Adds ctor overload with scope parameter to FacebookClient.

Closes #272

1 files changed, 26 insertions, 2 deletions

diff --git a/src/DotNetOpenAuth.AspNet/Clients/OAuth2/FacebookClient.cs b/src/DotNetOpenAuth.AspNet/Clients/OAuth2/FacebookClient.cs
index a8c121d..f79b965 100644
--- a/src/DotNetOpenAuth.AspNet/Clients/OAuth2/FacebookClient.cs
+++ b/src/DotNetOpenAuth.AspNet/Clients/OAuth2/FacebookClient.cs
@@ -39,12 +39,18 @@ namespace DotNetOpenAuth.AspNet.Clients {
 		/// </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.
+		/// Initializes a new instance of the <see cref="FacebookClient"/> class
+		/// with "email" as the scope.
 		/// </summary>
 		/// <param name="appId">
 		/// The app id.
@@ -53,12 +59,30 @@ namespace DotNetOpenAuth.AspNet.Clients {
 		/// 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, 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
@@ -79,7 +103,7 @@ namespace DotNetOpenAuth.AspNet.Clients {
 				new Dictionary<string, string> {
 					{ "client_id", this.appId },
 					{ "redirect_uri", returnUrl.AbsoluteUri },
-					{ "scope", "email" },
+					{ "scope", this.scope },
 				});
 			return builder.Uri;
 		}