Omniauth::Slack

This Gem contains the Slack strategy for OmniAuth.

Gem Version

Before You Begin

You should have already installed OmniAuth into your app; if not, read the OmniAuth README to get started.

Now sign into the Slack application dashboard and create an application. Take note of your API keys.

Using This Strategy

First start by adding this gem to your Gemfile:

gem 'omniauth-slack'

If you need to use the latest HEAD version, you can do so with:

gem 'omniauth-slack', github: 'kmrshntr/omniauth-slack'

Next, tell OmniAuth about this provider. For a Rails app, your config/initializers/omniauth.rb file should look like this:

Rails.application.config.middleware.use OmniAuth::Builder do
  provider :slack, "API_KEY", "API_SECRET", scope: "client"
end

Replace "API_KEY" and "API_SECRET" with the appropriate values you obtained earlier.

If you are using Devise then it will look like this:

Devise.setup do |config|
  # other stuff...

  config.omniauth :slack, ENV["SLACK_APP_ID"], ENV["SLACK_APP_SECRET"], scope: 'client'

  # other stuff...
end

Slack lets you choose from a few different scopes.

Authentication Options

Team

If you don't pass a team param, the user will be allowed to choose which team they are authenticating against. Passing this param ensures the user will auth against an account on that particular team.

If you need to ensure that the users use the team whose team_id is 'XXXXXXXX', you can do so by passing :team option in your config/initializers/omniauth.rb like this:

Rails.application.config.middleware.use OmniAuth::Builder do
  provider :slack, "API_KEY", "API_SECRET", scope: "identify,read,post", team: 'XXXXXXXX'
end

Contributing

  1. Fork it
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request

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