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drop connection on response longer than 100 bytes that can't' be decoded

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This commit is contained in:
Jack 2016-08-09 19:53:13 -04:00
parent 871e6e6f64
commit b65570fb16
1 changed files with 7 additions and 2 deletions
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9
lbrynet/reflector/server/server.py
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@ -45,19 +45,23 @@ class ReflectorServer(Protocol):
extra_data = None
response = None
curr_pos = 0
size_of_message = len(response_msg)
while 1:
next_close_paren = response_msg.find('}', curr_pos)
if next_close_paren != -1:
curr_pos = next_close_paren + 1
try:
response = json.loads(response_msg[:curr_pos])
failed_to_decode = False
except ValueError:
pass
failed_to_decode = True
else:
extra_data = response_msg[curr_pos:]
break
else:
break
if size_of_message > 100 and failed_to_decode:
raise Exception("error decoding response")
return response, extra_data
def handle_request(self, request_dict):
@ -121,7 +125,8 @@ class ReflectorServer(Protocol):
self.transport.write(json.dumps(response_dict))
def handle_error(self, err):
pass
log.error(err.getTraceback())
self.transport.loseConnection()
class ReflectorServerFactory(ServerFactory):