private async Task ReAuth(CommandContext ctx)
{
ctx.LogInfo($"GoogleAssistant: Attempting to refresh access token.");
using (IAuthorizationCodeFlow flow =
new GoogleAuthorizationCodeFlow(new GoogleAuthorizationCodeFlow.Initializer
{
ClientSecrets = new ClientSecrets
{
ClientId = KarvisConfiguration.GoogleAssistantConfiguration.ClientId,
ClientSecret = KarvisConfiguration.GoogleAssistantConfiguration.ClientSecret
},
Scopes = new[] { "https://www.googleapis.com/auth/assistant-sdk-prototype" }
}))
{
var tokenResponse = await flow.RefreshTokenAsync(
KarvisConfiguration.GoogleAssistantConfiguration.DebugUser,
new GoogleOAuth(KarvisConfiguration).GetRefreshTokenForUser(ctx.User.Id),
new CancellationToken());
new GoogleOAuth(KarvisConfiguration).StoreCredentialsForUser(
KarvisConfiguration.GoogleAssistantConfiguration.DebugUser, tokenResponse.AccessToken,
tokenResponse.RefreshToken, ctx.User.Id);
var channelCredentials = ChannelCredentials.Create(new SslCredentials(),
GoogleGrpcCredentials.FromAccessToken(tokenResponse.AccessToken));
UserEmbeddedAssistantClients[ctx.User.Id] =
new EmbeddedAssistant.EmbeddedAssistantClient(
new Channel("embeddedassistant.googleapis.com", 443, channelCredentials));
}
}
/// <summary>
/// This class get the information of the user credentials for DRIVE
/// </summary>
/// <returns></returns>
private static UserCredential getUserCredential()
{
//el objeto que contiene el client_secret.json
clsClientSecret secret = new clsClientSecret();
var flow = new GoogleAuthorizationCodeFlow(new GoogleAuthorizationCodeFlow.Initializer
{
ClientSecrets = new ClientSecrets
{
ClientId = secret.client_id,
ClientSecret = secret.client_secret
},
Scopes = new[] { DriveService.Scope.Drive, DriveService.Scope.DriveFile }
});
//refresa el access token cada vez que necesite acceso
access_token = flow.RefreshTokenAsync(secret.client_id, refresh_token, CancellationToken.None).Result.RefreshToken;
//crea el credential con access token y refresh token de cada usuario
var credential = new UserCredential(flow, UserIdentifier, new TokenResponse
{
AccessToken = access_token,
RefreshToken = refresh_token
});
return(credential);
}
public GmailServiceResponse <Token> RefreshToken(string refreshToken)
{
var result = new GmailServiceResponse <Token>();
try
{
var credential = new GoogleAuthorizationCodeFlow(new GoogleAuthorizationCodeFlow.Initializer
{
ClientSecrets = new ClientSecrets
{
ClientId = ClientId,
ClientSecret = ClientSecret,
},
Scopes = new[] { Google.Apis.Gmail.v1.GmailService.Scope.GmailModify }
});
var task = credential.RefreshTokenAsync("", refreshToken, CancellationToken.None);
var tokenResponse = task.Result;
var token = new Token()
{
AccessToken = tokenResponse.AccessToken,
ExpiresInSeconds = tokenResponse.ExpiresInSeconds,
IdToken = tokenResponse.IdToken,
Issued = tokenResponse.Issued,
IssuedUtc = tokenResponse.IssuedUtc,
RefreshToken = tokenResponse.RefreshToken,
Scope = tokenResponse.Scope,
TokenType = tokenResponse.TokenType,
};
result.Result = token;
}
catch (Exception ex)
{
result.Error = ex.Message;
}
return(result);
}
