116 lines
3.3 KiB
Ruby
116 lines
3.3 KiB
Ruby
# frozen_string_literal: true
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module ResourceAccessTokens
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class CreateService < BaseService
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def initialize(current_user, resource, params = {})
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@resource_type = resource.class.name.downcase
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@resource = resource
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@current_user = current_user
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@params = params.dup
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end
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def execute
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return error("User does not have permission to create #{resource_type} Access Token") unless has_permission_to_create?
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user = create_user
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return error(user.errors.full_messages.to_sentence) unless user.persisted?
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member = create_membership(resource, user)
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unless member.persisted?
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delete_failed_user(user)
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return error("Could not provision maintainer access to project access token")
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end
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token_response = create_personal_access_token(user)
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if token_response.success?
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success(token_response.payload[:personal_access_token])
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else
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delete_failed_user(user)
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error(token_response.message)
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end
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end
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private
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attr_reader :resource_type, :resource
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def has_permission_to_create?
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%w(project group).include?(resource_type) && can?(current_user, :admin_resource_access_tokens, resource)
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end
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def create_user
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# Even project maintainers can create project access tokens, which in turn
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# creates a bot user, and so it becomes necessary to have `skip_authorization: true`
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# since someone like a project maintainer does not inherently have the ability
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# to create a new user in the system.
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Users::CreateService.new(current_user, default_user_params).execute(skip_authorization: true)
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end
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def delete_failed_user(user)
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DeleteUserWorker.perform_async(current_user.id, user.id, hard_delete: true, skip_authorization: true)
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end
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def default_user_params
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{
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name: params[:name] || "#{resource.name.to_s.humanize} bot",
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email: generate_email,
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username: generate_username,
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user_type: "#{resource_type}_bot".to_sym,
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skip_confirmation: true # Bot users should always have their emails confirmed.
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}
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end
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def generate_username
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base_username = "#{resource_type}_#{resource.id}_bot"
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uniquify.string(base_username) { |s| User.find_by_username(s) }
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end
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def generate_email
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email_pattern = "#{resource_type}#{resource.id}_bot%s@example.com"
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uniquify.string(-> (n) { Kernel.sprintf(email_pattern, n) }) do |s|
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User.find_by_email(s)
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end
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end
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def uniquify
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Uniquify.new
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end
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def create_personal_access_token(user)
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PersonalAccessTokens::CreateService.new(
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current_user: user, target_user: user, params: personal_access_token_params
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).execute
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end
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def personal_access_token_params
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{
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name: params[:name] || "#{resource_type}_bot",
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impersonation: false,
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scopes: params[:scopes] || default_scopes,
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expires_at: params[:expires_at] || nil
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}
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end
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def default_scopes
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Gitlab::Auth.resource_bot_scopes
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end
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def create_membership(resource, user)
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resource.add_user(user, :maintainer, expires_at: params[:expires_at])
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end
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def error(message)
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ServiceResponse.error(message: message)
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end
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def success(access_token)
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ServiceResponse.success(payload: { access_token: access_token })
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end
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end
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end
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