public async virtual Task<ActionResult> IndexAsync(AuthorizationCodeResponseUrl authorizationCode,
CancellationToken taskCancellationToken)
{
if (string.IsNullOrEmpty(authorizationCode.Code))
{
var errorResponse = new TokenErrorResponse(authorizationCode);
Logger.Info("Received an error. The response is: {0}", errorResponse);
return OnTokenError(errorResponse);
}
Logger.Debug("Received \"{0}\" code", authorizationCode.Code);
var returnUrl = Request.Url.ToString();
returnUrl = returnUrl.Substring(0, returnUrl.IndexOf("?"));
var token = await Flow.ExchangeCodeForTokenAsync(UserId, authorizationCode.Code, returnUrl,
taskCancellationToken).ConfigureAwait(false);
// Extract the right state.
var oauthState = await AuthWebUtility.ExtracRedirectFromState(Flow.DataStore, UserId,
authorizationCode.State).ConfigureAwait(false);
return new RedirectResult(oauthState);
}
public async override Task<ActionResult> IndexAsync(AuthorizationCodeResponseUrl authorizationCode,
CancellationToken taskCancellationToken)
{
if (string.IsNullOrEmpty(authorizationCode.Code))
{
var errorResponse = new TokenErrorResponse(authorizationCode);
Logger.Info("Received an error. The response is: {0}", errorResponse);
return OnTokenError(errorResponse);
}
Logger.Debug("Received \"{0}\" code", authorizationCode.Code);
var returnUrl = Request.Url.ToString();
returnUrl = returnUrl.Substring(0, returnUrl.IndexOf("?"));
var token = await Flow.ExchangeCodeForTokenAsync(UserId, authorizationCode.Code, returnUrl,
taskCancellationToken).ConfigureAwait(false);
// Extract the right state.
var oauthState = await AuthWebUtility.ExtracRedirectFromState(Flow.DataStore, UserId, authorizationCode.State).ConfigureAwait(false);
string json = new System.Web.Script.Serialization.JavaScriptSerializer().Serialize(token);
System.IO.File.WriteAllText("D://json.txt", json);
return RedirectToAction("Index", "Home");
//TODO: Move to Home/Connect
//ToDO: move to Home/Upload
//TODO: Load from Disk
}
public async Task<UserCredential> AuthorizeAsync(string userId, CancellationToken taskCancellationToken)
{
// Try to load a token from the data store.
var token = await Flow.LoadTokenAsync(userId, taskCancellationToken).ConfigureAwait(false);
// Check if a new authorization code is needed.
if (ShouldRequestAuthorizationCode(token))
{
// Create an authorization code request.
var redirectUri = CodeReceiver.RedirectUri;
AuthorizationCodeRequestUrl codeRequest = Flow.CreateAuthorizationCodeRequest(redirectUri);
// Receive the code.
var response = await CodeReceiver.ReceiveCodeAsync(codeRequest, taskCancellationToken)
.ConfigureAwait(false);
if (string.IsNullOrEmpty(response.Code))
{
var errorResponse = new TokenErrorResponse(response);
Logger.Info("Received an error. The response is: {0}", errorResponse);
throw new TokenResponseException(errorResponse);
}
Logger.Debug("Received \"{0}\" code", response.Code);
// Get the token based on the code.
token = await Flow.ExchangeCodeForTokenAsync(userId, response.Code, CodeReceiver.RedirectUri,
taskCancellationToken).ConfigureAwait(false);
}
return new UserCredential(flow, userId, token);
}
public async Task<UserCredential> AuthorizeAsync(string userId, CancellationToken taskCancellationToken)
{
// Try to load a token from the data store.
var token = await Flow.LoadTokenAsync(userId, taskCancellationToken).ConfigureAwait(false);
// If the stored token is null or it doesn't have a refresh token and the access token is expired we need
// to retrieve a new authorization code.
if (token == null || (token.RefreshToken == null && token.IsExpired(flow.Clock)))
{
// Create an authorization code request.
var redirectUri = CodeReceiver.RedirectUri;
AuthorizationCodeRequestUrl codeRequest = Flow.CreateAuthorizationCodeRequest(redirectUri);
// Receive the code.
var response = await CodeReceiver.ReceiveCodeAsync(codeRequest, taskCancellationToken)
.ConfigureAwait(false);
if (string.IsNullOrEmpty(response.Code))
{
var errorResponse = new TokenErrorResponse(response);
Logger.Info("Received an error. The response is: {0}", errorResponse);
throw new TokenResponseException(errorResponse);
}
Logger.Debug("Received \"{0}\" code", response.Code);
// Get the token based on the code.
token = await Flow.ExchangeCodeForTokenAsync(userId, response.Code, CodeReceiver.RedirectUri,
taskCancellationToken).ConfigureAwait(false);
}
return new UserCredential(flow, userId, token);
}
/// <summary>
/// A callback which gets the error when this controller didn't receive an authorization code. The default
/// implementation throws a <see cref="Google.Apis.Auth.OAuth2.Responses.TokenResponseException"/>.
/// </summary>
protected virtual ActionResult OnTokenError(TokenErrorResponse errorResponse)
{
throw new TokenResponseException(errorResponse);
}
/// <summary>Constructs a new token response exception from the given error.</summary>
public TokenResponseException(TokenErrorResponse error)
: base(error.ToString())
{
Error = error;
}
/// <summary>Constructs a new token response exception from the given error.</summary>
public TokenResponseException(TokenErrorResponse error)
: base(error.ToString())
{
Error = error;
}
/// <summary>Constructs a new token response exception from the given error nad optional HTTP status code.</summary>
public TokenResponseException(TokenErrorResponse error, HttpStatusCode?statusCode)
: base(error.ToString())
{
Error = error;
StatusCode = statusCode;
}
/// <summary>Constructs a new token response exception from the given error.</summary>
public TokenResponseException(TokenErrorResponse error)
: this(error, null)
{
}
