34 lines
1.6 KiB
TypeScript
34 lines
1.6 KiB
TypeScript
import { loadSettings } from '../../../utils/appconfig'
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import { tryMongo } from '../../../utils/mongo'
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import { getTorrent, markResolved } from '../../../utils/store'
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import { fetchMetadataFromMagnet } from '../../../utils/torrent'
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// webtorrent 依赖 Node 运行时（需要 dgram / 原生模块），必须显式跑在 nodejs 而非 edge
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export const runtime = 'nodejs'
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export default defineEventHandler(async (event) => {
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const infoHash = String(getRouterParam(event, 'infohash') || '').toLowerCase()
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if (!/^[a-f0-9]{40}$/.test(infoHash)) {
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throw createError({ statusCode: 400, statusMessage: 'infoHash 格式不正确（应为 40 位 hex）' })
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}
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const body = await readBody(event).catch(() => ({}))
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const doc = await tryMongo(() => getTorrent(infoHash))
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const magnet = String(body?.magnet || doc?.magnet || '').trim()
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if (!magnet) {
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throw createError({ statusCode: 400, statusMessage: '缺少磁力链，无法在线获取文件清单' })
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}
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const settings = await loadSettings()
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try {
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const meta = await fetchMetadataFromMagnet(magnet, settings.metadataTimeout)
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if (!meta.files.length) throw new Error('已连上节点，但对方没有返回任何文件信息')
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await tryMongo(() => markResolved(infoHash, { files: meta.files, size: meta.size, name: meta.name || doc?.name }, null))
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return { infoHash, name: meta.name, files: meta.files, size: meta.size }
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} catch (err) {
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const message = err instanceof Error ? err.message : '获取种子元数据失败'
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await tryMongo(() => markResolved(infoHash, null, message))
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throw createError({ statusCode: 502, statusMessage: message })
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}
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})
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