143 lines
3.8 KiB
Ruby
143 lines
3.8 KiB
Ruby
# frozen_string_literal: true
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class SearchService
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include Gitlab::Allowable
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SEARCH_TERM_LIMIT = 64
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SEARCH_CHAR_LIMIT = 4096
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DEFAULT_PER_PAGE = Gitlab::SearchResults::DEFAULT_PER_PAGE
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MAX_PER_PAGE = 200
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def initialize(current_user, params = {})
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@current_user = current_user
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@params = params.dup
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end
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# rubocop: disable CodeReuse/ActiveRecord
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def project
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return @project if defined?(@project)
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@project =
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if params[:project_id].present?
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the_project = Project.find_by(id: params[:project_id])
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can?(current_user, :read_project, the_project) ? the_project : nil
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else
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nil
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end
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end
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# rubocop: enable CodeReuse/ActiveRecord
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# rubocop: disable CodeReuse/ActiveRecord
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def group
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return @group if defined?(@group)
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@group =
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if params[:group_id].present?
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the_group = Group.find_by(id: params[:group_id])
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can?(current_user, :read_group, the_group) ? the_group : nil
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else
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nil
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end
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end
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# rubocop: enable CodeReuse/ActiveRecord
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def show_snippets?
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return @show_snippets if defined?(@show_snippets)
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@show_snippets = params[:snippets] == 'true'
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end
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def valid_query_length?
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params[:search].length <= SEARCH_CHAR_LIMIT
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end
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def valid_terms_count?
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params[:search].split.count { |word| word.length >= 3 } <= SEARCH_TERM_LIMIT
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end
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delegate :scope, to: :search_service
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def search_results
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@search_results ||= search_service.execute
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end
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def search_objects(preload_method = nil)
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@search_objects ||= redact_unauthorized_results(
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search_results.objects(scope, page: page, per_page: per_page, preload_method: preload_method)
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)
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end
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def search_highlight
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search_results.highlight_map(scope)
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end
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private
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def page
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[1, params[:page].to_i].max
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end
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def per_page
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per_page_param = params[:per_page].to_i
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return DEFAULT_PER_PAGE unless per_page_param > 0
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[MAX_PER_PAGE, per_page_param].min
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end
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def visible_result?(object)
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return true unless object.respond_to?(:to_ability_name) && DeclarativePolicy.has_policy?(object)
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Ability.allowed?(current_user, :"read_#{object.to_ability_name}", object)
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end
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def redact_unauthorized_results(results_collection)
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redacted_results = results_collection.reject { |object| visible_result?(object) }
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if redacted_results.any?
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redacted_log = redacted_results.each_with_object({}) do |object, memo|
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memo[object.id] = { ability: :"read_#{object.to_ability_name}", id: object.id, class_name: object.class.name }
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end
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log_redacted_search_results(redacted_log.values)
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return results_collection.id_not_in(redacted_log.keys) if results_collection.is_a?(ActiveRecord::Relation)
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end
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return results_collection if results_collection.is_a?(ActiveRecord::Relation)
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permitted_results = results_collection - redacted_results
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Kaminari.paginate_array(
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permitted_results,
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total_count: results_collection.total_count,
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limit: results_collection.limit_value,
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offset: results_collection.offset_value
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)
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end
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def log_redacted_search_results(filtered_results)
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logger.error(message: "redacted_search_results", filtered: filtered_results, current_user_id: current_user&.id, query: params[:search])
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end
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def logger
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@logger ||= ::Gitlab::RedactedSearchResultsLogger.build
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end
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def search_service
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@search_service ||=
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if project
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Search::ProjectService.new(project, current_user, params)
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elsif show_snippets?
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Search::SnippetService.new(current_user, params)
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elsif group
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Search::GroupService.new(current_user, group, params)
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else
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Search::GlobalService.new(current_user, params)
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end
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end
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attr_reader :current_user, :params
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end
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SearchService.prepend_mod_with('SearchService')
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