public OfflineGoogleAuthorizationCodeFlow(GoogleAuthorizationCodeFlow.Initializer initializer) : base(initializer)
{
}
public GoogleCredentialManager(GoogleAuthorizationCodeFlow.Initializer initializer)
{
_flow = new GoogleAuthorizationCodeFlow(initializer);
}
public static IConfigurableHttpClientInitializer authenticate(
BaseConfig config, string scope)
{
String[] scopes = new[] { scope };
try
{
GoogleCredential credential = GoogleCredential.GetApplicationDefaultAsync().Result;
Console.WriteLine("Using Application Default Credentials.");
return(credential.CreateScoped(scopes));
}
catch (AggregateException)
{
// Do nothing, we'll just let it slide and check the others.
}
if (config.ConfigDir == null)
{
throw new ArgumentException(
"Must use Google Application Default Credentials when running without a "
+ "configuration directory");
}
String oauthFilePath = Path.Combine(config.ConfigDir, "client-secrets.json");
String serviceAccountPath = Path.Combine(config.ConfigDir, "service-account.json");
if (File.Exists(serviceAccountPath))
{
Console.WriteLine($"Loading service account credentials from {serviceAccountPath}");
using (FileStream stream = new FileStream(
serviceAccountPath, FileMode.Open, FileAccess.Read))
{
GoogleCredential credential = GoogleCredential.FromStream(stream);
return(credential.CreateScoped(scopes));
}
}
else if (File.Exists(oauthFilePath))
{
Console.WriteLine($"Loading OAuth2 credentials from {oauthFilePath}");
using (FileStream oauthFile =
File.Open(oauthFilePath, FileMode.Open, FileAccess.Read))
{
var clientSecrets = GoogleClientSecrets.Load(oauthFile).Secrets;
var userId = "unused";
TokenResponse token = LoadToken(config, scope);
if (token != null)
{
Console.WriteLine("Loading old access token.");
try
{
var init = new GoogleAuthorizationCodeFlow.Initializer()
{
ClientSecrets = clientSecrets,
Scopes = scopes
};
var flow = new GoogleAuthorizationCodeFlow(init);
UserCredential storedCred = new UserCredential(flow, userId, token);
// Want to try and test and make sure we'll actually be able to
// use these credentials.
if (!storedCred.RefreshTokenAsync(CancellationToken.None).Result)
{
throw new InvalidDataException();
}
return(storedCred);
}
catch (InvalidDataException)
{
Console.WriteLine("Failed to load old access token.");
// Ignore, we'll just reauthenticate below.
}
}
UserCredential credential = GoogleWebAuthorizationBroker.AuthorizeAsync(
clientSecrets, scopes, userId, CancellationToken.None).Result;
StoreToken(config, credential.Token);
return(credential);
}
}
Console.WriteLine("Could not find authentication credentials. Checked:");
Console.WriteLine(" - Google Application Default Credentials");
Console.WriteLine($" - {serviceAccountPath}");
Console.WriteLine($" - {oauthFilePath}");
Console.WriteLine("Please read the included README for instructions.");
return(null);
}
public GoogleAuthController(GoogleAuthorizationCodeFlow.Initializer initializer, GoogleCredentialManager gcm)
{
this.flow = new GoogleAuthorizationCodeFlow(initializer);
this.gcm = gcm;
}
