/// <summary>
/// Checks the verified purchase result.
/// </summary>
/// <returns><c>true</c>, if purchase result matches the provided nonce, <c>false</c> otherwise.</returns>
/// <param name="result">Result of the IRequest returned from VerifyPurchase</param>
/// <param name="nonce">Nonce string from the original request.</param>
public bool CheckVerifiedPurchaseResult(IDictionary <string, object> result, string nonce)
{
if (!result.ContainsKey("ver"))
{
return(false);
}
string ver = result["ver"] as String;
byte[] key = Encoding.UTF8.GetBytes(ApplicationKey);
string expected = WebData.HexDigest(key, nonce + "OK");
return(expected == ver);
}
/// <summary>
/// A WWW with an x-tsumanga-sign header signing the POST data
/// using the specified key.
/// </summary>
/// <returns>
/// The WWW object
/// </returns>
/// <param name='url'>
/// URL (to be appended to the host from the constructor)
/// </param>
/// <param name='key'>
/// A byte array that will be the HMAC key used to sign the data.
/// </param>
/// <param name='body'>
/// An object that will be serialised to JSON and encoded as UTF8,
/// which will then be used with the key to make an HMAC signature.
/// </param>
internal WWW SignedWWW(string url, byte[] key, object body, string methodOverride)
{
string json = (body is string) ? body as string : WebData.JsonSerialise(body);
Dictionary <string, string> headers = new Dictionary <string, string>();
headers["Content-Type"] = "application/json";
byte[] data = Encoding.UTF8.GetBytes(json);
// now use gzip content encoding if it makes the request smaller
byte[] zippedData = WebData.Gzip(data);
if (zippedData.Length < data.Length)
{
data = zippedData;
headers["Content-Encoding"] = "gzip";
}
headers["x-tsumanga-sign"] = WebData.HexDigest(key, data);
if (methodOverride != null)
{
headers["X-HTTP-Method-Override"] = methodOverride;
}
return(new WWW(WebServiceHost + url, data, headers));
}