mirror of https://github.com/veops/cmdb.git
80 lines
2.5 KiB
Python
80 lines
2.5 KiB
Python
# -*- coding:utf-8 -*-
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from flask import request, abort, current_app
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from werkzeug.utils import secure_filename
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import lz4.frame
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import magic
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from api.lib.common_setting.const import MIMEExtMap
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from api.lib.common_setting.resp_format import ErrFormat
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from api.lib.common_setting.upload_file import generate_new_file_name, CommonFileCRUD
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from api.resource import APIView
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prefix = '/file'
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ALLOWED_EXTENSIONS = {
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'txt', 'pdf', 'png', 'jpg', 'jpeg', 'gif', 'xls', 'xlsx', 'doc', 'docx', 'ppt', 'pptx', 'csv', 'svg'
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}
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class FileExtensionAllowView(APIView):
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url_prefix = (f'{prefix}/allow_extensions',)
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def get(self):
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extensions = current_app.config.get('ALLOWED_EXTENSIONS', ALLOWED_EXTENSIONS)
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extensions = list(extensions)
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return self.jsonify(extensions)
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class GetFileView(APIView):
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url_prefix = (f'{prefix}/<string:_filename>',)
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def get(self, _filename):
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file_stream = CommonFileCRUD.get_file(_filename)
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return self.send_file(file_stream, as_attachment=True, download_name=_filename)
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class PostFileView(APIView):
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url_prefix = (f'{prefix}',)
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def post(self):
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# check if the post request has the file part
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if 'file' not in request.files:
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abort(400, ErrFormat.no_file_part)
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file = request.files['file']
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if not file:
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abort(400, ErrFormat.file_is_required)
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m_type = magic.from_buffer(file.read(2048), mime=True)
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file.seek(0)
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if m_type == 'application/octet-stream':
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m_type = file.mimetype
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elif m_type == 'text/plain':
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# https://github.com/ahupp/python-magic/issues/193
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m_type = m_type if file.mimetype == m_type else file.mimetype
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extension = MIMEExtMap.get(m_type, None)
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if extension is None:
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abort(400, f"不支持的文件类型: {m_type}")
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filename = file.filename if file.filename and file.filename.endswith(extension) else file.filename + extension
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new_filename = generate_new_file_name(filename)
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new_filename = secure_filename(new_filename)
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file_content = file.read()
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compressed_data = lz4.frame.compress(file_content)
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try:
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CommonFileCRUD.add_file(
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origin_name=filename,
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file_name=new_filename,
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binary=compressed_data,
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)
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return self.jsonify(file_name=new_filename)
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except Exception as e:
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current_app.logger.error(e)
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abort(400, ErrFormat.upload_failed.format(e))
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