mirror of https://github.com/Chocobozzz/PeerTube
				
				
				
			
		
			
				
	
	
		
			69 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			TypeScript
		
	
	
			
		
		
	
	
			69 lines
		
	
	
		
			2.0 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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| 
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| type Payload <T> = { body: T, contextType: ContextType, signatureActorId?: number }
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| 
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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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| 
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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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| 
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|     body = await signAndContextify(actorSignature, payload.body, payload.contextType)
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|   }
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| 
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|   return body
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| }
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|   return signJsonLDObject(byActor, activity)
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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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|   signAndContextify
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| }
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