def process_request(self):
encoding = self.request.encoding or 'utf-8'
payload = self.loads(self.request.body.decode(encoding))
if isinstance(payload, dict):
# Store current request id, or None if request is a notification
self.request_id = payload.get('id')
return self.process_single_request(payload)
elif isinstance(payload, (list, tuple)):
batch_result = JSONRPCBatchResult()
for single_payload in payload:
try:
try:
request_id = single_payload.get('id')
except AttributeError:
request_id = None
raise RPCInvalidRequest(
'Single RPC call payload must be a struct')
result = self.process_single_request(single_payload)
# As stated in documentation:
# "A Response object SHOULD exist for each Request object, except that there SHOULD NOT be any
# Response objects for notifications."
if request_id:
batch_result.results.append(
self.json_success_response(result,
override_id=request_id))
except AuthenticationFailed as e:
raise e
except RPCException as e:
logger.warning(
'RPC Exception raised in a JSON-RPC batch handling: {}'
.format(e),
exc_info=settings.MODERNRPC_LOG_EXCEPTIONS)
batch_result.results.append(
self.json_error_response(e, override_id=request_id))
except Exception as e:
logger.warning(
'Exception raised in a JSON-RPC batch handling: {}'.
format(e),
exc_info=settings.MODERNRPC_LOG_EXCEPTIONS)
rpc_exception = RPCInternalError(str(e))
batch_result.results.append(
self.json_error_response(rpc_exception,
override_id=request_id))
return batch_result
else:
raise RPCInvalidRequest('Bad JSON-RPC payload: {}'.format(
str(payload)))
def process_request(self):
encoding = self.request.encoding or 'utf-8'
payload = self.loads(self.request.body.decode(encoding))
if isinstance(payload, dict):
# Store current request id, or None if request is a notification
self.request_id = payload.get('id')
return self.process_single_request(payload)
elif isinstance(payload, (list, tuple)):
batch_result = JSONRPCBatchResult()
for single_payload in payload:
try:
try:
request_id = single_payload.get('id')
except AttributeError:
request_id = None
raise RPCInvalidRequest()
result = self.process_single_request(single_payload)
if request_id:
# As stated in documentation:
# "A Response object SHOULD exist for each Request object, except that there SHOULD NOT be any
# Response objects for notifications."
batch_result.results.append(
self.json_success_response(result,
override_id=request_id))
except RPCException as e:
batch_result.results.append(
self.json_error_response(e, override_id=request_id))
except Exception as e:
rpc_exception = RPCInternalError(str(e))
batch_result.results.append(
self.json_error_response(rpc_exception,
override_id=request_id))
return batch_result
else:
raise RPCInvalidRequest()
def process_single_request(self, payload):
if 'jsonrpc' not in payload:
raise RPCInvalidRequest('Missing parameter "jsonrpc"')
elif 'method' not in payload:
raise RPCInvalidRequest('Missing parameter "method"')
if payload['jsonrpc'] != '2.0':
raise RPCInvalidRequest(
'The attribute "jsonrpc" must contain "2.0"')
method_name = payload['method']
params = payload.get('params')
args = params if isinstance(params, (list, tuple)) else []
kwargs = params if isinstance(params, dict) else {}
return self.execute_procedure(method_name, args=args, kwargs=kwargs)
def process_request(self):
encoding = self.request.encoding or 'utf-8'
data = self.request.body.decode(encoding)
params, method_name = self.loads(data)
if method_name is None:
raise RPCInvalidRequest('Missing methodName')
return self.execute_procedure(method_name, args=params)
def loads(self, str_data):
try:
try:
# Python 3
return xmlrpc_client.loads(str_data,
use_builtin_types=settings.
MODERNRPC_XMLRPC_USE_BUILTIN_TYPES)
except TypeError:
# Python 2
return xmlrpc_client.loads(
str_data,
use_datetime=settings.MODERNRPC_XMLRPC_USE_BUILTIN_TYPES)
except xml.parsers.expat.ExpatError as e:
raise RPCParseError(e)
except xmlrpc_client.ResponseError:
raise RPCInvalidRequest('Bad XML-RPC payload')
except Exception as e: # pragma: no cover
raise RPCInvalidRequest(e)
def can_handle(self):
# Get the content-type header from incoming request. Method differs depending on current Django version
try:
# Django >= 1.10
content_type = self.request.content_type
except AttributeError:
# Django up to 1.9
content_type = self.request.META['CONTENT_TYPE']
if not content_type:
# We don't accept a request with missing Content-Type request
raise RPCInvalidRequest('Missing header: Content-Type')
return content_type.lower() in self.valid_content_types()
def process_single_request(self, payload):
if 'jsonrpc' not in payload:
raise RPCInvalidRequest('Missing parameter "jsonrpc"')
elif 'method' not in payload:
raise RPCInvalidRequest('Missing parameter "method"')
if payload['jsonrpc'] != '2.0':
raise RPCInvalidRequest(
'The attribute "jsonrpc" must contains "2.0"')
params = payload.get('params')
if isinstance(params, (list, tuple)):
rpc_request = RPCRequest(payload['method'], args=params)
elif isinstance(params, dict):
rpc_request = RPCRequest(payload['method'], kwargs=params)
else:
rpc_request = RPCRequest(payload['method'])
return rpc_request.execute(self)