/// <summary>
/// Attempts to create a WS-Federation message from the specified URI. The parameters are assumed to be specified as a query string.
/// </summary>
///
/// <returns>
/// true if a message was successfully created; otherwise, false.
/// </returns>
/// <param name="requestUri">The URI from which to create the message. Message parameters are specified in the query string. The wa parameter must be present.</param><param name="fedMsg">When this method returns, contains the message that was created or null if a message could not be created. This parameter is treated as uninitialized.</param><exception cref="T:System.ArgumentNullException"><paramref name="requestUri"/> is null.</exception>
public static bool TryCreateFromUri(Uri requestUri, out WSFederationMessage fedMsg)
{
if (requestUri == null)
{
throw new ArgumentNullException(nameof(requestUri));
}
var baseUrl = GetBaseUrl(requestUri);
fedMsg = CreateFromNameValueCollection(baseUrl, ParseQueryString(requestUri));
return(fedMsg != null);
}
/// <summary>
/// Creates a WS-Federation message from the form post received in the specified request.
/// </summary>
///
/// <returns>
/// The message that was created or null if a message cannot be created.
/// </returns>
/// <param name="request">The request that contains the form post.</param><exception cref="T:System.ArgumentNullException"><paramref name="request"/> is null.</exception>
/*
* public static WSFederationMessage CreateFromFormPost(HttpRequestBase request)
* {
* if (request == null)
* {
* throw new ArgumentNullException(nameof(request));
* }
*
* return WSFederationMessage.CreateFromNameValueCollection(FederationMessage.GetBaseUrl(request.Url), request.Unvalidated.Form);
* }
*/
private static void PopulateMessage(WSFederationMessage message, Dictionary <string, StringValues> collection)
{
foreach (string parameter in collection.Keys)
{
if (string.IsNullOrEmpty(collection[parameter]))
{
if (parameter == "wtrealm" || parameter == "wresult")
{
throw new InvalidOperationException(string.Format("ID3261: The WS-Federation parameter '{0}' is null or empty.", parameter));
}
}
else
{
message.SetParameter(parameter, collection[parameter]);
}
}
}
/// <summary>
/// Creates a WS-Federation message from a <see cref="T:System.Collections.Specialized.NameValueCollection"/> of parameters.
/// </summary>
///
/// <returns>
/// The message that was created or null if a message cannot be created.
/// </returns>
/// <param name="baseUrl">The base URL to which the message is intended.</param><param name="collection">The <see cref="T:System.Collections.Specialized.NameValueCollection"/> that contains the parameters for the message.</param><exception cref="T:System.ArgumentNullException"><paramref name="baseUrl"/> is null. -or-<paramref name="collection"/> is null.</exception><exception cref="T:System.IdentityModel.Services.WSFederationMessageException">The wa parameter in the parameter collection is not recognized.</exception><exception cref="T:System.ArgumentException">A sign-in response message has both the wresult and wresultptr parameter in the parameter collection. (A valid sign-in response message has the wa parameter equal to “wsignin1.0” and either the wresult or the wresultptr parameter, but not both.)</exception>
public static WSFederationMessage CreateFromNameValueCollection(Uri baseUrl, Dictionary <string, StringValues> collection)
{
if (baseUrl == null)
{
throw new ArgumentNullException(nameof(baseUrl));
}
if (collection == null)
{
throw new ArgumentNullException(nameof(collection));
}
WSFederationMessage message = null;
var str = collection.Get("wa");
if (!string.IsNullOrEmpty(str))
{
if (!(str == "wattr1.0"))
{
if (!(str == "wpseudo1.0"))
{
if (!(str == "wsignin1.0"))
{
if (!(str == "wsignout1.0"))
{
if (str == "wsignoutcleanup1.0")
{
message = new SignOutCleanupRequestMessage(baseUrl);
}
else
{
throw new InvalidOperationException(string.Format("ID3014: Unrecognized Action name: '{0}'", str));
}
}
else
{
message = new SignOutRequestMessage(baseUrl);
}
}
else
{
string result = collection.Get("wresult");
string uriString = collection.Get("wresultptr");
int num = !string.IsNullOrEmpty(result) ? 1 : 0;
bool flag = !string.IsNullOrEmpty(uriString);
if (num != 0)
{
message = new SignInResponseMessage(baseUrl, result);
}
else if (flag)
{
message = new SignInResponseMessage(baseUrl, new Uri(uriString));
}
else
{
string realm = collection.Get("wtrealm");
string reply = collection.Get("wreply");
message = new SignInRequestMessage(baseUrl, realm, reply);
}
}
}
else
{
message = new PseudonymRequestMessage(baseUrl);
}
}
else
{
message = new AttributeRequestMessage(baseUrl);
}
}
if (message != null)
{
WSFederationMessage.PopulateMessage(message, collection);
message.Validate();
}
return(message);
}
