mirror of
https://github.com/django/django.git
synced 2024-11-24 20:07:01 +01:00
92 lines
2.2 KiB
Python
92 lines
2.2 KiB
Python
"""
|
|
Upload handlers to test the upload API.
|
|
"""
|
|
|
|
import os
|
|
from tempfile import NamedTemporaryFile
|
|
|
|
from django.core.files.uploadhandler import (
|
|
FileUploadHandler,
|
|
StopUpload,
|
|
TemporaryFileUploadHandler,
|
|
)
|
|
|
|
|
|
class QuotaUploadHandler(FileUploadHandler):
|
|
"""
|
|
This test upload handler terminates the connection if more than a quota
|
|
(5MB) is uploaded.
|
|
"""
|
|
|
|
QUOTA = 5 * 2**20 # 5 MB
|
|
|
|
def __init__(self, request=None):
|
|
super().__init__(request)
|
|
self.total_upload = 0
|
|
|
|
def receive_data_chunk(self, raw_data, start):
|
|
self.total_upload += len(raw_data)
|
|
if self.total_upload >= self.QUOTA:
|
|
raise StopUpload(connection_reset=True)
|
|
return raw_data
|
|
|
|
def file_complete(self, file_size):
|
|
return None
|
|
|
|
|
|
class StopUploadTemporaryFileHandler(TemporaryFileUploadHandler):
|
|
"""A handler that raises a StopUpload exception."""
|
|
|
|
def receive_data_chunk(self, raw_data, start):
|
|
raise StopUpload()
|
|
|
|
|
|
class CustomUploadError(Exception):
|
|
pass
|
|
|
|
|
|
class ErroringUploadHandler(FileUploadHandler):
|
|
"""A handler that raises an exception."""
|
|
|
|
def receive_data_chunk(self, raw_data, start):
|
|
raise CustomUploadError("Oops!")
|
|
|
|
|
|
class TraversalUploadHandler(FileUploadHandler):
|
|
"""A handler with potential directory-traversal vulnerability."""
|
|
|
|
def __init__(self, request=None):
|
|
from .tests import UPLOAD_TO
|
|
|
|
super().__init__(request)
|
|
self.upload_dir = UPLOAD_TO
|
|
|
|
def file_complete(self, file_size):
|
|
self.file.seek(0)
|
|
self.file.size = file_size
|
|
with open(os.path.join(self.upload_dir, self.file_name), "wb") as fp:
|
|
fp.write(self.file.read())
|
|
return self.file
|
|
|
|
def new_file(
|
|
self,
|
|
field_name,
|
|
file_name,
|
|
content_type,
|
|
content_length,
|
|
charset=None,
|
|
content_type_extra=None,
|
|
):
|
|
super().new_file(
|
|
file_name,
|
|
file_name,
|
|
content_length,
|
|
content_length,
|
|
charset,
|
|
content_type_extra,
|
|
)
|
|
self.file = NamedTemporaryFile(suffix=".upload", dir=self.upload_dir)
|
|
|
|
def receive_data_chunk(self, raw_data, start):
|
|
self.file.write(raw_data)
|