kopia lustrzana https://github.com/cloudflare/wildebeest
				
				
				
			
		
			
				
	
	
		
			67 wiersze
		
	
	
		
			2.7 KiB
		
	
	
	
		
			TypeScript
		
	
	
			
		
		
	
	
			67 wiersze
		
	
	
		
			2.7 KiB
		
	
	
	
		
			TypeScript
		
	
	
// https://docs.joinmastodon.org/methods/statuses/#boost
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import type { Queue, DeliverMessageBody } from 'wildebeest/backend/src/types/queue'
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import { cors } from 'wildebeest/backend/src/utils/cors'
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import type { Env } from 'wildebeest/backend/src/types/env'
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import { createReblog } from 'wildebeest/backend/src/mastodon/reblog'
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import { getSigningKey } from 'wildebeest/backend/src/mastodon/account'
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import { deliverToActor, deliverFollowers } from 'wildebeest/backend/src/activitypub/deliver'
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import type { Person } from 'wildebeest/backend/src/activitypub/actors'
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import * as actors from 'wildebeest/backend/src/activitypub/actors'
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import * as announce from 'wildebeest/backend/src/activitypub/activities/announce'
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import { getObjectByMastodonId } from 'wildebeest/backend/src/activitypub/objects'
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import type { Note } from 'wildebeest/backend/src/activitypub/objects/note'
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import type { ContextData } from 'wildebeest/backend/src/types/context'
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import { toMastodonStatusFromObject } from 'wildebeest/backend/src/mastodon/status'
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export const onRequest: PagesFunction<Env, any, ContextData> = async ({ env, data, params, request }) => {
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	const domain = new URL(request.url).hostname
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	return handleRequest(env.DATABASE, params.id as string, data.connectedActor, env.userKEK, env.QUEUE, domain)
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}
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export async function handleRequest(
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	db: D1Database,
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	id: string,
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	connectedActor: Person,
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	userKEK: string,
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	queue: Queue<DeliverMessageBody>,
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	domain: string
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): Promise<Response> {
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	const obj = await getObjectByMastodonId(db, id)
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	if (obj === null) {
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		return new Response('', { status: 404 })
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	}
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	const status = await toMastodonStatusFromObject(db, obj as Note, domain)
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	if (status === null) {
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		return new Response('', { status: 404 })
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	}
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	if (obj.originalObjectId && obj.originalActorId) {
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		// Rebloggin an external object delivers the announce activity to the
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		// post author.
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		const targetActor = await actors.getAndCache(new URL(obj.originalActorId), db)
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		if (!targetActor) {
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			return new Response(`target Actor ${obj.originalActorId} not found`, { status: 404 })
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		}
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		const activity = announce.create(connectedActor, new URL(obj.originalObjectId))
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		const signingKey = await getSigningKey(userKEK, db, connectedActor)
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		await Promise.all([
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			// Delivers the announce activity to the post author.
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			deliverToActor(signingKey, connectedActor, targetActor, activity),
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			// Share reblogged by delivering the announce activity to followers
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			deliverFollowers(db, userKEK, connectedActor, activity, queue),
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		])
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	}
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	await createReblog(db, connectedActor, obj)
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	status.reblogged = true
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	const headers = {
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		...cors(),
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		'content-type': 'application/json; charset=utf-8',
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	}
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	return new Response(JSON.stringify(status), { headers })
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}
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