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//-----------------------------------------------------------------------
// <copyright file="ServiceProvider.cs" company="Andrew Arnott">
// Copyright (c) Andrew Arnott. All rights reserved.
// </copyright>
//-----------------------------------------------------------------------
namespace DotNetOAuth {
using System;
using System.Web;
using DotNetOAuth.ChannelElements;
using DotNetOAuth.Messages;
using DotNetOAuth.Messaging;
using DotNetOAuth.Messaging.Bindings;
/// <summary>
/// A web application that allows access via OAuth.
/// </summary>
/// <remarks>
/// <para>The Service Provider’s documentation should include:</para>
/// <list>
/// <item>The URLs (Request URLs) the Consumer will use when making OAuth requests, and the HTTP methods (i.e. GET, POST, etc.) used in the Request Token URL and Access Token URL.</item>
/// <item>Signature methods supported by the Service Provider.</item>
/// <item>Any additional request parameters that the Service Provider requires in order to obtain a Token. Service Provider specific parameters MUST NOT begin with oauth_.</item>
/// </list>
/// </remarks>
public class ServiceProvider {
/// <summary>
/// The field used to store the value of the <see cref="RequestTokenEndpoint"/> property.
/// </summary>
private ServiceProviderEndpoint requestTokenEndpoint;
/// <summary>
/// Initializes a new instance of the <see cref="ServiceProvider"/> class.
/// </summary>
public ServiceProvider() {
SigningBindingElementBase signingElement = new PlainTextSigningBindingElement();
INonceStore store = new NonceMemoryStore(StandardExpirationBindingElement.DefaultMaximumMessageAge);
this.Channel = new OAuthChannel(signingElement, store);
}
/// <summary>
/// Gets or sets the URL used to obtain an unauthorized Request Token,
/// described in Section 6.1 (Obtaining an Unauthorized Request Token).
/// </summary>
/// <remarks>
/// The request URL query MUST NOT contain any OAuth Protocol Parameters.
/// This is the URL that <see cref="Messages.RequestTokenMessage"/> messages are directed to.
/// </remarks>
/// <exception cref="ArgumentException">Thrown if this property is set to a URI with OAuth protocol parameters.</exception>
public ServiceProviderEndpoint RequestTokenEndpoint {
get {
return this.requestTokenEndpoint;
}
set {
if (value != null && UriUtil.QueryStringContainsOAuthParameters(value.Location)) {
throw new ArgumentException(Strings.RequestUrlMustNotHaveOAuthParameters);
}
this.requestTokenEndpoint = value;
}
}
/// <summary>
/// Gets or sets the URL used to obtain User authorization for Consumer access,
/// described in Section 6.2 (Obtaining User Authorization).
/// </summary>
/// <remarks>
/// This is the URL that <see cref="Messages.DirectUserToServiceProviderMessage"/> messages are
/// indirectly (via the user agent) sent to.
/// </remarks>
public ServiceProviderEndpoint UserAuthorizationEndpoint { get; set; }
/// <summary>
/// Gets or sets the URL used to exchange the User-authorized Request Token
/// for an Access Token, described in Section 6.3 (Obtaining an Access Token).
/// </summary>
/// <remarks>
/// This is the URL that <see cref="Messages.RequestAccessTokenMessage"/> messages are directed to.
/// </remarks>
public ServiceProviderEndpoint AccessTokenEndpoint { get; set; }
/// <summary>
/// Gets or sets the channel to use for sending/receiving messages.
/// </summary>
internal OAuthChannel Channel { get; set; }
/// <summary>
/// Gets the pending user agent redirect based message to be sent as an HttpResponse.
/// </summary>
public Response PendingRequest { get; private set; }
internal RequestTokenMessage ReadTokenRequest() {
return this.Channel.ReadFromRequest<RequestTokenMessage>();
}
internal RequestTokenMessage ReadTokenRequest(HttpRequest request) {
return this.ReadTokenRequest(new HttpRequestInfo(request));
}
internal RequestTokenMessage ReadTokenRequest(HttpRequestInfo request) {
return this.Channel.ReadFromRequest<RequestTokenMessage>(request);
}
internal void SendUnauthorizedTokenResponse(string token, string secret) {
UnauthorizedRequestTokenMessage response = new UnauthorizedRequestTokenMessage {
RequestToken = token,
TokenSecret = secret,
};
this.Channel.Send(response);
}
internal DirectUserToServiceProviderMessage ReadAuthorizationRequest() {
return this.Channel.ReadFromRequest<DirectUserToServiceProviderMessage>();
}
internal DirectUserToServiceProviderMessage ReadAuthorizationRequest(HttpRequest request) {
return this.ReadAuthorizationRequest(new HttpRequestInfo(request));
}
internal DirectUserToServiceProviderMessage ReadAuthorizationRequest(HttpRequestInfo request) {
return this.Channel.ReadFromRequest<DirectUserToServiceProviderMessage>(request);
}
internal void SendAuthorizationResponse(DirectUserToServiceProviderMessage request) {
var authorization = new DirectUserToConsumerMessage(request.Callback) {
RequestToken = request.RequestToken,
};
this.Channel.Send(authorization);
this.PendingRequest = this.Channel.DequeueIndirectOrResponseMessage();
}
internal RequestAccessTokenMessage ReadAccessTokenRequest() {
return this.Channel.ReadFromRequest<RequestAccessTokenMessage>();
}
internal RequestAccessTokenMessage ReadAccessTokenRequest(HttpRequest request) {
return this.ReadAccessTokenRequest(new HttpRequestInfo(request));
}
internal RequestAccessTokenMessage ReadAccessTokenRequest(HttpRequestInfo request) {
return this.Channel.ReadFromRequest<RequestAccessTokenMessage>(request);
}
internal void SendAccessToken(string accessToken, string tokenSecret) {
var grantAccess = new GrantAccessTokenMessage {
AccessToken = accessToken,
TokenSecret = tokenSecret,
};
this.Channel.Send(grantAccess);
}
}
}
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