNetOpenId.Response response = (DotNetOpenId.Response)message;
IEncodable encodable = response.EncodableMessage;
UriBuilder builder = new UriBuilder(encodable.RedirectUrl);
UriUtil.AppendQueryArgs(builder, encodable.EncodedFields);
return(builder.Uri);
}
public static Uri GetFullUrl(string url, IDictionary <string, string> args, bool useSsl)
{
Uri defaultUriBase = new Uri(useSsl ? "https://localhost/" : "http://localhost/");
Uri baseUri = UITestSupport.Host != null ? UITestSupport.Host.BaseUri : defaultUriBase;
UriBuilder builder = new UriBuilder(new Uri(baseUri, url));
UriUtil.AppendQueryArgs(builder, args);
return(builder.Uri);
}
public AuthenticationResponseTests()
{
UriBuilder builder = new UriBuilder(TestSupport.GetFullUrl(TestSupport.ConsumerPage));
// we add something pointless to the return_to, so some tests have something to remove.
UriUtil.AppendQueryArgs(builder, new Dictionary <string, string> {
{ returnToRemovableParameter, "b" }
});
returnTo = builder.Uri;
}
public void AppendQueryArgs()
{
UriBuilder uri = new UriBuilder("http://baseline.org/page");
var args = new Dictionary <string, string>();
args.Add("a", "b");
args.Add("c/d", "e/f");
UriUtil.AppendQueryArgs(uri, args);
Assert.AreEqual("http://baseline.org/page?a=b&c%2fd=e%2ff", uri.Uri.AbsoluteUri);
args.Clear();
args.Add("g", "h");
UriUtil.AppendQueryArgs(uri, args);
Assert.AreEqual("http://baseline.org/page?a=b&c%2fd=e%2ff&g=h", uri.Uri.AbsoluteUri);
}
public void AppendQueryArgsNullDictionary()
{
UriUtil.AppendQueryArgs(new UriBuilder(), null);
}
public void AppendQueryArgsNullUriBuilder()
{
UriUtil.AppendQueryArgs(null, new Dictionary <string, string>());
}