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peertube/server/helpers/custom-validators/activitypub/videos.ts
2017-12-08 17:31:21 +01:00

129 lines
4 KiB
TypeScript

import * as validator from 'validator'
import { ACTIVITY_PUB } from '../../../initializers'
import { exists, isDateValid, isUUIDValid } from '../misc'
import {
isVideoAbuseReasonValid,
isVideoDurationValid,
isVideoNameValid,
isVideoNSFWValid,
isVideoTagValid,
isVideoTruncatedDescriptionValid,
isVideoViewsValid
} from '../videos'
import { isActivityPubUrlValid, isBaseActivityValid } from './misc'
function isVideoTorrentAddActivityValid (activity: any) {
return isBaseActivityValid(activity, 'Add') &&
isVideoTorrentObjectValid(activity.object)
}
function isVideoTorrentUpdateActivityValid (activity: any) {
return isBaseActivityValid(activity, 'Update') &&
isVideoTorrentObjectValid(activity.object)
}
function isVideoTorrentDeleteActivityValid (activity: any) {
return isBaseActivityValid(activity, 'Delete')
}
function isVideoFlagValid (activity: any) {
return isBaseActivityValid(activity, 'Create') &&
activity.object.type === 'Flag' &&
isVideoAbuseReasonValid(activity.object.content) &&
isActivityPubUrlValid(activity.object.object)
}
function isActivityPubVideoDurationValid (value: string) {
// https://www.w3.org/TR/activitystreams-vocabulary/#dfn-duration
return exists(value) &&
typeof value === 'string' &&
value.startsWith('PT') &&
value.endsWith('S') &&
isVideoDurationValid(value.replace(/[^0-9]+/g, ''))
}
function isVideoTorrentObjectValid (video: any) {
return video.type === 'Video' &&
isActivityPubUrlValid(video.id) &&
isVideoNameValid(video.name) &&
isActivityPubVideoDurationValid(video.duration) &&
isUUIDValid(video.uuid) &&
setValidRemoteTags(video) &&
(!video.category || isRemoteIdentifierValid(video.category)) &&
(!video.licence || isRemoteIdentifierValid(video.licence)) &&
(!video.language || isRemoteIdentifierValid(video.language)) &&
isVideoViewsValid(video.views) &&
isVideoNSFWValid(video.nsfw) &&
isDateValid(video.published) &&
isDateValid(video.updated) &&
(!video.content || isRemoteVideoContentValid(video.mediaType, video.content)) &&
isRemoteVideoIconValid(video.icon) &&
setValidRemoteVideoUrls(video) &&
video.url.length !== 0
}
// ---------------------------------------------------------------------------
export {
isVideoTorrentAddActivityValid,
isVideoTorrentUpdateActivityValid,
isVideoTorrentDeleteActivityValid,
isVideoFlagValid
}
// ---------------------------------------------------------------------------
function setValidRemoteTags (video: any) {
if (Array.isArray(video.tag) === false) return false
video.tag = video.tag.filter(t => {
return t.type === 'Hashtag' &&
isVideoTagValid(t.name)
})
return true
}
function isRemoteIdentifierValid (data: any) {
return validator.isInt(data.identifier, { min: 0 })
}
function isRemoteVideoContentValid (mediaType: string, content: string) {
return mediaType === 'text/markdown' && isVideoTruncatedDescriptionValid(content)
}
function isRemoteVideoIconValid (icon: any) {
return icon.type === 'Image' &&
isActivityPubUrlValid(icon.url) &&
icon.mediaType === 'image/jpeg' &&
validator.isInt(icon.width + '', { min: 0 }) &&
validator.isInt(icon.height + '', { min: 0 })
}
function setValidRemoteVideoUrls (video: any) {
if (Array.isArray(video.url) === false) return false
video.url = video.url.filter(u => isRemoteVideoUrlValid(u))
return true
}
function isRemoteVideoUrlValid (url: any) {
return url.type === 'Link' &&
(
ACTIVITY_PUB.URL_MIME_TYPES.VIDEO.indexOf(url.mimeType) !== -1 &&
isActivityPubUrlValid(url.url) &&
validator.isInt(url.width + '', { min: 0 }) &&
validator.isInt(url.size + '', { min: 0 })
) ||
(
ACTIVITY_PUB.URL_MIME_TYPES.TORRENT.indexOf(url.mimeType) !== -1 &&
isActivityPubUrlValid(url.url) &&
validator.isInt(url.width + '', { min: 0 })
) ||
(
ACTIVITY_PUB.URL_MIME_TYPES.MAGNET.indexOf(url.mimeType) !== -1 &&
validator.isLength(url.url, { min: 5 }) &&
validator.isInt(url.width + '', { min: 0 })
)
}