public async Task GetTokenAsync()

in src/Authentication/MsalSilentTokenProvider.cs [35:81]
38 lines of code
8 McCabe index (conditional complexity)

    public async Task<AuthenticationResult?> GetTokenAsync(TokenRequest tokenRequest, CancellationToken cancellationToken = default)
    {
        var accounts = await app.GetAccountsAsync();

        foreach (var account in accounts)
        {
            this.logger.LogTrace(Resources.MsalAccountInCache, $"{account.HomeAccountId?.TenantId}\\{account.Username}");
        }

        var authority = new Uri(app.Authority);

        if (!Guid.TryParse(authority.AbsolutePath.Trim('/'), out Guid authorityTenantId))
        {
            this.logger.LogTrace(Resources.MsalNoAuthorityTenant, authority);
        }

        var applicableAccounts = MsalExtensions.GetApplicableAccounts(accounts, authorityTenantId, tokenRequest.LoginHint);

        if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows) && app.AppConfig.IsBrokerEnabled)
        {
            applicableAccounts.Add((PublicClientApplication.OperatingSystemAccount, PublicClientApplication.OperatingSystemAccount.HomeAccountId.Identifier));
        }

        foreach ((IAccount account, string canonicalName) in applicableAccounts)
        {
            try
            {
                this.logger.LogTrace(Resources.MsalAccountAttempt, canonicalName);

                var result = await app.AcquireTokenSilent(MsalConstants.AzureDevOpsScopes, account)
                    .WithAccountTenantId(account)
                    .ExecuteAsync(cancellationToken);

                return result;
            }
            catch (MsalUiRequiredException ex)
            {
                this.logger.LogTrace(ex.Message);
            }
            catch (MsalServiceException ex)
            {
                this.logger.LogWarning(ex.Message);
            }
        }

        return null;
    }