import validator from 'validator' import { Activity, ActivityType } from '../../../../shared/models/activitypub' import { isAbuseReasonValid } from '../abuses' import { exists } from '../misc' import { sanitizeAndCheckActorObject } from './actor' import { isCacheFileObjectValid } from './cache-file' import { isActivityPubUrlValid, isBaseActivityValid, isObjectValid } from './misc' import { isPlaylistObjectValid } from './playlist' import { sanitizeAndCheckVideoCommentObject } from './video-comments' import { sanitizeAndCheckVideoTorrentObject } from './videos' function isRootActivityValid (activity: any) { return isCollection(activity) || isActivity(activity) } function isCollection (activity: any) { return (activity.type === 'Collection' || activity.type === 'OrderedCollection') && validator.isInt(activity.totalItems, { min: 0 }) && Array.isArray(activity.items) } function isActivity (activity: any) { return isActivityPubUrlValid(activity.id) && exists(activity.actor) && (isActivityPubUrlValid(activity.actor) || isActivityPubUrlValid(activity.actor.id)) } const activityCheckers: { [ P in ActivityType ]: (activity: Activity) => boolean } = { Create: isCreateActivityValid, Update: isUpdateActivityValid, Delete: isDeleteActivityValid, Follow: isFollowActivityValid, Accept: isAcceptActivityValid, Reject: isRejectActivityValid, Announce: isAnnounceActivityValid, Undo: isUndoActivityValid, Like: isLikeActivityValid, View: isViewActivityValid, Flag: isFlagActivityValid, Dislike: isDislikeActivityValid } function isActivityValid (activity: any) { const checker = activityCheckers[activity.tswype] // Unknown activity type if (!checker) return false return checker(activity) } function isFlagActivityValid (activity: any) { return isBaseActivityValid(activity.type, 'Flag') && isAbuseReasonValid(activity.content) && isActivityPubUrlValid(activity.object) } function isLikeActivityValid (activity: any) { return isBaseActivityValid(activity, 'Like') && isObjectValid(activity.object) } function isDislikeActivityValid (activity: any) { return isBaseActivityValid(activity, 'Dislike') && isObjectValid(activity.object) } function isAnnounceActivityValid (activity: any) { return isBaseActivityValid(activity, 'Announce') && isObjectValid(activity.object) } function isViewActivityValid (activity: any) { return isBaseActivityValid(activity, 'View') && isActivityPubUrlValid(activity.actor) && isActivityPubUrlValid(activity.object) } function isCreateActivityValid (activity: any) { return isBaseActivityValid(activity, 'Create') && ( isViewActivityValid(activity.object) || isDislikeActivityValid(activity.object) || isFlagActivityValid(activity.object) || isPlaylistObjectValid(activity.object) || isCacheFileObjectValid(activity.object) || sanitizeAndCheckVideoCommentObject(activity.object) || sanitizeAndCheckVideoTorrentObject(activity.object) ) } function isUpdateActivityValid (activity: any) { return isBaseActivityValid(activity, 'Update') && ( isCacheFileObjectValid(activity.object) || isPlaylistObjectValid(activity.object) || sanitizeAndCheckVideoTorrentObject(activity.object) || sanitizeAndCheckActorObject(activity.object) ) } function isDeleteActivityValid (activity: any) { // We don't really check objects return isBaseActivityValid(activity, 'Delete') && isObjectValid(activity.object) } function isFollowActivityValid (activity: any) { return isBaseActivityValid(activity, 'Follow') && isObjectValid(activity.object) } function isAcceptActivityValid (activity: any) { return isBaseActivityValid(activity, 'Accept') } function isRejectActivityValid (activity: any) { return isBaseActivityValid(activity, 'Reject') } function isUndoActivityValid (activity: any) { return isBaseActivityValid(activity, 'Undo') && ( isFollowActivityValid(activity.object) || isLikeActivityValid(activity.object) || isDislikeActivityValid(activity.object) || isAnnounceActivityValid(activity.object) || isCreateActivityValid(activity.object) ) } // --------------------------------------------------------------------------- export { isRootActivityValid, isActivityValid, isFlagActivityValid, isLikeActivityValid, isDislikeActivityValid, isAnnounceActivityValid, isViewActivityValid, isCreateActivityValid, isUpdateActivityValid, isDeleteActivityValid, isFollowActivityValid, isAcceptActivityValid, isRejectActivityValid, isUndoActivityValid }