站点同步

server/api/site-sync/object.get.ts

@@ -0,0 +1,26 @@
+import { getQuery, sendStream, setResponseHeader } from 'h3'
+import { requireSiteSyncAuth } from '../../utils/access'
+import { createApiError } from '../../utils/api-error'
+import { validateStorageKey } from '../../utils/image-key'
+import { getBackendForKey } from '../../utils/storage/resolver'
+
+export default defineEventHandler(async (event) => {
+  await requireSiteSyncAuth(event)
+
+  const query = getQuery(event)
+  const key = typeof query.key === 'string' ? query.key.trim() : ''
+  if (!validateStorageKey(key)) {
+    createApiError(event, 'INVALID_REQUEST', '同步对象 key 无效', 400)
+  }
+
+  const backend = await getBackendForKey(key)
+  const stored = await backend.head(key)
+  if (!stored) {
+    createApiError(event, 'IMAGE_NOT_FOUND', `目标对象不存在：${key}`, 404)
+  }
+
+  setResponseHeader(event, 'Content-Type', stored.contentType)
+  setResponseHeader(event, 'Content-Length', stored.size)
+  setResponseHeader(event, 'Cache-Control', 'no-store')
+  return sendStream(event, await backend.createStream(key))
+})