51 lines
2.1 KiB
Plaintext
51 lines
2.1 KiB
Plaintext
# ticket_attachment.dspy - 工单附件打开/下载（I5 可见性服务端校验）
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# 入参: msg_id=<消息id>, att_id=<附件id>, download=1 时以附件名下载
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# 客户只能取 visibility='customer' 消息附件；staff/admin 全量。
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from urllib.parse import quote as _quote
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from aiohttp.web_fileresponse import FileResponse
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user_id = await get_user()
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if not user_id:
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return {"widgettype": "Message", "options": {"title": "未登录", "message": "请先登录"}}
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msg_id = ((params_kw or {}).get('msg_id') or '').strip()
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att_id = ((params_kw or {}).get('att_id') or '').strip()
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download = ((params_kw or {}).get('download') or '').strip()
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ok, res = await ticket_get_attachment_file(msg_id, att_id, user_id, await get_userorgid())
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if not ok:
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code, msg = res
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return {"widgettype": "Message", "options": {"title": "打开失败", "message": msg}}
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full_path, fname = res
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fname = str(fname)
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safe_name = _quote(fname)
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headers = {}
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if download:
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headers['Content-Disposition'] = (
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'attachment; filename="%s"; filename*=UTF-8\'\'%s' % (fname, safe_name))
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else:
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# 图片/PDF 等浏览器可直接渲染的类型内联打开
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headers['Content-Disposition'] = (
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'inline; filename="%s"; filename*=UTF-8\'\'%s' % (fname, safe_name))
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# 文本类显式带 charset=utf-8：aiohttp FileResponse 按扩展名猜 Content-Type 不附
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# charset，text/plain 无 charset 时浏览器按 ISO-8859-1 解 UTF-8 → 中文乱码
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# （2026-09-11 用户报障）。未知扩展名的纯文本（log/conf 等）也归入 text/plain 内联展示。
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import mimetypes as _mt
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_ctype = _mt.guess_type(fname)[0] or ''
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if not _ctype:
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_ext = fname.rsplit('.', 1)[-1].lower() if '.' in fname else ''
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if _ext in ('txt', 'log', 'md', 'csv', 'conf', 'ini', 'yml', 'yaml',
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'py', 'js', 'sh', 'sql', 'json'):
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_ctype = 'text/plain'
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if _ctype.startswith('text/') or _ctype in (
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'application/json', 'application/javascript',
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'application/xml', 'image/svg+xml'):
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_ctype += '; charset=utf-8'
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if _ctype:
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headers['Content-Type'] = _ctype
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return FileResponse(full_path, headers=headers)
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