1 files changed, 44 insertions, 0 deletions

diff --git a/server/middlewares/validators/sort.ts b/server/middlewares/validators/sort.ts
new file mode 100644
index 000000000..ebc7333c7
--- /dev/null
+++ b/server/middlewares/validators/sort.ts
@@ -0,0 +1,44 @@
+import { checkErrors } from './utils'
+import { logger } from '../../helpers'
+import { SORTABLE_COLUMNS } from '../../initializers'
+
+// Initialize constants here for better performances
+const SORTABLE_USERS_COLUMNS = createSortableColumns(SORTABLE_COLUMNS.USERS)
+const SORTABLE_VIDEO_ABUSES_COLUMNS = createSortableColumns(SORTABLE_COLUMNS.VIDEO_ABUSES)
+const SORTABLE_VIDEOS_COLUMNS = createSortableColumns(SORTABLE_COLUMNS.VIDEOS)
+
+function usersSortValidator (req, res, next) {
+  checkSort(req, res, next, SORTABLE_USERS_COLUMNS)
+}
+
+function videoAbusesSortValidator (req, res, next) {
+  checkSort(req, res, next, SORTABLE_VIDEO_ABUSES_COLUMNS)
+}
+
+function videosSortValidator (req, res, next) {
+  checkSort(req, res, next, SORTABLE_VIDEOS_COLUMNS)
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+  usersSortValidator,
+  videoAbusesSortValidator,
+  videosSortValidator
+}
+
+// ---------------------------------------------------------------------------
+
+function checkSort (req, res, next, sortableColumns) {
+  req.checkQuery('sort', 'Should have correct sortable column').optional().isIn(sortableColumns)
+
+  logger.debug('Checking sort parameters', { parameters: req.query })
+
+  checkErrors(req, res, next)
+}
+
+function createSortableColumns (sortableColumns) {
+  const sortableColumnDesc = sortableColumns.map(sortableColumn => '-' + sortableColumn)
+
+  return sortableColumns.concat(sortableColumnDesc)
+}