70 lines
2.4 KiB
Python
70 lines
2.4 KiB
Python
|
import os
|
||
|
|
import sha
|
||
|
|
from django.core.files.uploadedfile import UploadedFile
|
||
|
|
from django.http import HttpResponse, HttpResponseServerError
|
||
|
|
from django.utils import simplejson
|
||
|
|
from uploadhandler import QuotaUploadHandler
|
||
|
|
|
||
|
|
def file_upload_view(request):
|
||
|
|
"""
|
||
|
|
Check that a file upload can be updated into the POST dictionary without
|
||
|
|
going pear-shaped.
|
||
|
|
"""
|
||
|
|
form_data = request.POST.copy()
|
||
|
|
form_data.update(request.FILES)
|
||
|
|
if isinstance(form_data.get('file_field'), UploadedFile) and isinstance(form_data['name'], unicode):
|
||
|
|
# If a file is posted, the dummy client should only post the file name,
|
||
|
|
# not the full path.
|
||
|
|
if os.path.dirname(form_data['file_field'].file_name) != '':
|
||
|
|
return HttpResponseServerError()
|
||
|
|
return HttpResponse('')
|
||
|
|
else:
|
||
|
|
return HttpResponseServerError()
|
||
|
|
|
||
|
|
def file_upload_view_verify(request):
|
||
|
|
"""
|
||
|
|
Use the sha digest hash to verify the uploaded contents.
|
||
|
|
"""
|
||
|
|
form_data = request.POST.copy()
|
||
|
|
form_data.update(request.FILES)
|
||
|
|
|
||
|
|
# Check to see if unicode names worked out.
|
||
|
|
if not request.FILES['file_unicode'].file_name.endswith(u'test_\u4e2d\u6587_Orl\xe9ans.jpg'):
|
||
|
|
return HttpResponseServerError()
|
||
|
|
|
||
|
|
for key, value in form_data.items():
|
||
|
|
if key.endswith('_hash'):
|
||
|
|
continue
|
||
|
|
if key + '_hash' not in form_data:
|
||
|
|
continue
|
||
|
|
submitted_hash = form_data[key + '_hash']
|
||
|
|
if isinstance(value, UploadedFile):
|
||
|
|
new_hash = sha.new(value.read()).hexdigest()
|
||
|
|
else:
|
||
|
|
new_hash = sha.new(value).hexdigest()
|
||
|
|
if new_hash != submitted_hash:
|
||
|
|
return HttpResponseServerError()
|
||
|
|
|
||
|
|
return HttpResponse('')
|
||
|
|
|
||
|
|
def file_upload_echo(request):
|
||
|
|
"""
|
||
|
|
Simple view to echo back info about uploaded files for tests.
|
||
|
|
"""
|
||
|
|
r = dict([(k, f.file_name) for k, f in request.FILES.items()])
|
||
|
|
return HttpResponse(simplejson.dumps(r))
|
||
|
|
|
||
|
|
def file_upload_quota(request):
|
||
|
|
"""
|
||
|
|
Dynamically add in an upload handler.
|
||
|
|
"""
|
||
|
|
request.upload_handlers.insert(0, QuotaUploadHandler())
|
||
|
|
return file_upload_echo(request)
|
||
|
|
|
||
|
|
def file_upload_quota_broken(request):
|
||
|
|
"""
|
||
|
|
You can't change handlers after reading FILES; this view shouldn't work.
|
||
|
|
"""
|
||
|
|
response = file_upload_echo(request)
|
||
|
|
request.upload_handlers.insert(0, QuotaUploadHandler())
|
||
|
|
return response
|