diff options
Diffstat (limited to 'src/DotNetOpenAuth.AspNet/Clients/OAuth2/FacebookClient.cs')
| -rw-r--r-- | src/DotNetOpenAuth.AspNet/Clients/OAuth2/FacebookClient.cs | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/src/DotNetOpenAuth.AspNet/Clients/OAuth2/FacebookClient.cs b/src/DotNetOpenAuth.AspNet/Clients/OAuth2/FacebookClient.cs deleted file mode 100644 index 611f322..0000000 --- a/src/DotNetOpenAuth.AspNet/Clients/OAuth2/FacebookClient.cs +++ /dev/null @@ -1,201 +0,0 @@ -//----------------------------------------------------------------------- -// <copyright file="FacebookClient.cs" company="Microsoft"> -// Copyright (c) Microsoft. All rights reserved. -// </copyright> -//----------------------------------------------------------------------- - -namespace DotNetOpenAuth.AspNet.Clients { - using System; - using System.Collections.Generic; - using System.Collections.Specialized; - using System.Diagnostics.CodeAnalysis; - using System.Net; - using System.Web; - using DotNetOpenAuth.Messaging; - using Validation; - - /// <summary> - /// The facebook client. - /// </summary> - [SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Facebook", Justification = "Brand name")] - public sealed class FacebookClient : OAuth2Client { - #region Constants and Fields - - /// <summary> - /// The authorization endpoint. - /// </summary> - private const string AuthorizationEndpoint = "https://www.facebook.com/dialog/oauth"; - - /// <summary> - /// The token endpoint. - /// </summary> - private const string TokenEndpoint = "https://graph.facebook.com/oauth/access_token"; - - /// <summary> - /// The _app id. - /// </summary> - private readonly string appId; - - /// <summary> - /// The _app secret. - /// </summary> - private readonly string appSecret; - - /// <summary> - /// The scope. - /// </summary> - private readonly string[] scope; - - #endregion - - #region Constructors and Destructors - - /// <summary> - /// Initializes a new instance of the <see cref="FacebookClient"/> class - /// with "email" as the scope. - /// </summary> - /// <param name="appId"> - /// The app id. - /// </param> - /// <param name="appSecret"> - /// The app secret. - /// </param> - public FacebookClient(string appId, string appSecret) - : this(appId, appSecret, "email") { - } - - /// <summary> - /// Initializes a new instance of the <see cref="FacebookClient"/> class. - /// </summary> - /// <param name="appId"> - /// The app id. - /// </param> - /// <param name="appSecret"> - /// The app secret. - /// </param> - /// <param name="scope"> - /// The scope of authorization to request when authenticating with Facebook. The default is "email". - /// </param> - public FacebookClient(string appId, string appSecret, params string[] scope) - : base("facebook") { - Requires.NotNullOrEmpty(appId, "appId"); - Requires.NotNullOrEmpty(appSecret, "appSecret"); - Requires.NotNullOrEmpty(scope, "scope"); - - this.appId = appId; - this.appSecret = appSecret; - this.scope = scope; - } - - #endregion - - #region Methods - - /// <summary> - /// The get service login url. - /// </summary> - /// <param name="returnUrl"> - /// The return url. - /// </param> - /// <returns>An absolute URI.</returns> - protected override Uri GetServiceLoginUrl(Uri returnUrl) { - // Note: Facebook doesn't like us to url-encode the redirect_uri value - var builder = new UriBuilder(AuthorizationEndpoint); - builder.AppendQueryArgs( - new Dictionary<string, string> { - { "client_id", this.appId }, - { "redirect_uri", returnUrl.AbsoluteUri }, - { "scope", string.Join(" ", this.scope) }, - }); - return builder.Uri; - } - - /// <summary> - /// The get user data. - /// </summary> - /// <param name="accessToken"> - /// The access token. - /// </param> - /// <returns>A dictionary of profile data.</returns> - protected override NameValueCollection GetUserData(string accessToken) { - FacebookGraphData graphData; - var request = - WebRequest.Create( - "https://graph.facebook.com/me?access_token=" + MessagingUtilities.EscapeUriDataStringRfc3986(accessToken)); - using (var response = request.GetResponse()) { - using (var responseStream = response.GetResponseStream()) { - graphData = JsonHelper.Deserialize<FacebookGraphData>(responseStream); - } - } - - // this dictionary must contains - var userData = new NameValueCollection(); - userData.AddItemIfNotEmpty("id", graphData.Id); - userData.AddItemIfNotEmpty("username", graphData.Email); - userData.AddItemIfNotEmpty("name", graphData.Name); - userData.AddItemIfNotEmpty("link", graphData.Link == null ? null : graphData.Link.AbsoluteUri); - userData.AddItemIfNotEmpty("gender", graphData.Gender); - userData.AddItemIfNotEmpty("birthday", graphData.Birthday); - return userData; - } - - /// <summary> - /// Obtains an access token given an authorization code and callback URL. - /// </summary> - /// <param name="returnUrl"> - /// The return url. - /// </param> - /// <param name="authorizationCode"> - /// The authorization code. - /// </param> - /// <returns> - /// The access token. - /// </returns> - protected override string QueryAccessToken(Uri returnUrl, string authorizationCode) { - // Note: Facebook doesn't like us to url-encode the redirect_uri value - var builder = new UriBuilder(TokenEndpoint); - builder.AppendQueryArgs( - new Dictionary<string, string> { - { "client_id", this.appId }, - { "redirect_uri", NormalizeHexEncoding(returnUrl.AbsoluteUri) }, - { "client_secret", this.appSecret }, - { "code", authorizationCode }, - { "scope", "email" }, - }); - - using (WebClient client = new WebClient()) { - string data = client.DownloadString(builder.Uri); - if (string.IsNullOrEmpty(data)) { - return null; - } - - var parsedQueryString = HttpUtility.ParseQueryString(data); - return parsedQueryString["access_token"]; - } - } - - /// <summary> - /// Converts any % encoded values in the URL to uppercase. - /// </summary> - /// <param name="url">The URL string to normalize</param> - /// <returns>The normalized url</returns> - /// <example>NormalizeHexEncoding("Login.aspx?ReturnUrl=%2fAccount%2fManage.aspx") returns "Login.aspx?ReturnUrl=%2FAccount%2FManage.aspx"</example> - /// <remarks> - /// There is an issue in Facebook whereby it will rejects the redirect_uri value if - /// the url contains lowercase % encoded values. - /// </remarks> - private static string NormalizeHexEncoding(string url) { - var chars = url.ToCharArray(); - for (int i = 0; i < chars.Length - 2; i++) { - if (chars[i] == '%') { - chars[i + 1] = char.ToUpperInvariant(chars[i + 1]); - chars[i + 2] = char.ToUpperInvariant(chars[i + 2]); - i += 2; - } - } - return new string(chars); - } - - #endregion - } -} |