Begin activitypub

server/lib/activitypub/send-request.ts

@@ -0,0 +1,129 @@
+import * as Sequelize from 'sequelize'
+
+import {
+  AccountInstance,
+  VideoInstance,
+  VideoChannelInstance
+} from '../../models'
+import { httpRequestJobScheduler } from '../jobs'
+import { signObject, activityPubContextify } from '../../helpers'
+import { Activity } from '../../../shared'
+
+function sendCreateVideoChannel (videoChannel: VideoChannelInstance, t: Sequelize.Transaction) {
+  const videoChannelObject = videoChannel.toActivityPubObject()
+  const data = createActivityData(videoChannel.url, videoChannel.Account, videoChannelObject)
+
+  return broadcastToFollowers(data, t)
+}
+
+function sendUpdateVideoChannel (videoChannel: VideoChannelInstance, t: Sequelize.Transaction) {
+  const videoChannelObject = videoChannel.toActivityPubObject()
+  const data = updateActivityData(videoChannel.url, videoChannel.Account, videoChannelObject)
+
+  return broadcastToFollowers(data, t)
+}
+
+function sendDeleteVideoChannel (videoChannel: VideoChannelInstance, t: Sequelize.Transaction) {
+  const videoChannelObject = videoChannel.toActivityPubObject()
+  const data = deleteActivityData(videoChannel.url, videoChannel.Account, videoChannelObject)
+
+  return broadcastToFollowers(data, t)
+}
+
+function sendAddVideo (video: VideoInstance, t: Sequelize.Transaction) {
+  const videoObject = video.toActivityPubObject()
+  const data = addActivityData(video.url, video.VideoChannel.Account, video.VideoChannel.url, videoObject)
+
+  return broadcastToFollowers(data, t)
+}
+
+function sendUpdateVideo (video: VideoInstance, t: Sequelize.Transaction) {
+  const videoObject = video.toActivityPubObject()
+  const data = updateActivityData(video.url, video.VideoChannel.Account, videoObject)
+
+  return broadcastToFollowers(data, t)
+}
+
+function sendDeleteVideo (video: VideoInstance, t: Sequelize.Transaction) {
+  const videoObject = video.toActivityPubObject()
+  const data = deleteActivityData(video.url, video.VideoChannel.Account, videoObject)
+
+  return broadcastToFollowers(data, t)
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+
+}
+
+// ---------------------------------------------------------------------------
+
+function broadcastToFollowers (data: any, t: Sequelize.Transaction) {
+  return httpRequestJobScheduler.createJob(t, 'http-request', 'httpRequestBroadcastHandler', data)
+}
+
+function buildSignedActivity (byAccount: AccountInstance, data: Object) {
+  const activity = activityPubContextify(data)
+
+  return signObject(byAccount, activity) as Promise<Activity>
+}
+
+async function getPublicActivityTo (account: AccountInstance) {
+  const inboxUrls = await account.getFollowerSharedInboxUrls()
+
+  return inboxUrls.concat('https://www.w3.org/ns/activitystreams#Public')
+}
+
+async function createActivityData (url: string, byAccount: AccountInstance, object: any) {
+  const to = await getPublicActivityTo(byAccount)
+  const base = {
+    type: 'Create',
+    id: url,
+    actor: byAccount.url,
+    to,
+    object
+  }
+
+  return buildSignedActivity(byAccount, base)
+}
+
+async function updateActivityData (url: string, byAccount: AccountInstance, object: any) {
+  const to = await getPublicActivityTo(byAccount)
+  const base = {
+    type: 'Update',
+    id: url,
+    actor: byAccount.url,
+    to,
+    object
+  }
+
+  return buildSignedActivity(byAccount, base)
+}
+
+async function deleteActivityData (url: string, byAccount: AccountInstance, object: any) {
+  const to = await getPublicActivityTo(byAccount)
+  const base = {
+    type: 'Update',
+    id: url,
+    actor: byAccount.url,
+    to,
+    object
+  }
+
+  return buildSignedActivity(byAccount, base)
+}
+
+async function addActivityData (url: string, byAccount: AccountInstance, target: string, object: any) {
+  const to = await getPublicActivityTo(byAccount)
+  const base = {
+    type: 'Add',
+    id: url,
+    actor: byAccount.url,
+    to,
+    object,
+    target
+  }
+
+  return buildSignedActivity(byAccount, base)
+}