/// <summary>
/// Gets the URL of the RP icon for the OP to display.
/// </summary>
/// <param name="realm">The realm of the RP where the authentication request originated.</param>
/// <param name="hostFactories">The host factories.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>
/// A sequence of the RP's icons it has available for the Provider to display, in decreasing preferred order.
/// </returns>
/// <value>The icon URL.</value>
/// <remarks>
/// This property is automatically set for the OP with the result of RP discovery.
/// RPs should set this value by including an entry such as this in their XRDS document.
/// <example>
/// <Service xmlns="xri://$xrd*($v*2.0)">
/// <Type>http://specs.openid.net/extensions/ui/icon</Type>
/// <URI>http://consumer.example.com/images/image.jpg</URI>
/// </Service>
/// </example>
/// </remarks>
public static async Task<IEnumerable<Uri>> GetRelyingPartyIconUrlsAsync(Realm realm, IHostFactories hostFactories, CancellationToken cancellationToken) {
Requires.NotNull(realm, "realm");
Requires.NotNull(hostFactories, "hostFactories");
XrdsDocument xrds = await realm.DiscoverAsync(hostFactories, false, cancellationToken);
if (xrds == null) {
return Enumerable.Empty<Uri>();
} else {
return xrds.FindRelyingPartyIcons();
}
}
/// <summary>
/// Gets the URL of the RP icon for the OP to display.
/// </summary>
/// <param name="realm">The realm of the RP where the authentication request originated.</param>
/// <param name="hostFactories">The host factories.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>
/// A sequence of the RP's icons it has available for the Provider to display, in decreasing preferred order.
/// </returns>
/// <value>The icon URL.</value>
/// <remarks>
/// This property is automatically set for the OP with the result of RP discovery.
/// RPs should set this value by including an entry such as this in their XRDS document.
/// <example>
/// <Service xmlns="xri://$xrd*($v*2.0)">
/// <Type>http://specs.openid.net/extensions/ui/icon</Type>
/// <URI>http://consumer.example.com/images/image.jpg</URI>
/// </Service>
/// </example>
/// </remarks>
public static async Task <IEnumerable <Uri> > GetRelyingPartyIconUrlsAsync(Realm realm, IHostFactories hostFactories, CancellationToken cancellationToken)
{
Requires.NotNull(realm, "realm");
Requires.NotNull(hostFactories, "hostFactories");
XrdsDocument xrds = await realm.DiscoverAsync(hostFactories, false, cancellationToken);
if (xrds == null)
{
return(Enumerable.Empty <Uri>());
}
else
{
return(xrds.FindRelyingPartyIcons());
}
}
