PeerTube/server/lib/activitypub/actors/refresh.ts

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import { logger, loggerTagsFactory } from '@server/helpers/logger'
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import { PromiseCache } from '@server/helpers/promise-cache'
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import { PeerTubeRequestError } from '@server/helpers/requests'
import { ActorLoadByUrlType } from '@server/lib/model-loaders'
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import { ActorModel } from '@server/models/actor/actor'
import { MActorAccountChannelId, MActorFull } from '@server/types/models'
import { HttpStatusCode } from '@shared/core-utils'
import { fetchRemoteActor } from './shared'
import { APActorUpdater } from './updater'
import { getUrlFromWebfinger } from './webfinger'
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type RefreshResult <T> = Promise<{ actor: T | MActorFull, refreshed: boolean }>
type RefreshOptions <T> = {
actor: T
fetchedType: ActorLoadByUrlType
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}
const promiseCache = new PromiseCache(doRefresh, (options: RefreshOptions<MActorFull | MActorAccountChannelId>) => options.actor.url)
function refreshActorIfNeeded <T extends MActorFull | MActorAccountChannelId> (options: RefreshOptions<T>): RefreshResult <T> {
const actorArg = options.actor
if (!actorArg.isOutdated()) return Promise.resolve({ actor: actorArg, refreshed: false })
return promiseCache.run(options)
}
export {
refreshActorIfNeeded
}
// ---------------------------------------------------------------------------
async function doRefresh <T extends MActorFull | MActorAccountChannelId> (options: RefreshOptions<T>): RefreshResult <MActorFull> {
const { actor: actorArg, fetchedType } = options
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// We need more attributes
const actor = fetchedType === 'all'
? actorArg as MActorFull
: await ActorModel.loadByUrlAndPopulateAccountAndChannel(actorArg.url)
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const lTags = loggerTagsFactory('ap', 'actor', 'refresh', actor.url)
logger.info('Refreshing actor %s.', actor.url, lTags())
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try {
const actorUrl = await getActorUrl(actor)
const { actorObject } = await fetchRemoteActor(actorUrl)
if (actorObject === undefined) {
logger.warn('Cannot fetch remote actor in refresh actor.')
return { actor, refreshed: false }
}
const updater = new APActorUpdater(actorObject, actor)
await updater.update()
return { refreshed: true, actor }
} catch (err) {
if ((err as PeerTubeRequestError).statusCode === HttpStatusCode.NOT_FOUND_404) {
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logger.info('Deleting actor %s because there is a 404 in refresh actor.', actor.url, lTags())
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actor.Account
? await actor.Account.destroy()
: await actor.VideoChannel.destroy()
return { actor: undefined, refreshed: false }
}
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logger.warn('Cannot refresh actor %s.', actor.url, { err, ...lTags() })
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return { actor, refreshed: false }
}
}
function getActorUrl (actor: MActorFull) {
return getUrlFromWebfinger(actor.preferredUsername + '@' + actor.getHost())
.catch(err => {
logger.warn('Cannot get actor URL from webfinger, keeping the old one.', err)
return actor.url
})
}