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import * as validator from 'validator'
import { Activity, ActivityType } from '../../../../shared/models/activitypub'
import { isActorAcceptActivityValid, isActorDeleteActivityValid, isActorFollowActivityValid } from './actor'
import { isAnnounceActivityValid } from './announce'
import { isActivityPubUrlValid } from './misc'
import { isDislikeActivityValid, isLikeActivityValid } from './rate'
import { isUndoActivityValid } from './undo'
import { isVideoChannelDeleteActivityValid, isVideoChannelUpdateActivityValid } from './video-channels'
import { isVideoCommentCreateActivityValid } 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) ||
isVideoChannelUpdateActivityValid(activity)
}
function checkDeleteActivity (activity: any) {
return isVideoTorrentDeleteActivityValid(activity) ||
isVideoChannelDeleteActivityValid(activity) ||
isActorDeleteActivityValid(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)
}
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