public async Task<Tokens> GetStoredTokens()
{
try
{
var tokens = new Tokens().Deserialize("Tokens.json");
return tokens.ExpiryDate >= DateTime.Now
? tokens
: await ParseResponseAndStore(GetRefreshTokenResponse(tokens.RefreshToken));
}
catch (Exception ex)
{
return new Tokens();
}
}
private static async Task<Tokens> ParseResponseAndStore(Task<string> response)
{
var content = await response;
var jsonObj = JObject.Parse(content);
var token = jsonObj.SelectToken("$.access_token");
var refreshToken = jsonObj.SelectToken("$.refresh_token");
var expires = jsonObj.SelectToken("$['.expires']");
var tokens = new Tokens
{
AccessToken = token.ToString(),
RefreshToken = refreshToken.ToString(),
ExpiryDate = DateTime.Parse(expires.ToString())
};
tokens.Serialize("Tokens.json");
return tokens;
}
