139 lines
4.2 KiB
TypeScript
139 lines
4.2 KiB
TypeScript
import * as validator from 'validator'
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import { Activity, ActivityType } from '../../../../shared/models/activitypub'
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import { sanitizeAndCheckActorObject } from './actor'
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import { isActivityPubUrlValid, isBaseActivityValid, isObjectValid } from './misc'
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import { isDislikeActivityValid } from './rate'
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import { sanitizeAndCheckVideoCommentObject } from './video-comments'
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import { sanitizeAndCheckVideoTorrentObject } from './videos'
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import { isViewActivityValid } from './view'
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import { exists } from '../misc'
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import { isCacheFileObjectValid } from './cache-file'
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import { isFlagActivityValid } from './flag'
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import { isPlaylistObjectValid } from './playlist'
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function isRootActivityValid (activity: any) {
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return Array.isArray(activity['@context']) && (
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(
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(activity.type === 'Collection' || activity.type === 'OrderedCollection') &&
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validator.isInt(activity.totalItems, { min: 0 }) &&
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Array.isArray(activity.items)
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) ||
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(
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isActivityPubUrlValid(activity.id) &&
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exists(activity.actor) &&
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(isActivityPubUrlValid(activity.actor) || isActivityPubUrlValid(activity.actor.id))
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)
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)
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}
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const activityCheckers: { [ P in ActivityType ]: (activity: Activity) => boolean } = {
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Create: checkCreateActivity,
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Update: checkUpdateActivity,
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Delete: checkDeleteActivity,
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Follow: checkFollowActivity,
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Accept: checkAcceptActivity,
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Reject: checkRejectActivity,
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Announce: checkAnnounceActivity,
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Undo: checkUndoActivity,
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Like: checkLikeActivity,
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View: checkViewActivity,
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Flag: checkFlagActivity,
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Dislike: checkDislikeActivity
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}
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function isActivityValid (activity: any) {
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const checker = activityCheckers[activity.type]
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// Unknown activity type
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if (!checker) return false
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return checker(activity)
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}
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// ---------------------------------------------------------------------------
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export {
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isRootActivityValid,
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isActivityValid
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}
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// ---------------------------------------------------------------------------
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function checkViewActivity (activity: any) {
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return isBaseActivityValid(activity, 'View') &&
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isViewActivityValid(activity)
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}
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function checkFlagActivity (activity: any) {
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return isBaseActivityValid(activity, 'Flag') &&
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isFlagActivityValid(activity)
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}
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function checkDislikeActivity (activity: any) {
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return isBaseActivityValid(activity, 'Dislike') &&
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isDislikeActivityValid(activity)
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}
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function checkCreateActivity (activity: any) {
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return isBaseActivityValid(activity, 'Create') &&
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(
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isViewActivityValid(activity.object) ||
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isDislikeActivityValid(activity.object) ||
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isFlagActivityValid(activity.object) ||
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isPlaylistObjectValid(activity.object) ||
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isCacheFileObjectValid(activity.object) ||
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sanitizeAndCheckVideoCommentObject(activity.object) ||
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sanitizeAndCheckVideoTorrentObject(activity.object)
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)
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}
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function checkUpdateActivity (activity: any) {
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return isBaseActivityValid(activity, 'Update') &&
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(
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isCacheFileObjectValid(activity.object) ||
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isPlaylistObjectValid(activity.object) ||
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sanitizeAndCheckVideoTorrentObject(activity.object) ||
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sanitizeAndCheckActorObject(activity.object)
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)
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}
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function checkDeleteActivity (activity: any) {
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// We don't really check objects
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return isBaseActivityValid(activity, 'Delete') &&
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isObjectValid(activity.object)
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}
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function checkFollowActivity (activity: any) {
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return isBaseActivityValid(activity, 'Follow') &&
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isObjectValid(activity.object)
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}
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function checkAcceptActivity (activity: any) {
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return isBaseActivityValid(activity, 'Accept')
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}
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function checkRejectActivity (activity: any) {
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return isBaseActivityValid(activity, 'Reject')
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}
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function checkAnnounceActivity (activity: any) {
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return isBaseActivityValid(activity, 'Announce') &&
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isObjectValid(activity.object)
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}
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function checkUndoActivity (activity: any) {
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return isBaseActivityValid(activity, 'Undo') &&
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(
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checkFollowActivity(activity.object) ||
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checkLikeActivity(activity.object) ||
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checkDislikeActivity(activity.object) ||
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checkAnnounceActivity(activity.object) ||
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checkCreateActivity(activity.object)
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)
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}
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function checkLikeActivity (activity: any) {
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return isBaseActivityValid(activity, 'Like') &&
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isObjectValid(activity.object)
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}
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