X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=server%2Fhelpers%2Factivitypub.ts;h=d710f5c9766ffb71f660470a3755937e385d7c70;hb=19ca8ca93975d99c16ab94c1526a34be74f63b95;hp=75de2278c208f7c1c025c9fc25ca4f5b97d1c64c;hpb=0d0e8dd0904b380b70e19ebcb4763d65601c4632;p=github%2FChocobozzz%2FPeerTube.git

diff --git a/server/helpers/activitypub.ts b/server/helpers/activitypub.ts
index 75de2278c..d710f5c97 100644
--- a/server/helpers/activitypub.ts
+++ b/server/helpers/activitypub.ts
@@ -1,164 +1,116 @@
-import * as url from 'url'
-
-import { database as db } from '../initializers'
-import { logger } from './logger'
-import { doRequest, doRequestAndSaveToFile } from './requests'
-import { isRemoteAccountValid } from './custom-validators'
-import { ActivityPubActor } from '../../shared/models/activitypub/activitypub-actor'
-import { ResultList } from '../../shared/models/result-list.model'
-import { CONFIG } from '../initializers/constants'
-import { VideoInstance } from '../models/video/video-interface'
-import { ActivityIconObject } from '../../shared/index'
-import { join } from 'path'
-
-function generateThumbnailFromUrl (video: VideoInstance, icon: ActivityIconObject) {
-  const thumbnailName = video.getThumbnailName()
-  const thumbnailPath = join(CONFIG.STORAGE.THUMBNAILS_DIR, thumbnailName)
-
-  const options = {
-    method: 'GET',
-    uri: icon.url
-  }
-  return doRequestAndSaveToFile(options, thumbnailPath)
-}
-
-function getActivityPubUrl (type: 'video' | 'videoChannel', uuid: string) {
-  if (type === 'video') return CONFIG.WEBSERVER.URL + '/videos/watch/' + uuid
-  else if (type === 'videoChannel') return CONFIG.WEBSERVER.URL + '/video-channels/' + uuid
-
-  return ''
+import * as Bluebird from 'bluebird'
+import * as validator from 'validator'
+import { ResultList } from '../../shared/models'
+import { Activity, ActivityPubActor } from '../../shared/models/activitypub'
+import { ACTIVITY_PUB } from '../initializers'
+import { ActorModel } from '../models/activitypub/actor'
+import { signObject } from './peertube-crypto'
+import { pageToStartAndCount } from './core-utils'
+
+function activityPubContextify <T> (data: T) {
+  return Object.assign(data, {
+    '@context': [
+      'https://www.w3.org/ns/activitystreams',
+      'https://w3id.org/security/v1',
+      {
+        RsaSignature2017: 'https://w3id.org/security#RsaSignature2017',
+        Hashtag: 'as:Hashtag',
+        uuid: 'http://schema.org/identifier',
+        category: 'http://schema.org/category',
+        licence: 'http://schema.org/license',
+        subtitleLanguage: 'http://schema.org/subtitleLanguage',
+        sensitive: 'as:sensitive',
+        language: 'http://schema.org/inLanguage',
+        views: 'http://schema.org/Number',
+        stats: 'http://schema.org/Number',
+        size: 'http://schema.org/Number',
+        commentsEnabled: 'http://schema.org/Boolean',
+        waitTranscoding: 'http://schema.org/Boolean',
+        support: 'http://schema.org/Text'
+      },
+      {
+        likes: {
+          '@id': 'as:likes',
+          '@type': '@id'
+        },
+        dislikes: {
+          '@id': 'as:dislikes',
+          '@type': '@id'
+        },
+        shares: {
+          '@id': 'as:shares',
+          '@type': '@id'
+        },
+        comments: {
+          '@id': 'as:comments',
+          '@type': '@id'
+        }
+      }
+    ]
+  })
 }
 
-async function getOrCreateAccount (accountUrl: string) {
-  let account = await db.Account.loadByUrl(accountUrl)
+type ActivityPubCollectionPaginationHandler = (start: number, count: number) => Bluebird<ResultList<any>> | Promise<ResultList<any>>
+async function activityPubCollectionPagination (url: string, handler: ActivityPubCollectionPaginationHandler, page?: any) {
+  if (!page || !validator.isInt(page)) {
+    // We just display the first page URL, we only need the total items
+    const result = await handler(0, 1)
 
-  // We don't have this account in our database, fetch it on remote
-  if (!account) {
-    const { account } = await fetchRemoteAccountAndCreatePod(accountUrl)
+    return {
+      id: url,
+      type: 'OrderedCollection',
+      totalItems: result.total,
+      first: url + '?page=1'
+    }
+  }
 
-    if (!account) throw new Error('Cannot fetch remote account.')
+  const { start, count } = pageToStartAndCount(page, ACTIVITY_PUB.COLLECTION_ITEMS_PER_PAGE)
+  const result = await handler(start, count)
 
-    // Save our new account in database
-    await account.save()
-  }
+  let next: string | undefined
+  let prev: string | undefined
 
-  return account
-}
+  // Assert page is a number
+  page = parseInt(page, 10)
 
-async function fetchRemoteAccountAndCreatePod (accountUrl: string) {
-  const options = {
-    uri: accountUrl,
-    method: 'GET'
+  // There are more results
+  if (result.total > page * ACTIVITY_PUB.COLLECTION_ITEMS_PER_PAGE) {
+    next = url + '?page=' + (page + 1)
   }
 
-  let requestResult
-  try {
-    requestResult = await doRequest(options)
-  } catch (err) {
-    logger.warning('Cannot fetch remote account %s.', accountUrl, err)
-    return undefined
+  if (page > 1) {
+    prev = url + '?page=' + (page - 1)
   }
 
-  const accountJSON: ActivityPubActor = requestResult.body
-  if (isRemoteAccountValid(accountJSON) === false) return undefined
-
-  const followersCount = await fetchAccountCount(accountJSON.followers)
-  const followingCount = await fetchAccountCount(accountJSON.following)
-
-  const account = db.Account.build({
-    uuid: accountJSON.uuid,
-    name: accountJSON.preferredUsername,
-    url: accountJSON.url,
-    publicKey: accountJSON.publicKey.publicKeyPem,
-    privateKey: null,
-    followersCount: followersCount,
-    followingCount: followingCount,
-    inboxUrl: accountJSON.inbox,
-    outboxUrl: accountJSON.outbox,
-    sharedInboxUrl: accountJSON.endpoints.sharedInbox,
-    followersUrl: accountJSON.followers,
-    followingUrl: accountJSON.following
-  })
-
-  const accountHost = url.parse(account.url).host
-  const podOptions = {
-    where: {
-      host: accountHost
-    },
-    defaults: {
-      host: accountHost
-    }
+  return {
+    id: url + '?page=' + page,
+    type: 'OrderedCollectionPage',
+    prev,
+    next,
+    partOf: url,
+    orderedItems: result.data,
+    totalItems: result.total
   }
-  const pod = await db.Pod.findOrCreate(podOptions)
 
-  return { account, pod }
 }
 
-function activityPubContextify (data: object) {
-  return Object.assign(data,{
-    '@context': [
-      'https://www.w3.org/ns/activitystreams',
-      'https://w3id.org/security/v1',
-      {
-        'Hashtag': 'as:Hashtag',
-        'uuid': 'http://schema.org/identifier',
-        'category': 'http://schema.org/category',
-        'licence': 'http://schema.org/license',
-        'nsfw': 'as:sensitive',
-        'language': 'http://schema.org/inLanguage',
-        'views': 'http://schema.org/Number',
-        'size': 'http://schema.org/Number'
-      }
-    ]
-  })
-}
+function buildSignedActivity (byActor: ActorModel, data: Object) {
+  const activity = activityPubContextify(data)
 
-function activityPubCollectionPagination (url: string, page: number, result: ResultList<any>) {
-  const baseUrl = url.split('?').shift
+  return signObject(byActor, activity) as Promise<Activity>
+}
 
-  const obj = {
-    id: baseUrl,
-    type: 'Collection',
-    totalItems: result.total,
-    first: {
-      id: baseUrl + '?page=' + page,
-      type: 'CollectionPage',
-      totalItems: result.total,
-      next: baseUrl + '?page=' + (page + 1),
-      partOf: baseUrl,
-      items: result.data
-    }
-  }
+function getActorUrl (activityActor: string | ActivityPubActor) {
+  if (typeof activityActor === 'string') return activityActor
 
-  return activityPubContextify(obj)
+  return activityActor.id
 }
 
 // ---------------------------------------------------------------------------
 
 export {
-  fetchRemoteAccountAndCreatePod,
+  getActorUrl,
   activityPubContextify,
   activityPubCollectionPagination,
-  getActivityPubUrl,
-  generateThumbnailFromUrl,
-  getOrCreateAccount
-}
-
-// ---------------------------------------------------------------------------
-
-async function fetchAccountCount (url: string) {
-  const options = {
-    uri: url,
-    method: 'GET'
-  }
-
-  let requestResult
-  try {
-    requestResult = await doRequest(options)
-  } catch (err) {
-    logger.warning('Cannot fetch remote account count %s.', url, err)
-    return undefined
-  }
-
-  return requestResult.totalItems ? requestResult.totalItems : 0
+  buildSignedActivity
 }