2 files changed, 24 insertions, 0 deletions

diff --git a/server/middlewares/validators/activitypub/index.ts b/server/middlewares/validators/activitypub/index.ts
index 84d1107fc..159338d26 100644
--- a/server/middlewares/validators/activitypub/index.ts
+++ b/server/middlewares/validators/activitypub/index.ts
@@ -1,2 +1,3 @@
 export * from './activity'
 export * from './signature'
+export * from './pagination'
diff --git a/server/middlewares/validators/activitypub/pagination.ts b/server/middlewares/validators/activitypub/pagination.ts
new file mode 100644
index 000000000..8b32d3415
--- /dev/null
+++ b/server/middlewares/validators/activitypub/pagination.ts
@@ -0,0 +1,23 @@
+import * as express from 'express'
+import { query } from 'express-validator'
+import { logger } from '../../../helpers/logger'
+import { areValidationErrors } from '../utils'
+
+const apPaginationValidator = [
+  query('page').optional().isInt({ min: 1 }).withMessage('Should have a valid page number'),
+  query('size').optional().isInt({ max: 50 }).withMessage('Should have a valid page size (max: 50)'),
+
+  (req: express.Request, res: express.Response, next: express.NextFunction) => {
+    logger.debug('Checking pagination parameters', { parameters: req.query })
+
+    if (areValidationErrors(req, res)) return
+
+    return next()
+  }
+]
+
+// ---------------------------------------------------------------------------
+
+export {
+  apPaginationValidator
+}