68 lines
2 KiB
TypeScript
68 lines
2 KiB
TypeScript
import { buildDigest, signJsonLDObject } from '@server/helpers/peertube-crypto'
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import { ACTIVITY_PUB, HTTP_SIGNATURE } from '@server/initializers/constants'
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import { ActorModel } from '@server/models/actor/actor'
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import { getServerActor } from '@server/models/application/application'
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import { MActor } from '@server/types/models'
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import { ContextType } from '@shared/models/activitypub/context'
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import { activityPubContextify } from '../context'
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type Payload <T> = { body: T, contextType: ContextType, signatureActorId?: number }
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async function computeBody <T> (
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payload: Payload<T>
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): Promise<T | T & { type: 'RsaSignature2017', creator: string, created: string }> {
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let body = payload.body
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if (payload.signatureActorId) {
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const actorSignature = await ActorModel.load(payload.signatureActorId)
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if (!actorSignature) throw new Error('Unknown signature actor id.')
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body = await signAndContextify(actorSignature, payload.body, payload.contextType)
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}
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return body
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}
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async function buildSignedRequestOptions (payload: Payload<any>) {
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let actor: MActor | null
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if (payload.signatureActorId) {
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actor = await ActorModel.load(payload.signatureActorId)
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if (!actor) throw new Error('Unknown signature actor id.')
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} else {
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// We need to sign the request, so use the server
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actor = await getServerActor()
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}
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const keyId = actor.url
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return {
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algorithm: HTTP_SIGNATURE.ALGORITHM,
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authorizationHeaderName: HTTP_SIGNATURE.HEADER_NAME,
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keyId,
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key: actor.privateKey,
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headers: HTTP_SIGNATURE.HEADERS_TO_SIGN
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}
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}
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function buildGlobalHeaders (body: any) {
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return {
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'digest': buildDigest(body),
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'content-type': 'application/activity+json',
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'accept': ACTIVITY_PUB.ACCEPT_HEADER
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}
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}
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function signAndContextify <T> (byActor: MActor, data: T, contextType: ContextType | null) {
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const activity = contextType
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? activityPubContextify(data, contextType)
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: data
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return signJsonLDObject(byActor, activity)
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}
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export {
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buildGlobalHeaders,
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computeBody,
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buildSignedRequestOptions,
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signAndContextify
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}
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