def _validate_request_headers(handler):
"""Validates request headers against a JSON schema.
"""
# Map request to schema.
schema = get_schema('headers', handler.request)
# Null case - escape.
if schema is None:
return
# Validate request headers.
_validate(handler, dict(handler.request.headers), schema)
def _validate_request_params(handler):
"""Validates request parameters against a JSON schema.
"""
# Map request to schema.
schema = get_schema('params', handler.request)
# Null case.
if schema is None:
if handler.request.query_arguments:
raise exceptions.SecurityError("Unexpected request url parameters.")
# Validate request parameters.
else:
_validate(handler, handler.request.query_arguments, schema)
def _validate_request_body(handler):
"""Validates request body against a JSON schema.
"""
# Map request to schema.
schema = get_schema('body', handler.request)
# Null case.
if schema is None:
if handler.request.body:
raise exceptions.SecurityError("Unexpected request body.")
# Validate request data.
else:
# ... decode request data.
data = json.loads(handler.request.body)
# ... validate request data against schema.
_validate(handler, data, schema)
# ... append valid data to request.
handler.request.data = data
