fix(scanner): accept Epson empty write probes

2026-09-30 19:57:54 +02:00
parent 2143ce0933
commit f359bfb579
4 changed files with 80 additions and 13 deletions
--- a/backend/src/routes/scannerInboxGateway.ts
+++ b/backend/src/routes/scannerInboxGateway.ts
@@ -45,6 +45,10 @@ export default async function scannerInboxGateway(server: FastifyInstance, optio
                throw scannerError(412, "Änderungen an vorhandenen Dokumenten werden nicht unterstützt.")
            }
            const body = Buffer.isBuffer(req.body) ? req.body : Buffer.alloc(0)
+            if (!body.length && req.headers["content-length"] === "0") {
+                await service.probe(identity, filename, req.headers["if-none-match"] === "*")
+                return reply.code(201).send()
+            }
            const result = await service.accept(identity, filename, body, req.headers["if-none-match"] === "*")
            return reply.header("ETag", `"${result.checksum}"`).code(result.created ? 201 : 204).send()
        }