def _extract_pagination_rules_from_token(self, limit, sorting):
"""Get pagination params."""
token = self.request.validated['querystring'].get('_token', None)
filters = []
offset = 0
if token:
error_msg = None
try:
tokeninfo = json.loads(decode64(token))
if not isinstance(tokeninfo, dict):
raise ValueError()
last_record = tokeninfo['last_record']
offset = tokeninfo['offset']
nonce = tokeninfo['nonce']
except (ValueError, KeyError, TypeError):
error_msg = '_token has invalid content'
# We don't want pagination tokens to be reused several times (#1171).
# The cache backend is used to keep track of "nonces".
if self.request.method.lower() == "delete" and error_msg is None:
registry = self.request.registry
deleted = registry.cache.delete(nonce)
if deleted is None:
error_msg = '_token was already used or has expired.'
if error_msg:
error_details = {
'location': 'querystring',
'description': error_msg
}
raise_invalid(self.request, **error_details)
filters = self._build_pagination_rules(sorting, last_record)
return filters, offset
def _extract_pagination_rules_from_token(self, limit, sorting):
"""Get pagination params."""
token = self.request.validated['querystring'].get('_token', None)
filters = []
offset = 0
if token:
error_msg = None
try:
tokeninfo = json.loads(decode64(token))
if not isinstance(tokeninfo, dict):
raise ValueError()
last_record = tokeninfo['last_record']
offset = tokeninfo['offset']
nonce = tokeninfo['nonce']
except (ValueError, KeyError, TypeError):
error_msg = '_token has invalid content'
# We don't want pagination tokens to be reused several times (#1171).
# The cache backend is used to keep track of "nonces".
if self.request.method.lower() == 'delete' and error_msg is None:
registry = self.request.registry
deleted = registry.cache.delete(nonce)
if deleted is None:
error_msg = '_token was already used or has expired.'
if error_msg:
error_details = {
'location': 'querystring',
'description': error_msg
}
raise_invalid(self.request, **error_details)
filters = self._build_pagination_rules(sorting, last_record)
return filters, offset
def _extract_pagination_rules_from_token(self, limit, sorting):
"""Get pagination params."""
queryparams = self.request.GET
token = queryparams.get("_token", None)
filters = []
offset = 0
if token:
try:
tokeninfo = json.loads(decode64(token))
if not isinstance(tokeninfo, dict):
raise ValueError()
last_record = tokeninfo["last_record"]
offset = tokeninfo["offset"]
except (ValueError, KeyError, TypeError):
error_msg = "_token has invalid content"
error_details = {"location": "querystring", "description": error_msg}
raise_invalid(self.request, **error_details)
filters = self._build_pagination_rules(sorting, last_record)
return filters, offset
def _extract_pagination_rules_from_token(self, limit, sorting):
"""Get pagination params."""
token = self.request.validated['querystring'].get('_token', None)
filters = []
offset = 0
if token:
try:
tokeninfo = json.loads(decode64(token))
if not isinstance(tokeninfo, dict):
raise ValueError()
last_record = tokeninfo['last_record']
offset = tokeninfo['offset']
except (ValueError, KeyError, TypeError):
error_msg = '_token has invalid content'
error_details = {
'location': 'querystring',
'description': error_msg
}
raise_invalid(self.request, **error_details)
filters = self._build_pagination_rules(sorting, last_record)
return filters, offset
