server/server -> server/core

2025-10-03 09:49:20 +02:00 · 2023-10-04 15:13:25 +02:00 · 2023-10-04 15:13:25 +02:00 · 5a3d0650c9
commit 5a3d0650c9
parent 114327d4ce
838 changed files with 111 additions and 111 deletions
--- a/server/core/helpers/activity-pub-utils.ts
+++ b/server/core/helpers/activity-pub-utils.ts
@ -0,0 +1,239 @@
+import { ContextType } from '@peertube/peertube-models'
+import { ACTIVITY_PUB } from '@server/initializers/constants.js'
+import { buildDigest, signJsonLDObject } from './peertube-crypto.js'
+
+type ContextFilter = <T> (arg: T) => Promise<T>
+
+export function buildGlobalHTTPHeaders (body: any) {
+  return {
+    'digest': buildDigest(body),
+    'content-type': 'application/activity+json',
+    'accept': ACTIVITY_PUB.ACCEPT_HEADER
+  }
+}
+
+export async function activityPubContextify <T> (data: T, type: ContextType, contextFilter: ContextFilter) {
+  return { ...await getContextData(type, contextFilter), ...data }
+}
+
+export async function signAndContextify <T> (
+  byActor: { url: string, privateKey: string },
+  data: T,
+  contextType: ContextType | null,
+  contextFilter: ContextFilter
+) {
+  const activity = contextType
+    ? await activityPubContextify(data, contextType, contextFilter)
+    : data
+
+  return signJsonLDObject(byActor, activity)
+}
+
+// ---------------------------------------------------------------------------
+// Private
+// ---------------------------------------------------------------------------
+
+type ContextValue = { [ id: string ]: (string | { '@type': string, '@id': string }) }
+
+const contextStore: { [ id in ContextType ]: (string | { [ id: string ]: string })[] } = {
+  Video: buildContext({
+    Hashtag: 'as:Hashtag',
+    uuid: 'sc:identifier',
+    category: 'sc:category',
+    licence: 'sc:license',
+    subtitleLanguage: 'sc:subtitleLanguage',
+    sensitive: 'as:sensitive',
+    language: 'sc:inLanguage',
+    identifier: 'sc:identifier',
+
+    isLiveBroadcast: 'sc:isLiveBroadcast',
+    liveSaveReplay: {
+      '@type': 'sc:Boolean',
+      '@id': 'pt:liveSaveReplay'
+    },
+    permanentLive: {
+      '@type': 'sc:Boolean',
+      '@id': 'pt:permanentLive'
+    },
+    latencyMode: {
+      '@type': 'sc:Number',
+      '@id': 'pt:latencyMode'
+    },
+
+    Infohash: 'pt:Infohash',
+
+    tileWidth: {
+      '@type': 'sc:Number',
+      '@id': 'pt:tileWidth'
+    },
+    tileHeight: {
+      '@type': 'sc:Number',
+      '@id': 'pt:tileHeight'
+    },
+    tileDuration: {
+      '@type': 'sc:Number',
+      '@id': 'pt:tileDuration'
+    },
+
+    originallyPublishedAt: 'sc:datePublished',
+
+    uploadDate: 'sc:uploadDate',
+
+    hasParts: 'sc:hasParts',
+
+    views: {
+      '@type': 'sc:Number',
+      '@id': 'pt:views'
+    },
+    state: {
+      '@type': 'sc:Number',
+      '@id': 'pt:state'
+    },
+    size: {
+      '@type': 'sc:Number',
+      '@id': 'pt:size'
+    },
+    fps: {
+      '@type': 'sc:Number',
+      '@id': 'pt:fps'
+    },
+    commentsEnabled: {
+      '@type': 'sc:Boolean',
+      '@id': 'pt:commentsEnabled'
+    },
+    downloadEnabled: {
+      '@type': 'sc:Boolean',
+      '@id': 'pt:downloadEnabled'
+    },
+    waitTranscoding: {
+      '@type': 'sc:Boolean',
+      '@id': 'pt:waitTranscoding'
+    },
+    support: {
+      '@type': 'sc:Text',
+      '@id': 'pt:support'
+    },
+    likes: {
+      '@id': 'as:likes',
+      '@type': '@id'
+    },
+    dislikes: {
+      '@id': 'as:dislikes',
+      '@type': '@id'
+    },
+    shares: {
+      '@id': 'as:shares',
+      '@type': '@id'
+    },
+    comments: {
+      '@id': 'as:comments',
+      '@type': '@id'
+    }
+  }),
+
+  Playlist: buildContext({
+    Playlist: 'pt:Playlist',
+    PlaylistElement: 'pt:PlaylistElement',
+    position: {
+      '@type': 'sc:Number',
+      '@id': 'pt:position'
+    },
+    startTimestamp: {
+      '@type': 'sc:Number',
+      '@id': 'pt:startTimestamp'
+    },
+    stopTimestamp: {
+      '@type': 'sc:Number',
+      '@id': 'pt:stopTimestamp'
+    },
+    uuid: 'sc:identifier'
+  }),
+
+  CacheFile: buildContext({
+    expires: 'sc:expires',
+    CacheFile: 'pt:CacheFile'
+  }),
+
+  Flag: buildContext({
+    Hashtag: 'as:Hashtag'
+  }),
+
+  Actor: buildContext({
+    playlists: {
+      '@id': 'pt:playlists',
+      '@type': '@id'
+    },
+    support: {
+      '@type': 'sc:Text',
+      '@id': 'pt:support'
+    },
+
+    // TODO: remove in a few versions, introduced in 4.2
+    icons: 'as:icon'
+  }),
+
+  WatchAction: buildContext({
+    WatchAction: 'sc:WatchAction',
+    startTimestamp: {
+      '@type': 'sc:Number',
+      '@id': 'pt:startTimestamp'
+    },
+    stopTimestamp: {
+      '@type': 'sc:Number',
+      '@id': 'pt:stopTimestamp'
+    },
+    watchSection: {
+      '@type': 'sc:Number',
+      '@id': 'pt:stopTimestamp'
+    },
+    uuid: 'sc:identifier'
+  }),
+
+  Collection: buildContext(),
+  Follow: buildContext(),
+  Reject: buildContext(),
+  Accept: buildContext(),
+  View: buildContext(),
+  Announce: buildContext(),
+  Comment: buildContext(),
+  Delete: buildContext(),
+  Rate: buildContext(),
+
+  Chapters: buildContext({
+    name: 'sc:name',
+    hasPart: 'sc:hasPart',
+    endOffset: 'sc:endOffset',
+    startOffset: 'sc:startOffset'
+  })
+}
+
+async function getContextData (type: ContextType, contextFilter: ContextFilter) {
+  const contextData = contextFilter
+    ? await contextFilter(contextStore[type])
+    : contextStore[type]
+
+  return { '@context': contextData }
+}
+
+function buildContext (contextValue?: ContextValue) {
+  const baseContext = [
+    'https://www.w3.org/ns/activitystreams',
+    'https://w3id.org/security/v1',
+    {
+      RsaSignature2017: 'https://w3id.org/security#RsaSignature2017'
+    }
+  ]
+
+  if (!contextValue) return baseContext
+
+  return [
+    ...baseContext,
+
+    {
+      pt: 'https://joinpeertube.org/ns#',
+      sc: 'http://schema.org/',
+
+      ...contextValue
+    }
+  ]
+}