Omniauth::Gitlab

This is fork of omniauth-gitlab to support:

OmniAuth v1 and v2. OmniAuth v2 disables GET requests by default and defaults to POST. GitLab already has patched v1 to use POST, but other dependencies need to be updated: https://gitlab.com/gitlab-org/gitlab/-/issues/30073.
oauth2 v1.4.9 and up. v1.4.9 fixed relative URL handling.

However, this breaks the default GitLab.com configuration and existing configurations that use the /api/v4 suffix in the site parameter. omniauth-gitlab v4.0.0 fixed the first issue, but the second issue requires an admin to update site to drop the suffix.

This fork restores backwards compatibility that was removed in omniauth-gitlab v2.0.0: bb4cec2c9f

This is the OAuth2 strategy for authenticating to your GitLab service.

Requirements

Gitlab 7.7.0+

Installation

Add this line to your application's Gemfile:

gem 'omniauth-gitlab'

And then execute:

$ bundle

Or install it yourself as:

$ gem install omniauth-gitlab

Basic Usage

use OmniAuth::Builder do
  provider :gitlab, ENV['GITLAB_KEY'], ENV['GITLAB_SECRET']
end

Standalone Usage

use OmniAuth::Builder do
  provider :gitlab, ENV['GITLAB_KEY'], ENV['GITLAB_SECRET'],
    {
       client_options: {
         site: 'https://gitlab.YOURDOMAIN.com/api/v4'
       }
    }
end

Custom scopes

By default, the api scope is requested and must be allowed in GitLab's application configuration. To use different scopes:

use OmniAuth::Builder do
  provider :gitlab, ENV['GITLAB_KEY'], ENV['GITLAB_SECRET'], scope: 'read_user openid'
end

Requesting a scope that is not configured will result the error "The requested scope is invalid, unknown, or malformed.".

Old API version

API V3 will be unsupported from GitLab 9.5 and will be removed in GitLab 9.5 or later.

https://gitlab.com/help/api/v3_to_v4.md

If you use GitLab 9.0 and below you could configure V3 API:

use OmniAuth::Builder do
  provider :gitlab, ENV['GITLAB_KEY'], ENV['GITLAB_SECRET'],
    {
       client_options: {
         site: 'https://gitlab.YOURDOMAIN.com/api/v3'
       }
    }
end

Contributing

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

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