diff options
Diffstat (limited to 'src/DotNetOpenAuth.OpenId/OpenId/Extensions/UI/UIRequest.cs')
-rw-r--r-- | src/DotNetOpenAuth.OpenId/OpenId/Extensions/UI/UIRequest.cs | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/src/DotNetOpenAuth.OpenId/OpenId/Extensions/UI/UIRequest.cs b/src/DotNetOpenAuth.OpenId/OpenId/Extensions/UI/UIRequest.cs new file mode 100644 index 0000000..9d506ca --- /dev/null +++ b/src/DotNetOpenAuth.OpenId/OpenId/Extensions/UI/UIRequest.cs @@ -0,0 +1,197 @@ +//----------------------------------------------------------------------- +// <copyright file="UIRequest.cs" company="Andrew Arnott"> +// Copyright (c) Andrew Arnott. All rights reserved. +// </copyright> +//----------------------------------------------------------------------- + +namespace DotNetOpenAuth.OpenId.Extensions.UI { + using System; + using System.Collections.Generic; + using System.Diagnostics.CodeAnalysis; + using System.Diagnostics.Contracts; + using System.Globalization; + using System.Linq; + using DotNetOpenAuth.Messaging; + using DotNetOpenAuth.OpenId.Messages; + using DotNetOpenAuth.Xrds; + + /// <summary> + /// OpenID User Interface extension 1.0 request message. + /// </summary> + /// <remarks> + /// <para>Implements the extension described by: http://wiki.openid.net/f/openid_ui_extension_draft01.html </para> + /// <para>This extension only applies to checkid_setup requests, since checkid_immediate requests display + /// no UI to the user. </para> + /// <para>For rules about how the popup window should be displayed, please see the documentation of + /// <see cref="UIModes.Popup"/>. </para> + /// <para>An RP may determine whether an arbitrary OP supports this extension (and thereby determine + /// whether to use a standard full window redirect or a popup) via the + /// <see cref="IdentifierDiscoveryResult.IsExtensionSupported<T>()"/> method.</para> + /// </remarks> + [Serializable] + public class UIRequest : IOpenIdMessageExtension, IMessageWithEvents { + /// <summary> + /// The factory method that may be used in deserialization of this message. + /// </summary> + internal static readonly StandardOpenIdExtensionFactory.CreateDelegate Factory = (typeUri, data, baseMessage, isProviderRole) => { + if (typeUri == UIConstants.UITypeUri && isProviderRole) { + return new UIRequest(); + } + + return null; + }; + + /// <summary> + /// Additional type URIs that this extension is sometimes known by remote parties. + /// </summary> + private static readonly string[] additionalTypeUris = new string[] { + UIConstants.LangPrefSupported, + UIConstants.PopupSupported, + UIConstants.IconSupported, + }; + + /// <summary> + /// Backing store for <see cref="ExtraData"/>. + /// </summary> + private Dictionary<string, string> extraData = new Dictionary<string, string>(); + + /// <summary> + /// Initializes a new instance of the <see cref="UIRequest"/> class. + /// </summary> + public UIRequest() { + this.LanguagePreference = new[] { CultureInfo.CurrentUICulture }; + this.Mode = UIModes.Popup; + } + + /// <summary> + /// Gets or sets the list of user's preferred languages, sorted in decreasing preferred order. + /// </summary> + /// <value>The default is the <see cref="CultureInfo.CurrentUICulture"/> of the thread that created this instance.</value> + /// <remarks> + /// The user's preferred languages as a [BCP 47] language priority list, represented as a comma-separated list of BCP 47 basic language ranges in descending priority order. For instance, the value "fr-CA,fr-FR,en-CA" represents the preference for French spoken in Canada, French spoken in France, followed by English spoken in Canada. + /// </remarks> + [SuppressMessage("Microsoft.Performance", "CA1819:PropertiesShouldNotReturnArrays", Justification = "By design.")] + [MessagePart("lang", AllowEmpty = false)] + public CultureInfo[] LanguagePreference { get; set; } + + /// <summary> + /// Gets or sets the style of UI that the RP is hosting the OP's authentication page in. + /// </summary> + /// <value>Some value from the <see cref="UIModes"/> class. Defaults to <see cref="UIModes.Popup"/>.</value> + [MessagePart("mode", AllowEmpty = false, IsRequired = true)] + public string Mode { get; set; } + + /// <summary> + /// Gets or sets a value indicating whether the Relying Party has an icon + /// it would like the Provider to display to the user while asking them + /// whether they would like to log in. + /// </summary> + /// <value><c>true</c> if the Provider should display an icon; otherwise, <c>false</c>.</value> + /// <remarks> + /// By default, the Provider displays the relying party's favicon.ico. + /// </remarks> + [MessagePart("icon", AllowEmpty = false, IsRequired = false)] + public bool? Icon { get; set; } + + #region IOpenIdMessageExtension Members + + /// <summary> + /// Gets the TypeURI the extension uses in the OpenID protocol and in XRDS advertisements. + /// </summary> + /// <value></value> + public string TypeUri { get { return UIConstants.UITypeUri; } } + + /// <summary> + /// Gets the additional TypeURIs that are supported by this extension, in preferred order. + /// May be empty if none other than <see cref="TypeUri"/> is supported, but + /// should not be null. + /// </summary> + /// <remarks> + /// Useful for reading in messages with an older version of an extension. + /// The value in the <see cref="TypeUri"/> property is always checked before + /// trying this list. + /// If you do support multiple versions of an extension using this method, + /// consider adding a CreateResponse method to your request extension class + /// so that the response can have the context it needs to remain compatible + /// given the version of the extension in the request message. + /// The <see cref="Extensions.SimpleRegistration.ClaimsRequest.CreateResponse"/> for an example. + /// </remarks> + public IEnumerable<string> AdditionalSupportedTypeUris { get { return additionalTypeUris; } } + + /// <summary> + /// Gets or sets a value indicating whether this extension was + /// signed by the sender. + /// </summary> + /// <value> + /// <c>true</c> if this instance is signed by the sender; otherwise, <c>false</c>. + /// </value> + public bool IsSignedByRemoteParty { get; set; } + + #endregion + + #region IMessage Properties + + /// <summary> + /// Gets the version of the protocol or extension this message is prepared to implement. + /// </summary> + /// <value>The value 1.0.</value> + /// <remarks> + /// Implementations of this interface should ensure that this property never returns null. + /// </remarks> + public Version Version { + get { return new Version(1, 0); } + } + + /// <summary> + /// Gets the extra, non-standard Protocol parameters included in the message. + /// </summary> + /// <remarks> + /// Implementations of this interface should ensure that this property never returns null. + /// </remarks> + public IDictionary<string, string> ExtraData { + get { return this.extraData; } + } + + #endregion + + #region IMessage methods + + /// <summary> + /// Checks the message state for conformity to the protocol specification + /// and throws an exception if the message is invalid. + /// </summary> + /// <remarks> + /// <para>Some messages have required fields, or combinations of fields that must relate to each other + /// in specialized ways. After deserializing a message, this method checks the state of the + /// message to see if it conforms to the protocol.</para> + /// <para>Note that this property should <i>not</i> check signatures or perform any state checks + /// outside this scope of this particular message.</para> + /// </remarks> + /// <exception cref="ProtocolException">Thrown if the message is invalid.</exception> + public void EnsureValidMessage() { + } + + #endregion + + #region IMessageWithEvents Members + + /// <summary> + /// Called when the message is about to be transmitted, + /// before it passes through the channel binding elements. + /// </summary> + public void OnSending() { + } + + /// <summary> + /// Called when the message has been received, + /// after it passes through the channel binding elements. + /// </summary> + public void OnReceiving() { + if (this.LanguagePreference != null) { + // TODO: see if we can change the CultureInfo.CurrentUICulture somehow + } + } + + #endregion + } +} |