def verify_message(core, handler, tns, msgDict):
'''
verify signature and return decrypted message if valid
if not, None will be returned
'''
if handler.get_argument('msg_signature', ''):
valid = oauth(*(tns + [core.config.token, msgDict.get('Encrypt', '')]))
else:
valid = oauth(*(tns + [core.config.token]))
if valid:
if core.config.encryptMode == SAFE:
msgDict = decrypt_msg(*(tns + [core.config, msgDict]))
else:
msgDict = {}
return msgDict
def verify_echostr(core, handler):
'''
verify signature and return echostr if valid
if not, None will be returned
'''
tns = get_tns(core, handler)
echostr = handler.get_argument('echostr', '')
if handler.get_argument('msg_signature', ''):
if oauth(*(tns + [echostr, core.config.token])):
msgDict = decrypt_msg(*(tns + [core.config, {'echostr': echostr}]))
echostr = msgDict.get('echostr')
else:
valid = oauth(*(tns + [core.config.token]))
if not valid:
echostr = None
return echostr
def verify_echostr(core, handler):
'''
verify signature and return echostr if valid
if not, None will be returned
'''
echostr = handler.get_argument('echostr', '')
if handler.get_argument('msg_signature', ''):
tns = [
handler.get_argument(key, '')
for key in ('timestamp', 'nonce', 'msg_signature')
]
if oauth(*(tns + [echostr, core.config.token])):
echostr = decrypt_msg(*(tns + [core.config, {'echostr': echostr}]))
echostr = echostr.get('echostr')
else:
valid = oauth(*([
handler.get_argument(key, '')
for key in ('timestamp', 'nonce', 'signature')
] + [core.config.token]))
if not valid: echostr = None
return echostr