Set port if not specified in webfinger

[github/Chocobozzz/PeerTube.git] / server / helpers / activitypub.ts

diff --git a/server/helpers/activitypub.ts b/server/helpers/activitypub.ts
index 75de2278c208f7c1c025c9fc25ca4f5b97d1c64c..b6207c9153e15eac5f61ed35146ab621572bbde6 100644 (file)
--- a/server/helpers/activitypub.ts
+++ b/server/helpers/activitypub.ts
@@ -1,105 +1,16 @@
-import * as url from 'url'
+import { ResultList } from '../../shared/models'
+import { Activity } from '../../shared/models/activitypub'
+import { ACTIVITY_PUB } from '../initializers'
+import { ActorModel } from '../models/activitypub/actor'
+import { signObject } from './peertube-crypto'
 
-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 ''
-}
-
-async function getOrCreateAccount (accountUrl: string) {
-  let account = await db.Account.loadByUrl(accountUrl)
-
-  // We don't have this account in our database, fetch it on remote
-  if (!account) {
-    const { account } = await fetchRemoteAccountAndCreatePod(accountUrl)
-
-    if (!account) throw new Error('Cannot fetch remote account.')
-
-    // Save our new account in database
-    await account.save()
-  }
-
-  return account
-}
-
-async function fetchRemoteAccountAndCreatePod (accountUrl: string) {
-  const options = {
-    uri: accountUrl,
-    method: 'GET'
-  }
-
-  let requestResult
-  try {
-    requestResult = await doRequest(options)
-  } catch (err) {
-    logger.warning('Cannot fetch remote account %s.', accountUrl, err)
-    return undefined
-  }
-
-  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
-    }
-  }
-  const pod = await db.Pod.findOrCreate(podOptions)
-
-  return { account, pod }
-}
-
-function activityPubContextify (data: object) {
+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',
@@ -113,52 +24,64 @@ function activityPubContextify (data: object) {
   })
 }
 
-function activityPubCollectionPagination (url: string, page: number, result: ResultList<any>) {
-  const baseUrl = url.split('?').shift
+function activityPubCollection (results: any[]) {
+  return {
+    type: 'OrderedCollection',
+    totalItems: results.length,
+    orderedItems: results
+  }
+}
+
+function activityPubCollectionPagination (url: string, page: any, result: ResultList<any>) {
+  let next: string
+  let prev: string
+
+  // Assert page is a number
+  page = parseInt(page, 10)
+
+  // There are more results
+  if (result.total > page * ACTIVITY_PUB.COLLECTION_ITEMS_PER_PAGE) {
+    next = url + '?page=' + (page + 1)
+  }
+
+  if (page > 1) {
+    prev = url + '?page=' + (page - 1)
+  }
+
+  const orderedCollectionPagination = {
+    id: url + '?page=' + page,
+    type: 'OrderedCollectionPage',
+    prev,
+    next,
+    partOf: url,
+    orderedItems: result.data
+  }
 
-  const obj = {
-    id: baseUrl,
-    type: 'Collection',
-    totalItems: result.total,
-    first: {
-      id: baseUrl + '?page=' + page,
-      type: 'CollectionPage',
+  if (page === 1) {
+    return activityPubContextify({
+      id: url,
+      type: 'OrderedCollection',
       totalItems: result.total,
-      next: baseUrl + '?page=' + (page + 1),
-      partOf: baseUrl,
-      items: result.data
-    }
+      first: orderedCollectionPagination
+    })
+  } else {
+    orderedCollectionPagination['totalItems'] = result.total
   }
 
-  return activityPubContextify(obj)
+  return orderedCollectionPagination
 }
 
-// ---------------------------------------------------------------------------
+function buildSignedActivity (byActor: ActorModel, data: Object) {
+  const activity = activityPubContextify(data)
 
-export {
-  fetchRemoteAccountAndCreatePod,
-  activityPubContextify,
-  activityPubCollectionPagination,
-  getActivityPubUrl,
-  generateThumbnailFromUrl,
-  getOrCreateAccount
+  return signObject(byActor, activity) as Promise<Activity>
 }
 
 // ---------------------------------------------------------------------------
 
-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
+export {
+  activityPubContextify,
+  activityPubCollectionPagination,
+  activityPubCollection,
+  buildSignedActivity
 }