53 lines
1.4 KiB
TypeScript
53 lines
1.4 KiB
TypeScript
import { buildSignedActivity } 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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type Payload = { body: any, 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)
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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: ActorModel | 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.getWebfingerUrl()
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return {
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algorithm: 'rsa-sha256',
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authorizationHeaderName: 'Signature',
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keyId,
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key: actor.privateKey,
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headers: [ 'date', 'host', 'digest', '(request-target)' ]
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}
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}
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function buildGlobalHeaders (body: object) {
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const digest = 'SHA-256=' + sha256(JSON.stringify(body), 'base64')
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return {
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'Digest': digest
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}
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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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}
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