Moderation configuration screen: WIP.

server/lib/middlewares/moderation/channel.ts

@@ -0,0 +1,53 @@
+import type { RegisterServerOptions } from '@peertube/peertube-types'
+import type { Request, Response, NextFunction } from 'express'
+import type { RequestPromiseHandler } from '../async'
+import { getChannelInfosById } from '../../database/channel'
+import { isUserAdminOrModerator } from '../../helpers'
+
+/**
+ * Returns a middleware handler to get the channelInfos from the channel parameter.
+ * This is used in api related to channel moderation options.
+ * @param options Peertube server options
+ * @returns middleware function
+ */
+function getCheckModerationChannelMiddleware (options: RegisterServerOptions): RequestPromiseHandler {
+  return async (req: Request, res: Response, next: NextFunction) => {
+    const logger = options.peertubeHelpers.logger
+    const channelId = req.params.channelId
+    const currentUser = await options.peertubeHelpers.user.getAuthUser(res)
+
+    if (!channelId || !/^\d+$/.test(channelId)) {
+      res.sendStatus(400)
+      return
+    }
+
+    const channelInfos = await getChannelInfosById(options, parseInt(channelId), true)
+    if (!channelInfos) {
+      logger.warn(`Channel ${channelId} not found`)
+      res.sendStatus(404)
+      return
+    }
+
+    // To access this page, you must either be:
+    // - the channel owner,
+    // - an instance modo/admin
+    // - TODO: a channel chat moderator, as defined in this page.
+    if (channelInfos.ownerAccountId === currentUser.Account.id) {
+      logger.debug('Current user is the channel owner')
+    } else if (await isUserAdminOrModerator(options, res)) {
+      logger.debug('Current user is an instance moderator or admin')
+    } else {
+      logger.warn('Current user tries to access a channel for which he has no right.')
+      res.sendStatus(403)
+      return
+    }
+
+    logger.debug('User can access the moderation channel api.')
+    res.locals.channelInfos = channelInfos
+    next()
+  }
+}
+
+export {
+  getCheckModerationChannelMiddleware
+}