public override async Task <ICredential> GenerateCredentialAsync(InputArguments input)
{
ThrowIfDisposed();
// We should not allow unencrypted communication and should inform the user
if (StringComparer.OrdinalIgnoreCase.Equals(input.Protocol, "http"))
{
throw new Exception("Unencrypted HTTP is not supported for GitHub. Ensure the repository remote URL is using HTTPS.");
}
Uri targetUri = GetTargetUri(input);
ICredential credentials = await _gitHubAuth.GetCredentialsAsync(targetUri);
AuthenticationResult result = await _gitHubApi.AcquireTokenAsync(
targetUri, credentials, null, GitHubCredentialScopes);
if (result.Type == GitHubAuthenticationResultType.Success)
{
Context.Trace.WriteLine($"Token acquisition for '{targetUri}' succeeded");
return(result.Token);
}
if (result.Type == GitHubAuthenticationResultType.TwoFactorApp ||
result.Type == GitHubAuthenticationResultType.TwoFactorSms)
{
bool isSms = result.Type == GitHubAuthenticationResultType.TwoFactorSms;
string authCode = await _gitHubAuth.GetAuthenticationCodeAsync(targetUri, isSms);
result = await _gitHubApi.AcquireTokenAsync(
targetUri, credentials, authCode, GitHubCredentialScopes);
if (result.Type == GitHubAuthenticationResultType.Success)
{
Context.Trace.WriteLine($"Token acquisition for '{targetUri}' succeeded.");
return(result.Token);
}
}
throw new Exception($"Interactive logon for '{targetUri}' failed.");
}
public static Task <AuthenticationResult> AcquireTokenAsync(
this IGitHubRestApi api,
Uri targetUri,
ICredential credentials,
string authenticationCode,
IEnumerable <string> scopes)
{
return(api.AcquireTokenAsync(
targetUri,
credentials?.UserName,
credentials?.Password,
authenticationCode,
scopes));
}