/// <summary>
/// Initializes a new instance of the <see cref="SlackClientWrapper"/> class.
/// Creates a Slack client by supplying the access token.
/// </summary>
/// <param name="options">An object containing API credentials, a webhook verification token and other options.</param>
public SlackClientWrapper(SlackAdapterOptions options)
{
Options = options ?? throw new ArgumentNullException(nameof(options));
if (string.IsNullOrWhiteSpace(options.SlackVerificationToken) && string.IsNullOrWhiteSpace(options.SlackClientSigningSecret))
{
const string warning = "****************************************************************************************" +
"* WARNING: Your bot is operating without recommended security mechanisms in place. *" +
"* Initialize your adapter with a clientSigningSecret parameter to enable *" +
"* verification that all incoming webhooks originate with Slack: *" +
"* *" +
"* var adapter = new SlackAdapter({clientSigningSecret: <my secret from slack>}); *" +
"* *" +
"****************************************************************************************" +
">> Slack docs: https://api.slack.com/docs/verifying-requests-from-slack";
throw new Exception(warning + Environment.NewLine + "Required: include a verificationToken or clientSigningSecret to verify incoming Events API webhooks");
}
_api = new SlackTaskClient(options.SlackBotToken);
LoginWithSlackAsync(default).Wait();
/// <summary>
/// Initializes a new instance of the <see cref="SlackAdapter"/> class.
/// Creates a Slack adapter.
/// </summary>
/// <param name="adapterOptions">The adapter options to be used when connecting to the Slack API.</param>
/// <param name="logger">The ILogger implementation this adapter should use.</param>
/// <param name="slackClient">The SlackClientWrapper used to connect to the Slack API.</param>
public SlackAdapter(SlackAdapterOptions adapterOptions, ILogger logger = null, SlackClientWrapper slackClient = null)
{
_slackClient = slackClient ?? new SlackClientWrapper(adapterOptions) ?? throw new ArgumentNullException(nameof(adapterOptions));
_logger = logger ?? NullLogger.Instance;
}
/// <summary>
/// Initializes a new instance of the <see cref="SlackAdapter"/> class using configuration settings.
/// </summary>
/// <param name="configuration">An <see cref="IConfiguration"/> instance.</param>
/// <remarks>
/// The configuration keys are:
/// SlackVerificationToken: A token for validating the origin of incoming webhooks.
/// SlackBotToken: A token for a bot to work on a single workspace.
/// SlackClientSigningSecret: The token used to validate that incoming webhooks are originated from Slack.
/// </remarks>
/// <param name="options">An instance of <see cref="SlackAdapterOptions"/>.</param>
/// <param name="logger">The ILogger implementation this adapter should use.</param>
public SlackAdapter(IConfiguration configuration, SlackAdapterOptions options = null, ILogger logger = null)
: this(new SlackClientWrapper(new SlackClientWrapperOptions(configuration["SlackVerificationToken"], configuration["SlackBotToken"], configuration["SlackClientSigningSecret"])), options, logger)
{
}