import * as validator from 'validator' import { Activity, ActivityType } from '../../../../shared/models/activitypub' import { isActorAcceptActivityValid, isActorDeleteActivityValid, isActorFollowActivityValid, isActorUpdateActivityValid } from './actor' import { isAnnounceActivityValid } from './announce' import { isActivityPubUrlValid } from './misc' import { isDislikeActivityValid, isLikeActivityValid } from './rate' import { isUndoActivityValid } from './undo' import { isVideoCommentCreateActivityValid, isVideoCommentDeleteActivityValid } from './video-comments' import { isVideoFlagValid, isVideoTorrentCreateActivityValid, isVideoTorrentDeleteActivityValid, isVideoTorrentUpdateActivityValid } from './videos' import { isViewActivityValid } from './view' function isRootActivityValid (activity: any) { return Array.isArray(activity['@context']) && ( (activity.type === 'Collection' || activity.type === 'OrderedCollection') && validator.isInt(activity.totalItems, { min: 0 }) && Array.isArray(activity.items) ) || ( isActivityPubUrlValid(activity.id) && isActivityPubUrlValid(activity.actor) ) } const activityCheckers: { [ P in ActivityType ]: (activity: Activity) => boolean } = { Create: checkCreateActivity, Update: checkUpdateActivity, Delete: checkDeleteActivity, Follow: checkFollowActivity, Accept: checkAcceptActivity, Announce: checkAnnounceActivity, Undo: checkUndoActivity, Like: checkLikeActivity } function isActivityValid (activity: any) { const checker = activityCheckers[activity.type] // Unknown activity type if (!checker) return false return checker(activity) } // --------------------------------------------------------------------------- export { isRootActivityValid, isActivityValid } // --------------------------------------------------------------------------- function checkCreateActivity (activity: any) { return isViewActivityValid(activity) || isDislikeActivityValid(activity) || isVideoTorrentCreateActivityValid(activity) || isVideoFlagValid(activity) || isVideoCommentCreateActivityValid(activity) } function checkUpdateActivity (activity: any) { return isVideoTorrentUpdateActivityValid(activity) || isActorUpdateActivityValid(activity) } function checkDeleteActivity (activity: any) { return isVideoTorrentDeleteActivityValid(activity) || isActorDeleteActivityValid(activity) || isVideoCommentDeleteActivityValid(activity) } function checkFollowActivity (activity: any) { return isActorFollowActivityValid(activity) } function checkAcceptActivity (activity: any) { return isActorAcceptActivityValid(activity) } function checkAnnounceActivity (activity: any) { return isAnnounceActivityValid(activity) } function checkUndoActivity (activity: any) { return isUndoActivityValid(activity) } function checkLikeActivity (activity: any) { return isLikeActivityValid(activity) }