144 lines
4.3 KiB
Python
144 lines
4.3 KiB
Python
import hashlib
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import os
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from django.core.files.uploadedfile import UploadedFile
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from django.http import HttpResponse, HttpResponseServerError, JsonResponse
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from .models import FileModel
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from .tests import UNICODE_FILENAME, UPLOAD_TO
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from .uploadhandler import ErroringUploadHandler, QuotaUploadHandler
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def file_upload_view(request):
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"""
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A file upload can be updated into the POST dictionary.
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"""
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form_data = request.POST.copy()
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form_data.update(request.FILES)
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if isinstance(form_data.get('file_field'), UploadedFile) and isinstance(form_data['name'], str):
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# If a file is posted, the dummy client should only post the file name,
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# not the full path.
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if os.path.dirname(form_data['file_field'].name) != '':
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return HttpResponseServerError()
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return HttpResponse()
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else:
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return HttpResponseServerError()
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def file_upload_view_verify(request):
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"""
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Use the sha digest hash to verify the uploaded contents.
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"""
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form_data = request.POST.copy()
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form_data.update(request.FILES)
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for key, value in form_data.items():
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if key.endswith('_hash'):
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continue
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if key + '_hash' not in form_data:
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continue
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submitted_hash = form_data[key + '_hash']
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if isinstance(value, UploadedFile):
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new_hash = hashlib.sha1(value.read()).hexdigest()
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else:
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new_hash = hashlib.sha1(value.encode()).hexdigest()
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if new_hash != submitted_hash:
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return HttpResponseServerError()
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# Adding large file to the database should succeed
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largefile = request.FILES['file_field2']
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obj = FileModel()
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obj.testfile.save(largefile.name, largefile)
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return HttpResponse()
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def file_upload_unicode_name(request):
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# Check to see if Unicode name came through properly.
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if not request.FILES['file_unicode'].name.endswith(UNICODE_FILENAME):
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return HttpResponseServerError()
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# Check to make sure the exotic characters are preserved even
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# through file save.
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uni_named_file = request.FILES['file_unicode']
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FileModel.objects.create(testfile=uni_named_file)
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full_name = '%s/%s' % (UPLOAD_TO, uni_named_file.name)
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return HttpResponse() if os.path.exists(full_name) else HttpResponseServerError()
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def file_upload_echo(request):
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"""
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Simple view to echo back info about uploaded files for tests.
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"""
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r = {k: f.name for k, f in request.FILES.items()}
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return JsonResponse(r)
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def file_upload_echo_content(request):
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"""
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Simple view to echo back the content of uploaded files for tests.
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"""
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def read_and_close(f):
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with f:
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return f.read().decode()
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r = {k: read_and_close(f) for k, f in request.FILES.items()}
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return JsonResponse(r)
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def file_upload_quota(request):
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"""
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Dynamically add in an upload handler.
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"""
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request.upload_handlers.insert(0, QuotaUploadHandler())
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return file_upload_echo(request)
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def file_upload_quota_broken(request):
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"""
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You can't change handlers after reading FILES; this view shouldn't work.
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"""
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response = file_upload_echo(request)
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request.upload_handlers.insert(0, QuotaUploadHandler())
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return response
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def file_upload_getlist_count(request):
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"""
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Check the .getlist() function to ensure we receive the correct number of files.
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"""
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file_counts = {}
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for key in request.FILES:
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file_counts[key] = len(request.FILES.getlist(key))
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return JsonResponse(file_counts)
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def file_upload_errors(request):
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request.upload_handlers.insert(0, ErroringUploadHandler())
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return file_upload_echo(request)
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def file_upload_filename_case_view(request):
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"""
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Check adding the file to the database will preserve the filename case.
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"""
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file = request.FILES['file_field']
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obj = FileModel()
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obj.testfile.save(file.name, file)
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return HttpResponse('%d' % obj.pk)
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def file_upload_content_type_extra(request):
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"""
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Simple view to echo back extra content-type parameters.
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"""
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params = {}
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for file_name, uploadedfile in request.FILES.items():
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params[file_name] = {k: v.decode() for k, v in uploadedfile.content_type_extra.items()}
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return JsonResponse(params)
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def file_upload_fd_closing(request, access):
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if access == 't':
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request.FILES # Trigger file parsing.
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return HttpResponse()
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