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