mirror of https://github.com/langgenius/dify.git
79 lines
2.6 KiB
Python
79 lines
2.6 KiB
Python
from mimetypes import guess_extension
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from flask import request
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from flask_restful import Resource, marshal_with # type: ignore
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from werkzeug.exceptions import Forbidden
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import services
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from controllers.console.wraps import setup_required
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from controllers.files import api
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from controllers.files.error import UnsupportedFileTypeError
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from controllers.inner_api.plugin.wraps import get_user
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from controllers.service_api.app.error import FileTooLargeError
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from core.file.helpers import verify_plugin_file_signature
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from core.tools.tool_file_manager import ToolFileManager
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from fields.file_fields import file_fields
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class PluginUploadFileApi(Resource):
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@setup_required
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@marshal_with(file_fields)
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def post(self):
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# get file from request
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file = request.files["file"]
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timestamp = request.args.get("timestamp")
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nonce = request.args.get("nonce")
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sign = request.args.get("sign")
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tenant_id = request.args.get("tenant_id")
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if not tenant_id:
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raise Forbidden("Invalid request.")
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user_id = request.args.get("user_id")
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user = get_user(tenant_id, user_id)
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filename = file.filename
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mimetype = file.mimetype
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if not filename or not mimetype:
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raise Forbidden("Invalid request.")
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if not timestamp or not nonce or not sign:
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raise Forbidden("Invalid request.")
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if not verify_plugin_file_signature(
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filename=filename,
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mimetype=mimetype,
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tenant_id=tenant_id,
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user_id=user_id,
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timestamp=timestamp,
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nonce=nonce,
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sign=sign,
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):
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raise Forbidden("Invalid request.")
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try:
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tool_file = ToolFileManager.create_file_by_raw(
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user_id=user.id,
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tenant_id=tenant_id,
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file_binary=file.read(),
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mimetype=mimetype,
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filename=filename,
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conversation_id=None,
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)
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extension = guess_extension(tool_file.mimetype) or ".bin"
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preview_url = ToolFileManager.sign_file(tool_file_id=tool_file.id, extension=extension)
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tool_file.mime_type = mimetype
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tool_file.extension = extension
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tool_file.preview_url = preview_url
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except services.errors.file.FileTooLargeError as file_too_large_error:
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raise FileTooLargeError(file_too_large_error.description)
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except services.errors.file.UnsupportedFileTypeError:
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raise UnsupportedFileTypeError()
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return tool_file, 201
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api.add_resource(PluginUploadFileApi, "/files/upload/for-plugin")
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