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		7753ba2d37
		
			
		
	
	
	
	
		
			
			Co-authored-by: Joel <iamjoel007@gmail.com> Co-authored-by: Yeuoly <admin@srmxy.cn> Co-authored-by: JzoNg <jzongcode@gmail.com> Co-authored-by: StyleZhang <jasonapring2015@outlook.com> Co-authored-by: jyong <jyong@dify.ai> Co-authored-by: nite-knite <nkCoding@gmail.com> Co-authored-by: jyong <718720800@qq.com>
		
			
				
	
	
		
			49 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			49 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| from flask import Response
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| from flask_restful import Resource, reqparse
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| from werkzeug.exceptions import Forbidden, NotFound
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| 
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| from controllers.files import api
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| from core.tools.tool_file_manager import ToolFileManager
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| from libs.exception import BaseHTTPException
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| 
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| 
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| class ToolFilePreviewApi(Resource):
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|     def get(self, file_id, extension):
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|         file_id = str(file_id)
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| 
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|         parser = reqparse.RequestParser()
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| 
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|         parser.add_argument('timestamp', type=str, required=True, location='args')
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|         parser.add_argument('nonce', type=str, required=True, location='args')
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|         parser.add_argument('sign', type=str, required=True, location='args')
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| 
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|         args = parser.parse_args()
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| 
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|         if not ToolFileManager.verify_file(file_id=file_id,
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|                                             timestamp=args['timestamp'],
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|                                             nonce=args['nonce'],
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|                                             sign=args['sign'],
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|         ):
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|             raise Forbidden('Invalid request.')
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|         
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|         try:
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|             result = ToolFileManager.get_file_generator_by_tool_file_id(
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|                 file_id,
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|             )
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| 
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|             if not result:
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|                 raise NotFound('file is not found')
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|             
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|             generator, mimetype = result
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|         except Exception:
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|             raise UnsupportedFileTypeError()
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| 
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|         return Response(generator, mimetype=mimetype)
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| 
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| api.add_resource(ToolFilePreviewApi, '/files/tools/<uuid:file_id>.<string:extension>')
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| 
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| class UnsupportedFileTypeError(BaseHTTPException):
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|     error_code = 'unsupported_file_type'
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|     description = "File type not allowed."
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|     code = 415
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