def serve(request, document_id, document_filename):
Document = get_document_model()
doc = get_object_or_404(Document, id=document_id)
# We want to ensure that the document filename provided in the URL matches the one associated with the considered
# document_id. If not we can't be sure that the document the user wants to access is the one corresponding to the
# <document_id, document_filename> pair.
if doc.filename != document_filename:
raise Http404('This document does not match the given filename.')
for fn in hooks.get_hooks('before_serve_document'):
result = fn(doc, request)
if isinstance(result, HttpResponse):
return result
# Send document_served signal
document_served.send(sender=Document, instance=doc, request=request)
try:
local_path = doc.file.path
except NotImplementedError:
local_path = None
if local_path:
# Use wagtail.utils.sendfile to serve the file;
# this provides support for mimetypes, if-modified-since and django-sendfile backends
if hasattr(settings, 'SENDFILE_BACKEND'):
return sendfile(request,
local_path,
attachment=True,
attachment_filename=doc.filename)
else:
# Fallback to streaming backend if user hasn't specified SENDFILE_BACKEND
return sendfile(request,
local_path,
attachment=True,
attachment_filename=doc.filename,
backend=sendfile_streaming_backend.sendfile)
else:
# We are using a storage backend which does not expose filesystem paths
# (e.g. storages.backends.s3boto.S3BotoStorage).
# Fall back on pre-sendfile behaviour of reading the file content and serving it
# as a StreamingHttpResponse
wrapper = FileWrapper(doc.file)
response = StreamingHttpResponse(
wrapper, content_type='application/octet-stream')
response[
'Content-Disposition'] = 'attachment; filename=%s' % doc.filename
# FIXME: storage backends are not guaranteed to implement 'size'
response['Content-Length'] = doc.file.size
return response
def test_count(self):
fake_file = ContentFile(b("Example document"))
fake_file.name = 'test.txt'
document = Document.objects.create(title="Test document",
file=fake_file)
counter = DownloadCount.objects.create(file=document)
assert counter.count is 0
document_served.send(sender=Document, instance=document)
counter.refresh_from_db()
assert counter.count is 1
def serve(request, document_id, document_filename):
Document = get_document_model()
doc = get_object_or_404(Document, id=document_id)
# Send document_served signal
document_served.send(sender=Document, instance=doc, request=request)
try:
local_path = doc.file.path
except NotImplementedError:
local_path = None
if local_path:
# Use wagtail.utils.sendfile to serve the file;
# this provides support for mimetypes, if-modified-since and django-sendfile backends
if hasattr(settings, 'SENDFILE_BACKEND'):
return sendfile(request,
local_path,
attachment=True,
attachment_filename=doc.filename)
else:
# Fallback to streaming backend if user hasn't specified SENDFILE_BACKEND
return sendfile(request,
local_path,
attachment=True,
attachment_filename=doc.filename,
backend=sendfile_streaming_backend.sendfile)
else:
# We are using a storage backend which does not expose filesystem paths
# (e.g. storages.backends.s3boto.S3BotoStorage).
# Fall back on pre-sendfile behaviour of reading the file content and serving it
# as a StreamingHttpResponse
wrapper = FileWrapper(doc.file)
response = StreamingHttpResponse(
wrapper, content_type='application/octet-stream')
try:
response[
'Content-Disposition'] = 'attachment; filename=%s' % doc.filename
except BadHeaderError:
# Unicode filenames can fail on Django <1.8, Python 2 due to
# https://code.djangoproject.com/ticket/20889 - try with an ASCIIfied version of the name
response[
'Content-Disposition'] = 'attachment; filename=%s' % unidecode(
doc.filename)
# FIXME: storage backends are not guaranteed to implement 'size'
response['Content-Length'] = doc.file.size
return response
def serve(request, document_id, document_filename):
doc = get_object_or_404(Document, id=document_id)
# Send document_served signal
document_served.send(sender=Document, instance=doc, request=request)
if hasattr(settings, 'SENDFILE_BACKEND'):
return sendfile(request, doc.file.path, attachment=True, attachment_filename=doc.filename)
else:
# Fallback to streaming backend if user hasn't specified SENDFILE_BACKEND
return sendfile(request, doc.file.path, attachment=True, attachment_filename=doc.filename, backend=sendfile_streaming_backend.sendfile)
def document_serve(request, document_id, document_filename):
doc = get_object_or_404(Document, id=document_id)
wrapper = FileWrapper(doc.file)
response = StreamingHttpResponse(wrapper, content_type='application/pdf')
response['Content-Length'] = doc.file.size
# Send document_served signal
document_served.send(sender=doc, request=request)
return response
def serve(request, document_id, document_filename):
Document = get_document_model()
doc = get_object_or_404(Document, id=document_id)
# Send document_served signal
document_served.send(sender=Document, instance=doc, request=request)
try:
local_path = doc.file.path
except NotImplementedError:
local_path = None
if local_path:
# Use wagtail.utils.sendfile to serve the file;
# this provides support for mimetypes, if-modified-since and django-sendfile backends
if hasattr(settings, 'SENDFILE_BACKEND'):
return sendfile(request, local_path, attachment=True, attachment_filename=doc.filename)
else:
# Fallback to streaming backend if user hasn't specified SENDFILE_BACKEND
return sendfile(
request,
local_path,
attachment=True,
attachment_filename=doc.filename,
backend=sendfile_streaming_backend.sendfile
)
else:
# We are using a storage backend which does not expose filesystem paths
# (e.g. storages.backends.s3boto.S3BotoStorage).
# Fall back on pre-sendfile behaviour of reading the file content and serving it
# as a StreamingHttpResponse
wrapper = FileWrapper(doc.file)
response = StreamingHttpResponse(wrapper, content_type='application/octet-stream')
try:
response['Content-Disposition'] = 'attachment; filename=%s' % doc.filename
except BadHeaderError:
# Unicode filenames can fail on Django <1.8, Python 2 due to
# https://code.djangoproject.com/ticket/20889 - try with an ASCIIfied version of the name
response['Content-Disposition'] = 'attachment; filename=%s' % unidecode(doc.filename)
# FIXME: storage backends are not guaranteed to implement 'size'
response['Content-Length'] = doc.file.size
return response
def serve(request, document_id, document_filename):
doc = get_object_or_404(Document, id=document_id)
wrapper = FileWrapper(doc.file)
response = HttpResponse(wrapper, content_type="application/octet-stream")
# TODO: strip out weird characters like semicolons from the filename
# (there doesn't seem to be an official way of escaping them)
response["Content-Disposition"] = "attachment; filename=%s" % doc.filename
response["Content-Length"] = doc.file.size
# Send document_served signal
document_served.send(sender=doc, request=request)
return response
def serve(request, document_id, document_filename):
doc = get_object_or_404(Document, id=document_id)
wrapper = FileWrapper(doc.file)
response = HttpResponse(wrapper, content_type='application/octet-stream')
# TODO: strip out weird characters like semicolons from the filename
# (there doesn't seem to be an official way of escaping them)
response['Content-Disposition'] = 'attachment; filename=%s' % doc.filename
response['Content-Length'] = doc.file.size
# Send document_served signal
document_served.send(sender=doc, request=request)
return response
def serve(request, document_id, document_filename):
doc = get_object_or_404(Document, id=document_id)
wrapper = FileWrapper(doc.file)
response = StreamingHttpResponse(wrapper, content_type='application/octet-stream')
try:
response['Content-Disposition'] = 'attachment; filename=%s' % doc.filename
except BadHeaderError:
# Unicode filenames can fail on Django <1.8, Python 2 due to
# https://code.djangoproject.com/ticket/20889 - try with an ASCIIfied version of the name
response['Content-Disposition'] = 'attachment; filename=%s' % unidecode(doc.filename)
response['Content-Length'] = doc.file.size
# Send document_served signal
document_served.send(sender=doc, request=request)
return response
def serve(request, document_id, document_filename):
doc = get_object_or_404(Document, id=document_id)
# Send document_served signal
document_served.send(sender=Document, instance=doc, request=request)
if hasattr(settings, 'SENDFILE_BACKEND'):
return sendfile(request,
doc.file.path,
attachment=True,
attachment_filename=doc.filename)
else:
# Fallback to streaming backend if user hasn't specified SENDFILE_BACKEND
return sendfile(request,
doc.file.path,
attachment=True,
attachment_filename=doc.filename,
backend=sendfile_streaming_backend.sendfile)
def serve(request, document_id, document_filename):
doc = get_object_or_404(Document, id=document_id)
wrapper = FileWrapper(doc.file)
response = HttpResponse(wrapper, content_type=mimetypes.guess_type(doc.filename)[0])
# Make PDFs open in the browser where possible rather than save
if doc.file_extension == 'pdf':
response['Content-Disposition'] = 'filename=%s' % doc.filename
else:
# TODO: strip out weird characters like semicolons from the filename
# (there doesn't seem to be an official way of escaping them)
response['Content-Disposition'] = 'attachment; filename=%s' % doc.filename
response['Content-Length'] = doc.file.size
# Send document_served signal
document_served.send(sender=doc, request=request)
return response
def serve(request, document_id, document_filename):
doc = get_object_or_404(Document, id=document_id)
wrapper = FileWrapper(doc.file)
response = StreamingHttpResponse(wrapper,
content_type='application/octet-stream')
try:
response[
'Content-Disposition'] = 'attachment; filename=%s' % doc.filename
except BadHeaderError:
# Unicode filenames can fail on Django <1.8, Python 2 due to
# https://code.djangoproject.com/ticket/20889 - try with an ASCIIfied version of the name
response[
'Content-Disposition'] = 'attachment; filename=%s' % unidecode(
doc.filename)
response['Content-Length'] = doc.file.size
# Send document_served signal
document_served.send(sender=Document, instance=doc, request=request)
return response
