1 files changed, 36 insertions, 0 deletions
diff --git a/config/initializers/doorkeeper_openid_connect.rb b/config/initializers/doorkeeper_openid_connect.rb
new file mode 100644
index 00000000000..700ca25b884
--- /dev/null
+++ b/config/initializers/doorkeeper_openid_connect.rb
@@ -0,0 +1,36 @@
+Doorkeeper::OpenidConnect.configure do
+  issuer Gitlab.config.gitlab.url
+
+  jws_private_key Rails.application.secrets.jws_private_key
+
+  resource_owner_from_access_token do |access_token|
+    User.active.find_by(id: access_token.resource_owner_id)
+  end
+
+  auth_time_from_resource_owner do |user|
+    user.current_sign_in_at
+  end
+
+  reauthenticate_resource_owner do |user, return_to|
+    store_location_for user, return_to
+    sign_out user
+    redirect_to new_user_session_url
+  end
+
+  subject do |user|
+    # hash the user's ID with the Rails secret_key_base to avoid revealing it
+    Digest::SHA256.hexdigest "#{user.id}-#{Rails.application.secrets.secret_key_base}"
+  end
+
+  claims do
+    with_options scope: :openid do |o|
+      o.claim(:name)           { |user| user.name }
+      o.claim(:nickname)       { |user| user.username }
+      o.claim(:email)          { |user| user.public_email  }
+      o.claim(:email_verified) { |user| true if user.public_email? }
+      o.claim(:website)        { |user| user.full_website_url if user.website_url? }
+      o.claim(:profile)        { |user| Rails.application.routes.url_helpers.user_url user }
+      o.claim(:picture)        { |user| user.avatar_url }
+    end
+  end
+end