PeerTube/server/helpers/custom-validators/activitypub/misc.ts

76 lines
2.0 KiB
TypeScript

import validator from 'validator'
import { CONFIG } from '@server/initializers/config'
import { CONSTRAINTS_FIELDS } from '../../../initializers/constants'
import { exists } from '../misc'
function isUrlValid (url: string) {
const isURLOptions = {
require_host: true,
require_tld: true,
require_protocol: true,
require_valid_protocol: true,
protocols: [ 'http', 'https' ]
}
// We validate 'localhost', so we don't have the top level domain
if (CONFIG.WEBSERVER.HOSTNAME === 'localhost' || CONFIG.WEBSERVER.HOSTNAME === '127.0.0.1') {
isURLOptions.require_tld = false
}
return exists(url) && validator.isURL('' + url, isURLOptions)
}
function isActivityPubUrlValid (url: string) {
return isUrlValid(url) && validator.isLength('' + url, CONSTRAINTS_FIELDS.ACTORS.URL)
}
function isBaseActivityValid (activity: any, type: string) {
return activity.type === type &&
isActivityPubUrlValid(activity.id) &&
isObjectValid(activity.actor) &&
isUrlCollectionValid(activity.to) &&
isUrlCollectionValid(activity.cc)
}
function isUrlCollectionValid (collection: any) {
return collection === undefined ||
(Array.isArray(collection) && collection.every(t => isActivityPubUrlValid(t)))
}
function isObjectValid (object: any) {
return exists(object) &&
(
isActivityPubUrlValid(object) || isActivityPubUrlValid(object.id)
)
}
function setValidAttributedTo (obj: any) {
if (Array.isArray(obj.attributedTo) === false) {
obj.attributedTo = []
return true
}
obj.attributedTo = obj.attributedTo.filter(a => {
return (a.type === 'Group' || a.type === 'Person') && isActivityPubUrlValid(a.id)
})
return true
}
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')
}
export {
isUrlValid,
isActivityPubUrlValid,
isBaseActivityValid,
setValidAttributedTo,
isObjectValid,
isActivityPubVideoDurationValid
}