private static async Task <dynamic> RefreshAccessToken(dynamic access, CancellationToken cancelToken)
{
dynamic key = CredentialStore.RetrieveObject("google.key.json").installed;
dynamic google = new DynamicRestClient("https://accounts.google.com/o/oauth2/");
var response = await google.token.post(cancelToken, client_id : key.client_id, client_secret : key.client_secret, refresh_token : access.refresh_token, grant_type : "refresh_token");
response.refresh_token = access.refresh_token; // the new access token doesn't have a new refresh token so move our current one here for long term storage
return(response);
}
/// <summary>
/// This authenticates against user and requires user interaction to authorize the unit test to access apis
/// This will do the auth, put the auth code on the clipboard and then open a browser with the app auth permission page
/// The auth code needs to be sent back to google
///
/// This should only need to be done once because the access token will be stored and refreshed for future test runs
/// </summary>
/// <returns></returns>
private async Task <dynamic> GetNewAccessToken(CancellationToken cancelToken)
{
dynamic key = CredentialStore.RetrieveObject("google.key.json").installed;
dynamic google = new DynamicRestClient("https://accounts.google.com/o/oauth2/");
var response = await google.device.code.post(cancelToken, client_id : key.client_id, scope : _scope);
Debug.WriteLine((string)response.user_code);
Console.WriteLine("Requested permissions are:");
Console.WriteLine(_scope);
Console.WriteLine("");
Console.WriteLine("Navigate to {0} in a web browser", response.verification_url);
Console.WriteLine("Enter this code to authorize access: " + response.user_code);
Console.WriteLine("");
// use clip.exe to put the user code on the clipboard
Process p = new Process();
p.StartInfo.FileName = "cmd.exe";
p.StartInfo.Arguments = string.Format("/c echo {0} | clip", response.user_code);
p.Start();
// this requires user permission - open a broswer - enter the user_code which is now in the clipboard
Process.Start((string)response.verification_url);
long expiration = response.expires_in;
long interval = response.interval;
long time = interval;
// we are using the device flow so enter the code in the browser
// here poll google for success
while (time < expiration)
{
Thread.Sleep((int)interval * 1000);
dynamic tokenResonse = await google.token.post(cancelToken, client_id : key.client_id, client_secret : key.client_secret, code : response.device_code, grant_type : "http://oauth.net/grant_type/device/1.0");
try
{
if (tokenResonse.access_token != null)
{
return(tokenResonse);
}
}
catch (RuntimeBinderException)
{
}
time += interval;
}
throw new OperationCanceledException("Authorization from user timed out");
}
private void StoreAccess(dynamic access)
{
access.expiry = DateTime.UtcNow.Add(TimeSpan.FromSeconds(access.expires_in));
CredentialStore.StoreObject(_scope.GetHashCode() + ".google.auth.json", access);
}