24 lines
1.1 KiB
JavaScript
24 lines
1.1 KiB
JavaScript
const express = require('express');
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const path = require('path');
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const fs = require('fs');
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const { getRow } = require('../db');
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const { authenticate } = require('../middleware/auth');
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const { UPLOAD_DIR } = require('../middleware/upload');
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const router = express.Router();
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router.get('/:storedName', authenticate, async (req, res) => {
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const att = await getRow('SELECT * FROM attachments WHERE stored_name = ?', [req.params.storedName]);
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if (!att) return res.status(404).json({ error: '文件不存在' });
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const ticket = await getRow('SELECT * FROM tickets WHERE id = ?', [att.ticket_id]);
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if (req.user.role === 'player' && ticket?.user_id !== req.user.id) return res.status(403).json({ error: '无权限' });
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const filePath = path.join(UPLOAD_DIR, att.stored_name);
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if (!fs.existsSync(filePath)) return res.status(404).json({ error: '文件不存在' });
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res.setHeader('Content-Type', att.mime_type);
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res.setHeader('Content-Disposition', `inline; filename="${encodeURIComponent(att.original_name)}"`);
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res.setHeader('Cache-Control', 'private, max-age=86400');
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fs.createReadStream(filePath).pipe(res);
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});
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module.exports = router;
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