Custom channel emoticons WIP (#130)

server/lib/routers/emojis.ts

@@ -0,0 +1,90 @@
+// SPDX-FileCopyrightText: 2024 John Livingston <https://www.john-livingston.fr/>
+//
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import type { RegisterServerOptions } from '@peertube/peertube-types'
+import type { Router, Request, Response, NextFunction } from 'express'
+import { asyncMiddleware } from '../middlewares/async'
+import { Emojis } from '../emojis'
+
+export async function initEmojisRouter (
+  options: RegisterServerOptions,
+  router: Router
+): Promise<void> {
+  const logger = options.peertubeHelpers.logger
+
+  router.get(
+    '/emojis/channel/:channelId/definition',
+    asyncMiddleware(async (req: Request, res: Response, _next: NextFunction): Promise<void> => {
+      try {
+        const emojis = Emojis.singletonSafe()
+        if (!emojis) {
+          res.sendStatus(404)
+          return
+        }
+
+        const channelId = parseInt(req.params.channelId)
+        if (!channelId || isNaN(channelId)) {
+          res.sendStatus(400)
+          return
+        }
+
+        if (!await emojis.channelHasCustomEmojis(channelId)) {
+          res.sendStatus(404)
+          return
+        }
+
+        res.sendFile(emojis.channelCustomEmojisDefinitionPath(channelId))
+      } catch (err) {
+        logger.error(err)
+        res.sendStatus(500)
+      }
+    })
+  )
+
+  router.get(
+    '/emojis/channel/:channelId/files/:fileName',
+    asyncMiddleware(async (req: Request, res: Response, _next: NextFunction): Promise<void> => {
+      try {
+        const emojis = Emojis.singletonSafe()
+        if (!emojis) {
+          res.sendStatus(404)
+          return
+        }
+
+        const channelId = parseInt(req.params.channelId)
+        if (!channelId || isNaN(channelId)) {
+          res.sendStatus(400)
+          return
+        }
+
+        const fileName = req.params.fileName
+        if (!emojis.validImageFileName(fileName)) {
+          res.sendStatus(400)
+          return
+        }
+
+        if (!await emojis.channelHasCustomEmojis(channelId)) {
+          res.sendStatus(404)
+          return
+        }
+
+        res.sendFile(
+          emojis.channelCustomEmojisFilePath(channelId, fileName),
+          {
+            immutable: true,
+            maxAge: 1000 * 60 * 60 * 24 // 24h
+          },
+          (err) => {
+            if (err) {
+              res.sendStatus(404)
+            }
+          }
+        )
+      } catch (err) {
+        logger.error(err)
+        res.sendStatus(500)
+      }
+    })
+  )
+}