def post(self, request, format=None):
""" Create new link. """
data = request.data
capture_job = CaptureJob(
human=request.data.get('human', False),
submitted_url=request.data.get('url', ''),
created_by=request.user
)
if settings.ENABLE_BATCH_LINKS:
# Batch is set directly on the request object by the LinkBatch api,
# to prevent abuse of this feature by those POSTing directly to this route.
if getattr(request, 'batch', None):
capture_job.link_batch = LinkBatch.objects.get(id=request.batch)
capture_job.save()
# Set target folder, in order of preference:
# - 'folder' key in data
# - parent folder, if posting to /folders/:parent_id/archives
# - user's personal folder
try:
folder = self.get_folder_from_request(request) or request.parent or request.user.root_folder
except ValidationError as e:
raise_invalid_capture_job(capture_job, e.detail)
# Disallow creation of links in top-level sponsored folder
if folder.is_sponsored_root_folder:
error = "You can't make links directly in your Sponsored Links folder. Select a folder belonging to a sponsor."
raise_invalid_capture_job(capture_job, error)
# Make sure a limited user has links left to create
if not folder.organization and not folder.sponsored_by:
if not request.user.link_creation_allowed():
if request.user.nonpaying:
raise_invalid_capture_job(capture_job, "You've already reached your limit.")
error = "Perma.cc cannot presently make additional Perma Links on your behalf. Visit your subscription settings page for more information."
raise_invalid_capture_job(capture_job, error)
else:
registrar = folder.sponsored_by if folder.sponsored_by else folder.organization.registrar
msg = None
if folder.read_only:
registrar_users = [user.email for user in registrar.active_registrar_users()]
msg = f"Your registrar has made this folder read-only. For assistance, contact: {', '.join(registrar_users)}."
if not registrar.link_creation_allowed():
error = 'Perma.cc cannot presently make links on behalf of {}. '.format(registrar.name)
if request.user.registrar:
contact = 'Visit your settings for subscription information.'
else:
registrar_users = [user.email for user in registrar.active_registrar_users()]
contact = 'For assistance with your subscription, contact: {}.'.format(", ".join(registrar_users))
msg = error + contact
if msg:
raise_invalid_capture_job(capture_job, msg)
serializer = self.serializer_class(data=data, context={'request': request})
if serializer.is_valid():
with transaction.atomic():
# Technique from https://github.com/harvard-lil/capstone/blob/0f7fb80f26e753e36e0c7a6a199b8fdccdd318be/capstone/capapi/serializers.py#L121
#
# Fetch the current user data here inside a transaction, using select_for_update
# to lock the row so we don't collide with any simultaneous requests
user = request.user.__class__.objects.select_for_update().get(pk=request.user.pk)
# If this is a Personal Link, and if the user only has bonus links left, decrement bonus links
bonus_link = False
if not folder.organization and not folder.sponsored_by:
links_remaining, _ , bonus_links = user.get_links_remaining()
if bonus_links and not links_remaining:
# (this works because it's part of the same transaction with the select_for_update --
# we don't have to use the same object)
request.user.bonus_links = bonus_links - 1
request.user.save(update_fields=['bonus_links'])
bonus_link = True
link = serializer.save(created_by=request.user, bonus_link=bonus_link)
# put link in folder and handle Org settings based on folder
if folder.organization and folder.organization.default_to_private:
link.is_private = True
link.save()
link.move_to_folder_for_user(folder, request.user) # also sets link.organization
# handle uploaded file
uploaded_file = request.data.get('file')
if uploaded_file:
link.write_uploaded_file(uploaded_file)
# handle submitted url
else:
# create primary capture placeholder
Capture(
link=link,
role='primary',
status='pending',
record_type='response',
url=link.submitted_url,
).save()
# create screenshot placeholder
Capture(
link=link,
role='screenshot',
status='pending',
record_type='resource',
url="file:///%s/cap.png" % link.guid,
content_type='image/png',
).save()
# kick off capture tasks -- no need for guid since it'll work through the queue
capture_job.status = 'pending'
capture_job.link = link
capture_job.save(update_fields=['status', 'link'])
run_task(run_next_capture.s())
return Response(serializer.data, status=status.HTTP_201_CREATED)
raise_invalid_capture_job(capture_job, serializer.errors)
def post(self, request, format=None):
""" Create new link. """
data = request.data
capture_job = CaptureJob(human=request.data.get('human', False),
submitted_url=request.data.get('url', ''),
created_by=request.user)
if settings.ENABLE_BATCH_LINKS:
# Batch is set directly on the request object by the LinkBatch api,
# to prevent abuse of this feature by those POSTing directly to this route.
if getattr(request, 'batch', None):
capture_job.link_batch = LinkBatch.objects.get(
id=request.batch)
capture_job.save()
# Set target folder, in order of preference:
# - 'folder' key in data
# - parent folder, if posting to /folders/:parent_id/archives
# - user's personal folder
try:
folder = self.get_folder_from_request(
request) or request.parent or request.user.root_folder
except ValidationError as e:
raise_invalid_capture_job(capture_job, e.detail)
# Make sure a limited user has links left to create
if not folder.organization:
if not request.user.link_creation_allowed():
if request.user.nonpaying:
raise_invalid_capture_job(
capture_job, "You've already reached your limit.")
error = "Perma.cc cannot presently make additional Perma Links on your behalf. Visit your subscription settings page for more information."
raise_invalid_capture_job(capture_job, error)
else:
registrar = folder.organization.registrar
if not registrar.link_creation_allowed():
error = 'Perma.cc cannot presently make links on behalf of {}. '.format(
registrar.name)
if request.user.registrar:
contact = 'Visit your settings for subscription information.'
else:
registrar_users = [
user.email
for user in registrar.active_registrar_users()
]
contact = 'For assistance with your subscription, contact: {}.'.format(
", ".join(registrar_users))
raise_invalid_capture_job(capture_job, error + contact)
serializer = self.serializer_class(data=data,
context={'request': request})
if serializer.is_valid():
link = serializer.save(created_by=request.user)
# put link in folder and handle Org settings based on folder
if folder.organization and folder.organization.default_to_private:
link.is_private = True
link.save()
link.move_to_folder_for_user(
folder, request.user) # also sets link.organization
# handle uploaded file
uploaded_file = request.data.get('file')
if uploaded_file:
link.write_uploaded_file(uploaded_file)
link.warc_size = default_storage.size(link.warc_storage_file())
link.save()
# handle submitted url
else:
# create primary capture placeholder
Capture(
link=link,
role='primary',
status='pending',
record_type='response',
url=link.submitted_url,
).save()
# create screenshot placeholder
Capture(
link=link,
role='screenshot',
status='pending',
record_type='resource',
url="file:///%s/cap.png" % link.guid,
content_type='image/png',
).save()
# kick off capture tasks -- no need for guid since it'll work through the queue
capture_job.status = 'pending'
capture_job.link = link
capture_job.save(update_fields=['status', 'link'])
run_task(run_next_capture.s())
return Response(serializer.data, status=status.HTTP_201_CREATED)
raise_invalid_capture_job(capture_job, serializer.errors)
def post(self, request, format=None):
""" Create new link. """
data = request.data
capture_job = CaptureJob(
human=request.data.get('human', False),
submitted_url=request.data.get('url', ''),
created_by=request.user
)
if settings.ENABLE_BATCH_LINKS:
# Batch is set directly on the request object by the LinkBatch api,
# to prevent abuse of this feature by those POSTing directly to this route.
if getattr(request, 'batch', None):
capture_job.link_batch = LinkBatch.objects.get(id=request.batch)
capture_job.save()
# Set target folder, in order of preference:
# - 'folder' key in data
# - parent folder, if posting to /folders/:parent_id/archives
# - user's personal folder
try:
folder = self.get_folder_from_request(request) or request.parent or request.user.root_folder
except ValidationError as e:
raise_invalid_capture_job(capture_job, e.detail)
# Make sure a limited user has links left to create
if not folder.organization:
if not request.user.link_creation_allowed():
if request.user.nonpaying:
raise_invalid_capture_job(capture_job, "You've already reached your limit.")
error = "Perma.cc cannot presently make additional Perma Links on your behalf. Visit your subscription settings page for more information."
raise_invalid_capture_job(capture_job, error)
else:
registrar = folder.organization.registrar
if not registrar.link_creation_allowed():
error = 'Perma.cc cannot presently make links on behalf of {}. '.format(registrar.name)
if request.user.registrar:
contact = 'Visit your settings for subscription information.'
else:
registrar_users = [user.email for user in registrar.active_registrar_users()]
contact = 'For assistance with your subscription, contact: {}.'.format(", ".join(registrar_users))
raise_invalid_capture_job(capture_job, error + contact)
serializer = self.serializer_class(data=data, context={'request': request})
if serializer.is_valid():
link = serializer.save(created_by=request.user)
# put link in folder and handle Org settings based on folder
if folder.organization and folder.organization.default_to_private:
link.is_private = True
link.save()
link.move_to_folder_for_user(folder, request.user) # also sets link.organization
# handle uploaded file
uploaded_file = request.data.get('file')
if uploaded_file:
link.write_uploaded_file(uploaded_file)
# handle submitted url
else:
# create primary capture placeholder
Capture(
link=link,
role='primary',
status='pending',
record_type='response',
url=link.submitted_url,
).save()
# create screenshot placeholder
Capture(
link=link,
role='screenshot',
status='pending',
record_type='resource',
url="file:///%s/cap.png" % link.guid,
content_type='image/png',
).save()
# kick off capture tasks -- no need for guid since it'll work through the queue
capture_job.status = 'pending'
capture_job.link = link
capture_job.save(update_fields=['status', 'link'])
run_task(run_next_capture.s())
return Response(serializer.data, status=status.HTTP_201_CREATED)
raise_invalid_capture_job(capture_job, serializer.errors)