mirror of https://github.com/Chocobozzz/PeerTube
				
				
				
			
		
			
				
	
	
		
			131 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			TypeScript
		
	
	
			
		
		
	
	
			131 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			TypeScript
		
	
	
| import * as Bluebird from 'bluebird'
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| import * as validator from 'validator'
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| import { ResultList } from '../../shared/models'
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| import { Activity } from '../../shared/models/activitypub'
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| import { ACTIVITY_PUB } from '../initializers'
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| import { ActorModel } from '../models/activitypub/actor'
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| import { signJsonLDObject } from './peertube-crypto'
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| import { pageToStartAndCount } from './core-utils'
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| import { parse } from 'url'
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| 
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| function activityPubContextify <T> (data: T) {
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|   return Object.assign(data, {
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|     '@context': [
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|       'https://www.w3.org/ns/activitystreams',
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|       'https://w3id.org/security/v1',
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|       {
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|         RsaSignature2017: 'https://w3id.org/security#RsaSignature2017',
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|         pt: 'https://joinpeertube.org/ns',
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|         sc: 'http://schema.org#',
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|         Hashtag: 'as:Hashtag',
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|         uuid: 'sc:identifier',
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|         category: 'sc:category',
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|         licence: 'sc:license',
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|         subtitleLanguage: 'sc:subtitleLanguage',
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|         sensitive: 'as:sensitive',
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|         language: 'sc:inLanguage',
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|         views: 'sc:Number',
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|         state: 'sc:Number',
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|         size: 'sc:Number',
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|         fps: 'sc:Number',
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|         commentsEnabled: 'sc:Boolean',
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|         waitTranscoding: 'sc:Boolean',
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|         expires: 'sc:expires',
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|         support: 'sc:Text',
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|         CacheFile: 'pt:CacheFile'
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|       },
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|       {
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|         likes: {
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|           '@id': 'as:likes',
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|           '@type': '@id'
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|         },
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|         dislikes: {
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|           '@id': 'as:dislikes',
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|           '@type': '@id'
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|         },
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|         shares: {
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|           '@id': 'as:shares',
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|           '@type': '@id'
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|         },
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|         comments: {
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|           '@id': 'as:comments',
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|           '@type': '@id'
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|         }
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|       }
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|     ]
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|   })
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| }
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| 
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| type ActivityPubCollectionPaginationHandler = (start: number, count: number) => Bluebird<ResultList<any>> | Promise<ResultList<any>>
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| async function activityPubCollectionPagination (baseUrl: string, handler: ActivityPubCollectionPaginationHandler, page?: any) {
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|   if (!page || !validator.isInt(page)) {
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|     // We just display the first page URL, we only need the total items
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|     const result = await handler(0, 1)
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| 
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|     return {
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|       id: baseUrl,
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|       type: 'OrderedCollection',
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|       totalItems: result.total,
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|       first: baseUrl + '?page=1'
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|     }
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|   }
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| 
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|   const { start, count } = pageToStartAndCount(page, ACTIVITY_PUB.COLLECTION_ITEMS_PER_PAGE)
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|   const result = await handler(start, count)
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| 
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|   let next: string | undefined
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|   let prev: string | undefined
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| 
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|   // Assert page is a number
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|   page = parseInt(page, 10)
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| 
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|   // There are more results
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|   if (result.total > page * ACTIVITY_PUB.COLLECTION_ITEMS_PER_PAGE) {
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|     next = baseUrl + '?page=' + (page + 1)
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|   }
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| 
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|   if (page > 1) {
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|     prev = baseUrl + '?page=' + (page - 1)
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|   }
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| 
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|   return {
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|     id: baseUrl + '?page=' + page,
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|     type: 'OrderedCollectionPage',
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|     prev,
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|     next,
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|     partOf: baseUrl,
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|     orderedItems: result.data,
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|     totalItems: result.total
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|   }
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| 
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| }
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| 
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| function buildSignedActivity (byActor: ActorModel, data: Object) {
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|   const activity = activityPubContextify(data)
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| 
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|   return signJsonLDObject(byActor, activity) as Promise<Activity>
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| }
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| 
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| function getAPId (activity: string | { id: string }) {
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|   if (typeof activity === 'string') return activity
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| 
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|   return activity.id
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| }
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| 
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| function checkUrlsSameHost (url1: string, url2: string) {
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|   const idHost = parse(url1).host
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|   const actorHost = parse(url2).host
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| 
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|   return idHost && actorHost && idHost.toLowerCase() === actorHost.toLowerCase()
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| }
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| 
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| // ---------------------------------------------------------------------------
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| 
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| export {
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|   checkUrlsSameHost,
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|   getAPId,
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|   activityPubContextify,
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|   activityPubCollectionPagination,
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|   buildSignedActivity
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| }
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