151 lines
4 KiB
Ruby
151 lines
4 KiB
Ruby
# frozen_string_literal: true
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class AuditEventService
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include AuditEventSaveType
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# Instantiates a new service
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#
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# @param [User, token String] author the entity who authors the change
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# @param [User, Project, Group] entity the scope which audit event belongs to
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# This param is also used to determine the visibility of the audit event.
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# - Project: events are visible at Project and Instance level
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# - Group: events are visible at Group and Instance level
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# - User: events are visible at Instance level
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# @param [Hash] details extra data of audit event
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# @param [Symbol] save_type the type to save the event
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# Can be selected from the following, :database, :stream, :database_and_stream .
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# @params [DateTime] created_at the time the action occured
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#
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# @return [AuditEventService]
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def initialize(author, entity, details = {}, save_type = :database_and_stream, created_at = DateTime.current)
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@author = build_author(author)
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@entity = entity
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@details = details
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@ip_address = resolve_ip_address(@author)
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@save_type = save_type
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@created_at = created_at
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end
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# Builds the @details attribute for authentication
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#
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# This uses the @author as the target object being audited
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#
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# @return [AuditEventService]
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def for_authentication
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mark_as_authentication_event!
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@details = {
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with: @details[:with],
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target_id: @author.id,
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target_type: 'User',
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target_details: @author.name
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}
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self
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end
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# Writes event to a file and creates an event record in DB
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#
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# @return [AuditEvent] persisted if saves and non-persisted if fails
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def security_event
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log_security_event_to_file
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log_authentication_event_to_database
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log_security_event_to_database
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end
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# Writes event to a file
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def log_security_event_to_file
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file_logger.info(base_payload.merge(formatted_details))
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end
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private
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attr_reader :ip_address
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def build_author(author)
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case author
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when User
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author.impersonated? ? Gitlab::Audit::ImpersonatedAuthor.new(author) : author
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else
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Gitlab::Audit::UnauthenticatedAuthor.new(name: author)
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end
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end
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def resolve_ip_address(author)
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Gitlab::RequestContext.instance.client_ip ||
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author.current_sign_in_ip
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end
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def base_payload
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{
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author_id: @author.id,
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author_name: @author.name,
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entity_id: @entity.id,
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entity_type: @entity.class.name,
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created_at: @created_at
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}
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end
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def authentication_event_payload
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{
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# @author can be a User or various Gitlab::Audit authors.
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# Only capture real users for successful authentication events.
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user: author_if_user,
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user_name: @author.name,
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ip_address: ip_address,
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result: AuthenticationEvent.results[:success],
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provider: @details[:with]
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}
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end
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def author_if_user
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@author if @author.is_a?(User)
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end
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def file_logger
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@file_logger ||= Gitlab::AuditJsonLogger.build
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end
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def formatted_details
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@details.merge(@details.slice(:from, :to).transform_values(&:to_s))
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end
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def mark_as_authentication_event!
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@authentication_event = true
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end
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def authentication_event?
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@authentication_event
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end
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def log_security_event_to_database
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return if Gitlab::Database.read_only?
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event = AuditEvent.new(base_payload.merge(details: @details))
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save_or_track event
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event
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end
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def stream_event_to_external_destinations(_event)
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# Defined in EE
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end
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def log_authentication_event_to_database
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return unless Gitlab::Database.read_write? && authentication_event?
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event = AuthenticationEvent.new(authentication_event_payload)
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save_or_track event
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event
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end
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def save_or_track(event)
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event.save! if should_save_database?(@save_type)
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stream_event_to_external_destinations(event) if should_save_stream?(@save_type)
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rescue StandardError => e
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Gitlab::ErrorTracking.track_and_raise_for_dev_exception(e, audit_event_type: event.class.to_s)
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end
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end
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AuditEventService.prepend_mod_with('AuditEventService')
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