gitlab-org--gitlab-foss/lib/api/ci/triggers.rb

# frozen_string_literal: true

module API
  module Ci
    class Triggers < ::API::Base
      include PaginationParams

      HTTP_GITLAB_EVENT_HEADER = "HTTP_#{::Gitlab::WebHooks::GITLAB_EVENT_HEADER}".underscore.upcase

      feature_category :continuous_integration
      urgency :low

      params do
        requires :id, types: [String, Integer], desc: 'The ID or URL-encoded path of the project'
      end
      resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
        desc 'Trigger a GitLab project pipeline' do
          success Entities::Ci::Pipeline
        end
        params do
          requires :ref, type: String, desc: 'The commit sha or name of a branch or tag', allow_blank: false
          requires :token, type: String, desc: 'The unique token of trigger or job token'
          optional :variables, type: Hash, desc: 'The list of variables to be injected into build',
                               documentation: { type: Object, additional_properties: String }
        end
        post ":id/(ref/:ref/)trigger/pipeline", requirements: { ref: /.+/ } do
          Gitlab::QueryLimiting.disable!('https://gitlab.com/gitlab-org/gitlab/-/issues/20758')

          forbidden! if gitlab_pipeline_hook_request?

          # validate variables
          params[:variables] = params[:variables].to_h
          unless params[:variables].all? { |key, value| key.is_a?(String) && value.is_a?(String) }
            render_api_error!('variables needs to be a map of key-valued strings', 400)
          end

          project = find_project(params[:id])
          not_found! unless project

          result = ::Ci::PipelineTriggerService.new(project, nil, params).execute
          not_found! unless result

          if result.error?
            render_api_error!(result[:message], result[:http_status])
          else
            present result[:pipeline], with: Entities::Ci::Pipeline
          end
        end

        desc 'Get triggers list' do
          success Entities::Trigger
        end
        params do
          use :pagination
        end
        # rubocop: disable CodeReuse/ActiveRecord
        get ':id/triggers' do
          authenticate!
          authorize! :admin_build, user_project

          triggers = user_project.triggers.includes(:trigger_requests)

          present paginate(triggers), with: Entities::Trigger, current_user: current_user
        end
        # rubocop: enable CodeReuse/ActiveRecord

        desc 'Get specific trigger of a project' do
          success Entities::Trigger
        end
        params do
          requires :trigger_id, type: Integer, desc: 'The trigger ID'
        end
        get ':id/triggers/:trigger_id' do
          authenticate!
          authorize! :admin_build, user_project

          trigger = user_project.triggers.find(params.delete(:trigger_id))
          break not_found!('Trigger') unless trigger

          present trigger, with: Entities::Trigger, current_user: current_user
        end

        desc 'Create a trigger' do
          success Entities::Trigger
        end
        params do
          requires :description, type: String, desc: 'The trigger description'
        end
        post ':id/triggers' do
          authenticate!
          authorize! :admin_build, user_project

          trigger = user_project.triggers.create(
            declared_params(include_missing: false).merge(owner: current_user))

          if trigger.valid?
            present trigger, with: Entities::Trigger, current_user: current_user
          else
            render_validation_error!(trigger)
          end
        end

        desc 'Update a trigger' do
          success Entities::Trigger
        end
        params do
          requires :trigger_id, type: Integer,  desc: 'The trigger ID'
          optional :description, type: String,  desc: 'The trigger description'
        end
        put ':id/triggers/:trigger_id' do
          authenticate!
          authorize! :admin_build, user_project

          trigger = user_project.triggers.find(params.delete(:trigger_id))
          break not_found!('Trigger') unless trigger

          authorize! :admin_trigger, trigger

          if trigger.update(declared_params(include_missing: false))
            present trigger, with: Entities::Trigger, current_user: current_user
          else
            render_validation_error!(trigger)
          end
        end

        desc 'Delete a trigger' do
          success Entities::Trigger
        end
        params do
          requires :trigger_id, type: Integer, desc: 'The trigger ID'
        end
        delete ':id/triggers/:trigger_id' do
          authenticate!
          authorize! :admin_build, user_project

          trigger = user_project.triggers.find(params.delete(:trigger_id))
          break not_found!('Trigger') unless trigger

          destroy_conditionally!(trigger)
        end
      end

      helpers do
        def gitlab_pipeline_hook_request?
          request.get_header(HTTP_GITLAB_EVENT_HEADER) == WebHookService.hook_to_event(:pipeline_hooks)
        end
      end
    end
  end
end