Package slack implements the OAuth2 protocol for authenticating users through slack. This package can be used as a reference implementation of an OAuth2 provider for Goth.
Provider is the implementation of `goth.Provider` for accessing Slack.
New creates a new Slack provider and sets up important connection details. You should always call `slack.New` to get a new provider. Never try to create one manually.
BeginAuth asks Slack for an authentication end-point.
Debug is a no-op for the slack package.
FetchUser will go to Slack and access basic information about the user.
Name is the name used to retrieve this provider later.
RefreshToken get new access token based on the refresh token
RefreshTokenAvailable refresh token is provided by auth provider or not
SetName is to update the name of the provider (needed in case of multiple providers of 1 type)
UnmarshalSession wil unmarshal a JSON string into a session.
Session stores data during the auth process with Slack.
Authorize the session with Slack and return the access token to be stored for future use.
GetAuthURL will return the URL set by calling the `BeginAuth` function on the Slack provider.
Marshal the session into a string