Merge pull request #72 from goigle/master

Fixing System.InvalidCastException on Mono

Author: CrustyJew

RedditSharp/WebAgent.cs

@@ -256,13 +256,24 @@ protected virtual void EnforceRateLimit()
         public virtual HttpWebRequest CreateRequest(string url, string method)
         {
             EnforceRateLimit();
-            bool prependDomain = !Uri.IsWellFormedUriString(url, UriKind.Absolute);
+            bool prependDomain;
+            // IsWellFormedUriString returns true on Mono for some reason when using a string like "/api/me"
+            // additionally, doing this fixes an InvalidCastException
+            if (Type.GetType("Mono.Runtime") != null)
+                prependDomain = !url.StartsWith("http://") && !url.StartsWith("https://");
+            else
+                prependDomain = !Uri.IsWellFormedUriString(url, UriKind.Absolute);
             HttpWebRequest request;
             if (prependDomain)
                 request = (HttpWebRequest)WebRequest.Create(string.Format("{0}://{1}{2}", Protocol, RootDomain, url));
             else
                 request = (HttpWebRequest)WebRequest.Create(url);
             request.CookieContainer = Cookies;
+            if (Type.GetType("Mono.Runtime") != null)
+            {
+                var cookieHeader = Cookies.GetCookieHeader(new Uri("http://reddit.com"));
+                request.Headers.Set("Cookie", cookieHeader);
+            }
             if (IsOAuth() && request.Host.ToLower() == "oauth.reddit.com")// use OAuth
             {
                 request.Headers.Set("Authorization", "bearer " + AccessToken);//Must be included in OAuth calls