WWW stream in Windows Store error

Question

I'm using a leaderboard service called Scoreoid and everything works fine when I'm in Unity but once I build to a Windows Store application and try to run it in Visual Studio, I get an error everytime I try to get any data using WWWForm. I have the Internet(Client) and Internet(Client & Server) capabilities enabled in the project. Here is the code that is throwing the error.

  public void getBestScores()
     {
         /* API  method */
         string url = "https://api.scoreoid.com/v1/getScores";
 
         /* Unity WWW Class used for HTTP Request */
         WWWForm form = new WWWForm();
 
         form.AddField("api_key", "apiKeyGoesHere");
         form.AddField("game_id", "GameIDGoesHere");
         form.AddField("response", "json");
         form.AddField("order_by", "score");
         form.AddField("order", "desc");
         form.AddField("limit", "15");
         form.AddField("platform", "Windows 8");
         WWW www = new WWW(url, form);
         StartCoroutine(WaitForRequestGetBestScores(www));
     }
 
     IEnumerator WaitForRequestGetBestScores(WWW www)
     {
         yield return www;
 
         /* Check for errors */
         if (www.error == null)
         {
             var data = JsonConvert.DeserializeObject<getBestScoresData[]>(www.text);
             int num = 1;            
             foreach (getBestScoresData item in data)
             {
                 scores.text += num.ToString() + ". " + item.Player.username + "   -   " + item.Score.score + "\n";
                 num++;
             }
         }
         else
         {
             Debug.Log("WWW Error: " + www.error);
             scores.text = "Error Retrieving Scores";
         }
     }

The exact error text I'm getting is "Error while opening 'https://api.scoreoid.com/v1/getScores' - Operation has failed with error 0x800c0008: The download of the specified resource has failed."

Thanks for any help anyone can give.

Answer 1

Answer by shudecek · Jun 16, 2016 at 05:41 AM

Hi, in my case this has to do with using https instead of http. I am pointing to my own local server and I get this same error with https, but with http it works fine. I believe this has to do the certificate errors. In my case I am using a self-signed cert and ignoring SSL errors using a ServicePointManager.ServerCertificateValidationCallback function such as:

     private static bool TrustCertificate(object sender, X509Certificate x509Certificate, X509Chain x509Chain, SslPolicyErrors sslPolicyErrors)
        {        
             return true; // Accept all
        }

..the problem is that the x509 stuff is not supported in Windows Apps.

I believe I need to ignore errors in Windows as mentioned here:

https://code.msdn.microsoft.com/windowsapps/How-to-ignore-Self-Signed-e50b89b6

but I have not tried this using Unity WWW methods yet

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WWW stream in Windows Store error

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