Changing defaults MUC affiliation (#385):

* video/channel owner is MUC owner
* the bot is MUC owner
* the bot is admin on the MUC component
* Peertube moderators/admins have no more special access (by default)
* migration script to update all existing rooms

server/lib/prosody/migration/migrateV10.ts

@@ -0,0 +1,113 @@
+import type { RegisterServerOptions } from '@peertube/peertube-types'
+import { listProsodyRooms, updateProsodyRoom } from '../api/manage-rooms'
+import { Affiliations, getVideoAffiliations, getChannelAffiliations } from '../config/affiliations'
+import { getProsodyDomain } from '../config/domain'
+import * as path from 'path'
+import * as fs from 'fs'
+
+/**
+ * Livechat v10.0.0: we change the way MUC affiliations are handled.
+ * So we must remove all affiliations to peertube admin/owner (unless there are video/channel owners).
+ * For more info, see https://github.com/JohnXLivingston/peertube-plugin-livechat/issues/385
+ *
+ * This script will only be launched one time.
+ */
+async function migrateMUCAffiliations (options: RegisterServerOptions): Promise<void> {
+  const logger = options.peertubeHelpers.logger
+
+  // First, detect if we already run this script.
+  const doneFilePath = path.resolve(options.peertubeHelpers.plugin.getDataDirectoryPath(), 'fix-v10-affiliations')
+  if (fs.existsSync(doneFilePath)) {
+    logger.debug('[migratev10MUCAffiliations] MUC affiliations for v10 already migrated.')
+    return
+  }
+
+  logger.info('[migratev10MUCAffiliations] Migrating MUC affiliations for livechat v10...')
+
+  const prosodyDomain = await getProsodyDomain(options)
+  const rooms = await listProsodyRooms(options)
+  logger.debug('[migratev10MUCAffiliations] Found ' + rooms.length.toString() + ' rooms.')
+
+  logger.debug('[migratev10MUCAffiliations] loading peertube admins and moderators...')
+  const peertubeAff = await _getPeertubeAdminsAndModerators(options, prosodyDomain)
+
+  for (const room of rooms) {
+    try {
+      let affiliations: Affiliations
+      logger.info('[migratev10MUCAffiliations] Must migrate affiliations for room ' + room.localpart)
+      const matches = room.localpart.match(/^channel\.(\d+)$/)
+      if (matches?.[1]) {
+        // room associated to a channel
+        const channelId: number = parseInt(matches[1])
+        if (isNaN(channelId)) { throw new Error('Invalid channelId ' + room.localpart) }
+        affiliations = await getChannelAffiliations(options, channelId)
+      } else {
+        // room associated to a video
+        const video = await options.peertubeHelpers.videos.loadByIdOrUUID(room.localpart)
+        if (!video || video.remote) {
+          logger.info('[migratev10MUCAffiliations] Video ' + room.localpart + ' not found or remote, skipping')
+          continue
+        }
+        affiliations = await getVideoAffiliations(options, video)
+      }
+
+      const affiliationsToRemove: string[] = []
+      for (const jid in peertubeAff) {
+        if (jid in affiliations) {
+          continue
+        }
+        affiliationsToRemove.push(jid)
+      }
+
+      logger.debug(
+        '[migratev10MUCAffiliations] Room ' + room.localpart + ', affiliations to set: ' + JSON.stringify(affiliations)
+      )
+      logger.debug(
+        '[migratev10MUCAffiliations] Room ' +
+        room.localpart + ', affilations to remove: ' + JSON.stringify(affiliationsToRemove)
+      )
+      await updateProsodyRoom(options, room.jid, {
+        addAffiliations: affiliations,
+        removeAffiliationsFor: affiliationsToRemove
+      })
+    } catch (err) {
+      logger.error(
+        '[migratev10MUCAffiliations] Failed to handle room ' + room.localpart + ', skipping. Error: ' + (err as string)
+      )
+      continue
+    }
+  }
+
+  await fs.promises.writeFile(doneFilePath, '')
+}
+
+async function _getPeertubeAdminsAndModerators (
+  options: RegisterServerOptions,
+  prosodyDomain: string
+): Promise<Affiliations> {
+  // Get all admins and moderators
+  const [results] = await options.peertubeHelpers.database.query(
+    'SELECT "username" FROM "user"' +
+    ' WHERE "user"."role" IN (0, 1)'
+  )
+  if (!Array.isArray(results)) {
+    throw new Error('_getPeertubeAdminsAndModerators: query result is not an array.')
+  }
+  const r: Affiliations = {}
+  for (let i = 0; i < results.length; i++) {
+    const result = results[i]
+    if (typeof result !== 'object') {
+      throw new Error('_getPeertubeAdminsAndModerators: query result is not an object')
+    }
+    if (!('username' in result)) {
+      throw new Error('_getPeertubeAdminsAndModerators: no username field in result')
+    }
+    const jid = (result.username as string) + '@' + prosodyDomain
+    r[jid] = 'member' // member, but in fact the migration will just remove the affilation.
+  }
+  return r
+}
+
+export {
+  migrateMUCAffiliations
+}