/// <summary>The core logic for asynchronously authorizing the specified user.</summary>
/// <param name="initializer">The authorization code initializer.</param>
/// <param name="scopes">
/// The scopes which indicate the Google API access your application is requesting.
/// </param>
/// <param name="user">The user to authenticate.</param>
/// <param name="taskCancellationToken">Cancellation token to cancel an operation.</param>
/// <returns>User credential.</returns>
private static async Task<UserCredential> AuthorizeAsyncCore(AuthorizationCodeFlow.Initializer initializer,
IEnumerable<string> scopes, string user, CancellationToken taskCancellationToken)
{
initializer.Scopes = scopes;
initializer.DataStore = new StorageDataStore();
var installedApp = new AuthorizationCodeWPInstalledApp(initializer);
return await installedApp.AuthorizeAsync(user, taskCancellationToken).ConfigureAwait(false);
}
/// <summary>
/// Constructs a new initializer from the given <see cref="AuthorizationCodeFlow"/>
/// </summary>
internal Initializer(AuthorizationCodeFlow flow)
{
AccessMethod = flow.AccessMethod;
TokenServerUrl = flow.TokenServerUrl;
AuthorizationServerUrl = flow.AuthorizationServerUrl;
ClientSecrets = flow.ClientSecrets;
DataStore = flow.DataStore;
Scopes = flow.Scopes;
HttpClientFactory = flow.HttpClientFactory;
DefaultExponentialBackOffPolicy = flow.DefaultExponentialBackOffPolicy;
Clock = flow.Clock;
}
private void EnsureService()
{
if (!_setting.UseGoogleDrive)
{
return;
}
if (_driveService != null)
{
return;
}
if (string.IsNullOrEmpty(_setting.GoogleClientId) || string.IsNullOrEmpty(_setting.GoogleClientSecret) ||
string.IsNullOrEmpty(_setting.GoogleRefreshToken))
{
throw new ApplicationException("Missing google drive configuration");
}
try
{
var initializer = new GoogleAuthorizationCodeFlow.Initializer
{
ClientSecrets = new ClientSecrets
{
ClientId = _setting.GoogleClientId,
ClientSecret = _setting.GoogleClientSecret
}
};
var flow = new AuthorizationCodeFlow(initializer);
//flow.RefreshTokenAsync("user", Configuration.GoogleRefreshToken, new CancellationTokenSource().Token);
var tokenResponse = new TokenResponse { RefreshToken = _setting.GoogleRefreshToken };
var userCredential = new UserCredential(flow, _setting.GoogleLocalUserId, tokenResponse);
_driveService = new DriveService(new BaseClientService.Initializer
{
HttpClientInitializer = userCredential,
ApplicationName = "Jarboo.Admin"
});
}
catch (Exception ex)
{
_driveService = null;
throw;
}
}
private static UserCredential GetCredentialWithAccessToken(string refreshToken, string clientID, string clientSecret, string[] scopes)
{
TokenResponse token = new TokenResponse
{
RefreshToken = refreshToken
};
IAuthorizationCodeFlow flow = new AuthorizationCodeFlow(new AuthorizationCodeFlow.Initializer(Google.Apis.Auth.OAuth2.GoogleAuthConsts.AuthorizationUrl, Google.Apis.Auth.OAuth2.GoogleAuthConsts.TokenUrl)
{
ClientSecrets = new ClientSecrets
{
ClientId = clientID,
ClientSecret = clientSecret
},
Scopes = scopes
});
UserCredential credential = new UserCredential(flow, "me", token);
try
{
bool success = credential.RefreshTokenAsync(CancellationToken.None).Result;
}
catch
{
throw;
}
return credential;
}
/// <summary>Constructs a new authorization code installed application for Windows Store.</summary>
/// <param name="authorizationCodeFlowInitializer">A authorization code flow initializer</param>
public AuthorizationCodeWinRTInstalledApp(AuthorizationCodeFlow.Initializer authorizationCodeFlowInitializer)
{
this.authorizationCodeFlowInitializer = authorizationCodeFlowInitializer;
}
/// <summary>Constructs a new Google authorization code flow.</summary>
public AAGoogleAuthorizationCodeFlow(AuthorizationCodeFlow.Initializer initializer)
: base(initializer)
{
}
/// <summary>
/// Constructs a new authorization code for Windows Store application targeting an installed application flow.
/// </summary>
/// <param name="authorizationCodeFlowInitializer">An authorization code flow initializer.</param>
public AuthorizationCodeWindowsInstalledApp(AuthorizationCodeFlow.Initializer authorizationCodeFlowInitializer)
{
innerInstallApp = new AuthorizationCodeInstalledApp(
new AuthorizationCodeFlow(authorizationCodeFlowInitializer), new AuthorizationCodeBroker());
}
/// <summary>Constructs a new authorization code installed application for WP.</summary>
/// <param name="authorizationCodeFlowInitializer">A authorization code flow initializer.</param>
public AuthorizationCodeWPInstalledApp(AuthorizationCodeFlow.Initializer authorizationCodeFlowInitializer)
{
var flow = new AuthorizationCodeFlow(authorizationCodeFlowInitializer);
innerInstallApp = new AuthorizationCodeInstalledApp(flow, new AuthorizationCodeBroker());
}
/// <summary>The core logic for asynchronously authorizing the specified user.</summary>
/// <param name="initializer">The authorization code initializer.</param>
/// <param name="scopes">
/// The scopes which indicate the Google API access your application is requesting.
/// </param>
/// <param name="user">The user to authorize.</param>
/// <param name="taskCancellationToken">Cancellation token to cancel an operation.</param>
/// <param name="dataStore">The data store, if not specified a file data store will be used.</param>
/// <returns>User credential.</returns>
private static async Task<UserCredential> AuthorizeAsyncCore(AuthorizationCodeFlow.Initializer initializer,
IEnumerable<string> scopes, string user, CancellationToken taskCancellationToken,
IDataStore dataStore = null)
{
initializer.Scopes = scopes;
initializer.DataStore = dataStore ?? new FileDataStore(Folder);
var flow = new GoogleAuthorizationCodeFlow(initializer);
// Create authorization code installed app instance and authorize the user.
return await new AuthorizationCodeInstalledApp(flow, new LocalServerCodeReceiver()).AuthorizeAsync
(user, taskCancellationToken).ConfigureAwait(false);
}