//-----------------------------------------------------------------------
//?
//?????Copyright?（c）?Andrew?Arnott.?All?rights?reserved.
//?
//-----------------------------------------------------------------------

namespace?DotNetOpenAuth.ApplicationBlock?{
	using?System;
	using?System.Collections.Generic;
	using?System.Diagnostics;
	using?System.Globalization;
	using?System.IO;
	using?System.Linq;
	using?System.Net;
	using?System.Security.Cryptography.X509Certificates;
	using?System.Text;
	using?System.Text.Regularexpressions;
	using?System.xml;
	using?System.xml.Linq;
	using?DotNetOpenAuth.Messaging;
	using?DotNetOpenAuth.OAuth;
	using?DotNetOpenAuth.OAuth.ChannelElements;

	///?

	///?A?consumer?capable?of?communicating?with?Google?Data?APIs.
	///?

	public?static?class?GoogleConsumer?{
		///?

		///?The?Consumer?to?use?for?accessing?Google?data?APIs.
		///?

		public?static?readonly?ServiceProviderDescription?ServiceDescription?=?new?ServiceProviderDescription?{
			RequestTokenEndpoint?=?new?MessageReceivingEndpoint（“https://www.google.com/accounts/OAuthGetRequestToken“?HttpDeliveryMethods.AuthorizationHeaderRequest?|?HttpDeliveryMethods.GetRequest）
			UserAuthorizationEndpoint?=?new?MessageReceivingEndpoint（“https://www.google.com/accounts/OAuthAuthorizeToken“?HttpDeliveryMethods.AuthorizationHeaderRequest?|?HttpDeliveryMethods.GetRequest）
			AccessTokenEndpoint?=?new?MessageReceivingEndpoint（“https://www.google.com/accounts/OAuthGetAccessToken“?HttpDeliveryMethods.AuthorizationHeaderRequest?|?HttpDeliveryMethods.GetRequest）
			TamperProtectionElements?=?new?ITamperProtectionChannelBindingElement[]?{?new?HmacSha1SigningBindingElement（）?}
		};

		///?

		///?A?mapping?between?Google‘s?applications?and?their?URI?scope?values.
		///?

		private?static?readonly?Dictionary?DataScopeUris?=?new?Dictionary?{
			{?Applications.Analytics?“https://www.google.com/analytics/feeds/“?}
			{?Applications.Googlebase?“http://www.google.com/base/feeds/“?}
			{?Applications.Blogger?“http://www.blogger.com/feeds“?}
			{?Applications.BookSearch?“http://www.google.com/books/feeds/“?}
			{?Applications.Calendar?“http://www.google.com/calendar/feeds/“?}
			{?Applications.Contacts?“http://www.google.com/m8/feeds/“?}
			{?Applications.DocumentsList?“http://docs.google.com/feeds/“?}
			{?Applications.Finance?“http://finance.google.com/finance/feeds/“?}
			{?Applications.Gmail?“https://mail.google.com/mail/feed/atom“?}
			{?Applications.Health?“https://www.google.com/h9/feeds/“?}
			{?Applications.Maps?“http://maps.google.com/maps/feeds/“?}
			{?Applications.OpenSocial?“http://sandbox.gmodules.com/api/“?}
			{?Applications.PicasaWeb?“http://picasaweb.google.com/data/“?}
			{?Applications.Spreadsheets?“http://spreadsheet