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