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import { JobCategory } from '../../../../shared'
import { buildSignedActivity } from '../../../helpers/activitypub'
import { logger } from '../../../helpers/logger'
import { getServerActor } from '../../../helpers/utils'
import { ACTIVITY_PUB } from '../../../initializers'
import { ActorModel } from '../../../models/activitypub/actor'
import { ActorFollowModel } from '../../../models/activitypub/actor-follow'
import { JobHandler, JobScheduler } from '../job-scheduler'
import * as activitypubHttpBroadcastHandler from './activitypub-http-broadcast-handler'
import * as activitypubHttpFetcherHandler from './activitypub-http-fetcher-handler'
import * as activitypubHttpUnicastHandler from './activitypub-http-unicast-handler'
type ActivityPubHttpPayload = {
uris: string[]
signatureActorId?: number
body?: any
attemptNumber?: number
}
const jobHandlers: { [ handlerName: string ]: JobHandler<ActivityPubHttpPayload, void> } = {
activitypubHttpBroadcastHandler,
activitypubHttpUnicastHandler,
activitypubHttpFetcherHandler
}
const jobCategory: JobCategory = 'activitypub-http'
const activitypubHttpJobScheduler = new JobScheduler(jobCategory, jobHandlers)
async function maybeRetryRequestLater (err: Error, payload: ActivityPubHttpPayload, uri: string) {
logger.warn('Cannot make request to %s.', uri, err)
let attemptNumber = payload.attemptNumber || 1
attemptNumber += 1
if (attemptNumber < ACTIVITY_PUB.MAX_HTTP_ATTEMPT) {
logger.debug('Retrying request to %s (attempt %d/%d).', uri, attemptNumber, ACTIVITY_PUB.MAX_HTTP_ATTEMPT, err)
const newPayload = Object.assign(payload, {
uris: [ uri ],
attemptNumber
})
await activitypubHttpJobScheduler.createJob(undefined, 'activitypubHttpUnicastHandler', newPayload)
return true
}
return false
}
async function computeBody (payload: ActivityPubHttpPayload) {
let body = payload.body
if (payload.signatureActorId) {
const actorSignature = await ActorModel.load(payload.signatureActorId)
if (!actorSignature) throw new Error('Unknown signature actor id.')
body = await buildSignedActivity(actorSignature, payload.body)
}
return body
}
async function buildSignedRequestOptions (payload: ActivityPubHttpPayload) {
let actor: ActorModel
if (payload.signatureActorId) {
actor = await ActorModel.load(payload.signatureActorId)
if (!actor) throw new Error('Unknown signature actor id.')
} else {
// We need to sign the request, so use the server
actor = await getServerActor()
}
const keyId = actor.getWebfingerUrl()
return {
algorithm: 'rsa-sha256',
authorizationHeaderName: 'Signature',
keyId,
key: actor.privateKey
}
}
export {
ActivityPubHttpPayload,
activitypubHttpJobScheduler,
maybeRetryRequestLater,
computeBody,
buildSignedRequestOptions
}
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