def addon_deleted_file(auth, target, error_type='BLAME_PROVIDER', **kwargs):
"""Shows a nice error message to users when they try to view a deleted file
"""
# Allow file_node to be passed in so other views can delegate to this one
file_node = kwargs.get('file_node') or TrashedFileNode.load(
kwargs.get('trashed_id'))
deleted_by, deleted_on, deleted = None, None, None
if isinstance(file_node, TrashedFileNode):
deleted_by = file_node.deleted_by
deleted_by_guid = file_node.deleted_by._id if deleted_by else None
deleted_on = file_node.deleted_on.strftime('%c') + ' UTC'
deleted = deleted_on
if getattr(file_node, 'suspended', False):
error_type = 'FILE_SUSPENDED'
elif file_node.deleted_by is None or (auth.private_key
and auth.private_link.anonymous):
if file_node.provider == 'osfstorage':
error_type = 'FILE_GONE_ACTOR_UNKNOWN'
else:
error_type = 'BLAME_PROVIDER'
else:
error_type = 'FILE_GONE'
else:
error_type = 'DONT_KNOW'
file_path = kwargs.get('path', file_node.path)
file_name = file_node.name or os.path.basename(file_path)
file_name_title, file_name_ext = os.path.splitext(file_name)
provider_full = settings.ADDONS_AVAILABLE_DICT[
file_node.provider].full_name
try:
file_guid = file_node.get_guid()._id
except AttributeError:
file_guid = None
format_params = dict(file_name=markupsafe.escape(file_name),
deleted_by=markupsafe.escape(
getattr(deleted_by, 'fullname', None)),
deleted_on=markupsafe.escape(deleted_on),
provider=markupsafe.escape(provider_full),
deleted=markupsafe.escape(deleted))
if deleted_by:
format_params['deleted_by_guid'] = markupsafe.escape(deleted_by_guid)
error_msg = ERROR_MESSAGES[error_type].format(**format_params)
if isinstance(target, AbstractNode):
error_msg += format_last_known_metadata(auth, target, file_node,
error_type)
ret = serialize_node(target, auth, primary=True)
ret.update(rubeus.collect_addon_assets(target))
ret.update({
'error':
error_msg,
'urls': {
'render': None,
'sharejs': None,
'mfr': get_mfr_url(target, file_node.provider),
'profile_image': get_profile_image_url(auth.user, 25),
'files': target.web_url_for('collect_file_trees'),
},
'extra': {},
'size':
9966699, # Prevent file from being edited, just in case
'sharejs_uuid':
None,
'file_name':
file_name,
'file_path':
file_path,
'file_name_title':
file_name_title,
'file_name_ext':
file_name_ext,
'target_deleted':
getattr(target, 'is_deleted', False),
'version_id':
None,
'file_guid':
file_guid,
'file_id':
file_node._id,
'provider':
file_node.provider,
'materialized_path':
file_node.materialized_path or file_path,
'private':
getattr(target.get_addon(file_node.provider), 'is_private', False),
'file_tags':
list(
file_node.tags.filter(system=False).values_list(
'name', flat=True)) if not file_node._state.adding else
[], # Only access ManyRelatedManager if saved
'allow_comments':
file_node.provider in settings.ADDONS_COMMENTABLE,
})
else:
# TODO - serialize deleted metadata for future types of deleted file targets
ret = {'error': error_msg}
return ret, http_status.HTTP_410_GONE
def addon_deleted_file(auth, target, error_type='BLAME_PROVIDER', **kwargs):
"""Shows a nice error message to users when they try to view a deleted file
"""
# Allow file_node to be passed in so other views can delegate to this one
file_node = kwargs.get('file_node') or TrashedFileNode.load(kwargs.get('trashed_id'))
deleted_by, deleted_on = None, None
if isinstance(file_node, TrashedFileNode):
deleted_by = file_node.deleted_by
deleted_by_guid = file_node.deleted_by._id if deleted_by else None
deleted_on = file_node.deleted_on.strftime('%c') + ' UTC'
if getattr(file_node, 'suspended', False):
error_type = 'FILE_SUSPENDED'
elif file_node.deleted_by is None or (auth.private_key and auth.private_link.anonymous):
if file_node.provider == 'osfstorage':
error_type = 'FILE_GONE_ACTOR_UNKNOWN'
else:
error_type = 'BLAME_PROVIDER'
else:
error_type = 'FILE_GONE'
else:
error_type = 'DONT_KNOW'
file_path = kwargs.get('path', file_node.path)
file_name = file_node.name or os.path.basename(file_path)
file_name_title, file_name_ext = os.path.splitext(file_name)
provider_full = settings.ADDONS_AVAILABLE_DICT[file_node.provider].full_name
try:
file_guid = file_node.get_guid()._id
except AttributeError:
file_guid = None
format_params = dict(
file_name=markupsafe.escape(file_name),
deleted_by=markupsafe.escape(getattr(deleted_by, 'fullname', None)),
deleted_on=markupsafe.escape(deleted_on),
provider=markupsafe.escape(provider_full)
)
if deleted_by:
format_params['deleted_by_guid'] = markupsafe.escape(deleted_by_guid)
error_msg = ERROR_MESSAGES[error_type].format(**format_params)
if isinstance(target, AbstractNode):
error_msg += format_last_known_metadata(auth, target, file_node, error_type)
ret = serialize_node(target, auth, primary=True)
ret.update(rubeus.collect_addon_assets(target))
ret.update({
'error': error_msg,
'urls': {
'render': None,
'sharejs': None,
'mfr': get_mfr_url(target, file_node.provider),
'profile_image': get_profile_image_url(auth.user, 25),
'files': target.web_url_for('collect_file_trees'),
},
'extra': {},
'size': 9966699, # Prevent file from being edited, just in case
'sharejs_uuid': None,
'file_name': file_name,
'file_path': file_path,
'file_name_title': file_name_title,
'file_name_ext': file_name_ext,
'target_deleted': getattr(target, 'is_deleted', False),
'version_id': None,
'file_guid': file_guid,
'file_id': file_node._id,
'provider': file_node.provider,
'materialized_path': file_node.materialized_path or file_path,
'private': getattr(target.get_addon(file_node.provider), 'is_private', False),
'file_tags': list(file_node.tags.filter(system=False).values_list('name', flat=True)) if not file_node._state.adding else [], # Only access ManyRelatedManager if saved
'allow_comments': file_node.provider in settings.ADDONS_COMMENTABLE,
})
else:
# TODO - serialize deleted metadata for future types of deleted file targets
ret = {'error': error_msg}
return ret, httplib.GONE
