63 lines
1.8 KiB
TypeScript
63 lines
1.8 KiB
TypeScript
import { buildSignedActivity, ContextType } from '../../../../helpers/activitypub'
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import { getServerActor } from '../../../../helpers/utils'
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import { ActorModel } from '../../../../models/activitypub/actor'
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import { sha256 } from '../../../../helpers/core-utils'
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import { ACTIVITY_PUB, HTTP_SIGNATURE } from '../../../../initializers/constants'
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import { MActor } from '../../../../typings/models'
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type Payload = { body: any, contextType?: ContextType, signatureActorId?: number }
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async function computeBody (payload: Payload) {
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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 buildSignedActivity(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) {
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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 buildDigest (body: any) {
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const rawBody = typeof body === 'string' ? body : JSON.stringify(body)
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return 'SHA-256=' + sha256(rawBody, 'base64')
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}
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export {
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buildDigest,
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buildGlobalHeaders,
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computeBody,
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buildSignedRequestOptions
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}
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