private Google.Apis.Gmail.v1.GmailService CreateGmailService(Token token)
{
var tokenResponse = new TokenResponse()
{
AccessToken = token.AccessToken,
ExpiresInSeconds = token.ExpiresInSeconds,
IdToken = token.IdToken,
Issued = token.Issued,
IssuedUtc = token.IssuedUtc,
RefreshToken = token.RefreshToken,
Scope = token.Scope,
TokenType = token.TokenType,
};
var credential = new UserCredential(new GoogleAuthorizationCodeFlow(new GoogleAuthorizationCodeFlow.Initializer
{
ClientSecrets = new ClientSecrets
{
ClientId = ClientId,
ClientSecret = ClientSecret,
},
}),
"me",
tokenResponse);
var gmailService = new Google.Apis.Gmail.v1.GmailService(new BaseClientService.Initializer()
{
HttpClientInitializer = credential,
});
return(gmailService);
}
///<summary>Throws exceptions if failing to send emails or authenticate with Google.</summary>
private static void SendEmailOAuth(BasicEmailAddress address, BasicEmailMessage message)
{
using GmailApi.GmailService gService = GoogleApiConnector.CreateGmailService(address);
try {
GmailApi.Data.Message gmailMessage = CreateGmailMsg(address, message);
gService.Users.Messages.Send(gmailMessage, address.EmailUsername).Execute();
}
catch (GoogleApiException gae) {
gae.DoNothing();
//This will bubble up to the UI level and be caught in a copypaste box.
throw new Exception("Unable to authenticate with Google: " + gae.Message);
}
catch (Exception ex) {
//This will bubble up to the UI level and be caught in a copypaste box.
throw new Exception($"Error sending email with OAuth authorization: {ex.Message}");
}
}