public async Task <ContentResult> Authorize(
[FromQuery(Name = "state")] string state = null,
[FromQuery(Name = "code")] string code = null,
[FromQuery(Name = "error")] string error = null)
{
if (string.IsNullOrEmpty(state))
{
// return Test HTML
return(new ContentResult
{
Content = "<form method=\"post\"><input type=\"submit\" value=\"Authorize\" /></form>",
ContentType = "text/html",
StatusCode = 200
});
}
string userId = HttpHelper.GetUserId(HttpContext);
// if Spotify returned an error, throw it
if (error != null)
{
throw new SpotifyApiErrorException(error);
}
// Use the code to request a token
var tokens = await _userAccounts.RequestAccessRefreshToken(code);
//TODO: check state is valid
await _userStateService.ValidateState(state, userId);
// Save the Token
await _tokenService.SetSpotifyAccessToken(userId, tokens);
//TODO: Get the Spotify Username
// Create a User if not exists
await _userService.CreateUserIfNotExists(userId);
// Get a Ringo Token
var ringoToken = await _tokenService.GetRingoAccessToken(userId);
// return an HTML result that posts a message back to the opening window and then closes itself.
return(new ContentResult
{
ContentType = "text/html",
StatusCode = (int)HttpStatusCode.OK,
Content = $"<html><body><script>window.opener.postMessage(\"{ userId },{ ringoToken }\", \"*\");window.close()</script></body></html>"
});
}